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THE BULLETIN OF ZOOLOGICAL NOMENCLATURE PURCHASED 19 APR 1350

THE INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE

VOLUME 4

Edited by FRANCIS HEMMING, C.M.G., C.B.E.

Secretary to the International Commission on Zoological Nomenclature.

LONDON :

Printed by Order of the International Commission on Zoological Nomenclature on instructions received from the Thirteenth International Congress of Zoology, Paris, 1948. and Sold on behalf of the International Commission by the International Trust for Zoological Nomenclature

at the Publications Office of the Trust 41, Queen’s Gate, London, S.W.7.

1950

(All rights reserved)

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Printed in Great Britain by Metcuim & Son, Lt., at their Press at 8, Princes St.,

Westminster, London, S.W.1.

THANKS TO U.N.E.S.C.O0.

The International Trust for Zoological Nomenclature on behalf of the International Commission on Zoological Nomenclature have great pleasure in expressing their grateful thanks to the

UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANISATION

U.N.E.S.C.O.

for the financial assistance afforded towards the cost of producing

the present volume

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INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE

A. The Officers of the Commission

Honorary Life President : Dr. Karl Jordan (United Kingdom) President : Dr. James L. Peters (U.S.A.)

Vice-President : Senhor Dr. Afranio do Amaral (Brazil) Secretary : Mr. Francis Hemming (United Kingdom)

B. The Members of the Commission

(arranged in order of precedence by reference to date of election or of most recent re-election, as prescribed by the International Congress of Zoology)

Dr. James L. Peters (U.S.A.) (President) (1st January 1944)

Senhor Dr. Afranio do Amaral (Brazil) (Vice-President) (1st January 1944) Professor Lodovico di Caporiacco (Italy) (1st January 1944)

Professor J. R. Dymond (Canada) (Ist January 1944)

Professor J. Chester Bradley (U.S.A.) (28th March 1944)

Professor Harold E. Vokes (U.S.A.) (23rd April 1944)

Dr. William Thomas Calman (United Kingdom) (1st January 1947) Professor Bela Hanko (Hungary) (lst January 1947)

Dr. Norman R. Stoll (U.S.A.) (1st January 1947)

Professor H. Boschma (Netherlands) Ist January 1947)

Dr. Karl Jordan (United Kingdom) (Honorary Life President) (27th July 1948) Senor Dr. Angel Cabrera (Argentina) (27th July 1948)

Mr. Francis Hemming (United Kingdom) (Secretary) (27th July 1948)

Dr. Joseph Pearson (Australia) (27th July 1948)

Dr. Henning Lemche (Denmark) (27th July 1948)

C. The staff of the Secretariat of the Commission

Honorary Secretary : Mr. Francis Hemming, C.M.G., C.B.E. Honorary Personal Assistant to the Secretary : Mrs. M. F. W. Hemming Honorary Archivist : Mr. Francis J. Griffin, A.L.A.

D. The staff of the International Trust for Zoological Nomenclature Honorary Secretary and Managing Director : Mr. Francis Hemming, C.M.G., C.B.E.

Honorary Registrar : Mr. A. 8. Pankhurst Publications Officer : Mrs. C. Rosner

E. The addresses of the Commission and the Trust Secretariat of the Commission : 28 Park Village East, Regent’s Park, London, N.W.1 Offices of the Trust : 41 Queen’s Gate, London, 8.W.7.

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DATE OF ENTRY INTO FORCE OF THE AMENDMENTS TO THE “REGLES DECIDED UPON BY THE THIRTEENTH INTER- NATIONAL CONGRESS OF ZOOLOGY, PARIS, JULY 1948

Note by the President of the Section on Nomenclature of the Congress

At their Final Plenary Session held on Tuesday, 27th July 1948, the Thirteenth International Congress of Zoology approved the proposals submitted by the Section on Nomenclature regarding the amendment of the Régles, the _ date on which those amendments should come into force and the action which zoologists should be recommended to take pending the entry into force of those amendments.

. The decisions so taken by the Congress included a decision that the Remon Trust for Zoological Nomenclature should be requested to publish as soon as possible in the Bulletin of Zoological Nomenclature the Official Record of the Proceedings of the International Commission on Zoological Nomenclature during its Session of Meetings held in Paris in July 1948 and that the President of the Section on Nomenclature should prefix thereto a short note explaining the arrangements that were being made for the early publication of the Régles as revised by the Paris Congress.

3. In accordance with the foregoing decision of the International Congress of Zoology, notice is hereby given as follows :—

(1) The decisions taken by the Congress in relation to the amendment of the Regles are being remitted forthwith to jurists for the preparation of a revised draft to give effect to those decisions. That draft, after being received from the jurists, will be communicated (a) to all Members and Alternate Members of the International Commission on Zoological Nomenclature who attended the Thirteenth International Congress of Zoology and (b) to those Members of the Commission who did not attend that Congress, for the purpose of enabling them to satisfy themselves that the draft prepared by the jurists gives full effect in every respect to the decisions taken by the Congress and also that the phraseology employed in the draft in relation to technical matters is of a kind that will the most readily be understood by zoologists. Any comments which Members and Alternate Commissioners may offer on the foregoing matters within a period of three calendar months of the despatch to them of the draft prepared by the jurists will be referred, for determination, to the Editorial Committee of Three established for this purpose by the Congress. Immediately decisions have been taken by the Committee of Three on any matters so raised, the revised text of the Regles, so determined, will be communicated to the International Trust for Zoological Nomenclature for immediate publication.

(2) The revised text of the Régles will formally enter into force immediately upon being published in the manner specified above, the existing text of the Regles being simultaneously repealed.

viii

(3) Zoologists are advised, during the period between the publication by the International Trust for Zoological Nomenclature of the Official Record of the Proceedings of the International Commission on Zoo- logical Nomenclature at its Session held in Paris in July 1948 and the formal entry into force of the text of the Reégles, as revised by the Con- gress, to guide themselves in their work by reference to the decisions in regard thereto recorded in the Official Record of the Proceedings of the Commission, and thus to proceed as though the revised Regles were already published and in force. Every decision relating to the Regles adopted by the Congress, on the recommendation of the Section on Nomenclature, had previously been the subject of a recommendation by the Commission, the Official Record. of the Proceedings of which thus contain a full record of every decision taken by the Congress in this matter.

BY ORDER OF THE THIRTEENTH INTERNATIONAL CONGRESS OF ZOOLOGY, PARIS, JULY, 1948

FRANCIS HEMMING President of the Section on Nomenclature,

Thirteenth International Congress of Zoology, Paris, July 1948.

Tth January 1950.

INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE

Commissioners and Alternate Commissioners in attendance during the Thirteenth International Congress of Zoology

Mr. Francis Hemming (United Kingdom) (Secretary) (Acting President) Senor E. Beltran (Mexico) vice Senor Angel Cabrera (Argentina) Professor H. Boschma (Netherlands)

Professor J. Chester Bradley (U.S.A.)

Professor Lodovico di Caporiacco (Italy)

Dr. Edward Hindle (United Kingdom) wice President Karl Jordon (United Kingdom)

Professor Arturo Ricardo Jorge (Portugal) vice Senhor A. do Amaral (Brazil) Professor Harold Kirby (U.S.A.) vice Dr. Norman R. Stoll (U.S.A.)

Dr. Henning Lemche (Denmark) vice Professor J. R. Dymond (Canada) Professor Kamel Mansour (Egypt) vice Professor Bela Hanko (Hungary) Professor Z. P. Metcalf (U.S.A.) vice Vice-President James L. Peters (U.S.A.) Mr. N. D. Riley (United Kingdom) vice Dr. W. T. Calman (United Kingdom) Professor P. Rode (France) | Professor R. Spairck (Denmark) vice Dr. Th. Mortensen (Denmark) Professor V. van Straelen (Belgium) vice Professor R. Richter (Germany)

Professor Robert L. Usinger (U.S.A.) vice Professor Harold E. Vokes (U.S.A.)

Secretariat in Paris Secretary to the Commission : Mr. Francis Hemming, C.M.G., C.B.E.

Personal Assistant to the Secretary : Mrs. M. F. W. Hemming Acting Documents Officer : Miss J. H. Shorey

Attendance at Meetings of the International Commission on Zoological Nomenclature by Members of the Thirteenth International Congress of Zoology, other than Members and Alternate Members of the Commission

M. J. Aubert (Switzerland)

M. Belloc (France)

M. H. Berthet (France)

Professor Pierre Bonnet (France)

Dr. E. A. Chapin (U.S.A.) ~

M. André Chavan (France)

Professor Ernest N. Cory (U.S.A.)

M. Georges Deflandre (France)

Mme. Marthe Deflandre-Rigaud (France) Mr. J. Delacour (U.S.A.)

Mr. Cyril F. dos Passos (U.S.A.)

Dr. Ellsworth C. Dougherty (U.S.A.) Professor E. Fischer-Piette (France) Professor A. Ghigi (Italy)

M. H. Gisin (Switzerland)

Dr. H. A. F. Gohar (Egypt)

Dr. Isabel Gordon (United Kingdom) Professor EK. Raymond Hall (U.S.A.) Professor W. P. Hayes (U.S.A.)

M. Denis Jacques (France)

Professor R. Jeannel (France)

Dr. P. Jespersen (Denmark)

Mr. T. C. 8. Morrison-Scott (United Kingdom) Dr. H. H. J. Nesbitt (Canada)

Dr. §. di Toledo Piza (Brazil)

Mr. C. D. Radford (United Kingdom) M. G. Ranson (France)

Miss Louise Russell (U.S.A.)

M. J. Segal (U.S.S.R.)

Dr. Ethelwynn Trewavas (United Kingdom) Signor Antonio Valle (Italy)

Mr. R. Winckworth (United Kingdom)

CLASS AND ORDINAL NAMES USED IN THE OFFICIAL

RECORD OF PROCEEDINGS OF THE INTERNATIONAL

COMMISSION ON ZOOLOGICAL NOMENCLATURE AT ITS MEETINGS HELD IN PARIS IN JULY, 1948.

Note by the Secretary to the Commission.

The Regles Internationales de la Nomenclature Zoologique do not provide rules for the nomenclature of groups above the family level. In consequence, individual workers are free not only to recognise whatever Classes and Orders appear to them to be appropriate from the taxonomic standpoint but also to apply to those categories whichever names they may choose.

2. The question whether it would be possible to stabilise the nomenclature of groups above the family level was considered by the International Commission on Zoological Nomenclature at a joint meeting with the Section on Nomenclature held in Paris on Monday 26th July 1948. At this meeting, the International Commission adopted (Paris Session 13th Meeting, Conclusion 28) a resolution recommending that the Secretary to the Commission should be invited to study the foregoing question in conjunction with interested specialists, and to submit a comprehensive Report thereon for consideration by the Commission at the next (XIVth) Meeting of the Congress, with a view to the submission by the Commission of proposals for the insertion in the Régles of comprehensive pro- visions dealing with this subject. This recommendation was approved by the Section on Nomenclature (Paris Session, 5th Meeting, Conclusion 3) and (with the other recommendations, submitted by the Section on Nomenclature) by the Congress at its Plenary Session held on Tuesday, 27th July 1948.

3. While therefore an effort will be made, before the Meeting of the Com- mission and the Congress in Copenhagen in 1953, to prepare, for the considera- tion of zoologists, a scheme for the stabilising of the nomenclature of Classes, Orders and other groups above the family level, the names to be used for such groups remains at present a matter of individual choice. In these circumstances, it would be inappropriate for the International Commission itself in any given case to express a preference for any particular name. On the other hand, it is necessary for purposes of reference that an indication should be included in the Official Record of the Procedings of the Commission regarding the position in the Animal Kingdom of the various taxonomic mits on the nomenclature of which decisions were taken by the Commission. Accordingly, on this occasion, as on that which arose in connection with the preparation of the Official Record of Proceedings of the Commission at its Session of Meetings held in Lisbon in 1935, the responsibility for the choice of the names used to denote Classes and Orders rests exclusively with myself as Secretary to the Commission. Thus, the use, in the Official Proceedings of the Commission in Paris, of one name in preference to another does not imply any view by the Commission as a body on the relative merits of that name in relation to some other name also in use by workers to denote the category in question.

4. The inclusion of references to the higher taxonomic categories to which a given genus or species is referable is naturally not essential to specialists who

xii

are familiar with the relationships of the groups which form their special study, though the insertion of such references may often be a matter of convenience for ready reference, especially in the numerous cases where a worker is engaged in the study of a part only of some large group. The main object of inserting such references is of quite a different order, being to facilitate the work of editors of recording journals (such as the Zoological Record) and thus to ensure the inclusion, in such journals, of references to decisions taken by the Inter- national Commission in regard to particular generic and specific names. In selecting the names of higher taxonomic units to be inserted in the Official Record of Proceedings of the Commission, I have therefore set myself on the one hand to achieve a reasonable degree of uniformity in presentation and on the other hand to make use of names which are well known and will be readily understood. Accordingly, wherever there exists a substantial degree of agree- ment among specialists regarding the higher classification of the groups with which they are concerned (though not necessarily in regard to the names to be applied to the categories so recognised), I have inserted both the name of the Class and that of the Order to which the genus or species in question is referred. Where, however, as in many groups of Invertebrates, the present state of know- ledge is insuflicient to enable specialists to reach any general agreement in regard to Ordinal classification, I have cited only the name of the Class to which the genus or species concerned is considered to belong.

FRANCIS HEMMING,

Secretary to the International Commission on Zoological Nomenclature.

Secretariat of the Commission :

28 Park Village Kast, Regent’s Park, Lonpon, N.W.1, England.

26th January 1950.

xiii

CERTIFICATION OF THE TEXT OF THE OFFICIAL RECORD OF PROCEEDINGS OF THE INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE AT ITS SESSION OF MEETINGS HELD IN PARIS IN JULY, 1948,

Note by the Secretary to the Commission,

At the Fourteenth of their Meetings held in Paris in July, 1948!, which was held jointly with the Sixth Meeting of the Section on Nomenclature, the Inter- national Commission on Zoological Nomenclature gave special consideration to the arrangements which should be made for the preparation, by the Secretary, of the Minutes of the Meeting held by the Commission during that Session and for the verification, by the Commissioners and Alternate Commissioners con- cerned, of the text so prepared.

2. The Commission decided (Paris Session, 14th Meeting, Conclusion 65) to deal with this matter as follows : (1) in view of the inevitably great length of the Minutes of these Meetings, the draft prepared by the Secretary should be printed as soon as it had been prepared : (2) as soon as proofs had been received from the printer, a copy should be sent for comment and approval to each Commissioner and Alternate Commissioner who attended the Paris Session, air-mail being used for all destinations outside the United Kingdom ; (3) a period of one calendar month was to be reserved as the period within which comments or suggestions by the Commissioners or Alternate Commissioners should be returnable to the Secretariat of the Commission ; (4) at the conclusion of the foregoing period, the Secretary was to make any changes or corrections in the draft Minutes which might be found to be necessary in the light of the comments received from the Commissioners and Alternate Commissioners and, having done so, should forthwith transmit the text, so amended, to the Inter- national Trust for Zoological Nomenclature (the corporation responsible for the financial operations required by the Commission) for publication in the Bulletin of Zoological Nomenclature ”’ at the earliest possible date.

3. Volume 3 of the Bulletin ’’ containing the text of the documents con- sidered by the Commission in Paris is necessary for a proper understanding of the Minutes of the Meetings of the Commission, those Minutes naturally contain- ing frequent references to the documents which had then been under considera- tion. Arrangements were therefore made for the supply by the printer of a sufficient number of proofs of volume 3 to enable a copy to be circulated to each Commissioner and Alternate Commissioner who had attended the Paris Session. These proofs were despatched at the end of November 1949 to all the Commis- sioners and Alternate Commissioners concerned, with the exception of Commis- sioner P. Rode (France) whose death had occurred not long after the close of the Paris Session. Copies addressed to all destinations outside the United Kingdom were despatched by airmail. The proofs of the Minutes of the Paris Meeting were received from the printer on 5th December 1949 and on the following day (6th December 1949) one copy was despatched to each of the Commissioners and Alternate Commissioners concerned, with a covering note referring to the

1 See pages 642-644 of the present volume.

xiv

decisions taken in Paris and asking for a reply not later than 6th January 1950, the last day of the prescribed period that had been agreed upon. Airmail was used for all destinations outside the United Kingdom.

4. Before the end of the prescribed period, replies were received from the majority of the Commissioners and Alternate Commissioners concerned. At the end of that period, cables were despatched to those Commissioners and Alternate Commissioners from whom no replies had by that time been received. Within about a fortnight of the end of the prescribed period replies had been received from all the Commissioners and Alternate Commissioners concerned with the exception of one Alternate Commissioner whom it must be assumed was either ill or away from home at the time.

5. The communications so received from Commissioners and Alternate Commissioners raised points which called for action of two kinds : (1) the letters received contained a large number of notes on minor drafting matters, printer’s errors and the like ; (2) in addition, some of the letters drew attention to certain obseurities or apparent inconsistencies in the drafting adopted for particular items in the Minutes. On the receipt of the letters concerned, all the corrections: notified under (1) above were incorporated in the Minutes. As regards points arising under (2) above, letters were sent by myself as Secretary to the Commis- sion to each of the Commissioners concerned, explaining the manner in which it was proposed to meet the points which he had raised. All the explanations so offered were accepted as satisfactory by the Commissioners and Alternate Commissioners concerned and the changes so agreed upon were thereupon incorporated in the text.

6. Subject to the comments and suggestions referred to above, each of the Commissioners from whom replies were received approved the draft Minutes as representing a true and accurate record of the proceedings of the International Commission during its Session of Meetings held in Paris in July 1948. Thus, the Minutes of the Meetings held by the International Commission in Paris in July 1948, as amended in certain respects in the manner indicated in the previous paragraph, have now been approved by the following fourteen (14) Commissioners and Alternate Commissioners out of the total of sixteen (16) Commissioners and Alternate Commissioners who were present at the Paris Session: H. Boschma (Netherlands) ; J. Chester Bradley (U.S.A.) ; L. di Caporiacco (Italy); Francis Hemming (United Kingdom); E. Hindle (United Kingdom) ; A. R. Jorge (Portugal) ; Harold Kirby (U.S.A.) ; Henning Lemche (Denmark); K. Mansour (Egypt); Z. P. Metcalf (U.S.A.); N. D. Riley (United Kingdom) ; R. Sparek (Denmark); V. van Straelen (Belgium) ; Robert L. Usinger (U.S.A.). Of the two (2) other Commissioners who were present at the Paris Session, Commissioner Paul Rode died after the Congress and before the circulation of the draft Minutes ; while no reply has been received from Alternate Commissioner E. Beltran (Mexico).

7. I accordingly certify that, in accordance with the procedure agreed upon in Paris, the text of the Official Record of the Proceedings of the International Commission on Zoological’ Nomenclature at its Session of Meetings held in Paris in July 1948 as now published in Volume 4 of the

Xv

Bulletin of Zoological Nomenclature *’ has been unanimously approved and adopted by the Commissioners and Alternate Commissioners who were present at that Session as constituting a true and accurate record of the decisions taken thereat.

FRANCIS HEMMING,

Secretary to the International Commission on Zoological Nomenclature.

Secretariat of the Commission : 28 Park Village’ Kast, Regent’s Park, London, N.W.1, England.

Ist February 1950.

7

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Se = ae i asia eit

xvii

TABLE OF CONTENTS

THE OFFICIAL RECORD OF PROCEEDINGS OF THE

INTERNATIONAL COMMISSION ON ZOOLOGICAL

NOMENCLATURE AT THEIR SESSION HELD IN PARIS IN JULY 1948

CONCLUSIONS of the First Meeting of the International Com- mission on Zoological Nomenclature held at the Sorbonne in the Amphitheatre Loius-Liard on Wednesday, 21st July, 1948 at 1430 hours.

Page 1. Absence of the President and Vice-President and assumption of the Acting Presidency by the Secretary. . =e He ig 1 2. Apologies for absence received from Commissioner Paul Rode (France) .. “He ny Aa ii es ee ty 2 3. Commissioners present at the Paris Session a se 2 4. Resignation of Commissioner Th. Mortensen (Denmark) on account of ill-health. . tt i Am oe be ae 2 5. Commissioners absent from Paris and unable to attend Session thereat “ji he Pe <i ke a: is 3 3 6. Appointment of certain members of the Congress to be Alternate Members of the Commission for the duration of the Paris Session 6 Ay ys fi = - 4 Aa 3 7. Arrangements for meetings during the Paris Session oe fe t 8. Second Meeting of the Commission during its Paris Session: date and time appointed ay ha 46 7 a if 5 CONCLUSIONS of the Second Meeting of the International Com- mission on Zoological Nomenclature held at the Sorbonne in the Amphithéatre Louis-Liard on Wednesday, 2ist July, 1948 at 1440 hours 1. Official languages at the Paris Session fi 5) at os 6 2. Procedure to be followed at the Paris Session: suspension of the By-Laws and other matters ai a mn S - 7 3. Deaths of Commissioners since 1935 .. ay: ee ‘s 3% 8

VoL. 4 8B

xviii

Second Meeting (continued) 4. Election in 1936 of Commissioner Francis Hemming (United Page Kingdom) to be Secretary to the Commission in succession to Commissioner C. W. Stiles (U.S.A.) at, 18 a ee 9

5. Creation in 1939 of Offices of Vice-President and Assistant Secretary

to the Commission and election thereto of Commissioners

C. W. Stiles (U.S.A.) and James L. Peters (U.S.A.) .. ‘3 9 6. Constitution of the Class 1946 in place of the Class 1937 .. os 10

7. Assumption by President Jordan of extraordinary powers on behalf of the Commission during the war 1939-1945 .. 6 10

8. Constitution under the Emergency Powers Declaration, 1939 of the Classes 1949 and 1952 in place of the Classes 1940 and

1943 o ; bs fe a aa HE ie 13

9. Constitution of the Class 1955 in place of the Class 1946 .. fs 13 10. Losses in the membership of the Commission since 1935 through

resignations =. 36 a es i a x 15

11. Election of Commissioners since 1935 a 5 a 4 15

12. Re-election of the President and the Secretary as from the beginning of 1941 .. Ke ie ve os Ea hy 16

13. Re-election of the Assistant Secretary as from the beginning of 1944 17

14. Election in 1945 of Assistant Sey James L. Peters ne 8. i

to be Vice-President -.. ii 15. Kstablishment of the Class 1958 in place of the Class 1949 & 17 16. German and Japanese representation on the Commission . . aie 18 17. Nomination of Members of the Class 1958 .. 4 iis be 19

18. Presidency of the Commission: request by Commissioner Karl Jordan (United Kingdom) to be excused from nomination as President for a further term si ts nt me i 19

19. Nomination of Vice-President James L. Peters Ss S.A. ) to be President .. a8 ie if : 22

20. Nomination of Commissioner Francis Hemming (United Kingdom) to be Secretary to the Commission for a further term ny 23

xix

Second Meeting (continued) 21. Nomination of Commissioner Afranio do Amazal (Brazil) to be Page Vice-President .. oy ite a i se a 23

22. Abolition of the Office of Assistant Secretary as hitherto consti- tuted, and its reconstitution as a post in the Secretariat of the Commission die if v P x Sie 25 24

23. Co-operation between the Commission and specialist groups : report

on progress achieved since 1935 Mi re As we 25 24. Opinions and Declarations Ls ieee since the nite’ of the

Congress held at Lisbon in 1935 . whe 27 25. Programme of the Commission for its Paris Session Me a 27

26. Report by the Secretary on the work of the Secretariat since the meeting of the Congress held at Lisbon in 1935 Ka am 28

27. Thanks of the Commission to the Right Hon. Walter Elliot for accepting the Chairmanship of the International Trust for

Zoological Nomenclature oe ve Ee it us 31

29. Thanks of the Commission to the Smithsonian Institution, aaa

17 a ON Ra 2 Jer Me ne a : 31 29. Thanks of the Commission for donations received .. ae iy 32 30. Thanks of the Commission to UNESCO ays or Re. ie 32

31. Preliminary report on the work of the Commission during its first and second meetings to be submitted orally to the Section on Nomenclature as soon as possible ah ik Be iM 32

32. Preliminary reports on the work of the Commission at its third and subsequent meetings to be submitted to the Section on Nomenclature as soon as practicable after the close of those meetings .. ty re be bas ot ve 34

33. Arrangements for the BEeERER of the Report to be submitted

to the Congress... : a ae 35 34. Composition of the Commission and the method of nominating its

members... a, 8 as ne bw Bi Re 35 35. Place of meeting of the Commission during its Paris Session .. 36

36. Third and Fourth Meetings of the Commission during its Paris Session : dates and times appointed .. we oe ae 36

Vou. 4 B?

XX

CONCLUSIONS of the Third Meeting of the International Com- mission on Zoological Nomenclature held at the Sorbonne in the Amphithéatre Louis-Liard on Wednesday, 21st July, 1948 at 2030 hours.

1. Size of the Commission and nature of its composition

bo

Method to be followed in the nomination and election of members of the Commission

3. Arrangements to be made for Commissioners periodically to submit themselves to re-election ..

4. Grant of leave of absence to, and removal of, Commissioners in certain circumstances

5. Reform of the rules of procedure of the Commission

6. Reform of the voting procedure of the Commission

~I

Plenary Powers Resolution : proposed amendment and incorpora- tion in the Régles

8. Date of entry into force of the reforms agreed upon in regard to the procedure of the Commission

9. Changes in procedure designed to accelerate the work of the Com- mission

10. Announcement to be made to the zoological public regarding the arrangements made by the Commission for speeding up its work rz ise Ss

11. Revision of the By-Laws of the Commission

12. Fourth Meeting of the Commission during its Paris Session: date and time noted

CONCLUSIONS of the Fourth Meeting of the International Com- mission on Zoological Nomenclature held at the Sorbonne in the Amphithéatre Louis-Liard on Thursday, 22nd July, 1948 at 0900 hours.

1. Election of Professor E. Beltran (Mexico) to be an Alternate Mem- ber of the Commission for the duration-of the Paris Session . .

2. Telegrams despatched by the Acting President’ on behalf of the Commission 3 oe

37 40 44

46 49

50 51 57 57 59 59

61

62

63

Fourth Meeting (continued)

3.

10.

ila

12.

13.

14.

15.

Meaning of the expression ‘‘ nomenclature binaire ”’ as used in the

Regles

Consolidation and amendment of the Reégles: prelimimary con- sideration ie

Status of new names published in a form or in a manner contra- vening Articles 14-16, 18 and 20

Article 25, Proviso (c) (2): the expression definite bibliographic reference” .. : a Ly <

Article 25, Proviso (¢) (1): the expression which differentiate . .”

Article 25, Proviso (¢) (3): the expression definite unambiguous designation of the type species”; Articles 29 and 30, con- sequential amendments ag ae a bs is

Status of the provisions in the former Appendice, now a Schedule, to the Reégles

Grammatical inconsistencies in the Régles

Article 31: need for the removal of confusion between taxonomy and nomenclature and for the substitution of direct provisions for the existing provisions by reference

Substantive French text of the Régles : arrangements to be made for completion and promulgation. .

< >

Article 25, Proviso (a): meaning of the expression indication

in relation to generic names

Status of names proposed for forms of less than subspecific rank : preliminary consideration

Fifth Meeting of the Commission during its Paris Session: time appointed

CONCLUSIONS of the Fifth Meeting of the International Com-~

mission on Zoological Nomenclature held at the Sorbonne in | Ae aha pan Louis-Liard on Thursday, 22nd July, at ours.

la

Status of names proposed for forms of less than subspecific rank : further consideration

68

70

76

78

81

83

xxii

Fifth Meeting (continued) 2. Article 2: insertion of reference to the category subgenus

3. Articles 35 and 36 (problem of nope pans ed preliminary

consideration

4. Sixth Meeting of the Commission during its Paris Session: time

appointed

CONCLUSIONS of the Sixth Meeting of the International Com-

10.

LR

12.

mission on Zoological Nomenclature held at the Sorbonne in the Amphitheatre Louis-Liard on Thursday, 22nd July, 1948 at 1700 hours.

Articles 35 and 36 aia of prey ipeaRn further consideration

Need for publicity for new names and for the selections of type species of genera

Definition of the expressions “‘ specific name and specific trivial name

Definition of the expressions “‘ subspecific name and “‘ subspecific trivial name

Specific trivial names always to be published in connection with generic names : ns be

Co-ordination of the Laws of Priority and Homonymy

Application to generic names of the provisions in third igi of Article 35 relating to specific trivial names . ; :

Thanks of the Commission to Mrs. M. F. W. Hemming

Codification of the interpretations of the Régles given in Opinions rendered by the Commission: future procedure in regard to

Interpretations of provisions in the Régles in Opinions rendered by the Commission : proposals for incorporation of, in the Régles to be considered item by item ate

Article 4 and Opinion 141 (family names)

Article 8 and Opinion 183 aaa names to be versio" in the nominative singular)

Page 96

97

97

107

125

127

128

129

129

130

131

132

137

138

139

XNili

Sixth Meeting (continued)

13. Article 14, first paragraph, and eae 64 (single letters not is ca Page as trivial names) .. aba

14. Status of specific trivial names when preceded by serial letters or serial numerals at the time of their original publication pe 140

15. Article 19 and Opinions 26, 27, 29, 36, 41, 60, 61, and 63 (emendation of names) .. " A Ap ee xu a pie 3

16. Article 25 and Opinion 2 (status of a name based on a hypothetical form) by: ae rhe si fe Ae iW SA

17. Article 25 and Opinion 49 (status of a specific name pe con- ditionally) .. oe an sa as 2 she ay ee

18. Article 25 and Opinion 4 (status of a name which, prior to being first validly published with an indication,” was in currency as a manuscript name) ys mt 1 Ye Se ie LED

19. Article 25 and Opinions 87, 59, and 191 (various aspects of the problem of publication) .. I ia Fee. etl Set a

20. Articles 30 and 35 and Opinion 148 (status of a generic name published as an invalid emendation of an earlier name and type species of genus so named) ‘a A. Hf Pe! La

21. Article 25, Proviso (a) and Opinion 1 (meaning of the expression “* indication ”’) ef, i - vs ih i sah, 148

22. Article 25, Proviso (a) and Opinion 43 (status of a new specific name published jointly with a new generic name and vice versa) .. 149

23. Article 25, Proviso (a) and Opinion 52 (significance to be attached to the citation of a type locality in an original description) .. 150

24. Article 25, Proviso (b) and Opinion 5 (status of a name originally published before 1758, when republished after 1757) .. the 160

25. Article 26 and Opinion 3 (relative status of works published in the year 1758) .. #t vy tye is e ok oojae Oe

26. Articles 25 and 31 and Opinion 88 (status of a specific name pub- lished for a composite nominal species). . ay Re ao de

27. Article 30, Rule (a) and Opinion 7 (type species of a genus the name of which was published with the formula “‘ n.g., n.sp.”’) aD |

XXiv

Sixth Meeting (continued) Article 30, Rule (c) and Opinion 47 (type species of a genus for which Page

28.

29.

30,

31.

32.

33.

34,

35.

36.

37.

38.

39.

40.

only one nominal species is cited by the original author)

Article 30, Rule (d) and Opinion 18 (type species of a genus an included nominal species of which has a synonym possessing a tautonymous trivial name not cited in original publication) . .

Article 30, Rule (d) and Opinion 16 (type species of a genus of which an included species had a pre-1758 tautonymous univerbal specific name cited as a synonym)

Article 30, Rule (f) and Opinion 35 (type species of a substitute genus where one or more of the originally included species not cited under a binominal name) .

Article 30, Rule (g) and Opinion 35 (type species of a genus where one or more of the originally included species not cited under a binominal name)

Article 30, Rule (g) and Opinion 10 (type species of genera having identical limits) ee ( a a ay i

Article 30, Rule (g) and Opinion 62 (a nominal species eligible for selection as the type species of more than one nominal genus)

Article 30 and Opinion 164 (type species of a genus not affected by the subjective union of that genus with another genus)

Article 30, Rule (g) and Opinion 6 (special method of selecting the type species of a genus established before 1931 and with sad two included nominal species) ; ts ;

Article 30, Rule (g) and Opinion 14 (selection of a nominal species to be the type species of a genus not invalidated where the author making the selection himself misidentifies the species which he so selects)

Article 30 (all Rules) and Opinions 65 and 168 (the original author of a generic name to be assumed to have identified correctly the nominal species referred by him to the genus so named) ..

Article 30 and Opinion 46 (selection of a type species for a genus to which no nominal species was distinctly referred-—by the original author)

Article 30 and Opinion 172 (selection of the type ee of a genus in a literature-recording serial) ah

153

153

154

155

155

156

156

157

157

157

158

159

161

Sixth Meeting (continued)

41.

42.

43,

44,

45.

46.

47.

48.

49.

50.

52.

53.

5D.

Article 34 and Opinion 147 (application to generic names of provisions in third paragraph of Article 35)

Article 34 and Opinion 25 (clarification of provisions determining whether one generic name is identical with another) ..

Article 35 (definition of conditions in which one trivial name is to be regarded as identical with another) ..

Article 34 and Opinions 125 and 148 (status of emendations in relation to generic homonymy) <a ee ne

Article 34 and Opinion 148, paragraph (3): interpretation in, not to be incorporated in the Régles and to be cancelled .. se

Articles 34 and 35 and Opinion 102 (status of a generic or trivial name when a homonym of the name of a unit of sub-ordinal or higher category)

Articles 25, 34 and 35 and Opinion 145 (subsequent status of a name first published in a work rejected for nomenclatorial purposes)

Article 25 (the expression “divulgué dans une publication ”) : postponement of consideration of interpretations of, in Opimons 15 and 51 3

Repeal, either wholly or in part, for interpretative purposes, of certain Opinions renderc:| by the Commission . . ap w

Resolutions on questions relating to nomenclature embodied in

Declarations rendered by the Commission : proposed codifica- tion of

Declarations 1 and 12 (Code of Ethics)

Declaration 4 (avoidance of intemperate language in the discussion of zoological nomenclature) es

Declaration 2 (avoidance of issue of separates in advance of the publication of the paper concerned)

Declaration 6 (need for clearly indicating as new every name when first published) ws

Declaration 6 (need for avoiding the publication of a name as new on more than one occasion) .,

KXV

Page 161

162

162

163

163

164

165

165

165

166

167

167

167

168

169

xxvi

Sixth Meeting (continued)

56.

60.

61.

63.

64.

65.

66.

67.

68.

69.

70.

71.

Declarations 3 and 8 (need for giving a clear indication of date of Page

publication). . Declaration 7 (need for citation of bibliographical references)

Declaration 11 (need for indicating the systematic position of new taxonomic units) t Ae

Repeal, except for historical purposes, of Declarations so far rendered by the Commission

Miscellaneous proposals for the amendment or clarification of the Regles : first instalment to be considered item by item

Article 8: need for brevity in generic names, insertion of Recommandation regarding

Article 13.: deletion of provision permitting the use of a capital initial letter for a trivial name in certain cases . .

Article 14: need for brevity in specific and subspecific trivial names, insertion of Recommandation regarding ra

Examples cited in the Régles from works by non-binominal authors to be replaced by examples from works by binominal authors

Article 22: abbreviation of authors’ names, substitution of a revised Recommandation regarding

Articles 25, 34 and 35: apparent new names or new combinations due to errors in literature-recording serials, status of, defined

Article 25, Proviso (b) : expression principes de la nomenclature binominale,” meaning of, defined

Article 30: generic names published after 31st December, 1930, applicability to, clarified .. a Py ue os

Article 30: removal of ambiguities in, by insertion of drafting amendments

All Articles : substitution in, of the expressions ‘‘ nominal genus ”’ and “nominal species” for the expressions ‘“ genus” and species ”’ in certain cases

Article 30: elimination of the expression “Rule” from non- mandatory provisions

169

170

170

171

171

171

172

173

173

174

180

180

Sixth Meeting (continued)

72. 73.

74.

75.

76.

77.

Article 30, Rule (g): clarification of .. Article 31: clarification of

Article 35: status of emendations in relation to homonymy in the names of species and lower taxonomic categories, definition of

Terminology of type specimens, insertion in the Régles of provisions regarding

Consideration of Points (15) to (20) in Commission Paper I.C,(48)12 postponed until the Seventh Meeting of the Commission during its Paris Session

Seventh and Eighth Meetings of the Commission during its Paris Session: date and time appointed Ss si is

CONCLUSIONS of the Seventh Meeting of the International Com-

fy

mission on Zoological Nomenclature held at the Sorbonne in the Amphithéatre Louis-Liard on Thursday, 22nd July 1948 at 2030 hours.

New Article regarding terminology of type specimens : addition of a further Recommandation : wy He #8 ss

New provision : nominotypical subspecies, insertion of a provision for naming of

Neotypes (suggested recognition as a category of type specimens) : Secretary invited to prepare comprehensive Report on

New Article: misuse of the Régles in a manner calculated to give political, religious or personal offence, insertion of a provision to prevent .. ig

All Articles: adoption of drafting amendments to secure greater clarity and to eliminate unnecessary and undefined repetitive phrases :

Miscellaneous proposals for the amendment or clarification of the Régles : second instalment to be considered item by item

Article 8: a generic name treated as a noun in the nominative singular but in fact a latinised version of a noun in another language in a case other than the nominative or a number other than the singular, status of, defined

XXVii Page 181 182

182

184

188

189

190

191

191

193

194

195

195

xxviii

Seventh Meeting (continued)

8.

12.

16.

17.

18.

19.

Article 14: addition of a Recommandation urging authors to avoid giving as new trivial names words already so used in allied groups a se uk ae dy eee te eas

Article 15: to be redrafted to eliminate the existing option to link by hyphens the component parts of a trivial name consisting of a compound word

Article 15 : orthography of compound trivial names, where the first part of the compound consists of a numeral, insertion. of provisions relating to

Article 14: formation of trivial names based upon the names of persons, clarification of provisions relating to ..

Seventeen propositions submitted by Professor Pierre Bonnet (Toulouse) : position regarding, reviewed

Article 18 (nomenclature of hybrids): adoption of drafting amendments - re os :% re a

Article 25: names published either anonymously or over initials only, status of, defined

Article 25: the expression divulgué dans une publication,” definition of : ae :

Article 25: names of new taxonomic units published in abstracts in advance of the paper containing the description of the new unit, status of, defined

Article 25: generic and trivial names first published in keys, status of, defined

Article 25: date of publication of a given book or paper, criteria to be adopted for determining : $ $: se

Article 25: citation of date of publication of a name, insertion of a Recommandation regarding

Article 25: a name published on one date where the relevant description or part of it is published at a later date, priority to be accorded to, determined ..

Article 25: a trivial name published in conjunction with a generic name which does not comply with the requirements of Proviso (c), status of, determined

Page 196

197

198

Seventh Meeting (continued)

22. Schedule replacing the former Appendice to the Regles : addition to, of a Section on the transliteration of words from. the Cyrillic to the Latin alphabet

23. Eighth Meeting of the Commission during its Paris Session: date and time noted 4 os M6 ifs

CONCLUSIONS of the Eighth Meeting of the International Com- mission on Zoological Nomenclature held at the Sorbonne in the Amphithéatre Louis-Liard on Friday, 23rd July 1948 at 0900 hours. (Meeting held concurrently with the First Meeting of the Section on Nomenclature)

1. Procedure to be adopted at the present (eighth) Meeting ..

2. Emendation to Psolos of the spelling of the generic name Psodos Treitschke, 1827 (Class Insecta, Order Lepidoptera): com- munication by M. H. Berthet, and decision thereon wg

3. Extension, and incorporation in the Reégles, of the provisions relating to the Commission’s plenary powers: communication by Dr. H. Lemche, and decision thereon

4. Incorporation in the Régles of a provision establishing a Law of Prescription limiting the Law of Priority : communication by Dr. H. Lemche, and decision thereon

5. Nomenclature of Protozoan and other parasites of Man, need for stabilisation of : communication by Alternate Commissioner KE. Beltran, and decision thereon. .

6. . “‘ Official List of Generic Names in Zoology”: addition to regula- tions relating to, of a provision designed to eliminate taxonomic considerations

7. Ninth and Tenth Meetings of the Commission nag its Paris Session : date and time appointed 2h

CONCLUSIONS of the Ninth Meeting of the International Com- mission on Zoological Nomenclature held at the Sorbonne in the Amphithéatre Louis-Liard on Friday, 23rd July, 1948 at 2030 hours.

1. Miscellaneous proposals for the amendment or clarification of the Regles : Third instalment to be considered item by item

229

231

231

232

bo eM) or

bo (s~) I

239

XxKX

Ninth Meeting (continued)

2. Article 27: insertion of words to make it clear that this Article Page applies inter alia to names given to forms of polymorphic species bes oe ae A a es ae chy, yaaa

3. Article 35, third paragraph (polymorphism in trivial names arising from the use of the same word in noun and adjectival form) : clarification of position regarding ae ie a | 240

4. Articles 34 and 35, third paragraph : addition of a further category 243

5. Articles 34 and 35 (words differing from one another solely by having as the accented syllable the syllable an” or “en”’): insertion of a Recommandation urging avoidance of .. .. 243

6. Article 4 (situation where the application of existing provisions leads to the establishment of identical family names in different groups) : procedure to be followed .. a .. 243

~I

Article 4 (name to be applied to a family where two or more existing families are united on taxonomic grounds) : postpone- ment of decision pending general inquiry ae as .. 244

8. Article 3: definition of the expression “‘ Latin” as there used .. 245

9. Article 4 (method to be followed in forming a family name from a given generic name): removal of ambiguities in me .. 246

10. Article 14 (agreement in gender with the generic name of a trivial name when an adjective): rules for determining gender of generic names ze 3 te e a on .. 246

11. Article 25, Proviso (ce): point of time as from which effective more precisely defined .. 3 et a ss rs .. 250

12. Appendice to the Regles : errors in Section “‘ G” to be corrected .. 250

13, Article 14: a trivial name consisting of an unchanged surname of a modern personage treated as a Latin or Latinised word, to he automatically corrected af sia i ce Auk, 20

14. Article 14: a trivial name consisting of a phonetic reproduction of initials of one or more persons to be accepted as complying with 252

15. Article 8: Recommandations attached to, to be converted into mandatory provisions... m! os ae eS Hai 5)

16. Articles 8 and 14: Recommendations condemning names suggesting a bizarre or other objectionable meaning in some language other than Latin to be inserted in * As sie ha See

XXxi

Ninth Meeting (continued) Page 17. Article 23: clarification of, in certain respects pa hee Dips

18. Article 25: a description of the work of an animal but not of the animal itself declared to constitute an indication” . . 395), 256

19. Article 25: a generic name based solely upon a figure declared to have been published with an “indication” .. ae say hy SO

20. Trivial name aegyptiellus Strand, 1909 conditionally published for a subspecies of Halictus morbillosus Kirchbaumer, 1873 : status of, determined .. ei e Ga Wea rt ys 206

21. Article 25 : the citation of the host species in an original description of parasite, significance of, defined a ee a5.) 206

22. Article 25: the citation of a geological horizon in original descrip- tion of a fossil species, significance of, defined . . ee 2) CE

23. Article 25: the expression “le plus anciennement designé defined a ay se Py Ka se a oe), Oe

24. Article 28 (relative advantages of the first reviser” and page precedence principles) : Secretary invited to prepare Report

on 257 25. Article 22: Dr. Jacot’s proposal for deletion of, rejected .. 28h ao 26. Article 23: proposal by the American Malacological Society for

deletion of, rejected chs ae xe os og 26) 208 27. Article 1 and Articles 34 and 35: co-ordination of, in relation to

the names of species transferred from the Animal Kingdom to

the Vegetable Kingdom .. a sy A, oe .. 258 28. Article 25 : authorship of nomina nuda and manuscript names when

first validly published with an indication” determined. . 259 29. Article 30 (interpretation of Rule (9) ) i ae - 1) 2e0 30. New Article: title to be given to the Régles as amended by the

present Congress Me os - a Ae ae, 200 31. New Schedule or Schedules to the Regles : addition of, for

recording decisions by the Commission on the invalidity of

books or names : ; eae) |

32. New Article: words having the terminations -idae and -inae,” restriction on use of, except for names of families and sub- families a ‘4 ¢ Ai wid 4 ce oO

a

Ninth Meeting (continued)

33.

od.

35.

36.

37.

38.

39.

40,

41.

42.

43.

Article 12 : redrafting of, to eliminate confusion between taxonomy and nomenclature

Article 7: redrafting of, to eliminate confusion between taxonomy and nomenclature

Articles 6 and 11: co-ordination of texts Articles 19 and 32: co-ordination of texts

Article 8: amendment of provision proposed in replacement of Recommandation (2) ws :

Article 36 (Recommandation adopted at Padua relative to precedence to be given to generic and subgeneric and to specific and sub- specific homonyms of the same date) : deletion of, and insertion of corresponding mandatory provisions in Articles 34 and 35

Article 36: reallocation to Articles 34 and 36 of Recommandations other than Padua Recommandation

Opinion 124: alleged subgeneric names published by Linnaeus and Fabricius, completion of decision given in

* Official List of Generic Names in Zoology”: status of names placed on, defined . .

Official List of Specific Names in Zoology”: establishment of, and status of names placed on, defined : af oh

Official List of Generic Names in Zoology : additional provision relating to

Tenth Meeting of the Commission during its Paris Session: date and time noted

266

267

CONCLUSIONS of the Tenth Meeting of the International Commission

hs

(Meeting held concurrently with the Second Meeting of the Section on Nomenclature)

Nomenclature of supergeneric groups below family level: com- munication by Professor R. Jeannel

on Zoological Nomenclature held at the Sorbonne in the Amphi- théatre Louis-Liard on Saturday, 24th July, 1948 at 0900 hours.

XXXii

Tenth Meeting (continued) Page

2. Nomenclature of families and subfamilies: Professor Robert L. Usinger’s communication to form part of material for general

inquiry ay e se ms aE sit te ae abe 3. The concepts “grade” and pseudogenus”: communication by M. Georges Deflandre . . 2 a St aA ee), hd

4. Fragments (organites and sclerites) of fossil invertebrates, new system of terminology for: communication by M. Georges Deflandre and Mme. Marthe Deflandre-Rigaud * amar

5. Clerck, 1757, Aranez svecici (status for nomenclatorial purposes of the names published in) : preliminary discussion on ais, BE

6. Report to be submitted by the Commission to the Congress on the work performed during the Paris Session e oh ul

7. Hleventh Meeting of the Commission during its Paris Session : date and time noted Ue ar he = As ee:

CONCLUSIONS of the Eleventh Meeting of the International Com- mission on Zoological Nomenclature held at the Sorbonne in the

Amphithéatre Louis-Liard on Monday, 26th July, 1948 at 0930 hours.

(Meeting held concurrently with the Third Meeting of the Section on Nomenclature)

1. Apology by the Acting President for late arrival .. vie »s 280 2. Programme for the meetings to be held during the day... ap 268

3. Election of Professor K. Mansour (Egypt) to be an Alternate Member of the Commission for the duration of the Paris Session 282

4. Withdrawal of Professor R. Spairck (Denmark) and nomination of Dr. H. Lemche (Denmark) as a aaucide Danish Member of the Commission a bd es Ee ea 282

Report to be submitted by the Commission to the Congress : detailed examination of draft proposed nt ae Sel SASS

(uy j

(a) Danish representation on the Commission and the arrange- ments proposed to be adopted in place of the system of three nine-year Classes in the membership of the Commission .. % ny ae “fe zs Se eee

(b) Proposed Official List ’’ of trivial names of species : title to be changed . . t. oe Ls # a eae 5

Van 4 ¢

XXXIV

Eleventh Meeting (continued)

10.

1d.

13.

14,

16.

17.

(c) Verification of text of revised Régles : an ad hoc Editorial Committee substituted for the Executive Committee of the Commission

Unanimous adoption by the Conimission of its Report to the Thirteenth International Congress of Zoology ..

Miscellaneous proposals for the amendment or clarification of the Regles : fourth instalment to be considered item by item

Article 32: suggested amendment to provide for the rejection of trivial names on grounds of inappropriateness in certain cases

Opinion 124 : extension to cover certain terms intermediate between generic and trivial names published by Hubner (J.)

New Article, insertion in Regles of, defining the functions of the International Commission on Zoological Nomenclature

Article 25 : status of a holotype or lectotype in relation to an inadequate original description. clarification of position regarding

Article 25: priority to be accorded to a name published in a work issued in instalments where that name is published on one date and the relevant description or part of it at a later date: supplementary decision regarding

The expressions “grade” and pseudo-genus”’: proposed recognition of, in the Régles rejected 3 “fi

New system of nomenclature for fragments of fossil invertebrates found in sedimentary rocks: proposed introduction of, rejected .

New Article, insertion in the Régles of, defining status of inter- pretations of the Regles given in Declarations rendered by the Commission in periods between meetings of the Congress

New Article, insertion in the Régles of, defining the method to be followed in amending the Régles . .

Article 35 (polymorphism in trivial names arising from the use of the same word in noun and adjectival form): addition of a further example in the Recommandation agreed to be inserted in the Régles

Page

284

287

293

293

294

294

295

295

Eleventh Meeting (continued)

18.

i>

20.

23.

24.

25.

26.

27.

29.

30.

New Article relating to the plenary powers of the Commission : drafting amendment in ors :

Neotypes (erroneous statements regarding, deletion of, from Opinion 128)

Article 8: addition to be made to Section (b) of the second of the existing Recommandations prior to its incorporation in the Regles as a mandatory provision

All Articles : addition of paragraph numbers in the case of composite Articles sie 42 -

All Articles : addition of serial numbers where there is more than one Recommandation in any given Article

All Articles: each paragraph of an Article or Recommandation to consist of a single sentence Hf Hf oy re

Article 30, Rule (e) : clarification of

Article 30: expression to be used to denote the concept of a type species of a genus .. : ie ite BS 0)

Necator Stiles, 1903 (Class Nematoda), an invalid name inadvertently placed on the Official List of Generic Names in Zoology” (in Opinion 66) : validation of, under the plenary powers. . ;

Tethys and Aplysia (Class Gastropoda): validation, under the plenary powers, of long-established use of, and matters incidental thereto ..

Venus Linnaeus, 1758 (Class Pelecypoda) : designation of type species of, under the plenary powers Fi ae he

Bulla Linnaeus, 1758 (Class Gastropoda): designation of type species of, under the plenary powers a x33 8

Twelfth Meeting of the Commission during its Paris Session : time appointed

XXXV

297

300

301

304

305

VoL. 4 G2

XXXVI

CONCLUSIONS of the Twelfth Meeting of the International Commission on Zoological Nomenclature held at the Sorbonne in the Amphi- théatre Louis-Liard on Monday, 26th July, 1948 at 1445 hours.

(Meeting held concurrently with the Fourth Meeting of the Section on Nomenclature)

1. Gryphaea Lamarck, 1801 (Class Pelecypoda), problem of type Page species of : communication by M. Gilbert Ranson Ji 306

bo

Generic names published in books dealing with classification of taxonomic units down to the genus level but no further (case of Briinnich, 1771, Zoologiae Fundamenta): status of, defined 207

3. TLonna Briinnich, 1771 (Class Gastropoda): addition of, to the * Official List of Generic Names in Zoology” .. #4 eee

4. Cercopithecus validated as a generic name as from Linnaeus, 1758 (Class Mammalia, Order Primates), and type species designated, under the plenary powers £ - + Me ee)

Timulus Miller, 1785 (Class Arachnida, Order Xiphosura) (placed on the Official List of Generic Names in Zoology by Opinion 104), a synonym of Xiphosura Briinnich, 1771: Secretary asked to Report on situation so disclosed os ne oe: ae

OU

6. Orthoceros Briinnich, 1771 : decision on, postponed, pending further consultation with palaeontologists ce ve bes oa) Ome

7. Manatus Briinnich, 1771, Rosmarus Briinnich, 1771, and Ammonia Briinnich, 1771 : Secretary asked to report on ox oie Salis

oe

Brisson, 1762, Regnum Animale (status of generic names published in): consideration of, postponed. . e oie = it alg

9. Hyaena Brisson, 1762, Lutra Brisson, 1762, and Meles Brisson, 1762 : postponement of proposal for addition to the Official List of Generic Names in Zoology,” pending decision on status of Brisson’s Regnum Animale under Proviso (6) to Article 25 314

10. Clerck, 1757, Aranei svecici (status for nomenclatorial purposes of names published in): discussion on, concluded and names validated by addition of a proviso to Article 26 of the Regles 315

1B Bilharzaa Meckel von Hemsbach, 1856, suppressed, and Schistosoma Weinland, 1858 (Class Trematoda) validated, under the plenary powers... Ri os s2 es be s<. “oho

XXXVil

Twelfth Meeting (continued)

12.

a:

14.

15.

16.

Liye

18.

19.

20.

Miscellaneous proposals for the amendment or clarification of the Regles : fifth instalment to be considered item by item

New Article on the plenary powers of the Commission : insertion in, of provision regarding use of, in relation to particular purposes

New Article on the plenary powers of the Commission : insertion in, of provisions regarding application of, to cases of doubt arising from impossibility of determining the species to which a given trivial name should apply

New Article, insertion of, relating to composition of the Com- mission.

New Article, insertion of, relating to the By-Laws of the Com- mission = Pa rae a4 3

Article 28 (relative merits of the “first reviser”’ and page precedence ”’ principles) : Report by Secretary considered and amendment of Article 28 agreed

New Article on the plenary powers: supplementary provisions relating to procedure

New Schedule, insertion of, in the Régles, to record decisions in regard to individual books or names taken by the Commission otherwise than under their plenary powers

New Schedule or Schedules, insertion of, in the Regles, containing the Official List of Generic Names in Zoology” and Official List of Specific Trivial Names in Zoology and corresponding ‘‘ Official Indexes of Rejected and Invalid Names a

Cancellation and amendment of certain Opinions already published prior to incorporation in Schedules to the Regles

Opinions 31, 68, 69, 78, 99, 129: supplementary decisions in regard to : "A ms ap at

New Article on the plenary powers, insertion in, of a drafting amendment regarding procedure to be followed when names are suppressed

Schedules to the Regles : procedure to be followed in the transfer thereto of decisions recorded in Opinions rendered by the Commission

338

339

XXXVill

Twelfth Meeting (continued)

25.

26.

27.

30.

31.

33.

34,

35.

36.

New Schedule containing the Official List of Generic Names in Zoology” ; gender of generic names in, to be specified

Revision of the Régles by the Paris Congress; arrangements to be made for early promulgation and entry into force

Miscellaneous proposals for the amendment or clarification of the Régles : sixth instalment to be considered item by item

Article 35: status of the later published of two identical trivial names where two species having that name are placed in different genera which, through the accident of undetected homonymy, bear the same generic name ; previous decision relating to, reversed :

Article 25, Proviso (a): the expression indication in relation to generic and trivial names; amplification of previous decision relating to

Article 30: species eligible for selection as the type species of a genus where no nominal species was distinctly referred to the genus by its original author, amplification of previous decision relating to

Article 30: clarification of certain ambiguities in

Article 25 : subspecific trivial names where, on being first published, preceded by a serial letter or by a serial numeral, position of, defined

Revision of the Régles by the Paris Congress: date of entry into force .. A = oS Li a Sy: ie

Article 34 and Opinion 116: generic names differing from one another only by the terminations -nus ”’ and -mus ”’, position as regards homonymy defined

Article 25: status of a name first published in a work rejected for nomenclatorial purposes, amplification of previous decision regarding .. ay se a

Article 25: status of a generic name when first published in a specific synonymy, clarification of position of ..

Article 30: question of the type species of a genus, the name of which was first published in a generic synonymy, comprehensive Report by Secretary asked for :

.

Page

341

341

342

343

345

346

346

348

348

349

350

350

351

XXXIX

Twelfth Meeting (continued) Page 38. Thirteenth Meeting of the Caeiees during its Paris Session : time appointed... ath Bs uit “id ats de oe

CONCLUSIONS of the Thirteenth Meeting of the International Com- mission on Zoological Nomenclature held at the Sorbonne in the

Amphithéatre Louis-Liard on Monday, 26th July, 1948 at 1730 hours,

(Meeting held concurrently with the Fifth Meeting) of the Section on Nomenclature)

1. Eight individual problems of nomenclature raised in Commission Paper I.C.(48)19 : pues paaHnE to, to be discussed item by item % : oe 7h -. 354

2. Opinions rendered without including an answer to all the points raised : arrangements for completion of = ie fa. 1885

3. Calliphora Robineau-Desvoidy, 1830 (Class Insecta, Order Diptera) to be added to the “‘ Official List of Generic Names in Zoology (decision completing Opinion 82) a ie $6 Be) BS

4. Mabuya Fitzinger, 1826 (Class Reptilia), amendment in the ‘* Official List of Generic Names in Zoology of entry relating to (correction of error in Opinion 92)... - re me

5. Porina Walker, 1856 (Class Insecta, Order Lepidoptera) : proposed validation of, under the Commission’s plenary powers, rejected - .. ay a mu Se za es 356

6. Flebotomus Rondani, 1840 (Class Insecta, Order Diptera) : emenda- tion to Phlebotomus under the plenary powers. . Le eo oe

7. Papilio plerippus Linnaeus, 1758 (Class Insecta, Order Lepi- doptera): determination of identity of, under the plenary pewers eg “4 sh si ae AY sis say“

8. Colymbus Linnaeus, 1758 (Class Aves), type species of : Secretary to furnish Report on, and decision to be taken thereon with minimum of further delay -_.. ap ie e “3. 361 9. Individual nomenclatorial problems involving controversial, though not necessarily difficult, issues: need for avoidance of unnecessary delays in reaching decisions regarding 863

10. Linnaean binominal system of nomenclature not available for nomenclature of monsters : names published for such purposes to have no status in zoological nomenclature ., m e800

XL

Thirteenth Meeting (continued) Page 11. Applications relating to individual problems of nomenclature :

cases published in the ‘‘ Bulletin of Zoological Nomenclature

to have priority of consideration Hi Be: a .. 9364

12. Part 5 of Volume I of the Bulletin of Zoological Nomenclature applications published in, to be considered in turn .. .. 364

13. Oken, 1815-1816, Lehrbuch der Naturgeschichte, status of new names published in, consideration postponed for additional information to be obtained ab bie x ~ oye: |

14. Geoffroy (E. L.), 1762, Hist. Ins. Env. Paris : new names published in, declared not available under the Régles oo .. 366

15. Coriza Geoffroy, 1762 (Class Insecta, Order Hemiptera) : validation of, and designation of type species of, under the plenary powers 369

16. Naucoris Geoffroy, 1762 (Class Insecta, Order Hemiptera) : question of validation of, under the plenary powers postponed for additional information to be obtained .. fi a . eee

17. Buprestidae,” a pamphlet believed to have been written by F. W. Hope and distributed in 1836: declared not sper within the meaning of Article 25. . = ue 5; | renee

18. Part 8 of Volume I of the “* Bulletin of Zoological Nomenclature ”’ : applications published in, to be considered in turn... cba

19. Koch (C.L.), 1835-1842, Deutschlands Crustaceen, Myriapoden und Arachniden : definition of species eligible for selection as type species of genera first named in .. .e of a eee

20. Diaptomus vulgaris Schmeil, 1897 (Class Crustacea, Order Cope- poda): validation, under the plenary powers, of the trivial name vulgaris ‘3 - ee ‘. = <a “re

21. The generic name Graptolithus Linnaeus, 1768, and the specific name Graptolithus scalaris Linnaeus, 1768 (Class Graptolithina, Order Graptoloidea) : suppression of, under the plenary powers .. 377

22. Monograptus (emend. of Monograpsus) Geinitz, 1852 (Class Grapto- lithina, Order Graptoloidea) : validation of, under the plenary powers Ye ve oH Py me is a a: 378

23. Retiolites Barrande, 1850 (Class Graptolithina, Order ics de validation of, under the plenary powers a 378

24. Diplodinium Schuberg, 1888 (Class scape trivia] name of type species of, determined beg * -\3 ie eote

Thirteenth Meeting (continued)

25.

26.

27.

28.

30.

31.

33.

34.

36.

37.

Aspidoproctus Newstead [April] 1901 (Class Insecta, Order Hemip- tera): addition of, to the “‘ Official List of Generic Names in Zoology ‘. pd o. R. ze b

Article 25: a specific name based upon a specimen which is un- described but which formed part of the type series of a previously described species, declared not to satisfy Proviso (a)

Diadema Gray, 1825 (Class Echinoidea): validation of, and designation of type species of, under the plenary powers

Orders and higher taxonomic units (problem of obtaining uniformity in nomenclature of): Secretary invited to prepare a compre- hensive Report on . .

Fasciola ovata Rudolphi, 1803 (Class Trematoda, Order Digenea), a composite nominal species: action by Braun when determining taxonomic identity of, declared correct under Article 31

Petalifera Gray, 1847, and eee Fischer, 1872 (Class Gastro- poda) : relative status of ~ ee . 53

Acme Hartmann, 1821, Acmea Hartmann, 1821, and Aemaea Eschscholtz, 1830 (Class Gastropoda): relationship to one another under Article 34 determined; specialists to be consulted about possible use of plenary powers

Ammonites cordatus Sowerby, 1813 (Class Cephalopoda, Order Ammonoidea) : designation of lectotype of, under the plenary powers

Actinote Hiibner [1819] (Class Insecta, Order Lapadniees) designation of type species of, under the plenary powers

Hemerobius Linnaeus, 1758, and Chrysopa Leach, 1815 (Class Insecta, Order Neuroptera) : designation of type species of, under the plenary powers ‘# ¢ ns aj

Articles 34 and 35: position of a nomen dubium in relation to generic and specific homonymy defined

Palaeaneilo Hall, 1869 (Class join baat emendation of, to Palaeoneilo under Article 19 : : ' i ie

Part 9 of Volume I of the Bulletin of Zoological Nomenclature : applications published in, to be considered in turn :

Page

385

386

387

389

392

393

395

397

399

400

XLii

Thirteenth Meeting (continued)

38.

39.

40.

41.

43,

44,

45,

46.

47.

48.

49.

Article 5: position when the type genus of a family is united with another genus having an older name and the combined genus is treated as belonging to the same family as a third genus, having an older name than either of the other genera, problem of, to be dealt with in Report to be prepared by Secretary

Pallas (P. 8.), Zoographia rosso-asiatica : dates of publication of the several volumes of, determined .. se, is i.

Clavellarius Olivier, 1789 (Class Insecta, Order Hymenoptera) : suppression of, under the plenary powers (decision supple- mentary to Opinion 144) .. is

Bombus Latreille, 1802 (Class Insecta, Order Hymenoptera) : validation of, under the plenary powers, in so far as necessary

Ceratina Latreille [1802-1803], and Diodontus Curtis, 1834 (Class Insecta, Order Hymenoptera, application for use of plenary powers for: consideration postponed for additional informa- tion to be obtained

Formica Linnaeus, 1758, and Camponotus Mayr, 1861 (Class Insecta, Order Hymenoptera): addition of, to the Official List of Generic Names in Zoology be a y os

Gorytes Latreille [Sept., 1804], ~ Harpactus Shuckard, 1837, Macropis Panzer [1806-1809] (Class Insecta, Order Hymen- optera), applications for use of plenary powers for : considera- tion postponed for additional information to be obtained

Megachile Latreille, 1802 (Class Insecta, Order epee, toy type species of, determined a :

Seven generic names in the Order Hymenoptera (Class Insecta), applications for use of plenary powers for: consideration postponed for additional information to be obtained ..

Two species of the Order Hymenoptera (Class Insecta), proposed use of the plenary powers to conserve the trivial names in common use for: consideration postponed for additional information to be obtained

Erycina Lamarck, 1805 (Class Pelecypoda): designation of type species of, under the plenary powers en - “a

Gesner, 1758, Tractatus physicus de petrificatis : suppression of, for nomenclatorial purposes, under the plenary powers

Page

403

404

407

408

410

411

413

416

417

418

XLiil

Thirteenth Meeting (continued) Page

50. Lnodes Heyden, 1826 (Class Arachnida, Order Acarina): to be rejected as a homonym of Leiodes Latreille, 1796 (Class

Insecta, Order Coleoptera) 420 51. Report to the Congress on the work performed during the Paris

Session : two supplementary points submitted to the Section

on Nomenclature * oa si ie a Sint ea 52. Fourteenth Meeting of the Commission during its Paris Session :

time appointed... no ¥ * y; om .. 424

CONCLUSIONS of the Fourteenth Meeting of the International Com- mission on Zoological Nomenclature held at the Sorbonne in the Amphithéatre Louis-Liard on Monday, 26th July, 1948 at 2030 hours.

(Meeting held concurrently with the Sixth Meeting of the Section on Nomenclature)

1. Part 10 of Volume I of the Bulletin of Zoological Nomenclature : applications published in, to be considered in turn... .. 425

wo

Raphistoma Rafinesque, 1815, and Belone Oken, 1815 (Class Pisces, Order Synentognathi) suppressed, and Raphistoma Hall, 1847 (Class Gastropoda) and Belone Cuvier, 1817 (Class Pisces, Order Synentognathi) validated, under the plenary powers 426

3. Teleosteus Volger, 1860, and the trivial name primaevus Volger, 1860 (as published in the binominal combination Teleosteus primaevus) : suppression of, under the plenary powers an eS

4. The trivial name mecfarlandi (as published in the binominal combination Chromodoris mcfarlandt) (Class Gastropoda, Order Opisthobranchia): emendation of, to macfarlandi under Article 19 .. Pet ft a - ma .. 4380

or

The species commonly treated as having been named Piroplasma annulatum by Dschunkowsky & Luhs in 1904 (Class Sporozoa, Order Coccidiida), identity of: consideration postponed for further information to be obtained regarding date of publication 431

6. Tremataspis Schmidt, 1866 (a genus based upon a misidentified type species) (Class Cephalaspidomorphi, Order Osteostraci) : desig-

nation of type species of, under the plenary powers .. 433

XLiv

Fourteenth Meeting (continued) Page

7. Anomia pecten Linnaeus, 1758 : identification of, under the plenary powers, with the species of the Class Brachiopoda (Order Protremata) commonly known as Strophomena pecten

(Linnaeus, 1758) .. oF 5 28 als oP -.) en

8. Chinchilla Bennett, 1829 (Class Mammalia, Order Rodentia), question of type species of: consideration postponed for additional information to be obtained .. i oe .. 438

9. Aturoidea, a term applied by Vredenberg (1925) to a section of the genus Nautilus Linnaeus, 1758 (Class Cephalopoda, Order Nautiloidea): declared to be of subgeneric status as from date of being so published as ne gs : re

10. Bradycellus Erichson, 1837 (Class Insecta, Order Coleoptera), proposed use of the plenary powers for: consideration postponed for additional information to be obtained .. .. 443

11. Carabus Linnaeus, 1758 (Class Insecta, Order Coleoptera) : designation of type species of, under the plenary powers .. 445

12. Harpalus Latreille [1802-1803] and Ophonus Stephens, 1827, Lebia Latreille [1802-1803], Tachys Stephens, 1828, and Trechus Schellenberg, 1806 (Class Insecta, Order Coleoptera), applica- tion for the use of the plenary powers for: consideration postponed for additional information to be obtained .. .. 446

13. Part 11 of Volume I of the Bulletin of Zoological Nomenclature : applications published in, to be considered in turn... oe

14. Dinornis novaezealandiae Owen, 1842 (Class Aves, Order Dinorni- formes) : determination of lectotype of, under Article 31 = .. = 448

15. Martin (W.), 1793, Fig. Deser. Petrif. Derbyshire, and 1809, Petrificata Derbiensia : declared not available for nomencla- torial purposes... re ro 8 i m s: taBG

16. Twelve generic names in the Order Lepidoptera (Class Insecta), published in 1807 by Fabricius and Ihger in different senses : suppression under the plenary powers of the names so published by Illiger o a te of ¥ 2 J) weap

Vi Hygriobia Latreille, 1804 (Class Insecta, Order Coleoptera): emenda- tion of, to Hygrobia under Article 19... es a .. 469

18. Schwagerina von Moller, 1877 (Class Rhizopoda, Order Foramini- fera) : determination of type species of ; a eee

Fourteenth Meeting (continued)

a9.

20.

21.

bo bo

bo 1

26.

Alydus Fabricius, 1803 (Class Insecta, Order Hemiptera) validated, and Coriscus Schrank, 1796, suppressed, under the plenary powers

Salda Fabricius, 1803 (Class Insecta, Order Hemiptera): designa- tion of type species of, under the plenary powers a

ae of ten genera in the Order Hemiptera (Class Insecta), based upon misidentified type species : (1) type species of Gastrodes Westwood, 1840, designated under the plenary powers; (2) type species of remaining genera similarly designated con- ditionally oe :

Certain applications not yet published in the Bulletin of Zoological Nomenclature : the Commission’s files relating to, to be examined in turn ..

The trivial name idas Linnaeus, 1758 (as published in the binominal combination Papilio idas) suppressed, and the trivial name idas Linnaeus, 1761 (as published in the binominal combination Papilio idas) (Class Insecta, Order Lepidoptera) validated, and its application defined, under the plenary powers, and matters incidental thereto ..

Six generic names in the Order Lepidoptera (Class Insecta) placed on the Official List of Generic Names in Zoology and three generic names in the same Order placed on the Official Index of Rejected and Invalid Generic Names in Zoology

The ‘“ Hildesheim List [1839] ”’ : suppression of, for nomenclatorial purposes, under the plenary powers

Hiibner (J.) [1806], T’entamen : (1) the valid names of the genera for certain of the species cited in, placed on the Official List of Generic Names in Zoology ’’ ; (2) procedure to be adopted for determining the valid generic names for the remaining species cited in

Papilio podalirius Linnaeus, 1758 (Class Insecta, Order Lepi- doptera) : identity of, determined under the plenary powers . .

Article 31, need for elaboration of, to cover certain special cases : Secretary invited to prepare a comprehensive Report on

Meuschen’s Index to Gronovius, 1763-1781, Zoophylaciwm Grono- vianum : rejection of, for nomenclatorial purposes ses

467

469

474

480

486

488

497

499

XLVI

Fourteenth Meeting (continued)

30.

32.

33.

34.

36.

es ~I

39.

Podura Linnaeus, 1758, and Tomoceros Nicolet, 1842 (Class Insecta, Order Collembola): designation of type species of, under the plenary powers; Podura Linnaeus, 1758, cor- rection in Official List of Generic Names in See Sly of entry relating to We

Amplyplerus Hiibner [1819] (Class argc Order hacia om te determination of type species of . # :

Phylum Echinodermata: eight applications for the use of the plenary powers to validate accepted nomenclatorial usage submitted by Commissioner Th. Mortensen (Denmark), pre- liminary considerations relating to oe BS:

Echinocrinus Agassiz, 1841 (Class Echinoidea, Order Cidaroida), proposed suppression of, and Archaeocidaris M’Coy, 1844, proposed validation of, under the plenary powers : considera- tion postponed for additional information to be obtained

Echinocyamus van Phelsum, 1774, and Fibularia Lamarck, 1816 (Class Echinoidea, Order Clypeastroida) : designation of type species of, under the plenary powers a! an on

Phyllacanthus (Class Echinoidea, Order Cidaroida) and Strongylo- centrotus (Class Echinoidea, Order Camarodonta) validated as of subgeneric status as from Brandt, 1835, under the plenary powers -

Spatangus Gray, 1825, Ova Gray, 1825, Schizaster Agassiz [1836], Echinocardium Gray, 1825, Moira Agassiz, 1872, and Brissus Gray, 1825 (Class Echinoidea, Order Spatangoida) : validation of current nomenclatorial practice in regard to, under the plenary powers

Arachnoides Leske, 1778, and Echinorachnius Gray, 1825 (Class Echinoidea) validated under the plenary powers, and, with Hehinodiscus Leske, 1778 (Class Echinoidea) placed on the

Official List of Genetic Names in Zoology ;

Echeneis Linnaeus, 1758 (Class Pisces, Order Discocephali). designation of type species of, under the plenary powers ; the position of Echeneis Linnaeus on the “‘ Official List ”’ confirmed, and Remora Gill, 1862 spat Pisces, Order p Haran eR added

thereto

Papilio iris Linnaeus, 1758 (Class Insecta, Order ne ee identity of, determined under the plenary powers :

507

509

514

516

519

522

530

536

540

XLVii

Fourteenth Meeting (continued) Page

40. The trivial names ascanius Linnaeus, 1768 (as published in the binominal combination Papilio ascanius) and aristolochiae Pallas (as published in the binominal combination Papilio aristolochiae), in so far as published prior to 1780, suppressed, and the trivial names aristolochiae Fabricius, 1775 (as published in the binominal combination Papilio aristolochiae) and ascanius Cramer [1775] (as published in the binominal combination Papilio ascanius) (Class Insecta, Order Lepidoptera) validated, under the plenary powers... Spe}

41. Zimmermann (A. KE. W. von). 1777, Specimen Zoologiae geographicae, declared not available for nomenclatorial purposes ; Zimmer- mann, 1778-1783, Geographische Geschichte declared an available work Ne 2 . Be is a oe

42. Frisch (J. L.), 1775, Das Natur-System der vierfiissigen Thiere : declared not available for nomenclatorial purposes. . . ES

43. Dama Zimmermann, 1780, and the specific name Dama virginiana Zimmermann, 1780 (Class Mammalia, Order Ungulata) : consideration of status of, postponed for additional information to be obtained a: Marae a “a a .. 549

44. Meigen (J. G.), 1800, Nowvelle Classification des Mouches & deua Ailes (Class Insecta, Order Diptera): (1) Report by the Secretary regarding ; (2) future procedure on, determined .. 552

45. Individual problems of zoological nomenclature on which decisions had been taken during the present (14th) Meeting of the Commission: Report on, to be submitted to the Section on Nomenclature “i $4 is fs, me oe see 559

46, Re-issues of Opinions 1-16: examination (1) of comments on interpretations of the Régles given in, and (2) of certain proposals for further action submitted either in ‘“ Editorial

Notes attached to, or in footnotes added to .. 560

47. Article 25: question whether, when an author, on publishing a manuscript name or republishing with an indication a name previously published as a nomen nudum, omits expressly to state that he is so doing, that omission is material to the status of the name so published or republished, clarification of position regarding .. sie Re: “a ae < 23 6562

48. Article 25: publication of names which had previously existed as manuscript names and republication of names previously published only as nomina nuda, addition of a Recommandation condemning is % re S. ul ate oiceey aie

XLVili

Fourteenth Meeting (continued)

49.

50.

oo or

56.

or oe |

Article 21: authorship of names and the method to be adopted in citing authors’ names, supplementary provisions adopted regarding

Nozeman & Vosmaer, 1758, Geslachten der Vogelen (a translation into Dutch of a work by Moehring entitled Avium Genera, published in 1752): declared not available for nomenclatorial purposes

Edwards’ edition (1771) of Catesby (M.), Natural History of Carolina (status of names in): clarification of decision in Opinion 89 relating to

Meuschen (F. C.), 1778, Museum Gronovianum: declared not available for nomenclatorial purposes

Sand Crab (Class Crustacea, Order Decapoda) : (1) the trivial name quadratus Fabricius, 1787 (as published in the binominal combination Cancer quadratus) the oldest available trivial name for ; (2) Opinion 13 to be cancelled as incorrect ; (3) a revised Opinion to be rendered when views of specialists obtained on action desirable

Opinion 16, certain generic names discussed in, placed on the

** Official List of Generic Names in Zoology

Taenia Linnaeus, 1758 (Class Cestoidea): use of the plenary aaa (1) to designate Taema solvum Linnaeus, 1758, as the type species of, and (2) to validate an erroneus entry relating to, in the Official List of Generic Names in Zoology (correction of an error in Opinion 84)

Schneider (J. G.), 1784, Samml. Abhandl. Aufklar. Zoologie Hand- lungsgeschichte : (1) suppression under the plenary powers of the generic name Octopodia Schneider, 1784, and of five trivial names published in that genus; (2) eight reputed generic names declared to be cheironyms ; (3) Octopus Cuvier [1797], and Eledone Leach, 1817, yer te on the ** Official List of Generic Names in Zoology : e a ;

Opinions already published (individual questions of zoological nomenclature arising in): Report to Section on Nomenclature on conclusions reached by the Commission in regard to

Opinions 1-133: arrangements to be made for publication of Jacsimile edition of

Page

564

566

573

580

XLix

Fourteenth Meeting (continued) Page

59. Human malaria parasites, generic and trivial names of : (1) use of the plenary powers to validate existing nomenclatorial practice ; (2) cancellation of erroneous decisions regarding, in Opinion 104; (3) insertion of amended particulars in the Official List of Generic Names in Zoology” and matters incidental thereto .. ne Ve 7s az ia .. 594

60. Article 14(1)(a): a term-consisting of an adjective denoting a sub- species or infra-subspecific form of a species, whose trivial name is a noun in the genitive case, declared not to acquire status as a subspecific or infra-subspecific trivial name, if published in grammatical agreement, not with the generic name, but with the trivial name of the species, either expressed or understood .. ah a ae ae ee B 55 thy Se

61. Official List of Specific Trivial Names in LORY. : clarification of scope of, in certain respects... : Ae -- 625

62. Editorial Committee charged with the duty of editing the revised text of the Régles : proposals submitted to the Section on Nomenclature in regard to the composition of . . a Soot. Gane

63. Report to the Congress on work performed by the Commission during the Paris Session : concluding instalment submitted to Section on Nomenclature . . of ae a Aas Sam Gad

64. Decisions taken by the Commission in Opinions” and other publications (method to be adopted for recording of): con- sideration of Resolution regarding, submitted on behalf of the Committee on Nomenclature of the Smithsonian Institution, Washington, D.C. .. 4 he yl da a = -) 632

65. Minutes of the Meetings of the Commission during its Paris Session : arrangements to be made for finalising the text of .. .. 640

66. Thanks of the Commission to those members of the Congress who had served as Alternate Members of the Commission during its Paris Session .. oe Bs iy ss ais .. 644

67. Rising Vote of Thanks to Commissioner Francis Hemming for his services as Secretary to the Commission and as Acting

President of the Commission during its Paris Session . . ta 7) GED

68. Vote of Thanks to the Secretary-General of the cae and to the Authorities of the Congress generally .. a 647

69. Close of the Proceedings of the Commission at its Paris Session .. 648

L

Fifteenth Meeting (continued) Page

NOTE OF A DECISION taken at an Informal (Fifteenth) Meeting of the International Commission on Zoological Nomenclature held at the Hotel Lutetia, Paris, at the conclusion of the Final Banquet of the Congress on Tuesday, 27th July, 1948 at 2215 hours.

1. Communiqué on the work of the Commission during the Thirteenth International Congress of Zoology to be issued to the Scientific Press of the World : approval of terms of i Sa a)

[INDEX- .: i: Ae 3 bi Le fe ie eed 653

Note on dates of publication of the several portions of the present volume.

VoL.4

VOLUME 4. - Parts 1/3 21st April, 1950 pp. T.P.—1, 1—62

THE BULLETIN OF ZOOLOGICAL

ct ye NOMENCLATURE | won 8

49 re The Official Organ of

THE INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE

Edited by FRANCIS HEMMING, C.M.G., C.B.E.

Secretary to the International Commission on Zoological Nomenclature.

CONTENTS :

Title Page; Thanks to U.N.E.S.C.0O.; Composition of the Page International Commission on Zoological Nomenclature ; Note by the President of the Section on Nomenclature of the Thirteenth International Congress of Zoology, Paris, July 1948, on the date of entry into force of the amendments to the Régles decided upon by the Congress; Particulars of the Commissioners and Alternate Commissioners present at the Paris Session and of the other members of the Congress who attended the meetings of the International Commission ; Note by the Secretary to the Commission on the Class and Ordinal names used in the Official Record of the Proceedings of the Commission at its Paris Session ; Certification of the text of the Official Record of the Proceedings of the Commis- sion at its Paris Session ; Table of Contents TP.—1L

The Official Record of Proceedings of the International Commission on Zoological Nomenclature at its Session held in Paris in July Half- 1948 : Conclusions of First, Second and Third Meetings and Title, first instalment of Conclusions of Fourth Meeting 1-62

LONDON :

Printed by Order of the International Commission on Zoological Nomenclature on instructions received from the Thirteenth International Congress of Zoology, Paris, 1948, and Sold on behalf of the International Commission by the International Trust for Zoological Nomenclature at the Publications Office of the Trust 41, Queen’s Gate, London, S.W.7.

1950 4 diva Price One pound, ejght shillings.

(All rights reserved)

THE OFFICIAL RECORD OF PROCEEDINGS OF THE INTERNATIONAL COMMISSION ON | ZOOLOGICAL NOMENCLATURE AT THEIR SESSION HELD IN PARIS IN JULY, 1948

VoL 4 pb

at) RO

ae

v acy

iD)

THE OFFICIAL RECORD OF PROCEEDINGS OF THE INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE AT THEIR SESSION HELD IN PARIS

21st—27th JULY, 1948

(prepared by Secretary Francis Hemming at the request of the International Commission

on Zoological Nomenclature)

INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE Session held during the Thirteenth International Congress of Zoology,

Paris, 21st-27th July, 1948

CONCLUSIONS of the First Meeting held at the Sorbonne in the Ampitheatre Louis-Liard

on Wednesday, 21st July, 1948 at 1430 hours PRESENT :

Mr. Francis Hemming (United Kingdom) (Secretary to the Commission) (Acting President)

Professor Professor Professor

Absence of the President and Vice- President

and assumption of the Acting Presidency by the Secretary

VOL, 4 bp?

H. Boschma (Netherlands) J. Chester Bradley (U.S.A.) Lodovico di Caporiacco (Italy)

1. THE SECRETARY (COMMISSIONER FRANCIS HEMMING) informed the Commission that he had two communications to make, both of which would, he felt sure, be a source of great regret to all the Commissioners present : first, he had been informed by President Karl Jordan that he would unfortunately be unable to attend the present session of the Commission, the fact that he was now totally deaf making it impossible for him to take part in oral discussions ; second, he had received a cable from Vice- President James L. Peters expressing his regret that circumstances made it impossible for him to be present. In the absence of the two senior officers of the Commission, it would therefore fall to him (Secretary Hemming) to officiate as Acting President during the Paris Session of the Commission.

THE COMMISSION :—

(1) took note with great regret that neither the President (owing to total deafness) nor the Vice- President of the Commission would be able to be present at the Paris Session of the Commission ;

(2) took note that Commissioner Francis Hemming, as Secretary to the Commission, would, in the absence of the President and the Vice-President, officiate as Acting President of the Commission during the Session of meetings to be held in Paris.

2 International Commission on Zoological Nomenclature.

Apologies for 2. THE ACTING PRESIDENT (MR. FRANCIS nog eb er HEMMING) reported that he had been informed by their Paul Rode (France) colleague, Commissioner Paul Rode (France), that, much to his regret, his duties as an officer of another Section of the Congress would make it difficult for him to attend

the meetings of the Commission during its present Session.

THE COMMISSION :— took note of the above statement.

a : 3. THE COMMISSION :— hrs rao rae took note that, owing to the high cost of foreign travel,

the difficulty in many cases of obtaining foreign exchange and similar causes, it had been possible for only the five undermentioned members of the Com- mission to attend the Paris Congress and therefore to take part in the present Session of meetings of the Commission :—

Professor H. BOSCHMA (Netherlands)

Professor J. Chester BRADLEY (U.S.A.)

Professor Lodovico di CAPORIACCO (Italy)

Mr. Francis HEMMING (United Kingdom) (Seere- tary to the Commission)

Dr. Paul RODE (France).

Eenenatientes 4. THE ACTING PRESIDENT (MR. FRANCIS Tit Motieaten HEMMING) reported that Commissioner Th. Mortensen (Denmark) on (Denmark) had had every intention of attending the

account of ill-health present meeting and had been keenly looking forward

to doing so. Unfortunately, on the advice of his medical attendants, he had had regretfully to cancel his proposed visit to Paris. In the letter announcing this decision, Commissioner Mortensen had asked also to be relieved from further service as a member of the Commission, in order that he might devote the whole of his time and energies to the completion of his monograph of the Echinoidea. All the members of the Commission, as also Dr. Mortensen’s many other friends and admirers among the zoologists attending the present Congress, would deeply regret the circumstances responsible for Dr. Mortensen’s decision. For the Commission Dr. Mortensen’s absence and his prospective retirement from the Office of Com- missioner was a keen personal loss. He (the Acting President) felt sure that the members of the Commission would wish him on their behalf to convey to Dr. Mortensen their deep regret at the reasons which made it impossible for him to be present and their sympathy and good wishes.

(Later reference: Paris Session, 4th Meeting, Conclusion 2(a))

Commissioners absent from Paris and unable to attend the Session thereat

(Previous references: Paris Session,

lst Meeting, Conclusions, 1 and 4)

Appointment of certain members of the Congress to be Alternate Members of the Commission for the duration of the Paris Session

Ist Meeting, Paris, July, 1948. 3

THE COMMISSION :—

took note with great regret of the reasons which made it impossible for Commissioner Mortensen (Denmark) to attend the present meeting and invited the Acting President to telegraph to Dr. Mortensen expressing their sympathy and good wishes.

5. THE COMMISSION :—

took note that, in addition to President J ordan, Vice- President Peters and Commissioner Th. Mortensen, the reasons for whose absence had already been reported, the undermentioned ten members of the Commission had been prevented from attending the present meeting by such causes as the difficulty of obtaining passages, the high cost of foreign travel, and the difficulty in many cases of obtaining the requisite foreign exchange :—

Senhor Afranio do Amaral (Brazil) Sefior Angel Cabrera (Argentina)

Dr. W. T. Calman (United Kingdom) Professor J. R. Dymond (Canada) Professor Teiso Esaki (Japan) Professor Bela Hanké (Hungary) Dr. Joseph Pearson (Australia) Professor Rudolf Richter (Germany) Dr. Norman R. Stoll (U.S.A.) Professor Harold E. Vokes (U.S.A.)

6. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that, in accordance with the pro- cedure approved by the Ninth International Congress of Zoology at its meeting held at Monaco in 1913 and confirmed by subsequent meetings of the Congress, it was the duty of the Commission to complete its membership during Sessions held concurrently with meetings of the International Con- gress of Zoology by inviting representative zoologists who were attending the Congress to serve during that period as Alternate Members of the Commission with full voting rights, in place of those members of the Commission who were unable to be present at the Congress concerned. The Acting President then outlined the informal discussions to this end which, following precedent, had taken place prior to the opening of the present Congress.

THE COMMISSION :—

(1) took note of, and approved, the arrangements provisionally made for the undermentioned

Arrangements for meetings during the

Paris Session

International Commission on Zoological Nomenclature.

_— bo

(2

~—

members of the Thirteenth International Congress of Zoology to be invited to act as Alternate Members of the Commission with full voting rights during the Session of the Commission to be held in Paris concurrently with the present meeting of the Congress :—

Dr. Edward HINDLE (United Kingdom) vice President Karl Jordan (United Kingdom) ;

Professor Arthur Ricardo JORGE (Portugal) vce Commissioner Afranio do Amaral (Brazil) ;

Professor Harold KIRBY (U.S.A.) vice Com- missioner Norman R. Stoll (U.S.A.) ;

Professor Z. P. METCALF (U.8.A.) vice Vice- President James L. Peters (U.S.A.) ;

Mr. Norman D. RILEY (United Kingdom) vice Commissioner W. T. Calman (United Kingdom) ;

Professor R. SPARCK (Denmark) vice Com- missioner Th. Mortensen (Denmark) ;

Professor V. van STRAELEN (Belgium) vice Commissioner Rudolf Richter (Germany) ;

Professor Robert L. USINGER (U.S.A.) vice Commissioner Harold E. Vokes (U.8.A.) ;

authorised the Acting President, in consultation with the Comité Permanent des Congres Inter- nationaux de Zoologie, to approach four other zoologists with a view to their serving as Alternate Members of the Commission during the present Session in the place of Commissioners Cabrera, Dymond, Hanké and Pearson, the zoologists to be so approached to be nationals of countries not at present represented on the Commission.

7. THE COMMISSION :— (1) agreed that during their present Session their

meetings should be held in public and that any member of the Congress should be free to take part in their discussions and invited the Acting President to place a notice to this effect on the Bulletin Board of the Congress ;

invited the Acting President of the Commission to make such arrangements for joint meetings of the Commission and the Section on Nomen- clature as he, in his capacity of President of the

Ist Meeting, Paris, July, 1948. 5

Section, might consider best calculated to promote the smooth, rapid and efficient conduct of the business to be dealt with by the Commission and the Section.

Second meeting of 8. THE COMMISSION agreed :-—

the Commission has ae to terminate the present meeting and to meet again date and time forthwith in public, with the Alternate Members

appointed of the Commission in their places.

(The Commission thereupon adjourned at 1440 hours)

(6 ) INTERNATIONAL COMMISSION on ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth International Congress of Zoology, Paris, 21st-27th July, 1948

CONCLUSIONS of the Second Meeting held at the Sorbonne in the Amphitheatre Louis-Liard on Wednesday, 21st July, 1948 at 1440 hours

PRESENT

Mr. Francis Hemming (United Kingdom) (Acting President) Professor H. Boschma (Netherlands) Professor J. Chester Bradley (U.S.A.) Professor L. di Caporiacco (Italy) Dr. E. Hindle (United Kingdom) Professor Harold Kirby (U.S.A.) Professor Z. P. Metcalf (U.S.A.)

Mr. N. D. Riley (United Kingdom) Professor R. Sparck (Denmark) Professor V. van Straelen (Belgium) Professor Robert L. Usinger (U.S.A.)

The following were also present :

M. Belloc (France)

Professor EK. Beltran (Mexico) Professor P. Bonnet (France)

M. André Chavan (France) Professor Ernest N. Cory (U.S.A.) M. G. V. Deflandre (France)

Mr. Jean Delacour (U.S.A.) Professor A. Ghigi (Italy)

M. H. Gisin (Switzerland)

Dr. Henning Lemche (Denmark) Professor Kamel Mansour (Egypt) Mr. R. Winckworth (United Kingdom)

Mrs. M. F. W. Hemming, Personal Assistant to the Secretary Miss J. H. Shorey, Acting Documents Officer

Official Languages 1. THE COMMISSION :—

at the Paris Session (1) recalled that, although the Official Language of the Régles Internationales de la Nomenclature Zoologique was the French language, the Official Language of the International Commission on Zoological Nomenclature was the English lan- guage ;

(2) agreed that at the present Session of meetings communications might be made to the Commission in either English or French,

Procedure to be followed at the Paris Session: suspension

of the By-Laws and other matters

(Later reference : Paris Session, 11th Meeting. Conclusion 10)

2nd Meeting, Paris, July, 1948. |

2. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that owing to the war no meeting of the Commission had taken place for 13 years, the last meeting being that held in Lisbon in 1935 at the time of the Twelfth International Congress of Zoology. In consequence the Commission and the Section on Nomenclature were faced with an exceptionally heavy agenda for the present meeting. The Commission were anxious to secure the widest measure of co-operation with, and assistance from, zoologists attend- ing the Paris Congress. It was for this reason that the Commission had decided that all their meetings during the present Congress should be held in public. This would enable every member of the Congress who was interested in zoological nomenclature not only to attend the meetings of the Commission but also to take an active part in the dis- cussion of problems brought forward for consideration. Further, in agreement with the Commission, he (the Acting President of the Commission) had decided, in his capacity of President of the Section on Nomenclature, that some of the meetings of the Commission should be held jointly with meetings of the Séction. This arrangement would secure important advantages. First, it would give to the members of the Section a more effective responsibility for the decisions taken than would otherwise be possible. Second, it would secure that the best use was made of the limited amount of time available by eliminating the need for detailed discussion of every problem first in the Commission and second in the Section. In order to avoid waste of time, it was essential also that both the Commission and the Section should set on one side any procedural forms which might reduce the scope of, or the rate at which, business could be transacted. In particular, it would be necessary for the Commission to suspend for the duration of the present Session the provision which it had imposed on itself when in 1910 it had included in its By-Laws an Article under which proposals affecting the text of the Régles must have been before the Commission for a period of at least one year before recommendations thereon could be sub- mitted to the Congress. Whatever might have been the merits of this provision at the time when it was adopted (and proposals for its modification would be submitted later during the present Session), it was evident that, if the Commission were to allow itself to be bound by this provision on the present occasion, it would be impossible for it to deal with a large part of the urgent and important questions awaiting its attention. It was evident that zoologists in general were looking to the Commission to make the best possible use of the opportunity presented by the present

8 International Commission on Zoological Nomenclature.

Deaths of Commissioners

since 1935

meeting of the Congress and would consider that the Com- mission had failed in its duty if it were to permit procedural devices to stultify its action. The task lying before the Commission and the Section was very heavy; hard work, long meetings and close attention to business would be needed if the comprehensive programme of reforms before the Commission was to be carried to a successful issue and decisions taken on the large number of individual cases awaiting attention. In view of the importance of the problems involved and of the clearly expressed desire of zoologists that the Commission should in future conduct its business in a prompt and efficient manner, he was confident that the Commission and the Section would rise to their responsibilities and would crown the Paris meeting with success.

THE COMMISSION :—

(1) took note of the need for the closest attention to business during the Paris Session, in order that decisions might be taken on the large number of important questions awaiting consideration ;

(2) agreed that, to facilitate the attainment of the object specified in (1) above, the By-Laws of the Commission should be suspended during the Paris Session.

3. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) reported that since their meeting held at Lisbon in 1935 the Commission had lost through death seven of their colleagues, namely Commissioner H. B. Fantham ; Commissioner Witmer Stone; Vice-President Charles Wardell Stiles ; Commissioner Leonhard Stejneger ; Commissioner Frederick Chapman ; Commissioner Walther Arndt; Commissioner Jacques Pellegrin. Every one of the colleagues whom the Commission had lost had made a valuable contribution to its work during his period of office and the death of each would be deeply regretted. The Commission would, no doubt, feel an especial sense of loss at the death in 1941 of Vice-President Stiles who at the time of his death had served continuously as a member of the Commission for 45 years, during 38 of which he had held the Office of Secretary to the Commission ; and of Com- missioner Stejneger who had served as a member of the Commission for 44 years, and by his wide experience and judicial temperament had made a most notable contribu- tion to the work of the Commission.

Election in 1936 of Commissioner Francis Hemming (United Kingdom) to be Secretary to the Commission in succession to Commissioner

C. W. Stiles (U.S.A.)

Creation in 1939 of offices of Vice- President and Assistant Secretary o the Commission and election thereto of Commissioners C. W. Stiles (U.S.A.) and James L. Peters

(U.S.A.)

2nd Meeting, Paris, July, 1948. 9

The Acting President added that Commissioner Arndt (Germany) lost his life during the war in circumstances which constituted an ineffaceable outrage against the whole body of men of science. Denounced to the Gestapo apparently for no other reason than his intellectual integrity and his attachment to the conception of co-operation between men of science, irrespective of nationality, Com- missioner Arndt was hurriedly arrested in January, 1944, and shortly afterwards suffered death by the headsman’s axe. The whole Commission would deplore the loss which they had sustained as the result of this abominable crime and would emphatically condemn this disgraceful murder.

(The members of the Commission and other Zoologists

present at this point rose in their places and stood for

two minutes in silence as a mark of respect to thew deceased colleagues.)

(On resumption)

THE COMMISSION :—

(1) agreed to place on record their sincere regret at the loss which they had sustained through the death of Vice-President Stiles and of Com- missioners Arndt, Chapman, Fantham, Pellegrin, Stejneger and Stone ;

-_— bo ~~

emphatically condemned the disgraceful murder of Commissioner Arndt by the Gestapo during the war and agreed to invite the Congress to record its detestation of this abominable crime.

4. THE COMMISSION took note :— that the Office of Secretary to the Commission which was rendered vacant in 1935 by the resignation of Commissioner C. W. Stiles (U.S.A.) had been filled in 1936 by the unanimous election thereto of Com- missioner Francis Hemming (United Kingdom).

5. THE COMMISSION took note :—

(1) that in 1939 two additional Offices had been created in the Commission, namely the Offices of Vice-President and Assistant Secretary ;

(2) that at the time of the creation of the foregoing Offices Commissioner C. W. Stiles (U.S.A.) had been unanimously elected to be Vice-President

10 International Commission on Zoological Nomenclature.

and Commissioner James L. Peters (U.S.A.) had been similarly elected to be Assistant Secretary to the Commission.

Chan iode inate =—-s«6. THE COMMISSION agreed :-— potas de (1) to report to the Congress that, in accordance with the procedure approved by the Tenth Inter- national Congress of Zoology at its meeting held at Budapest in 1927, the Commission had, on the expiry of the term of service of the Class 1937 :—

(a) constituted the Class 1946 to replace the Class 1937 ; and had

(b) elected to the Class 1946 the zoologists who had been members of the Class so replaced, namely, Professor W. Arndt, Dr. W. T. Calman, Professor T. Esaki, Professor B. Hank6, Dr. T. Jaczewski and Dr. C. W. Stiles, subject to the confirmation of these elections at the next meeting of the Congress ;

(2) to invite the Congress to signify their approval of the action specified in (1) above.

Assumption by 7. THE ACTING PRESIDENT (MR. FRANCIS plane ieee ogg HEMMING) recalled that administrative problems of great powers on behalf of difficulty for the Commission had followed the outbreak of rok SameneHpe war in Europe in September 1939. As Secretary to the 1939-4045. eed Commission, he had himself been responsible for the safe

custody of the records of the Commission, for the conduct of its financial affairs, and generally for ensuring continuity in the organisation of the Commission until the next meeting of the Congress. On the other hand, first the threat of air attack and later actual air attacks on London and other parts of the United Kingdom created a situation in which at any time either the President or the Secretary or both of these Officers might be killed or disabled and the records of the Commission destroyed. These were clearly risks which it was necessary should be guarded against, so far as possible. As Secretary to the Commission, he had therefore conferred with the President as to the course to be taken. The situation was such that effective action could at that time only be taken by officers or members of the Commission then. resident in the United Kingdom, for officers and members of the Commission resident in other countries would have been unable at that time to do anything to protect the records of the Commission and very little to ensure the continued existence of the Commission

2nd Meeting, Paris, July, 1948. 1]

in the event of the death of both the President and Secretary. The problems which had to be faced were therefore :—

(1) how to ensure that those duties in relation to the Commission and its property which at that time could only be discharged in the United Kingdom should be duly discharged in the event of the death or disablement of the President or the Secretary or of both of those officers ;

(2) how to secure the continued existence of the Com- mission during a war of which in 1939 it was impossible to forecast the duration, having regard to the fact that one-third of the membership of the Commission was due for renewal every three years and therefore that the entire membership of the Commission would lapse by the end of 1946 (the date of the expiry of the term of service of the Class (Class 1937) last due to be renewed).

In considering this problem, the President and the Secretary had had the benefit of the precedent set in some- what similar circumstances at the close of the 1914-1918 war, when extraordinary powers were assumed by the then Secretary, Commissioner ©. W. Stiles, who through the death of the President, was also at that time Acting President of the Commission. The action taken under the extraordinary powers then assumed by Acting President Stiles were reported to, and approved by, the Tenth Inter- national Congress of Zoology at_ its meeting held at Budapest in 1927. The problems which confronted the President and Secretary of the Commission in 1939 were much more serious than those which had confronted Acting President Stiles a quarter of a century earlier, for not only were communications interrupted between the Secretariat of the Commission and certain members of the Commission, while great delays were imposed in communicating with the remaining Commissioners, but on this occasion also the Secretariat of the Commission was located in a country which, through the advent of air warfare, lay within the area of active military operations. Clearly, therefore, there was a need in 1939 for more extensive and more formal urangements than had been called for at the end of the war of 1914-1918.

After taking the best legal advice available, he (Com- missioner Hemming) had, as Secretary to the Commission, submitted a recommendation to President Jordan that he should execute a formal Instrument assuming for the dura- tion of the emergency created by the war such extraordinary

2,

International Commission on Zoological Nomenclature.

powers as he might deem to be necessary or expedient to ensure the continued existence of the Commission and to secure its due functioning after the close of the emergency, subject to the provision that as soon as might be practicable after the close of the emergency a full Report should be made to the Commission on every act taken in virtue of the extraordinary powers so assumed. This recommendation was approved by President Jordan by whom the proposed Instrument was executed on 6th September, 1939. This Instrument was styled the ‘‘ Emergency Powers Declaration, 1939 and empowered the President to issue “* Directions from time to time on such matters as that officer might deem it necessary or expedient should be regulated in this manner. The Declaration provided also (1) for the devolution to the Secretary of the functions of the President in the event of the death or disablement of the President, and (2) for the devolution to the Assistant Secretary of the functions of the Secretary in the event of the death or disablement of the Secretary or, if the Assistant Secretary was not in a position to assume those functions, upon such other member of the Commission as might temporarily assume those functions.

In making the foregoing Report on behalf of President Jordan, the Acting President asked the Commission to signify their approval of the action taken in 1939 to ensure the continued existence of the Commission through the adoption of the measures described above and to report that action to the Section on Nomenclature with a recommenda- tion that the action be approved and confirmed. The Declaration executed by President Jordan in September, 1939, was available for inspection and the text of that Declaration was given for purposes of record in.an Annex to the Report which he (Secretary Hemming) had prepared on the work of the Secretariat of the Commission in the period 1936-1948 (Commission Paper I.C.(48)2).

THE COMMISSION :—

(1) took note of, and approved, the action of President Jordan in assuming the extraordinary powers specified in the “‘ Emergency Powers Declaration, 1939” executed by him in September, 1939, for the purpose of ensuring the continued existence of the Commission during the emergency created by the outbreak of war in Europe, and of securing the due functioning of the Commission after the close of the emergency ;

(2) agreed to report to the Section on Nomenclature the.action taken by President Jordan, as specified

2nd Meeting, Paris, July, 1948. 13

in (1) above, with a recommendation that that action be approved and confirmed.

Constitution under 8. THE COMMISSION :—_

the Emergency

Powers Declaration, (1) took note, and approved, the action of President be eo ese Jordan in issuing Directions under the Emergency place of the Classes Powers Declaration, 1939

1940 and 1943 (a) prescribing the establishment of the Classes

1949 and 1952, in place of the Classes 1940 and 1943, as from the dates on which each of the first-named Classes completed its term of service; and

(b) directing that the six former members of the Class 1940 (Cabrera, Chapman, Hem- ming, Jordan, Pellegrin, Richter) should be deemed to have been elected to be members of the Class 1949 and the four former mem- bers of the Class 1943 (do Amaral, di Caporiacco, Dymond, Peters) should be deemed to have been elected to be members of the Class 1952;

Se a (2) confirmed the elections specified in (1) (b) above Ond Meeting, save as regards the election in 1940 of Professor Conclusion 16) Rudolf Richter (Germany) to be a member of the Class 1949, the question of the status of this

. election being reserved for further consideration.

Cc f th ; Chae 1st ats =—« 9. THE COMMISSION :—

of the Class 1946 pe ae et (a) that by a postal vote undertaken in January, 1947, the Commission had con- stituted the Class 1955 in place of the Class 1946, the term of service of which had then expired ; (b) that, concurrently with the action specified in (a) above, the undermentioned members of the former Class 1946 had been elected to be members of the Class 1955 :— Professor H. BOSCHMA (Netherlands) ; Dr. William Thomas CALMAN (United Kingdom) ; Professor Bela HANKO (Hungary) ; Dr. Norman R. STOLL (U.S.A.) ; (c) that, concurrently with the action specified in (b) above, the Commission had decided to reserve for later consideration the

14

International Commission on Zoological Nomenclature.

(2

)

question of the re-election of the remaining members of the former Class 1946, namely :— Professor Teiso ESAKI (Japan) ;

Professor Tadeusz JACZEWSKI (Poland)

that no further action had been taken as regards Professor Esaki, pending a decision by the Congress in regard to the position, in relation to the membership of the Com- mission, of former Commissioners who were nationals of Germany or Japan ;

(e) that, having regard to the fact that all efforts made to establish contact with Professor Jaczewski had proved unsuccess- ful, his place as a member of the Commission had been deemed to have been vacated and a successor had been elected thereto ;

S

agreed to report to the Congress the action specified in (1) above and to invite the Congress to approve and confirm the action so taken ;

agreed to recommend that the regulations governing the composition of the Commission should be modified expressly to provide that, if

- circumstances such as those referred to in (1) (e)

above, were to arise in which the Commission were unable to trace the whereabouts of a member of the Commission or in which it was impossible for the Secretary to communicate with a member of the Commission or for the member of the Commission concerned to communicate with the Secretary and in consequence that member of the Commission was unable to discharge the duties of his office, the Commissioner in question should be deemed to have vacated his office as such and that his place should thereupon be filled in like manner as though he had died or had resigned, provided however that a member of the Commission shall not be deemed to have vacated his office as such when the inability of the member of the Com- mission concerned to communicate with the Secretary and of the Secretary to communicate with the said member of the Commission arises solely from an interruption of postal communica- tions consequent upon the existence of a state of war between the country of which that member of the Commission is a national or in which he is normally resident and the country in which the Secretariat of the Commission is established ;

(Later reference: Paris Session, 2nd Meeting, Conclusion 16)

Losses in the membership of the Commission since 1935 through resignations

Election of Commissioners

since 1935

VOL. 4 &

2nd Meeting, Paris, July, 1948 15

(4) agreed to reserve for further consideration the question of the re-election of Professor Teiso Esaki (Japan) to be a member of the Commission.

10. THE COMMISSION :—

(1) took note that, in addition to the resignation, on account of advancing years, of Commissioner Geza Horvath (Hungary) which had been reported to the Twelfth International Congress of Zoology at its meeting held at Lisbon in 1935, when, however, the vacancy so created had not been filled, the undermentioned members of the Commission had resigned from their places as such on account of age, ill-health or other causes :—

Commissioner Karl Apstein (Germany) ; Commissioner Filippo Silvestri (Italy) ; Commissioner Candido Bolivar y Pieltain (Spain) ;

(2) placed on record their regret at the loss, through

resignation, of their colleagues named in (1) above ;

(3) agreed to report to the Congress the losses through resignation specified in (1) above.

11. THE COMMISSION agreed :—

to report to the Congress the undermentioned elections made to the membership of the Commission since the meeting in 1935 of the Twelfth International Congress of Zoology and to invite the Congress to approve and confirm the elections so made :— (a) Elections in 1937 :— Senhor Afranio do AMARAL (Brazil) vice Commissioner Anton Handlirsch (Austria) (deceased) (appointed to the Class 1943) ; Professor Bela HANKO (Hungary) vice Com- missioner Geza Horvath (Hungary), (resigned) (appointed to the Class 1937) ; Professor Dr. Walther ARNDT (Germany) vice Commissioner Karl Apstein (Germany) (resigned) (appointed to the Class 1946) ;

(b) Elections in 1939 :-—

Professor Lodovico di CAPORIACCO (Italy) vice Commissioner Filippo Silvestri (Italy) (resigned)

(appointed to the Class 1943) ;

16 International Commission on Zoological Nomenclature.

Re-election of the President and the Secretary as from the beginning of 1941

(Previous reference: Paris Session,

2nd Meeting, Conclusion 7)

Pxofessor J. R. DYMOND (Canada) vice Com- missioner H, B, Fantham (Canada) (deceased) (appointed to the Class 1943) ;

Dr. Tadeusz JACZEWSKI (Poland) vice Com- missioner Candido Bolivar y Pieltain (Spain) (resigned)

(appointed to the Class 1946) ;

a ~

Elections during the war years:—

Professor J. Chester BRADLEY (U.S8.A.) vice Commissioner Witmer Stone (U.S.A.) (deceased) (appointed to the Class 1952) ;

Professor Harold E. VOKES (U.S.A.) vice Commissioner Leonhard Stejneger (U.S.A.) (deceased)

(appointed to the Class 1952) ;

Dr. Norman R. STOLL (U.S.A.) vice Com- missioner Charles Wardell Stiles (U.S.A.) (deceased)

(appointed to the Class 1946) ;

Dr. Joseph PEARSON (Australia) vice Com- missioner Frederick Chapman (Australia) (deceased)

(appointed to the Class 1949) ;

(d) Post-war elections :—

Professor H. BOSCHMA (Netherlands) vice Commissioner Walther Arndt (Germany) (deceased)

(appointed to the Class 1955) ;

Dr. Th. MORTENSEN (Denmark) vice Com- missioner Jacques Pellegrin (France) (deceased) (appointed to the Class 1949) ;

Dr. Paul RODE (France) vice Commissioner Tadeusz Jaczewski (Poland) (office vacated owing to post-war circumstances)

(appointed to Class 1955).

12. THE COMMISSION :—

(1) took note of, and approved, the action of the President in issuing in December, 1940, a Direc- tion under the Emergency Powers Declaration, 1949, directing that the Commissioners holding respectively the offices of President of the Commission and of Secretary to the Commission should be confirmed in, and should continue to hold, the said offices when on the expiry of the term of service of the Class 1940, of which the

Re-election of the Assistant Secretary as from the beginning of 1944

(Previous reference: Paris Session,

2nd Meeting, Conclusion 7)

Election in 1945 of Assistant Secretary Peters (U.S.A.) to be Vice-President

Establishment of the Class 1958 in place of the Class 1949

(Later reference : Paris Session, 3rd Meeting, Conclusion 2)

VOL. 4 E?

2nd Meeting, Paris, July, 1948. 17

said Commissioners were members, they were appointed to the Class 1949 (constituted under a Direction previously issued under the Emergency Powers Declaration, 1939), unless on the close of the Emergency the Commission were to direct otherwise ;

(2) confirmed the elections specified in (1) above.

13. THE COMMISSION :—

(1) took note of, and approved, the action of the President in issuing in September, 1943, a Direc- tion under the Emergency Powers Declaration, 1939, directing that the Commissioner holding the office of Assistant Secretary should be confirmed in, and should continue to hold, the said office when on the expiry of the term of service of the Class 1943, of which the said Commissioner was a member, he was appointed to the Class 1952 (constituted under a Direction previously issued under the Emergency Powers Declaration, 1939), unless on the close of the Emergency the Com- mission were to direct otherwise ;

(2) confirmed the election specified in (1) above.

14. THE COMMISSION -—

took note that in March, 1945, Assistant Secretary James L. Peters (U.S.A.) had been elected to be Vice-President of the Commission in the place of Vice-President Charles Wardell Stiles (U.S.A.) (deceased).

15. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that, in accordance with the decision taken by the Sixth International Congress of Zoology at its meeting held at Berne in 1904, the term of service of the oldest-established of the three Classes of the membership of the Commission was automatically brought to a close on the day following the last day of each Congress. The Class so due for discharge on the present occasion was the Class 1949. As each Class was constituted for a period of nine years, the Class now to be constituted would be the Class 1958.

THE COMMISSION :—

(1) took note that the Class 1949 would complete its term of service at the end of the present Congress ;

18 International Commission on Zoological Nomenclature.

(2) agreed to recommend the Congress to constitute a new Class, to be known as the Class 1958, to take the place of the Class 1949, as from the day immediately following the last day of the present

Congress.

German and 16. THE COMMISSION resumed their consideration Japanese of the position, in relation to the membership of the representationonthe mts se i Coninunon Commission, of the surviving German zoologist elected to

Sse a Commissioner prior to the invasion of Poland by (Previous reference: 5 : Paris Session, Germany in 1939 and of the Japanese zoologist elected to

2nd i sore be a Commissioner prior to the Japanese attack on the ‘onclusions 8(2) and United States in 1941.

9 (1) (4) After a full discussion, THE COMMISSION agreed :—

(1) that, having regard to the political and other conditions obtaining in Germany in the years immediately preceding the outbreak of war in Europe in 1939 and the corresponding conditions obtaining in Japan in the period immediately preceding the extension of the war to the Pacific in 1941, there could be no assurance that in the present changed conditions German and Japanese zoologists elected to be members of the Commission during those periods now commanded the confi- dence of the general body of zoologists in their respective countries ;

that in these circumstances it was desirable to afford to zoologists in Germany and Japan respectively a fresh opportunity of expressing their wishes as to the zoologists by whom they desired respectively to be represented on the Commission ; (3) that, in view of (1) and (2) above : (a) the term of service, as a member of the Commission, of Professor Rudolf Richter (Germany) should not be deemed to have been extended beyond 31st December, 1940, the date of the expiry of the Class 1940, to which he had been elected prior to the outbreak of war in Europe ; and

bo ~~

(b

the term of service, as a member of the Commission, of Professor Teiso Esaki (Japan) should be deemed to have been terminated on 31st December, 1946, the date of the expiry of the Class 1946, to which he had been elected prior to the extension of the war to the Pacific ;

Nomination of members of the

Class 1958

(Previous reference:

Paris Session, 2nd Meeting, Conclusion 15) (Later reference : 3rd Meeting, Conclusion 3)

(Previous reference:

Paris Session, lst Meeting, Conclusion 4)

(Later reference: Paris Session, 11th Meeting, ~ Conclusion 4)

Presidency of the Commission : request by

Commissioner Karl

Jordan (United Kingdom) to be excused from nomination as President for a further term

2nd Meeting, Paris, July, 1948. 19

(4) that the Secretary to the Commission should be requested to take appropriate steps as soon as possible to ascertain the views of German and Japanese zoologists respectively on the question specified in (2) above, with a view to obtaining suggestions as to the names of zoologists who were nationals of those countries, whose election to be members of the Commission would be generally acceptable to their fellow workers ;

(5) that it was to be understood that the decisions recorded in (1) to (4) above were decisions taken on grounds of principle and were not intended to reflect, and did not reflect, either upon the professional eminence of Professor Richter or of Professor Esaki or upon the value of the services rendered to the Commission by those zoologists while serving as Commissioners.

17. THE COMMISSION agreed :—

(1) to nominate the undermentioned members of the former Class 1949 to be members of the Class 1958 :—

Sefior Angel CABRERA (Argentina) ;

Mr. Francis HEMMING (United Kingdom) ;

Dr. Karl JORDAN (United Kingdom) Dr. Joseph PEARSON (Australia) ;

(2) to take note with great regret that on grounds of age and ill-health, Dr. Th. Mortensen (Denmark), a retiring member of the Class 1949, desired to be excused from further service as a member of the Commission and accordingly was not willing that his name should be put forward for nomination to the Class 1958 ;

(3) to nominate Professor R. SPARCK (Denmark) to be a member of the Class 1958 ;

(4) to recommend the Congress to approve and confirm the foregoing nominations and to agree to leave the sixth place in the Class 1958 to be filled by the Commission after the close of the Congress.

18. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that, in view of the fact that Professor Karl Jordan was a member of the Class 1949 which would complete its term of service on the day following the close of the present Congress, it was necessary for the Commission to make a nomination to the office of President for the ensuing period. It would be the wish alike of every member of the Commission and of the general body of zoologists to nominate Commissioner Jordan for a further

. I

20

International Commission on Zoological Nomenclature.

term of service as President, an office which he had held with great distinction ever since his election thereto in 1929 in succession to the eminent Italian zoologist, the late Professor F. S. Monticelli. It was, therefore, with the greatest regret that he had to inform the Commission that he had been notified by Commissioner Jordan that owing to his age and, in particular, to his total deafness, he felt bound to ask that he should be excused from being nominated to serve as President of the Commission for a further term.

Everyone, both inside the Commission and among zoologists at large, would join in regretting the reasons which had prompted Dr. Jordan’s decision. Dr. Jordan was one of the leading zoologists of the day and no man of ereater professional eminence or higher personal distinction could be found to fill the office of President of the Com- mission. But Dr. Jordan was far more than an extremely eminent man of science. For 21 years as President, and for 35 years as a member of the Commission, Dr. Jordan had placed unreservedly at the disposal of the Commission his vast store of knowledge, his ripe experience, his mature judgment, his judicial temperament and his rich human sympathies. The office of President of the Commission was not merely a post of great dignity ; it carried with it also heavy responsibilities. First, it was the duty of the President, while giving the freest scope to all legitimate expressions of opinion, so to guide the proceedings of the Commission as to ensure continuity in its work, tempered by a due recognition of the need for adaptations to meet changing circumstances. Second, it was the duty of the President to conduct the deliberations of the Commission in such a way as to promote the highest possible degree of harmony among its members. Finally, the President of the Commission had to keep a constant watch on the needs of zoologists in matters of zoological nomenclature and on changes of opinion among zoologists in regard to these questions.

No one looking back over the history of zoological nomenclature during the inter-war years could fail to be struck by the fact that at a time when international organisations of all kinds were collapsing through internal dissensions and faulty leadership, the International Com- mission on Zoological Nomenclature had not only maintained its existence but had added greatly to its moral authority and the value of the services which it rendered to the zoological profession. The major part of this success must be attributed to the wise guidance given to the Commission by its President. Only once during Dr. Jordan’s long term

(Later reference: Paris Session, 4th Meeting, Conclusion 3)

2nd Meeting, Paris, July, 1948. 2]

of office was there any serious disagreement among zoologists on a question of zoological nomenclature. This was at the Congress held in 1930, and it was to the wise counsel in regard to the handling of the problem created by the controversy over the meaning of the expression “nomenclature binaire”’ that had been given by Dr. Jordan at the next Congress that zoologists were indebted for a solution which overcame the immediate difficulties and, it might be hoped, paved the way for a generally acceptable settlement at the present Congress. These were remarkable achievements by a remarkable man. Dr. Jordan had been a great President and every member of the Commission and every member of the general body of zoologists was in his debt.

In the sad circumstances in which the Commission found themselves, the Commission would, no doubt, feel bound to respect Dr. Jordan’s wishes and would agree, therefore, to abandon their intention of nominating him to be their President for a further term. It would be a matter of great satisfaction to every member of the Commission that, although Dr. Jordan had felt unable any longer to sustain the burden imposed by the Presidency, he had signified his willingness to serve for a further term as a private member of the Commission. All would rejoice to see his name inscribed in the list of members of the Class 1958 which had now to be established. But it was, the Acting President believed, the unanimous wish of the Commission to find some signal mark of their esteem and affection to confer upon their late President. No more appropriate recognition could be found than the submission by the Commission to the Congress of a recommendation that, as an exceptional measure, there be established an office of Honorary Life- President of the Commission and that this office be offered to Commissioner Jordan.

THE COMMISSION AGREED :—

(1) to take note with the greatest regret that Com- missioner Karl Jordan (United Kingdom) felt bound on grounds of age and infirmity to ask that he be excused from being nominated to serve as President of the Commission for a further term ;

(2) to accede to Commissioner Jordan’s request that he be not nominated to the vacant office of President of the Commission ;

(3) to place on record their great appreciation of the valuable services rendered both to the Commission and generally to the cause of zoological nomen- clature by Commissioner Jordan during his long term of office ;

22 International Commission on Zoological Nomenclature.

Nomination of Vice-President James L. Peters (U.S.A.) to be President

(4) to take note with great satisfaction that, not- withstanding his resignation of the office of President of the Commission, Commissioner Karl Jordan had consented to his name being included in the list of zoologists nominated to serve in the Class 1958 now about to be constituted ;

to signalise the esteem and affection in which they held their late President by submitting to the Congress a recommendation that, as an excep- tional measure, there be established an office of ‘“ Honorary Life-President ’’ of the Commission and that this office be offered to Commissioner Jordan as a mark of the affection and esteem felt for him by the members of the Commission and by the general body of zoologists ;

[oy |

(6) to request the Acting President to address a telegram to Commissioner Jordan, expressing their deep regret at his decision to resign the Presidency of the Commission and intimating that it was their intention to nominate him to be a member of the Commission for a further term and to invite the Congress to appoint him to the specially created office of Honorary Life- President.

19. THE COMMISSION agreed :—

to nominate Vice-President James L. Peters (U.S.A.) to be President of the Commission.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) then informed the Commission that, before leaving London to attend the present Session of the Commission, he had received a letter (dated 15th July, 1948) from - President Jordan expressing his regret at being unable personally to welcome his successor. In the same letter, President Jordan summed up his convictions regarding the great value of the high degree of international co-operation already established in zoological nomenclature. He (the Acting President) felt sure that the Commission would wish him to read aloud the last message addressed to them by their retiring President. The following was the text of President Jordan’s letter :—

My dear Hemming,

As my deafness prevents me from attending the meeting of the International Commission on Zoological Nomenclature to be held in Paris during the Thirteenth International Congress of Zoology, I am debarred from having the great pleasure personally of wel- coming my successor in the Presidency of the Commission. If the choice of the Commission falls upon Vice-President James L. Peters, the Commission will have in their new President a taxonomist

Nomination of Commissioner Francis Hemming (United Kingdom) to be Secretary to the Commission for a further term

Nomination of Commissioner Afranio do Amaral (Brazil) to be Vice- President

2nd Meeting, Paris, July, 1948. 23

of international fame in ornithology and a specialist possessing an intimate knowledge of a Class of animals and its literature, of which the nomenclature has been more intensively studied than that of any other Class of the Animal Kingdom. Vice-President Peters possesses also practical experience both of the difficulties presented by nomenclature as such and of the problems involved in meeting the diverse needs of the biological public. It is the object of the Commission both to solve those difficulties and to meet those needs, and I have no doubt that, under the guidance of the President and the Secretary, the Commission will be successful in both these tasks.

One or other of the Commissioners may at times be inclined to regret the hours spent on the consideration of nomenclatorial questions which do not directly concern his own field of study ; but the thought should ever be present in our minds that Nomen- clature is an International Language and the only international undertaking on the basic principle of which all biologists agree : the same name for the same animal in science throughout the globe. I know that there are highly intelligent biologists who look upon Nomenclature with disdain because the great fact has escaped them that in the present spiritual turmoil] in which humanity finds itself one point of general agreement, like the basic principle of Nomenclature, renders general agreement in other matters a possibility and gives humanity some hope.

With the most cordial good wishes for a successful meeting and all kind regards to the new President and Commissioners,

Yours ever,

(Signed) KARL JORDAN

20. THE COMMISSION :—

(1) took note that, in view of the fact that Com- missioner Francis Hemming, the present holder of the office of Secretary to the Commission, was a member of the Class 1949, the term of service of which would expire on the day following the close of the present Congress, the Secretaryship of the Commission would then fall vacant and that it was therefore necessary to submit a reeommenda- tion to the Congress in regard to the filling of

this office ; (2) agreed to nominate Commissioner Francis HEMMING (United Kingdom), the retiring

Secretary, to be Secretary to the Commission for a further term.

21. THE COMMISSION :—

(1) took note that, on the election of Vice-President Peters to be President of the Commission, a vacancy would arise in the office of Vice-President ;

(2) agreed that, having regard to the fact that the new President of the Commission would be a United States citizen and the Secretary to the Commission a European, it was desirable that the office of Vice-President should be filled by a Commissioner

24 International Commission on Zoolagical Nomenclature.

Abolition of

the office of Assistant Secretary as hitherto constituted and its reconstitution as a post in the Secretariat of the Commission

(Later reference: Paris Session, 2nd Meeting, Conclusion 26)

who was a national of some country situated outside North America and Europe ;

(3) agreed to nominate Commissioner Afranio do AMARAL (Brazil) to be Vice-President of the Commission.

22. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the great increase in the volume and complexity of the work of the Secretariat of the Commission which had occurred during the war years and had since been ereatly intensified made it essential that he, the part-time and spare-time Honorary Secretary to the Commission should have a highly qualified personal assistant at his immediate disposal. When in 1947 UNESCO had given a substantial grant towards the expenses of the Commission, he had hoped that it would be possible to meet this need by engaging a whole-time salaried scientific assistant. Towards the close of 1947 an experimental appointment had been made, the officer so appointed being given the title ‘** Assistant Scientific Director ’’, as the title of ‘‘ Assistant Secretary’ was not available, being reserved for an honorary official drawn from the membership of the Com- mission. It had been found however that the fact that in existing circumstances the office of Secretary to the Com- mission was an honorary post necessarily held by a member of the Commission as a spare-time appointment made it impossible for the Secretary to give sufficient supervision and guidance to a whole-time salaried official who in- evitably worked during normal office hours, i.e. at times when the Secretary to the Commission was not available, owing to his having to earn his living in a different occupa- tion. In order to give the Secretary as much relief as was possible, it was therefore necessary that in existing con- ditions he should have a spare-time assistant who could give him the help which he needed. There were serious dangers in the present arrangement by which the entire conduct of the work of the Secretariat rested upon the shoulders of a single spare-time honorary officer, as the Commission would see when they came to consider the Report by the Secretary on the work of the Secretariat of the Commission during the years 1936-1948. For the present purpose the point to be noted was that the most appropriate title for the proposed honorary spare-time assistant to the Secretary to the Commission would be that of Assistant Secretary’. This title could not however be used for this purpose, so long as it was reserved for the title of an office tenable only by a member of the Com- mission in an honorary capacity. Experience had shown

Co-operation between the Commission and Specialist Groups : Report on progress achieved since 1935

(Previous reference: Lisbon Session,

2nd Meeting, Conclusion 8)

2nd Meeting, Paris, July, 1948. 25

that, during inter-Congress periods, no duties could be. assigned to the office of Assistant Secretary as at present constituted and that its existence served no useful purpose. He (the Acting President) therefore proposed that the office of Assistant Secretary, as at present constituted, should be abolished, and that the title of Assistant Secretary should thus be made available for use where it was required, namely for the personal assistant to the Secretary. If at any time it were desired once more to raise to four the number of members of the Executive Committee of the Commission, this could readily be effected by the creation of a second post of Vice-President.

THE COMMISSION :—

(1) took note of the statement by the Acting President as recorded above ;

(2) agreed to abolish the office of Assistant Secretary, as hitherto constituted and to make the title of Assistant Secretary available for an honorary spare-time personal assistant to the honorary (part-time and spare-time) Secretary to the Commission.

23. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that at their Lisbon Session the Commission had recorded their earnest hope that specialists in particular groups of the Animal Kingdom would organise themselves for the study of nomenclature. Subsequently, this resolution had, for greater emphasis, been embodied in the Commission’s Declaration 10. He (the Acting President) was glad to be able to inform the Commission that con- siderable progress had been achieved in this field in the period which had elapsed since the Lisbon Session of the Commission, notwithstanding the difficulties inevitably created by the war. In the United States, no less than five specialist groups had been formed, namely (1) the American Committee on Entomological Nomenclature, which had been formed jointly by the Entomological Society of America and the American Association of Economic Entomologists, (2) the Joint Committee on Zoological Nomenclature for Paleontology in America, established jointly by the Geological Society of America and the Paleontological Society of America, (3) the Smithsonian Institution Committee on Zoological Nomen- clature, composed of taxonomists of (i) the United States National Museum, (ii) the Bureau of Entomology and Plant Quarantine of the United States Department of Agriculture, (iii) the Geological Survey of the United States, and (iv

26

International Commission on Zoological Nomenclature.

the Fish and Wild Life Service, (4) the Committee on Zoological Nomenclature of the American Museum of Natural History, and (5) the Committee on Zoological Nomenclature of the Chicago Natural History Museum. All these bodies had shown a keen desire to co-operate with the Commission and a number of interesting and valuable suggestions which had been received from these bodies would be placed before the Commission at later meetings of the present (Paris) Session. Further, within the last year there had been established in the United States a Society of Systematic Zoologists, the inaugural meeting of which he had had the pleasure of addressing at Chicago in the previous December. In Europe the more severe impact of the war had made it impossible for any progress to be achieved in this field during the years 1939-1945 but the specialist groups on the nomenclature of entomology and ornithology which had been established before the outbreak of war had succeeded in maintaining their existence and would, it was hoped, shortly be able to extend the scope of their activities. Finally, he had recently received a communication from Prague foreshadowing the establish- ment of a specialist group on zoological nomenclature in Czechoslovakia.

In addition to formal co-operation through the medium of organised groups, every effort had been made by himself, as Secretary to the Commission, to secure, through personal contacts and correspondence, the assistance and advice of the widest possible range of specialists. In the case of the United States and Canada these efforts had been greatly assisted by the action of Dr. Alexander Wetmore, the Secretary of the Smithsonian Institution, in inviting him to visit America last winter for the purpose of discussing with specialists at Washington and other centres in America current problems of zoological nomenclature and, in particular, those problems which were likely to be considered at the present Congress. As a result, he had been able to hold extensive discussions, and to make large numbers of contacts, with specialists at the United States National Museum at Washington, the American Museum of Natural History at New York and the Natural History Museum at Chicago. While in Chicago he had attended the annual meeting of the American Association for the Advancement of Science, at which he had met specialists from many parts of the United States. Finally, at Ottawa he had had the benefit of meeting many American paleontologists at a meeting organised by the Paleontological Society of America during the annual meeting of the Geological Society of America.

bo ~I

2nd Meeting, Paris, J uly, 1948.

THE COMMISSION :—

(1) took note of, and approved, the action taken by the Secretary to foster co-operation on questions of zoological nomenclature between the Com- mission on the one hand and specialist groups and individual specialists on the other ;

agreed that it was highly desirable that existing contacts should be maintained and strengthened and that additional specialist groups should be formed, wherever practicable.

bo

Opinions and 24. THE COMMISSION took note that the under- bd i. ened mentioned Opinions had been published since the last the Congress held at meeting of the Congress :—

aspen ua Tids (a) Opinions 124-133 in regard to questions decided by the Commission prior to its Session held at Lisbon in 1935 ;

(b) Opinions 134-181 and Declarations 10-12 in regard to questions decided by the Commission at its Session held at Lisbon in 1935 ;

(c) Opinions 182-194 in regard to questions decided by the Commission since its Session at Lisbon in 1935’;

(d) Declarations 1-9 and re-issues of Opinions 1-16, of which the original edition was out of print and unobtainable.

The programme of 25, THE ACTING PRESIDENT (MR. FRANCIS woe oor =e HEMMING) said that the Commission had a very heavy programme for its present (Paris) Session. The main

eee Ee aaiags heads of that programme had been set out in Commission 2nd Meeting, Paper I.C.(48)1, which had already been circulated to the Conclusion 2) members of the Commission. Broadly speaking, the field

to be covered included (1) the consideration of the admin- istrative and financial problems facing the Commission, (2) the reform of the composition of the Commission and the method of electing its members (for the purpose of securing that the Commission should become both genuinely representative and genuinely international in character), (3) the reform of the procedure of the Commission (for the purpose of ensuring that in future the Commission should be enabled to conduct its work more speedily and efficiently), (4) the problem presented by the use in the Regles of the expression ‘‘ nomenclature binaire (a question on which the Commission were under instructions from the last (Lisbon) Congress to submit a comprehensive report to the

28 International Commission on Zoological Nomenclature.

Report by the Secretary on the work of the Secretariat since the meeting of the Congress held at Lisbon in 1935

present meeting), (5) the amendment and clarification of the Régles, the insertion therein of provisions dealing with ~ questions not at present subject to regulation, and the incorporation into the Regles of the interpretations of various Articles of the Régles given by the Commission in Opinions rendered at various times during the last 40 years and of provisions embodying resolutions of a general character adopted by the Commission or the Congress at various meetings held since the year 1901, when the Régles in their present form were adopted. It was important also that during its present Session the Commission should reach decisions on as many as possible of the applications on individual cases now awaiting attention. In addition, it would be necessary during the course of the present Congress both to seek the concurrence of the Section on Nomenclature in the changes proposed and to prepare a comprehensive report for submission to the Congress.

THE COMMISSION :—

took note of the foregomg summary of the business to be laid before them during their present (Paris) Session.

26. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that, in accordance with precedent, the Secretary to the Commission would lay before the Com- mission a report on the work of the Secretariat since the last meeting of the Congress. On the present occasion the number of subjects to be dealt with in that report was inevitably much larger than on any previous occasion, both because—owing to the war—the exceptionally long period of 13 years had elapsed since the last meeting of the Congress and because the period to be covered by the Report was one of rapid change and development. The Report had been completed but it was mevitably a lengthy document and the Secretary had not so far been able to prepare copies for communication to the members of the Commission owing to his preoccupation with the even more urgent task of preparing papers for the consideration of the Commission on the numerous questions relating directly to zoological nomenclature on which it was desired that decisions should be taken by the Commission and by the Section on Nomen- clature during the present Session. Copies of the Report would, however, be made available as soon as possible to

the members of the Commission as Commission Paper 1.€,(48)2.

Continuing, the Acting President said that, in his capacity as Secretary to the Commission, he had given in

(Previous reference: Lisbon Session,

5th Meeting. Conclusion 10)

2nd Meeting, Paris, July, 1948. 29

his Report a comprehensive account of the work of the Secretariat of the Commission from October, 1936, the date on which he was elected to the Secretaryship up to the eve of the present’ Congress, to which he had added such particulars as were available in respect of the period September, 1935, to October, 1936, during which the Secretaryship of the Commission had been vacant. The subjects dealt with in the Report included an account of :—

(1) the administrative and financial problems im-

63

(4

(7

)

)

~~

~

~—

mediately raised by the transfer of the Secretariat of the Commission from Washington to London consequent upon the election of the present Secretary in 1936 and the arrangements made for the audit of the accounts of the Commission by a firm of Chartered Accountants ;

the arrangements made prior to the outbreak of war in 1939 for raising a small fund with which to make a start with the reorganisation of the Secretariat ; the decisions taken in regard to the reorganisation of the Secretariat of the Commission and matters alhed thereto at the Plenary Conference between the President of the Commission and the Secretary to the Commission held in London on 19th June, 1939, in accordance with a decision taken by the Com- mission at Lisbon in 1935 ;

the commencement in August, 1939, of the direct publication by the Commission of its Opinions and the price policy adopted in regard to the sale of the Commission’s publications ;

the interruption in the work of the Secretariat of the Commission consequent upon the outbreak of war in Europe in September, 1939; the arrangements then made by the Secretary to maintain contact with the members of the Commission to the full extent practicable and to ensure, so far as possible, that the work of the Commission should not be brought to a standstill if the Secretary and President were killed or disabled as the result of air attack ; the arrange- ments made to ensure the safety of the records of the Commission from loss by air attack or fire ;

the arrangements made in 1942 for the reopening of the Secretariat and the decision to recommence the publication of Opinions on questions on which decisions had been taken by the Commission before the outbreak of war in 1939 ;

the establishment in May, 1943, of the Bulletin of Zoological Nomenclature as the Official Organ of the Commission for the publication of applications

30

International Commission on Zoological Nomenclature.

co

(13)

(14)

received by the Commission, in order to provide zoologists with full information regarding matters under consideration by the Commission ;

the issue in July, 1943, of an Appeal for a Fund of £1,800 to enable the Commission to clear off the most urgent of its arrears of printing ;

the decision in 1943 to publish as soon as possible an authoritative edition of the substantive French text of the Regles together with a literal English translation ;

the decision in 1943 to issue the Official List of Generic Names in Zoology ”’ in book form with full bibliographical data ;

the decision in 1943 to embody in Declarations certain important resolutions adopted at. various times by the Commission and the Congress which had been largely overlooked through never having been published elsewhere than in the Proceedings of the Congresses concerned; the decision to begin the re-publication (announced in 1939) of the older Opinions which were out of print and unobtainable ;

the decision in 1943 to complete Opinions on questions on which voting had begun prior to the outbreak of war in 1939 but on which the required number of votes had not been received by that time ;

the decision in 1943 to devote the whole of Volume 2 of Opinions and Declarations rendered by the International Commission on Zoological Nomen- clature to the Opinions and Declarations adopted by the Commission at Lisbon in 1935 and to commence the concurrent publication of Volume 3 of the same work for Opimions adopted by the Commission after their Lisbon meeting ;

the rapid growth from 1943 onwards in the number of applications submitted annually to the Com- mission and in the volume of correspondence handled annually in the Secretariat ;

the changes introduced during the war in the method of electing members of the Commission ;

the decision in 1946 to establish a corporation to hold the assets of the Commission and to enter into contractual obligations on its behalf; the establish- ment for this purpose in February, 1947, of a corporation formed under United Kingdom law with the title “International Trust for Zoological

Thanks of the ommission to the Right Hon. Walter Elliot for accepting the Chairmanship of the International Trust for Zoological Nomenclature

Thanks of the Commission to the Smithsonian Institution,

Washington, D.C.

VOL.4F

2nd Meeting, Paris, July, 1948. al Y y

Nomenclature”; the acceptance of the Chairman- ship of the Trust by the former British Cabinet Minister, the Right Hon. Walter Elliot ;

the offer to the Commission by UNESCO in April, 1947, to make, subject to certain conditions, a grant not exceeding $10,936 for the year 1947 and a similar grant not exceeding $10,600 for the year 1948 ; :

the visit to the United States and Canada paid by the Secretary to the Commission in December, 1947, on the invitation of the Secretary of the Smithsonian Institution, Washington, D.C., for the purpose of discussing problems of zoological nomenclature, in particular those to be considered at the Paris Meeting of the International Congress of Zoology ; the administrative problems involved in organising an office dealing with a large volume of work and employing a whole-time salaried staff supervised by an honorary spare-time (and part-time) Head.

er

THE COMMISSION :—

(1) took note of the summary given by the Acting President, as indicated above, of the Report on the work of the Secretariat of the Commission during the period 1935-1948, which he had prepared, in his capacity as Secretary to the Commission (Commission Paper I.C.(48)2), and approved the action so taken ;

(2) agreed to recommend that the Report referred to in (1) above should be submitted to the Congress.

27. THE COMMISSION agreed :—

to invite the Acting President to send a telegram in their name expressing their thanks to the Right Honourable Walter Elliot, M.P., F.R.S., for having consented to accept the Chairmanship of the Inter- national Trust for Zoological Nomenclature.

28. THE COMMISSION agreed :—

to invite the Acting President to convey to the Secretary of the Smithsonian Institution, Washington, D.C., an expression of their thanks for the invitation extended to the Secretary to the Commission to visit Washington and other centres in North America in December, 1947, for the purpose of discussing problems of zoological nomenclature with American zoologists in preparation for the Session of the Commission to be held in Paris during the present Congress.

32 International Commission on Zoological Nomenclature.

Thanks of the Commission for donations received

Thanks of the Commission to

UNESCO

Preliminary report on the work of the Commission during its first and second meetings to be submitted orally to the Section on Nomenclature as soon as possible

(Previous reference: Paris Session,

lst Meeting, Conclusions 1-7) (Previous reference: Paris Session,

2nd Meeting,

Conclusions 1-30)

29. THE COMMISSION agreed :—

to place on record their grateful thanks to all Govern- ment Agencies, Museums and other Scientific Institu- tions, Learned Societies and individual zoologists and paleontologists in all parts of the world who, during the period 1938-1948, had assisted the work of the

Commission

by making donations to its funds.

30. THE COMMISSION agreed :—

(1) to place on record their warm appreciation of the interest in, and the understanding of the needs of, their work shown by UNESCO and their most

grateful

thanks for the munificent subvention

made to their funds by UNESCO in the year 1947 and for the continuation of that support in the year

1948 ;

(2) to invite the Acting President to convey the foregoing resolution to UNESCO on behalf of the Commission.

31. THE COMMISSION agreed :— to invite the Acting President to take an early

opportunity

(a) to submit a report orally to the Section on Nomenclature :—

(i)

(ii)

on the matters recorded in the Con- clusions of the First Meeting of the Commission during its present Session in regard to the attendance of members of the Commission at the present Session, the election of Alternate Members of the Commission for the duration of the present Session, and the throwing open of the meetings of the Commission to all members of the Congress ;

on the matters discussed at the Second Meeting of the Commission during its present Session in regard to the business to be dealt with during the present Session, the changes in the membership of the Commission, in the Offices of the Commission and in the holders of those offices which had occurred since 1935, the exceptional measures taken during the war to secure continuity in the work of the Commission and to preserve the records of the Commission from destruc-

2nd Meeting, Paris, J uly, 1948. 33

tion, the action proposed to be taken to afford to German and Japanese zool- ogists a fresh opportunity to indicate by whom they desire to be represented on the Commission, the establishment of the

5 new Class 1958 in the membership of the Commission and the nominations of zoologists for election thereto, the resig- nation of President Karl Jordan and the nomination of Vice President James L.. Peters in his place, the nomination of Commissioner A. do Amaral to be Vice- President, the proposed re-election of Commissioner Francis Hemming to be Secretary to the Commission, the pro- posed change in the status of the office of Assistant Secretary, the action taken since 1935 to promote co-operation be- tween the Commission and specialist groups established for the study of particular aspects of zoological nomen- clature, the publication of Opinions and Declarations since 1935, the Report by the Secretary on the work of the Secretariat in the period 1936-1948, the resolutions of thanks to the Right Hon. Walter Elliot for accepting the Chair- manship of the International Trust for Zoological Nomenclature, to the Smith- sonian Institution, Washington, D.C., for inviting the Secretary to the Com- mission to visit America in December in 1947 for the purpose of discussing current problems of zoological nomen- clature, to institutions and individuals in all parts of the world for making donations to the funds of the Commission, and finally the resolution of appreciation and thanks to UNESCO for the munif- cent subvention made to the funds of the Commission in 1947 and for its renewal in 1948 ;

(b) to invite the Section on Nomenclature : (i) to take note of the matters reported under (a) above ;

(ii) to signify their approval of the action taken by, or, as respects action taken during the war 1939-1945, on behalf of

VOL, 4 F?

34 International Commission on Zoological Nomenclature.

Preliminary reports on the work of the Commission at its third and subsequent meetings to be submitted to the Section on Nomenclature as soon as practicable after the close of those meetings

(Previous reference: Paris Session,

Ist Meeting, Conclusion 7)

(Later reference: Paris Session, llth Meeting, Conclusien 5)

the Commission, in the case of those matters which require such approval ;

(ii) to approve the recommendations sub- mitted by the Commission as regards certain action now proposed to be taken ;

(iv) to recommend the Congress to approve and confirm the action taken by the Commission as respects the matters referred to in (ii) and (iii) above ;

(v) to submit to the Congress the Report on the work ‘of the Secretariat of the Com- mission during the period 1936-1948 prepared by the Secretary to the Com- mission (Commission Paper I.C.(48)2).

32. THE COMMISSION agreed :—

(1)

that, in order to give the Section on Nomenclature the fullest opportunity for considering matters on which the Commission wished to submit recom- mendations, it was desirable to abandon the practice followed by the Commission at former meetings of the Congress under which the recommendations formulated by the Commission were submitted en bloc in the Report prepared by the Commission for submission to, and approval by, the Congress, at a joint meeting of the Section and the Commission held near the close of the Congress, and in its place to adopt a procedure which would secure that recommendations form- ulated by the Commission were submitted to the Section at the earliest possible moment after they had been agreed upon by the Commission ;

in pursuance of the policy laid down in (1) above to invite the Acting President, in his capacity as Secretary to the Commission, to take the first practicable opportunity after the close of their third and subsequent meetings during the present Session, where those meetings were not themselves meetings held jointly with the Section on Nomen- clature, to submit orally to the Section the recommendations agreed upon by the Com- inission on the basis of the documents submitted to the Commission and the Section as Commission Papers of the I.C.(48) Series or otherwise, thereby enabling the Section to reach conclusions thereon in advance of the submission for their considera- tion of the draft of the Report to be submitted by the Commission to the Congress.

Arrangements for the preparation of the Report to be submitted to the Congress

Composition of the Commission and the method of nominating its members

(Later reference: Paris Session, 3rd Meeting, Conclusions 1-11)

Ww oO

2nd Meeting, Paris, July, 1948.

33. THE COMMISSION agreed :—

(1) that the Report to be submitted by the Com- mission to the Congress should include references to the more important of the matters taken note of, or agreed upon, as the case might be, during the first and second meetings of the Commission during its present Session ;

(2) to invite the Acting President to commence the preparation of- the drafts of the paragraphs dealing with the matters referred to in (1) above to be included in the Report to be submitted by the Commission to the Congress.

34. THE COMMISSION had before them a memoran- dum by the Secretary to the Commission (Commission Paper 1.C.(48)3) on the composition of the Commission and the method of nominating its members. After giving a historical sketch of the developments which had occurred in these matters at various times since the establishment of the Commission, this paper set out a number of recom- mendations submitted by the Executive Committee of the Commission in regard to various allied, but distinct, aspects of the problem involved in securing for the Commission a more genuinely representative and international character than it at present possessed.

In the preliminary discussion which ensued, the view was expressed that the time had come when changes should be made on the lines suggested by the Executive Com- mittee. Care would need to be taken, however, to ensure that these changes did not hamper the Commission’s freedom of choice in selecting zoologists to be members of the Commission or otherwise impair the efficiency of its work.

At this point, the Acting President recalled that at 1645 hours the Municipality of Paris was giving a reception at the Hdétel de Ville to the foreign members of the Congress. As many of the members of the Commission no doubt wished to attend this function, he accordingly proposed that the present meeting should be brought to a close and that at their next meeting the Commission should resume consideration of the proposals now before them.

THE COMMISSION agreed :—

to postpone to their next meeting the further con- sideration of the proposals relating to the composition of the Commission and the method of nominating its members submitted in Commission Paper I.C.(48)3.

36 International Commission on Zoological Nomenclature.

Place of meetings of the Commission during its Paris Session

Third and Fourth meetings of the Commission during its Paris Session : dates and times appointed

35. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) informed the Commission that he had been notified by the Secretary-General of the Congress that the Amphithéatre Louis-Liard, where they were now meeting, had been placed at the exclusive disposal of the Section on Nomenclature for the remainder of the Congress. As President of the Section, he (the Acting President of the Commission) proposed to call meetings of the Section at times which would be convenient to those zoologists who had notified him of their desire to make communications to the Section and which at the same time would not conflict with the meetings of the Commission. Thus, the Amphithéatre Louis-Liard would be available for the remainder of the Congress as the meeting place of the Commission.

THE COMMISSION :—

took note that for the remainder of the present (Paris) Session all their meetings would be held at the Sorbonne in the Amphithéatre Louis-Liard.

36. THE COMMISSION agreed :—

(1) that the Third Meeting of their Paris Session should be held on the evening of the same day at 2030 hours ;

(2) that the Fourth Meeting of their Paris Session should be held at 0900 hours on the morning of the following day, Thursday, 22nd July, 1948.

(The Commission thereupon adjourned at 1640 hours.)

(37 )

INTERNATIONAL COMMISSION on ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth International Congress of Zoology,

Paris, 21 st-27th J uly, 1948

CONCLUSIONS of the Third Meeting held at the Sorbonne in the Amphitheatre

Louis-Liard on Wednesday, 21st July. 1948 at 2030 hours

PRESENT :

Mr. Francis Hemming (United Kingdom) (Acting President) Professor H. Boschma (Netherlands)

Professor J. Chester Bradley (U.S.A.)

Professor L. di Caporiacco (Italy)

Mr. N. D. Riley (United Kingdom)

Professor V. van Straelen (Belgium)

Professor Robert L. Usinger (U.S.A.)

The following were also present : Dr. Ellsworth C. Dougherty (U.S.A.) Professor Kamel Mansour (Egypt)

Mrs. M. F. W. Hemming, Personal Assistant to the Secretary Miss J. H. Shorey, Acting Documents Officer

irene at the 1. THE COMMISSION resumed their consideration of Commission and the the recommendation submitted by the Executive Committee

nature of its composition

(Previous reference: Paris Session,

2nd Meeting,

in Commission Paper I.C.(48)3 for the removal of the present upper limit to the membership of the Commission. This proposal was put forward on two grounds: (1) to make it possible for the zoologists of any country in which

Conclusion, 34) any considerable body of zoological work was being con-

(Later reference:

Paris Session. 3rd Meeting,

Conclusions 4-10)

ducted to be afforded direct representation on the Com- mission ; (2) to secure that in other respects also the composition of the Commission was such that it was thoroughly representative both of the various types of knowledge and experience requisite for the work of the Commission and also of the needs of the various classes of workers (both systematic and other) who were concerned with zoological nomenclature. In the same paper the Executive Committee had made it clear that, if changes were to be made in the composition of the Commission on the lines which they recommended, it would, in their view, be essential also that certain changes should be made simultaneously in the rules of procedure of the Commission. Recommendations by the Executive Committee on this latter subject had been submitted to the Commission in Commission Paper I.C.(48)4.

The following points were made in the course of the ensuing discussion ;—

38

International Commission on Zoological Nomenclature.

(a) There was clearly a desire among the zoologists

of a number of countries to be given an opportunity of being directly represented on the Commission. Subject to appropriate safeguards and, in particular, to the simultaneous introduction of consequential changes in procedure, such an increase in the size of the membership would be a source of strength to the Commission, for it would make the Commission both more representative and also more genuinely inter- national in character. Further, it would provide a means of diffusing knowledge of the Régles and therefore of promoting their more general applica- tion in countries which under the existing system were not directly represented on the Commission.

(b) If the zoologists of any given country were to be

(c)

afforded representation on the Commission, it was most desirable that any zoologist elected to be their representative on it should not only possess the personal qualities requisite to make him an efficient member of the Commission but should also occupy a position in his own country which would make him generally acceptable to his fellow-workers as their representative.

If the Commission was to continue to act effectively as a corporate body, it was very important that it

- should retain, both on its own behalf and on that of

the Congress, a sufficient degree of control over the selection of persons to be elected as Commissioners. It would be most unfortunate if a situation were to be allowed to develop in which the Commission consisted solely of persons selected by national groups of zoologists and acting solely as the repre- sentatives of those groups. It was most important that in the future, as in the past, members of the Commission, while taking due account of views expressed by zoologists who were fellow-countrymen of theirs, should nevertheless approach their duties in a spirit of independence and impartiality.

(d) It was essential that the scheme now to be adopted

should be such as would not only provide for the adequate representation of zoologists of particular countries but would also enable the Commission to call to its membership any outstanding zoologist who, they might consider, could assist them in their work, irrespective of whether that zoologist was a national of a country which was represented on the Commission. Similarly, the Commission should be

3rd Meeting, Paris, J uly, 1948. 39

free to invite an outstanding specialist to be a member of the Commission where that specialist Was a national of a country already represented on the Commission but had not been nominated by the zoologists of his own country to be their represen- tative. In the modern world there were also many eminent men who were forced by circumstances to live in exile or who through force of circumstances had become stateless. It would be wrong if the Commission were to be debarred from calling to their counsels zoologists so placed.

(e) It was important also to ensure the continuance in the future of the policy followed in the past of securing an appropriate balance in the membership of the Commission as between -—

(i) the representation of zoologists of one part of the world and those of another ;

(ii) specialists in one part of the Animal Kingdom and those of another :

(ui) the interests of systematic zoology on the one hand and those of the applied biological sciences (such as medicine, agriculture, veterinary science, horticulture, ete.) on the other ;

(iv) specialists in living forms and paleozoologists.

The COMMISSION agreed to recommend :—

ares ot (1) that, subject to the simultaneous adoption of “ed Metiing.” appropriate changes in the Commission’s rules of Conclusions 5-9 ; procedure, the Commission should cease to be a

12th Meeting,

Conclusion 15) body with a fixed membership of 18 Commissioners

and that in lieu of this system there should in future be set a minimum membership of 18 but that there should be no maximum upper limit to the membership ;

(2) that, so far as is practicable, the composition of the Commission should be such as to secure :—_

(a) that zoologists in any country in which any considerably body of zoological work was being conducted should have an opportunity of being directly represented on the Commission ;

(b) that there should be an appropriate equilibrium in the representation on the Commission of zoologists of one part of the world and those of other parts of the world :

40 International Commission on Zoological Nomenclature.

Method to be followed in the nomination and election of members of the Commission

(c) that the membership of the Commission should include specialists in the principal divisions of the Animal Kingdom ;

(d) that the membership of the Commission should include an appropriate representa- tion of specialists in paleozoology ;

(e) that there should be an adequate represen- tation in the membership of the Commission not only of the needs and wishes of workers in systematic zoology but also of those of workers in the applied biological sciences (e.g., medicine, agriculture, veterinary science, horticulture, etc.), who, as the users of zoological names, were directly interested in the problems of zoological nomenclature ;

(3) that, in order to give effect to recommendation (2) (a) above, the Commission should be authorised to elect to its membership a specialist or specialists to represent zoologists or workers in the applied biological sciences who were nationals of any country which at the time in question was either unrepresented on the Commission or for which the existing representation was, in the opinion of the Commission, inadequate, provided that, in the former case, the Commission were satisfied that a considerable body of zoological work was being conducted in the country concerned ;

(4

~—

that, in order to give effect to recommendations (2) (b) to (2) (e) above, the Commission should be authorised on its own motion to invite individual specialists to be members of the Commission, irrespective of the nationality of the specialists concerned.

2. THE COMMISSION then turned to consider the recommendations in regard to the method to be followed in the nomination and election of members of the Com- mission submitted by the Executive Committee in Commission Paper I.C.(48)3.

The following points were made in the course of the ensuing discussion :—

(a) It was necessary that the scheme to be adopted should distinguish between the method to be followed in nominating candidates for election to the Commission ;—

3rd Meeting, Paris, July, 1948. 4]

(i) where it was desired that the zoologist in question, when elected, should act also as the representative of the zoologists of the country

of which he was a national ;

(ii) where it was not desired that the zoologist in question, when elected, should be the representative of a national group of zoologists, but where the Commission. itself desired to call the zoologist in question to its membership by reason of his possessing special knowledge or experience which, in the opinion of the Commission, would be of value to their work.

(b) There were wide differences in the way in which

(c

~

zoologists were organised in different countries. It was important, therefore, that the rules to be made for the selection of the type of body to be consulted for the purpose of ascertaining the views of the zoologists of any given country on the question of the selection of a representative to serve on the Commission should be sufficiently elastic to provide for the differences in the conditions obtaining in one country as compared with another. This was a matter of great importance, for a channel of con- sultation which would be an appropriate, and, in some cases, the only appropriate, channel for one country would be inappropriate or totally im- practicable in the case of another country.

It was desirable that, so far as might be found practicable, consultations in regard to the nomina- tion of zoologists to be representative members of the Commission should be conducted through important bodies in close touch with zoological work or with work in applied zoology in the country concerned (such as leading Museums, scientific institutions and learned societies) rather than through bodies which, though of high status, were in less close touch with current work (such as National Academies of Science, Government Departments, etc.).

(d) The fact that, under the new system, some of the

members of the Commission would represent the zoologists of the countries of which they were nationals must not be allowed to create a situation in which the members concerned regarded themselves solely or principally as the delegates of the zoologists of their respective countries, It was essential to maintain the principle that, when the Commission was considering any application submitted to it for decision, it should approach its duty objectively in

42 International Commission on Zoological Nomenclature.

(Later reference : Paris Session, 12th Meeting, Conclusion 15)

(Previous reference: Paris Session,

3rd Meeting, Conclusion 1 (3))

fecaseoe!

a strictly judicial spirit, each Commissioner examin- ing impartially the evidence submitted and recording his vote in the light solely of that evidence and of the relevant considerations involved thereby.

The adoption of the representative principle must not be carried to a point at which the Commission would lose control over the selection of persons to be elected as Commissioners, for it would not always happen that the consultative method would provide candidates possessed both of high professional distinction and of the personal qualities requisite to make an efficient member of the Commission.

At the close of the discussion, THE COMMISSION

agreed to recommend :—

(1) that every application for the election of a member

of the Commission to be the representative of the zoologists of a particular country not at that time represented on the Commission or, where the zoologists of a country were so represented, for the election of an additional representative or repre- sentatives, should be submitted to the Commission either by some leading scientific institution or learned society of that country or by the National Academy of Science of that country or by a Govern- ment Agency of that country or through that country’s diplomatic representative in the country in which the headquarters of the Commission were situated, and that no application submitted other- wise than as specified above should be taken into consideration ;

that every application received by the Commission for the election of a member of the Commission to represent the zoologists of a given country should be referred forthwith to the Executive Committee of the Commission, whose duty it should be to satisfy itself, on behalf of the Congress :-—

(a) that the body signatory to the application was adequately representative of the zoologists of the country concerned ;

(b) that, having regard to the conditions proposed to be attached to the election of members of the Commission to represent zoologists of particular countries, there were grounds which would justify the election of such a member or, where the zoologists of the country con- cerned were already represented on the Com- wission, of an additional representative ;

ee

Ce ey ee

(Previous reference: Paris Session,

3rd Meeting, Conclusion 1(2))

(Previous reference: Paris Session,

3rd Meeting, Conclusion 1(4))

3rd Meeting, Paris, July, 1948. 43

(3)

(4)

or

(6

~~

(8)

(c) that the candidate proposed for election was personally possessed of the technical know- ledge, experience, energy and other qualifica- tions requisite for the performance of the duties of a member of the Commission ;

(d

that the proposed election would not conflict with the principle already agreed upon that a due balance of Seographical or other qualifica- tions shall be maintained in the membership of the Commission ;

that, where the Executive Committee were satisfied on all the matters specified in (2) above, they should thereupon elect the proposed candidate to be a member of the Commission :

that, where the Executive Committee were satisfied in regard to the matters specified in (a), (b) and (c) of (2) above but not in regard to the matter specified in (d) of (2) above, they should nevertheless be free to elect the proposed candidate to be a member of the Commission, provided that at the same time they elected also another zoologist: to be a member, or other zoologists to be members of the Commission, in order to maintain the required balance of geo- graphical and other qualifications in the membership of the Commission :

that, where the Executive Committee were not satisfied in regard to all the matters specified in (a), (b) and (ec) of (2) above, they should refuse to elect the candidate proposed ;

that the Executive Committee should be free at any time to elect any zoologist to be a member of the Commission, irrespective of his nationality, where they were satisfied that, by reason of the special knowledge and experience possessed by the zoologist in question, his election would be of value to the work of the Commission :

that, where, through death, resignation or removal, & vacancy arises in the membership of the Com- mission, the Executive Committee should either itself nominate a zoologist to fill the said vacancy or should invite the authority or authorities specified in (1) above as the case may be, to submit the name of a candidate to fill the said vacancy ;

that, where the Executive Committee invite an authority or authorities in a given country to submit the name of a candidate to fill a vacancy in the Commission arising from any of the causes specified

44 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session,

3rd Meeting, Conclusion 2(2) (c))

Arrangements to be made for Commissioners periodically to submit themselves to re-election

(Later reference : Paris Session, 12th Meeting, Conclusion 15)

in (7) above, the Committee, on receiving such a nomination, shall satisfy themselves regarding the personal qualifications of the candidate proposed in like manner as that to be followed in cases where they receive an application for the election of a zoologist to be a member of the Commission to represent the zoologists of some country not at that time represented on the Commission ;

(9) that immediately upon the Executive Committee electing a zoologist to be a member of the Com- mission, the said election shall be promulgated in the Bulletin of Zoological Nomenclature ”.

3. THE COMMISSION considered next the conditions under which the members of the Commission were required periodically to offer themselves for re-election and in this connection had before them the recommendations submitted by the Executive Committee in Commission Paper I.C.(48)3 (paragraph 2 (8) ). Ever since the meeting of the Congress held in Berne in 1904, each member of the Commission had been elected for a period of nine years, one of the three Classes into which the membership of the Commission was divided being renewed at each meeting of the Congress. This system had worked satisfactorily, so long as the Con- gress had continued to meet regularly at intervals of three years, but had been thrown out of gear by the war of 1914-18. From that time onwards the Commission itself had had to take over from the Congress the duty of renewing one Class at the end of each three-year period (calculated from 1903, the year as from which the system had been in operation), subject, in the case of years in which the Congress met, to the term of service of the Class having the longest service being brought to a close, irrespective of whether it had completed its full nine-year term. As pointed out in the paper circulated, still further adjustments would need to be made if the Class system were to be retained, for, now that the Commission was no longer to have a fixed member- ship, the total number of members at any given time would not necessarily be divisible by three.

In the discussion which ensued it was generally agreed that it was essential to maintain the principle that members of the Commission should be required periodically to offer themselves for re-election. On the other hand, it was felt that now that the Congress no longer met at regular three- yearly intervals, the system by which one Class was renewed every three years had outlived its usefulness. It would be

3rd Meeting, Paris, J uly, 1948, 45

better to introduce a simpler scheme by which the term of service of one-third of the members of the Commission was brought to a close at each meeting of the Congress,

irrespective of the Congress.

the intervals between successive meetings of

THE COMMISSION agreed to recommend :—

(1) that the present system under which the mem ber- ship of the Commission was divided into three Classes, the term of service of the Class having the longest service being terminated at the end of every third year calculated from the year 1903 or at the meeting of each successive Congress, whichever was the earlier, should be abolished and that the following system be instituted in its place :—

(a) For the purpose of determining the order in

which each member of the Commission is to complete his term of service as such, there shall be established a list in which the names of the members of the Commission are to be inscribed in the order in which each was elected to be a member of the Commission.

(b) A Commissioner who has been elected for a

second or greater number of terms of service is to take precedence for the purpose of (a) above as from the date on which he was last elected a member of the Commission.

Where, on their first election, two or more zoologists are elected to be Commissioners on the same day, their names shall be placed in alphabetical order on the list referred to in (a) above, but where two or more Com- missioners are re-elected on the same day for a further term of service, they shall retain in relation to one another their former relative seniority.

(d) At each meeting of the Congress the term of

service shall be terminated of one-third of the total membership of the Commission or, if that number is not a whole number, the next highest whole number, the Com- missioners whose term of service is to be so brought to a close being those who have served the longest since being elected a member of the Commission or since having last been so re-elected as the case may be.

(2) that the four members of the Class 1949, which would complete its term of service on the day

46 International Commission on Zoological Nomenclature.

(Previous reference : Paris Session,

2nd Meeting, Conclusion 17)

Grant of leave of absence to, and removal of, Commissioners in certain circumstances

(Previous reference: Paris Session,

2nd Meeting, Conclusion 5)

following the last day of the present (Paris) Congress, namely, Commissioners Cabrera (Argen- tina), Hemming (United Kingdom), Jordan (United Kingdom) and Pearson (Australia), whom at the meeting noted in the margin it had been agreed to nominate to the new Class 1958, and Professor R. Sparck (Denmark) who at the same meeting it had been agreed should be nominated to the same Class, should under the new system recommended under (1) above, be, in the case of the first four of the zoologists concerned, re-elected and, in the case of Professor Spirck, elected to be members of the Commission for a term of service commencing on the day following the close of the present Congress.

4. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that in 1939 the Commission had agreed to create two additional posts of officer (Vice- President and Assistant Secretary) and that in consequence a need for the revision of the By-Laws had arisen. The outbreak of war in that year had made it impossible to go far with this revision, but at the end of the war he, in his capacity as Secretary to the Commission, had taken up this matter again, by correspondence, with the members of the Commission. He had found that it would be impractic- able to confine the proposed revision of the By-Laws to the points that he had noted in 1939, for the existing text, which had remained virtually unchanged since its adoption by the Commission at their session held during the meeting of the Eighth International Congress of Zoology at Graz in 1910, was incomplete and thoroughly obsolete, containing, for example, no reference to the additional powers conferred upon the Commission by the Ninth International Congress of Zoology at its meeting held at Monaco in 1913 (in relation to the suspension of the Régles in certain cases) or to the additional duties imposed upon the Commission by the same Congress (in connection with the compilation and maintenance of the Official List of Generic Names in, Zoology”). The provisions in the By-Laws relating to the procedure of the Commission had been thoroughly inadequate even at the time when those By-Laws were adopted at Graz, and had been rendered obsolete three years later by the decisions taken by the Monaco (1913) Congress in regard to the procedure to be followed by the Commission when dealing with cases involving the use of their plenary powers. It had been evident, therefore, that the By-Laws required a thorough and far-reaching revision. It had appeared to him (as the

(Previous reference: Paris Session,

2nd Meeting, Conclusion 9(3))

(Later reference: Paris Session, 3rd Meeting, Conclusion 6)

VoL. 4G

3rd Meeting, Paris, July, 1948. 47

Secretary to the Commission) that advantage of the opportunity presented by the need for the revision of the By-Laws should be taken to secure other much needed reforms, subject, ‘where necessary, to the subsequent approval of the Congress. These reforms included the adoption of provisions (1) for the removal of Commissioners who, by being cut off from postal communication with the headquarters of the Commission, were unable to perform their duties as Commissioners, and (2) for the repeal of the obsolete and undemocratic Liberum Veto in cases relating to preposed amendments of the Régles, which, in a moment of lack of confidence, the Commission at Graz in 1910 had gratuitously imposed upon themselves to the great detriment of the efficiency of the Commission as an organisation. On the first of these questions the Commission during its present Session had agreed upon a recommendation to be submitted to the Congress, while, on the second, a recom- mendation was included in paragraph 6 (1) of the paper (Commission Paper I.C.(48)4) now before the Commission and would be considered later during the present meeting. Other reforms which had been considered in 1945 were (a) the inclusion in the By-Laws of a compulsory age-limit for the retirement of Commissioners and (b) the adoption of a provision that any Commissioner who over a specified period consistently failed to perform his duties as such should automatically be removed from his membership of the Commission. The first of these provisions was within the powers of the Commission to enforce, but the enactment of the second required the approval of the Congress. The point was of some practical importance, for there had been several occasions when the effective voting strength of the Commission had been unnecessarily impaired through the lack of powers to remove a Commissioner who on account of old age, ill-health or other reasons consistently failed to discharge the duties of his office. It was proposed that the Congress should now be asked to approve a provision under which any Commissioner who failed on five successive occasions to record his vote on a proposed Opinion or Declaration would be liable to have. his name removed by the Executive Committee from the list of members of the Commission, save where, within a specified period, the Commissioner in question furnished to the Committee an explanation which they accepted as sufficient. A member of the Commission might be unable to discharge his duties for a year if he were granted a Sabbatical Year for the purpose, for example, of taking part in some scientific expedition. In such a case, the Commission should have power to appoint a temporary substitute member to act for the Commissioner granted leave in this way. Where,

48

Tmernational Commission on Zoological Nomenclature.

however, a Commissioner either failed to furnish any excuse or furnished an explanation not regarded as satisfactory by the Executive Committee, his place should immediately be filled. It was desirable also to take the present opportunity to ask the Congress to approve a provision for the automatic removal of a Commissioner when found to be suffering from any of the disqualifications specified, in relation to members of the International Trust for Zoological Nomenclature, in Article 41 of the Articles of Association of that corporation. The disqualifications, which were of a common form nature, arose when a member (1) was convicted in a Court of Law and sentenced to a term of imprisonment, (2) became bankrupt, or (3) was found lunatic or became insane. There should also be provision for a member of the Commission to vacate his office by giving notice in writing that he had resigned his membership of the Commission. The present By-Laws contained no provision on this subject, and much time had been wasted in the past in such cases while the Commission debated (by correspondence) whether a resignation stared from a Commissioner should be accepted.

In the ensuing discussion there was general agreement regarding the need for provisions of the kind outlined above. The view was expressed also that the power to remove a Commissioner who failed to vote on a number of successive occasions would be valuable not only as providing a means for keeping up the voting strength of the Commission’ but also as a means for eliminating from the membership of the Commission persons who might have been nominated to be representative members without having any real interest in zoological nomenclature, for such persons would almost certainly become liable to removal from the Commission under this provision.

THE COMMISSION agreed to recommend :—

that the regulations governing the membership of the Commission should contain the following provisions for the grant of leave of absence to members of the Commission and for the removal of Commissioners from their office on incurring any of the disqualifica- tions specified below :—

(a) Where a member of the Commission notifies the Secretary to the Commission that he will be unable to perform his duties as a Com- missioner for a specified future period by reason, for example, of taking part in a scientific expedition, the Secretary shall immediately report the receipt of this communication to the

Reform of the rules of procedure of the Commission

(Previous reference: Paris Session,

3rd Meeting, Conclusion 1)

VOL, 4 G?

drd Meeting, Paris, July, 1948, 49

Kxecutive Committee who may thereupon grant leave of absence to the Commissioner concerned for a specified period and may appoint in his place a substitute to act as an Alternate Member of the Commission, who, while so officiating, shall possess all the rights, privileges, duties and obligations prescribed for an Alternate Member appointed to serve as such during a session of the Commission held during a meeting of the Congress.

‘b) Where a member of the Commission, not being a member to whom leave of absence has been granted in accordance with the provisions of (a) above, fails on five successive occasions to record his vote on a proposed Declaration or a proposed Opinion, the name of that member shall be removed from the list of members of the Commission on the expiry of a period of three calendar months calculated from the date of the last such failure, unless in the meanwhile the Commissioner concerned has furnished to the Secretary an explanation in writing and the Executive Committee, on considering that explanation, directs that the name of the Commissioner in question be not removed from the list of members of the Commission.

~—

(c) The office of a member of the Commission shall be vacated :—

(i) if, on conviction in a Court of Law, other than a Court established in time of war by an Occupying Power, he is sentenced to a term of imprisonment ;

(ii) if he becomes bankrupt ;

(iii) if he is found lunatic or becomes insane ; (iv) if by notice in writing he resigns his membership of the Commission.

5. THE COMMISSION had before them a memorandum by the Secretary to the Commission (Commission Paper 1.C.(48)4) relating to the need for introducing reforms in the procedure of the Commission in order both to adjust that procedure to meet. the situation created by the proposed increase in the size of the Commission and also to ensure that in the future the Commission should be in a position to discharge its duties with promptness and efficiency. The paper submitted to the Commission contained proposals under both these heads which had been formulated by the Executive Committee for the considera- tion of the Commission.

7

50 International Commission on Zoological Nomenclature

Reform of the voting procedure of the Commission

(Previous reference: Paris Session,

3rd Meeting. Conclusion 1)

THE COMMISSION agreed :—

to consider separately each of the principal issues raised in regard to the procedure of the Commission in Commission Paper I.C.(48)4.-

6. THE COMMISSION had under consideration the proposals for the reform of their voting procedure sub- mitted by the Executive Committee in Commission Paper I.C.(48)4 and summarised in paragraph 6 (1) of that paper. In this connection the Commission recalled that they had already agreed in principle that, if for no other reason, certain changes in their voting procedure were necessary in view of the decision to increase the size of the Commission.

The discussion of these proposals showed that there was general agreement as to the need (1) for the abolition of the obsolete Liberum Veto (than which no single provision had attracted greater criticism against the Commission), and (2) for calculating the voting in any given case by the relation of the number of affirmative votes cast to the total number of votes cast and not to the total number of possible votes. It was felt, however, that it would be desirable to require that a minimum number of votes should be cast before any proposed Opinion or Declaration was adopted as the Opinion of, or as a Declaration by, the Commission.

THE COMMISSION agreed to recommend :—

that both at meetings of the Commission and, when during intervals between such meetings, decisions need to be taken by the Commission either in regard to the interpretation or possible amendment of the Regles or in regard to the application of the Régles in individual cases :—

(a) A proposed Opinion not involving the use by the Commission of their plenary powers to suspend the Régles shall be adopted as the Opinion of the whole Commission when all the members of the Commission have voted thereon or when, after a period of six months calculated from the date of despatch by the Secretary to the Commission of voting papers in regard to the proposed Opinion, not less than one-fourth of the tota! number of members of the Com- mission, calculated by reference to the number of such members as at the date on which the voting papers were so despatched, record their votes on the said proposal or, without voting,

Plenary powers

amendment and incorporation in the A ]

3rd Meeting, Paris, July, 1948. 51

signify their willingness to support the view, or the majority view, of other members of the Commission, provided that, where the voting is not unanimous, the number of affirmative votes, including any conditionally affirmative votes cast in the manner indicated above, exceeds the number of negative votes cast.

_— —— ~

~—

A proposed Opinion involving the use by the Commission of their plenary powers to suspend the Regles or a proposed Declaration containing a recommendation to the International Con- gress of Zoology in favour of any change in, or addition to, the Régles shall be adopted as the Opinion or Declaration of the whole Com- mission in like conditions to those specified in (a) above, save that every such proposed Opinion or Declaration shall require to receive at least two affirmative votes, including affirmative votes conditionally cast in the manner indicated in (a) above, out of every three votes cast, in order to secure its adoption by the Commission.

7. THE COMMISSION had under consideration the proposals in Commission Paper I.C.(48)4 for the amend- ment of the Resolution adopted by the Ninth International Congress of Zoology at Monaco in 1913, under which plenary powers to suspend the Regles in certain circumstances were conferred upon the Commission, and for the incorporation in the Régles of an Article setting out the foregoing resolu- tion as amended.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) informed the Commission that, in his capacity of President of the Section on Nomenclature, he had received notice from Dr. Henning Lemche (Denmark) of his intention of laying before the Section two proposals for the amendment of the Régles, for which wide support had been given by Scandinavian zoologists (file Z.N.(S.)359). The first of these proposals dealt in part with the amendment of the Plenary Powers Resolution. It would be a great convenience if the Commission would consider the proposals submitted by Dr. Lemche concurrently with the proposals submitted in Commission Paper I.C.(48)4, for it would then be possible for him to indicate to the Section the opinion of the Commission when Dr. Lemche made his communication to the Section, which it had been arranged

52 Tnternational Commission on Zoological Nomenclature.

that he should do at a joint meeting of the Section and the Commission to be held on the morning of the next day but one (Friday, 23rd July).

The discussion which followed showed that there was general agreement with the proposals for the amendment of the Plenary Powers Resolution as summarised in paragraph 6(2) of Commission Paper I.C.(48)4. The following additional points were raised :—

(a) Final character of decisions taken by the Commission under their plenary powers:

( Previous references: In view of the decisions which had been taken to “h x ro enlarge the size of the Commission and to liberalise Conclusions 1 and 5) its voting procedure, Article 2 of the Plenary Powers

Resolution (Declaration 5) (which dealt with the setting-up of a Board of Three to consider applica- tions for the suspension of the Régles where the Commission was not unanimously in favour of the proposal but two-thirds of its members had voted in favour of that course) was no longer appropriate and should, as suggested in Commission Paper 1.C.(48)4, now be deleted. It was felt, however, that it was desirable that there should be inserted at some appropriate point in the revised text a sentence embodying the proposition laid down in the last sentence of that Article, namely that a decision taken by the Commission under its plenary powers was final and not subject to appeal.

(b) Period of notace to be given:

The first proviso to Article 1 of the Plenary Powers Resolution required that not less than one year’s notice should be given in a specified number of journals that the question of the possible sus- pension of the Régles was under consideration in any given case. Dr. Lemche and the Scandinavian zoologists associated with him recommended that this period should be reduced to six months. Much criticism had been directed against the Commission in regard especially to the dilatory nature of its procedure in dealing with applications for the suspension of the Reégles. It was important that adequate notice should be given of such applications, but it was equally important that there should be no unnecessary delay in dealing with this type of case. Experience showed that, where zoologists saw objection to the use of the plenary powers in any case of which they had expert knowledge, they normally communicated their objection to the

3rd Meeting, Paris, J uly, 1948. 53

(c)

Secretary within a short space of time after the publication of the notice that the Commission were considering the possibility of using their plenary powers. ‘There was a presumption, therefore, that a delay of one year was unnecessarily long. It must be remembered also that the period of one year’s delay had been imposed in 1913 when regular air- mail services had not been introduced and in consequence a much longer period was required than at present to enable zoologists living at the other end of the world first to become aware of the publication of the notice of possible suspension of the Régles and second to communicate their views thereon to the Secretariat of the Commission. In the circumstances, therefore, it was felt that the proposal submitted by Dr. Lemche and his colleagues that the period of delay should be reduced from twelve months to six months was reasonable and should be accepted.

The serials in which the required notice should be queen:

In the Plenary Powers Resolution of 1913 it was laid down that notice of the possible suspension of the Regles in any given case should be given in not less than two of five specified serials. That Resolution was adopted 30 years before the establish- ment of the Commission’s Bulletin of Zoological Nomenclature. If that journal had been in existence at that time, it could not be doubted that it would have been specified as one of the places in which notices of the possible Suspension of the Régles should be published. Dr. Lemche and his colleagues proposed that the Bulletin of Zoological Nomenclature should now be made the principal serial in which all notices of possible suspensions of the Régles should in future be published. This proposal, it was generally agreed, was eminently reasonable and should be adopted.

Experience had shown that in existing conditions it was often difficult to secure Space for notices of possible suspensions of the Regles and in several cases space had only been secured through ‘the insertion of these notices as paid advertisements at a considerable outlay. The serials specified in the Resolution of 1913 were appropriate for the issue of notices affecting a wide range of workers, especially workers in the applied biological sciences ; they Were not necessarily the most appropriate medium

54

International Commission on Zoological Nomenclature.

for the publication of notices relating to names of interest only, or primarily, to specialists in a particular group, for whom the publication of these notices in some specialist serial would be much more convenient. Publication in such serials would, moreover, bring these cases before a much wider circle of interested specialists. It was generally agreed that what was required was a system under which, in addition to being published in the Bulletin of Zoological Nomenclature, notices of possible suspensions of the Régles should be published in at least one scientific serial in Europe and at least one such serial in America, and that, so far as might be practicable, the Secretary to the Commission should in addition send copies of such notices to specialist serials concerned with groups comprising generic or specific names proposed to be dealt with under the plenary powers. The serials in question would vary from one case to another and it would therefore not be possible to include a reference to such serials in the amended wording now to be adopted. The introduction of these changes would, it was felt, serve the further important advantage that it would eliminate the risk which existed at present that the whole machinery for the use by the Commission of their plenary powers might be rendered unworkable either through its becoming impossible to secure the publication of the prescribed notices in the specified serials or through those serials themselves ceasing publication.

(d) The date as from which the prescribed period of notice

as to run:

Attention was drawn to the fact that it was nec- essary clearly to prescribe the date as from which the prescribed period of notice was to run. In view of the difficulty in obtaining space in general science serials in existing conditions, a considerable delay might be involved if it were to be decided that the period should run from the date on which the notice was published in the last of the serials to which it was sent for publication. Moreover, there was always the risk that for one reason or another it would prove impossible to secure publication in one of the selected serials. These difficulties did not arise in the case of the Bulletin of Zoological Nomen- clature, which was directly under the control of the Commission. For this reason and because the Bulletin was the Official Organ of the Commission

(Previous reference: Paris Session,

3rd Meeting, Conclusion 6(b))

3rd Meeting, Paris, July, 1948. 55

and thus the serial to which zoologists would naturally refer for information on all matters relating to the work of the Commission, it was generally agreed that the prescribed period in which zoologists would be free to comment upon proposals for the suspension of the Régles should run from the date of publication of the part of the Bulletin containing the prescribed notice.

THE COMMISSION agreed :—

(1) to recommend that the following amendments be made in the Resolution adopted by the Inter- national Congress of Zoology at its meeting held at Monaco in 1913, under which the Congress conferred plenary powers upon the International Commission on Zoological Nomenclature to suspend the Regles, as applied to any given case, where, in the opinion of the Commission, the strict application of the Régles would clearly result in greater confusion than uniformity :—

(a) Article 1, First Proviso: (i) the period of notice to be reduced from twelve months to six months ; (ii) the words “in any two or more .. . and the Zoologischer Anzeiger ’’ to be deleted and the following words inserted in their place : in the Bulletin of Zoological Nomenclature and in two other serials, of which one is to be a serial published in Kurope and the other a serial published in America, the serials in question to be selected on each occasion by the Secretary to the Commission as being, in his opinion, the serials, in which publication of the notice is best calculated to bring the subject matter of the notice to the attention of interested specialists’; (iii) words to be inserted to make it clear that the period of six months referred to in (i) above runs from the date on which the notice relating to any given case is published in the Bulletin of Zoological Nomenclature ;

(b) Article 1, Second Proviso: the words pro- vided also that the vote in the Commission is unanimously in favour of suspension to be deleted and words to be inserted in their place specifying that the vote in the Commission is to be either unanimous or, if by a majority, by a majority calculated in the manner

56 International Commission on Zoological Nomenclature.

(For a later decision on Article 4, See Paris Session,

11th Meeting, Conclusion 18)

(c)

agreed upon by the Commission m their revised voting procedure ;

Article 1, Third Proviso: to be deleted ;

(d) Article 2 (‘‘ That in the event that a case...

(e)

is concerned **): (i) this Article to be deleted ; but (ii) words to be inserted at some appro- priate point in the revised text embodying the proposition laid down in the last sentence of this Article, namely that a decision taken by the Commission under their plenary powers is final and not subject _ to appeal ;

Articles 3 and 4: to be renumbered 2 and 3 respectively ;

(2) to recommend that the provisions contained in the Plenary Powers Resolution of 1913, amended as shown in (1) above, be incorporated in an Article in the Regles;

(3)

to take note of, and approve, a statement by the Secretary to the Commission that, in exercising the discretion conferred upon him by conclusion (1) (a) above regarding the choice of serials to which notices of possible suspensions of the Regles should be sent, it was his present intention :—

(a)

(c)

to select the serials Nature and Science as the serials published in Europe and America respectively, for so long as those serials were prepared to insert the prescribed notices in question either free of charge or in return for the payment of a reasonable fee and publish the notices in question with reasonable promptness ;

to send copies of the prescribed notices or, where those notices relate to names in widely separated groups, extracts from those notices to one or more selected serials specially concerned with the groups in question ;

to endeavour, in addition, to secure that the prescribed notices or references thereto were published also in leading serials published in the French, German, Italian and Spanish languages.

Date of entry into force of the reforms agreed uponinregard to the procedure of the Commission

(Previous reference: Paris Session,

3rd Meeting, Conclusions 6 and 7)

Changes in procedure designed to accelerate the work of the Commission

3rd Meeting, Paris, July, 1948. 57

8. THE COMMISSION had under consideration the question of the date as from which the reforms in their procedure agreed upon during the present meeting should come into operation.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) reminded the Commission that, although some of the reforms which had just been’ approved could be brought into operation by the Commission without reference to the Congress, others required the approval of the Congress before they could be made operative. Unless, therefore, special steps were taken, the reforms belonging to this second class would not come into operation until they were approved at the Concilium Plenum to be held on the last day of the present Congress. This would be most un- fortunate, for it was the wish of all zoologists that the Commission should take the fullest possible advantage of the opportunity presented by the meeting of the present Congress to reduce to the greatest possible extent the arrears of work which had accumulated during the war years. This would not be possible if for the remainder of the present meeting the Commission were hampered by obsolete procedural rules. It would therefore, he believed, be in accordance with the general will that the reformed procedure now agreed upon should be brought into operation forthwith. He accordingly proposed that the Commission should submit to the Section on Nomenclature a recom- mendation to this effect.

THE COMMISSION agreed to recommend :—

that the reformed rules of procedure agreed upon during the present meeting and recordéd in Con- clusions 6 and 7 above should enter into force forth- with.

9. THE COMMISSION had under consideration the recommendation submitted by the Executive Committee in Commission Paper I.C.(48)4, as summarised in paragraph 6 (3) of that paper, for the adoption of certain changes in procedure for the purpose of shortening the period between the date of receipt of applications by the Commission and the date on which decisions thereon are taken and announced.

THE COMMISSION agreed :—

that, having regard to the importance of taking every practicable step to secure that in future decisions on applications submitted to the Commission should be taken as rapidly as was consistent with due con- sideration of the issues involved, the procedure to be

58 International Commission on Zoological Nomenclature.

(For a decision to incorporate Declaration 4 in the “* Régles,

see Paris Session,

6th Meeting, Conchusion 52)

adopted in dealing with such applications should be as follows :—

(a) Subject to the necessary funds being available,

every application submitted to the Commission or, in the case of a long paper, an agreed summary thereof, shall be published in the Bulletin of Zoological Nomenclature as soon as possible after its receipt by the Secretary, subject to the Secretary first satisfying himself (i) that the application is in appropriate form with all the bibliographical and other data necessary to enable the Commission to reach a decision thereon and (ii) that it is drafted in accordance with the requirements of Declaration 4.

(b) Each issue of the Bulletin containing the texts

(c)

~—

of applications submitted to the Commission shall contain a notice displayed in a prominent position drawing attention to the fact that voting on the said applications will normally be started at the end of six calendar months calculated from the date of the publication of the said issue of the Bulletin and inviting any reader who wishes to submit comments on the proposals in question to do so in writing to the Secretary to the Commission as quickly as possible and in any case in sufficient time to enable the communication in question to reach that officer before the expiry of the six-month period referred to above.

As soon as possible after the expiry of the period referred to in (b) above, the Secretary shall report to the members of the Commission any comments which he may have received in regard to any such application and shall at the same time submit recommendations as to the terms of the Opinion or Declaration proposed to be rendered by the Commission in regard to the said application, together with voting papers to be used in connection therewith.

In order to eliminate the delay in the promulga- tion of decisions which has occurred in the past owing to the inevitable interval between the taking of a decision and its embodiment in an Opinion or Declaration and the printing and publication of that Opinion or Declaration, the “summary” of the Opinion or Declaration agreed upon by the Commission shall be

3rd Meeting, Paris, July, 1948. 59

published in the Bulletin of Zoological Nomen- clature as soon as possible after the conclusion of the voting thereon.

Announcement to be 10. THE COMMISSION had before them proposals soapeedaa submitted by the Executive Committee in Commission regarding the Paper [.C.(48)4, as summarised in paragraph 6 (4) of that arrangements made paper, for the issue of an announcement to the zoological by the Commission bli ij 1 A wat £ fae apecdinig up puble regarding the arrangements now agreed upon for its work speeding up the work of the Commission.

THE COMMISSION agreed :—

to request the Secretary to take all practicable steps, by the issue of notices to the scientific press or otherwise, to bring to the attention of zoologists and palaeozoologists the revised procedure specified in Conclusion 8 above, agreed upon by the Commission for the purpose of speeding up its work, and at the same time :—

(a) to explain that the Commission hope that, when the existing backlog of applications has been worked off, they will normally be able to announce their decision on any given applica- tion within a period of about 15 months from the date of its receipt ;

ao ~—

to express the hope of the Commission that, where an application published in the Bulletin of Zoological Nomenclature is concerned with the proposed use by the Commission of their plenary powers to suspend the Reégles for the purpose of validating a name or a nomenclatorial usage, which, under a strict application of the Régles, would need to be sunk in synonymy or changed, as the case may be, specialists in the group concerned will recognise that, as the case is sub judice, no action should be taken which might prejudice the decision to be reached by the Commission and that they will therefore refrain from aggravating the position by changing the name or the usage concerned until such time as a decision is given by the Commission.

Revision of the By- 44. THE COMMISSION agreed :—

Laws of the ht Commission (1) that the By-Laws of the Commission should be (Later reference: thoroughly revised so as to set out clearly the

Paris Session, Phas 12th Meeting, decisions taken by the Congress, as regards

Conclusion 16) ‘matters requiring the approval of that body, and

60 International Commission on Zoological Nomenclature.

by the Commission, as regards matters with which it was competent for the Commission to deal, in regard to such subjects as :—

(a) the functions, powers and duties of the Commission :

(b) the composition of the Commission ;

(c) the procedure to be followed in the election of members of the Commission ;

(d) the election of Alternate Members in certain cases ;

(e) the grant of leave of absence to members of the Commission in certain cases ;

(f) the removal of members of the Commission in certain circumstances :

(g) the duties of members of the Commission ;

(h) the officers of the Commission and their duties ;

(i) the composition and duties of the Executive Committee of the Commission ;

(j) the procedure to be followed, whether at meetings of the Commission or, by corres- pondence, during inter-Congress periods, in voting on proposed Declarations and pro- posed Opinions, either involving or not involving, in the last-named case, the use of the plenary powers of the Commission ;

(k) the publication of Declarations and Opinions and of the Bulletin of Zoological Nomen- clature;

(l) the procedure to be followed at meetings of the Commission ;

(m) the publication of minutes of meetings and Reports ;

(n) the regulation of the financial affairs of the Commission in co-operation with the Inter- national Trust for Zoological Nomenclature ;

(o) the amendment of the By-Laws ; (p) the publication of the By-Laws ;

(2) to invite the Secretary to the Commission to prepare, as soon as might be found conveniently practicable after the close of the Congress, the draft of a revised text of the By-Laws on the lines indicated in (1) above and to circulate that draft to the members of the Commission for approval ;

Fourth meeting of the Commission during its Paris Session: date and time noted

(Previous reference: Paris Session,

2nd Meeting, Conclusion 36)

3rd Meeting, Paris, July, 1948. 61

(3) that, as soon as the Commission had reached agreement on the draft text referred to in (2) above, the revised By-Laws should be printed and copies placed on sale by the International Trust for Zoological Nomenclature.

12. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) suggested that now that the Commission had completed their examination of the proposals relating to the procedure of the Commission submitted in Commission Paper I.C.(48)4, a convenient point had been reached at which to terminate the work of the Commission for the day. As already arranged, their next meeting, the fourth of their Paris Session, would be held at the same place at 0900 hours on the morning of the following day.

THE COMMISSION agreed :-— to adjourn until 0900 hours on the morning of the following day, Thursday, 22nd J uly, 1948.

(Lhe Commission thereupon adjourned at 2315 hours.)

rFUARUMASCELY

12 APR 1950 ( 62 ) |

INTERNATIONAL COMMISSION on ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth International Congress of Zoology, jig Paris, 21st-27th July, 1948

CONCLUSIONS of the Fourth Meeting held at the Sorbonne in the Amphithéatre Louis-Liard on Thursday, 22nd July, 1948, at 0900 hours

PRESENT : Mr. Francis Hemming (United Kingdom) (Acting President) Professor E. Beltran (Mexico) Professor H. Boschma (Netherlands) Professor J. Chester Bradley (U.S.A.) Professor L. di Caporiacco (Italy) Professor Harold Kirby (U.S.A.) | Professor Z. P. Metcalf (U.S.A.)~ Mr. N. D. Riley (United Kingdom) Professor V. van Straelen (Belgium) Professor Robert L. Usinger (U.S.A.)

The following were also present:

Professor Pierre Bonnet (France)

M. André Chavan (France)

Mr. Jean Delacour (U.8.A.)

Mr. C. F. dos Passos (U.S.A.)

Dr. Ellsworth C. Dougherty (U.S.A.) Dr. H. A. F. Gohar (Egypt)

Professor E. Raymond Hall (U.8.A.) Professor W. P. Hayes (U.S.A.)

M. Denis Jacques (France)

Dr. Henning Lemche (Denmark)

Mr. T. C. S. Morrison-Scott (United Kingdom) Dr. 8. di Toledo Piza (Brazil)

Mr. R. Winckworth (United Kingdom)

Mrs. M. F. W. Hemming, Personal Assistant to the Secretary Miss J. H. Shorey, Acting Documents Officer

eter Prof. 1. THE ACTING PRESIDENT (MR. FRANCIS Paes HEMMING) reported that, in accordance with the arrange-

(Mexico) to be an 5 : are : Alternate Member ment made at the first meeting of the Commission during

of the Commission jts present Session, Professor Enrique Beltran (Mexico) for the duration i

of the Pais had been invited to serve as an Alternate Member of the Session Commission during the present Session of meetings vice OS etal dosent * Commissioner Angel Cabrera (Argentina), who was unable lst Meeting, to be present. This invitation had been accepted by Conclusion 6(2)) Professor Beltran.

THE COMMISSION :— took note of the above statement and a Theetnd Professor Beltran to their table.

THANKS TO U.N.E.S.C.O.

The International Trust for Zoological Nomenclature, on behalf of the International Commission on Zoological Nomenclature, have great pleasure in expressing their grateful thanks to the UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANISATION (U.N.E.S.C.O.) for the financial assistance afforded towards the cost of producing the present volume.

=e"

BULLETIN OF ZOOLOGICAL NOMENCLATURE

Notice to subscribers regarding the arrangements made for the completion of volume 1 and for the publication of volumes 2, 3, 4 and 5

The following arrangements have been made for completing volume 1 of the Bulletin of Zoological Nomenclature and for the publication of volumes 2, 3, 4and 5 :—

Volume 1: A concluding Part (Part 12), containing, inter alia, the Title Page, Table of Contents, and alphabetical subject index, will be published shortly.

Volume 2: This volume, like Volume 1, will be devoted to the publica- tion of applications in regard to nomenclatorial problems submitted by specialists to the International Commission on Zoological Nomen- clature for decision. Publication will commence at an early date. Fae ye

Volume 3: This volume will be devoted to the publication of the memoranda, reports and other documents considered by the International Commission on Zoological Nomenclature and by the Section on Nomenclature of the Thirteenth International Congress of Zoology at their meetings held in Paris in July 1948. Parts 1-6 have already been published and it is expected that this volume will be completed shortly on the issue of Parts 7-9.

Volume 4: This volume will be devoted to the publication of the Official Record of Proceedings of the International Commission on Zoological Nomenclature at its Session held in Paris in Fuly 1948.

Volume 5: At the request of the Bureau of the Thirteenth International Congress of Zoology, this volume will be devoted to the publication of the Official Record of Proceedings of the Section on Nomenclature of the Thirteenth International Congress of Zoology, Paris, Fuly 1948, together with the Reports submitted to the Congress by the Inter- national Commission on Zoological Nomenclature and the Section on Nomenclature.

INQUIRIES All inquiries regarding publications should be addressed to the International Trust for Zoological Nomenclature, and all inquiries regarding the scientific work of the Commission to the Secretary to the Commission at the following addresses :— _

International Trust for Zoological Nomenclature: 41, Queen’s Gate, London, S$.W.7, England.

International Commission on Zoological Nomenclature: Secretariat of the Commission, 28 Park Village East, Regent’s Park, London, N.W.1, England.

VOLUME 4. Parts 4/6 25th May, 1950 pp. 63—158.

- THE BULLETIN OF ZOOLOGICAL

purc asEO NOMENCLATURE

The Official Organ of THE INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE

Edited by

FRANCIS HEMMING, C.M.G., C.B.E.

Secretary to the International Commission on Zoological Nomenclature.

CONTENTS :

The Official Record of Proceedings of the International Page Commission on Zoological Nomenclature at its Session held in Paris in Fuly 1948:

Conclusions of Fourth Meeting

(concluding portion) - - - - - 63-82 Conclusions of Fifth Meeting - - - 83-106 Conclusions of Sixth Meeting

(first instalment) - - : - - 107-158

LONDON :

Printed by Order of the International Commission on Zoological Nomenclature on instructions received from the Thirteenth

International Congress of Zoology, Paris, 1948,

and Sold on behalf of the International Commission by the International Trust for Zoological Nomenclature at the Publications Office of the Trust 41, Queen’s Gate, London, S.W.7.

1950

Price One pound, eight shillings. (All rights reserved)

Telegrams despatched by the Acting President on behalf of the Commission

(Previous reference: Paris Session, \st Meeting, Conclusion 4)

(Previous reference: Paris Session, 2nd Meeting, Conclusion 18(6))

(Previous reference: Paris Session, 2nd Meeting, Conclusion 27 )

Meaning of the expression

nomenclature binaire as used in the Regles”

VOL,4E

4

is, July, 1948. 63

+

4th Meeting;

9. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that at their first meeting during their present Session the Commission had invited him to address a telegram to Commissioner Th. Mortensen (Denmark) expressing their regret that ill-health prevented him from being present at the Session now in progress, and that at their second meeting the Commission had invited him to address telegrams to President Karl Jordan expressing their regret at his decision to relinquish the Office of President and to the Right Honourable Walter Elliot expressing their thanks for his having accepted the Presidency of the International Trust for Zoological Nomenclature. In the discharge of these requests, he had now despatched the following telegrams :—

(a) Telegram to Commissioner Th. Mortensen

‘The International Commission on Zoological Nomenclature sincerely regret that your health makes it impossible for you to be present with them in Paris and send you their best wishes for speedy recovery.”

Telegram to President Karl Jordan

“The International Commission on Zoological Nomenclature assembled in Paris have received your resignation of the Presidency with deep regret but feel bound to respect your wishes and to relieve you of the burden of office. They propose, however, to renominate you as a member of the Commission and intend to invite the Congress to appoint you also as Honorary Life-President.”

(c) Telegram to the Right Honourable Walter Elliot

At this their first meeting since the formation of the International Trust for Zoological Nomenclature, the International Commission on Zoological Nomen- clature now assembled in Paris desire to express their grateful thanks to you for accepting the Presidency of the Trust.”

THE COMMISSION :— took note of, and thanked the Acting President for taking, the action on their behalf reported above.

(b

~~

3. THE COMMISSION had under consideration a note by the Secretary to the Commission covering the draft of a Report to be submitted by the Commission to the Thirteenth International Congress of Zoology on the meaning of the expression ‘“‘ nomenclature binaire”’ as used in the Reégles (Commission Paper I.C.(48)5).

64 International Commission on Zoological Nomenclature.

(Previous reference: Lisbon Session, 5th Meeting, Conclusion 3)

In introducing this paper, THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that for many years there had been controversy regarding the meaning to be attached to the expression ‘‘ nomenclature binaire as used in Proviso (b) to Article 25 of the Reégles. There had been violent dissension on this subject at the meeting of the Congress held at Padua in 1930, when the Section on Nomenclature had (by a majority) adopted a resolution on the interpretation to be given to this expression. That resolution had been invalid because it had been put to the vote, notwithstanding the fact that prior notice of the intention to move this resolution had not been given by its proposer to the Commission. That action was in contra- vention of a decision taken by the Congress of Cambridge (1898) and confirmed by the Congress of Berlin (1901) that, except with the concurrence of the Commission, no resolu- tion relating to the Régles was to be put to the vote in the Section on Nomenclature, unless at least one year’s notice had been given to the Commission. The situation created by the Padua incident had been considered at Lisbon in 1935 by the Comité Permanent des Congrés Internationauz de Zoologie who had referred the whole matter back to the President of the Section on Nomenclature who in turn had invited the Commission to submit a Report thereon at the next meeting of the Congress. That invitation had been accepted by the Commission and this method of making a fresh approach to the subject had been approved by the

Congress of Lisbon at its final plenary Session.

The draft Report now submitted to the Commission for their consideration was the fruit of much discussion between himself, as Secretary to the Commission, and leading specialists in Europe and America. Those discussions led him to believe both that this question was no longer controversial and that the settlement suggested in the draft Report would be generally acceptable.

THE COMMISSION agreed :-—

(1) to approve the text of the draft Report on the meaning of the expression “‘ nomenclature binaire” as used in the Régles submitted by the Secretary to the Commission under cover of the memo- randum circulated as Commission Paper I.C.(48)5 and to adopt that text as the text of the Report to be submitted by the Commission to the President of the Section on Nomenclature of the present Congress ;

(2) to authorise and request the Secretary to the

Commission to sign the Report adopted in (1) above and to submit it forthwith on behalf of

(For a later decision regarding the numbering of the Schedules to the

* Regles’”’, see Paris Session, 9th Meeting, Conclusion 31)

(Previous reference: Paris Session,

3rd Meeting, Conclusion 7(2))

vor. 4 E?

4th Meeting, Paris, July, 1948. 65

the Commission to the President of the Section on Nomenclature ;

(3) in pursuance of the terms of the Report referred

to above :—

(a) to recommend the Congress :—

(i)

(ili

(iv)

to substitute the expression “‘ nomen- clature binominale for the expres- sion ‘‘nomenclature binaire” in Article 25 and Article 26 of the Regles ;

to attach to the Régles a Schedule, to be known as the First Schedule,” in contrast to the present Appendice, here recommended in future to be known as the “Second Schedule,” and to direct that every decision, whether to validate or to suppress a given book or name or to alter the usage of a name, taken, or hereafter to be taken, by the Commission under their plenary powers be recorded in the said First Schedule ;

to insert in the Article recommended to be inserted in the Régles embody- ing, subject to certain agreed amend- ments, the provisions of the Plenary Powers Resolution of 1913 (Declara- tion 5) a provision exempting applica- tions relating to the status of generic names published after 1757 by authors who in the book or paper concerned did not apply the principles of binominal nomenclature from the requirement that a specified period shall elapse between the date on which the application in question is published in the Bulletin of Zoological Nomenclature and the date on which the Commission may take a final decision thereon ;

to insert in the First Schedule to the Regles the entry “Brisson (M.J.), 1760, Ornithologia sive Synopsis methodica sistens Avium Divisionem in Ordines”’ as the title of a book, generic names in which are to be accepted as having availability under

66 International Commission on Zoological Nomenclature.

Consolidation and amendment of the Regles : preliminary consideration

(Later reference: Paris Session, 6th Meeting, Conclusion 10)

(b)

(c)

Article 25, notwithstanding the fact that they were published by an author who in the work concerned did not apply the principles of binominal nomenclature ; to cancel Opinions 20 and 37, the inter- pretations of the Régles contained in which had now been ruled by the Commission as incorrect ;

ce

to substitute the words who used a non- binominal nomenclature” for the words “who used a binary (Art. 25) (though not binominal) nomenclature” in the first sentence of the ““ summary to Opinion 24 ;

to substitute the words “On the species eligible for selection as the type species of a genus established by a binominal author, where some or all of the originally included species were not cited by binominal names ”’ for the words Types of genera of binary but not binominal authors as the title of Opinion 35;

(4) to congratulate the Secretary to the Commission on the masterly fashion in which he had marshalled the data relating to the meaning of the expression nomenclature binaire ’’ for the consideration of the Commission.

4. THE COMMISSION had under consideration a memorandum by the Secretary to the Commission out- lining proposals for the consolidation and amendment of the Regles (Commission Paper I.C.(48)6, Part 1).

THE COMMISSION :—

(1) approved generally the proposals for the con- solidation and amendment of the Regles submitted by the Secretary to the Commission in Commission Paper I.C.(48)6 ;

(2) agreed to direct their energies towards securing :—

(a)

(b)

the incorporation in the Régles of provisions embodying the interpretations of existing Articles given by the Commission in interpretative Opinions already rendered, subject to such modifications or exceptions as they might consider proper ;

the clarification of certain provisions in the Régles relating to important questions on nomenclature, where the meaning of those

(Later reference: Paris Session, 4th Meeting, Conclusion 13)

(Later reference: Paris Session, 6th Meeting, Conclusion 1)

(Later reference: Paris Session, 5th Meeting, Conclusion1)

(Later reference: Paris Session, 6th Meeting, Conclusion 50)

Status of new

names published in

a form or ina manner contravening

Articles 14- 16, 18 and 20

4th Meeting, Paris, July, 1948. 67

provisions was in dispute, e.g. :—

(i) the meaning of the expression in- dication”’ as used in relation to generic names in Proviso (a) to Article 25 ;

(i) the meaning of the provisions in Articles 35 and 36 relating to specific homonyms ;

(i) the status, if any, of names proposed for forms of less than subspecific rank ;

(c) the clarification of certain provisions in the Regles, where the implication of those provisions was in doubt ;

(d) the insertion in the Régles of provisions on various matters not dealt with in any of the existing Articles ;

(e) the substitution of Recommandations for mandatory provisions in certain cases ;

(f) the incorporation in the Reégles of provisions embodying resolutions on nomenclature and nomenclatorial practice adopted at various times by the Commission or by the Com- mission and the Congress and subsequently recorded in Declarations rendered by the Commission ;

(g) the remedying of grammatical and other defects in the Régles due to careless or inexpert drafting ;

(h) the completion of the substantive French text of the Regles;

(i) the gecuring of accurate translations in English and other languages of the sub- stantive French text of the Reégles.

. 5. In the course of the discussion recorded in Conclusion 4(2)(c) above, THE COMMISSION had under consideration the position arising when a new name was published in a form or in a manner which contravened one or other of Articles 14-16, 18 and 20 (Commission Paper I.C.(48)6, para- graph 11). The Reégles did not make it clear whether a name so published was to be corrected automatically by later authors to make it conform with the requirements of the Reégles or whether (as appeared to be implied by Opinion 8) a name published in contravention of any of the foregoing provisions was to be preserved for all time in the incorrect form in which it was originally published. An allied question on which:a clarification of the Régles was required was whether, when a name was emended under Article 19,

68 International Commission on Zoological Nomenclature

that name in its emended form ranked for purposes of priority (1) from the date on which the name of which it was an emendation was published, or (2) only from the date on which the emendation was published. Arising out of this last point, there was also the question of the author . to whom an emended name should be credited. Should it be the original author of the incorrectly formed name or the author by whom the emendation was published ?

THE COMMISSION agreed :—

(1) to recommend that provisions should be inserted in the Régles to make it clear :—

(a) that, where a name is published in a form or in a manner which contravenes any of the provisions contained in Articles 14-16, 18 or Article 20, the error so committed is automatically to be corrected by subsequent authors ;

(b) that, where a name is originally published in a form or in a manner which contravenes any of the-Articles specified in (a) above but later that error is removed by the name being corrected or by the form of its citation being altered, as the case may be, the name in its corrected form or with its corrected mode of citation ranks for purposes of

priority from the date on which it was originally published in an incorrect form or in an incorrect manner and is to be attri- buted to the author by whom it was so published and not to the author by whom it was corrected or by whom it was first cited in a correct manner ;

(c) that, where a name is validly emended in accordance with the provisions of Article 19, that name ranks for purposes of priority from the date on which it was originally published in an incorrect form and is to be attributed to the author by whom it was so published ;

(2) to cancel Opinion 8, the interpretation of the Régles contained in which was incorrect.

? 6. In the course of the discussion recorded in Con- Article 25,

Proviso (c)(2) : clusion 4(2)(¢€) above, the ACTING PRESIDENT (MR. = ——— FRANCIS HEMMING) said that the general policy recom- “‘ definite i

bibliographic mended to the Commission was that ritualistic provisions, référence” which had been included at different times in Article 25

——— > -~—

oo

4th Meeting, Paris, July, 1948. 69

(Law of Priority) and which had the unintended but unfortunate effect of invalidating names which, though otherwise properly published, were defective on some highly technical ground, should be replaced by others of a more liberal, i.e. less rigorous, character but that Recom- mandations should be added at appropriate points in Article 25 indicating the ideal procedure to be aimed at. The problem now to be considered was the position created by the insertion in Article 25 (by the Budapest Congress of 1927) of the provision that, in order to satisfy the require- ments of that Article, a name published after 31st December, 1930, as a substitute for a previously published name must be accompanied by a definite bibliographic reference a EG the name to be replaced. At their meeting held at Lisbon in 1935 the Commission had considered a request for an elucidation of the meaning of this expression, and in answer to that question had ruled (Opinion 138) that this expression required that a new name published as a sub- stitute name should be accompanied by a bibliographical reference consisting of the name to be replaced, its author, the date of its publication, the work or serial in which it was published, the number of the volume, if the work was published in more than one volume, and the number of the page on which the name appeared. In view of the use of the expression “definite bibliographic reference in Article 25, no other interpretation could logically have been given by the Commission, This decision had had, however, an unfortunate effect, for it had invalidated names which were otherwise perfectly satisfactory, as had been pointed out in a communication submitted to the Commission by Dr. J. Brookes Knight (Washington) acting on behalf of the Joint Committee on Zoological Nomenclature for Paleontology in America (Commission File Z.N.(S)352).

THE COMMISSION agreed :— (1) to recommend :—

(a) the deletion of Section (2) of Proviso (c) to Article 25 and the insertion in its place of a new Section (2) as follows :—

“in the case of a name proposed as a substitute for a name which is invalid by reason of being a homonym, with a reference to the name which is. thereby replaced

insertion of a Recommandation to Proviso (c )(2), urging authors, when pub- lishing substitute names, to give a full bibliographical reference to the name so replaced, that is, to cite the name itself, its

70 International Commission on Zoological Nomenclature.

Article 25, Proviso (c)(1) : the expression

which differentiate...”

author, the date on which it was published, the title of the book or serial in which it was published, the volume number where

' the book or serial consists of more than one volume, and the page number or, where the pages are not numbered, the number or letter or other mark distinguishing the portion of the text in which the name concerned was published ;

(2) to cancel Opinion 138, as from the date on which Article 25 is amended in the sense recommended in (1) above, when that Opinion, by reason of referring to the existing text of Article 25, will have ceased to be applicable.

7. THE COMMISSION considered next the expression “with a summary of characters which differentiate or distinguish the genus or species from other genera or species, as used in Section (1) to Proviso (c) to Article 25. Professor H. B. Hungerford (U.S.A.) (Commission File Z.N.($)61) had asked whether, under these words, it was necessary that a description of a new species, in order to make the new name available, must contain an express reference to, and a comparison with, some previously published species (see Hungerford, 1945, Bull. Zool. Nomencl. 1 : 102-103).

In the discussion which ensued, it was generally agreed that, though well-intentioned, this provision in Article 25 was open to the objection that it invalidated otherwise properly published names on a purely technical nomen- clatorial ground. It was a ritualistic provision which should be modified in conformity with the principle adopted in dealing with the expression “definite bibliographic reference.’ What was needed was that this provision should require a higher standard for names published after 31st December, 1930, than for names published before that date (when all that was required was that the new name should be published with an “indication, definition or description ’’). The provision in question should, however, be less rigorous than that contained in the existing Section (1) to Proviso (c). It was pointed out that, if the require- ment that the description should be comparative were to be deleted, the only distinction which could be drawn in this matter between names published on or after 1st January, 1931, and names published before Ist January, 1931, was between names which, when first published, had been accompanied by words giving particulars of characters and those which depended for their availability, in the case of

(For a later decision on the status of generic names published before 1st January 1931

without a type species, see Paris Session,

4th Meeting, Conclusion 13)

(For a decision to extend this provision consequent upon the admission of the names of forms of less than subspecific rank to rights under the Law of Priority, see Paris Session, 5th Meeting, Conclusion 1)

Article 25, Proviso (c)(3) : the expression

definite unambiguous designation of the type species ; Article 29 and 30 Consequential amendments

4th Meeting, Paris, J uly, 1948. 71

generic names, solely upon the designation or citation of a type species, and, in the case of the trivial names of species or subspecies, solely upon an accompanying figure or illustration.

THE COMMISSION agreed to recommend :-—

(1) the deletion of Section (1) of Proviso (c) to Article 25 and the insertion in its place of a new Section (1) as follows :—

“with a statement in words indicating the characters of the genus, species or subspecies concerned.”

(2) to insert a Recommandation to Proviso (c)(1), urging authors, when drawing up descriptions of new genera, subgenera, species or subspecies to give not only an absolute, but also a comparative, description thereof, by indicating :—

(a) om the case of a generic or subgeneric name, the characters which separate the genus or subgenus concerned from the previously described genus or subgenus to which it is considered that the new genus or subgenus is most closely allied ;

im the case of a specific name, the characters which separate the new species from the previously described species to which it is considered to be most closely allied, and, if that is a little-known species, the characters which separate the new species from a well-known or common species included in the genus ;

mm the case of a subspecific name, the characters which distinguish the new sub-. species from the subspecies to which it is considered to be most closely allied, and, if that is a little-known subspecies, the characters which distinguish the new sub- species from a well-known or common subspecies of the species concerned.

8. THE COMMISSION turned to the consideration of of the expression definite unambiguous designation of the type species as used in Section (3) to Proviso (c) to Article 25. This question, which was referred to in paragraphs 13 and 15 of Commission Paper I.C.(48)6, had been brought to the attention of the Commission by Professor E.. Gorton Linsley, on behalf of the American Committee on Entomo- wogical Nomenclature (Commission File Z.N .(S)342).

(b)

-I bo

(For a decision to amend the phraseology used in this part of Article 30, see Paris Session,

7th Meeting, Conclusion 5)

(For a decision amplifying this decision, see Paris Session, 6th Meeting, Conclusion 68)

International Commission on Zoological Nomenclature.

In the discussion of this problem, it was noted that this was another example of a well-intentioned provision which had the unintended effect of invalidating names on highly technical nomenclatorial grounds. For example, under this provision, a name published after 3lst December, 1930 for a new monobasic genus was invalid, if the author of that genus failed to give a definite unambiguous citation of the type species. It was a ritualistic provision which should be modified in accordance with the principle adopted in the similar cases in Sections (1) and (2) of the same Proviso (Proviso (c) ) to Article 25. There was general agreement that the reasonable course to adopt would be to provide that for the purposes of Section (3) of Proviso (c) a generic name published after 31st December, 1930, must have its type species clearly designated or, as the case may be, indicated in accordance with one or other of the Rules laid down in the first group of Rules (i.e. the group headed Cases in which the generic type is accepted solely upon the basis of the original publication”) given in the Article (Article 30) which lays down the way in which the type species of genera are to be determined.

THE COMMISSION agreed to recommend :—

(1) to delete Section (3) to Proviso (c) to Article 25 and insert in its place a new Section (3) in the following sense :—

“in the case of a generic or subgeneric name, with a type species designated or, as the case may be, indicated in accordance with one or other of the rules prescribed for determining the type species of a genus or subgenus solely upon the basis of the original publication (i.e. Rules (a) to (d) in Article 30)

(2) to add to Article 25 a Recommandation strongly urging every author, when publishing a name for a new genus or subgenus :—

(a) expressly to designate by name the type species of the genus or subgenus as the case may be;

when designating as the type species a species the name of which has already been published, to cite that species, first under the binominal combination under which the species was originally published, giving at the same time a bibliographical reference to the place where that name was published, and second’ under its new binominal com- bination consisting of the new generic name and the trivial name of the species or, in the case of a new subgeneric name, of the generic

(b)

Status of the Provisions in the

' 4th Meeting, Paris, July, 1948. 73

name of the species, the new subgeneric name and the trivial name of the species (an example of each type of case being added) ;

(3) that a similar Recommandation in relation to the selection of the type species of a genus by an author under Rule (g) in Article 30 be added to that Article and that the existing Recommandation to Article 29 be deleted.

9. THE COMMISSION had under consideration the

former “Appendice” Proposals in regard to the status of the provisions in what

now a Schedule to the Regles (Previous reference: Paris Session,

4th Meeting, Conclusion 3(3)(a)(ii))

(For a later decision regarding the numbering of the Schedules to the

Régles”” see Paris Session, 9th Meeting, Conclusion 31)

Grammatical inconsistencies in the Regles

Article 31: need for the removal of confusion between taxonomy and nomenclature and for the substitution of direct provisions for the existing provisions by reference

was at present called the Appendice to the Réegles but which it had been agreed to recommend should in future be styled the Second Schedule, submitted in paragraph 18(1) of Commission Paper I.C.(48)6.

THE COMMISSION agreed to recommend :—

that an Article should be inserted in the Regles referring to the Second Schedule (i.e. the present Appendice) and making it clear that the provisions included therein were not mandatory but were in the nature of recommendations as to good nomenclatorial practice.

10. THE COMMISSION had under consideration the recommendations submitted in paragraph 18(2) of Com- mission Paper I.C.(48)6, for the removal of grammatical inconsistencies from the Régles, particularly the random and haphazard use of the tenses of the verb étre (to be).

THE COMMISSION agreed to recommend :—

that, in the forthcoming revision of the Reégles, care should be taken to remove the grammatical inconsis- tencies which mar the existing text and in particular to ensure the use of the correct tenses of the verb étre” (to be) to indicate the mandatory character of the Articles included in the Regles and the non- mandatory character of the provisions of the Second

Schedule.

11. THE COMMISSION had under consideration the difficulties arising from the confusion in the Regles between taxonomy and nomenclature referred to in paragraph 18(3) of Commission Paper I.C.(48)6, with special reference to Article 31, which, as at present drafted, appeared to prescribe a procedure for the subdivision d’une espéce ’’ and the subdivision d’un genre,” both of which were taxonomic matters, with which a code of nomenclature was not directly concerned. What this Article was intended to provide for were the nomenclatorial implications of the

74 International Commission on Zoological Nomenclature.

(Later reference: Paris Session, 6th Meeting, Conclusion 26)

taxonomic operations in question and not the operations themselves. It was important that this defect should be eliminated from this Article. It was important also that specific instructions should be included in the Reégles regarding the method to be followed in determining to which of two or more species originally included in a composite nominal species, the name given to that species should adhere. The aim should be to secure that Article 31 should apply as closely as possible to the type specimen of a nominal species the rules laid down in Article 30 for deter- mining the type species of a genus, the name of which had been published prior to lst January, 1931. Naturally, there should be included in Article 31 also provisions parallel to any provisions supplementing or clarifying the corres- ponding Rules in Article 30 which might be agreed upon during the present Congress.

THE COMMISSION agreed :—

(1) that in its present form Article 31 was defective, both because the phraseology involved implied a confusion between taxonomy and nomenclature, and because in so important a matter as that dealt with in this Article it was essential that the required provisions should be expressly stated and not left to be inferred by reference to another Article (Article 30) dealing with an only partially comparable question ; (2) in view of (1) above, to recommend that Article 31 in its present form should be deleted from the Regles and that in place of the present text of that Article there should be inserted provisions laying down for the determination of the identity of a nominal species rules parallel to those pre- scribed for determining the identity (i.e. the type species) of a genus in Article 29 and in Rules (a), (b), (c) and (g) in Article 30, that is to say pro- visions prescribing :—

~—

(a) that, where a nominal! species is found to be a com- posite species, the name given to that nominal species is to be applied to one or other of the com- ponent species, and that where the original author of a nominal species designated a given specimen to be the type specimen of that nominal species or an illustration, figure, or previously published des- cription exclusively to represent the type specimen, the name in question shall in all circumstances adhere to the taxonomic species represented by that specimen or, as the case may be, by the iJustration, figure or previously published description so designated to represent that specimen (provision parallel to Article 29) ;

4th Meeting, Paris, July, 1948. 75

(b) that, where an author publishes the name of a nominal species, based either (i) upon two or more specimens or (ii) partly upon one or more specimens and partly upon one or more illustrations or figures (whether then published for the first time or pre- viously published) or upon one or more previously published descriptions or upon any combination of

(For a later decision the above, the type specimen of the nominal species prescribing the term- or, as the case may be, the illustration, figure or inology to be applied to previously published description which shall there- type specimens, see after exclusively represent the type specimen shall Paris Seasion, be determined in accordance with the following 6th Meeting, Rules applied successively (provision parallel to Conclusion 75) introductory portion of Article 30) :—

(i) where at the time of the publication of the name of a nominal species the original author thereof designates either (1) one specimen to be the type specimen or (2) one illustration or one figure or one previously published description exclusively to represent the type

" specimen, the specimen, illustration, figure or previously published description so designated shal] be the type specimen of the nominal species or, as the case may be, shall thereafter exclusively represent the type specimen (Rule parallel to Rule (a) in Article 30) ;

(ii) where, in default ot a type designation under (i) above, the original author of the name of a nominal species indicates that one but not more than one specimen is the type specimen by affixing thereto a label bearing the legend “type” or its equivalent, the specimen so labelled shall be the type specimen of that nominal species (Rule parallel to Rule (b) in Article 30) ;

(iii) where neither Rule (i) nor Rule (ii) above is applicable (1) any one specimen included in the original author’s type material, not being a specimen excluded from consideration under (d) below, or (2) any one of the illustrations, figures or published descriptions cited in the original description of the nominal species which is the first subsequently to be selected by the same or another author to be the type specimen or, as the case may be, exclusively to represent the type specimen, shall be the type specimen of that nominal species or shall exclusively represent that specimen. the expressions “‘ select the type specimen”? and “select to represent the type specimen to be rigidly construed and to exclude the application of the trivial name of the nominal species concerned to a single originally in- cluded specimen, illustration, figure or pre- viously published description, unaccompanied by a clear indication that a selection is being made (Rule parallel to Rule (g) in Article 30) ;

(c) that, where an author publishes the name of a nominal species based exclusively (i) upon a single specimen, or (ii) upon a single illustration or figure (whether then published for the first time or pre- viously published) or (iii) upon a single previously published description, the single specimeg or the- single illustration or figure or the single previously published description in question shall be, or, as the case may be, shall exclusively represent, the type specimen of that nominal species (Rule parallel to Rule (c) in Article 30) ; .

76 International Commission on Zoological Nomenclature.

Substantive French text of the Regles :

(d) that no specimen, illustration, figure or previously

(e)

(f)

(g)

published description is eligible to be selected to be the type specimen, or, as the case may be, to represent the type specimen, of a nominal species, if that specimen, illustration, figure or description was only doubtfully referred to the nominal species by the original author in his description of that species or was, or represented, a specimen inquirendum from the standpoint of that author (provision parallel to Rule (e) in Article 30) ; that the interpretation of Rule (g) in Article 30 in relation to the type species of genera given in the Commission’s Opinion 6, shall apply to the type specimen of a nominal species, only where the name of such a species was published prior to lst January, 1931 and where that species was based upon two, but not more than two, specimens and one of those specimens was later designated as the type specimen of another nominal species by the same or another author : that, where, prior to Ist January, 1931, two or more nominal species were founded, in whole or in part, upon the same type material, any one specimen which formed part of the type material of both nominal] species may be selected as the type specimen of either or both of the nominal species concerned (provision parallel to that applied to Article 30 by Opinion 62) ; ; that, where an author, when publishing the name of a nominal species, either (i) omits to specify the materia] on which that nominal species is based and it is later found impossible to trace that material, or (ii) specifies his type material, but that material either (a) is so imperfect or in such bad condition as to render it impossible to recognise the taxonomic species of which it consists, or (b) was lost or des- troyed before the identity of the taxonomic species in question was established, the following rules are to be applied :—

(1) where, in spite of the lack of a holotype or lectotype or, as the case may be, of a recognis- able holotype or lectotype, specialists are able to recognise the taxonomic species represented by the nominal species in question the name of that nominal species shall apply to the taxonomic species so recognised ;

- (2) where specialists are agreed that the available evidence is insufficient to permit of the identification of the taxonomic species repre- sented by the nominal species in question, the name of that nominal] species is to be treated as a nomen dubium and therefore not available for use for taxonomic purposes ;

(3) where some but not all specialists claim to be able to recognise the taxonomic species represented by the nominal species in question or where there is disagreement among special- ists as to the taxonomic species so to be recognised, the question at issue is to be referred to the International Commission on Zoological Nomenclature for decision;

(h) that the provisions now to be inserted in the Régles

should include also the provisions embodied in the second sentence (“Un nom .. . dans les genres separés ’’) of the existing text of Article 31.

12. THE COMMISSION turned next to the proposals

arrangements to be relating to the drafting of passages for incorporation in the

made for completion and promulgation

substantive French text of the Régles for which at present only English texts existed, submitted in paragraph 19 of

4th Meeting, Paris, July, 1948. 77

Commission Paper I.C.(48)6, and to the preparation of corresponding drafts to give effect to additions and other changes agreed upon at the present (Paris) meeting, sub- mitted in Part 2 (paragraphs 22-27) of the same Paper.

THE COMMISSION agreed :—

(1) to recommend :— (a) that the present Congress should not itself

~~

draft passages to be inserted in the sub- stantive French text of the Régles either for the purpose of completing those portions for which at present only English. texts existed or for the purpose of giving effect to decisions to make additions to, or changes

in, the Régles taken by the present Congress,

but, in view of the highly technical nature of the task involved in drafting such passages, should instruct the Commission as soon as possible after the close of the Congress to refer all the relevant documents to jurists, with instructions that they should prepare the draft of a revised substantive French text of the Régles, together with a literal translation thereof in the English language ;

that, when the draft texts prepared by the jurists in accordance with (a) above were received by the Secretary to the Commission, he should forthwith communicate one copy to each Member of the Commission and to each zoologist who served as an Alternate Member thereof during the Paris Session, with a request that the Member or Alternate Member of the Commission concerned should compare the drafts with the decisions recorded in the Official Record of the Pro- ceedings of the Commission at its Paris Session, as approved by the Congress, and should notify to the Secretary, as soon as possible and in any case within a period of three calendar months calculated from the date of despatch of the draft texts from the Secretariat of the Commission, any dis- crepancy or apparent discrepancy which he may have noted ;

that, on the expiry of the period of three months referred to in (b) above or such earlier date by which all members of the

78 International Commission on Zoological Nomenclature.

(For a later decision substituting an ad hoe Committee for the Executive Committee, see Paris Session, 11th Meeting, Conclusion 5)

(Later reference: Paris Session, 12th Meeting, Conclusion 26)

Article 25, Proviso (a) : meaning of expression

indication” in relation to generic names

Commission may have furnished their comments to the Secretary to the Com- mission, that Officer, after such further consultations with the jurists as he may consider necessary, shall refer the comments received under (b) above to the Executive Committee of the Commission for final decision ;

(d) that, as soon as decisions have been taken by the Executive Committee on the matters referred to them under (c) above, the Secretary to the Commission should prepare for publication at the earliest possible moment an edition of the Régles consisting of the revised substantive French text on left-hand pages and of the corresponding literal translation into English on right-hand pages, the two texts to be printed so as to secure line for line correspondence ;

(e

that, as soon as might be practicable after the publication of the foregoing edition of the Régles, arrangements should be made by the Commission for the publication of editions consisting in each case of the revised substantive French text accom- panied in the first case by an authoritative translation into the German language, in the second case of a translation into the Italian language and in the third case of a corresponding translation into the Spanish language ;

(2) to take note with satisfaction that, thanks partly to the financial assistance anticipated from UNESCO and partly to a special grant made by the Royal Society of London, it was intended to place the revised edition of the Régles on sale at a very low price.

13. THE COMMISSION had under consideration a memorandum submitted by the Secretary to the Com- mission on the subject of the meaning, in relation to generic names, of the expression ‘‘ indication”’ as used in Proviso (a) to Article 25 of the Régles (Commission Paper 1.C.(48)7). Up till 1944 the general but not universal practice of zoologists had been. to assume that a generic name was published with an indication (and therefore complied with the requirements of Proviso (a) to Article 25) if on the first publication of the generic name, previously

VOL. 4 F

4th Meeting, Paris, July, 1948. 79

published nominal species were cited thereunder, irres- pective of whether any descriptive words characterising the genus were published at the same time. In 1944 the Secretary published a note drawing attention to the inter- pretation of the expression indication” given by the Commission in their Opinion 1 (first published in 1907) which made it clear that this interpretation of the expression indication was wider than was justified by the existing law and that it was only when a genus was monotypical or was established with a designated type that a generic name given to it without any descriptive matter possessed any availability under Article 25. In order to clarify the position as regards existing practice, the Joint Committee on Zoological Nomenclature for Paleontology in America had thereupon drawn up a questionnaire which they had distributed to a large body of representative taxonomists in the United States and the United Kingdom. This investiga- tion had elicited 87 significant replies, of which 76 stated that the more liberal interpretation of the expression “indication was employed in the field of the specialist consulted or was employed by that specialist in his owr work or should, in his view, be employed in preference tc the narrower interpretation given in Opinion 1. This latter interpretation was supported by only 11 of the specialists consulted. The replies showed also that in no single branch of the Animal Kingdom did a majority of the specialists consulted favour the interpretation given in Opinion 1, and that in this matter American and British zoologists had an identical outlook (the figures being for United States zoologists, 52 to 6 in favour of the more liberal interpretation, and for British zoologists, 24 to 5). In submitting to the Commission the replies received in answer to the questionnaire, together with a summary, of which the foregoing is an abstract, the Joint Committee had invited the Commission to amend Opinion 1 in such a way as to secure that a generic name published with one or more validly named species’ but without descriptive matter should be regarded as having been published with an “indication” within the meaning of Proviso (a) to Article 25.

In placing this problem before the Commission, THE ACTING PRESIDENT said that zoologists generally were under a debt of gratitude to the Joint Committee on Zoological Nomenclature for Paleontology in America for the careful preparatory work which they had undertaken before submitting their recommendations to the Com- mission. That preparatory work had greatly simplified the issues-involved and would correspondingly ease the task of the Commission in reaching a decision. Proceeding,

80 International Commission on Zoological Nomenclature.

the Acting President recalled that the Commission itself possessed no legislative functions; its functions were judicial and concerned therefore with the interpretation of the Régles ; once, therefore, the Commission had given a judicial interpretation of the meaning of a given provision in the Regles, it was powerless, as a body, to vary that interpretation, unless it could be established that that interpretation itself was in conflict with the express provisions of the Regles, as, for example, it had now been agreed had been the case in the interpretation of Article 14

(Previous reference: given in Opinion 8. Apart from an exceptional case of Paris Session, this kind, the only way to secure that a given provision of Mh Meena, the Regles should bear a meaning different from the inter- Conclusion 5(2)) he Lege : 8 om the inter

pretation given by the Commission in an Opinion was to obtain from the Congress a decision to amend the provision concerned. Immediately upon the adoption of such an amendment, the earlier interpretation given by the Com- mission would lapse, the Opinion in which that interpreta- tion had been given ceasing to have any further relevance. On receiving the application in the present matter from the Joint Committee, he, as Secretary to the Commission, had re-examined Opinion 1 and had come to the conclusion that no technical flaw could be detected in it. In preparing the paper now submitted, he had accordingly recommended the Commission to invite the Congress to secure the desired

end by means of an express amendment of the provisions of Article 25.

THE COMMISSION agreed :—

(1) to recommend that Proviso (a) to Article 25 should be so amended as to secure that a generic or subgeneric name published before Ist January, 1931, shall be available under that Article as from the date of its original publication not only when (as at present) it was then accompanied by a definition or description or when the genus was monotypical or when a type species was designated or indicated by the original author when publishing the name but also when the name, on being first published, was accompanied by no verbal definition or description, the only indication given being that provided by the citation under the generic or subgeneric name concerned of the names of one or more previously published nominal species ;

bo ~~

simultaneously with the adoption of the recom- mendation submitted in (1) above, to cancel as being no longer applicable the interpretation of Proviso (a) to Article 25 given in Section (B)(3) of Omnion 1.

Status of names proposed for forms of less than subspecific rank : preliminary consideration (Previous reference : Lisbon Session,

2nd Meeting, Conclusion 17)

vou, 4 F2

4th Meeting, Paris, July, 1948. 81

14, THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the next item to be considered by the Commission was the question of the status of names proposed for forms of infra-subspecific rank. Preliminary consideration had been given to this subject by the Com- mission at their meeting held at Lisbon in 1935, when they had had before them a resolution on this subject adopted by the Fifth International Congress of Entomology at its meeting held in Paris in 1932. The Commission had decided at Lisbon that the time then at their disposal would not suffice to enable them to deal adequately with the problems involved in the resolution submitted by the Congress of Entomology. They had accordingly decided to invite the Secretary to the Commission to confer with specialists in representative branches of the Animal King- dom regarding the status to be accorded to names proposed for forms of less than subspecific rank, with a view to the formulation of an Opinion appropriate to each of the various circumstances in which this problem arises. In accordance with these instructions, he had held extensive discussions on this subject with leading specialists in various parts of the world. Very helpful suggestions had been received from two specialist groups, namely the American Commit- tee on Entomological Nomenclature and the Joint Com- mittee on Zoological Nomenclature for Paleontology in America, while among individual specialists he was particularly indebted to Dr. Charles L. Remington (U.S.A.). Valuable help had been rendered also by Professor Carlos G, Aguayo (Cuba), Professor J. C. Faure (Union of South Africa), Professor E. Gorton Linsley (U.S.A.), Dr. H. K. Munro (Union of South Africa), Mr. N. D. Riley (United Kingdom), Dr. Curtis W. Sabrosky (U.S.A.), Dr. G. van Son (Union of South Africa) and Dr. Roger Verity (Italy), either through papers published by these authors or through correspondence. It was in the light of these and other consultations that, in collaboration with his wife, he had prepared the Report called for by the Commission at its Lisbon meeting, which he now submitted as Commission Paper I.C.(48)9. For the reasons explained in that Report, he did not consider that it would be practicable to deal with this complicated subject by way of an Opinion, nor would it, in his view, be correct to attempt to do so. If the matter was to be dealt with at all—and he considered it important that it should be dealt with, in view of the wide diversity of practice which existed at the present time—the proper (and the only proper) way to proceed would, in his view, be to invite the Congress to make express provision in the Reégles. Recommendations to this end were included in the Report which he had submitted.

82 International Commission on Zoological Nomenclature.

Fifth Meeting of the Commission during its Paris Session: time appointed

Continumg, THE ACTING PRESIDENT said that there was clearly not time for the Commission to examine the Report at the present meeting. It would be helpful, however, if, before the Commission adjourned, they could indicate their general attitude on the question of the procedure to be followed in dealing with the questions raised in the Report.

THE COMMISSION agreed :— (1) that in view of the importance of the question of

the status to be accorded to names proposed for infra-subspecific forms, the long period during which this matter had been under consideration and the need for securing uniformity in this field of zoological nomenclature, every effort should be made to secure the approval of the present Congress for the insertion in the Reégles of provisions dealing with this subject ;

that the Report submitted by the Secretary (Com- mission Paper I.C.(48)9) should be placed on the Agenda of their next meeting for consideration as the first item.

15. THE COMMISSION agreed :—

to adjourn until 1430 hours on the afternoon of the same day.

(The Commission thereupon adjourned at 1220 hours.) ~

ae

| (83) INTERNATIONAL COMMISSION on ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth International Congress of Zoology, Paris, 21st-27th July, 1948

CONCLUSIONS of the Fifth Meeting held at the Sorbonne in the Amphithéatre Louis-Liard on Thursday, 22nd July 1948, at 1430 hours.

PRESENT :

Mr. Francis Hemming (United Kingdom) (Acting President) Professor H. Boschma (Netherlands)

Professor J. Chester Bradley (U.S.A.)

Professor L. di Caporiacco (Italy)

Professor Harold Kirby (U.S.A.)

Professor Z. P. Metcalf (U.S.A.)

Mr. N. D. Riley (United Kingdom)

Professor R. Spiirck (Denmark)

Professor V. van Straelen (Belgium)

Professor Robert L. Usinger (U.S.A.)

The following were also present :

Dr. E. A. Chapin (U.S.A.)

Mr. C. F. dos Passos (U.S.A.)

Dr. Ellsworth C. Dougherty (U.S.A.) Professor E. R. Hall (U S.A.)

Dr. Henning Lemche (Denmark)

Mrs. M. F. W. Hemming, Personal Assistant to the Secretary Miss J. H. Shorey, Acting Documents Officer

Status of aay a 1. THE COMMISSION resumed their consideration of +} aap we howmis jhe Report on the status of names proposed for forms of less

subspecific rank: than subspecific rank submitted by the Secretary to the peers consideration (‘omission (Commission Paper 1.C.(48)9), to which lous reference: ae : : ; ° Paris Session, preliminary consideration had been given at their previous 4th Meeting, meeting. In this Report Commissioner Francis Hemming Capoesian 4) pointed out that the lowest taxonomic category recognised in the Régles was the subspecies.” There was considerable diversity of view regarding the way in which this expression should be interpreted in this context, some zoologists holding that this expression should be understood to have in the Regles the meaning commonly attached to it by taxonomists, while others argued that in the Regles this expression covers: or should cover, every infra-specific category and not merely populations which differ constantly from one another within a given species. The lack of guidance in the Régles on this question had led to much confusion and diversity of

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International Commission on Zoological Nomenclature.

practice ; it was essential therefore that the Congress'should agree to insert words in the Régles to make it clear which of the two opposing interpretations was correct.

For those zoologists who were primarily concerned with the species problem and the variation of populations within a species, there was no need for names to be given to seasonal forms and other minority elements. Indeed, from the standpoint of this group of zoologists, the giving of names to minority elements was open to strong objection, if those names possessed, or were to possess, a status co- ordinate with that of the names of subspecies and species, for in that event these zoologists would need to keep records of the thousands of names involved, in case it might be found that a name so given was the oldest available name for some subspecies or species which had not hitherto been named or which had no valid name and to ensure that names given to subspecies and species were not homonyms of names given to forms of infra-subspecific rank. On the other hand, there was a considerable body of zoologists, especially in certain groups (e.g. in some of the Orders of the Class Insecta), who were particularly interested in the study of infra-subspecific forms (seasonal, sexual, dimorphic) and individual aberrations. For this group of workers it was essential that protection should be given in the Reégles to names proposed for infra-subspecific forms, since otherwise there would be nothing to ensure that the same form was always denoted by the same name (Law of Priority) or that the same name was always used to denote the same form (Law of Homonymy). In such circumstances, inter- communication and mutual understanding in this branch of zoology would be seriously handicapped.

It was clear therefore that no solution of the present problem would be acceptable which denied to the names of infra-subspecific units the rights conferred by the Law of Priority or excluded such names from the scope of the Law of Homonymy. It was equally clear that no solution would be*acceptable which granted an absolute parity to names bestowed upon infra-subspecific forms with names bestowed upon subspecies and species. The scheme embodied in the Report was designed to meet the practical needs both of those zoologists whose requirements were such that they should have at their disposal names for taxonomic units of infra-subspecific rank and also of those zoologists for whom there was no such need.

The first essential of any scheme designed to meet this twofold need was that the Régles should recognise two cate- gories of name below the category ‘‘ specific name,” namely subspecific name” and infra-subspecific name,” and

5th Meeting, Paris, July, 1948. 85

should give a clear definition of the meaning to be applied to each of these categories. It was suggested that for this purpose the eégles should define the expressions sub- species ”’ and infra-subspecific form ”’ and should provide means for determining to which of the above categories a given name should be regarded as belonging. The criterion to be adopted in applying those definitions must be objective, and it was suggested that it should depend upon the terms in which a given name was origin- ally published. It was not possible to devise a scheme which would apply satisfactorily both to names published before the introduction of the scheme and to names published after that date, for any such scheme would be either too rigorous for names published in the earlier of these periods or insufficiently rigorous for those published in the later period. It was therefore suggested that the Congress should adopt the procedure followed for the amendment of Article 25 at Budapest and that two standards should be established, the first to apply to names published before the introduction of the scheme, the second to names published after that date. The first of these standards would be less rigorous than the second, and would admit to subspecific status a larger number of names than would the second. It was suggested also that, as in the case of the amendment of Article 25, a period of grace should be allowed before the more rigorous standard became operative. The Laws of Priority and Homonymy would apply both to names originally published as the names of subspecies and species and also to names originally published as the names of infra-subspecific forms, but these Laws would apply separately within each category, the two categories being separated from each other by a provision that, while within each category every name would be co-ordinate with every other name, a name in one category would not be co- ordinate with a name in the other. The scheme provided means for the elevation of a name published for an infra- subspecific form to be the name of a subspecies or species and for the relegation of a name published for a subspecies or species to be the name of a form of infra-subspecific rank; in the first of these cases the name would take priority only as from the date of being elevated and would be attributed to the author by whom it was so elevated, while in the second of these cases the name would retain its original priority and would be attributed to its original author. Proposals were also submitted for regulating the way in which names of either category should be designated on being first published as such and the way in which, after publication, names belonging to either category should be cited. Finally, the scheme proposed that special powers

86

International Commission on Zoological Nomenclature.

should be conferred upon the International Commission on Zoological Nomenclature to establish, at the request of specialists, technical designations to be used to the exclusion of all other terms to denote parallel forms occurring in allied species or their subspecies.

A general discussion took place, in the course of which

the following points were raised :—

(a) It was an essential feature of any scheme under which the nomenclature of subspecies and that of infra- subspecific forms was subjected to different sets of rules that a clear definition should be given to each of these expressions. The Report proposed that, for nomenclatorial purposes, the expression sub- species’ should be defined as ‘“‘ a geographical, ecological or other population within a species which differs constantly from another such popula- tion within the same species.”’ Was this definition sufficiently embracing or should it be expanded to make it clear that the expession “or other covered populations consisting largely, though not wholly, of a form arising from a mutation ? It was generally thought that considerable difficulties would arise if express mention were to be made of populations arising from mutations in the definition of ‘“‘ subspecies *”’ owing to the fact that in many cases a subjective judgment was involved in determining whether a given population had arisen in this way. It was felt therefore that it would be preferable to make no express mention of populations arising from mutations, but by leaving in the definition the words or other,” to make it possible in clear cases to bring a name given to such a population within the definition of the name of a subspecies.’ Examples of the kind of case here contemplated were provided by insular faunas where it was sometimes found that a mutant form had become the sole, or virtually the sole, representative of a given species. The definition would be improved if it were reworded so as to stress the fact that its central feature was that a subspecies was a population which differed from other populations within the species, the words

“* geographical, ecological or other *’ being inserted in the definition in such a way as not to obscure this central feature.

(b) In the course of the foregoing discussion, the view was generally expressed that, if (as was ultimately agreed) no express reference to mutants were to be made in the definition of subspecies,” the reference to such forms in the definition of infra-subspecific form” suggested in the Report should be deleted,

5th Meeting, Paris, July, 1948. 87

2

(e

~—

It would then be possible for the names given to mutant forms to be treated on their merits. If such a form constituted a population, the name given to it would rank as the name given to a sub- species, but, where such a form did not constitute a population, a name given to it would rank as a name given to a form of infra-subspecific rank. There were many populations which fully deserved to be regarded as constituting subspecies, in which, however, a minority of the individuals constituting the population concerned did not exhibit the charac- ters which differentiated the remainder of the population from other populations within the species. It would be a mistake, therefore, to make it a condition that, in order that a name given to a population should qualify for treatment for nomen- clatorial purposes as a name given to a subspecies, the population named should differ “‘ constantly from other populations within the species.. It was generally agreed that the word constantly should be deleted from the proposed definition of sub- species.”

It was suggested in discussion that words should be inserted in the definition of subspecies ’” which would exclude from the status of names of sub- species names given to populations which were unknown in a state of nature and had only been brought into existence in laboratory conditions. Would it not be possible to insert some such qualifying phrase as natural” or “in nature” ? Against this view it was argued that it would be unscientific, because illogical, to stigmatise as ynnatural” a population created in laboratory conditions. The laboratory worker could to some extent control the forces of nature but he was not a magician and he was powerless to produce any effect that was contrary to nature. It was agreed that the suggestion referred to above should not be pursued. Some discussion took place regarding the rules to be adopted governing the elevation of a name from the category of “‘ names of infra-subspecific forms ”’ to the category of “names of subspecies.” The question was asked whether it would not be possible to permit a name so elevated to retain its original priority and to be referred to its original author. Was it essential that on being so elevated a name should be treated asa new name in the realm into which it had been translated? It was pointed out that this particular provision was a vital feature

88

(Later reference:

Paris Session, ith Meeting, Conclusion 2)

International

Commission on Zoological Nomenclature.

of the scheme, for it was this provision alone which made it possible for the students of species and sub- species to ignore the thousands of names given to forms of infra-subspecific rank. If this provision ewere to be abandoned, the scheme would be deprived of a great part of its value, for every author who described a new species or subspecies would have to take account of every name given to a form of infra-subspecific rank in the genus concerned, if he were to make sure that the name selected by himself for his new species or subspecies should not be liable to be rejected as a junior homonym if ever some name consisting of the same word which had already been given to a form of infra-subspecific rank of some species or subspecies in that genus were to be elevated to be the name of a subspecies or species.

The scheme, as submitted in the Report, provided for the application within their own sphere to the names of forms of infra-subspecific rank of the Articles in the Regles relating to the names of species and sub- species. This was clearly an essential feature of the scheme but care would need to be taken by the jurists to ensure that this provision was not acci- dentally applied to Articles which by their nature were inapplicable to the names of forms of infra- subspecific rank, for example, Article 17 (which relates to the manner in which subspecific names are to be cited). Another example would be provided by the new Article, if approved, which it had been suggested should be added to the Reégles, prescribing that the trivial name of the nominotypical subspecies _. of a species having two or more subspecies should consist of the same word as the trivial name of the species itself.

The recognition of a new category (“ infra-subspecific name’) in the hierarchy of names would involve a consequential addition to Article 2.

The scheme submitted in the Report contemplated the express grant to forms of infra-subspecific rank of rights under the Laws of Priority and Homonymy as between one another, though not as between the name of such a form and the name of a species or subspecies. Appropriate words would need to be added to Article 25 to cover this point. A corres- ponding provision would have to be inserted in Article 35 (Law of Homonymy).

(Previous reference: Paris Session,

4th Meeting, Conclusion 7)

5th Meeting, Paris, J uly, 1948. 89

(i) At an earlier meeting it had been agreed to

recommend to the Congress that a Recommandation should be added to Proviso (c)(1) to Article 25 laying down an ideal standard of procedure to be followed by authors when giving names to new taxonomic units. The introduction into the Reégles of a new category (the category infra-subspecific name’’) would necessitate a corresponding addition to the Recommandation referred to above. This should be to the effect that a description of a new form of infra-subspecifie rank should include not only an absolute, but also a comparative, description of the form in question, that is, it should contain also particulars of the characters which distinguish that form from some previously described form of infra-subspecific rank in the same species or, if there was no known form with which such a comparison could be made, the characters which

_ distingusih the new form from the general popula-

tion of the species or subspecies concerned.

THE COMMISSION agreed to recommend :—

(1) that the Régles should be modified and extended in accordence with the principles, and in the manner specified in (2) to (15) below, to give effect, subject to certain minor amendments agreed upon during the preceding discussion, to the proposals for dealing with the problem of names proposed for taxonomic units of less than specific rank set forth in the Report submitted by the Secretary to the Commission as Commission Paper I.C.(48)9 ;

that, as a first step to the regulation of names given to taxonomic units of less than specific rank, words should be inserted in the Regles defining the expression ‘‘ subspecific name” and recognising and defining the expression infra-subspecific pame.”? >= -

bo eater

(3) that, as used in connection with the foregoing categories of name, the expressions subspecies ”” and “infra-subspecific form” shall have the meanings specified below :—

Expression Definition of expression

“Subspecies” 1... A population (e.g., geographical, ecolo- gical) within a species which differs from any other such population within the same species.

90

International Commission on Zoological Nomenclature.

(4)

(6)

* Infra-subspecifie Any form of a species other than a form subspecies as defined above (e.g. seasonal forms and minority ele- ments of al] kinds within a species, such as sexual forms, transition forms, aberrations, etc.) ; that, having regard to the fact that it was not possible to devise provisions for determining whether a trivial name published for a taxonomic unit of less than specific rank was to be regarded as the trivial name of a subspecies or of an infra- subspecific form, which would be equally appro- priate for trivial names published before the introduction of the new scheme and for names published after its introduction, the Régles should provide two standards by which such names might acquire ‘status as subspecific trivial names, one, more lenient, to be applied to names already published, the other, more rigorous, to be applied to names published in the future ;

that, in view of the need for giving adequate notice to zoologists of the new provisions before they became operative, the point of time to be specified in the Régles as that from which the more rigorous of the standards referred to in (4) above should be applicable should be midnight G.M.T. (Greenwich Mean Time), 31st December, 1950/Ist January, 1951 ;

that, in order to ensure against the risk that names intended by their authors to be the trivial names of subspecies might fail to acquire status as such on account of some technical nomenclatorial reason, care should be taken to avoid prescribing unduly detailed conditions to be complied with by names, in order that, on being first published, they should acquire the status of a trivial name of a subspecies and not merely that of a trivial name of an infra-subspecific form ; that the conditions to be prescribed should therefore represent a minimum standard ; but that, in order to provide a guide to the highest standard to be aimed at, Recommandations prescribing that standard should be added to the relevant new provisions of the Regles ;

that the criterion to be applied for determining whether a given trivial name was to be regarded as the trivial name of a subspecies or as the trivial name of an infra-subspecific form should be the

5th Meeting, Paris, July, 1948. 91

objective standard provided by the terms in which the name in question was originally published, and that the Régles should accordingly provide :—

(a) that any trivial name published, prior to the point of time specified in (5) above, as the trivial name of a taxonomic unit of less than specific rank should be deemed to have been published as the name of a subspecies or, as the case may be, of an infra-subspecific form in accordance with the following rules :—

(i) as the trivial name of a subspecies, when, at the time of the original publication of the name, the author concerned either (1) clearly indicated that he regarded the taxonomic unit named as of subspecific rank or (2) did not clearly indicate the status attri- buted by him to the unit so named, that is to say, whether he regarded it as being a subspecies or as being an infra-subspecific form ;

(i) as the trivial name of an infra- subspecific form, only when, at the time of the original publication of the name, the author concerned expressly indicated that he regarded the taxo- homic unit so named as being an infra-subspecific form ;

(b) that any trivial name published, after the point of time specified in (5) above, as the trivial name of a taxonomic unit of less than specific rank should be deemed to have been . published as the name of a subspecies or, as the case may be, of an infra-subspecific form in accordance with the following rules :—

(i) as the trivial name of a subspecies, only when, at the time of the original publication of the name, the author concerned clearly indicated that he regarded the taxonomic unit so named as being a subspecies ;

(li) as the trivial name of an infra- subspecific form, in all cases where, at the time of the original publication of the name, the author concerned either expressly indicated that he regarded the taxonomic unit so named as being an infra-subspecific form or, if he did

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International Commission on Zoological Nomenclature.

not so indicate the status of the taxonomic unit concerned, where he failed to indicate clearly that he regarded that unit as being of sub- specific rank ;

(8) that the Recommandations referred to in (6) above should strongly recommend :— j

(a) that an author, when publishing a trivial

(b

name for a previously unnamed subspecies, should cite that name in a trinominal combination (consisting of (1) the generic name, (2) the specific trivial name, and (3) the subspecific trivial name) and should add, immediately after the subspecific trivial name, the expression “ssp. n.” or some equivalent expression, thereby in-

_ dicating both that the name is a new name

~—

and that it is intended to apply to a sub- species ;

that an author, when publishing a trivial name for a previously unnamed infra- subspecific form, should (1) cite the specific name (consisting of a binominal combination of the generic name and the specific trivial name) of the species concerned or, if the form is described as a form of a subspecies only, the name of that subspecies (consisting of a trinominal combination of the generic name and the specific and subspecific trivial names of the subspecies concerned), (2) insert after the specific or subspecific trivial name, as the case may be, a comma followed by an expression indicating the status attributed to the form in question (e.g. an expression such as ‘‘ form. vern.’’, ‘‘ 9-form,”’ or ab.”’), and (3) add the name of the new infra-sub- specific form, followed by the expression “form. n.”’ or some equivalent expression, thereby indicating both that the name is a new name and that it is intended to apply to an infra-subspecific form ;

(9) that a clear distinction should be drawn in the Régles between the status of a name originally published as the trivial name of a subspecies or species and that of a name originally published as the trivial name of an infra-subspecific form, and therefore. that provisions should be inserted to secure :—

5th Meeting, Paris, July, 1948. 93

(a)

(e)

(f)

that, while the Law of Priority (Article 25) and the Law of Homonymy (Articles 35 and 36) apply both to the trivial names of sub- species and species on the one hand and to the trivial names of infra-subspecific forms on the other hand, those Laws apply separately to each of these two categories of names, which thus constitute self-contained and mutually independent sectors of nomen- clature ;

that (as at present) the trivial names of subspecies should be co-ordinate with the trivial names of species and wice versa;

that the trivial name given to any infra- subspecific form be co-ordinate with the trivial names given to all other infra- subspecific forms but not with the trivial names given to subspecies and species ;

that a trivial name orginally published as the trivial name of an infra-subspecific form may be elevated to the status of a subspecific trivial name or of a specific trivial name by a subsequent reviser and in that event shall rank in its new status for purposes of priority as from the date on which it was so elevated and shall be attributed to the author by whom it was so elevated ;

that, for the purposes of (d) above, an

‘author is to be deemed to have elevated to

the status of a subspecific or specific trivial name a name originally published as the trivial name of an infra-subspecific form if he is the first author expressly to state that he is so doing or to make it clear that he regards the animal in question as repre- senting a subspecies or species instead of an infra-subspecific form, the mere citation of the name in question in trinominal form, if unaccompanied by further evidence, not constituting evidence of elevation ;

that, where a name, originally published as the trivial name of an infra-subspecific form, is elevated to the status of a trivial name of a subspecies or species by a subse- quent reviser, acting under (d) above, and some other author does not recognise the taxonomic validity of the action taken by

International Commission on Zoological Nomenclature.

the previous reviser and in consequence continues to regard the animal concerned as representative not of a subspecies or species but of an infra-subspecific form, the trivial name of that organism shall, for any such author, retain its original priority and shall be attributed to its original author ;

that, where an animal which, when originally named, was treated as representing a sub- species or species, is treated by a subsequent reviser as representing a taxonomic unit of infra-subspecific rank, the trivial name originally given to that animal shall continue to be applied to it and shall in its new status retain its original priority and be attributed to its original author ;

oe

(10) that, in order to obtain as high a degree of clarity

~—

as possible, a Recommandation should be added to the provisions to be inserted in the Regles to give

- effect to (9)(d) above, urging that, when an author

is the first author to treat as representing a sub- species or species an animal which, when originally named, was treated as representing an infra- subspecific form, and in so doing is the first author to elevate the name originally published for that animal to the status of a subspecific or specific trivial name, that author should expressly state that he is so doing and should, as soon as possible thereafter, notify his action to a recording serial such as the Zoological Record, either by sending a marked copy of the paper concerned or otherwise ;

that a provision should be inserted in the Régles prescribing that, when an author cites the name of an infra-subspecific form, he should (a) cite the specific name (consisting of a binominal combination of the generic name and the specific trivial name) of the species concerned or, if the form is treated as a form of a subspecies only and not of the species as a whole, the name of that subspecies (consisting of the trinominal combina- tion of the generic name and the specific and sub- specific trivial names of the subspecies concerned), (b) insert after the specific or subspecific trivial name, as the case may be, a comma followed by an expression indicating the status attributed to the form in question (e.g. an expression such as “form. vern.”’, ‘‘ 9-form,” or ab.””) and (3) add

>

the name of the infra-subspecific form ;

OS

(Previous reference: Paris Session,

4th Meeting, Conclusion 7)

VOL.4@4

5th Meeting, Paris, July, 1948. 95

(12) that, in view of the decision to recognise and define

(13

(14)

(15

~—

the new nomenclatorial category infra-sub- specific name,’ words should be inserted in Article 2 providing :—

(a) that, where an infra-subspecific form is cited in relation to a species, the scientific designa- tion of that form is a qualified trinominal, having regard to the fact that a descriptive designation is interpolated between the trivial name of the species and the trivial name of the infra-subspecific form, and thus differs from the unqualified trinominal constituted by the scientific designation of a subspecies ;

(b) that, where an infra-subspecific form is cited in relation to a subspecies, the scientific designation of that form is a qualified quadrinominal ;

that, having regard (a) to the decision taken at the meeting of the Commission noted in the margin to insert a Recommandation to Provise (c)(1) to Article 25, laying down the ideal procedure to be followed by authors when naming new taxonomic units, and (b) to the present decision to recognise and define the new nomenclatorial category infra-subspecific name,’ words should be added to the Recommandation referred to above urging every author, when drawing up a descrip- tion of an infra-subspecific form not only to give an absolute description of that form, but also to indicate the characters which distinguish that form from some previously described infra- subspecific form in the same species or, if there is no known form with which such a comparison could be made, the characters which distinguish the new form from the general population of the species or subspecies concerned ;

that a provision or provisions should be inserted in the Régles applying to the trivial names of infra-subspecific forms the provisions in the Régles relating to the trivial names of species and subspecies, other than those provisions, which, having regard to recommendations (1) to (13) above, it would be inappropriate so to apply ;

that, in order to prevent the confusion which might arise (and to remove the confusion which in certain instances had already arisen) when

96 International Commission on Zoological Nomenclature.

Article 2 :

insertion of reference to category “subgenus”

different trivial names were applied to parallel infra-subspecific forms occurring in two or more allied species or their subspecies, provisions should be inserted in the Régles :—

(a) empowering the International Commission on Zoological Nomenclature, on the applica- tion of specialists in the groups concerned, to use their plenary powers to establish technical designations to be applied to such parallel infra-subspecific forms, such desig- nations to be exempt from invalidation under the Law of Homonymy and :—

(i) to consist of Latin or Latinised words or words treated as such; and

(u) to comply with the provisions in the Regles relating to the formation, derivation and orthography of specific and subspecific trivial names ;

in =

prescribing that, where a given term is specified under the foregoing procedure to be the technical designation of a parallel infra-subspecific form occurring in two or more allied species, the term so specified shall have absolute priority over :—

(i) any trivial name which may already have been given to that form in any of the species concerned, and over

(u) any other use of the same word as the name of any other infra-subspecific form of any species in the same genus or genera.

2. In the course of the discussion recorded in Conclusion 1 above relating to the addition required to be made to Article 2 of the Régles consequent upon the recognition for nomenclatorial purposes of the new nomenclatorial category ‘* infra-subspecific name,” attention was drawn to the fact that the drafting of Article 2 was defective and required amendment. For although that Article purported to give a general indication of the nature of the scientific designa- tion applicable to each of the taxonomic categories recognised for nomenclatorial purposes, it failed to make it clear that, as the category “subgenus” was an optional category, a subgeneric name, when used, was to be ignored in calculat- ing the number of words of which a specific or subspecific name was composed. It was necessary that this ambiguity . should now be removed.

Articles 35 and 36: problem of specific homonyms: preliminary consideration

VOL, 4 @?

5th Meeting, Paris, July, 1948. 97

THE COMMISSION agreed to recommend :—

that words should be inserted in Article 2 to indicate:— that, as the subgenus is an optional category, the name of a subgenus, when used, is not to be taken into account when determining the number of words comprised in the scientific designation of species and subspecies and therefore that the interpolation of a subgeneric name between the generic name and the specific trivial name of a species does not, in the case of the name of a species, convert that name from a binominal into a trinominal or, in the case of the name of a subspecies, convert that name from a trinominal into a quadrinominal.

3. THE COMMISSION had under consideration a memorandum containing proposals for the amendment of the provisions of Articles 35 and 36 in relation to specific homo- nyms submitted by the Secretary to the Commission as Commission Paper I.C.(48)8.

THE ACTING PRESIDENT said the question of the meaning of the provisions of the Régles in regard to specific homonymy had first been officially placed before the Commission by the late Professor T. D. A. Cockerell in 1937. The particular case then submitted involved the question of whether a trivial name replaced as a secondary homonym should be revived if the union of genera which had created the secondary homonymy was no longer recognised (cf. paragraphs 3 and 4 of Paper I.C.(48)8). Owing to his pre- occupation at that time with the reorganisation of the Secretariat of the Commission and other matters, the Secretary to the Commission had invited President Jordan to undertake, on his behalf, a preliminary sounding of the views of the Commissioners on the question raised by Professor Cockerell. This consultation had been completed by the summer of 1939 but further progress in the matter had been interrupted by the outbreak of war in Europe in September of that year and it had not been until 1943 that it had been possible to resume work on this problem. Since that date, he (the Acting President), in his capacity of Secretary to the Commission, had given a great deal of further consideration to the matter and had received a large volume of correspondence from many different sources. In this correspondence a number of extremely helpful contribu- tions had been received. In the first place he desired to ack- nowledge the valuable analysis of the problem made by Dr. Richard E. Blackwelder (United States National Museum, Washington, D.C.). Interesting and suggestive

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International Commission on Zoological Nomenclature.

points had been raised also by: Dr. Joshua L. Baily, Jr. (San Diego, Cal.); Dr. Ellsworth C. Dougherty (University of California); Professor Carl L. Hubbs (University of Michigan) ; Dr. J. Brookes Knight.(United States National Museum, Washington, D.C.) ; Dr. E. W. Price (U.S. Bureau of Animal Husbandry); Professor Dr. Rudolf Richter (Senckenberg Institution, Frankfurt, Germany); Dr. Hobart M. Smith (University of Rochester, N.Y.). In addition, he had had extensive personal discussions with leading specialists in many countries. The visit which he had been able to pay to the United States and Canada at the end of 1947 had been of particular value in providing extensive opportunities for discussions both with organised groups of specialists and with individual workers in particular parts of the Animal Kingdom. Finally, he wished to express his grateful thanks to his wife who had worked over the whole of the material and had taken an active part in the formulation of the document now before the Commission.

Continuing, THE ACTING PRESIDENT said that from the communications which he had received and the con- sultations which he had held, two things had become evident: first, that the general opinion and practice of zoologists in the treatment of so-called secondary homonyms was developing and changing, second, that the original plan that the Commission should confine itself to giving an authoritative interpretation of the existing text of Articles 35 and 36 was no longer adequate to the situation and that a more radical treatment of the whole problem was needed. The need for a fresh approach was evident, both because a closer examination of Articles 35 and 36 disclosed a number of gaps and ambiguities and failed to provide answers to a number of essential questions and also because the preliminary consultations conducted by President Jordan had brought to light a fundamental confusion of two distinct questions: first, what the Regles, as they stand, really mean, and, second, what zoologists in general would like them to mean, which might be, and in this particular case apparently was, entirely different. This confusion no doubt arose from the unduly defeatist attitude then prevalent towards the possibility of amending the Regles and the conviction that the only way of securing the desired end was to persuade the International Commission to render an Opinion interpreting the existing provisions of the Reégles in the desired sense, irrespective of the normal meaning of the words actually used in the Articles concerned. Such a procedure could not be regarded as satisfactory or as likely to promote the general respect and adherence which the Regles should command. If zoologists in general were not

5th Meeting, Paris, July, 1948. 99 Y

satisfied with the provisions of the Regles as they stood, it would be mich better for the provisions concerned to be amended in the direction required, than for the Commission —or individual workers—to try to read into the existing words a meaning which was obviously not there at present.

The gaps and ambiguities in Articles 35 and 36 showed very clearly that the problem of specific homonymy was much more complex than the authors of the Regles had realised, and that-any satisfactory regulation of this subject would call for provisions both more precise and more comprehensive than those embodied in the present Articles. In the paper (I.C.(48)8) which he (the Acting President) had submitted to the Commission, he had taken, as a basis of discussion, the schematic presentation of the eight major types of specific homonym which had recently been put forward by Dr. Richard Blackwelder. In order to weigh the relative advantages of the various possible solutions of the problem presented by specific homonymy, it was necessary carefully to examine the various circumstances in which a situation of homonymy might arise. In the first of the cases to be considered—Case “A ”—a specific trivial name (albus) was published for two different species, each of which at the time that this trivial name was applied to it was referred to the genus “X”: in this case it was assumed that the two species were still regarded by all taxonomists as congeneric. In this case, therefore, a situation of unequivocal homonymy existed from the date on which the specific trivial name albus was published for the second of the two species concerned. Case B” was exactly similar to Case A,” except that at some date subsequent to the publication of the specific trivial name albus for the second species, either that species or the other species bearing the same specific trivial name had been removed on taxonomic grounds to another genus (genus “Y”). InCase “CO” the first of the species to be described under the specific trivial name albus had been removed (on taxonomic grounds) from the genus X,” before the date of the description in genus X of the second species bearing the same trivial name (albus). In Case D,” the two species bearing the same trivial name (albus) were originally described in different genera, but before the description in genus X ”’ of the later of the two species to be described, the species bearing the older trivial name had been trans- ferred to genus X (from genus Y ”), thus producing unquestionable homonymy. Case “E” was similar to Case D,” except that the transfer to the genus X of the species bearing the older trivial name took place after the date of the description in that genus of the species bearing the later-published trivial name. Cases F,” “@” and

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International Commission on Zoological Nomenclature.

““H”’ were similar to Cases ‘‘D” and “EH,” except that the transfer to genus X of the species bearing the older trivial name was temporary ; in Case F entirely prior to, in Case “G” entirely subsequent to, and in Case “H” partly before, and partly after, the description in that genus of the second of the species to be published with the trivial name albus.

The Acting President went on to say that discussions of the problem of homonyms, both past and recent, had disclosed wide divergences of views and suggested that it was not likely to be possible to find any solution which would give complete satisfaction to everyone. The solution to be aimed at must satisfy, to as high a degree as possible, a number of different, and, in part, mutually inconsistent, requirements. It was the difference in weighting attributed to these conflicting desiderata, rather than a difference in views on the desiderata themselves, that was responsible for the widely divergent proposals advocated in different quarters. The principal desiderata which any satisfactory solution must aim to supply to the highest degree mutually compatible with one another were six in number: (1) the avoidance of the confusion which would arise if the same name were used for two different species of animals ; (2) the avoidance of the confusion which would arise if one species of animal were known by two different names; (3) the avoidance of the need for unnecessary time-consuming researches into early literature; (4) the avoidance of any subjective element in the interpretation of the Régles, so that the trivial name which they prescribe may be inde- pendent of the taxonomic views of individual workers ; (5) the avoidance of unnecessary changes in trivial names now in use; (6) the avoidance of the risk of names being unnecessarily replaced through deliberate misuse of the provisions of the Régles.

Although there was no mention of it in the Régles, a distinction had been drawn by many zoologists between

primary homonyms on the one hand and secondary homo-

nyms on the other: Primary homonyms were pairs of specific names consisting of combinations of a generic name and a speeific trivial name identical at the time of their original publication. Secondary homonyms were all other kinds, namely pairs of identical specific trivial names which were not originally published in combination with the same generic name but subsequently came to be used in combination with the same generic name through the transfer of one or both of the species concerned to another genus or through the union of two or more genera. Of the eight types of homo- nym to which he had referred a few moments earlier, Cases

a

5th Meeting, Paris, July, 1948. 101

A,” B,” and C were examples of primary homonyms, while Cases D,” “E,” “F,” “G,” and “H” were ex- amples of secondary homonyms.

Every zoologist would agree that, where in his judgment homonymy currently existed (e.g. in Cases A,” D,” and E”’) the later published of the two identical trivial names must certainly be replaced. But there was no general agreement as to what a zoologist should do in those cases where there had at one time been homonymy but in his judgment no homonymy currently exists. The main issues on which opinions (and practice) differed were the following :—

(1) Should a primary homonym be replaced whenever it was discovered, or only when the condition of homonymy was considered still to exist (Case A ”’) but not otherwise (Cases ““B” and “© ”) 2

(2) Should a secondary homonym be replaced whenever it was discovered, or only when the condition of homonymy was considered still to exist (Cases “D” and “E”) but not otherwise (Cases F,” ee G,” and “ce H if} 2

(3) If a primary homonym had been replaced because a

condition of homonymy existed at that time, should the original name be restored later when, through the transfer of one or both of the species to another genus (or other genera) or through the subdivision of the original genus into two or more genera, the condition of homonymy was considered no longer to exist ?

If a secondary homonym had been replaced because a condition of homonymy was considered to exist at

_ that time, should the original name be restored later

when, through the further transfer of one or both of the species to another genus (or other genera) or through the subdivision of the genus in which the homonymy occurred into two or more genera, the condition of homonymy was considered no longer to exist ?

bn

The various permutations and combinations of possible answers to these questions, the Acting President pointed . out, provided more than a dozen possible solutions. Of these, five only had been put forward or had received any appreciable support from zoologists. These were :—

Proposal (I). The permanent replacement of all homonyms whenever they were discovered (i.e. the rejection and permanent replacement of the later published of the pair of trivial names consisting of the

102 International Commission on Zoological Nomenclature

: 1 ee 99 ¢¢ >) 99 6 99 6 x9 ae 39 word: albus i Cases “A,” Be”? t.6,° “DY SB? oR “G,” and H,” whenever homonymy was discovered).

Proposal (II). The permanent replacement of all primary homonyms whenever discovered, combined with the temporary replacement of secondary homonyms only if discovered when, and for the period during which, homonymy was considered to exist (i.e. the rejection and permanent replacement of the later published of the two identical trivial names in Cases “A,”’ B,”’ and “‘C,”’ when- ever discovered, and the temporary replacement of the later published of the two identical trivial names if homonymy was discovered during the period in which it was considered to exist, with the restoration of that trivial name when the condition of homonymy was thought no longer to exist as in Cases ““G” and H”’). In Cases “‘D” and “‘ E,” the later published identical trivial name must necessarily be replaced after the dates on which the two species were transferred to the same genus, for in those cases the condition of homonymy was assumed to persist. In Case F”’ there was no need at any stage to replace the later published of the two trivial names.

Proposal (III). The temporary replacement of both primary and secondary homonyms if discovered when, and for the period during which a condition of homo- nymy was considered to exist. This proposal was the same as Proposal (II), except that under it the later published of the two identical trivial names would not have to be replaced permanently in Case B but only during the period in which the condition of homonymy was considered to exist. It would not have to be replaced at all unless the homonymy were discovered during those years. In Case “C” the later published of the two identical trivial names would not have to be replaced at all under this Proposal.

Proposal (IV). The permanent replacement of both primary and secondary homonyms, but only if discovered during the period in which a condition of homonymy was considered to exist. This Proposal differed from Pro- posal (I) only by reason of the fact that the replacement of both primary and secondary homonyms would take place only if these were discovered during the period in which the condition of homonymy was considered still to exist.

Proposal (V). The permanent replacement of primary homonyms whenever discovered, combined with the permanent replacement of secondary homo- nyms only if these were discovered during the period in

Se ee _—S

5th Meeting, Paris, July, 1948. 103

which the condition of homonymy was considered still to exist. This Proposal differed from Proposal (II) only by reason of the fact that the replacement of secondary homonyms, whenever it took place, was to be permanent.

THE ACTING PRESIDENT then said that he had listed fullythe merits and demerits of each of these proposals in paragraphs 18 to 27 of the paper which he had submitted (Commission Paper I.C.(48)8) and, after setting the one against the other, had come to the conclusion that the last of these proposals was the one to be preferred, offering, as it did, in his view, the least disadvantages or disadvantages

' which were most amenable to remedy by other means. He

asked the Commission, before proceeding further, to consider very carefully the various arguments in favour of, or against, each of the five proposals which he had outlined and to decide which of them provided the best basis for an agreed solution.

IN THE DISCUSSION which ensued, general agree- ment was expressed with the view that the problem of specific homonymy could not be dealt with satisfactorily by means of.an Opinion rendered by the Commission inter- preting the existing provisions of Articles 35 and 36. What was needed was the substitution for those Articles of new Articles which would set out clearly and comprehensively whatever provisions might be agreed upon for regulating this question.

The Commission turned then to consider the relative merits and demerits of each of the five main proposals which had been outlined by the Acting President, particular attention being paid to the summary of the considerations on either side given in paragraphs 18 to 27 of Commission Paper I.C.(48)8. In the course of this discussion, the following views were expressed :—

(a) Proposal (1) went much further than was either necessary or desirable, for it contemplated the rejection and replacement not only of trivial names which had been homonyms at the time when they were originally published or which were now regarded as homonyms, but also of every trivial name which, through carelessness, ignorancé or any other cause, had ever been a homonym of some other trivial name (Cases F,” G,” and “‘H”’). This proposal, if adopted, would cause unending trouble and confusion to the systematic worker who would need to be constantly on the watch to make sure that no author had amalgamated some genus with another and thus destroyed the validity of what had

104

International Commission on Zoological Nomenclature.

previously been a perfectly valid name. Such workers would require to make a close study of the works not only of the best authors (as at present) but also of the worst authors, for it would be mostly in the works of such authors that the lumping of taxonomically valid genera into large omnibus genera would be likely to be found. Systematic workers would also have to extend their reading to educational and semi-popular works where the nomenclature used was often extremely faulty.

(b) Whatever scheme was adopted, it should be such as

to satisfy the second of the desiderata enunciated by the Acting President, namely that it should ensure that any given species should always have the same word as its valid trivial name, irrespective of the subjective view of taxonomists as to the genus to which that species should be referred. This consideration ruled out both Proposal (II) and Proposal (III). ~

The choice before the Commission lay, therefore between Proposal (IV) and Proposal(V). Both these proposals secured that every species should always have the same trivial name, whatever might be the subjective views of individual workers regarding the taxonomic relationship of one species with another. The two proposals differed from one another only by the treatment proposed to be accorded to primary homonyms which, under Proposal (IV), would be liable to rejection and replacement on the same terms as secondary homonyms, whereas, under Proposal (V), they would be permanently rejected whenever discovered. The distinction between primary and secondary homonyms which lay at the basis of Proposal (V) was concerned with the nomenclatorial problem of homonyms in the field of nominal species, whereas Proposal (IV) was directed solely to the taxonomic problem of homo- nyms in the field of taxonomic species. The advocates of Proposal (IV) argued that it was sufficient to secure that every currently recognised taxonomic species had a distinct name, and considered that it was of no importance whether two nominal species were originally described under the same name in the sense of the same binominal combination, since a reference to the original author and date of publication would avoid any confusion arising therefrom. These workers argued therefore that there was no need to replace a primary homo-

5th Meeting, Paris, July, 1948. 105

nym when the species concerned was no longer referred to the same genus as that containing the other species having an identical but earlier published trivial name. The Acting President said that he had given the most careful consideration to this proposal, which offered the advantage in some groups of reducing the number of cases in which changes of trivial names would be necessary. But, on the other hand, he was impressed by the fact that the name of the author and the date of publication did not form part of a zoological name and that it was extremely desirable that each nominal species should possess as its nomenclatorially valid specific name a binominal combination of a generic name and a specific trivial name that was unique, in the sense of not being shared with any other species. More- over, he was impressed further by the fact that to abandon the distinction between primary and secondary homonyms would be to depart from the commonly accepted practice of zoologists. On balance, therefore, although in some cases Proposal (V) would involve changes in trivial names which would not be called for under Proposal (IV), he felt that it was to be preferred in the interests both of avoiding nomenclatorial (as contrasted with taxono- mic) confusion and of securing continuity of practice. Both Proposals (IV) and (V) suffered from the dis advantage that they were open to abuse in the form of the deliberate creation of secondary homonyms by irresponsible or malicious revisers, but, if any _ such abuse were to be attempted, it could promptly be countered by the Commission employing their plenary powers. to suppress for nomenclatorial purposes any book or paper in which the Régles were misused in this way.

THE COMMISSION agreed :—

to adopt Proposal (V) in Commission Paper I.C.(48)8, namely the permanent replacement of primary homo- nyms whenever discovered, combined with the permanent replacement of secondary homonyms only if these were discovered during the period in which the condition of homonymy was considered still to exist, as the basis of the new provisions relating to specific homonymy to be recommended for insertion in the Regles in place of the existing Articles 35 and 36.

106 International Commission on Zoological Nomenclature.

Sixth Meeting of 4. On the proposal of the Acting President, THE the Commission (QMMISSION agreed :—

during its Paris Session: time

sapamnted to postpone their consideration of the detailed pro- .

visions required to give effect to the decision just taken - in regard to the reform of the Reégles in regard to specific homonymy until their next meeting, to be held the same afternoon at 1700 hours.

(The Commission thereupon adjourned at 1620 hours.)

( 107 )

INTERNATIONAL COMMISSION on ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth I nternational Congress of Zoology,

Paris, 21st-27th July, 1948

CONCLUSIONS of the Sixth Meeting held at the Sorbonne in the Amphithéatre Louis-Liard on Thursday, 22nd J uly, 1948, at 1700 hours

PRESENT :

Mr. Francis Hemming (United Kingdom) (Acting President) Professor H. Boschma (N etherlands)

Professor J. Chester Bradley (U.S.A.)

Professor L. di Caporiacco (Italy)

Professor Harold Kirby (U.S.A.)

Mr. N. D. Riley (United Kingdom)

Professor R. Spirck (Denmark)

Professor V. van Straelen (Belgium)

Professor Robert L. Usinger (U.S.A.)

The following were also present :

Dr. KE. A. Chapin (U.S.A.) Dr. Ellsworth C. Dougherty (U.S.A.) Dr. Henning Lemche (Denmark)

~

Mrs. M. F. W. Hemming, Personai Assistant to the Secretary Miss J. H. Shorey, Acting Documents Officer

Articles 35 and 36 : 1. THE ACTING PRESIDENT recalled that at the

Nd oi - ecific Close of their last meeting the Commission had concluded further the first part of their consideration of the problem of consideration specific homonymy by agreeing to recommend the adoption

(Previous reference:

Paris Session, 5th Meeting, Conclusion 3)

of Proposal (V) in Commission Paper I.C.(48)8, namely the permanent replacement of primary homonyms whenever discovered, combined with the permanent replacement of secondary homonyms only if these were discovered during a period in which the condition of homonymy was considered still to exist, as the basis of the new provisions relating to specific homonymy to be inserted in the Regles in place of the existing Articles 35 and 36. It now remained for the Commission to consider the various detailed suggestions for giving effect to the foregoing decision set out in para- graphs 30 to 40 of Commission Paper I.C.(48)8 and for embodying in the Régles provisions relating to certain matters which were either omitted from, or were am- biguously or otherwise unsatisfactorily dealt with in, the existing text of Articles 35 and 36.

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International Commission on Zoological Nomenclature.

The following is a summary of the principal points which emerged in the ensuing discussion.

(A) Need for the definition of the expressions homonym,” primary homonym,” and secondary homonym”’: It was

generally agreed that, in view of the decision to introduce

into the Reégles a distinction between the treatment of a primary homonym and a secondary homonym,” it was essential that, as suggested by the Acting President in Commission Paper I.C.(48)8 (paragraph 31), clear definitions of these expressions should be inserted in the Régles. It was felt also that it would be useful to incorporate into the Régles a definition of the expression “‘ homonym in place of the definition of homonymy given in a footnote in the present text.

(B) Scope of the definitions to be given to the expressions “primary homonym” and secondary homonym”: The Acting President had suggested in Commission Paper I.C.(48)8 (paragraph 31) that, as proposed in paragraph 15 of that paper, the expression primary homonyms should be defined as pairs of specific names consisting of identical combinations of generic and specific trivial names at the time of their original publication and that the expression ‘secondary homonyms” should be defined as pairs of identical specific trivial names which were not originally published in combination with the same generic name but which later came to be so combined through the transfer of one or both of the species concerned to another genus or through the union of two or more genera.” These definitions had been restated in the singular in paragraph 41(7) of the same paper. The wording employed in these suggested

- definitions had been deliberately selected to cover two

different classes of case, namely: (1) the case where two nominal species having the same specific trivial name were either originally published in, or were subsequently trans- ferred to, the same genus; and (2) the case where two nominal species having the same specific trivial name were originally published in different genera but through the accident of an undetected condition of generic homonymy those two genera had the same name, and the case where two nominal species having the same specific trivial name were originally published in different genera, each having a different name, but later one or both of these nominal species were transferred to another genus (or other genera)

which through the accident of an undetected condition of

generic homonymy had the same generic name. Clearly, the first of these classes of case must be covered by the definitions to be adopted for primary and secondary homo- nyms respectively, but it was not so clear that the second

ee

(For a later decision modifying this decision, see Paris Session, 12th Meeting, Conclusion 28)

6th Meeting, Paris, July, 1948. 109

need be included in these definitions. The second class of case was not gf great practical importance, in view of the fact that the number of occasions on which the particular situation there envisaged had actually arisen was relatively small. A provision of some sort should be included in the Reégles to cover such cases, for otherwise authors encounter- ing such cases would not know how to proceed. On balance, it was felt that this class of case ‘should be covered by the definitions to be adopted for primary and secondary homo- hyms respectively. It was agreed therefore that the definitions to be adopted for these expressions should be framed on the lines suggested in paragraph 15 of Commission Paper I.C.(48)8,

(C) Essential differences between primary and secondary homonyms: In their earlier discussion regarding the type of scheme to be adopted for regulating specific homonymy, the Commission had accepted the view that every species should possess as its nomenclatorially valid specific name a binominal combination of generic and specific trivial names which was unique, not being shared with any other species. Thus, in cases where the two species concerned were no longer regarded as congeneric, it was a purely nomen- clatorial consideration which pointed to the need to reject the later published of any pair of primary homonyms. The rejection of secondary homonyms rested on an entirely different foundation, for it was the taxonomic need for ensuring that every species in a given genus should have a different specific trivial name which made it essential to reject the later published of any pair of secondary homo- nyms. But this was not the only difference between primary and secondary homonyms: the existence of a condition of primary homonymy between two specific names was an objectively ascertainable nomenclatorial fact, whereas a condition of secondary homonymy arose only through the application by zoologists of their subjective taxonomic ideas. In the case of primary homonyms, therefore, there was no need to provide a special procedure in the Regles for the rejection of the later published of any pair of primary homonyms, for such a name was invalid from the moment of its publication ; all that it was necessary to do was to provide rules for the replacement of invalid primary homonyms, when detected. The situation was quite different as regards secondary homonyms, for there was no directly objective test which could be applied to determine whether any pair of specific trivial names should be treated as secondary homonyms of one another. The provisions to be inserted in the Régles must prescribe a procedure which would result in a uniform nomenclature being applied by all concerned, not only by the author who rejects a

110 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session,

4th Meeting, Conclusions 6, 7 & 8)

specific trivial name as a secondary homonym, but also by all subsequent authors who may have occasion to refer to the species concerned. This procedure must ensure that a given species would be referred to by the same specific trivial name, irrespective of the subjective taxonomic views of the authors concerned. The rules of procedure for rejecting a specific trivial name as a secondary homonym must be sufficiently precise to secure uniformity, but care would have to be taken to avoid the insertion in the Regles of mandatory provisions which, by aiming at too high a standard, would have the undesired effect of invalidating on technical nomenclatorial grounds specific trivial names given in replacement of invalid secondary homonyms in a manner which would be readily understood and generally acceptable. This was the error into which the Commission and the Congress had fallen when at Budapest in 1927 they had increased the precision of certain of the provisions in Article 25, an error which at the meeting noted in the margin held during their present Session the Commission had found it necessary to redress by suggesting the insertion of a more generalised phraseology in place of portions of the text adopted at Budapest and to insert the more rigid provisions in a non-mandatory form in a Recommandation added to the part of Article 25 concerned. In the light of this discussion it was agreed to consider the problems involved in regulating primary homonyniy, before passing to the more complex problems raised by secondary homonymy.

(D) Rejection of invalid primary homonyms: There was no need to include in the Régles any special procedure for the rejection of the later published of any pair of specific names which were primary homonyms of one another, for the existence of a condition of primary homonymy was a readily ascertainable objective fact and did not depend in any way upon the action of subsequent authors. All that was required, therefore, was a provision (such as that in the

existing text of the Régles) that every such name must be»

rejected and that such rejection should be permanent, thus making it impossible for the rejected specific trivial name ever again to be applied to the species in question. Under this provision it would be the duty of every zoologist who encountered a situation of primary homonymy to reject the later published of the pair of specific names concerned. In order, however, to minimise the risk of the continued use of invalid primary homonyms, it was desirable that there should be added to the appropriate Article of the Régles a Recommandation strongly urging that every author who discovered that a given specific name was a primary homo- nym of a previously published specific name and was there- fore invalid should publish a note drawing attention to this

eT ee eS

oo

VOL. 4H

6th M eeting, Paris, July, 1948. 111

discovery and should also notify it, by sending a marked copy of the paper containing the note in question or otherwise, to a literature-recording serial such as the Zoological Record, so that the discovery in question might be recorded in the next issue of that serial.

(E) Replacement of invalid primary homonyms: Tt was an essential feature of any scheme for dealing with homo- nyms that, where a condition of homonymy was discovered, the later published of the two homonyms concerned must be rejected and be replaced by another vame. In Commission Paper I.C.(48)8 (paragraphs 32 and 34) the Acting President had expressed the view that every homonym, whether primary or secondary, should, on being discovered, at once be replaced by a new name. Only in this way would it be possible to provide the nominal species concerned with a trivial name that unquestionably belonged to it. The only circumstance in which, in the scheme suggested by the Acting President, it would not be necessary to provide a new specific trivial name for the species the name of which had been rejected as an invalid homonym would be where there existed one or more other nominal species based upon the same type specimen as the nominal species the name of which had been rejected.

In the discussion which took place on this question, it was agreed that, unless a new specific trivial name was given to a species the name of which had been rejected as an invalid homonym, the nominal species concerned would remain without an objectively available trivial name of its own. For the only other course would be subjectively to identify some other nominal species with the nominal species the name of which had been rejected as a homonym and to apply to that species the specific trivial name originally published for the other nominal species. Such a procedure inevitably carried with it an element of risk, for it would automatically break down if the subjective identification of the two nominal species were later to be found to be erroneous. On the other hand, it was felt that the inclusion in the Régles of a provision (such as had been suggested) making it obligatory for any worker who discovered a condition of homonymy to give a new specific trivial name to the nominal species the name of which had been rejected as an invalid homonym would lead to the publication of large numbers of trivial names which would never be used for taxonomic purposes, owing to the existence of trivial names published for other nominal species which had been subjectively identified with the nominal species the name of which had been rejected as an invalid homonym. Such a procedure would add unnecessarily to the already large

112

International Commission on Zoological Nomenclature.

number of trivial names in synonymy. It was accordingly agreed that where the name of a species was found to be invalid by reason of being a homonym of a previously published name and where therefore it was necessary to provide that species with another name, this must be done by giving to that species a new name where there was no other nominal species which was either objectively identical with that nominal species, by reason of being based upon the same type specimen or was subjectively identified with the nominal species in question ; that, where there existed one or more nominal species based upon the same type specimen, the oldest of the trivial names of those nominal species, if otherwise available, should be treated as being the ob- jectively available name for the species, the name of which had been rejected ; but that, where there was no nominal species based upon the same type specimen but there were one or more nominal species which were subjectively iden- tified with the species the name of which had to be rejected as a homonym, it should be open to the author who dis- covered the condition of homonymy either to give a new name to the species the name of which was an invalid homonym or to apply to that species the trivial name of the nominal species which was subjectively identified with that species or, if there were more than one nominal species so identified with the species the name of which was rejected, the oldest available trivial name of any of those species. Where the author concerned elected to give a new trivial name to the species concerned, that new name would take precedence (as at present) for purposes of priority only as from the date on which it was published. It should be understood that, where the author who discovered the condition of homonymy elected not to give a new name to the species bearing the later published of the two homony- mous names (preferring to apply to that species the trivial name of some other nominal species which he subjectively identified with the nominal species, the name of which had been rejected as a homonym), it would be open nevertheless to any later author, who so desired, to give a new name to that nominal species. Finally, it must be understood that where, instead of giving a new name to a nominal species, the name of which is invalid as a homonym, an author applies to such a nominal species the name of another nominal species which he subjectively identifies with the former species, the name so applied is the correct name for the nominal species in question only for so long as the two nominal species concerned are subjectively identified with one another.

(F) Rejection of invalid secondary homonyms: Unlike

primary homonyms, secondary homonyms were necessarily

VOL, 4

6th Meeting, Paris, July, 1948. 113

subjective in origin, depending, as they did, on the subjective taxonomic views of individual revisers. In discussing this subject in Commission Paper I.C.(48)8 (paragraph 34), the Acting President had expressed the following view: Our aim must be to avoid the confusion to which secondary homonyms may give rise, but at the same time somehow to translate their subjective origin into objective provisions which are simple to apply and are capable of being carried out in a uniform fashion by any worker, irrespective of his individual taxonomic standpoint. The provision must per- mit no individual discretion and must call for no laborious researches on the part of zoologists in general and must be such as to create the maximum of uniformity and stability in nomenclature. For this reason the onus of establishing the existence of secondary homonymy should be laid squarely on those from whose taxonomic judgment such homonymy arises.” In other words, the question of whether a given trivial name is to be regarded as having been validly rejected as a secondary homonym must depend exclusively upon the action of the reviser responsible for its rejection, and it was this action which should determine whether or not all zoologists were to renounce permanently the use of the trivial name in question for the species concerned.

Unlike primary homonyms, secondary homonyms had in the past been treated in a far from uniform way, owing mainly to the uncertainty on the part of zoologists as to the extent to which Articles 35 and 36 were intended to apply to this class of homonym. Some zoologists had been in the habit of rejecting names as secondary homonyms, only when they themselves regarded the species concerned as . belonging to the same genus as another species which iad an identical, but earlier published, trivial name; other zoologists had rejected as a secondary homonym the trivia name of any species which any author had ever treated as being in the same genus as another species having an identical but earlier published trivial name, even where they themselves (the later zoologists) regarded the species as being referable to different genera. In extreme cases a trivial name had been rejected as a secondary homonym of another trivial name, where the two species had at no one time been placed in the same genus, one of the species concerned having been removed therefrom before the other was assigned to the genus. Again, some zoologists had gone so far as to reject one trivial name as a secondary homonym of another trivial name, merely because some author, without citing by name either species, had stated that he united into a single genus two genera in each of which there was in fact a species bearing the same trivial name as that of

114

International Commission on Zoological Nomenclature.

a species in the other genus. Again, there had been no uniformity in the treatment accorded to trivial names rejected as secondary homonyms, when on some later revision the two species concerned were placed in different genera ; some authors had continued to regard the rejected name as invalid, whereas others had revived that name, as soon as the condition of secondary homonymy had in their view ceased to exist.

The new provisions in the Régles must lay down clearly that a specific trivial name must be rejected as a secondary homonym by any reviser, when, in his opinion, two species each having the same specific trivial name were referable to the same genus. It was an essential feature of the scheme that a specific trivial name, once rejected as a secondary homonym, should never be eligible again for use for the species concerned. It was inevitable that, whatever scheme were adopted, some changes in names would be unavoidable, in view of the lack of consistency in past practice. The aim must therefore be to keep these changes within the narrowest practicable limits. It was thought that this object could best be achieved by following the procedure adopted in other cases, that is to say by prescrib- ing two standards, one, the more rigorous, to apply to the rejection of secondary homonyms after a future date to be specified in the Régles, the other, less rigorous, to apply to the rejection of names prior to that date. It was thought that the point of time dividing the two periods should be the same as that selected for other similar cases, namely midnight, G.M.T. (Greenwich Mean Time), 31st December, 1950/1st January, 1951.

It was agreed that, where, after the specified point of time, an author rejected the trivial name of a species as a secondary homonym of the trivial name of another species, it was essential that, in order that that rejection should be effective (i.e. that it should be binding upon all other zoologists), the author concerned should be required to make it clear, first, that he himself regarded as congeneric the two species bearing identical specific trivial names, and, second, that he rejected the later published of these names as a secondary homonym of the other. As regards names rejected as secondary homonyms, prior to the specified point of time, it was felt that, in view of the diversity of practice in the past, the best course would be to provide in the Régles that a rejection of a specific trivial name as a secondary homonym of an earlier published specific trivial name should be treated as a valid rejection, even where the author who had made the rejection did not himself consider the two species concerned to be congeneric with

6th Meeting, Paris, J uly, 1948. 115

one another. The advantage of this arrangement would be that it would provide a valid basis for the large number of rejections which had been made in the past by authors who accepted a wider interpretation of the rules than those now proposed to be prescribed and would in consequence secure validity for the large number of new names proposed by those authors as substitute names and now in common use.

(G) Need for maximum publicity for the rejection of names as secondary homonyms: After the new provisions came into operation (i.e. after 31st December, 1950) the rejection of a specific trivial name as a secondary homonym of another specific trivial name would have important nomenclatorial consequences, for, once a specific trivial name had been duly rejected as a secondary homonym in accordance with the provisions now to be inserted in the Regles, that rejection would be permanent and the rejected name could never again in any circumstances become the valid name for the species concerned. It was therefore of the highest importance to secure the maximum publicity for every rejection of a specific trivial name as a secondary homonym of another specific trivial name effected in the future, for it was only in this way that the specialists in the group concerned could be made aware of the fact that the name so rejected could never again validly be used for the

" Species in quéstion. It was felt therefore that it was most

(For a later decision modifying this decision see Paris Session,

12th Meeting, Conclusion 28)

important that a Recommandation should be added to the appropriate Article dealing with specific homonymy strongly urging that every author who rejected a specific trivial name on account of secondary homonymy should notify that rejection as soon as possible after it had been published to a literature-recording serial such as the Zoological Record, by sending a marked copy of the paper containing the rejection or otherwise, so that the rejection in question might be recorded in the next issue of that serial.

(H) Secondary specific homonymy arising through an undetected condition of generic homonymy: In view of the fact that it had already been decided to include in the definition of a secondary homonym the case where such homonymy arose not only through two species bearing the same specific trivial name being placed in the same genus but also through two species bearing identical specific trivial names, though never so united, being placed in genera which through an undetected condition of generic homonymy bore the same generic name, it would be necessary so to draft the provisions relating to the rejection of specific trivial names as secondary homonyms as to cover both classes of case.

116

International Commission on Zoological Nomenclature.

(1) Replacement of a specific trivial name rejected as an invalid secondary homonym: It was agreed that the rules which had already been agreed upon for the replacement of a specific name rejected as an invalid primary homonym of another specific name should be applied to the replacement of a specific trivial name rejected as an invalid secondary homonym of another specific trivial name. It was noted, however, that the rejection of a name as a primary homo- nym was automatic, whereas the rejection of a name as a secondary homonym was not. It would therefore be neces- sary, in the case of secondary homonyms, to- include in the Régles a provision making it clear that, where, after 31st December, 1950, a new name (as contrasted with the name of some other nominal species subjectively identified with the species concerned) is given to a species on the ground that the specific trivial name of that species is an invalid secon- dary homonym but the author giving that name fails to make it clear both that he is of the opinion that the condition of homonymy still exists (that is to say that he regards the species in question as one of a pair of congeneric species, each bearing the same specific trivial name, and that it is for this reason that he rejects the later published of the two specific trivial names and gives a new specific trivial name to the species in question) the existing specific trivial name of that species is to be regarded as not having been validly rejected. In such a case the new specific trivial name given to that species is to have no status in zoological nomenclature.

(J) Need for safeguards against deliberate abuse of the provisions relating to the replacement of secondary homonyms: It was recognised that the new scheme would be liable to misuse by any malicious or irresponsible person for the deliberate purpose of creating secondary homonyms or of providing opportunities for publishing new names. It was not thought that this was a serious risk, but it was felt that it was one which should be guarded against, so far as possible. It was accordingly agreed that a provision should be inserted in the Régles requiring the Commission to use their plenary powers to suppress for nomenclatorial purposes any book or paper in which, in their opinion, the provisions of the Régles in regard to the rejection and replacement of secondary homonyms had been deliberately misused for either or both of the purposes referred to above.

(K) Status of subgeneric names in relation to specific homonymy: Consideration was then given to the problem of the status, if any, to be accorded to subgeneric names in relation to specific homonymy, a question which had been raised by the Acting President in paragraphs 37 and 41(10) of Commission Paper I.C.(48)8. It was generally felt that,

(For a later decision modifying this decision, see Paris Session, 12th Meeting, Conclusion 28)

6th Meeting, Paris, July, 1948. 117

as the use of subgeneric names was optional and those names did not constitute an essential feature of the name of a species, no account should be taken of subgeneric names in determining whether a given specific name was a primary

. homonym of another specific name or whether a given

specific trivial name was a secondary homonym of another specific trivial name. It was agreed that a provision to this effect should be inserted in the Regles and that for this pur- pose Article 6 (which lays it down that generic and sub- generic names are co-ordinate with one another, that is to say of equal value) should be amended to such extent as might be necessary.

(L) Treatment of subspecific names in relation to specific and subspecific homonymy: The scheme so far discussed was concerned only with the situation which arose when one specific name was a primary homonym of another specific name or when one specific trivial name was a secondary homonym of another specific trivial name. As pointed out by the Acting President in Commission Paper I.C.(48)8 (paragraphs 38-39 and 41(11) ), it was necessary to insert provisions to deal also with homonymy, when this arose in connection with subspecific trivial names. It was agreed that the rules applying to cases where a pair of species having identical specific trivial names were either originally des- cribed, or were subsequently placed, in the same genus or, through the accident of an undetected condition of generic homonymy, in different genera bearing the same name should apply also to cases where of two species so described or so placed (a) the specific trivial name of one Species is iden- tical with the subspecific trivial name of a subspecies of the same or another species, or (b) the subspecific trivial name of a subspecies of one species is identical with the subspecific trivial name of a subspecies of the same or another species. Words should, however, be inserted to prevent the sub- specific trivial name of the nominotypical subspecies of a species from being rejected as a homonym of the specific trivial name of that species.

(M) The expression of the same origin and meaning as used in paragraph (3) of the existing text of Article 35: The Commission then turned to consider the expression of the same origin and meaning ”’ as used in the third paragraph of the existing text of Article 35 of the Reégles. As pointed out by the Acting President in Commission Paper I.C.(48)8 (paragraph 40), the limitation imposed in this paragraph of Article 35 by the words quoted above made it impossible in many cases to apply the provisions of that paragraph, owing to the impossibility of determining whether any given pair of names differing from one another to the slight

118 International Commission on Zoological Nomenclature.

(For a later decision qualifying thisdecision, see Paris Session, 6th Meeting, Conclusion 43)

(For a later decision modifying this decision, see Paris Session, 12th Meeting, Conclusion 28)

extent specified in that paragraph were or were not of the

same origin and meaning. Even where it was possible to find an answer to this question, it was often necessary to devote a large amount of time to the study of the origin and meaning of the Latin or Latinised Greek words concerned, which could be much more profitably spent on zoological work. It was agreed to recommend that the expression of the same origin and meaning should be deleted from the Article which would replace the third paragraph of the existing Article 35 and that in its revised form the provision now embodied in that paragraph should merely lay it down that any pair of trivial names (whether specific or sub- specific) which differed from one another only by the differences in spelling specified in that paragraph were to

- be treated as homonyms of one another.

At the conclusion of the foregoing discussion, THE COMMISSION agreed to recommend :—

(1) that the present Articles 35 and 36 should be deleted from the Régles and that there should be inserted in their place Articles giving effect to the provisions specified in (2) to (21) below ;

(2) that, as a first step towards the regulation of homonyms, words should be inserted in the Regles defining the expression “‘ homonym ”’ and expressly recognising the existence for nomenclatorial pur- poses of two types,of specific homonym, to be known as primary homonyms” and secondary

homonyms ”’ respectively, these expressions to be defined as follows :— Expression Definition of expression

“Homonym” Where the same name is applied to two different units belonging to the same taxonomic category, for example, to two different genera or two different species, each of the names so used is a “homonym of the other.

Primary Where two species at the time of homonym the original publication of their names are placed in the same

genus or are placed in different

genera which, through the acci-

dent of an undetected condition

of generic homonymy, bear the

same name, and each species is

given the same specific trivial

(For a later decision, modifying this ision, see Paris

Session, 12th

Meeting ,

Conclusion 28)

6th Meeting, Paris, July, 1948, 119

name, each of the specific names (binominal combinations of a generic name and a specific trivial name) so published is a primary homonym” of the other specific name.

Secondary Where two Species which at the homonym time of the original publication of their names are placed in different genera and are given the same specific trivial name are later placed in the same genus or are placed in different genera which, through the acci- dent of an undetected condition of generic homonymy, bear the Same name, each of the specific names 80 formed is a second- ary homonym” of the other specific name.

(3) that a specific name which is the later published of a

pair of specific names which are primary homonyms

(4) that, in order to minimise the risk of the continued

(5) that, when the Specific name (binominal combination of a generic name and a Specific trivia] name) of a nominal Species is found to be an invalid primary homonym and, in consequence, that name (hereinafter referred to as the “rejected name ”) is permanently rejected, the name to be applied to that nominal species shall be determined in accordance with the rules Specified below :—

(a) where there exists a nominal species (i) which PoOssesses an available name and is based upon the same type

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International Commission on Zoological Nomenclature.

species *’), the objectively available specific name of the nominal species bearing the rejected name shall be the specific name borne by the objectively sub- stitutable nominal species, and that name shall take precedence under the Law of Priority as from the date on which it was first published ;

where there exist two or more objectively substitut- able nominal species, the objectively available specific name of the nominal species bearing the rejected name shall be the first published of the specific names of any of the objectively substitutable nominal species concerned and shall take precedence in like manner as specified in (a) above ;

where there exists no objectively substitutable nominal species, as aforesaid :—

(1) the author discovering the condition of primary homonymy may either give to the nominal species bearing the rejected name a new specific name consisting of a binominal combination of a generic name and of a specific trivial name different from that comprised in the rejected name, the specific name so given becoming the objectively available specific name of that nominal species and taking precedence under the Law of Priority as from the date on which it was so published, or

(2) if from the subjective taxonomic standpoint of the author discovering the condition of primary homonymy, there is no need to give a new specific name to the nominal species bearing the rejected name, that author may elect to leave that nominal species without an objectively available specific name of its own, it being understood in such a case that it shal] be open at any later date for the same or any other author to give to that nominal species a new specific name comprising a specific trivial name different from that comprised in the rejected name, the specific name so given thereupon becoming the objectively available specific name of that_ nominal species and taking precedence under the Law of Priority in like manner as specified in (1) above ;

(6) that the specific trivial name to be applied to the taxonomic species represented by a nominal species bearing a rejected name (as defined in (5) above) shall be determined in ac- cordance with the Law of Priority, that is to say :—

(a)

where there exist one or more nominal species which are either (i) objectively substitutable nominal species (as defined in (5) (a) above) or (ii) nominal species bearing available names comprising specific trivial names different from that comprised in the rejected name referred to above, which is,.or which are, subjectively identified with the nominal species bearing the rejected name (such a nominal species being hereinafter referred to as a ‘“ subjectively substitutable nominal species ’’), the specific trivial name properly applicable to the taxonomic species represented by the nominal species bearing the rejected name shall be the first published of the specific trivial names of any of those nominal species, provided that, if that name is the name of a nominal species which is subjectively but not objectively a substitutable nominal species, that name shall cease to be the specific trivial name properly applic-

(For a decision reversing the decision re recorded, see Paris Session, 12th Meeting, Conclusion 28)

6th Meeting, Paris, July, 1948, 12]

(8)

(9

(10)

(11)

~~

able to that taxonomic Species, if later, and for so long as, the nominal species to Which that name was originally given ceases to be subjectively identified

(b) where there exists neither an objectively nor a sub- jectively substitutable nominal species, the nominal species bearing the rejected name is to be given a

the rejected name for go long as no subjectively substitutable nominal species having an earlier published name is subjectively identified ag also

that is to say, if he regards the two species ag being congeneric with one another, but in no othér

species ; that such adaptations should be made in (7) to (10)

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International Commission on Zoological Nomenclature.

an undetected condition of generic homonymy bears the same generic name as that of the genus to which the other species is referred ;

that, in view of the importance of securing that, whenever the specific trivial name of a species was duly rejected, in accordance with (7) above, as part of an invalid secondary homonym of the specific name of another species, the fact that that name had been so rejected should be brought prominently to the notice of interested specialists, in order to minimise the risk of the continued use of that name in contravention of the provisions of (10) above, a Recommandation should be added to the appropriate Article of the Régles strongly recommending that every author who rejects a specific trivial name as part of an invalid secondary homonym should notify that rejection as soon as possible after its publication, to a literature-recording serial such as the Zoological Record, by sending a marked copy of the paper containing that rejection or otherwise, so that the rejection in question may be recorded in the next issue of that serial ;

(13) that, when the specific name (binominal com-

bination of a generic name and a specific trivial name) of a nominal species is found to be an invalid secondary homonym and in consequence the specific trivial name comprised in that specific name (hereinafter referred to as the rejected trivial name”) is permanently rejected in ac- cordance with the provisions of (7) above, the specific trivial name to be applied to that nominal species shall be determined in accordance with the rules specified below :—

(a) Where there exists an objectively substitut- able nominal species (as defined in (5) above, the objectively available specific trivial name of the nominal species bearing the rejected trivial name shall be the specific trivial name borne by the objectively substitutable nominal species, and that name shall take precedence under the Law of Priority as from the date on which it was first published ;

(b) Where there exist two or more objectively substitutable nominal species, the objectively available specific trivial name of the nominal species bearing the rejected trivial name shall be the first published of the specific trivial names of any of the objectively substitutable

6th Meeting, Paris, July, 1948. 123

nominal. species concerned and shall take precedence in like manner as Specified in (a) above ;

(c) where there exists no objectively substitutable nominal species, as aforesaid ;—

(1) the author discovering the condition of secondary homonymy may either give to the nominal species bearing the rejected trivial name a new specific name consisting of a binominal combination of a generic name and a specific trivial name different from the rejected trivial name, the specific trivial name so given becoming the objectively available specific trival name of that nominal Species and taking precedence under the Law of Priority as from the date on which it was so published, or

(2) if, from the subjective taxonomic standpoint of the author discovering the condition of secondary homonymy, there. is no need to give a new specific name- to the nominal Species bearing the rejected trivial name, that author may elect to leave that nominal Species without an objectively available specific name of its own, it being understood in such a case that it shall be open at any later date for the same or any other author to give to that nominal species a new specific name comprising a specific trivial name different from the rejected trivial name, the specific trivial name so given thereupon be- coming the objectively available specific trivial name of that nominal Species and taking pre- cedence in like manner as specified in (1) above;

(14) that the Specific trivial name to be applied to the taxonomic species represented by a nominal Species bearing a rejected trivial name (as defined in (13) above) shall be determined in accordance with the Law of Priority, that is to say :—

(a) where there exist one or more nominal species which are either (i) objectively substitutable nominal species (as defined in (5) above) or (ii) subjectively substitutable

taxonomic species, if later, and for so long as, the nominal species to which that name was originally given ceases to be subjectively identified with the nominal Species bearing the rejected trivial name.

(b) where there exists neither an objectively nor a sub- jectively substitutable nominal species, the nominal species bearing the rejected trivial name is to be given a new specific name comprising a specific trivial name different from the rejected trivial name, the specific trivial name so given becoming thereupon the name pRoperly applicable to the taxonomic species represented by the nominal species bearing the rejected trivial name for so long as no subjectively substituable nominal species having an earlier published name is subjectively identified as also representing that taxonomic species.

(15) that, when, after the point of time specified in (8) above, a new specific name is given to a nominal Species on the ground that

124 International Commission on Zoological Nomenclature.

(For a later decision

modifying this decision, see Paris Session, 12th Meeting, Conclusion 28)

(16)

~—

the specific name of that nominal species is an invalid secondary homonym but the author who gives the new name fails to make it clear both that he is of the opinion that the condition of homonymy still exists, that is to say that he regards the species in question as one of a pair of congeneric species, each bearing the same specific name, and that it is for this reason that he rejects the later published of the two specific trivial names and gives a new specific trivial name to the species in question, the existing specific trivial name of that species is to be regarded as not having been validly rejected and in consequence the new specific trivial name given to that species is to have no status in zoological nomenclature ;

that, in order to minimise the risk of the foregoing provisions relating to specific homonymy being abused by irresponsible or malicious persons for the deliberate purpose of creating secondary homonyms or of providing opportunities for publishing new names, a provision should be inserted in the Régles requiring the International Commission on Zoo- logical Nomenclature to use their plenary powers to suppress for nomenclatorial purposes any book or paper, in which, in their opinion, the provisions of the Régles in regard to the rejection and replacement of secondary homonyms had been deliberately misused for either or both of the purposes referred to above ;

that provisions should be inserted in the Regles to make it clear that subgeneric names are to be dis- regarded for the purpose of determining whether a given specific name is a primary homonym of another specific name or whether a given specific trivial name is a secondary homonym of another specific trivial name, and that Article 6 should be amended to such extent as may be necessary for this purpose ;

that the provisions in the Régles relating to cases where a pair of species having identical specific trivial names were either originally described, or were subsequently placed, in the same genus or, through the accident of an undetected condition of generic homonymy, in different genera bearing the same generic name, should apply also to cases where of two nominal Species so described or so placed (a) the specific trivial name of one species is identical with the subspecific trivial name of a subspecies of the other species or (b) the subspecific trivial

(For a later decision qualifying this decision, see Paris

Session, 6th M. eeting,

Conclusion 43)

Need for publicity for new names and for selections of type species of genera

6th Meeting, Paris, July, 1948. 125

name of a subspecies of one species is identical with the subspecific trivial name of a subspecies of the same or of another species, save that nothing in the foregoing provisions should be held to invalidate the subspecific trivial name of the nominotypical subspecies of a species having two or more subspecies on the ground thatt hat name is the same as the specific trivial name of the species itself ;

(19) that there should be omitted from the provision which is to replace the third paragraph of Article 35 (which prescribes that certain trivial names which differ from one another only in the ways there specified are to be treated as homonyms of one another), the condition that such names must be of the same origin and meaning and that the opening words of the new provision should be drafted so as to provide merely that within a given genus any pair

of trivial names (whether specific or subspecific) which differ from one another only by the differences in spelling specified in that paragraph are to be treated as homonyms of one another.

2. During the discussion recorded in Conclusion 1 above, THE COMMISSION had under consideration recommendations submitted by the Acting President in Commission Paper I.C.(48)8 (paragraphs 33, 34, 41(13) ) in favour of the insertion in the Régles of a Recommandation to be attached to the appropriate Article strongly recom- mending that every author who publishes a new specific name in replacement of an invalid primary homonym or a new specific trivial name in replacement of an invalid secondary homonym should notify the publication of that name to the Zoological Record or other literature-recording serial, so that the new name so published might be recorded in the next issue of that serial. At the same time the Acting President had suggested that this Recommandation should be so drafted as to apply not only to names published in replacement of invalid homonyms but also to all names published for new species.

In the ensuing discussion general agreement was expressed with the proposal submitted but it was felt that the procedure suggested should apply not only to new specific and. subspecific names but also to new names of all taxonomic categories recognised by the Régles, that is to Say, at one end of the scale to the names of new Families, Sub-families, genera and sub-genera, and at the other end of the scale to the names of infra-subspecific forms. The view was expressed also that it was highly desirable that a corresponding Recommandation should be added to Article

126 International Commission on Zoological Nomenclature.

Publicity for new family and sub-family

names ~

Publicity for new generic, subgeneric specific, subspecific, and infra-subspecific

names

Publicity for the selection of the type species of genera established prior to Ist January 1931

30, strongly recommending that every author who selects a nominal species to be the type species of a nominal genus should notify that selection to a literature-recording serial with a view to its being recorded in the next issue of that

serial.

THE COMMISSION agreed to recommend :— (1) that a Recommandation should be added to Article

(2)

~—

4 strongly urging that every author who establishes a new Family or a new Sub-family should notify the establishment of that Family or Sub-family as soon as possible after the publica- tion of the paper in which it is established, to a literature-recording serial such as the Zoological Record, by sending a marked copy of the paper concerned or otherwise, in order that the name of the new Family or Sub-family, as the case may be, may be recorded in the next issue of that serial ; that a Recommandation should be added to Article 25 strongly recommending that every author who publishes a new generic or a new subgeneric name, either as the name of a new genus or sub- genus or in replacement of a generic or subgeneric name which is invalid as a homonym or who publishes a new name for a species, subspecies or infra-subspecific form or who elevates to specific or subspecific rank a name originally published for an infra-subspecific form or who publishes a name to replace a specific, subspecific, or infra-subspecific name which is invalid as a homonym should notify the publication or, as the case may be, the elevation, of that name as soon as possible after its publication to a literature-recording serial sucl» as the Zoological Record, by sending a marked copy of the paper concerned or otherwise, so that that new name or, as the case may be, that elevation of the status of a name may be recorded in the next issue of that serial ;

that a* Recommandation should be added to Article 30 strongly recommending that every author who selects a nominal species to be the type species of a nominal genus established prior to Ist January, 1931 should notify that type selection as soon as possible after its publication to a literature-recording serial such as the Zoo- logical Record, either by sending a marked copy of the paper concerned or otherwise, so that that type selection may be recorded in the next issue of that serial.

7

6th Meeting, Paris, July, 1948. 127

Definition of the 3. In the course of the discussion recorded in Conclusion a » 1 above, it became evident that (as pointed out by the and specific Acting President in paragraph 30 of Commission Paper trivial name 1.C.(48)8) any consideration of the problem of specific

homonymy involved both the concept of the binominal combination which constitutes the scientific designation of a species and also the concept of that portion of that designa- tion which distinguishes a given species from all other species in the same genus. In the existing text of the Régles both these concepts were referred to under the expression nom spécifique (specific name). In order to put an end to the confusion so caused, it was essential that in the revised text of the Régles these concepts should be distinguished from one another by means of clearly defined expressions. The distinction between these concepts and the need for a definition of each had been recognised by Linnaeus himself who had applied the expression nomen specificum to desig- nate the binominal combination which constitutes the scientific designation of a species and the expression nomen triviale for the portion of the scientific designation of a species which distinguishes the species concerned from every other species in the same genus. THE COMMISSION agreed :-—

(1) that, in order to put an end to the present state of confusion, it was essential that the Régles should distinguish clearly between the binominal combination which constitutes the scientific designation of a species and the second term of such a combination, which distinguishes a given species from every other Species referred to that genus ;

(2) to recommend :—

(a) that, in order to give effect to the consid- erations specified in (1) above, words should be inserted in the Regles expressly recognising the two concepts referred to above, the first of these to be designated by the expression specific name”, the second by the expression specific trivial name ”’; that the foregoing expressions should be defined in the Régles as follows :-—

Expression Definition of expression “Specific name” The binominal combina- tion of a generic name and a specific trivial name which constitutes the scientific designation of a

species.

= (b

~~

vor 4 1

128 International Commission on Zoological Nomenclature.

Definition of the expressions

subspecific name” and

subspecific trivial name

(Previous reference :

Paris Session, 5th Meeting, Conclusion 1 (2) and (3))

The second term of the binominal combination which constitutes the scientific designation of a species, being the por- tion of that designation which distinguishes the species concerned from every other species re- ferred to the genus con- cerned. (c) that, wherever the expression “specific name ”’ is used in the Régles in the sense not of a “specific name”, as defined in (b) above but in the sense of a specific trivial name ’’, as there defined, the latter expres- sion should be substituted for the former.

“Specific trivial name”

4. In the course of the discussion recorded in Conclusion 3 above, it was pointed out that there was an ambiguity in the use in the Régles of the expression subspecific name ”’ exactly parallel to the ambiguity already noted in the case of the expression “specific name”. As it had now been decided to eliminate the ambiguity in the case of the latter expression, it followed that it would be necessary to take corresponding action in regard to the expression sub- specific name ”’.

THE COMMISSION agreed to recommend :—

(1) that words should be inserted in the Reégles distinguishing clearly between the trinominal combination which constitutes the scientific designation of a subspecies and the third term of such a combination, which distinguishes a given subspecies of a particular species from every other subspecies of that species, the first of these _concepts to be designated by the expression “‘ sub- specific name’’, the second by the expression subspecific trivial name ;

(2) that the foregoing expressions should be defined in the Régles as follows :—

Expression “Subspecific name”

Definition of expression The trinominal combination of a generic name, a specific trivial name and a _ sub- specific trivial name which constitutes the scientific designation of a subspecies. The third term of the trinominal combination which constitutes _— the

“Subspecific trivial name”

6th Meeting, Paris, July, 1948. 129

scientific designation of a subspecies, being the por- tion of that designation which distinguishes the sub- species concerned from every other subspecies of the species in question.

(3) that, wherever the expression subspecific name” ~ is used in the Reégles in the sense not of a sub- specific name ”’, as defined in (2) above, but in the sense of a subspecific trivial name ’”’, as there defined, the latter expression should be substituted for the former.

Specific trivial 5. In the course of the discussion on the replacement of

or legate tobe secondary homonyms recorded in Conclusion 1 above, the

paws path ers view was expressed that care should be taken to make it

generic names absolutely clear in the Régles that, when a new specific trivial name was published in substitution for a specific trivial name that had been rejected on account of secondary homonymy, the new name so published must, in order to be an available name, be published, if not in actual combina- tion with a generic name, at least in connection with such a name. There were cases in the literature where this had not been done and where in consequence it was necessary to infer from the context the name of the genus to which the author of the new specific name intended to refer the species in question. It was pointed out that it was not only in connection with new specific trivial names published in substitution for invalid secondary homonyms that there existed this risk, for there were cases in the literature in which an author, either not knowing, or being doubtful regarding, the genus to which he should refer a new species which he was describing, had published a specific trivial name for that species without indicating any generic name for it.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles making it clear that no specific trivial name published either for a previously undescribed species or in substitution for a specific trivial name rejected as an invalid homonym possesses any status in zoological nomenclature, unless the author concerned specifies a generic name in connection therewith.

eee of ‘. 6. During the discussion recorded in Conclusion 1 and Hoticuying ¥ above regarding the status of a new name published in substitution for an invalid homonym (whether primary or

VOL, 4 1

130 International Commission on Zoological Nomenclature.

Application to generic names of the provisions in

secondary), attention was drawn to the fact that the present text of the Regles was defective in that the Articles dealing respectively with the Law of Priority (Article 25) and the Law of Homonymy (Articles 34-36) appeared to have been drawn up entirely independently of one another with the result that each lacked a qualifying reference to the other. It was pointed out on the one hand that in addition to the existing provisions in Article 25 that Article should contain a provision that the oldest published name for a genus, subgenus, species, subspecies or infra-subspecific form would not be the valid name of the genus, subgenus, species, subspecies or infra-subspecific form concerned if it was a name which was invalid under the Law of Homonymy (at present dealt with in Articles 34-36). Similarly, in the Articles which would replace Articles 34-36 in the revised text of the Régles, it would be necessary to make it clear that a name which does not satisfy the Law of Priority does not invalidate, under the Law of Homonymy, a later- published name consisting of the same word.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Reégles to co- ordinate the Law of Priority (Article 25) and the Law of Homonymy (Articles 34-36) with one another, this object to be attained by inserting in :—

(a) the Article dealing with the Law of Priority a provision that, even if a name satisfies all the requirements specified in Article 25, that name is not a valid name if it falls to be rejected under the Law of Homonymy ;

(b) the Articles dealing with the Law of Homonymy a provision that a name which does not satisfy the Law of Priority does not invalidate, under the Law of Homonymy, a later-published name consisting of the same word. ~

7. In the course of the discussion recorded in Conclusion 1 above regarding the provision relating to the rejection on

the third paragraph account of homonymy of a specific trivial name which

of Article 35 relating to specific trivial names (Previous reference: Lisbon Session,

4th Meeting, Conclusion 14)

differed from another specific trivial name only in any of the small points of spelling listed in the third paragraph of the existing text of Article 35, THE ACTING PRESIDENT (MR. FRANCIS HEMMING) reminded the Commission that by a decision taken at their Session held at Lisbon in 1935 the Commission had given an interpretation of Article

6th Meeting, Paris, July, 1948. 131

34 applying, mutatis mutandis, to generic names the pro- visions in regard to specific trivial names referred to above. That decision had later been formally embodied in the Commission’s Opinion 147. In view of the decision just taken by the Commission to recommend the deletion from the third paragraph of Article 35 of the words of the same origin and meaning”, it followed automatically that a corresponding amendment should now be made in Opinion

(Previous reference: | 147. The Commission had however already agreed at their Paris Session, present Session to incorporate in the Régles provisions 4th Meeting,

embodying the interpretations of existing Articles given by the Commission in interpretative Opinions and they would shortly be considering the paper (Commission Pape1 T.C.(48)11) which had been submitted by himself on this subject. The Acting President suggested that the most convenient course might be tor the Commission to confine itself to taking note that Opinion 147 now required amend- ment but to defer taking a decision in regard to that amend- ment until they came to consider the question of incor- porating into the Regles the interpretation given in that Opinion.

Conclusion 4(2) (a))

THE COMMISSION agreed :—

(1) that, if the Congress approved the recommendation which it had been agreed to submit for the amendment of the third paragraph of Article 35 relating to homonomy in specific trivial names by the deletion of the qualifying words of the same origin and meaning’, it would be necessary to ensure that simultaneously with the adoption of that amendment, a corresponding amendment should be made in Opinion 147, in which the foregoing paragraph of Article 35 had been applied to generic homonymy (Article 34);

(Later reference: (2) to defer further consideration of this question Paris Session, until they came to consider the proposals for 6th Meeting,

incorporating into the Régles the interpretations

Conclusion 41) : Fi. ; Ane thereof given in interpretative Opinions rendered by the Commission submitted in Commission Paper I.C.(48)11.

Thanks of the 8. THE COMMISSION agreed :—

Commission to

Mrs. M. F. W. to place on record their grateful thanks to Mrs.

iui M. F. W. Hemming for the active part which, ine

conjunction with her husband, Secretary Francis Hemming, she had played in preparing the proposals

132 International Commission on Zoological Nomenclature.

Codification of the interpretations of the “Regles” given in Opinions rendered by the Commission : future procedure in regard to

(Previous reference: Lisbon Session,

4th Meeting, Conclusion 15)

submitted to the Commission in regard to the problem of specific homonymy (Commission Paper I.C.(48)8) and the nomenclature of infra-specific forms (Com- mission Paper I.C.(48)9).

MRS. HEMMING thanked the Commission for the resolution which they had just adopted.

9. THE COMMISSION had under consideration a memorandum by the Secretary to the Commission on the need for the codification of the interpretations of the Régles given in Opinions rendered by the Commission in their judicial capacity (Paper I.C.(48)10).

In introducing this subject, THE ACTING PRESI- DENT (MR. FRANCIS HEMMING) recalled that many important interpretations of the Régles had been given by the Commission in Opinions rendered at various times since 1907, the year in which the International Congress of Zoology had conferred upon the Commission the right and the duty to render Opinions on questions of zoological nomenclature submitted to them. Many of these inter- pretations had been given incidentally in Opinions dealing with the status of particular names and it was therefore not surprising that some of them had been widely over- looked. At their meeting held in Lisbon in 1935 the Com-

‘mission had reviewed their practice in this matter and had

agreed that, when in future they reached a decision of interest to the general body of zoologists, that decision

_ should be presented in such a way as to ensure that it was

most readily available to all concerned. The revised procedure then agreed upon had been consistently followed in all subsequent Opinions. It represented a substantial improvement on previous practice, but nevertheless it touched only the fringe of the problem. Much more drastic action would be needed in order to put an end to the chaotic situation which confronted zoologists who desired to ascertain whether any particular provision of the Reégles had been the subject of an interpretative Opinion rendered by the Commission. When during the war the Commission had taken stock of the problems which they would need to tackle immediately the war was over, they had included in their programme the publication of an authoritative edition of the substantive French text of the Régles, and the re- issue of their earlier Opinions which had long been out of print and were virtually unobtainable. The Commission had then proposed to attach to the proposed edition of the Régles an analysis of those of their Opinions which contained interpretations of provisions in the Régles. The preparation

a

. wo

6th Meeting, Paris, July, 1948. 133

of this analysis, which had occupied over two years, had proved laborious and difficult owing largely to the need to distinguish carefully between the actual decisions taken by the Commission on the one hand, and on the other the numerous obiter dicta embodied in the texts of many Opinions which had the appearance of being views expressed by the Commission but were in fact no more than the per- sonal views of the draftsmen of the Opinions concerned. Simultaneously with the preparation of the foregoing analy- sis of the Opinions rendered by the Commission, a start was made with the re-publication of the older Opinions. This was long overdue, for owing to these Opinions having been for so long out of print, they were known to the majority of zoologists only through their “summaries” which often failed to give a clear picture of the decision taken in those cases where the ostensible object of the Opinion was to give a ruling on the status of some particular name, while by far the most important part of the Opinion was the decision taken on the interpretation of some -provision of the Regles. | Attached to each of the Opinions so re-issued were editorial notes prepared by himself (the Acting Presi- dent) in his capacity as Secretary to the Commission. Both the projected analysis of the interpretative Opinions and the publication of an annotated edition of the older Opinions represented steps in the right direction, but each fell short of the ideal solution, for neither the analysis nor the annotations to the older Opinions could in the circum- stances do more than represent the views of the author by whom they were compiled. Obviously, it would be much more satisfactory if means could be found to secure in these matters an authoritative pronouncement made, on the advice of the Commission, by the Congress itself.

The Acting President went on to say that within the last 18 months the whole question had been carefully reviewed and the conclusion had been reached that the right and proper course would be to take advantage of the meeting in Paris of the International Congress of Zoology to seek the concurrence of the Congress in a comprehensive codification of the interpretative Opinions rendered by the Commission during the last 40 years. Periodical codi- fications of this kind were a normal feature in the develop- ment of law in countries in which the law consisted partly of statute law and partly of case law built up from inter- pretative decisions taken by the Courts. Only by this means was it possible to prevent the law from becoming unduly difficult to interpret and in the course of time so eomplicated and obscure as almost to defy interpretation. Fortunately the Regles had not yet reached that stage but

134 International Commission on Zoological Nomenclature.

(Previous reference:

Paris Session, 4th Meeting,

Conclusions 3 &.5).

(Previous reference:

Paris Session, 4th Meeting, Conclusion 6)

signs were not wanting that the Regles and the Opinions taken together were becoming so complicated as to make their interpretation by working zoologists unnecessarily time-consuming and burdensome. From the consultations which had taken place on this matter it was evident that a codification of the kind proposed woulda be widely welcomed by zoologists. Once the proposed codification had been carried through, zoologists would be able not only to see what was the present state of the law but also to determine much more easily than was at present possible the directions in which further developments or amendments were re- quired.

Vitally important as it was that order should be intro- duced into the Régles by the codification of the inter- pretative Opinions rendered by the Commission, it was equally essential that the Commission should never again permit a recurrence of the present state of confusion. It was accordingly suggested that, when in future the Com- mission were called upon to give an interpretation of a given provision of the Régles, they should not only do so in the most categorical and unambiguous terms but should also so draft the interpretation so given that it could readily be written into the Regles at the next meeting of the Inter- national Congress. The consistent application of this principle would secure that the current authorised edition of the Régles would contain provisions on all matters on which interpretative judicial decisions had been taken by the Commission up to and including the last meeting of the Congress. In order to ascertain the state of the law, a zoologist would therefore only have to consult the Reégles and such few interpretative decisions as the Commission might have rendered since the last Congress. The Acting President added that, in order to facilitate reference to interpretative decisions of this kind, it was proposed that in future Declarations should be reserved for recording this type of decision, decisions relating to the status of individual books and of individual names, together with decisions relating to the “‘ Official List of Generic Names in Zoology ”’ being recorded, as at present, in Opinions.

The Commission had already noted that in three cases at least interpretations given in Opinions were manifestly incorrect and the Commission had agreed to cancel the Opinions in question (Opinions 20, 37 and 8). In another case the Commission had agreed to recommend that a particular provision of the Régles (Article 25, Proviso (c) (2)) should be amended and in consequence an Opinion (Opinion 138) giving an interpretation of the passage now to be deleted from that Article had become inappropriate and

(For later decisions on this subject,

see Paris Session, 9th Meeting, Conclusion 31 ; 12th Meeting, Conclusion 19)

.

6th Meeting, Paris, July, 1948. 135

misleading. In this case also the Commission had agreed to cancel the Opinion in question. Opinions containing interpretations of the Régles would be in a different position after those interpretations had been written into the Regles as the result of the proposed codification. Such Opinions would no longer be an authorised source to which zoologists could look for interpretations of the Régles, since for this purpose those Opinions would have been super- seded by the new provisions inserted in the Régles. It was desirable, however, that such Opinions should remain on record for historical purposes, but it was essential that it should be made clear that every such Opinion was repealed for interpretative purposes. Where an Opinion contained both an interpretation of the Régles and also a decision regarding the status of a particular book or a particular name, that Opinion, though repealed in so far as it con- tained an interpretation of the Régles, would remain in full force, so far as the decision in regard to a particular book or a particular name was concerned.

THE COMMISSION agreed :—

(1) as regards Opinions” already rendered by the Commission (i.e. Opinions 1—194) :— (a) to cancel any Opinion :—

(i) which might be found to contain an erroneous interpretation of a pro- vision in the Régles, the said cancel- lation to become operative forthwith ;

(ii) which contained an interpretation of a provision of the Régles which, though correct under the existing text of the Régles, would cease to be correct as soon as the present (Paris) Congress had approved the recom- mendation to be submitted to them for the amendment or deletion of the provision interpreted in the Opinion in question, the said cancellation to become operative as from the date on which the amendments to the Regles made by the present Congress came into force ;

(b) to repeal for interpretative purposes any Opinion or part of an Opinion containing an interpretation of a provision of the Régles, where the present Congress decided to incorporate that interpretation, in whole

136

International Commission on Zoological Nomenclature

(2) as

or in part, in the text of the Regles, the said repeal to become operative as from the date on which the amendments to the Régles made by the present Congress come into force ;

(c) to request any zoologist who might consider

that any Opinion, other than an Opinion that had been cancelled or an Opinion repealed for interpretative purposes under (a) or (b) above, contained an interpretation of the Régles on a matter not expressly dealt with therein which through inadver- tence had either not been incorporated in the Régles as part of the present codification or had not been expressly repealed for interpretative purposes, to notify the Com- mission as soon as possible, so that they might consider what recommendation in regard thereto to submit to the next meeting of the Congress ;

(d) to place on record their intention :—

(i) to make proposals to the next (XIVth) meeting of the Congress for the incorporation in the Régles of any interpretation thereof given in any Opinion rendered prior to July 1948 which they might find was inadver- tently not incorporated in the Regles by the present Congress and which’ they might deem expedient should be so incorporated ;

(ii) to repeal for interpretative purposes every Opinion rendered prior to the above date which might not already have been either cancelled or repealed for interpretative purposes under (a) or (b) above, the said repeal to become operative as from the date on which the amendments to the Régles made by the next Congress came into force ;

regards “‘ Declarations” and Opinions”

rendered after the close of the present Congress :—

(a) to reserve the series entitled Declarations

for the recording of interpretations of provisions of the Régles and the consequent submission of proposals for the amendment

Interpretations of provisions in the “Regles” given in

Opinions : proposals for incorporation in the Regles to be considered item

by item

(Previous reference: Paris Session,

4th Meeting, © Conclusion 4 (2) (a))

6th Meeting, Paris, July, 1948. 137

of the Régles and the series entitled Opinions

for decisions relating to the status of

individual books and of individual names,

together with decisions relating to the

“Official List of Generic Names in Zoology ; (b) to lay it down that the decision given in any Declaration or Opinion is to be looked for only in the summary of that Declaration or Opinion, that every such “summary is to be rigidly construed, and that no deductions, other than those expressly specified therein, are to be drawn there- from ;

~—

(c) to place on record that no new interpretation

of any provision of the Régles is to be

drawn from any Opinion, every such inter- pretation to be recorded in a Declaration, as provided in (a) above ;

to report to each meeting of the Congress

any interpretations of provisions of the

Régles which they may have given in a

Declaration or Declarations rendered since

the last previous- meeting of the Congress,

with a recommendation that every such interpretation be incorporated forthwith in the Regles ;

(e) to repeal for interpretative purposes any Declaration, the contents of which shall have been incorporated into the Régles by direc- tion of a meeting of the Congress, acting on a recommendation submitted to it in accord- ance with (d) above, the said repeal to become operative as from the date on which the amendments to the Régles made by that Congress shall come into force ;

(3) to incorporate into the By-Laws of the Commission the provisions specified in (2) above.

&

10. THE COMMISSION had before them a memoran- dum by the Secretary to the Commission containing detailed proposals for the codification of the interpretations of various provisions in the Régles given by the Commission in Opinions rendered at various dates from the year 1907 onwards (Commission Paper 1.0.(48)11).

THE COMMISSION :—

(1) recalled that, since Commission Paper I.C.(48)11 had been prepared, they had agreed in principle

138 International Commission on Zoological Nomenclature.

Article 4 and ** Opinion” 141 (Family names)

at the meeting noted in the margin to recommend the incorporation in the Regles of provisions embodying the interpretations of existing Articles given by the Commission in Opinions already rendered, subject to such modifications or excep- tions as they might consider proper ;

(2) agreed to examine Commission Paper I.C.(48)11, paragraph by paragraph, with a view to reaching conclusions regarding the recommendations to be submitted in this regard.

11. THE COMMISSION had under consideration the interpretation of Article 4 of the Régles given in Opinion 141 and the proposals in regard thereto submitted in paragraphs 1-3 of the list contained in Commission Paper 1.C.(48)11.

In the discussion on this question it was generally agreed that the existing provisions (Articles 4 and 5) in regard to Family and Sub-Family names constituted a totally inadequate treatment of this complicated problem. It was not possible on the present occasion to study this matter in the requisite detail but it was very desirable that the issues involved should be thoroughly investigated as soon as possible.

THE COMMISSION agreed to recommend :—

(1) that the Secretary to the Commission should be invited to make a thorough study, in consultation with interested specialists, of the problem of the nomenclature of Super-Families, Families, Sub- Families and Tribes and to submit a Report there- on, with recommendations, for consideration by the Commission at their meeting to be held during the next (XIVth) meeting of the Congress, with a view to the submission by the Commission of proposals for the insertion in the Régles of com- prehensive provisions dealing with this subject ;

(2) that, without prejudice to (1) above :— (a) words should be inserted to make it clear :—

(i) that the genus bearing the oldest available generic name in a family need not be taken as the type genus of a family ;

(u) that an author establishing a new family is free to select as the type genus of that family whatever genus he considers the most appropriate ;

6th Meeting, Paris, July, 1948. 139

(iii) that the name of a family is to be based upon the name of its type genus, and that the selection of a given generic name to be the basis of a family name constitutes ipso facto a definite designation of the genus bearing that name to be the type genus of that family. Example: The genus Musca Linnaeus, 1758, was definitely designated as the type genus of the family MUSCIDAE by reason of the fact that the stem of the word “‘ Musca” was used as the basis of that family name.

(iv) that the provisions of (i) to (ii) above are to apply to the names of sub-families in like manner as to the names of families ;

(b) a Recommandation in the following sense should be added to the provision specified in (a) (ii) above : “‘ The genus selected to be the type genus of a family should, so far as possible, be a well-known and common genus and one which, from the taxonomic standpoint, occupies a central position in the family so established.”

(c) a Recommandation in the following sense should be added to the provision specified in (a) (iii) above : ‘‘ Where a well-established family name has not been formed in accord- ance with (iii) above but where it would be undesirable to change existing practice, authors should, before making any such change, refer the question to the International Commission on Zoological Nomenclature for ‘such action as it may think proper.”

Article 8 and 12. THE COMMISSION had under consideration the Opinion 183 interpretation of Article 8 of the Régles given in Opinion (generic names to

be published in 183 and the proposals in regard thereto submitted in para- the nominative graph 4 of the list contained in Commission Paper I.C.(48)11.

singular) THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that the provision in Article 8 that a generic

140 International Commission on Zoological Nomenclature.

(Later reference : Paris Session, 7th Meeting, Conclusion 7)

Article 14, first paragraph, and ** Opinion 64 (single letters not eligible as trivial names) -

Status of specific trivial names

when preceded by serial letters or serial numerals at the time of their original publication

(Later reference: Paris Session, 12th Meeting, Conclusion 32)

name is to consist of a noun in the nominative singular requires that no name is to be accepted as a generic name until it has been published as a noun in the above case and number and that a noun first published in some other case or number is available as a generic name only as from the date on which it is for the first time published in the nominative singular and is to be attributed to the author by whom it is first so published.

13. THE COMMISSION had under consideration the

. interpretation of the first paragraph of Article 14 of the

Régles given in Opinion 64 and the proposals in regard thereto submitted in paragraph 5 of the list contained in Commission Paper I.C.(48)11.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that a. single letter, such as “a”, “b”, “ec”, etc. is not to be accepted as the trivial name of a species or subspecies.

14. In the course of the discussion (recorded, in Con- clusion 13 above), regarding the codification of the inter- pretation of Article 14 of the Régles given in Opinion 64, attention was drawn to the fact that, where an author, in giving a list of the species which he referred to a given genus, had placed a serial letter or a serial numeral immedia- tely in front of the trivial name of the species concerned, some later authors had sought to argue that, in the case of any new name published in this manner, the serial letter or the serial numeral, as the case might be, should be regarded as forming part of the trivial name.

In order to eliminate discussion on this contention, which was clearly misconceived, it would, it was felt, be

~ helpful if words were inserted in the Régles making it clear

that serial letters and serial numerals, when used in the manner indicated above, do not form part of the trivial name of the species concerned.

THE COMMISSION agreed to recommend :—

that words should be inserted at some appropriate point in the Regles making it clear that, where a new specific trivial name is published in a list of species referred to a given genus and is there preceded by a serial letter or serial numeral, that serial letter or serial numeral is not to be taken as constituting part of the specific trivial name in question.

Article 19 and

Opinions 26, 27, 29, 36, 41, 60, 61 and 63 (emendation of names)

6th Meeting, Paris, July, 1948. 141

15. THE COMMISSION had under consideration the interpretations of Article 19 of the Reégles given in Opinions 26, 27, 29, 36, 41, 60, 61, and 63, and the proposals in regard thereto submitted in paragraphs 7-9 of the list contained in Commission Paper I.C.(48)11.

In the discussion on this question, the following points were made :—

(a) In various respects the interpretation of Article 19

~—

had been rendered more, rather than less. difficult by the Opinions given by the Commission at various times, for some of those Opinions were irreconcilable both with the terms of Article 19 itself and with the interpretation of that Article given in other Opinions.

It was evident that, before a satisfactory solution could be reached in regard to the complex of pro- blems raised by this Article, a much closer study than any hitherto attempted would need to be made. Further, this study would need to be directed to the substantive French text of this Article, rather than to the imperfect English translation of that text commonly in use, to which most of the discus- sions hitherto had been directed.

(c) Various proposals had been received for making

changes in Article 19, but it was very difficult to judge the merits of these proposals until the present meaning of that Article had been clarified by the incorporation into it of such of the interpretations given by the Commission in Opinions on particular cases as were consistent with the meaning of the words actually used in the Article itself. The con- solidation of the present law in this matter was thus an indispensable preliminary to the consideration of its development or reform.

THE COMMISSION agreed to recommend :— (1) that the Secretary to the Commission should be

invited to make a thorough study, in consultation with interested specialists, of the problems involved in the emendation of scientific names which, when originally published, contained errors of transcription or of orthography or printers’ errors and to submit a Report thereon, with recommendations, for consideration by the Com- mission at their meeting to be held during the next (XIVth) meeting of the Congress, with a view to the submission by the Commission of proposals for the insertion in the Régles of comprehensive provisions dealing with this subject ;

142

International Commission on Zoological Nomenclature.

(2) that, without prejudice to (1) above :—

(a)

words should be inserted in Article 19 to make it clear that,.in determining whether, as regards any given name, an error of transcription or of orthography or a printers’ error is évident” in the original spelling of a scientific name, particular attention should be paid to evidence contained in the book or paper in which the name was first published ;

it should be made clear in Article 19 in some manner which will not detract from the generality of the expression évident as used in that Article that the following examples illustrate cases where the original spelling of a name should be emended :—.

(i) Where it is evident that a generic name or a specific trivial name is based upon a personal name and where the spelling of the scientific name so published is not identical, except for the termination used, with the correct spelling of the name of the person to whom the genus or species is dedicated, the spelling of the scientific name in question is to be emended so as to correspond with the correct spelling of the name of that person. Example: The names Ruppelia Swainson, 1839, and Rupellia Swainson, 1839, are to be emended to Riippellia, in view of the fact that this genus was dedicated to a zoologist named Riippell.

(u) When an author founds a new name upon one or more Greek words but inadvertently commits an error in transliterating into the Latin alphabet one or more of the Greek letters of which the word was (or the words were) composed, the error of transcription is to be corrected. Example: The inadvertent mis- transliteration of the Greek letter Zeta committed in the spelling “Pentoxocera”’, a name formed

YOL,4 5

6th Meeting, Paris, July, 1948, 143

(iii)

(iv)

from the Greek words zévre (five), efos (branch), and xepas (horn), is to be corrected and the spelling of this name is to be emended to Pentozocera ”’.

When an author founds a new name upon one or more Greek words cited in the original publication of the name and when one of those words is there incorrectly spelt and in con- Sequence the scientific name founded thereon is also incorrectly Spelt, the spelling of that name is to be

that that name was based upon a Greek word similarly spelt (i.e. a word having the Greek letter Theta as its second letter). In fact, however the Greek word concerned had as its second letter the Greek letter Beta. The spelling of this generic name is therefore to be emended to Ab- lennes ”,

obtained but, as the result of his misreading or miscopying the name of the locality or district from the label on the type specimen, publishes as the trivial name of the species a Latinised word which fails to indicate the locality or district intended, the spelling of the name so published is to be emended. Example : When Giinther gave to a new fish the name Leuciscus hakuensis, he selected that trivial name because he had misread as Lake Hakou the locality of the type specimen of this species. In fact, however, the name of the type locality was “Lake Hakone”. "In these circumstances, the trivial name hakuensis is to be emended to hakonensis.

144 International Commission on Zoological Nomenclature.

Article 25 and

Opinion 2 (status of a name based ona hypothetical form)

Article 25 and

Opinion 49 (status of a specific name published conditionally)

(v) When an author, in naming a new species, selects for its trivial name a word which, though adjectival in form, is not a recognised Latin adjective and where that author uses for the nominative singular of that word the termination -ius”’ (mas- culine) or “-ia”’ (feminine), these terminations are to be corrected to “-eus” and “-ea” respectively. Example : The word iridia (pub- lished by Gibbons in 1855 as a new trivial name in the combination Salmo iridia), though adjectival in form, is not a recognised Latin adjective. This trivial name is, therefore, to be emended to irideus (masculine), zidea (feminine), or trideum (neuter).

16. THE COMMISSION had under consideration the interpretation of Article 25 of the Régles given in Opinion 2 (which relates to the status of a name based upon a hypothetical form) and the proposals in regard thereto submitted in paragraph 10 of the list contained in Commis- sion Paper I.C.(48)11.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that a name based upon a hypothetical form has no status in zoological nomenclature. Example : The generic name Pithecanthropus Haeckel, 1866, being the name of a genus based upon a hypothetical species, has no status in zoological nomenclature and does not preoccupy the generic name Pithecanthropus Dubois, [1894], the name of a genus based upon a known species.

17. THE COMMISSION had under consideration the interpretation of Article 25 of the Régles given in Opinion 49 (which relates to the status of a specific name published conditionally) and the proposals in regard thereto submitted in paragraph 11 of the list contained in Commission Paper 1.C.(48)11.

THE COMMISSION agreed to recommend :—

(a) that words should be inserted in the Régles to make it clear that, where an author doubtfully identifies known material with a described species but publishes for that material a new specific

Article 25 and Pinion 4 (status of a manuscript name on being first validly published with an indication ”)

(Later reference: Paris Session, ith Meeting, Conclusion 15)

(Later reference: Paris Session, 9th Meeting, Conclusion 28)

VOL, 4 K?

6th Meeting, Paris, July, 1948. 145

name for use therefor if later it is found that that material is referable to an unnamed species, the specific name, given conditionally in this manner, is available for that species as from the date of its original publication and is to be attributed to its original author. Example: The specific name Siphonophora asclepiadifolii, given conditionally by Thomas in 1879 to known material which he doubtfully identified with a previously named species (Aphis asclepiadis Fitch) is available as from 1879 for the material so named by Thomas.

(b) that a Recommandation should be inserted at an appropriate point in the Régles strongly deprecat- ing the publication of names conditionally.

18. THE COMMISSION had under consideration the interpretation of Article 25 of the Régles given in Opinion 4 (which relates to the status of a name which, prior to being published, was a manuscript name) and the proposals in regard thereto submitted in paragraph 12 of the list contained in Commission Paper I.C.(48)11.

It was pointed out in discussion that the expression printed in connection with the provisions of Article 25 used in Opinion 4 was not happily chosen : (1) because it prejudged the question whether, in order to be accepted, a book containing new names must be actually printed, as contrasted with being reproduced by some other process (a subject on which proposals would be submitted to the Commission at a later meeting during its present Session), and (2) because it was difficult to regard a manuscript name rejected by the author by whom it was first published as the name by which the genus or species concerned had been first designated (“. . . . sous lequel ils ont été le plus ancienne- ment designés ”’) as prescribed in the opening words of the Article. What was intended was, no doubt, that a manu- script name, to become available, must first be published (“divulgué dans une publication ”) in conditions which satisfied the requirements of the provisos to Article 25. It would be well to make this clear, now that the decision in this Opinion was to be incorporated in the Regles.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Regles to make it clear that a manuscript name acquires status in zoological nomenclature only when it is validly published and, on being so published, is published in conditions which satisfy the requirements of the

146

Article 25 and

Opinions 87, 59, and 190 (various aspects

of the problem

of publication)

(For a later decision amplifying the present decision, see Paris Session, Tth Meeting, Conclusion 15)

International Commission on Zoological Nomenclature.

provisos to Article 25, and that the status of a manu- script name, so published, is not affected by the question whether the author by whom it is published accepts it as an available name or sinks it as a

synonym.

19. THE COMMISSION had under consideration the interpretations of aspects of the problem raised by the expression “divulgué dans une publication” as used in Article 25 given by the Commission in Opinion 87 (which relates to the status of a name when it appears for the first time in a proof sheet) in Opinion 59 (which relates to the status of a name which first appears in an advance separate) and in Opinion 191 (which relates.to the status of a name when it appears for the first time in documents, etc., distributed by an author to colleagues or students), together with the proposals thereon submitted in paragraphs . 15, 17 and 14 of the list contained in Commission Paper 1.C.(48)11.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Regles to make it clear :— ;

(a) that the distribution of proof sheets does not constitute publication and that a new name given currency in this way has no status in zoo- logical nomenclature until such later time as it is duly published in accordance with the pro- visions of Article 25 ;

that, where a new name appears in a paper published in a book or serial and separates of that paper are distributed in advance of the publication of the paper concerned, the new name ranks for the purposes of the Law of Priority not from the date of the distribution of the separates but from the later date on which the paper was actually published either in that book or serial or elsewhere.

that a new name introduced in a note (whether printed or otherwise reproduced) in explanation of a photograph or other illustration of an animal is not divulgué dans une publication where the author concerned does no more than distribute copies of such a note and photograph or other illustration to colleagues or students or when he merely attaches copies of such a note and illustration to separates of a paper dealing with the same subject but either not

Articles 30 and 35 and Opinion 148 (status and type species of a generic name published as an invalid emendation of an earlier name)

(Previous reference: Paris Session,

6th Meeting, Conclusion 1(21)

6th Meeting, Paris, J uly, 1948, 147

containing the new name in question or con- taining it without satisfying the requirements of Article 25. Example: The specific name Khynchonella alta has no status under the Law of Priority as from the date (about 1878) on which it appeared in a note with accompanying photograph , distributed by Samuel Calvin but tanks for purposes of priority as from 1890 when it was published with an indication by H. S. Williams.

20. THE COMMISSION had under consideration the interpretations of Articles 30 and 35 of the Reégles given in paragraph (1) of Opinion 148 (which relates to the status of a generic name published as an invalid emendation of, or as a substitute for, an earlier generic name of the same origin and meaning) and the proposals in regard thereto submitted in paragraphs 16 and 26 of the list contained in Commission Paper I.C.(48)11.

It was pointed out that the decision given in the Opinion referred to above carried with it the corollary that, if a generic name which had been invalidly emended was later rejected as an invalid homonym, the invalid emendation of that name becomes an available name for the genus con- cerned, as from the date on which it was originally published. In the example given in Opinion 148, Achatinus de Montfort, 1810, was rejected as a synonym of Achatina Lamarck, 1799, of which it was an invalid emendation. Like any other synonym, Achatinus de Montfort would become an available name for the genus concerned, if it were to be found that the earlier name (Achatina Lamarck, 1799), of which it had been sunk as a synonym, was an invalid homonym. The decision in this part of Opinion 148 was subject to the limitation imposed by Opinion 147 (proposals for the in- corporation in the Régles of which were submitted in paragraph 41 of the list contained in Commission Paper I.C.(48)11) that the original name and the invalidly emended version should not be so similar to one another in spelling as to fall within the categories of names which, under that Opinion, were to be treated as homonyms of one another. It was pointed out also that, in view of the decision taken earlier during the present meeting to recommend that the phrase “‘of the same origin and meaning” should be deleted from the third paragraph of Article 35 (which relates to speaific homonymy, that phrase (which had been intro-. duced into Opinion 148 by analogy from Article 35) should be omitted in the proposed incorporation in the Reégles of the decision given in paragraph (1) of Opinion 148.

148 International Commission on Zoological Nomenclature.

Article 25, Proviso (a), and Opinion 1 (meaning of the expression “indication ’’)

THE COMMISSION agreed to recommend :— that words should be inserted in the Régles to make it clear :—

(a) that a generic name published as an invalid emendation of an earlier name (an emendation made otherwise than in accordance with Article 19) is to be rejected as a synonym of the earlier name, where that name is an available name, the type species of the later published nominal genus being automatically the same species as the type species of the earlier published nominal genus ;

US

that, where the name of a genus is rejected as an invalid homonym and the next oldest name is a name published as an invalid emendation of that name and that invalid emendation is sufficiently different in spelling from the original name not to be a homonym thereof under the provisions contained in the third paragraph of Article 35 as applied to Article 34 by Opinion 147, the generic name originally published as an invalid emendation becomes an available name for the genus in question and has priority as from the date on which it was first published as an invalid emendation and is to be attributed to the author by whom it was so published.

21. THE COMMISSION had under consideration the interpretation of Proviso (a) to Article 25 of the Régles given in Opinion 1 (which relates to the meaning of the expression “indication as used in the Proviso in question), together with the proposals in regard thereto submitted in paragraph 18 of the list contained in Commission Paper I.C.(48)11.

In the discussion on this proposal, it was pointed out that, since the foregoing paper had been prepared, the Commission had decided to recommend the liberalisation of the third of the provisions relating to generic names specified in Opinion 1. It remained now to consider the codification (and to such extent as might be necessary, the clarification) of (1) the remaining portion of Opinion 1 as regards generic names, and (2) the whole of the portion of that Opinion which was concerned with specific trivial names, and the concluding sentence of that Opinion, which referred both to © generic names and to specific trivial names. In the decision to be taken on these matters it would be necessary to make it clear that the whole of the interpretation of the expression “indication” here under consideration related

(Later reference: Paris Session, 12th Meeting, Conclusion 29)

(Previous reference: Paris Session,

4th Meeting, Conclusion 13)

Article 25,

Proviso (a), and

Opinion 43 (status of a new specific name published jointly with a new generic name and vice versa)

6th Meeting, Paris, July, 1948.

149

only to names published prior to 1st January, 1931, the date on which the more rigorous provisions of Proviso (c) to Article 25 came into operation.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear, as regards generic names and specific trivial names published prior to Ist January, 1931 :—

(a)

(b)

(c)

that a specific trivial name is to be accepted as having been published with an indication if it is published (i) with a bibliographical reference to a previously published definition or description, or (ii) in conjunction with a figure (illustration), or (ili) as a substitute for a previously published name which is invalid as a homonym ;

that a generic name is to be accepted as having been published with an indication” if it is published (i) with a bibliographical reference to a previously published definition or descrip- tion, or (ii) in the manner agreed upon at the meeting noted in the margin, or (iii) as a substi- tute for a previously published name which

is invalid as a homonym ;

that neither a reference to a museum label nor to a museum specimen nor to a vernacular name is to be accepted as an “indication” either for a generic name or for a specific trivial name.

_22. THE COMMISSION had under consideration the interpretation of Proviso (a) to Article 25 of the Regles given in Opinion 43 (which relates to the status of a new specific name published jointly with a new generic name), together with the proposals in regard thereto submitted in paragraph 19 of the list contained in Commission Paper I.C.(48)11.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that, where, prior to Ist January, 1931, a new nominal species was described in a new nominal genus and the genus and species concerned were described jointly, no separate description being given for either, the joint description so given is to

be accepted as an

ce

indication” both for the new

generic name and for the new specific name.

150 International Commission on Zoological Nomenclature.

Article 25,

Proviso (a), and

* Opinion 52 (significance of the citation of a type locality in an original description)

Article 25,

Proviso (b), and

Opinion 5 (status of a name originally published before 1758 when re-published after 1757)

Article 26 and

Opinion 3 (relative

status of works published in the year 1758)

23. THE COMMISSION had under consideration the interpretation of Proviso (a) to Article 25 of the Reégles given in Opinion 52 (which relates to the significance to be attached to the citation of a type locality in the original description of a new species) and the proposals in regard thereto submitted in paragraph 20 of the list contained in Commission Paper I.C.(48)11.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that the citation of a type locality unaccom- panied by any other particulars, does not constitute an ‘indication’? for the purposes of Proviso (a) to Article 25. .

24. THE COMMISSION had under consideration the interpretation of Proviso (b) to Article 25 of the Régles given in Opinion 5 (which relates to the circumstances in which a name originally published before the starting point of zoological nomenclature in 1758 (Article 26) is to be accepted as an available name on being republished after the close of 1757), together with the proposals in regard thereto submitted in paragraph 21 in the list contained in Commission Paper I.C.(48)11.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that a name which, by reason of having been published before the starting point of zoological nomenclature (ie. prior to Ist January, 1758), possesses no status under the Régles does not acquire such status if, when republished after 1757, it is simply reprinted with its original diagnosis, it being necessary, if such a name is to acquire rights under the Régles, that, on being republished, it should be reinforced by being adopted or accepted by the author by whom it is republished.

25. THE COMMISSION had under consideration the interpretation of Article 26 of the Régles given in Opinion 3 (which relates to the status to be accorded to works published in the year 1758), together with the proposals in regard thereto submitted in paragraph 24 of the list contained in Commission Paper I.C.(48)11.

Articles 25 and 1 and

Opinion 88

(status of a specific

name published

for a composite

nominal species)

6th Meeting, Paris, J uly, 1948, 151

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that any work published in the year 1758 is to be treated as having been published subsequent to the 10th edition of the Systema Naturae of Linnaeus

and therefore subsequent to the starting point of zoological nomenclature.

26. THE COMMISSION had under consideration the interpretation of the Regles given in Opinion 88 (which relates to the status of the name of a nominal species, the original description of which contained descriptions of the bodily parts of more than one species and to the status of the name of a genus having such a nominal Species as its type species), together with the proposals in regard thereto submitted in paragraph 25 of the list contained in Com- mission Paper I.C.(48)11.

In the discussion on this matter, it was pointed out that Opinion 88 was silent regarding the Article or Articles of which it gave an interpretation. This was a question which must, however, be determined before the ruling given

Article 31. The second issue raised by this Opinion was the status of a generic name, in a case where the type species of the genus concerned was, when first published,

152

(Previous reference: Paris Session,

4th Meeting, Conclusion 11)

Article 30, Rule (a), and Opinion 7 (type species of a genus the name of which was published with the formula n.g., n.sp. ”)

International Commission on Zoological Nomenclature.

based on two or more taxonomic species (Article 31). It was perhaps a weakness in the Régles that there was not also a provision, which would appropriately form part of Article 25, expressly laying it down that the name of a nominal species is not invalidated by reason of that species being, when first published, a composite species consisting of two or more taxonomic species. The incorporation of the ruling given in Opinion 88 provided a convenient opportunity for the insertion of such a provision. There was clearly no need to incorporate in the Régles any provision relating to the status of a generic name iti a case where the type species was, when first published, an indeterminate composite nominal species, for once it was made clear that the name of such a nominal species was an available name and it was clearly laid down how the identity of such a composite species was to be determined, there could be no doubt as to the status of the name of a genus having such a species as its type species.

At the conclusion of the discussion, THE COMMISSION

agreed to recommend :—

(1) that a provision should be inserted at some appro- priate point in the Régles making it clear that a specific name is not invalidated by reason of the fact that, in the original description of the nominal species to which that name was applied, there were included descriptions either of two or more species or of parts of different animals belonging to two or more species ;

(2) that words should be inserted in the revised text which it had been agreed should be inserted in the Reégles in place of the existing Article 31 to make it clear that the provisions of that Article applied not only to the case where the original description of a nominal species contained descriptions of two or more species but also to the case where the original description of such a species contained descriptions of parts of different animals belonging to two or more species.

27. THE COMMISSION had under consideration the interpretation of Rule (a) in Article 30 of the Reégles given in Opinion 7 (which relates to the question of the type species of a genus established prior to 1st January, 1931, with the formula “n.g.,n.sp.’’), together with the proposals in regard thereto submitted in paragraph 27 of the list con- tained in Commission Paper I.C.(48)11.

The attention of the Commission was drawn to the fact that, although the obvious intention of the Commission in Opinion 7 was to lay down that, in the case of a genus with no designated type species, where the expression n.g.,

6th Meeting, Paris, July, 1948. 153

n.sp.”’ was used in relation to one but not more than one of the included species, that Species was to be taken as the type species, the wording actually used in that Opinion applied also to the case where the foregoing expression was used in relation also to two or more species. In such a case the Opinion became meaningless, for it was impossible for a genus to have more than one species as its type species. It was important that, when this Opinion was codified, it should be made clear that the decision given in it applied only to the case where the expression “n.g., n.sp.’’ was used in relation to one but not more than one species.

THE COMMISSION agreed to recommend :-—

that words should be inserted in the Reégles to make it clear that, where, prior to lst J. anuary, 1931, the name of a nominal genus was published without a designated or indicated type species, but the formula “n.g., Isp.” or an exactly equivalent formula was employed in relation to that nominal genus and to one but not more than one new nominal species described thereunder, the employment of such a formula is to be taken as constituting the designation of the nominal species in question as the type species of the nominal genus concerned.

Article 30, Rule (c), 28. THE COMMISSION had under consideration the rive hoor = interpretation of Rule (c) in Article 30 of the Régles given genus for which in Opinion 47 (which relates to the type species of a genus cota hee gra which was not intended by its original author to be mono- the original author) typical but for which only one species was definitely cited by name at the time of the original publication of the generic name), together with the proposals in regard thereto submitted in paragraph 28 in the list contained in Com-

mission Paper 1.C.(48)11.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Regles to make it clear that, where a genus is established without a designated or indicated type species and only one nominal species is cited as being referable to that genus, the nominal species so cited is the type species of the genus by monotypy, irrespective of whether or not the author concerned regarded the genus as mono-

typical. Article 30, Rule (d), fered quate Geir 1/099.) TEIN, COMMISION had under consideration the

nominal genus, interpretation of Rule (d) in Article 30 of the Reégles given

orb lt we in Opinion 18 (which relates to the questions whether it is

- of which has necessary that, in order that the type species of a genus

154 International Commission on Zoological Nomenclature.

a synonym Possessing a tautonymous trivial name not cited in the original publication)

Article 30, Rule (d), and Opinion 16 (type species of a nominal genus of which an included nominal species had a pre-1758 tautony- mous univerbal specific name cited as a synonym)

(Previous reference: Paris Session, 6th Meeting, Conclusion 27)

shall be determined by absolute tautonymy, the tautony- mous specific or subspecific trivial name must actually be cited in the original publication of the generic name), together with the proposals in regard thereto submitted in paragraph 29 of the list contained in Commission Paper 1.C.(48)11.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that, where, prior to lst January, 1931, a genus was established with no designated or indicated type species and one of the included nominal species had at that time either as its valid name or as a synonym a specific trivial name consisting of the same word as the generic name or had a subspecies the sub- specific trivial name of which consists of such a word, it is immaterial for the purposes of Rule (d) in Article 30 whether the tautonymous specific or subspecific trivial name was or was not cited in the original publication of the generic name.

30. THE COMMISSION had under consideration the interpretation of Rule (d) in Article 30 of the Régles given in Opinion 16 (which relates to the type species of a genus established without a designated or indicated type species but containing a species for which a pre-1758 univerbal specific name consisting of the same word as the generic name is cited as a synonym), together with the proposals in regard thereto submitted in paragraph 30 of the list contained in Commission Paper I.C.(48)11.

The attention of the Commission was drawn to the fact that the wording employed in Opinion 16 suffered from a defect similar to that which had already been noted in Opinion 7. In the present case the Commission had clearly intended to lay down a rule that, where a genus established without an expressly designated type species had among its originally included species one for which a particular type of synonym was cited at the time of the original publication of the generic name, that species was to be treated as being the type species by absolute tautonomy. As drafted, however, Opinion 16 applied also to the case-where there were two or more originally included species for each of which a synonym of the special kind envisaged was cited. In such a case the ruling in Opinion 16 became meaningless, for no genus could have more than one species as its type species. In this case also it was important that, on codifica- tion, it should be made clear that the decision applied only to the case where one but not more than one of the originally included species was distinguished by having among its

Article 30, Rule (f), and Opinion 35 (type species of a substitute genus where one or more of the originally included species were not cited under a binominal name)

Article 30, Rule (zg),

and Opinion 35 (type species of a Nominal species where one or more of the originally ‘included Species

6th Meeting, Paris, July, 1948, 155

cited synonyms a Synonym of the special kind dealt with in this Opinion.

that words should be inserted in the Regles to make it clear that, where, prior to Ist January, 1931, a genus . Was established without a designated or indicated type species and where in the Synonymy cited for one, but

there was cited a name which, prior to 1758, had been published as a univerba] specific name and that name

mous univerbal specific name was cited as a synonym is the type species of the genus by absolute tautonymy,

31. THE COMMISSION had under consideration the interpretation of Rule (f) in Article 30 of the Regles given in

the proposals in regard thereto submitted in Paragraph 3] of the list contained in Commission Paper T.C.(48)11, THE COMMISSION agreed to recommend :-_

that words should be inserted in the Reégles to make it clear that, where, prior to Ist January, 1931, a generic

genus) and that for this purpose it is not necessary that the species so selected should have been cited under a binominal hame when originally cited either

32. THE COMMISSION had under consideration the interpretation of Rule (g) in Article 30 of the Régles given in

156 International Commission on Zoological Nomenclature.

were not cited under a binominal name)

Article 30, Rule (g), and Opinion 10 (type species of genera having identical limits)

Article 30, Rule (zg), and Opinion 62 (a nominal species eligible for selection as the type species of more than one nominal genus) ~

eligibility of a species not originally cited under a binominal name for selection by a subsequent author as the type species of a genus), together with the proposals in regard thereto submitted in paragraph 32 of the list contained in Commission Paper I.C.(48)11.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that, where, prior to Ist January, 1931, a genus was established without a designated or indicated type species, any of the species originally included in the genus is eligible for subsequent selection by the same or another author as the type species of the genus, irrespective of whether or not that species was cited under a binominal name at the time of the original publication of the generic name.

33. THE COMMISSION had under consideration the interpretation of Rule (g) in Article 30 of the Regles given in Opinion 10 (which relates to the type species of genera established with identical limits), together with the proposals in regard thereto submitted in paragraph 33 of the list contained in Commission Paper I.C.(48)11.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that, where, prior to lst January, 1931, two or more genera with identical limits (i.e. with the same included nominal species) were formed independently by different authors and neither genus or none of the genera had a designated or indicated type species, any of the included nominal species may be subsequently selected by the same or another author to be the type species of either or all of the genera concerned.

34. THE COMMISSION had under consideration the interpretation of Rule (g) in Article 30 of the Régles given in Opinion 62 (which lays down the proposition that a nominal species which is the type species of one genus is not thereby excluded from selection to be the type species of another genus), together with the proposals in regard thereto submitted in paragraph 34 of the list contained in Com- mission Paper I.C.(48)11.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that in the case of a genus established prior to Ist January, 1931, without a designated or indicated type species, any author may later select to be the type species of that genus any of the originally included

Article 30 and Opinion 164 type species of a genus not affected by the subjective union of that genus with another genus)

Article 30, Rule (g), and Opinion 6 (special method of selecting the type species of a genus established before 1931 with only two included species)

Article 30, Rule (g), and Opinion” 14 (selection of a nominal species to be the type species of a genus not invalidated where

6th Meeting, Paris, J uly, 1948, 157

nominal species, irrespective of whether the nominal Species so selected may already be the type species of another nominal genus.

35. THE COMMISSION had under consideration the interpretation of Article 30 of the Reégles given in Opinion 164 (which lays it down that the type species of a genus is not subject to change upon the union of the genus concerned with another genus), together with the proposals in regard thereto submitted in paragraph 35 of the list contained in Commission Paper 1.C.(48)11.

THE COMMISSION agreed to recommend

_ that words should be inserted in the Régles to make it clear that, when two or more genera are subjectively united on taxonomic grounds, such union in no way affects the type species of the genera concerned, the combined genus so formed taking as its name the oldest available name of any of the nominal genera concerned and the genus bearing that name retaining as its type species the nominal species previously designated, indicated or selected as such.

36. THE COMMISSION had under consideration the interpretation of Rule (g) in Article 30 of the Regles given in Opinion 6 (which lays it down that the type species of a genus established without a designated or indicated type Species and containing two, but not more than two, originally included nominal species is automatically determined when one of the nominal species becomes the type species of a monotypical genus), together with the proposals in regard thereto submitted in paragraph 36 of the list contained in Commission Paper I.C.(48)11.

THE COMMISSION agreed to recommend :— that words should be inserted in the Régles to make it clear that, where, prior to Ist J anuary, 1931, a genus established without a designated or indicated typ® species contains two, but not more than two, originally included nominal species and later the same or another author designates or indicates one of those nominal species as the type species of a new monotypical genus, that action automatically constitutes the selection of the remaining species as the type species of the original genus.

37. THE COMMISSION had under consideration the interpretation of Rule (g) in Article 30 given in Opinion 14 (which lays it down that, where an author, in selecting a nominal species to be the type species of a genus established

- without a designated or indicated type species, himself

158 International Commission on Zoological Nomenclature.

the author making the selection him- self misidentifies the species which he so selects)

Article 30 (all Rules) and

Opinions 65 and 168 (the original author of a generic name to be assumed to have identified correctly the nominal species referred by him to the genus so named)

misidentifies the species which he so selects, that error does not invalidate the selection of the type species so made) and the proposals in regard thereto submitted in paragraph 37 of the list contained in Commission Paper I.C.(48)11.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that, where, prior to lst January, 1931, a genus was established without a designated or indicated type species and at any time after the date of publication of the generic name in question an author selects one of the originally included nominal species to be the type species but, in doing so, himself misidentifies the species which he so selects, that selection is not invalidated by reason of the error so committed.

38. THE COMMISSION had under consideration the interpretation of Article 30 given in Opimons 65 and 168 (which lay down the proposition that an author who publishes a generic name is in the first instance to be assumed to have identified correctly the species referred by him to the genus so named) and the proposals in regard thereto submitted in paragraph 38 of the list contained in Commission Paper I.C.(48)11.

THE COMMISSION agreed to recommend :—

(1) that words should be inserted in the Reégles to make it clear that an author who publishes a

PURCHASED name for a genus is, in the absence of evidence to

the contrary, to be assumed to have identified

46 MAY 1858 correctly the nominal species referred by him to

the genus so named and therefore that, where either the original author himself designates or indicates, or the same or some other author later selects, one of the originally included nominal species to be the type species of the genus, the designation, indication or, as the case may be, the selection so made, is not to be rejected on the ground that the original author of the generic name misidentified some other nominal species with that nominal species, but

(2) that, where there were grounds for considering that such a species had been misidentified by the original author of the genus, the case was to be submitted to the International Commission on Zoological Nomenclature which, if satisfied that the species in question had been so misidentified, was, under its plenary powers, to designate as the type species of the genus concerned, either (a)

THANKS TO _ U.N.E.S.C.O. a

The International Trust for Zoological Nomenclature, on behalf of the International Commission on Zoological Nomenclature, have great pleasure in expressing their grateful thanks to the UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANISATION (U.N.E.S.C.O.) for the financial assistance afforded towards the cost of producing the present volume.

ae

BULLETIN OF ZOOLOGICAL NOMENCLATURE

Notice to subscribers regarding the arrangements made for the completion of volume 1 and for the publication of volumes 2, 3, 4 and 5

a

Tae a0 Fee TS

The following arrangements have been made for completing volume 1 of the Bulletin of Zoological Nomenclature and for the publication of volumes 2, 3, 4.and 5 :—

Volume 1: A concluding Part (Part 12), containing, inter alia, the Title Page, Table of Contents, and alphabetical subject index, will be published shortly.

Volume 2: This volume, like Volume 1, will be devoted to the publica- i‘ tion of applications in regard to nomenclatorial problems submitted ° by specialists to the International Commission on Zoological Nomen- ¢

clature for decision. Publication will commence at an early date.

Volume 3: This volume, which is now complete in 9 Parts, is devoted

to the publication of the memoranda, reports and other docu- ree ments considered by the International Commission on Zoological Nomenclature and by the Section on Nomenclature of the Thirteenth 5. International Congress of Zoology at their meetings held in Paris 4 in July 1948. - 4

: Volume 4: This volume will be devoted to the publication of the Official Record of Proceedings of the International Commission on Zoological Nomenclature at its Session held in Paris in July 1948. a Parts 1-9 have already been published and the remaining Parts beh are in the press. a

Volume 5: At the request of the Bureau of the Thirteenth International | Congress of Zoology, this volume will be devoted to the publication bolt of the Official Record of Proceedings of the Section on Nomenclature : J of the Thirteenth International Congress of Zoology, Paris, Fuly 1948, f together with the Reports submitted to the Congress by the Inter- national Commission on Zoological Nomenclature and the Section : on Nomenclature. .

_ INQUIRIES

All inquiries regarding publications should be addressed to the International Trust for Zoological Nomenclature, and all inquiries regarding the scientific work of the Commission to the Secretary to the Commission at the following addresses:— = International Trust for Zoological Nomenclature: 41, Queen’s Gate, London, S.W.7, England. * International Commission on Zoological Nomenclature: Secretariat of the Commission, 28 Park Village East, Regent’s Park, London, N.W.1, England.

Pat:

SS enn LEU ttn tte "i Printed in Great Britain by MeTcHIM AND Son, Ltp., Westminster, London <a

VOLUME 4. Parts 7/9 25th May, 1950 pp. 159—254,

THE BULLETIN OF ZOOLOGICAL pyc SSSNOMENCLATURE

aN 46 hans

The Official Organ of é

THE INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE

Edited by FRANCIS HEMMING, C.M.G., C.B.E.

Secretary to the International Commission on Zoological Nomenclature.

CONTENTS :

The Official Record of Proceedings of the International Page Commission on Zoological Nomenclature at its Session held in Paris in July 1948:

Conclusions of Sixth Meeting

(concluding portion) - - - - - 159-189 Conclusions of Seventh Meeting - - - 190-229 Conclusions of Eighth Meeting -' = = 230-238 Conclusions of Ninth Meeting

(first instalment) - - - - - 239-254

LONDON :

Printed by Order of the International Commission on Zoological Nomenclature on instructions received from the Thirteenth

International Congress of Zoology, Paris, 1948, -

and Sold on behalf of the International Commission by the International Trust for Zoological Nomenclature at the Publications Office of the Trust 41, Queen’s Gate, London, S.W.7.

1950

Price One pound, eight shillings. (All rights reserved)

12S" : jn Rais, bi," 1948. 159

the species intended by the original author when citing the name of the erroneously determined species, or (b), if the identity of that species is doubtful, a species in harmony with current nomenclatorial usage, save that where the said Commission was of the opinion that greater confu- sion than uniformity would result from so doing, it was to direct that the designation or indication, or, as the case might be, the selection as the type species of the genus concerned of the nominal species cited by the original author of the genus was to be accepted.

Article 30 and 39. THE COMMISSION had under consideration the Fes ecpae ae type interpretation of Article 30 of the Régles given in Opinion species for a genus 46 (which lays down what species are eligible for selection to which no nominal as the type species of a genus, the generic name of which is Hier agli | by published with a definition or description but with no the original author) nominal species distinctly referred to it), together with the

proposals in regard thereto submitted in paragraph 39 of

the list submitted in Commission Paper I.C.(48)11.

It was pointed out in discussion that of all the Opinions rendered by the Commission Opinion 46, more than any other, had given rise to confusion and difficulty. There were two reasons for this, first the mutually contradictory decisions recorded in the “‘ summary ’’, second, the discre- pancy between the “summary and certain observations tecorded in the section of the Opinion headed Discussion.” The first of these difficulties arose from the fact that the “summary stated that no species was eligible for selec- tion as the type species of a genus established without clearly specified included species unless it could be recog- nised from the original generic publication” and that where it was not clear how many or what species were involved, the genus was to be deemed to include all the species of the world which would come under the generic description as originally published ”, while in the remaining portion of the same sentence it was stated that “the first species published in connection with the genus (as Aclastus rufipes Ashmead, 1902) becomes tpso facto the type’. No word was said as to what the position would be if the first species so published disagreed with the generic description as originally published. This ambiguity had led to much argument, and much diversity of practice, some workers assuming that the first decision took pre- cedence over the second, others taking the opposite point of view. The second difficulty arose from the fact that the Discussion” in Opinion 46 laid down a long series of criteria for determining the method to be adopted in “‘ recog- nising the species included in a genus belonging to the present class, criteria which (as experience had shown) were VoL. 4L

160 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session,

5th Meeting, Conclusion 3)

(For a later decision expanding the scope of this decision, see Paris Session, 12th Meeting, Conclusion 30)

totally unworkable. These criteria had fortunately not been included in the summary ”’ of Opinion 46 and there- fore did not form part of the substantive decision embodied in that Opinion. Nevertheless, the publication of these criteria in that Opinion in a manner which suggested that they formed part of the Commission’s decision had been most misleading, and this also had given rise to much misunderstanding and unnecessary confusion.

In further discussion it was agreed that the section of Opinion 46 requiring that a species tobe eligible for selec- tion as a type species must be “‘ recognised from ”’ or ‘‘ come under” the original generic description was not only in contradiction with the later provision (that “the first species published in connection with the genus becomes ipso facto the type”’) but also offended against the prin- ciple (referred to in the discussion on Article 35 at the Meeting noted in the margin) that the Régles should be based as far as possible on objective nomenclatorial facts and that their application should be independent of the subjective taxonomic views of individual workers. The first of the provisions in Opinion 46 had been found unworkable in practice. By far the best course therefore would be to delete the first part of the decision in Opinion 46, which, through the subjective character of the rule so laid down, was incapable of securing stability in the nomen- clature of the genera concerned. Once this had been done, the remaining portion of the decision in Opinion 46, namely that the first species to be cited in connection with a genus originally established without any clearly specified included species was to be accepted as the type species would constitute a rule that was clear, objective and easy to | operate.

THE COMMISSION agreed :—

(1) to recommend that words should be inserted in the Régles to make it clear that, where, prior to Ist January 1931, a generic name was published for a genus established (a) with an indication, definition or description (b) with no nominal species distinctly referred to it, the first nominal species to be subsequently so referred to it by the same or another author is to be deemed to have been an originally included species and that species automatically becomes the type species of the genus in question ;

(2) to cancel the decisions embodied in Opinion 46, other than the decision proposed in (1) above to be incorporated in the Reégles. Be

Article 30 and

Opinion 172 (selection of the type species of a genus in a literature- recording serial)

Article 34 and

Opinion 147 (application to generic names of provisions in the third paragraph of Article 35)

(Previous reference: Paris Session, 6th Meeting, Conclusion 7)

VOL. 4 L?

6th Meeting, Paris, July, 1948. 161

40. THE COMMISSION had under consideration the interpretation of Article 39 of the Regles given in Opinion 172 (which relates to the selection of the type species of a genus in a literature-recording serial), together with the proposals in regard thereto submitted in paragraph 40 of the list contained in Commission Paper I.C.(48)11.

THE COMMISSION agreed to recommend :— that words should be inserted in the Regles to.make it clear that, where, prior to Ist J anuary, 1931, a name was published for a genus for which no Species was designated or indicated as the type species and the first occasion on which one of the originally included species was so selected or specified was in a literature- recording serial, that type selection is to be accepted.

41. THE COMMISSION had under consideration the interpretation of Article 34 of the Regles given in Opinion 147 (which applied to generic names the provisions relating to specific trivial names prescribed in the third paragraph of Article 35), together with the proposals in regard thereto submitted in paragraph 41 of the list contained in Com- mission Paper I.C.(48)11,

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) reminded the Commission that earlier during the present meeting they had agreed to recommend that the expression “of the same origin and meaning should be deleted from paragraph (3) of Article 35 and had taken note that the adoption of this recommendation by the Congress would require that a consequential amendment should be made in Opinion 147 by which the provisions in regard to specific trivial names contained in that paragraph had been applied to generic names. The Commission had not, however, amended that Opinion, in view of the proposals submitted in Commission Papers I.C.(48)10 and 11 in favour. of the codification of decisions in existing Opinions, as it had been thought that the most convenient method of attaining the desired end would be to await the consideration of the recommendation to be submitted to the Congress for the codification of Opinion 147.

THE COMMISSION agreed to recommend :—

that. where it is evident that two generic names either (1) consist of the same Latin word or of the same Latinised word (including proper names other than modern patronymics), or (2) are based upon the same modern patronymic, or (3) are based upon the name of the same continent, country, district, town or other place or upon the name of the same geographical feature such as a mountain, island, sea, river or lake, and the said generic names are distinguished from one another only by one or more of the undermentioned differences in spelling, the two names are to be treated as homonyms of one another,

162 International Commission on Zoological Nomenclature.

(Later Reference : Paris Session, 9th Meeting, Conclusion 4)

Article 34 and

Opinion 25 (clarification of provisions deter~ mining whether one generic name is identical with another)

Article 35 (need for definition of con- ditions in which one trivial name is to be regarded as identical with another)

29 66

(a) the use of ae, oe,” and “e”’;

(b) the use of “ei,” “i,” and “y”’ ;

(c) the use of “c” and “k”’;

(d) the aspiration or non-aspiration of a consonant ; (e) the presence or absence of a“ c”’ before a“ t” ; (f) the use of a single or double consonant.

42. In the course of the discussion recorded in the preceding Conclusion, the attention of the Commission was drawn to the interpretation of Article 34 given in Opinion 25, in which it had been ruled, in the case of the generic names Damesiella Tornquist, 1899, and Damesella Walcott, 1905, that a generic name was not to be rejected as a homonym of a previously published generic name if it differed therefrom solely by the presence of the letter “1” before the termination “-ella.” The view was expressed that it was neither necessary nor desirable expressly to include in the Reégles the interpretation of Article 34 given in Opinion 25. In a case of this kind the only satisfactory course was for the Régles to give a complete list of those cases where differences in spelling were to be regarded as being so small as to rendér a generic name spelt in one way a homonym of a generic name spelt in the other way and, having done this, clearly to lay it down that any generic name which was distinguished from every other generic name by any other difference in spelling was to be regarded as a distinct name and therefore not to be rejected as a homonym. The first part of this two-fold need had already been met in the Reégles, for trivial names by Article 35 and for generic names by the decision in Opinion 147, by which those provisions had been applied to generic names.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that the provision relating to the differences in spelling which were to be ignored in determining whether a given generic name was a homonym of another generic name specified in Article 34.as amended in accordance with Conclusion 41 above was an exhaus- tive provision and therefore that no generic name which differed from another generic name in any other way was to be rejected as a homonym of that generic name.

43. Arising out of the discussion recorded in Conclusion 42 above, it was pointed out that the provisions in Article 35, prescribing the conditions in which one trivial name is to be regarded as a homonym. of another trivial name, required clarification on the same lines as those proposed for generic names in Conclusion 42 above. It was suggested also that, although it should be evident from Article 14

Article 34 and

Opinions 125 and 148 (status of emendations in relation to generic homonymy)

Article 34 and

Opinien 148

paragraph (3) :

interpretation in, not

to be incorporated

in the Regles _and to be cancelled

6th Meeting, Paris, July, 1948. 163

(which requires, inter alia, that, where a trivial name is an adjective, it is to agree in gender with the name of the genus to which the species in question is referred) that differences in termination due t o differences of gender should be ignored in considering whether any given adjectival trivial name is a homonym of another such trivial name, it would be helpful to some zoologists expressly to lay this down in Article 35.

THE COMMISSION agreed to recommend :— that words should be inserted in the Régles to make it clear :—

(a) that, in determining whether two trivial names, each consisting of an adjective, are homonyms of one another, no account is to be taken of the gender in which either is expressed and accord- ingly differences in termination due solely to such differences in gender are to be ignored ; that, subject to the insertion in Article 35 of the addition specified in (a) above and of paragraph (e) of the third paragraph of Article 35 in its existing form, the provisions relating to generic names specified in Conclusion 42 above should apply also to trivial names.

44. THE COMMISSION had under consideration the interpretation of Article 34 of the Reégles given in paragraph (2) of Opinion 125 in an individual case and in general terms in Opinion 148 (which relates to the status of a generic name which is identical with a previously published emendation of an earlier generic name), together with the proposals in regard thereto submitted in paragraph 42 of the list contained in Commission Paper I.C.(48)11.

THE COMMISSION agreed to recommend :— that words should be inserted in the Régles to make it clear that a generic name is to be rejected as a homonym, where the word of which that name consists has previously been published as an emenda- tion, whether valid or invalid, of another generic name.

45. THE COMMISSION had under consideration the interpretation of Article 34 of the Régles given in paragraph (3) of Opinion 148 (which laid it down that a generic name published as a substitute for a generic name which is an invalid homonym is not to be rejected on the ground that it is of the same origin and meaning as the name which it replaces), together with the proposals in regard thereto submitted in paragraph 43 of the list contained in Commis- sion Paper I.C.(48)11.

=

164 International Commission on Zoological Nomenclature.

Articles 34 and 35 and Opinien” 102 (status of a generic

THE COMMISSION agreed :— (1) that, having regard to the decision recorded in Conclusion 41 above on the subject of the codifica- tion of Opinion 147, the provisions of paragraph (3) of Opinion 148 were no longer appropriate and should’ not be incorporated in the Reégles.

(2) to cancel paragraph (3) of Opinion 148.

46. THE COMMISSION had under consideration the interpretation of Article 34 of the Régles given in Opinion

ortrivial name when 102 (which laid it down that the availability of a generic

a homonym of the name of a unit of sub-ordinal or higher category)

name is not affected by the prior publication of the same or a similar word as the name for a unit of a higher category), together with the proposals in regard thereto submitted in paragraph 44 of the list contained in Commission Paper 1.C.(48)11. :

It was pointed out that the wording in the summary was unsatisfactory, (a) because, in view of the combined provisions of Articles 4 and 8, the problem discussed in that Opinion could not arise in connection. with a family name and was therefore confined to cases where the name given to a new genus had already been given to a unit of sub- ordinal or higher rank, and (b) because homonymy could only arise if the name published for the new genus was the sAme name as that previously used for a unit of sub-ordinal or higher category. The reference in the summary to a situation in which the names used were similar but not identical was therefore entirely misconceived. It was necessary that these defects should be eliminated before proposals were submitted for the codification of the decision embodied in this Opinion.

THE COMMISSION agreed to recommend :—

(1) that words should be inserted in the Reégles to make it clear that the Law of Homonymy does not apply as between generic or trivial names on the one hand and the names of units belonging to categories above the family level on the other, and therefore that, where such a name consists of a word which has already been used as the name of a unit of Sub-Ordinal or higher category, that name is not to be rejected as an invalid homonym (Example : The Ordinal name Siphonophora Eschscholtz, 1829, does not invalidate the generic name Siphonophora Koch, 1855) ;

(2) that a Recommandation should be inserted at an appropriate point in the Régles deprecating the selection as generic or trivial names of words

Articles 25, 34 and 35 and Opinion 145 (subsequent status of a name first published in a work rejected for nomenclatoria! purposes)

(Later reference: Paris Session, 12th

Meeting Conclusion 35)

Article 25 (meaning

of expression

divulgué dans une publication ”) : postponement of consideration of interpretations of, in Opinions 15 and 51

(Later reference: Paris Session, 7th Meeting, Conclusion 15)

Repeal for inter- pretative purposes of certain

Opinions rendered by the

~ Commission (Previous reference: Paris Session, 6th Meeting, Conclusion 9(1)(6) )

6th Meeting, Paris, July, 1948. 165 previously published as the names of units of Sub-Ordinal or higher category.

47. THE COMMISSION had under consideration the interpretation of Articles 34 and 35 of the Reégles given in Opinion 145 (in relation to the status of generic and specific names, when those names have been previously published in works rejected for nomenclatorial purposes), together with the proposals in regard thereto submitted in paragraph 45 of the list contained in Commission Paper I.C.(48)11.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that, where a work is rejected for nomenclatorial purposes either under Article 25 or under a decision taken by the International Commission on Zoological Nomenclature under their plenary powers, no name, whether a generic name or a trivial name, which first appeared in such a work, is to be treated as having any status either in respect of the Law of Priority (Article 25) or in respect of the Law of Homonymy (Articles 34-36) as from the date of its appearance in a work so rejected, and that in consequence no later name is to be rejected as a synonym on the ground that some other name had been applied to the genus or species concerned in a work so rejected and no later name is to be rejected as a homonym on the ground that it had previously been used in such a work.

48. THE COMMISSION agreed :— to defer consideration of the interpretations of the expression divulgué dans une publication ”’ as used in Article 25 of the Régles, given in Opinions 15 and 51, until they came to consider the general proposals for the clarification of the foregoing expression submitted in Commission Paper I.C.(48)14 (Point (26)).

49. On concluding the survey, recorded in Conclusions 11 to 47 above, of the interpretations of Articles of the Regles given in the Opinions listed in Commission Paper

-1.C.(48)11, THE COMMISSION recalled the decision in

regard to the status to be accorded to interpretative Opimons after the interpretations given therein had been incorporated in the Reégles, in whole or in part, which they had taken when earlier during the present meeting they had considered Commission Paper I.C.(48)10 and agreed :—

166

Resolutions on questions relating to nomenclature embodied in

Declarations rendered by the Commission : preposed codifica- tion of

(Previous reference: Paris Session, 4th Meeting, Conclusion

4(2)(f))

(Previous reference: Paris Session, 3rd Meeting, Conclusion 7(2) )

International Commission on Zoological Nomenclature.

to repeal for interpretative purposes, that is to say for all except historical purposes, with effect from the date on which the amendments to the Régles made by the present Congress become operative :—

(a) the whole of the undermentioned Opinions,

namely :— Opinions 1, 2, 3, 4, 5, 6, 7, 10, 35, 46, 62, 64, 65, 87, 141, 145, 147, 148, 164, 168, 172, 183, 191;

(b) the portions of the undermentioned Opinions

which contain interpretations of Articles of the Regles, namely :-—

Opinions 14, 16, 18, 25, 26, 27, 29, 36, 41, 43, 47, 49, 52, 59, 60, 61, 63, 88, 102, 125.

50. THE COMMISSION had before them a memo- randum by the Secretary to the Commission containing detailed proposals for the incorporation in the Regles of the resolutions on various aspects of zoological nomenclature embodied in the Declarations rendered by the Commission at various dates (Commission Paper I.C.(48)13).

THE COMMISSION :—

(1)

(4)

recalled that, since Commission Paper I.C.(48)13 had been prepared, they had agreed in principle at the meeting noted in the margin to recommend the incorporation in the Regles of provisions embodying the resolutions recorded in certain of the Declarations rendered by the Commission at various times ;

recalled that at the meeting noted in the margin they had already agreed to recommend that the Plenary Powers Resolution of March, 1913 (which formed the subject of Declaration 5), as amended at that meeting, should be incorporated in the Reégles ;

agreed that the questions dealt with in Declarations 9 and 10, being of the nature of statements of policy, were not of a kind which could appropriately be incorporated in the Reégles;

agreed to examine Declarations 1-4, 6-8, 11 and 12, and the recommendations in regard thereto submitted in Commission Paper I.C.(48)13, with a view to reaching conclusions in regard to the incorporation in the Régles of the provisions neluded in those Declarations.

6 ee ————————————

Declarations 1 and 12 (Code of Ethics)

Declaration” 4 (avoidance of in- temperate language in the discussion of zoological nomenclature)

Declaration 2 (avoidance of issue of separates in advance of publica- tion of the paper concerned)

(Previous reference: Paris Session, 6th Meeting, Conclusion 19)

6th Meeting, Paris, July, 1948. 167

51. THE COMMISSION had under consideration the Resolutions relating to the Code of Ethics embodied in Declarations 1 and 12, together with the proposal in regard thereto submitted in paragraph 6 of Commission Paper 1.C.(48)13.

THE COMMISSION agreed to recommend :—

that there should be inserted in the Régles an Article laying it down that, when a worker notices that a generic or subgeneric name or a name of a species, subspecies or infra-subspecific form published as a new name by an author who is alive at the time of the foregoing discovery is invalid by reason of being a homonym and requires to be replaced, the author making such a discovery should notify the author by whom the name in question was published and, before himself publishing a substitute name, should, so far as practicable, give the original author an opportunity of so doing, it being made clear that the observance of the foregoing provision is a matter to be left to the proper feelings of individual workers, it not being part of the duties of the International Com- mission on Zoological Nomenclature to investigate or pass judgment upon alleged contraventions of this provision.

52. THE COMMISSION had under consideration the Resolution deprecating the use of intemperate language in the discussion of zoological nomenclature embodied in Declaration 4, together with the proposal in regard thereto submitted in paragraph 7 of Commission Paper I.C.(48)13.

THE COMMISSION agreed to recommend :— that there should be inserted in the Régles an Article laying it down that the use of intemperate language is to be avoided in the discussion of zoological nomencla- ture.

53. THE COMMISSION had under consideration the Resolution deprecating the distribution of separates of a paper prior to the publication of that paper embodied in Declaration 2, together with the proposal in regard thereto submitted in paragraph 8 of Commission Paper I.C.(48)13.

In submitting the foregoing matter to the Commission, the ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that it had already been decided to recommend to the Congress that words should be inserted in the Régles embodying the interpretation of Article 25 given in Opinion 59, in which the Commission had laid it down that a new name which appeared in the separate of a paper distributed

168 International Commission on Zoological Nomenclature.

Declaration 6 (need for clearly

indicating as new every name when

first published)

(Previous reference: Paris Session, 5th Meeting, Conclusion 1(8)(a) and (b) )

prior to the publication of that paper in the book or. serial for publication in which it had been printed ranked for purposes of priority not from the date of the distribution of the separates but from the later date on which the paper in question was actually published in the serial in question. The Resolution embodied in Declaration 2 had been adopted by the Commission simultaneously with Opinion 59, of which it was intended to be a supplement ; it urged authors to avoid the practice of distributing separates in advance of the publication of the book or serial containing the paper reproduced in such separates. Declaration 2 could therefore appropriately be embodied in the Régles as a Recommanda- tion to the portion of Article 25 in which the provisions of Opinion 59 were to be embodied.

THE COMMISSION agreed to recommend :—

that there should be added to the portion of Article 25 in which the decision given in Opinion 59 was to be embodied a Recommandation urging editors not to make available, and authors not to distribute, copies of papers prior to those papers being actually published in the book or serial for inclusion in which they had been printed.

54, THE COMMISSION had under consideration the portion of the Resolution embodied in Declaration 6 which urged every author who publishes a new name clearly to indicate that he is so doing, together with the proposal in regard thereto submitted in paragraph 9 of Commission Paper I.C.(48)13.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) reminded the Commission that, since the fore- going proposal had been submitted, they had agreed, at the meeting noted in the margin, at which they had considered the plan for regulating the nomenclature of subspecies and infra-subspecific forms, to recommend the insertion in the Régles of a Recommandation, urging every author, when publishing a new subspecific name, to add the expression ““ssp.n.” or some equivalent expression immediately after the subspecific trivial name and, when publishing a name for a new infra-subspecific form, the expression ‘“‘ form. n.” or some equivalent expression. For these two categories of name, the Commission had therefore already agreed to recommend the insertion in the Reégles of a Recommandation which would give effect to the Resolution embodied in Declaration 6. In order fully to give effect to the Resolution embodied in that Declaration, it was necessary now to deal in a similar way with names at the species level

Declaration 6 (need for avoiding the publication of a name as new on ~ more than one Gccasion)

Declarations 3 and 8 (need for giving a clear indication of date of publication)

6th Meeting, Paris, July, 1948. 169

and above covered by the Regles, that was to Say, with names of Families to names of species (both inclusive).

THE COMMISSION agreed to recommend :—

(1) that there should be added at some appropriate point in the Régles a Recommandation urging every author, when publishing a new Family or Sub- Family name clearly, to indicate that that name is a new name by inserting immediately after that name a comma followed by the expression “fam.n.” or sub-fam.n.”, as the case may be,

or some equivalent expression :

(2) that there should be added to the Reégles a Recom- mandation urging every author, when publishing a new generic or subgeneric name or a new specific name, clearly to indicate that that name is a new name by inserting immediately after that name a comma followed by the expression “‘ gen.n,”’, subgen.n.”, sp.n.”, as the case may be, or some equivalent expression.

95. THE COMMISSION had under consideration the portion of the Resolution embodied jin Declaration 6, which urged authors not to publish names as new names on more than one occasion, together with the proposal in regard thereto submitted in paragraph 9 of Commission Paper 1.C.(48)13.

THE COMMISSION agreed to recommend :—

that there should be added at some appropriate point in the Régles a Recommandation or Recommandations urging every author, when publishing a new name belonging to a category recognised in the Regles, i.e. @ new name for any category from Family to infra- subspecific form (both inclusive), (a) not to publish that name as a new name in more than one book or paper and (b) not to publish in more than one serial & paper containing a new name, without indicating on the second, or any subsequent, occasion that the paper in question had already been published and giving a bibliographical reference to the serial in which that paper had been first published.

56. THE COMMISSION had under consideration the Resolutions embodied in Declarations 3 and 8 regarding the need for giving in every zoological book or other publication a clear indication of its date of publication, together with the proposal in regard thereto submitted in paragraph 10 of Commission Paper 1.C.(48)13.

170 International Commission on Zoological Nomenclature.

Declaration 7 (need for citation of bibliographical references)

Declaration 11 (need for indicating the systematic position of new taxonomic units)

THE COMMISSION agreed to recommend :—

that there should be added at some appropriate point in the Régles a Recommandation urging every editor or other person concerned with the publication of a book or serial concerned with zoology to take all necessary steps to ensure :—

(a) that its exact date of publication (year, month, day) be clearly stated in every zoological work ;

(b) that, in the case of serials and separate works published in parts, each part shall bear its exact date of publication and that on the completion of the volume concerned there shall be added a statement giving the date on which each part was published and specifying its exact contents (both pages and plates).

57. THE COMMISSION had under consideration the Resolution on the need for the citation of bibliographical references embodied in Declaration 7, together with the proposal in regard thereto submitted in paragraph 11 of Commission Paper I.C.(48)13.

THE COMMISSION agreed to recommend :—

that there should be added at some appropriate point in the Régles a provision urging every author who cites a generic, subgeneric, specific, subspecific, or infra-subspecific name to insert at least once in the paper concerned the name of the author, and the date of publication, of each name cited or preferably to give a full bibliographical reference to the original place of publication of every such name.

58. THE COMMISSION had under consideration the Resolution on the need for indicating in original descriptions the systematic position in the Animal Kingdom of the taxonomic unit described, embodied in Declaration 11, together with the proposal in regard thereto submitted in paragraph 12 of Commission Paper I.C.(48)13.

THE COMMISSION agreed to recommend :—

that there should be added at some appropriate point

in the Régles a Recommandation urging every author,

when naming a new taxonomic unit from Family to infra-subspecific form, clearly to indicate the syste- matic position of that unit in the Animal Kingdom, and, in the case of categories from genus to infra- subspecific form (both inclusive), to indicate the Class and Order to which the unit in question is

6th Meeting, Paris, July, 1948, 171

referable and, if the Order concerned is commonly divided into Families, the name of the Family to which the unit in question is referable.

Repeal excepi for 59. On concluding the survey, recorded in Conclusions near asenhyurpares 51 to 58 above, of the Resolutions embodied in the so far rendered by Declarations, regarding which proposals were submitted in the Commission Commission Paper I.C.(48)13, THE COMMISSION recalled (Previous reference: the decision in regard to the status to be accorded to Paris Session, 6th Declarations after the Resolutions set forth therein had been

Meeting, Conclusion incorporated in the Regles, which they had taken when

at Ne))) earlier during the present meeting they had considered Commission Paper I.C.(48)10. THE COMMISSION agreed :—

to repeal except for historical purposes the Declara- tions so far rendered by the Commission, namely Declarations 1-12, with effect from the date on which the amendments to the Régles made by the present Congress become operative.

Miscellaneous 60. THE COMMISSION had before them a memoran-

heer play dum by the Secretary to the Commission containing a list

clarification of the of twenty miscellaneous proposals for the amendment or

“Regles” : first cat Pes (Cotininai ose eae. clarification of the Régles (Commission Paper I.C.(48)12).

sidered item byitem THE COMMISSION :—

(Previous reference : (1) recalled that, since Commission Paper I.C.(48)12

Paris Session, 4th had been prepared, they had agreed in principle

Peers eenclnisvon 2) at the meeting noted in the margin to recommend the adoption of such amendments to the Régles as might be necessary for the clarification of existing provisions, for providing for matters not already dealt with, and for removing blemishes due to careless or inexpert drafting ;

(2) agreed to examine Commission Paper I.C.(48)12, point by point, for the purpose of reaching conclusions regarding the recommendations to be submitted in regard to the questions raised therein.

ae ee 61. THE COMMISSION had under consideration a names), insertion of Proposal (Z.N.(S.)297) for the insertion of a provision in “‘Recommandation” Article 8 of the Reégles designed to encourage authors to vies bee: J select short words for new generic names, together with the proposal in regard thereto submitted in Point (1) in Commission Paper I.C.(48)12. This proposal had been originally submitted by Professor J. C. Faure (University of Pretoria, Union of South Africa) on behalf of himself and others. More recently a similar proposal of somewhat

172 International Commission on Zoological Nomenclature.

Article 13 (deletion of provisions per- mitting the use of a capital initial letter for a specific trivial name in certain cases)

wider scope had been received from Professor Pierre Bonnet (University of Toulouse, France).

In the discussion on this proposal general agreement was expressed regarding the desirability of the insertion in Article 8 of a Recommandation (as proposed by Professor Faure) urging authors to select short words when proposing names for new genera and subgenera. It was felt, however,

hat there were objections to indicating (as was proposed) a specified number of letters as the maximum to be used for any generic or subgeneric name. The general view was that the desired object could best be promoted by a Recommandation urging that such names should be short. It was agreed also to add to the Recommandation that such words should be euphonious. Admittedly, there were words which were euphonious in some languages but not in others, but in judging whether for the present purpose a given name was or was not euphonious, it must be borne in mind that, as the language of zoological nomenclature was the Latin language, it was from this standpoint that the question must be viewed.

THE COMMISSION agreed to recommend :—

that there should be added either to Article 8 or to Article 25, whichever was found to be the most con- venient, a Recommandation, urging every author, when naming a new genus or subgenus or renaming a genus or subgenus the name of which is invalid by reason of being a homonym, to select a name which was short and, from the standpoint of the Latin language, euphonious.

62. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) submitted in Point (2) of Commis- sion Paper I.C.(48)12, that the provision in Article 13 under which an author was given the option to write certain classes of specific (and subspecific) trivial names with a capital initial letter should be deleted from the Régles. This proposal had been submitted independently also by Professor Pierre Bonnet (France) in the fourth of the propositions which he had laid before the Commission.

This proposal was warmly welcomed, the view of those present being that the use of a capital initial letter for a specific trivial name was objectionable, as being lable to cause confusion between specific trivial names so written and generic names. This provision had been inserted in Article 13 in Berlin in 1901 because at that time there were many zoologists who habitually used capital initial letters for certain classes of specific trivial name and who were

Article 14 (need for brevity in specific and subspecific trivial names), insertion of a *Recommandation” regarding

(Previous reference: Paris Session, 6th Meeting, Conclusion 61)

Examples cited in the Regles to be drawn only from works by binominal authors

6th Meeting, Paris, July, 1948. 173

unwilling to abandon that practice. In the 50 years which had since elapsed the number of such zoologists had greatly diminished and was now extremely small. The time had therefore come when this obsolete provision should be repealed.

THE COMMISSION agreed to recommend :—

that Article 13 should be redrafted so as to require that every specific trivial name should be written with a small initial letter.

63. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) submitted in Point (3) in Commis- sion Paper I.C.(48)12 that, consequential upon the adoption ofthe proposal submitted in Point (1) of that Paper that a Recommandation should be added to Article 8 urging the desirability of selecting short words as the names of new genera and subgenera, a corresponding Recommandation should be added to Article 14, in regard to the selection of new specific and subspecific trivial names.

The view was expressed that in this matter the provisions in the Regles in regard to specific and subspecific trivial names should correspond with those for generic and sub- generic names. It would be necessary therefore to amend the proposal submitted in the present case in the same way as it had just been agreed to amend the corresponding proposal in regard to generic and subgeneric names.

THE COMMISSION agreed to recommend :—

that there should either be added to Article 14 a Recommandation, urging every author, when naming a new species or subspecies or renaming a species or subspecies the name of which was invalid by reason of being a homonym, to select a name which is short and, from the standpoint of the Latin language,

euphonious, or, if it were found more convenient to

attach to Article 25 the Recommandation regarding the foregoing problem in relation to the names of genera and subgenera, which, as agreed in Conclusion 61 above, it was proposed should be added either to Article 8 or to Article 25, to include in that Recom-

* mandation a reference to the trivial names of species, subspecies and infra-subspecific forms.

64. THE COMMISSION had under consideration a note (file Z.N.(S.)352) submitted in Point (4) in-Commission Paper I.C.(48)12, in which attention was drawn to the fact that, as Goeze was not a consistently binominal author, it was not suitable that that author’s usage of a previously

174 International Commission on Zoological Nomenclature.

Article 22 (abbrevia- tion of authors’ names): substitution of a revised “‘Recommandation”

published specific name should be cited as an example in Article 24. It was accordingly proposed that this example should be deleted from that Article and that another example based upon the action of a strictly binominal author should be inserted in its place.

It was pointed out in the discussion that Article 24 was not the only place in the Régles where a usage by Goeze was cited as an example, and the view was expressed that it was desirable that the proposal submitted should be extended so as to cover all examples at present included in the Régles which were drawn from the usage of non-bino- minal authors.

THE COMMISSION agreed to recommend :—

that “examples” cited in the Regles to illustrate particular provisions should be drawn only from the works of strictly binominal authors and that, wherever at present an ‘“‘ example ”’ was drawn from a work by an author who was not strictly binominal, that example should be replaced by one which conformed to the requirement specified above.

65. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) submitted in Point (5) in Commission Paper I.C.(48)12 that the Recommandation which at present appearedin Article 22 of the Regles should be deleted and that there should be inserted in its place a new Recom- mandation urging authors, when citing scientific names, not to abbreviate the names of the authors of such names, except in the case of very well-known deceased authors. As regards the first of these proposals, it was pointed out that in the course of the last 50 years the existing Recom- mandation contained in Article 22 had become obsolete and unworkable, as the book which that Recommandation advised authors to consult had long been out of print and was virtually unobtainable. A proposal in the same sense as the above had been received from Professor Pierre Bonnet (France).

THE COMMISSION agreed to recommend :—

that the existing Recommandation should be deleted from Article 22 and that there should be inserted in its place a Recommandation urging authors, when citing previously published names or previously published papers, to refrain from abbreviating the name of the author of the name or paper concerned, except, if it was so desired, the names of deceased authors whose names, even if abbreviated, would be easily recognised, by reason of the importance of their published work.

Articles 25, 34 and 35 (status of apparent new names or new combinations due to errors in literature-recording serials defined)

Article 25, Proviso (b) (meaning of the expression

principes de la nomenclature binominale ”)

(Previous reference: Paris Session, 4th Meeting, Conclusion 3)

Article 30 (clarification of applicability to generic names published after 31st December, 1930)

VOL. 4M

6th Meeting, Paris, July, 1948. 175

66. THE COMMISSION had under consideration a proposal submitted by Dr. Curtis W. Sabrosky (Washington) (file Z.N.(S.)334), in regard to the status of apparent new names (generic or trivial) and new combinations, where these are due to errors in abstracting or literature-recording serials, together with a proposal in regard thereto submitted in Point (6) in Commission Paper I.C.(48)12.

THE COMMISSION agreed to recommend -—

that words should be added to Article 25 to make it clear that, when reference to an original publication shows that an apparent new name (whether generic or trivial) or an apparent new combination appearing in a literature-recording serial is due to an error in that serial, the apparent new name or new com- bination shall have no status in nomenclature and is not to be held to pre-occupy for the purposes of Article 34 or Article 35 the same name or the same combination when later published deliberately for

the same or another genus or species, as the case may be.

67. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) submitted in Point (7) in Commis- sion Paper I.C.(48)12, in regard to the meaning of the expres- sion principes de la nomenclature binominale ”, which it had been agreed, at the meeting noted in the margin, should be substituted for the expression principes de la nomen- clature binaire”, which at present appeared in Proviso (b) to Article 25 of the Regles.

THE COMMISSION agreed to recommend :—

that words should be inserted in Article 25 to make it clear that, in order to qualify, for the purposes of Proviso (b) to Article 25, as an author who had applied “les principes de la nomenclature binominale ”’, an author must have consistently applied those principles in the book or paper in question and not merely in a particular section or passage thereof.

68. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) submitted in Point (8) in Commission Paper I.C.(48)12, that the position should be clarified as regards the applicability of Article 30 of the Reégles to generic names published after 31st December 1930, that is to say, to generic names published subsequent to the entry into force of the provisions of Proviso (c) to Article 25 adopted by the Budapest Congress in 1927.

176 International Commission on Zoological Nomenclature.

( Previous reference: Paris Session, 4th Meeting, Conclusion 8)

( Previous reference: Paris Session, 6th Meeting, Conclusions 27, 29, 30)

( Previous reference: Paris Session, 6th Meeting, Conclusions 27, 29, 30)

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the wording of Article 30 had been defective ever since the beginning of 1931, for, although, as it stood, the wording implied that the Article applied to every generic name, irrespective of its date of publication, Rules (b) and later Rules had as from Ist, January 1931, been restricted, in their application, to names published on or before 31st December, 1930, owing to the coming into force on Ist January, 1931 of the amendment to Article 25 adopted by the Congress at its Budapest meeting in 1927. It was desirable that, as part of the general clean-up of the Reégles, words should now be inserted in Article 30 to make the position clear. As regards Rules (a) to (d) in Article 30 the Commission had agreed (at the meeting noted in the margin) to recommend that words should be inserted in Article 30 to make it clear that in their present form these Rules applied to names published on or after Ist January, 1931 as well as to names published before that date. arlier in the present meeting, the Commission, when considering the action to be taken for the incor- poration in the Reégles of interpretations given by the Commission in Opinions rendered before the opening of the present Congress, had had under consideration the inter- pretation of Rule (a) given in Opinion 7 and the inter- pretations of Rule (d) given in Opinions 18 and 16, and had agreed to recommend that words should be inserted in Article 30 to give effect to those interpretations, so far as regards generic names published on or before 31st December, 1930, but that it should be made clear at the same time that these interpretations of Rules (a) and (d) in Article 30, which, in effect, represented relaxations of those Rules, should not apply to generic names published on or after Ist January, 1931, the date as from which newly published generic names became subject to the more rigorous provisions of Proviso (c) to Article 25.

THE COMMISSION agreed to recommend :—

(1) that words should be inserted in Article 30 to make it clear :—

(a) that in their present form (i.e. in their pre- Paris Congress form) Rules (a), (b), (¢) (as relaxed by Opinion 47) and (d) apply to every generic name, irrespective of its date of publication ;

(b) that the wording which, in accordance with the decision taken at the meeting noted in the margin, it was now proposed should be employed to enlarge the scope (i) of Rule (a) to give effect to the interpretation thereof

CC

Se

(Previous reference: Paris Session, 4th Meeting, Conclusion 8)

Article 30 (drafting amendments required to remove ambiguities)

(Previous reference: Paris Session, 4th Meeting, Conclusicn 11)

VoL, 4 M2

6th Meeting, Paris, July, 1948. 177

given in Opinion 7, and (ii) of Rule (d) to give effect to the interpretations of that Rule given in Opinions 16 and 18 should be such as to make it clear that those interpretations applied only to generic names published prior to Ist January, 1931;

(c) that Rule (e) and subsequent Rules apply only to nathes published prior to Ist January 1931 ;

(2) that the words to be inserted in Article 25 to give effect to the decision taken at the meeting noted in the margin should be so selected as to make it clear that no generic or subgeneric name published after 3lst December, 1930 is to be treated as having been published with a designated or indicated type species, unless such a species is so designated or indicated in accordance with one or other of the Rules in Article 30 lettered (a) to (d), as those Rules existed at the opening of the present Congress, that is to say without the extensions to Rules (a) and (d) specified in (1)(b) above.

69. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) submitted in Point (9) in Com- mission Paper I.C.(48)12, that there should be inserted in Article 30 such drafting amendments as might be necessary to make it clear that the provisions of that Article were concerned with nomenclature and not with taxonomy. It was pointed out that what was required was that the wording should be modified so as to make it clear that the purpose of this Article was to provide rules by which, for any given nominal genus (i.e. the concept denoted by a given generic name) one of the originally included nominal species (i.e. the concept denoted by one of the specific names cited) is to be designated, indicated or selected as the type species of the nominal genus in question. One of the modifications required was the substitution in this Article of the expressions “‘ nominal genus and nominal species ”’ for the expressions “‘ genus” and species” at present used, The introduction of these expressions would eliminate from this Article such expressions as ‘“ publication of a genus ’’, which involved a serious confusion of thought.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) reminded the Commission that, when, at the meeting noted in the margin, they had drawn up recom- mendations for clarifying Article 31, they had found it necessary to introduce the expression “‘ nominal species ”’

1

8

International Commission on Zoological Nomenclature.

for in no other way was it possible in that Article to dis- tinguish, in the case of a composite species, between the nomenclatorial concept of a nominal species”? and the concept of the various taxonomic species of which the single ‘nominal species’ was composed. The object of the proposal to substitute the expression “‘ nominal species” for the expression ‘‘ species’ in Article 31 was to make it clear that it -was the first and not the second of these concepts with which that Article was concerned. It was for similar reasons that it was proposed to substitute in Article 30 the expression “nominal genus” for the expression “genus”, wherever that expression was at present employed. Finally, it was necessary to introduce words into this Article to make it clear, as regards any given “‘ nominal genus which were the nominal species which were to be regarded as having been included in the genus by the original author when he published the generic name and therefore which were the nominal species ”’ from among which a later author was entitled to select the type species of the “‘ nominal genus ”’ concerned in those cases where the type species was not designated or indicated at the time when the generic name was first published. In the discussion which ensued, there was general agreement that, like Article 31, Article 30 was in need of clarification in order to eliminate ambiguities and to secure that the wording employed was directed solely to the problem of nomenclature involved in determining the type species of any ‘“‘ genus” represented by a given generic name (i.e. any “nominal genus”’). The question of the nominal species to be regarded as having been originally included in any given nominal genus” and thus eligible for selection as the type species of that nominal genus was one of some difficulty. If it had been practicable, the most satisfactory course would have been to restrict the field of selection for the type species of a given nominal genus to those nominal species which had been accepted by the original author as taxonomically valid species and had been included by him in the genus. In a large number of cases however the currently adopted type selection of a nominal genus was one in which some author had selected as the type species a nominal species which had been included by the original author of the generic name not as a taxonomically valid species but as a synonym of one of the nominal species accepted by him as a taxonomically valid species and included by him as such in the nominal genus concerned. It was undesirable to do anything which would invalidate such type selections, for this would involve considerable disturbance in existing nomenclatorial practice. The words to be inserted in Article 30 should make it clear therefore that the nominal species to be

6th Meeting, Paris, July, 1948. 179

accepted as having been included in a nominal genus at the time when the name of that genus was first published comprised (1) all the nominal species cited by the author of the generic name and accepted by that author as valid taxo- nomic species and (2) any nominal species cited by that author as a synonym of a nominal species falling in class (1) above. The selection as the type species of a nominal genus of a nominal species not cited by the original author when first publishing the generic name in question could not be accepted, for such a selection ran counter to the provisions of Rule (e) (a) of Article 30. It should be made clear however that, where an author selects a non-originally- included nominal species to be the type species of a given nominal genus and at the same time synonymises that nominal species with a nominal species which was in fact an originally included species, he is to be accepted as having selected that originally included nominal species to be the type species of the nominal genus concerned.

THE COMMISSION agreed to recommend :—

(1) that throughout Article 30 the expression “nominal genus”’ should be substituted for the expression genus ’’ and the expression nominal species’ for the expression “species”, these expressions being defined as follows :—

Expression Definition Nominal genus” The concept denoted by a given generic name. Nominal species” The concept denoted by a given specific name.

(2) that the wording of the Rules in Article 30 should be modified to such extent as might be necessary to secure the uniform use (a) of the expression “‘establishment of a nominal genus” in place of such expressions as the publication of a genus”, (b), of the expres- sion type species of a nominal genus in place of such expressions as type species of a generic name” and (c) of the words designate’ and designation ”’ and “‘ indicate ”’ and indication for the determination of the type species of a nominal genus, in the first instance under Rule (a) and in the second instance under Rules (b), (c) and (d), the words select’ and selection to be used only in connection with Rule (g) ; that words should be inserted at appropriate points in Article 30 to make it clear :— ; (a) that the nominal species to be regarded as having been included in a given nominal genus at the time when the name of that

(3

180 International Commission on Zoological Nomenclature.

Substitution in the ** Regles of the expressions

** nominal genus and nominal species for the expressions

venus and

“* species in certain cases

Article 30 (need to eliminate the expression Rule” from non- mandatory provisions)

genus was first published are (i) the nominal species cited by the original author as valid taxonomic species belonging to that nominal genus and (11) any nominal species cited on that occasion as synonyms of nominal species falling in (!) above and that for such a nominal genus the fore- going nominal species were alone eligible for selection as the type species ;

(b

~

that, where a subsequent author selects as the type species of a nominal genus a nominal species which is not an originally included species, as defined in (a) above or accepts the selection of such a nominal species by a previous author and at the same time synonymises that nominal species with a nominal species which is one of the originally included species, he is to be accepted as having selected that originally included nominal species to be the type species of the nominal genus in question.

79. Arising out of the discussion regarding the phrase- ology to be used in Article 30 recorded in the preceding Conclusion,

THE COMMISSION agreed to recommend :—

that throughout the Régles the expressions “‘ nominal genus ”’ and nominal species ”’ should be substituted for the expressions “genus”? and species”’ res- pectively, wherever the provision in question referred not to a genus or to a species in the taxonomic sense but to the concept represented by a given generic name or specific name, as the case might be.

71. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) submitted in Point (10) in Commission Paper I.C.(48)12, that the expression ‘“ Rule should be reserved in Article 30 for the mandatory provi- sions (i.e. the provisions at present lettered (a) to (g)) and that the remaining provisions in this Article, which (as there expressly stated) were Recommandations should no longer be lettered consecutively with the (mandatory) Rules. The present arrangement of this Article, which was no doubt due to inexpert drafting, was not only illogical but (as the literature showed) was liable to give the erroneous impression that provisions (h) and later pro- visions, though described as Recommandations, nevertheless possessed some mandatory character.

Article 30, Rule (g) (status of a statement as to the type species of a nominal genus made otherwise than as a

deliberate selection)

6th Meeting, Paris, July, 1948. 181

THE COMMISSION agreed to recommend :—

(1) that the expression ‘‘ Rule” in Article 30 should be restricted to the first seven provisions (i.e. the provisions lettered (a) to (g)) in that Article which alone possess mandatory force ;

(2) that the non-mandatory precepts at present lettered (h) to (t) should be given a serial notation different from that adopted for the mandatory provisions referred to in (1) above and should be grouped in a Recommandation which would urge every author, when selecting a nominal species to be the type species of a nominal genus in accordance with the procedure specified in Rule (g), to guide himself in making that selection by the precepts in question, those precepts being applied successively in the order in which they were there specified.

72. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) submitted in Point (11) in Commission Paper I.C.(48)12, that words should be inserted in Rule (g) in Article 30 to make it clear that a definite statement by a subsequent author that a given originally included nominal species is the type species of a given nomi- nal genus is to be accepted as a type selection, irrespective of whether or not the author making that statement con- sidered himself as at that moment selecting a type species for the nominal genus in question.

In the discussion on this proposal the view was expressed that the issue raised was one on which it was important that a definite ruling should be given; many thousands of currently accepted type selections rested upon action taken before the introduction of the present Régles (i.e. before their promulgation in 1905) by authors who accepted what was then known as the Law of Elimination and who, after studying the earlier history of a given generic name, had stated that, as the result of the action of such and such an author or authors, a given nominal species was the type species of the nominal genus concerned. Very great confusion would arise if it were now to be ruled that published statements of this kind were not to be accepted

as effective type selections under Rule (g) in Article 30.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Reégles to make it clear that, for the purposes of Rule (g) in Article 30, an author is to be treated as having selected a given originally included nominal species to be the type

182 International Commission on Zoological Nomenclature.

Article 31 (proposed redrafting of first sentence of, to promote greater clarity)

(Previous reference: Paris Session, 4th Meeting, Conclusion 11

Article 35 (status of emendations in relation to homo- nymy in the names of species and lower taxonomic categories)

spécies of a given nominal genus not only when he cites such a species, other than a species excluded _under Rule (e) in Article 30 and expressly states that he is so selecting that species but also when he does no more than state that a specified such species is the type species of the nominal genus concerned, irrespective, in the latter case, of whether he states or implies, either correctly or otherwise, that. that nominal species had been selected by some previous author to be the type species of that nominal genus or that the nomial species in question had become the type species of that genus through the operation of some rule (for example, the so-called ‘“ Law of Elimination’) not recognised in the Régles as a mandatory provision, provided in such a case that the author concerned makes it clear that he himself accepts, for whatever reason, the species in question as the type species of the genus concerned.

73. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) submitted in Point (12) in Com- mission Paper I.C.(48)12, that the first sentence of Article 31 of the Regles should be redrafted, so as to include a direct statement of the provisions intended in place of the

present obscure wording by reference to the provisions in Article 30.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) explained that, since the foregoing proposal had been submitted, the question involved had been settled by the Commission, when considering Commission Paper 1.C.(48)6. No action was therefore now called for on the present proposal. Article 31 would however require further amendment if the Commission were to adopt the proposals in regard to the terminology of type specimens, submitted in Point (14) in Commission Paper I.C.(48)12. It would, he suggested, be more convenient to defer consideration of this matter until the Commission came to consider Point (14).

THE COMMISSION took note of the above statement.

74. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) submitted in Point (13) in Commission Paper I.C.(48)12, that there should be inserted in Article 35 (relating to specific homonymy) a provision parallel to that laid down in connection with generic homonymy in Opinion 148. Proposals for the incorporation in Article 34 of the interpretation of that Article in relation to the status of generic names published as emendations of

6th Meeting, Paris, J uly, 1948. 183

earlier names had already been submitted to the Commission in Commission Paper I -C.(48)11 ; the proposal put forward in the present Paper was that, whatever decision in this matter might be taken as regards Article 34 in relation to generic names, that decision should be extended to cover also Article 35 in relation to the names of species and subspecies.

. ti ens THE ACTING PRESIDENT (MR. FRANCIS

Meeting, Conelusion HEMMING) recalled that the Commission had now adopted

44) recommendations based on the proposal in regard to generic names submitted in paragraph 42 of Commission Paper 1.C.(48)11. He suggested therefore that the Commission should now agree to adopt a recommendation in regard to specific and subspecific trivial names parallel to that already adopted in the case of generic names, The proposed provision should apply also to the names of infra-subspecific forms.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Regles to make it

clear :— . C P eae ha gy : (a) that a specific trivial name published as an ares es8sion, L . . . . . Mecting, Conchision invalid emendation of an. earlier specific 20) trivial name (i.e. a specific trivial name pub-

lished as an emendation in conditions which do not satisfy the requirements of Article 19) is to be rejected as a synonym of the earlier name, ‘where that name is an available name, the type specimen of the nominal species having as its name the invalid emendation being auto- matically the same specimen as the type specimen of the nominal species bearing the name which has been invalidly emended ;

(b) that, where a specific trivial name is rejected as an invalid homonym and the next oldest name for the species concerned is an invalid emendation of that name and that invalid emendation is sufficiently different in spelling from the original name not to be a homonym thereof under the provisions contained in Article 35, the specific trivial name originally pub- lished as an invalid emendation becomes an available name for the species in question and such a name has priority as from the date on

184 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session, 6th Meeting, Conclision 44)

Terminology of type specimens : proposed insertion in the Regles of Articles and

Recommanda- tions regarding

which it was first published as an invalid emendation and is to be attributed to the author by whom it was so published ;

(c) that a specific trivial name is to be rejected as a homonym (either primary or secondary) where the word of which that name consists has previously been published as an emendation, whether valid or invalid, of the specific ‘trivial name of another species either originally published, or subsequently placed, in the same genus, save where the original name did not comply with the requirements of Article 25 ;

(d) that the foregomg provisions apply also as between the trivial name of a species and the trivial name of a subspecies of a_ species originally described or subsequently placed in the same genus and as between the trivial names of subspecies of one or more species so described or so placed ;

ia)

that the provisions specified in (a) to (c) above apply as between the trivial names of infra- subspecific forms of one or more species originally described, or subsequently placed, in the same genus.

75. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) that a new Article with accom- panying Recommandations should be inserted in the Regles regulating the terminology of type specimens, submitted in Poimt (14) in Commission Paper I.C.(48)12. This proposal included suggestions for the recognition of certain specified categories of type specimens, for the designation and marking of such specimens and the measures to be taken for their safe custody.

In the discussion on this proposal, the following points were made :—

(a) It was very desirable that the inadequate provision in regard to type specimens at present included in the Appendice to the Régles should be replaced by com- prehensive regulations-on the lines suggested in the paper submitted to the Commission. As submitted, those proposals related only to animals which were sufficiently large for individual specimens to be mounted separately, and it would be necessary to provide for the case where, by reason of the small

EE

(Later reference: Paris Session, 7th Meeting, Conclusion 3)

6

(b

th Meeting, Paris, July, 1948. 185

size of the animals concerned, two or more specimens were mounted in a single preparation. Similarly, it would be necessary to provide not only (as in the proposal submitted) for species having separate sexual forms but also for species which did not have such forms.

~—

A Declaratory Article should be inserted in the Regles stating that type specimens of the categories now to be defined were the property of science. Such an Article would be of value in reminding the Owners of type specimens of the responsibilities incurred by such ownership.

(c) The categories of type specimens which it was

desirable should be recognised and defined in the Reégles were those which possessed a direct nomen- clatorial significance, namely holotypes, syntypes and lectotypes. It was not necessary to recognise paratypes, for, although paratypes were of great practical value in many ways, they possessed no nomenclatorial significance, since in any given case they came into existence only when a holotype was designated or a lectotype selected.

(d) It was to be hoped that after the introduction of

the scheme outlined above zoologists would abandon the use of the vague expression type ”.

(e) The question whether provision should be made for

(f)

the recognition in the Regles of the category “neo- type’ should be deferred until the Commission had had an Opportunity to consider the proposals submitted in Point (16) in Commission Paper 1.C.(48)12.

The provisions to be inserted in the Régles should cover type specimens of species, subspecies and infra-subspecific forms.

THE COMMISSION agreed to recommend :—

(1) that the inadequate provisions regarding type Specimens inserted in the Appendice in the second sentence of Section “A and between Sections

tol lands SOB, by the Ninth International Congress of Zoology at its meeting held at Monaco in 1913 should be deleted :

(2) that there should be added either a new Article or as additions to Article 31 -—

186 International Commission on Zoological Nomenclature.

(a) recognising and defining as follows the under-mentioned categories of type speci- mens :—

Category Definition of category.

Holotype .. The single specimen desig- nated or indicated as the type by the original author at the time of the publica- tion of the original descrip- tion.

Syntype .. One of a number of speci- mens of equal nomencla- torial rank which formed all or part of the material before the original author, in those cases where that author did not designate or indicate a holotype.

Lectotype .. A single specimen selected, subsequent to the publica- tion of the original descrip- tion, from a series of syn- types to be “the type”, such selection, in order to be effective, to be a selec- tion made known through being announced in a publication;

Y

making it clear for the purposes of (a) above that it is immaterial whether the specimen designated as the holotype or selected as the lectotype is a separately mounted specimen or is mounted with other specimens in a single preparation provided, in the latter case, that for this purpose a single specimen is distinguished in some appropriate manner from the other speci- mens included in the preparation.

Previous reference: = j i Paris Sesion, 6th (3) that the expressions recognised in (2) above be

Meeting, Conclusion substituted, as appropriate, for the expression a2) ‘type’, wherever that expression is used in the Regles in relation to a type specimen ;

(4) that a Declaratory Article should be inserted in the Reégles declaring that holotypes, syntypes and lectotypes are the property of science and should be so regarded by zoologists ;

6th Meeting, Paris, J uly, 1948. 187

(5) that the provisions specified in (2) to (4) should

(6

)

~

apply to the type specimens of all nominal forms belonging to the categories species, subspecies and infra-subspecific form ;

that a Recommandation should be added to the Declaratory Article specified in (4) above, strongly urging every author who publishes a description of, and gives a new name to, a species or who selects a lectotype from a series of syntypes of a species which had previously been described and named, to deposit the holotype or, as the case may be, the lectotype, of that Species in a museum or other institution where the specimen will be safely preserved and will be accessible for purposes of research ;

that the following Recommandations be inserted at appropriate points in the Régles :—

(a) a Recommandation strongly urging that every author who publishes a description of, and gives a new name to, a species should clearly designate a single specimen (of either but not both sexes, in the case of animals having separate sexes, and of one, but not more than one, developmental stage or form, in the case of species having distinct developmental stages or more than one form) to be the holotype of that species, and should indicate in the original des- cription (1) the full locality and other data on the label attached to that specimen, (2) in the case of animals having separate sexes, the sex of the specimen so selected, (3) in the case of a species having distinct developmental stages or more than one form, the stage or form to which the speci- men so selected is referable, (4) in the case of parasitic species, the name of the host species (5) the name of the collector by whom the specimen was obtained, (6) the collection in which the holotype is deposited and the collection number assigned to the specimen, (7) in the case of living terrestial species, the elevation in metres above

* sea level, and in the case of living marine species, the depth in metres below sea level, at which the holotype was taken and (8) in the case of fossil species, the estimated

188 International Commission on Zoological Nomenclature. geological age of the speciés, measured, if possible, by the number of metres by which the spot where the holotype was found lies above, or below, a_ well-established plane ;

(b) a Recommandation strongly urging that, where, in default of a holotype having been designated or indicated by the original author of a name, the same or another author later selects from a series of syntypes a specimen to be the lectotype, that author should observe the principles specified in the opening portion of the Recommandation set out in (a) above and, in publishing the selection so made, should give the particulars numbered (1) to (8) in the said, Recommandation ;

(c) a Recommandation strongly urging every author who :—

(i) publishes a description of, and gives a new name to, a species should affix to the specimen designated as the holotype a conspicuous label in- dicating that the said specimen has been so designated ;

(ii) in default of a holotype having been designated . or indicated by the original author, selects a lectotype from a series of syntypes, should affix to the specimen so selected to be the lectotype, a conspicuous label indicating that the specimen in question has been so selected ;

(8) that the Recommandations specified in (7) above should apply to the holotypes and _ lectotypes of subspecies and infra-subspecific forms in like manner as to those of species.

Consideration of

points (15) to (20) 76. On the proposal of the Acting President, THE

mc : « Paper LC.(48)12. | COMMISSION agreed :— postponed until the E : , f : Seventh Meeting of to defer until their next meeting (i.e. their Seventh the Commission Meeting) the consideration of the remaining Points during its Paris

Sraneon (Points (15) to (20) ) in Commission Paper I.C.(48)12.

————

6th Meeting, Paris, July, 1948. 189

Seventh and Eighth 77. THE ACTING PRESIDENT (MR. FRANCIS bese Sel per hil HEMMING) proposed that the Commission should meet its Paris Session: again that evening at 2030 hours for the purpose of date and time completing their consideration of Commission Paper apyeiatet I.C.(48)12 and of considering Commission Paper I.C.(48)14. On the following day, Friday, 23rd July, 1948, a meeting of the Commission would be held at 0900 hours, concurrently with the first meeting of the Section on Nomenclature.

THE COMMISSION took note of, and approved, the

~ above arrangements.

(The Commission thereupon adjourned at 1910 hours.)

( 190 )

INTERNATIONAL COMMISSION on ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth International Congress of Zoology,

Paris, 21st-27th July, 1948

CONCLUSIONS of the Seventh Meeting held at the Sorbonne in the Amphithéatre Louis-Liard on Thursday, 22nd July, 1948, at 2030 hours

PRESENT :

Mr. Francis Hemming (United Kingdom) (Acting President) Professor EK. Beltran (Mexico)

Professor H. Boschma (Netherlands)

Professor J. Chester Bradley (U.S.A.)

Professor L. di Caporiacco (Italy)

Professor Harold Kirby (U.S8.A.)

Mr. N. D. Riley (United Kingdom)

Professor V. van Straelen (Belgium)

Professor Robert L. Usinger (U.S.A.)

The following were also present :

Dr. E. A. Chapin (U.S.A.)

Dr. Ellsworth C. Dougherty (U.S.A.) Professor E. Raymond Hall (U.S.A.) Dr. Henning Lemche (Denmark)

Mrs. M. F. W. Hemming, Personal Assistant to the Secretary Miss J. H. Shorey, Acting Documents Officer

Terminology of 1. Before continuing their consideration of Commission

See Dae ail Paper 1.C.(48)12, THE COMMISSION reverted to the

“Recommandation” question of the terminology of type specimens, on which

they had reached certain conclusions shortly before the

(Previous reference: Close of their previous meeting. The point raised was

Paris Session, 6th concerned with the use of the expression Meeting, Conclusion

75)

ce

co-type.” On this the view was expressed that it was desirable to dis- courage the use of this expression, the meaning of which had now become ambiguous, in view of the fact that, while many authors used this expression in a sense identical with that of syntype,” there were numerous authors who used this expression as though it had the same meaning as the expression “paratype.” A Recommandation deprecating the use of this expression should be added to the Article enumerating the names of the categories of type specimens to be recognised for nomenclatorial purposes which it had been agreed to recommend should be inserted in the Regles.

Need for provision ~

for naming of nominotypical subspecies

( Previous reference: Paris Session, 6th Meeting, Conclusion 1(18) )

Neotypes : proposed recognition as a category of type specimens: Secretary to prepare comprehensive report on

VoL4 N

1th Meeting, Paris, July, 1948. 191

THE COMMISSION agreed to recommend :—

that there should be added to the new Article enumerat ing the categories of type specimens to be recognised for nomenclatorial purposes which, as agreed by the Commission at the Sixth Meeting of their Paris Session (Conclusion 75(2) ), was to be proposed for addition to the Régles, a Recommandation urging authors, in the interest of avoiding misunderstanding, to refrain from using the expression “‘ co-type.”

2. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) relating to the trivial name of the nominotypical subspecies of a species having two or more subspecies submitted in Point (15) in Commission Paper I.C.(48)12. It was pointed out that, although the Regles contained a provision (Article 9) regarding the name to be applied to the typical subgenus of a genus in which two or more subgenera are recognised, there was no provision relating to the parallel problem presented by the typical subspecies of a species having two or more subspecies (the nominotypical subspecies). This was an anomaly which should be corrected.

THE COMMISSION agreed to recommend :—

(1) that there should be inserted in the Régles a new Article making it obligatory to apply to the typical subspecies of a species having two or more subspecies (to be known as the nominotypical subspecies) the same trivial name as that of the species itself ;

bo ~~

that an appropriate reference to the new Article referred to in (1) above should be inserted in the provision to be inserted in the Reégles exempting the trivial name of the nominotypical subspecies from liability to rejection as a homonym of the trivial name of the species concerned.

3. THE* COMMISSION had under consideration a proposal for the recognition in the Régles of the category “neotype submitted by Dr. Don L. Frizzell and Dr. Harry K. Wheeler, the text of which had already been published in the Bulletin of Zoological Nomenclature (1945, Bull. zool. Nomencl. 1 ; 106-108) (file Z.N.(S.)24), together with a note on certain of the problems raised by this proposal by the Secretary to the Commission (see 1945, Bull. zool. Nomencl. 1: 108-111) and the suggestions as to the best approach to be made to this subject submitted in Point (16) in Commis- sion Paper I.C.(48)12.

192

International Commission on Zoological Nomenclature.

THE COMMISSION :—

(1) took note that there was considerable difference of opinion among zoologists regarding the desirability of inserting provisions in the Régles recognising the category neotype,”’ some workers, particularly in palaeontology, being strongly in favour of this course, while others were opposed to it on the ground that the recognition of this category would be likely to give rise to abuses (commercial and other) and to lead to greater confusion than uniformity ;

(2) agreed :— (a) that the proposal to recognise the category

““neotype raised complex problems which required much closer and more detailed study than had yet been given to them ;

(b) that, if the Congress were to be recommended

to recognise the category neotype,” it would be essential that the proposals so submitted should be comprehensive in character and should contain adequate safe- guards against the abuse of the new provisions by mercenary or irresponsible persons ;

that, in view both of the intrinsic diffi- culties involved in the proposed recognition of the category ‘“‘ neotype and of the wide differences of opinion on the subject which at present existed among zoologists, it was essential that further discussions should be held with interested groups of specialists before the Commission submitted any recommendation to the Congress for the amendment of the Régles to deal with this subject ;

(3) agreed to recomniend :— that the Secretary to the Commission should be invited to make-a thorough study, in con- junction with interested specialists, of the problems involved in the proposal that the category “neotype”’ should be recognised in the Régles and to submit a Report thereon, with recommendations, for consideration by the Commission at their meeting to be held during the next (XIVth) meeting of the Congress, with a view to the submission by the Commission of

Misuse of the

Regles” in a manner calculated to give political, religious or Personal offence : measures to prevent

VOL, 4

7th Meeting, Paris, July, 1948. 193

a considered statement of their views on this subject and, if they decided in favour of recommending that the foregoing category of type specimen should be recognised in the fegles, of a comprehensive scheme to that end.

4. THE COMMISSION had under consideration a proposal submitted by a large number of Brazilian zoo- logists that means should be found to provide against the tisk of the Régles being used for the purpose of giving personal offence, a misuse which it was alleged had recently occurred in their own country in a particular instance (file Z.N.(8.)348), together with proposals for dealing with the above problem submitted by the Secretary to the Com- mission in Point (17) in Commission Paper I.C.(48)12. The Secretary, while agreeing with the view expressed by the applicants that it was desirable that a provision should be inserted in the Reégles to deal with the misuse of the Regles in this way, suggested that this provision should be so drafted as to cover cases of the use of zoological nomen- clature in a manner calculated to give not only personal offence but also offence either on political or religious grounds. Legal advice might be needed in the application of the proposed provision,

THE COMMISSION

(1) agreed to place on record their strong disapproval of the use of the Régles in any manner calculated to give offence on political, religious or personal grounds ;

(2) agreed to recommend that there should be inserted in the fegles provisions to the following effect :—

(a) The use for a generic or subgeneric name or for the trivial name of a species, subspecies or infra-subspecific form of a word (whether simple or compound) which can reasonably be regarded, in any language, as calculated to give offence on political, religious or personal grounds is prohibited.

(b) No name published in contravention of the provisions of (a) above is to possess any status in zoological nomenclature

(c) It shall be open to any person or group of persons who is, or are, of the opinion that a given name has been published in contra- vention of the provisions of the present

194 International Commission on Zoological Nomenclature.

Article to refer the question to the Inter- national Commission on Zoological Nomen- clature, and it shall be the duty of the said Commission promptly to consider every case so submitted to it, and, if satisfied that the submission is well-grounded, to order the name concerned to be suppressed for all purposes, in accordance with the provisions of (b) above.

(d) The procedure to be followed by the Com- mission in considering applications sub- mitted under (c) above shall be governed by such regulations as the Commission may from time to time prescribe.

The Regles” : 5. THE COMMISSION had under consideration pro- pani hels ap posals (file Z.N.(S.)352) submitted by the Secretary in secure greater Points (18), (19) and (20) in Commission Paper I.C.(48)12, clarity and to for the improvement of the Régles by the insertion of certain

aaa ced minor drafting amendments designed to secure greater

undefined repetitive clarity or ‘to eliminate the unnecessary and _ therefore phrases misleading use of two or more undefined expressions to denote the same concept.

THE COMMISSION agreed to recommend :—

that, when the jurists were requested to embody in the Régles such amendments and other changes as “might be agreed upon by the present Congress, they should at the same time be requested to make such minor drafting changes as might be necessary :—

(a) to secure that in the mandatory portions of the Regles nouns should, for the sake of clarity, be used, wherever possible, in the singular number in preference to the plural number, thereby eliminating anomalies such as those presented by the wording at present employed in the opening phrase of Article 20 and in the corres- ponding phrase of Article 30 ;

(b) to remove verbal inconsistencies in drafting such as the indiscriminate use in Article 30 of the phrases “type species,” “‘ generic type’? and “type’’ to denote the same concept and the use in the same Article of the expression “publication” (in Rules (a) and (b)) and the expression “proposed ’’ (Rule (c) ) to denote exactly the same idea ;

Miscellaneous proposals for the amendment or clarification of the “Regles ”: second instalment

(Previous reference: Paris Session, 6th Meeting, Conclusion 60)

Article 8 (case of a generic name treated as a noun in the nominative singular but which was in fact a latinised version of a noun in another language in a case other than the nominative or a number other than the singular)

7th Meeting, Paris, July, 1948. 195

(c) to delete unnecessary and undefined repetitive expressions such as the expressions seu diagnosis; seu definition; sew condensed description ”’ used in Proviso (c)(1) to Article 25 as synonyms of the expression ‘‘ summary of characters ”’ and the expressions “‘ sew genotype ; seu autogenotype; seu orthotype” used in Proviso (c)(3) to the same Article as synonyms of the expression type species.”

6. THE COMMISSION had before them a memorandum by the Secretary (Commission Paper I.C.(48)14) containing a second instalment of miscellaneous proposals received from various sources for the amendment or clarification of the Régles. For convenience of reference these proposals, which were twelve in number, had been numbered con- secutively with the proposals brought forward in the paper containing the first instalment (Commission Paper I.C.(48)12). The present proposals were therefore numbered (21) to (32). 7

THE COMMISSION agreed :—

to examine Commission Paper I.C.(48)14, point by point, for the purpose of reaching conclusions regarding the recommendations to be submitted on the questions raised therein.

7. THE ‘COMMISSION had under consideration a proposal submitted by Commissioner H. Boschma designed to secure the incorporation in Article 8 of a provision to cover the case of a generic name which, though published by its original author as a noun substantive in the nomina- tive singular, was in fact a latinised version of a word in some other language, where the word so used was in some case other than the nominative or some number other than the singular (file Z.N.(S.)223), together with a note on the same subject, submitted in Point (21) in Commission Paper I.C.(48)14.

It was explained that the kind of case here contemplated was that presented by the generic name Potamon Savigny, 1816, which, though published by its original author as a noun substantive in the nominative singular, was in fact a latinised version of the Greek word Llorapwv, i.e., of the genitive plural of the Greek noun Iorapos, having thus the meaning of rivers.’”” It would be unreasonable to reject a generic name formed in this way on the ground that it had not been published in the nominative singular. If such rejection were to be avoided, it would be necessary to

196 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session, 6th Meeting, Conclusion 12)

Article 14 (addition of a Recom-~ mandation urging authors to avoid

insert a saving clause in Article 8, in view of the decision already taken tKat the substance of the interpretation of Article 8 given in fcc 183 should be incorporated in that Article.

THE COMMISSION agreed to recommend :—

that there should be added to Article 8 of the Regles, when amended in the manner agreed upon at the Sixth Meeting of the Commission during their present Session (Paris Session, 6th Meeting, Conclusion 12), a Proviso making it clear that a generic name which was treated by its original author as a latinised noun in the nominative singular is not to be rejected as invalid on the sole ground that it consists of a latinised version of a word or combination of words belonging to any language other than Latin, the word or words as so used being, prior to latinisation, in some case other than the nominative or some number other than the singular or in both case and number other than the nominative singular.

8. THE COMMISSION had under consideration a proposal submitted by Professor Pierre Bonnet (France) that a Recommandation should be added to Article 14 urging

giving as new trivial authors not to select for the trivial names of species and

names words already so used in allied groups)

subspecies words already published as the names of species or subspecies in allied groups and indicating the criteria recommended to be followed by authors in this matter (file Z.N.(S.)352), together with a note on the foregoing proposal submitted by the Secretary in Point (22) in Commission Paper I.C.(48)14.

There was general agreement that the selection as new trivial names of such words as vulgaris, domesticus, niger, silvestris, etc., was liable to give rise to confusion when those names had already been published as the trivial names of species and subspecies in allied groups, even when the words could properly be used in this way in the sense that such employment did not involve a breach of the Law of Homonymy. It was felt, however, that no advantage would be served by attempting to specify in the proposed Recommandation the exact limits within which the publica- tion of trivial names already published for species and subspecies in allied groups should be avoided.

THE COMMISSION agreed to recommend :—

that there should be added to Article 14 a Recom- mandation urging authors when selecting trivial names for new species or subspecies or when selecting such

Article 15 (proposed redrafting of, to eliminate the existing option to link by hyphens the components of a trivial name consisting of a compound word)

ith Meeting, Paris, July, 1948. 197

names as substitutes for names which are invalid under the Law of Homonymy, to refrain from selecting words already published as the trivial names of species or subspecies occurring in any part of the world, where the species concerned are referred to genera allied to that to which the species or subspecies to be named is assigned.

9. THE COMMISSION had under consideration a proposal submitted by Professor Pierre Bonnet (France) that Article 15 should be re-drafted in such a way as to eliminate the option contained in this Article in its present form, under which it is legitimate to use as the trivial name of a species or subspecies a combination of words linked together by a hyphen (file Z.N .(S.)352), together with a note on the foregoing proposal submitted by the Secretary in Point (23) in Commission Paper I.C.(48)14.

The object of Professor Bonnet’s proposal was not to prohibit the use of combinations of words as the trivial names of species and subspecies, but to secure that, when names were formed in this way, the two words forming the combination should be written as one and should not be linked together merely by a hyphen. It was generally felt that the object sought was desirable but that, in the form in which it was actually submitted, the proposal was too far-reaching : there were certain trivial names which were deliberately designed to show that the species so named possessed a distinguishing mark in the form of a letter (e.g. the trivial name c-album published by Linnaeus as Papilio c-album in 1758, for a butterfly which was distinguished by having on the under-side of the hindwing a white mark in the form of the letter “c”). It would clearly be undesirable to require that this name should be printed as calbum”? instead of c-album.” It was suggested also that the present opportunity should be taken to make it clear that, where a binominal author introduces a new trivial name consisting of a compound word and that trivial name, on being first published, is incorrectly printed as though it consisted of two words, it is not on that account to be rejected but is to be corrected by later authors in the same Way as names incorrectly formed under Articles 14-16, 18 or 20. For example the trivial name nove hispaniae published by Gmelin in 1789 for a species of Coluber should not be rejected but should be corrected to novaehispaniae.

THE COMMISSION agreed to recommend :—

(1) that words should be inserted in Article 15 to make it clear that, where a trivial name is formed from a combination of words, those words are to be

198 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session, 4th Meeting, Conclusion 5)

Article 15 (ortho- graphy of com- pound trivial names, where the first part of the compound consists of a number)

treated as constituting a single word and are not to be merely united together by a hyphen, save that, where a trivial name has been formed for the purpose of indicating that the taxonomic unit concerned is distinguished from other such units by a mark having the form of a letter of the Latin alphabet (for example, a name such as c-album), the letter of the alphabet forming the first portion of the name is to be separated from the remaining portion of the name by the interposition of a hyphen ;

that either in Article 15 or elsewhere in the Régles as may be found appropriate there should be inserted words to make it clear that, where an author who in the book or paper concerned has duly applied the principles of binominal nomencla- ture, as required by proviso (b) to Article 25, publishes a trivial name consisting of a compound word, which, on being so first published, is printed as though it consisted of two separate words (for example the trivial name novae hispaniae Gmelin, 1789), that name is not on that account to be rejected but is to be treated as though it had been duly published as a single compound word (e.g. novaehispaniae) ;

_— bo ~

(3) that, where a trivial name is published in a manner which contravenes either (1) or (2) above, that name is automatically to be corrected by subse- quent authors, and shall rank for purposes of priority as from the original author and date of publication in accordance with the provision relating to the correction of names published in contravention of Articles 14-16, 18 and 20 agreed upon at the meeting noted in the margin.

10. In the course of the discussion on the item recorded in the preceding conclusion, the attention of the Com- mission was drawn to the anomalous position which existed in the case of the trivial names of species where the name was a compound name and the first part was a number. There were many such names, for the presence of a specified number of markings of a given kind often constituted a good diagnostic character. Such names were often formed in combination with adjectives such as guttatus, signatus, etc. In some cases the number forming the first part of the name was indicated by its Latin name, while in other cases it was often indicated by the Arabic numerical sign appropriate © for the number in question. Thus, the same name

th Meeting, Paris, July, 1948. 199

might sometimes appear as “‘ quattuor-guttatus” (or quattuorguttatus ”’) or as 4-guttatus.” The view was expressed that, as zoological nomenclature consisted of a system in which Latin words were used in particular ways and not of a system of numerals, it was wrong in principle to employ as a trivial name a hybrid designation such as “‘ 4-guttatus,”’ which consisted partly of a numeral and partly of a word. Quite apart from this important theoretical objection, there were also important practical objections to the use of names formed in the oregoing manner. Names so formed, were, for example, a source of difficulty to those zoologists who possessed no knowledge of the Latin language: they led to errors and inconsistencies in the alphabetisation of trivial names and, in extreme cases, were responsible, in conversation, for such verbal monstrosities as “‘ fowr-guttatus,” eleven-signatus,” etc. Moreover, the use of names written in this way led to difficulties in the application both of the Law of Priority and of the Law of Homonymy. For example, there were cases of trivial names originally published as say 4-maculatus of which the numeral had sometimes been (correctly) transliterated as a cardinal number (i.e. as quattuor), while at other times it had been treated as an ordinal number, the form “‘ quadri-”’ being adopted. THE COMMISSION agreed to recommend :— that there should be inserted in the Régles, either in Article 15 or elsewhere, a provision or provisions making it clear :— (a) that, where the trivial name selected for a species, subspecies or infra-subspecific form is a compound word, constructed so as to indicate that the taxonomic unit concerned may be recognised by a specified number of character- istics or by the presence of a specified number of examples of a given characteristic and the first portion of the name is intended to denote the number of characteristics in question or the number of examples of a given characteristic in question, as the case may be, that portion of the name is to be indicated by the Latin word representing the cardinal number concerned (as, for example, quattuorguttatus ’’) and is not to be indicated by a numeral (as, for example, 4-guttatus ’’) ; that, where a trivial name of the kind specified in (a) above has been, or is, published with the first part of the name indicated by a numeral instead of by a word indicating the cardinal number concerned :—

(b

~

200 International Commission on Zoological Nomenclature.

(Previous reference : Paris Session, 4th Meeting, Conclusion 5)

Article 14 (clarification of provisions relating to the formation of trivial names based upon the names of persons)

(i) the name in question is automatically

. to be corrected by subsequent authors, the two words of which such a name, when so corrected, is composed being printed as a single word and not united merely by a hyphen ; and

(ii) the name so corrected is to rank for the purposes of the Law of Priority and the Law of Homonymy as from the date on which it was originally published in the incorrect form and is to be attributed to the author by whom it was so published, in like manner as trivial names when cor- rected to comply with the provisions of Articles 14-16, 18 or 20.

11. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) suggested that at this point the Commission should consider a proposal (file Z.N.(S.)352) submitted by Professor Pierre Bonnet (France) for the clarification of the provisions in Article 14 relating to the formation of trivial names in those cases where it was desired to give honour to some person by using his or her name as the basis of the trivial name. As all systematic workers knew from experience, the existing portion of Article 14 dealing with this matter was both badly worded and also incomplete. The proposals submitted by Professor Bonnet could be - summarised as follows :—

(a) Trivial names in the genitive case which are based (1) upon the names of personages of antiquity or (2) upon the prénoms (as contrasted with the surnames) of modern personages, whether living or dead, should follow the rules of Latin declension in those cases where the names in question were of Latin origin ;

(b) Trivial names based on the surnames of modern per- sonages, whether living or dead, including surnames derived from words of Latin origin, should, subject to the exceptions noted in (c), (d) and (e) below, consist, as at present, of the exact surname of the person concerned to which should be added the . appropriate termination in the genitive case, the terminations in question being :—

(i) the termination -2 where the trivial name is based on the name of a man;

Tth Meeting, Paris, July, 1948. 201

(ii) the termination -ae where the trivial name is based on the name of a woman ;

(iii) the termination “-orwm” where the trivial name is based on the name of two or more men, each having the same surname ;

>

(iv) the termination -arum” where the trivial name is based on the names of two or more women, each having the same surname ;

(c) Where a trivial name is based upon the name of a modern personage and that personage is a woman whose surname ends in the letter “a’’, the trivial name based thereon should be formed by substituting the termination -ae”’ for the termination -a ;

(d) Where a trivial name is based upon the surname of any of the following modern personages, that name should be formed as follows :—

Modern surname Trivial name based on surname in column (1) (1) (2) Linnaeus or Linné ~— Linnaei_ (not linnaeusi or linnet) Fabricius fabrict (not fabriciust) Poda podae (not podat)

(e) Where a trivial name is based upon the surname of a modern personage and that surname ends with the letter ““q”, the letter “u” is to be inserted im- mediately after the letter “‘q” and before the appropriate genitival termination ; :

(f) Where a trivial name is based upon the surname of a modern personage and that surname is preceded by a nobiliar particle (e.g. the particle “de,” “di,” “von,” etc.), that particle is to be omitted when forming the trivial name in question (the correct form for a trivial name based, for example, upon the modern surname “de Lessert thus being lesserti not delesserti), save in those cases :—

(i) where the particle is actually attached to the modern surname in question (as in the case of the surname Dujardin ’’) or where, by long

' custom, it forms an integral portion of the surname (as in the case of the surname De - Geer”), in either of which cases the particle is to be retained when forming a trivial name based upon the surname in question (the correct form for trivial names based upon the

202

International Commission on Zoological Nomenclature.

modern surnames cited in the foregoing examples being in the first case dwardint (not jardini) and in the second case degeert (not geert) 5

(ii) where the particle consists either of the letters “Mac or “‘ Mc” or the letter ‘“‘ O followed, in the latter case, by an apostrophe, in either of which cases the particle and, in the second case, the apostrophe also, is to be retained when forming a trivial name based upon the surname in question, the first letter of the portion of the surname following the particle being written with a small letter (trivial names based upon the modern surnames MacCook and O’Connor thus taking the forms maccooki and o’connori respectively) ;

(g) Where a trivial name is based upon a modern

surname commencing with the particle Mc,” the letter ‘“‘a’’ should be inserted between the letter ““m” and the letter “c”’ ;

(h) Where a trivial name is based upon a modern French

surname and that surname is preceded by the definite article (“ le,” “la” or “les ’’) (as in the case of the surname “‘ Le Sueur’’), the definite article is to be incorporated in the trivial name (the correct form of trivial name in the example cited above thus being lesueuri, not sueurt) ;

Where a trivial name is based upon a modern French surname and that name is preceded first by the particle “‘de’’ and second by the definite article “la”, the definite article is to be incorporated in the trivial name but not the particle de (the correct form for a trivial name based on the surname “de la Roche” thus being larochei not delarocher);

Where a trivial name is based upon the surname of a modern personage and that surname consists of two surnames linked together by a hyphen, one only of the two names in question should be selected when forming the trivial name in question, preference being given to the better known of the two surnames in question (for example, in forming a trivial name based on the surname of the French naturalist Guérin-Méneville, preference should normally be given to the name Guérin, by which this naturalist was commonly known, rather than to Méneville, the trivial name formed being thus guérini, though the trivial name ménevillet would also be permissible)

Tth Meeting, Paris, July, 1948. 203

(k) Where a trivial name is based upon the name of a Christian Saint, the qualifying adjective (Saint, Sainte, Sancti, Sancto, San, etc.) should be excluded from the trivial name, a trivial name based upon the name of Saint Remy thus taking the form remy?).

In the discussion which ensued the following points were made :—

(i)

(ii)

(iii)

Proposal (a): The first part of this proposal dealt with a matter which was already covered by Article 14, though only inferentially, and it was certainly desirable that an express provision should be inserted to deal with it. The second part of this proposal dealt with a matter on which the Régles were at present silent. It was certainly a defect that no distinction should be made in Article 14 between prénoms”’ on the one hand and surnames on the other in the case of names of modern personages where those names were selected to form the basis of a trivial name. The proposal submitted was desirable and should be accepted. It would be necessary for the new Article to deal separately. with names of Latin and Greek origin and to provide that the latter should follow the rules of Greek declension.

Proposal (b): This proposal was in the main a restatement of the existing provision in Article 14. It was however an improvement on the existing text, both because it made it clear that the provisions in question applied only to the sur- names of modern personages and also because it gave clearer and more precise directions regarding the terminations to be attached to the end of a modern surname, when it was decided to use that surname as the basis of a trivial name formed in the genitive case. It was pointed out, however, that there was one situation which had not been covered, namely where it was desired to form a trivial name based upon the surname of two or more persons and those persons were of different sex. Clearly, in such a case the normal rule of Latin grammar should be applied and the termination to be selected should be in the masculine gender. This should be made clear when Article 14 is redrafted.

Proposal (c) : The question raisedin this proposal required consideration, for although the addition of the “‘ -ae” to a feminine name which ended in

International Commission on Zoological Nomenclature.

(v

(vi

the letter “‘a’’ was both inharmonious and ano- malous, it was felt that further study of the implications of the proposal was desirable before a recommendation on-this subject was submitted to the Congress.

Proposal (d): This proposal was warmly wel- comed, it being felt that it would be absurd to insist that a trivial name based upon the name of Linnaeus should take the form linnaeusi, though, as the name Linnaeus was a modern surname, this was what was required by the existing provisions of Article 14. It was obvious that special provision would need to be made for exceptional cases of this kind. It was likely that experience would show the need for adding to the list of exceptions in this matter.

Proposal (e): This proposal was also warmly welcomed. It was a barbarism, in any system of nomenclature which purported to use the Latin language to permit the existence of words in which the letter ““q” was followed by any letter other than the letter “u”’. The fact that this matter was not dealt with in the existing text of the Régles was no doubt due to inadver- tence on the part of the original draftsmen.

Proposal (f): A long discussion took place on the first part of this proposal. It was agreed that in principle the proposal was well founded but the evidence brought forward showed that in some languages (for example, in Italian) it would be impossible in practice to apply a provision of the kind suggested. The second part of this proposal met with general approval.

(vii) Proposal (g): It was considered that, although

logical, this proposal was misconceived, for it was explained that it was often no matter of accident whether a surname of the classin question started with the letters “Mac” or “Mc”. It was agreed however that it should be made clear at an appropriate point in the Régles that, where the foregoing was the only difference in spelling between two surnames, the publication of a trivial name based upon one such name (say, the trivial name maccooki based upon the sur- name MacCook) would render invalid as a homo- nym a later published trivial name based upon the other surname (e.g. a name mccooki based

7th Meeting, Paris, July, 1948. 205

upon the name McCook would in such circum- stances be invalid).

(viii) Proposal (h) : General agreement was expressed with this proposal. It should be extended to cover modern surnames of French origin as well as modern French surnames.

(ix) Proposal (i): It was felt that further study of the probable effects of a rule of the kind proposed was desirable before a proposal thereon was submitted to the Congress.

(x) Proposal (j): This proposal was logical but it was considered that in this case also further study was required before a proposal was sub- mitted to the Congress. It would be necessary to co-ordinate any provision on the lines sug- gested with the existing provisions relating to the formation of trivial names based upon the names of places. It would probably be found that, while there were many trivial names based upon the names of places (e.g. St. Helena), the first portion of which, when Latinised, started with the adjective sanctus or sancta (as in Sancta Helena), the number of trivial names actually selected for the purpose of honouring Saints was very small.

THE COMMISSION :— (1) agreed to recommend that Article 14 should be redrafted to such extent as might be necessary

to provide :—

(a) that a trivial name formed in the genitive case which is based either (i) upon the name of a personage of Classical Antiquity (in- cluding gods, goddesses and mythological characters) or (ii) upona “prénom” (i.e. any name borne by a person in addition to his or her surname) of a modern personage, whether living or dead, in any case where that first name is of Latin or Greek origin, should follow the rules of Latin declension in the case of a name of Latin origin and the rules of Greek declension in the case of a name of Greek origin ;

(b) that a trivial name based upon the surname of a modern personage, whether living or dead, including a trivial name based upon a surname of Latin or Greek origin, should, subject to the provisions of (c) and (d)

206

International Commission on Zoological Nomenclature.

below, consist of the exact surname of the person concerned, to which should be added the appropriate termination in the genitive case, that is to say :—

(i) in the case of a trivial name based on the surname of a man, the ter- mination -1”’ ;

(ii) in the case of a trivial name based on the surname of a woman, the ter- mination “‘ -ae”’ ;

(ii) in the case of a trivial name based on the surname of two or more persons having the same surname, where one or*more of the persons is a man, the termination ‘“‘ -orum ”’ ;

(iv) in the case of a trivial name based on the surname of two or more persons having the same surname, where all the persons concerned are women, the termination “‘ -arum ;

(c) that, where a trivial name is based upon the

(d)

~—

surname of any of the undermentioned modern personages, that name should be formed as follows :—

Surname of modern Trivial name based

personage on surname specified in Column (1) (1) (2) Linnaeus (Linné) —_ linnae? (not linnaeusi or linnet) Fabricius fabrictt (not fabriciust) Poda podae (not podaz)

that, where a trivial name is based upon the surname of a modern personage and that surname ends with the letter “q”’, the letter ““u”’ is to be inserted between the letter “q’”’ and the appropriate genitival termination ;

that, where a trivial name is based upon the surname of a modern personage and the first portion of that surname consists either (i), of the particle “Mac” or “Me” or (ii) of a particle composed of the letter O followed by an apostrophe, the particle, in the first case, and the particle and the

7th Meeting, Paris, July, 1948. 207

apostrophe in the second case, is to be retained in the trivial name, the first letter of the remaining portion of the surname being written with a small letter, trivial names based, for example, on the modern surnames MacCook” and O’Connor % thus taking the form of maccooki and o’con- nori respectively ;

(f) that, where a trivial name is based upon a modern French surname or upon a modern surname of French origin and that surname is preceded by the definite article (“le”, “Ja”, or “les’’). (as in the surname, “Te Sueur”), the definite article is to be incorporated in the trivial name (the correct form of a trivial name based on the surname cited in the foregoing example thus being lesueurt not sueurt) ;

(2) agreed to postpone for further consideration the undermentioned proposals :—

(a) that, where a trivial name is based upon the surname of a modern personage and that personage is a woman whose surname ends in the letter “‘a”’, the trivial name so based should be formed by substituting the termination “-ae” for the existing termina-

fou as

(b

~—

that, where a trivial name is based upon a modern French surname or upon a modern surname of French origin and that surname is preceded first by the particle “de” and second by the definite article ee the definite article is to be incorporated ‘n the trivial name but not the particle “de”, the correct form of a trivial name based, for example, on the French surname “De la Roche” thus being larocher not delarochet ;

- (c) that, where a trivial name is based upon the name of a Christian Saint, the qualifying adjective sanctus should be omitted from the trivial name, the correct form of a trivial name based, for example, on the name of St. Remy thus being remyt;

(3) agreed to reject the undermentioned proposals :—

(a) that, where a trivial name is based upon the surname of a modern personage and that

VOL. 4 0

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International Commission on Zoological Nomenclature.

surname is preceded by a nobiliar particle (e.g. the particle “de”, “di”, “von”, etc.), that particle is to be omitted when forming the trivial name (the correct form of a trivial name based, for example, on the modern surname “de Lessert”’ thus being lesserti not delesserti), save in those cases where the particle is actually attached to the modern surname in question (as, for example, in the case of the surname “Dujardin ”’) or, where, by long custom, it forms an integral portion of the surname (as, for example, in the case of the surname “De Geer ’’), in either of which cases the particle is to be retained when forming a trivial based thereon, the correct form for trivial names based, for example, on the modern surnames cited above being in the first case dwjardini (not jardin) and in the second case degeeri (not geert) ;

(b) that, where a trivial name is based upon the surname of a modern personage which commences with the particle “Mc”, the letter ‘“‘a’’ should be inserted between the letter “‘m”’ and the letter “c”’;

(4) agreed to recommend that provision should be

made in the Article which was to replace the existing Article 35 to secure that, where a trivial name is based upon the surname of a modern personage, the first part of which con- sists of the particle “Mac” or “‘ Mc”, as the case may be, the trivial name so formed is to be rejected as a homonym if there is a species or subspecies which was either originally described, or is now placed, in the same genus, which is based upon the surname of another modern personage which is identical with the surname on which the later published trivial name is based, save that the first part of the surname consists, as the case may be, of the particle “Mc” or the particle ‘‘ Mac” and that a corresponding addition should be made to Article 34 in relation to generic names so formed ;

(5) agreed to recommend that a Recommandation

should be added to Article 15, urging any author, when proposing to publish a trivial name based upon the surname of a modern personage, whose surname is a compound name consisting

Seventeen Propositions submitted by Professor Pierre

Bonnet (France) :

review of position regarding

VOL. 4 0?

7th Meeting, Paris, July, 1948. 209

of two surnames, whether or not, linked together by a hyphen, to give serious con- sideration, in the interests of brevity in nomen- clature, to the possibility of basing the trivial hame upon one only of the two surnames of which the compound surname is composed, and, if this course is found to be feasible, to give preference to whichever is the better known of the surnames in question (for example, if it were decided to base a trivial name upon the surname ** Guérin-Méneville but to make use for this purpose of one only of the surnames of which that compound surname is com- posed, preference should be given to the name “-Guérin’’ by which this French naturalist was commonly known rather than to the name * Méneville”, the trivial name selected being thus guérini, though the trivial name ménevillet would in such a case also be permissible. )

12. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) suggested that it would be convenient if at this stage the Commission were to review the position reached in regard to the propositions, seventeen in number, which had been submitted to them by Professor Pierre Bonnet (France) for consideration, if possible, during the present (Paris) Session. The propositions in question! were concerned with the following matters :—

(1) the question whether the names published in Clerck’s Aranei svecici should be made available for nomenclatorial purposes, notwithstanding the fact that they were published in 1757, i.e. before the starting point of zoological nomenclature as pre- scribed in Article 26 of the Regles (file Z.N. (S.) 238) ;

(2) the insertion in the Regles of a provision recognising a Law of Prescription which would prevent the Law of Priority from upsetting well-established names in favour of names which had long been forgotten (file Z.N. (S.) 359) ;

the partial suspension of the Law of Homonymy for the purpose of protecting well-established generic names (file Z.N. (S.) 359) ;

(4) the deletion from Article 13 of the option to use a capital when writing the first letter of certain trivial names (file Z.N. (S.) 352) ;

(3

~~

? For the text of Professor Bonnet’s propositions, see 1950 , Bull. Zool. Nomencl. 1: 171-199,

210

International Commission on Zoological Nomenclature.

(5) the insertion in Articles 14 and 15 of provisions designed to remove certain ambiguities and to fill in certain gaps (file Z.N. (8.) 352) ;

(6) the insertion of a Recommandation in Article 11, urging authors not to publish trivial names consist- ing of words already used as such for species in allied genera, families or Orders (file Z.N. (S.) 352) ;

(7) the deletion from Article 15 of the option to use a hyphen joining together the two parts of a com- pound trivial name (file Z.N. (S. 352) ;

(8) the insertion of three new Articles dealing with the formation of compound trivial names (file Z.N. (S.) 390) ;

(9) the agreement of trivial names, when adjectives,

with the gender of the generic names with which they combined (file Z.N. (8.) 352) ;

(10) the insertion in the Reégles of a new Article dealing with polymorphism of certain words used as trivial names (file Z.N. (S.) 356) ;

(11) the need for co-ordination of the provisions of Articles 19 and 32 of the eégles (file Z.N. (S8.) 352) ;

(12) the need for avoiding the selection, as names, of words which were either inharmonious or unduly long or which carried a bizarre meaning (files Z.N. (S.) 297 and 352) ;

(13) the amendment and clarification of Article 22 (file Z.N. (S.) 352) ;

(14) the deletion from Article 14 of the obsolete Recommandation relating to the abbreviation of authors’ names (file Z.N. (8.) 352) ;

(15) the addition to Article 14 of a provision relating to the formation of adjectival trivial names having a geographical meaning and ending in the termination “-ensis”’ (file Z.N. (8.) 391) ;

(16) the modification of the Recommandation to Article 20 of the Regles (file Z.N. (S.) 392) ;

(17) a minor amendment. of the document which at present figures as Section “F” of the Appendice to the Regles (file Z.N. (S.) 393).

Continuing, the Acting President said that, in view of the importance of, and the wide interest taken in, Professor Bonnet’s Proposition 1, he proposed in his capacity as President of the Section, to call upon Professor Bonnet to make a statement on Clerck’s Arachnid names at an early meeting of the Section. He further proposed that, in the

7th Meeting, Paris, July, 1948. 211

light of the general discussion so afforded, the Commission should consider this proposal in detail at a later meeting during the present Session. Professor Bonnet’s Propositions 2 and 3 were closely related to one another and could be conveniently considered together with the proposal on the same subject which stood in the name of Dr. Henning Lemche (Denmark). These three proposals would, therefore, be considered in the first instance at a meeting of the Section on Nomenclature, after which the Commission would be asked to formulate recommendations for the approval of the Section. The Commission had already taken decisions on the issues raised in Professor Bonnet’s Propositions 4 and 14 and on the first and third parts of his Proposition 12, when they had had Paper I.C.(48) 11 under consideration, while Propositions 5, 6, and 7 and been dealt with at the present meeting. He (the Acting President) proposed to deal, in papers shortly to be circulated in the I.C.(48) series, with Professor Bonnet’s Propositions 9, 11, 13, and the second part of his Proposition 12. He suggested therefore that the consideration of these Propositions should be deferred until the relevant I.C.(48) papers were available. The subject dealt with in Professor Bonnet’s Proposition 10 was closely connected with the general problem raised by Article 19 and he (the Acting President) suggested therefore that the subject raised by Professor Bonnet in this Proposition should be referred to the general study of Article 19 which, when considering Paper I.C.(48)11, the Commission had agreed should be undertaken by the Secretary to the Commission before the next meeting of the Congress. The Acting President suggested that the consideration of the remaining Propositions submitted) by Professor Bonnet (namely Propositions 8 and 15-17) should be deferred until after the close of the present Congress.

THE COMMISSION agreed :—

as regards the 17 propositions submitted by Professor ‘Pierre Bonnet :—

(a) that, in view of the decisions already taken, no further action was called for as regards the propositions numbered 4 to 7 and 14 and the first and third parts of the proposition num- bered 12 ;

(b) that, having regard to the close connection between the subject dealt with in the proposi- tion numbered: 10 and the general problem

yd - raised by Article 19, the question raised in (Previous reference: 86i that proposition should be included among the Paris Session, 6th eat : : : :

Meeting, Conan - questions ‘to be studied in the examination

15) pike of Article 19 which it had been agreed at the

bo bo

Article 18 (nomenclature of hybrids): drafting amendments (Previous reference : Lisbon Session,

4th Meeting, Conclusion 5)

International Commission on Zoological Nomenclature.

meeting noted in the margin should be under- taken by the Secretary to the Commission with a view to the consideration of the whole matter during the next (XIVth) meeting of the Congress ;

(c) that the propositions numbered 1 to 3, 9, 11 and 13, together with the second part of the pro- position numbered 12, should be considered at later meetings during the present Session in the manner proposed by the Acting President ;

(d) that the consideration of the propositions numbered 8 and 15 to 17 should be deferred until after the close of the present Session of meetings.

13. THE COMMISSION had under consideration a proposal (file Z.N. (S.) 21) for the insertion of certain drafting amendments in the provisions of Article 18, relating to the nomenclature of hybrids submitted by Dr. Hans Bytinsky-Salz (Rovigno d’Istria), together with a note thereon submitted by the Secretary in Point (24) of Com- mission Paper I.C.(48)14.

It was explained that the sole object of this proposal was to eliminate certain drafting defects in the existing - text of Article 18 of the Régles. This proposal which had been published in 1933 (Int. Ent. Z.27: 153-162) had been received by the Commission later in the same year. It was unfortunate that they had not found it possible to deal with this application at their meeting held in Lisbon in 1935. It should be made clear also that a specific name given under Article 18(d) was subject to all the provisions governing specific names.

THE COMMISSION agreed to recommend :—

that Article 18 of the Régles should be amended in the manner indicated below :—

(a) Section (a), at end add:—‘‘In the case of a hybrid between two species belonging to the same genus, the trivial names of the two parents united by the sign of multiplication may be placed in round brackets (parentheses) and cited immediately after the name of the common genus. Example: Tetrao (tetrix x urogallus).”

(b) Section (b), at end:—Substitute the words ‘‘ who first published a description of the hybrid as such” for the words who first recognised the hybrid torm as such”;

Names published either anony- mously or over initials only : status under the Law of Priority

Tth Meeting, Paris, July, 1948. 213

(c) Section (ec), after the example at present cited: add the words :— Tetrao tetrix or —————————-_ x Gallus gallus” Tetrao urogallus

ce

(d

~—

Section (d), at the beginning :—Substitute the words ‘“‘ When the identity of either of the parents of a hybrid is not incontestably established both as to species and sex” for the words when the parents of a hybrid are not known as such” and after the words specific name” add the words: “a name so given being subject to all the provisions governing specific names.”

14. THE COMMISSION had under consideration the status of names (generic and trivial) published either anonymously or over initials only (file Z.N. (S.) 84) and in this connection had before them a note submitted by the Secretary in Point (25) in Commission Paper I.C.(48)14.

It was clearly most undesirable that new names should be published either anonymously or over initials only, for the publication of a name in this way made it difficult for later authors clearly to cite that name. On the other hand there was nothing in the existing text of Article 25 (Law of Priority) to suggest, still less to prescribe, that a name published in this way forfeited the rights which it would otherwise have possessed under the Law of Priority. It was suggested that Article 25 should be amended to secure that in future a name so published should have no rights under the Law of Priority until such later date as it was republished by an author whose name was stated in the paper in which the name was so re-published. It was felt, however, that it would not be practicable or desirable to give retroactive effect to this provision, for in the older literature there was a number of important books which had been published anonymously. One example of such a book was the celebrated work on the Lepidoptera of Europe, commonly known as the Vienna Catalogue’ which was published anonymously in 1775 by (as was now known) the two Viennese priests Schiffermiiller and Denis. If this book were to be ruled out for the purposes of the Law of Priority, numerous well-known names would cease to be available, the type localities of many other species would have to be changed and great confusion would ensue. It was accordingly proposed that the new provision ruling out for availability names until they-had been published in a work, in which the author’s name was given should come into effect as from the same future date as that selected as

214 International Commission on Zoological Nomenclature.

the date on which other new provisions now proposed to be

inserted in the

Régles should become operative.

THE COMMISSION agreed to recommend :—

(1) that Article 25 should be amended in such a way as to make it clear :—

(a) that, when, prior to midnight Greenwich

(b)

(c)

Mean Time, 31st December 1950/1st Janu- ary 1951, a name belonging to a category, to which Article 25 applies, is published anonymously, over a pseudonym or over initials only, that name, notwithstanding its having been so published, is to be accepted as having availability under Article 25, provided that its manner of

-publication satisfies the requirements speci-

fied in that Article ; :

that, when, subsequent to the point of time specified in (a) above, a name belonging to a category, to which Article 25 applies, is published anonymously, over a pseudonym or over initials only, that name is to have no availability under Article 25 until such later date as it is re-published by the same or some other author in a book or paper in which that author’s name is given ;

that the fact of re-publication by a named author shall be sufficient to confer avail- ability upon the name in question for the

purposes of Article 25, provided either :—

(i) that the author by whom the name is republished complies, when so doing, with the requirements specified in Provisos (b) and (c) to Article 25, or

(ii) in cases where the foregoing require- ments had been duly complied with in the earlier book or paper in which the name had been published anony- mously, over a pseudonym or over initials only, that the author by whom the name is republished cites, when so doing, a_ bibliographical reference to the book or paper in which the name had _ previously been published anonymously, over a pseudonym or over initials only ;

(d) that, when a name originally published anonymously, over a pseudonym or over initials acquires availability under Article 25

7th Meeting, Paris, J uly, 1948, 215

through being republished in the manner specified in (c) above, that name shall rank for purposes of priority as from the date on which* it so acquired’ such availability and shall be attributed to the author of the book or paper, the publication of which conferred that availability upon the name in question ; (2) that a Recommandation should be inserted in the portion of Article 25 containing the provisions specified in (1) above, recommending authors, when citing a book or paper which was published anonymously, over a pseudonym or over initials only, but the author of which is known from other sources or when citing the name of a taxonomic unit published in such a book or paper prior to the date specified in (1)(a) above, to place square brackets round the name of the author of the book or paper concerned or, as the case may be, round the name of the author of the taxonomic unit cited, in order to indicate that the work or hame concerned had originally been published anonymously, over a pseudonym or over initials only ; (3) that a Recommandation should be added to the _ portion of Article 25 containing the provisions specified in (1) above recommending that every author, on validating a name previously published anonymously, over a pseudonym or over initials only by republishing that name in the manner specified in (1) above, should make it clear in the book or paper concerned that he is conferring availability upon the name in question and should notify the fact that availability under Article 25 has been so conferred upon the name in question to a literature-recording serial such as the Zoological Record” as soon as possible after the publication of the book or paper concerned, either by sending to that serial a marked copy of that book or paper or otherwise, so that the fact that the name in question has acquired availability under Article 25 may be recorded in the next issue of that serial . (4) that the provisions in (1) to (3) above should apply, mutatis mutandis to names formed under Article 4.

Article 25 15. THE COMMISSION had under consideration a Gaconine of = historical account of the deliberations of the Commission “divulgué dans une since 1910 on the question of the meaning to be attached publication ”) to the expression divulgué dans une publication ”’ as used

in Article 25, submitted by the Secretary to the Commission.

216

International Commission on Zoological Nomenclature.

together with proposals for action, in Point (26) in Com mission Paper I.C.(48)14.

The lack of an authoritative definition of what consti- tutes publication for the purposes of zoological nomenclature was a constant source of difficulty for zoologists, and the failure of the Commission adequately to grapple with this problem had led to much well-merited criticism. A start had been made in 1910 (in Opinion 15) and the matter had been carried a little further two years later when in 1912 Opinion 51 had been published. Nothing more was done in this matter until some years after the close of the war of 1914-18. In the late twenties, however, the subject was extensively discussed between the members of the Com- mission and in 1930 this subject (which by then had been given the reference number ‘“ 1930H ’’) was the subject of a tentative proposal which had shortly before been published by Dr. C. W. Stiles, then Secretary to the Commission (Trans. IV int. Congr. Entom. : 628-629). Though brought before the Commission at their meeting held in Padua in 1930, this matter was not discussed at that meeting. It was not even placed on the Agenda for the Lisbon meeting in 1935. Although the proposal put forward in 1930 had been shelved at that time, the proposal itself raised a number of valuable points to which careful consideration had been given during the recent re-examination of this subject. The correspondence which had led up to that proposal (file Z.N.(8.)84), though incomplete, had also proved of great interest.

The proposition laid down in 1910 (in Opinion 15) was that: ‘‘ Publication, in the sense of the Code, consists in the public issue of printed matter.” In 1912 (in Opinion 51) the Commission had re-stated the proposition enunciated two years earlier and had added: The qualifying word “public * in this definition indicates that the printed matter in question is not intended for special persons only or for a hmited time, but that it is given to the world, or used in the nature of a permanent record.” In the 36 years which had elapsed since the publication of the more recent of these Opinions, a development had occurred which had not been anticipated by the Commission, namely the publication—if it could properly be called publication ”—of new names in books and papers reproduced by some method (e.g. photographic and lithographic processes of various kinds, mimeographing and similar systems) other than printing. Some of these methods were extremely unsatisfactory but others attained a high degree of technical excellence. It would be unreasonable to accept new names appearing in papers reproduced by methods falling in the first of these

Tth Meeting, Paris, July, 1948. 217

classes, but it would be equally unreasonable to reject new names appearing in papers reproduced by methods falling in the second of these classes, some of the methods of repro- duction being fully as good as printing, the finished paper being indeed better than some papers reproduced by actual printing. The preliminary definitions given in 1910 and 1912 needed, therefore, to be reviewed from this point of view.

The proposals now submitted had been the subject of extensive consultations with specialists, both by corres- pondence and by personal] discussion notably during the visit paid by the Secretary to the United States and Canada at the end of 1947. These consultations had led to certain modifications of the proposals previously considered. For example, it was evident that it would not be appropriate to require that, in order for a paper to qualify as having been ‘‘ published,” at least some copies must have been placed on sale, for it had then been ascertained that certain University institutions in the United States distributed the whole edition of their publications free of charge, no copies being placed on sale. It would clearly be wrong so to define “publication” as to render invalid, because not pub- lished,’” new names appearing in papers which had been divulgués in this way.

Finally, the whole subject had been carefully reviewed in order to exclude provisions of a ritualistic ’’ character, that is to say technical provisions, the non-compliance with which would have the effect of invalidating names. With this object in view, the proposals had been drawn up in two groups: (1) mandatory provisions specifying the minimum standard which must be complied with in order to enable a book or paper to qualify as having been published and therefore to ensure that a new name which appears therein had been duly divulgué dans une publication ”’ ; (2) non- mandatory provisions to be inserted in Article 25 as Recommandations setting out the ideal standard to be aimed at.

THE COMMISSION agreed :— (1) to recommend :—

(a) that, either in Article 25 or at some other appropriate point in the Régles, there should be inserted provisions prescribing :—

(i) that a name made public, prior to midnight G.M.T. (Greenwich Mean Time), 31st December, 1950/1st Janu- ary, 1951, is to be deemed to have been made public in a publication

218

International Commission on Zoological Nomenclature.

(ii)

(“ divulgué dans une publication ’’) only if the document containing the name satisfies both of the following conditions :—

(a) it must have been reproduced either by printing or by some other mechanical method of reproduction which secures that every copy is identical with every other copy ;

(8) it must be a document issued for purposes of record and therefore of consultation by

interested persons and must accordingly not be a document issued for exclusive considera- tion by special persons only, or only for particular purposes or for a limited time ;

that a name made public, subsequent to the point of time specified in (i) above, is to be deemed to have been made public in a_ publication (‘‘ divulgué dans une publication”’), only if the document containing the name satisfies all of the following conditions :—

(«) it must have been made public in conditions which satisfy the requirements both of section (2) and of section (8) of (i) above ;

=

it must be reproduced on paper, and with ink, of quality and durability sufficient to offer a reasonable prospect of per- manency ; .

(y) where the document containing the name is distributed by, or on behalf of, its author to certain selected persons, at least some copies must also be placed on sale or made avail- able for issue free of charge to any institution or person who may apply for a copy ;

Tth Meeting, Paris, July, 1948. 219

(b)

(c

~—

» (iii) that, where there is any reasonable doubt as to whether a given book or paper has been made public in con- ditions which satisfy the requirements of section (i) or section (i) above, as the case may be, and therefore as to whether new names contained therein have been made public in a publica- tion (“ divulgué dans une publica- tion’’), the question should be referred forthwith to the Inter- national Commission on Zoological Nomenclature for decision ;

that, associated with the provisions specified in (a) above, provisions should be inserted in the Regles making it clear that a new name is not to be deemed to have been made public in a publication (“ divulgué dans une publication ”) if the only action or actions to make that name public consists of :—

(i) the deposit of the paper containing the new name in a public library or in the library of a scientific institution, however that document may have been reproduced ;

(ii) the mention of the new name in a paper presented orally before a meeting of any kind ;

(iii) the affixing of the new name on the label attached to a museum specimen;

that the provisions specified in (b) above should be linked with the undermentioned provisions which it had already been agreed at the present Session should be inserted in the Régles, namely the provisions relating to the status of a new name when the only action taken to make that name public consists of :—

(i) the distribution of printer’s proof sheets of the book or paper containing the new name (Paris Session, 6th Meeting, Conclusion 19(a) ) 5

(ii) the distribution of separata in advance of the appearance of the paper in question in the book or serial, for ‘nclusion in which it was printed (Paris Session, 6th Meeting, Con- clusion 19(b) ) ;

220

International Commission on Zoological Nomenclature.

(iii) the introduction of the new name in a note in explanation of a photograph or other illustration, where that note and accompanying photograph or other illustration is merely dis- tributed by the author to colleagues or students or inserted by him in separates of a paper which did not itself contain the new name accom- panied by an indication (Paris Session 6th Meeting, Conclusion 19(c) ) ;

the inclusion of the new name in a book or paper published anony- mously or over a pseudonym or initials only, where that book or paper is published subsequent to midnight (G.M.T.), 31st December, 1950/Ist January, 1951 (Paris Session, 7th Meeting, Conclusion 14(1)(b)) ;

(iv

~—

(d) that there should be added to the provisions

~—

specified in (a) above a Recommandation, urging institutions and individuals respon- sible for the publication of books and papers affecting the status of names to secure that there appears in the book or, as the case may be, the part of the book or serial affecting, or comprising papers affecting, such names, a clear statement specifying :—

(i) the name of the institution, firm or individual responsible for publishing the book or serial concerned ;

(ii) the address from which the book or serial concerned may be purchased or, where the book or serial is not placed on sale, the address from which a free copy may be obtained ;

(iii) the price for which a copy may be purchased, in those cases where the book or serial is placed on sale ;

that there should be added to the provisions specified in (a) above a Recommandation urging institutions, authors and other persons responsible for the publication of books and serials on zoological or palaeontological subjects to avoid publish- ing anything affecting the status of names

Tth Meeting, Paris, July, 1948. 221

in books or serials reproduced by any method other than printing ;

(f) that there should be added to the provisions specified in (a) above a Recommandation urging authors not to publish in the non- scientific press zoological or palaeontological papers containing new names ;

(g) that the first sentence (relating to the languages recommended as the only lan- guages to be used for describing new

it: systematic units) of Section “A” of the rai aia Appendice to the Régles (in future to be 4th Meeting, known, in accordance with the decision apa at) (2) noted in margin, as the “‘ Second Schedule to the Régles) should be deleted and that, in order to give greater prominence to this important question, there should be added to Article 25 a Recommandation urging that in every book or paper containing the name of a new genus, subgenus, species, subspecies or infra-subspecific form or a new name for any unit belonging to any of the foregoing categories, the existing name of which requires to be replaced under the Law of Homonymy, the description, definition or indication published for the unit to which the new name is given should be published in one or other of the five following languages, namely, German, English, French, Italian or Latin, in addition to the language in which the book or paper is written, when that language is not one of the five languages specified above ;

(2) to repeal Opinions 15 and 51 for interpretative

purposes. Names of new 16. THE COMMISSION had under consideration a taxonomic units communication submitted by Dr. Waldo L. Schmitt

ee. in advance (Smithsonian Institution, Washington, D.C.) regarding the

of the paper or of the status of names published in abstracts in advance of the Scere tpi paper containing the description of the new taxonomic description of the Unit concerned (file Z.N.(S.)262), together with a proposal

new unit: status of on this subject submitted by the Secretary to the Com-

mission in Point (27) in Commission Paper I.C.(48)14.

Formerly, new names had often been published by learned societies in abstracts printed and distributed before _ the meeting at which the paper containing the new names

222 International Commission on Zoological Nomenclature.

Generic and trivial names first published in keys: status of

was to be presented. This practice had led to difficulties, for it had often involved the publication either of nomina nuda or of names of genera and species so inadequately characterised that it was a matter of doubt and dispute whether the name had been published with an indication, within the meaning of Article 25 of the Regles. It had, moreover, often been a matter of difficulty to determine whether a new name made public in this way had been divulgué dans une publication’ within the meaning of Article 25 and therefore whether it possessed any avail- ability under the Law of Priority. This method of publish- ing new names was open to strong objection and should be discouraged. Similar objections applied to the publication of a new name in an abstract or summary at the head of a paper and to the publication of a new name in the intro- ductory portion of a paper in advance of the description of the new taxonomic unit concerned.

THE COMMISSION agreed to recommend :—

that a Recommandation should be added to Article 25 of the Régles, urging institutions and individuals responsible for the publication of books or papers containing new names to refrain from publishing those names for the first time either (1) in abstracts issued in advance of the publication of the book or paper containing the description of the taxonomic unit so named or (2) in abstracts placed at the head of the book or paper containing the description of the new taxonomic unit or in the introductory portions of the book or paper concerned in advance of the actual description of the new taxonomic unit.

17. THE COMMISSION had under consideration a communication submitted- by Dr. Waldo L. Schmitt (Smithsonian Institution, Washington, D.C.) regarding the status of generic and trivial names first published in keys (file Z.N.(S.)262), together with a proposal on this subject submitted by the Secretary to the Commission in Point (28) in Commission Paper I.C.(48)14.

It would clearly be wrong to refuse to accept names of new genera er species when those names were first published in keys. Nevertheless, this method of publishing new names was open to objection, for this method of publication made it difficult, and, in the case of trivial names, virtually impossible, properly to comply with the requirements of Article 25 of the Régles. It was desirable therefore that this method of publishing new names should be discouraged.

Article 25 (criteria to be adopted in determining the date of publication of a given book or paper)

(Previous reference, Paris Session, ith Meeting, Conclusion 15)

VOL. 4 P

Tth Meeting; Paris, July, 1948. 223

THE COMMISSION agreed to recommend :—

that a Recommandation should be added to Article 25 urging authors not to publish new names for the first time in keys, or, if it were desired to publish such names in a book or paper which contained, or consisted primarily of, a key, to publish those names with accompanying descriptions at the beginning of the book or paper concerned and in advance of the key.

18. THE COMMISSION had under consideration a note on the question of the criteria to be adopted in determining the date of publication of a given book or paper, submitted by the Secretary to the Commission in Point (29) in Commission Paper I.C.(48)14.

It was explained that the question of the meaning of the expression “date of publication” and the criteria to be adopted for determining, for any given book or paper, what was the date of its publication, had received some considera- tion from the Commission when, during the inter-war years, they had examined the cognate problem of the criteria to be adopted for determining whether or not a given book or paper had been published at all and therefore whether new names appearing therein had been duly made public in a publication (“divulgué dans une publication”’) for the purposes of Article 25 (file Z.N.(S.)84). No effective progress had, however, been made in this matter and zoologists had been left without any guidance as to the line which they should follow when it was impossible to deter- mine with certainty the relative dates either of two names, each applying to the same unit, or of the same name applied to different taxonomic units. The object of the present proposals was to fill this gap by inserting in the Regles simple rules which followed the general lines of the unofficial practice of zoologists in this matter.

THE COMMISSION agreed to recommend :—

the insertion in or near Article 25 of the following provisions :—

(a) the date on which copies of a work (the expression “work” for the purpose of the present provision and of provisions (b) and (c) below, to include any independent work or serial publication or, in either case, a volume or part thereof) produced in con- ditions which constitute publication are mailed to subscribers or are placed on sale or, where the whole edition is distributed free of charge, are mailed to institutions and individuals to whom such free copies are normally distributed, is to be taken to be the date of publication of that work.

(b) where a work bears a date purporting to specify or to indicate the date of publication, that date is to be deemed to be correct, unless and until evidence is published showing that date to be incorrect, in which

224 International Commission on Zoological Nomenclature.

case the work or any specified portion thereof is to be deemed to have been published on the latest date (whether earlier or later than the date specified or indicated in the work itself) that is compatible with the evidence so adduced ;

(c) where there is no evidence to suggest that the date specified or indicated in a given work is incorrect, the date as on which that work is to be deemed to have been published is to be determined in ac- cordance with the following rules :—

(i)

(it)

(iii)

(iv)

a work which bears a statement of the year, month and day of publication is to be deemed to have been published on the date so specified ;

a work which bears a statement of the year and month, but not of the day of publication is to be deemed to have been published on the last day of the month so specified, save where evidence is published showing that. publica- tion took place during the month in question on some day prior to the last day, in which case the work in question is to be deemed to have been published on the latest day compat- ible with the evidence so adduced ;

a work which bears a statement of the year but not of the month and day of publication is to be deemed to have been published on the last day of the last month of that year, save where evidence is published showing that publication of the whole or of some portion or portions of the work concerned took place during the year in question but prior to the last day thereof, in which case the work or the portion or portions concerned is, or are, to be deemed to have been published on the latest date compatible with the evidence so adduced, any portion of such a work. in respect of which no such supplementary evidence regarding the date of publication is forthcoming is to be deemed, as provided above, to have been published on the last day of the last month of the year concerned ;

a work which contains no evidence regarding the date on which it was published, except a range of years, specified on the title page or elsewhere, is to be deemed to have been published on the last day of the last month of the later, or, as the case may be, the latest of the years so specified, save that, where evidence is published showing that a portion, or that portions, of that work, was, or, as the case may be, were, published prior to the date specified above, each portion concerned is to be deemed to have been published on the latest date compatible with the evidence so adduced, any portion of the work in respect of which no such supplementary evidence regarding the date of publication is forth- coming to be deemed, as provided above, to have been published on the last day of the last month of the later, or, as the case may be, the latest of the years specified in the range of years given in work concerned ;

(d) where a work contains no direct evidence regarding the date on which it, or any portion of it, was pub- lished, the date of publication is to be determined

a ee

Date of publication of a name: method of citation recommended

VOL. 4 Pp?

ith Meeting, Paris, J uly, 1948. 225

by reference to such evidence as may be available from other sources, including evidence afforded by the date of publication of the first published book or serial publication or portion thereof containing a reference to the work in question or any portion thereof, the date to be adopted as the date of pub- lication to be the latest date compatible with such evidence.

19. THE COMMISSION turned next to consider the proposals for the insertion in the Regles of Recommandations regarding the method of notation to be adopted by authors when citing the date of publication of a given name, for the purpose of distinguishing between (1) a date expressly specified in the volume in which the name concerned was first published, (2) a date ascertained from indirect evidence obtained from an examination of the volume in question, and (3) a date ascertained solely by reference to external sources (file Z.N.(S.)84). In this connection, the Commission had before them certain proposals submitted by the Secretary to the Commission in the second portion of Point (29) of Commission Paper I.C.(48)14.

It was pointed out in discussion that care would be needed in the choice of the wording to be used in the Regles to give effect to the present proposals, owing to the fact that the expression bracket was used in different senses in England and America, in the former country this expression having the meaning of a sign, either semilunar or square, used to divide off certain words in a sentence from other parts of the sentence, the word bracket being qualified by the adjective “round or “square according to the form of the sign used, whereas in America only the square sign (called a square bracket in England) was denoted by the expression bracket,” the semilunar form being denoted by the expression parenthesis.”

THE COMMISSION agreed to recommend :—

that there should be added to the mandatory pro- visions recommended in Conclusion 18 above a Recommandation urging authors when citing the date of publication of a name :-—

(a) to refrain from placing either semilunar signs - (i.e. parentheses or round brackets) or square signs (i.e. square brackets) round the date of publication of a name, if that date is given on the title page of the volume containing the name or in an express statement regarding the date of publication of the volume or of the parts in which that volume was published, where such a statement is included in the volume itself ;

226 International Commission on Zoological Nomenclature.

Article 25 (priority to be accorded to

a name published in a work issued in instalments where that name is pub- lished on one date and the relevant description or part of it at a later date)

(Later reference: Paris Session, llth Meeting, Conclusion 12)

(b) to enclose within semilunar signs (i.e. paren- theses or round brackets) the date of publication of a name or a part of that date (e.g. the month of publication), where that date or that part of that date cannot be ascertained directly in the manner specified in (a) above, but can be ascertained indirectly by reference to other evidence afforded by the volume in which the name was originally published, e.g. evidence afforded by dates either printed on the first pages of individual signatures or on the wrappers (covers) in which successive portions of the volume were published ;

(c) to enclose within square signs (i.e. square brac- kets) the date of publication of a name or a part ° of such a date (e.g. the month of publication), where that date or that part of a date cannot be ascertained either directly or indirectly in the manner specified respectively in (a) and (b) above and can be determined only by reference to external sources of evidence.

20. THE COMMISSION had under consideration the question of the priority to be accorded to names published in books or journals issued in instalments, in those cases where a new name appears in one instalment and the description of the taxonomic unit so named or a part of that description appears in a later instalment (file Z.N.(8.)352). In this connection, the Commission had before them a proposal submitted by the Secretary to the Commission in Point (30) in Commission Paper I.C.(48)14.

No difficulty arose where a name was published without any description, definition or indication in the portion of the text of a book issued in one instalment, the whole of the description, definition or indication being published in a later instalment, for in that case the name, as published in the earlier instalment, was a nomen nudum. Clearly in such a case the name in question could rank for purposes of priority only from the date of publication of the later instalment containing the description, definition or indica- tion of the taxonomic unit to which the new name was applied. There was, however, a real difficulty in those cases where a new name appeared in one instalment of a work and that instalment contained part only of the description, definition or indication, the remaining part appearing on the first page of the next instalment. In such cases the criterion to be applied should be whether the descriptive matter given in the first instalment

Article 25

(status of a

trivial name published in conjunction with a generic name which does not comply with the requirements of Proviso (c) )

7th Meeting, Paris, July, 1948. 227

was sufficient to afford an indication for the purposes of Article 25 of the Regles. The question was of some importance, for owing to the interval which sometimes occurred between the publication of successive parts of a given work, cases might arise where the relative priority of two names for (say) the same species or subspecies might turn on the answer to be given to the foregoing question.

THE COMMISSION agreed to recommend :—

(1) that there should be added to Article 25 a provision that, where a new taxonomic unit to which that Article applies is described in a book or serial which is published in parts and the name of the taxonomic unit is published in one instalment and the description, definition or indication relating to the taxonomic unit so named is published partly in the instalment in which the name is published and partly in the next succeeding instalment, the name is to rank for purposes of the Law of Priority as from the date of publication of the later published of the parts concerned, except where the portion of the description, definition or » indication contained in the earlier published part is sufficient to comply with the requirements of Article 25 ;

(2) that there should be added to the mandatory provision recommended in (1) above a Recom- mandation urging institutions and individuals responsible for the publication of books or serials containing new names to ensure that, where a book or serial is published in parts, the description of a new taxonomic unit, belonging to a category to the names of which Article 25 applies, is not cut into two portions, the first portion being published at the end of one instalment and the remainder at the beginning of the next succeeding instalment.

21. THE COMMISSION had under consideration communications in regard to the status of a trivial name published subsequent to 3lst December, 1930, in cases where the generic name used in conjunction with the trivial name in question is invalid by reason of its not satisfying the requirements of Proviso (c) to Article 25 received (a) from President Karl Jordan and (b) from specialists in the Smithsonian Institution, Washington, D.C. (file Z.N.(S.)315), together with a note on the same subject submitted by the Secretary to the Commission in Point (31) in Commission

Paper I.C.(48)14.

bo bo oo

Schedule replacing the former

Appendice

to the Regles ”: proposed addition to, of a section

on the transliteration of words from the Cyrillic to the Latin alphabet

(Previous reference: Paris Session, 4th Meeting,

Conclusion 3(3)(a) (ii))

International Commission on Zoological Nomenclature.

In view of the fact that doubts had been raised as to the correct interpretation of Article 25 in relation to trivial names published in the manner described above, it was clearly desirable that words should be inserted in Article 25 to make the position absolutely clear. As regards the nature of that action, it would clearly. be ritualistic in the highest degree to prescribe that a trivial name published in the foregoing circumstances is invalid and possesses no status under the Law of Priority until such later time as it is republished in a binominal combination in which the generic name was a nomenclatorially available name. Moreover, such a decision would have the further serious disadvantage that it would make it necessary to provide also that a trivial name published in a binominal combination in which the generic name was invalid by reason of being a homonym was itself invalid until such later time as it was republished in combination with a generic name which was a nomen- clatorially available name.

THE COMMISSION agreed to recommend :—

that words should be inserted in Article 25 to make it clear that the status of a trivial name (specific, subspecific or infra-subspecific) is not adversely affected where the generic name with which it was combined when first published is a name which was itself either an unavailable name by reason of its having been published in conditions which do not satisfy the requirements of Article 25 (Law of Priority) (proviso (c) cases) or was invalid under the Law of Homonymy.

22. THE COMMISSION had under consideration a proposal (file Z.N.(S.)310) that there should be added to the Appendice to the Reégles a section giving particulars as to the manner in which words belonging to languages using the Cyrillic alphabet should be transliterated into the Latin - alphabet in cases where words belonging to such languages were selected to form the basis of generic or trivial names ~ and had therefore to be Latinised in accordance with the provisions of Article 3. In this connection, the Commission had before it also a note submitted by the Secretary to the Commission in Point (32) in Commission Paper I.C.(48)14.

It was pointed out that the Appendice to the Reégles (henceforward, as agreed upon at the meeting noted in the margin, to be a Schedule to the Régles) contained a Section prescribing the manner in which words of Greek origin should be transliterated into the Latin alphabet in cases where such wo1ds required Latinisation as a preliminary to being used as generic or trivial names, and that it was

(Previous reference: Paris Session,

4th Meeting, Conclusion 3)

Eighth Meeting of the Commission during its Paris Session: date and time noted

(Previous reference: Paris Session:

6th Meeting, Conclusion 77)

7th Meeting, Paris, July, 1948. 229

equally desirable to provide a corresponding Section relating to the transliteration for the same purpose of words belonging to languages using the Cyrillic alphabet. The rules governing the transliteration of such words were known to very few persons not personally acquainted with languages using the Cyrillic alphabet ; the growing number of scientific names based upon such words made it in- creasingly necessary to provide guidance on this subject.

THE COMMISSION agreed to recommend :—

(1) that there should be added to the Schedule which it had been agreed should replace the existing Appendice to the Regles a Section setting out the manner in which words belonging to languages using the Cyrillic alphabet should be transliterated into the Latin alphabet, for the purpose of forming zoological names in accordance with the provisions of Article 3 ;

(2) that, consequential upon (1) above, the Section forming Section G to the present A ppendice should be amended so as to exclude from the scope of the recommendations set forth therein geographical and proper names originating in languages using the Cyrillic or Greek alphabets (for the first of which provision would be made under (1) above, while, for the second, provision had already been made in Section F of the Appendice) and to secure that the recommendations set forth in this Section should relate to the proper method of transliteration into the Latin alphabet only of geographical and proper names originating in languages which either used alphabets other than those specified above or which had no recognised alphabet.

23. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) proposed that, now that the examination of Commission Paper I.C.(48)14 had been completed, the

- Commission should adjourn for the day. As already

arranged, the next meeting of the Commission, which would be held concurrently with the First Meeting of the Section on Nomenclature, would take place on the morning of the following day (Friday, 23rd July, 1948) at 0900 hours.

THE COMMISSION took note of the above arrange-

ments.

(Lhe Commission thereupon adjourned ut 2250 hours)

( 230 )

INTERNATIONAL COMMISSION on ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth International Congress of Zoology,

Paris, 21st-27th July, 1948

CONCLUSIONS of the Eighth Meeting held at the Sorbonne in the Amphithéatre Louis-Liard on Friday, 23rd July, 1948, at 0900 hours

(Meeting held concurrently with the First Meeting of the Section on Nomenclature)

PRESENT :

Mr. Francis Hemming (United Kingdom) (Acting President) Professor E. Beltran (Mexico)

Professor H. Boschma (Netherlands)

Professor J. Chester Bradley (U.S.A.)

Professor L. di Caporiacco (Italy)

Professor Harold Kirby (U.S.A.)

Mr. N. D. Riley (United Kingdom)

Professor R. Spirck (Denmark)

Professor V. van Straelen (Belgium)

Professor Robert. L. Usinger (U.S.A.)

The following were also present : M. H. Berthet (France) Dr. E. A. Chapin (U.S.A.) M. André Chavan (France) Mr. J. Delacour (U.S8.A.) Mr. C. F. dos Passos (U.S.A.) Professor E: Raymond Hall (U.S8.A.) Dr. Henning Lemche (Denmark) Mr. T. C. S. Morrison-Scott (United Kingdom) Miss Louise Russell (U.S.A.)

Mrs. M. F. W. Hemming, Personal Assistant to the Secretary Miss J. H. Shorey, Acting Documents Officer

Procedure proposed 1, THE ACTING PRESIDENT (MR. FRANCIS to be adopted at the HEMMING) said that the present meeting ot the Com-

present (eighth)

Meeting

mission was a public meeting held concurrently with the first meeting of the Section on Nomenclature. All the matters which would be brought forward would be of interest to the Commission as a body, and he proposed there- fore that the Commission should remain in continuous session througkout the meeting. He (the Acting President) anticipated that matters might be brought before the Section during the joint meeting on which the Commission might

Emendation to Psolos of the spelling of the generic name Psodos Treitschke,

1827 (Class Insecta, Order Lepidoptera):

M.-H. Berthet’s proposal

Extension, and incorporation in the Regles ”, of the provisions relating to the Commission’s plenary powers: Dr. H. Lemche’s proposal

8th Meeting, Paris, July, 1948. 231

feel that, if they were given the necessary opportunity, they would be able to reach an immediate decision which could then be reported back to the Section forthwith. If the discussion were to develop in this way, it was his intention, in his capacity as President of the Section, to invite the Section formally to adjourn to enable the Commission to consider matters so brought forward. Those members of the Section who were not members also of the Commission would remain in their places during any such adjournment and would be free, as at the previous public meetings of the Commission, to take part in the discussion of the Commission to such extent as they might desire.

THE COMMISSION :—

took note of, and approved, the procedure proposed by the Acting President.

2. THE COMMISSION had under consideration a proposal submitted by M. H. Berthet (Paris, France) that they should render an Opinion declaring that under Article 19 of the Régles the spelling of the generic name Psodos Treitschke, 1827 (Class Insecta, Order Lepidoptera) should be emended to Psolos (file Z.N.(S.)362).?

THE COMMISSION agreed :—-

(1) to render an Opinion stating that the spelling Psoidos Treitschke, 1825, and the spelling Psodos Treitschke, 1827 (Class Insecta, Order Lepidoptera) were erroneous and should be emended to Psolos under the provisions of Article 19 of the Regles.

to place the name Psolos (emend. of Psoidos and Psodos) Treitschke, 1825 im Ochsenheimer, Schmett. Europa 5 (Abth. 2): 434 (type species : Phalaena equestrata Fabricius, 1777, Gen. Ins. : 288) (type species selected by Duponchel, 1829, in Godart, Hist. nat. Lépid. France 7(2): 112) on the Official List of Generic Names in Zoology.”

(2

~—

3. THE COMMISSION, jointly with the Section on Nomenclature, had under consideration a communication (file Z.N.(S.)359) submitted by Dr. Henning Lemche (Copenhagen, Denmark) on behalf not only of himself but also of a large group of Scandinavian zoologists, in which the applicants asked that there should be inserted in the Régles a provision embodying, and at the same time expand-

_ |. * For the text of the communication made by M. Berthet, see page 157 of Volume 3 of this journal, and for the record of the discussion in the Section on Nomenclature, see pages 3-5 of

Volume 5,

bo oo bo

(See Section on Nomenclature Paris Session lst Meeting, Minute 3)

( Previous reference: Paris Session,

3rd Meeting, Conclusion 7)

(Previous reference: Paris Session,

3rd Meeting, Conclusions 1-6, 8)

Incorporation in the Regles

of a provision establishing a Law of Prescription limiting the scope of the Law of

Priority : proposals of Dr. H.Lemche and Professor P. Bonnet

International Commission on Zoological Nomenclature.

ing the scope of, the provisions of the Resolution adopted by the Ninth International Congress of Zoology at its meeting held at Monaco in 1913, under which plenary powers to suspend the provisions of the Regles in certain cases were conferred upon the International Commission on Zoological Nomenclature.

A long discussion (which is fully reported in the Minutes of the Meeting of the Section on Nomenclature) then ensued, in the course of which the ACTING PRESIDENT (MR. FRANCIS HEMMING), in his capacity as President of the Section, submitted for approval the more modest proposals for dealing with the problem of the plenary powers which the Commission had agreed to submit when they had had Commission Paper I.C.(48)5 under consideration, together with the proposals of the Commission for the reform of the composition of the Commission (based upon the proposals in Commission Paper I.C.(48)3) and for the introduction of improvements in the procedure of the Commission when dealing with applications submitted to it for decision (based on the proposals submitted in Commission Paper I.C.(48)4. At the conclusion of this discussion, Mr. LEMCHE (Denmark) intimated that, while the proposals submitted by the Commission for the reform of the plenary powers procedure did not go as far as he and his colleagues had advocated, he recognised that the reformed procedure was a great improvement on that laid down in 1913. The Section on Nomenclature thereon unanimously approved the recom- mendations submitted by the Commission :—

THE COMMISSION took note :—

that, in view of the outcome of the discussion in the Section on Nomenclature on the proposal for the extension of the plenary powers submitted by Dr. Henning Lemche (Denmark), no action. was called for on the part of the Commission.

4. THE COMMISSION, jointly with the Section on Nomenclature, had under consideration a communication (file Z.N.(S.)359) submitted by Dr. Henning Lemche (Copenhagen, Denmark) on behalf not only of himself but also of a large group of Scandinavian zoologists, in which the applicants asked that a provision should be inserted in the Régles limiting the Law of Priority, in its application to names published prior to the year 1850 but not used subsequent to that date, by a Law of Prescription

* For the text of the communication madejby Dr. Henning Lemche, see pages 158, 159-161 of Volume 3 of this journal, and for the record of the discussion in the Section on Nomenclature, see pages 5-13 of Volume 5.

8th Meeting, Paris, July, 1948. 233

which would prevent such hames from being substituted for names currently in use.4 At the same time, the Commission and the Section had under consideration a similar proposal] submitted by Professor Pierre Bonnet (France),5

(See Section on In the course of a long discussion (which is reported in /Sestierbnaaa , full in the Minutes of the Section on Nomenclature) it 1st Meeting, became evident that numerous members of the Section felt Minute 4) strongly that some appropriate means should be found to

Secure greater stability in nomenclature, even if this meant imposing some restriction upon the scope of the Law of Priority. No member of the Section spoke in favour of the continuance of the present system under which the Law of Priority not only failed to promote uniformity but was itself actively instrumental in leading to confusion and instability in nomenclature.

As regards the particular proposals under consideration, it was suggested by ALTERNATE COMMISSIONER N. D. RILEY (United Kingdom) that the Commission should be asked to consider, and report to the next Congress on, means to be adopted for banning the upsetting of well- known names through the digging-up of old names and the unearthing of old books containing forgotten names. The Acting President (MR. FRANCIS HEMMING), in his capacity as President of the Section on N, omenclature,

all systematic workers. It was essential therefore to ensure that full account was taken of all relevant considera-

and who in consequence desired to strengthen that Law at the expense of the Commission’s plenary powers.

Mr. JEAN DELACOUR (U.S.A.) said that the proposal _ to postpone a decision on this important matter could onl

* For the text of the communication made by Dr. Henning Lemche, see pages 159-161 of Volume 3 of this journal, and for the record of the discussion in the Section on Nomenclature. see pages 13-19 of Volume 5,

° For the text of Professor Bonnet’s paper, see pages 177-179 of Volume 3.

International Commission on Zoological Nomenclature

clature by upsetting well-known names in favour of long- forgotten names but instead at once to report to the Commission any case where the Law of Priority appeared to require the upsetting of a name in this way and to maintain in use the currently accepted name until such time as the Commission had decided whether the Law of Priority should be permitted to operate in the case in question.

Considerable further discussion took place, in which the importance of devising a satisfactory solution of the difficulties caused by the unfettered operation of the Law of Priority was stressed and, in some cases, regret was expressed at the prospect of a further period of four or five years during which no remedy would be available for countering the present ills. The view*was expressed that the proposed Recommandation should single out for special mention as names requiring particular consideration names of importance in medicine, agriculture and other fields of applied biology.

THE COMMISSION agreed :—

(1) to take note of the applications submitted (i) by Dr. Henning Lemche (Denmark) and (ii) by Professor Pierre Bonnet (France) in favour of the incorporation in the Régles of a provision recog- nising a Law of Prescription which would prohibit the replacement, on grounds of priority, of well- known names by names published long previously and not subsequently used for a long period ;

(2) to invite the Secretary to the Commission to examine, in consultation with interested specialists, all means which might secure greater stability . in zoological nomenclature and to submit a Report thereon, with recommendations, for consideration by the Commission at their meeting to be held during the next (XI Vth) meeting of the Congress, with a view to the submission by the Commission of proposals for the insertion in the Régles of provisions to secure the end specified above ;

to recommend, without prejudice to the proposal to be submitted to the next meeting of th Congress in the report referred to in (2) above, that there should at once be inserted at an appropriate point in the Reégles a provision :— (a) that, where a worker discovers that a well- known name in common use, particularly a name of importance in medicine, agri-

oo

Nomenclature of Protozoan and other parasites of Man: need for stabilisation : Prof. E. Beltran’s

communication

(See Section on Nomenclature, Paris Session, Ist Meeting, Minute 5)

8th Meeting, Paris, July, 1948. 235

culture, veterinary science or other applied fields of biology, is invalid under either the Law of Priority or the Law of Homonymy or, in the case of a generic name, has as its type species a species not commonly accepted as referable to the genus in question or to a segregate thereof, that worker should at once report the case to the International Commission on Zoological Nomenclature for such action as the Commission may deem to be proper ;

that in such cases neither the worker by whom the error in accepted practice is discovered nor any other worker should change that practice by substituting some other name for that in common use, until such time as the decision on the future status of the name in question is made known by the said Commission.

5. THE COMMISSION, jointly with the Section on Nomenclature, had under consideration a communication (file Z.N.(S.)397) submitted by Alternate Commissioner Enrique Beltran (Mexico) on the subject of the nomen- clature of Protozoan parasites of Man.®

ALTERNATE COMMISSIONER BELTRAN pointed out that at the present time many of the Protozoan parasites of Man were known to bacteriologists by names which possessed only a de facto basis and were’ not in accordance with the provisions of the Régles. The situation so created was extremely unsatisfactory and should be rectified as quickly .as possible. Alternate Commissioner Beltran sug- gested the appointment of a committee of protozoologists charged with the duty of studying the nomenclature of Protozoa, particularly species parasitic on Man, with a view to the submission of recommendations to the Commission for the addition to the Official List’ of the names of genera, in those cases where it was found that the names in question were available under the Régles for use in the sense in which they were commonly employed, and in the case of names not found to be so available for validation by the Commission with a view to their being also placed on the Official List.”

In the course of his presentation of the foregoing problem, Alternate Commissioner Beltran alluded to the need for the Commission to exclude taxonomic considerations when deciding whether to include generic names on the Official

Sc

* For the text of the communication made by Alternate Commissioner Beltran, see pages

162-163 of Volume 8 of this journal, and for the record of the discussion in the Section on Nomen- clature, see pages 19-23 of Volume 5.

236

International Commission on Zoological Nomenclature.

List.” He therefore welcomed the action taken by the Commission in Opinion 104, when dealing with the names of the human malaria parasites, in avoiding any attempt to express an opinion on the question whether two genera or one genus only were involved. The Commission had, in his view, acted with wisdom on that occasion in placing on the Official List’? two generic names (Plasmodiam and Laverania) for use for these parasites, the first by those specialists who regarded the quartan and aestivo-autumnal parasites as congeneric and by all specialists for the first of these parasites, the second for use for the aestivo-autumnal parasite by those specialists who regarded it as generically distinct from the quartan parasite.

In the subsequent discussion general agreement was expressed with the proposal submitted by Alternate Com- missioner Beltran that a special effort should be made to stabilise the names of parasites of importance in human medicine. It was felt that it was indefensible that the Laws of Priority and Homonymy, in which only systematic zoo- logists were interested, should be allowed to cause confusion and disturbance in the nomenclature of such species. On the other hand, it was most undesirable that the present situation, in which many such species were habitually known by names which were incorrect under the Régles, should be permitted to continue. For names of the kind under consideration there was a clear prima facie case for the use by the Commission of their plenary powers. The view was expressed also that the problem raised by Alternate Commissioner Beltran regarding the nomenclature of parasites of Man was by no means confined to Protozoa ; that there were numerous similar instances in Phyla other than Protozoa. It was agreed by all present that the proposals submitted by Alternate Commissioner Beltran should be expanded to apply to the names of genera con- taining species parasitic on Man, irrespective of the Phyla to which they belonged. .

On the question raised by Alternate Commissioner Beltran regarding the need for the Commission to avoid taking, or appearing to take, a view on taxonomic issues, when placing generic names on the Official List,” the Commission, in agreement with the Section on Nomen- clature, decided that, in future, in order to eliminate taxonomic problems from consideration when names are added to the ‘‘ Official List of Generic Names in Zoology,” two or more generic names should be placed on that List, in cases where specialists were agreed on the importance of stabilising the nomenclature of a particular group but were not unanimous on the purely taxonomic question of

Official List

8th Meeting, Paris, July, 1948. 237

whether more than one genus was involved and that this decision should be embodied in the regulations governing the preparation of the ‘‘ Official List.”

THE COMMISSION agreed :—

(1) to take steps, in compliance with the request addressed to them by the Section on Nomen- elature, to concert with specialists to secure the appointment of a committee or committees (a) to study the nomenclature of the Phylum Protozoa and other Phyla containing species which were parasites of Man and (b) to make proposals to the Commission for the addition to the “* Official List of Generic Names in Zoology,” whether under their plenary powers or otherwise, of the names of leading genera of such Phyla, particularly genera containing species which were parasites of Man, for the purpose of promoting the stabilisa- tion of the nomenclature of the groups concerned ; (2) to issue a statement drawing the attention of specialists to the action proposed in (1) above.

6. Arising out of the discussion recorded in Conclusion

of Generic Names in 5 above, THE COMMISSION agreed :—

Zoology : addition to the regulations relating to, of a provision designed to eliminate taxonomic considerations

Ninth and Tenth Meetings of the Commission | during its Paris Session: date and time appointed

to take note that the Section on Nomenclature had decided that there should be added to the regulations governing the preparation of the Official List of Generic Names in Zoology a provision that, in order to eliminate taxonomic considerations when names were added to the said Official List,’ two or more generic names should be added thereto, in cases where specialists were agreed on the importance of stabilising the nomenclature of a particular group but were not unanimous on the purely taxonomic question of whether more than one genus was involved.

7. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that it had previously been contem- plated that it would be necessary for the Commission to hold two further meetings that day, the first in the afternoon and the second in the evening. Such good progress had been made by the Commission in the consideration of their Agenda that it was now possible for him to propose that there should be no meeting that afternoon, thereby making it possible for such members of the Commission who so desired to take part in the excursion to the Chateau de Versailles which had been arranged by the authorities of the Congress. This change in plan would make it possible

238 International Commission on Zoological Nomenclature.

also for him to make progress with the preparation of further documents for the consideration of the Commission. He proposed therefore that the next meeting of the Commission should be held that evening at 2030 hours. As regards the following day there would be a joint meeting with the Section on Nomenclature at 0900 hours.

THE COMMISSION took note of the above arrange- ments.

‘(The Commission thereupon adjourned at 1205 hours)

( 239 )

INTERNATIONAL COMMISSION on ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth I nlernational Congress of Zoology,

Paris, 21st-27th July, 1948

CONCLUSIONS of the Ninth Meeting held at the Sorbonne in the Amphithéatre

Louis-Liard on Friday, 23rd J uly, 1948, at 2030 hours PRESENT :

Mr. Francis Hemming (United Kingdom) (Acting President) Professor J. Chester Bradley (U.S.A.) Professor L. di Caporiacco (Italy)

Mr. N. D. Riley (United Kingdom)

Professor V. van Straelen (Belgium)

Professor Robert L. Usinger (U.S.A.)

The following were also present : Dr. EK. A. Chapin (U.S.A.) Professor E. Raymond Hall (U.S.A.) Dr. Henning Lemche (Denmark)

Mrs. M. F. W. Hemming, Personal Assistant to the Secretary Miss J. H. Shorey, Acting Documents Officer

Miscellaneous 1. THE COMMISSION had before them a memorandum sche era Ri by the Secretary (Commission Paper 1.C.(48)15), containing clarification of a third instalment of miscellaneous proposals received from the Regles : various sources for the amendment or clarification of the third instalment Re :

egies. For convenience of reference these proposals, (Previous reference: which were 31 in number, had been numbered consecutively Lares Session, with the proposals brought forward in the paper containing

7th Meeting, Conclusion 6)

Article 27

the second instalment (Commission Paper I.C.(48)14).- The present proposals were therefore numbered (33) to (63).

THE COMMISSION agreed :—

to examine Commission Paper I.C.(48)15, point by point, for the purpose of reaching conclusions regarding the recommendations to be submitted on the questions raised therein.

2. THE COMMISSION had under consideration a

cierto hha proposal submitted by Dr. C. A. Hoare (London) (file

it clear that this Z.N.(S.)291), asking for the addition of words to Article 27 ie ee to make it clear that the provisions of that Article applied naming of forms to polymorphic species, together with a note on the same

of polymorphic subject set forth in Point (33) in Commission Paper

species)

VOL. 49

T.C.(48)15. It was not clearly stated in Article 27 that its

240 International Commission on Zoological Nomenclature.

Article 35 (polymorphism in trivial names arising from use of the same word in noun and adjectival form)

provisions applied to cases where one form of such a species was named before another in the same way as to different stages in the metamorphosis of a species possessing only a single adult form. Dr. Hoare observed that, while the present wording might be appropriate for the needs of the Metazoa, it did not meet the needs of the Protozoa, where the problem of species possessing both sexual and asexual forms was of special importance.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) observed that Dr. Hoare had drawn attention to what was undoubtedly a technical flaw in Article 27 as that Article at present stood and words should be inserted to make this matter clear. The adoption of an amendment in the sense proposed would not lead to changes in the current nomenclature of the Protozoa, for protozoologists had rightly assumed that the intention, though not the wording, of Article 27 was that its provisions should apply to names given to forms of polymorphic species. This Article had always been so interpreted, for example, in the synonymy of the names given to the human malaria parasites, a subject on which Professor Robert L. Usinger and himself had each made a special study and on which proposals would be laid before the Commission at a later meeting. Though the problem raised by Dr. Hoare was of special importance to protozoologists, it was not a problem confined to the Protozoa, for polymorphism of a very similar kind occurred also in the Class Insecta, where also other forms of poly- morphism commonly occurred. It was desirable therefore that the wording to be proposed to meet the point raised by Dr. Hoare should be sufficiently wide to cover all forms of polymorphism in species.

THE COMMISSION agreed to recommend :—

that words should be inserted in Article 27 to make it clear that the provisions of that Article applied to names published for forms of polymorphic species and therefore that, in the case of such species, the oldest available specific or subspecific trivial name applied to any form is to be accepted as the trivial name of the species as a whole.

3. THE COMMISSION had under consideration a communication received from Mr. Joshua L. Baily, Jr. (San Diego, California, U.S.A.), on the question whether trivial names which differed from one another only by the form of their termination, for example, in the use of the terminations “-costa’”’ and -costata”’ (file Z.N.(8.)309) should be regarded as homonyms of one another, together with a note on the same subject contained in the first part of Point (34) in Commission Paper I.C.(48)15.

VOL. 4

9h Meeting, Paris, July, 1948. 241

In his submission on this matter Mr. Baily had taken the view that, as the spelling differences referred to above were not among the differences specified in paragraph (3) of Article 35, names differing from one another only in this way were not to be rejected as homonyms under the Reégles. At the same time he brought forward two pairs of names of this kind, where, in his opinion, confusion had already arisen through the great similarity of the trivial names concerned. The cases in question were those presented (1) by the names Cardita crassicosta Lamarck, 1819, and Cardita crassicostata Sowerby, 1825, and (2) Cardita laticosta Kichwald, 1830, and Cardita laticostata Sowerby, 1832. In each of these cases, Mr. Baily-asked that the Commission should use their plenary powers to suppress the later published of the two names in question. In Com- mission Paper I.C.(48)15, the Secretary to the Commission took the same view as Mr. Baily regarding the interpretation of the Régles in this matter but recommended that Article 35 should be amended to make names belonging to this class homonyms of one another.

In the discussion which ensued the view was expressed that no objection need be taken in principle to the con- current use in the same genus of trivial names differing from one another solely by reason of the fact that in the one case the word concerned was in noun form and could therefore be treated as being a nominative singular in apposition to the generic name, while in the other case the name was in adjectival form and thus required to agree in gender with the generic name. There should normally be no room for confusion in such cases, having regard to the fact that, under the decisions which had been taken during the present Congress, it would now be made absolutely clear that the list of spelling differences specified in paragraph (3) of Article 35 was an exhaustive list and therefore that no name was to be rejected as a homonym of another name which dif- fered from it in spelling in any other way. On the other hand, it was desirable that trivial names within a given genus should be readily distinguishable from one another. Authors should therefore be recommended to avoid selecting as the trivial name of a new species or subspecies a name which differed only in its termination (noun form or adjectival form, as the case might be) from a trivial name already published for a species in the same genus or allied genera. Naturally, the recognition of names of the kind under discussion as available names, notwithstanding their close similarity, would not preclude the Commission from using their plenary powers to suppress such a name where in an individual case it could be shown that the concurrent

242 International Commission on Zoological Nomenclature

existence of two such closely similar names had already caused, or was likely to cause, confusion.

THE COMMISSION :—

(Previous reference’: (1) agreed that, having regard to the fact that it had Paris Session, ; ; é

6th Meeting, now been decided to make it clear that the list of Conclusion 43) differences in spelling given in paragraph (3) of

Article 35 was an exhaustive list, no action required to be taken in regard to trivial names of the same origin and meaning which differed from one another only by reason of the fact that in one case the name was in a noun form, while in the other it was in an adjectival form (e.g. crassicosta and crassicostatus, -a, -wm), for it would now be clear that, where such names occurred in a single genus, they were not to be regarded as homonyms of one another ;

(2) agreed to recommend that there should be inserted in the Regles a Recommandation urging authors not to select a compound word as a new trivial name, where there already existed either in the same genus or in an allied genus a compound trivial name of the same origin and meaning differing therefrom only by reason of the second part of that name consisting of a word in a noun form whereas the corresponding part of the proposed new name consisted of the same word in an adjectival form or vice versa. (Example: where in a given genus or group of genera there already exists a trivial name crassicosta (noun form), an adjectival trivial name such as crassicostatus, -a, -wm, should be avoided, and vice versa.) ;

(3

~~

agreed to recommend that, where in any given case it could be shown that the concurrent existence within a single genus or group of allied genera of trivial names differmg from one another only in the manner indicated in (1) above has caused, or was likely to cause, confusion, an end should be put to such confusion or, as the case might be, such confusion should be prevented from arising, by the use of the plenary powers ;

(4

~~

agreed that the Secretary should explain the position in this matter to Mr. Baily and should ask him whether in the circumstances he desired to pursue his application in regard to the two pairs of names in the genus Cardita Bruguiére, 1792 (Phylum Mollusca) which he had already sub- mitted to the Commission (file Z.N.(8.)309).

9h Meeting, Paris, July, 1948. 243

anne 34 and of 4. THE COMMISSION had under consideration an propored eddxien pplication submitted by Captain E. Rivenhall Goffe a add application submitted by Capt G fate inthe a (King’s Somborne, England) asking that certain additions category) should be made to the list of spelling differences specified in (Previous reference: paragraph (3) of Article 35 (file Z.N.(S.)198), together with a Paris Session, proposal in regard thereto submitted in the second part of ps hoe ae Point (34) in Commission Paper I.C.(48)15.

Conclusions 41 & 43) THE COMMISSION agreed to recommend :—

that the following differences in spelling should be added to the list of such differences to be inserted in the Articles replacing the present Articles 34 and 39 as differences to be ignored in determining whether one name is a homonym of another :—(1) the tran- scription of the semivowel or consonantal “i” as

y, “ei,” “ej” or “ij or (2) the use of the letters “e fie and a3 ph ae

Articles 34 and 35 5. Arising out of the discussion on the question dealt {words differing with in Conclusion 4 above, THE COMMISSION agreed to solely by having as recommend :—

h b ; : :

ae selletie we! is that a Recommandation be added both to Article 34

or “en”: proposed (generic names) and Article 35 (trivial names) urging

insertionofa authors to avoid selecting as a generic name or a Recommandation ats E : ;

urging avoidance) trivial name a word which, in the former case, differs

from an existing generic name only by having as its 3 accented syllable the syllable “en” or “an” as the case may be, as in the case of the names Tarentula and Tarantula, and, in the latter case, differs only in the same respect from an existing trivial name in the same genus or group of allied genera.

Article 4: 6. THE COMMISSION had under consideration the

Ss ea ner the situation which arises when the application of Article 4 in

existing Provisions its present form leads to the formation of identical family

leads to the names for families in different parts of the Animal Kingdom, establishment of : ! : 2

identical family together with a note on this subject submitted by the names in Secretary in Point (35) in Commission Paper I.C.(48)15. In

different groups) this connection, the Commission had under consideration

also correspondence on this subject which had passed between Commissioner H. Boschma (Netherlands) and the Secretary, consequent upon the former having proposed that means should be found to put an end to the anomaly created by the concurrent existence of the family name CYPRINIDAE in two parts of the Animal Kingdom (namely the Class Pelecypoda and the Class Pisces )(file Z.N.(S.)210).

In the discussion on this question, the view was generally expressed that it was a grave defect in the Articles of the Regles relating to the formation of family names that,

244 International Commission on Zoological Nomenclature.

although those Articles contained a provision (admittedly confused and inadequate as it was) regarding the application of the principle of priority to family names, those Articles contained no provision at all for the equally important question of the application of the Law of Homonymy. This was clearly a matter which should be dealt with in the ; Report on the reform of the provisions in the Régles relating ade ariel erence“ to the nomenclature of families which it had been agreed that 6th Meeting, é the Secretary should prepare for consideration at the next Conclusion 11) (XIVth) meeting of the Congress. The existence of duplicate family names in different groups might not be a source of inconvenience to workers who specialised in a narrow field, but it constituted an indefensible anomaly in the classifica- tion of the Animal Kingdom as a whole. Pending the complete redrafting of Articles 4 and 5 of the Regles, it would be possible to deal with this problem on an ad hoc basis; it was desirable that this should be done, for the sooner the more glaring of the present anomalies were removed the better. It should normally be possible to ‘find appropriate solutions on the lines adopted by the Commission in Opinion 140 when dealing with the question of the form of the family names to be constructed from the generic names Merops Linnaeus, 1758 (Class Aves) and Merope Newman, 1838 (Class Insecta).

THE COMMISSION agreed to recommend :—

that, without prejudice to any decisions that might be taken in the light of the comprehensive Report which the Secretary had been invited to prepare on the question of family names, there should be inserted in the Régles a provision that, where the application of Article 4 led to the establishment of two or more families havmg the same name, the case is to be referred to the International Commission on Zoological Nomenclature, whose duty it shall be to determine the name to be applied to each of the families

concerned.

Article 4 (name 7. THE COMMISSION had under consideration an to be appliedtoa = application submitted by the late Dr. A. Steven Corbet family where two <4 : :

or more existing (British Museum (Natural History), London) on the question families are _ of the procedure to be followed for determining the name of a peas ds) taxonomic family when two or more previously established families are postponement of united on taxonomic grounds (file Z.N.(8.)265), together decision pending with a note on the same subject submitted by the Secretary

general inquiry

in Point (36) in Commission Paper I.C.(48)15. The particu- lar case raised by Dr. Corbet was concerned with the relative priority to be accorded to the family names RIODINIDAE (formerly ERYCINIDAE) and LIBYTHEIDAE (Class Insecta,

(Previous reference: Paris Session,

6th Meeting, Conclusion 11)

Article 3 ; (definition of the expression Latin” as there used)

Ith Meeting, Paris, July, 1948. 245

Order Lermoprera), by an author who regarded these two groups as forming a single family only.

In the discussion on this question, the view was expressed that it was important that provision should be made in the Reégles as soon as possible for determining the name to be applied to a family in the circumstances described above, for the problem involved was one of the most central of the issues awaiting settlement in the field of family names. It was felt, however, that, inconvenient and unsatisfactory as it was that there should be no rules governing this matter, it would be a mistake to prejudge the issue of the proposed investigation into the problem of the nomenclature of families by making a recommendation to the present Congress on this subject.

THE COMMISSION agreed :—

that the question of the provisions to be inserted in the Regles in regard to the name to be adopted for a family when two or more existing families were united on taxonomic grounds was one of the problems to which special attention should be paid in the Report on the nomenclature of families and super- generic groups below family level which at the meeting noted in the margin the Commission had invited the Secretary to prepare for their consideration at their meeting to be held during the next (XIVth) meeting of the Congress.

8. THE COMMISSION had under consideration an application submitted by Professor L. W. Grensted (Oxford University) in regard to the need for the introduction into Article 3 of the Régles of words defining the sense in which the word Latin is used in that Article (file Z.N.(S.)313), together with a proposal in regard thereto submitted by the Secretary in the first part of Point (37) in Commission Paper I.C.(48)15.

THE COMMISSION agreed to recommend :—

that a provision on the following lines be inserted in Article 3 :—

In the interpretation of this Article regard is to be paid to the fact that Latin as used for zoological nomenclature is a living language and therefore that, while classical Latin is necessarily the standard to which zoological names should, so far as possible, conform, that standard is not to be applied in such a way as to ignore later developments of the language or as to override considerations of scientific accuracy, uniformity, intelligibility or practical usefulness,

246

Article 4 (proposed removal of ambiguities regarding the method to be followed in forming a family name from a given generic name)

Article 14 (agreement in gender with the

generic name of a -

trivial name, when an adjective)

(Previous reference: Paris Session.

7th Meeting, Conclusion 12)

International Commission on Zoological Nomenclature.

9. THE COMMISSION had under consideration an application submitted by Professor L. W. Grensted (Oxford University) in regard to the need for removing from Article 4 the ambiguities regarding the procedure to be followed when forming a family name from a given generic name (file Z.N.(S.)313), together with a proposal in regard thereto submitted by the Secretary in the second part of Point (37) in Commission Paper I.C.(48)15.

THE COMMISSION agreed to recommend :—

(1) that, in confirmation of the decision taken by the Kighth International Congress of Zoology at its meeting held at Graz in 1910, that the word “stem” should be substituted for the word “root” in the English translation of Article 4 of the Reégles, the word “theme” should be substituted for the word “radical” in the

substantive French text of that Article ;

(2) that a provision to the following effect should be added to Article 4 :—

The expression “‘ stem ”’ is to be interpreted as meaning either (1) the grammatical or classical stem or (2) a part of the stem, the choice to be made in favour of whichever of the foregoing methods both shows most clearly the relation- ship between the generic name on the one hand and the name of the family on the other and provides the simpler and more euphonious form compatible with that relationship.

10. THE COMMISSION had under consideration (1) a proposal submitted by Mr. W. Parkinson Curtis (United Kingdom) and (2) a proposal submitted by Professor Pierre Bonnet (France) on the subject of the agreement in gender with the generic name of trivial names, when adjectival mn form (file Z.N.(S.)214), together with a note on the same subject submitted by the Secretary as Point (38) in Com- mission Paper I.C.(48)15. Mr. Parkinson Curtis suggested that the provision that an adjectival trivial name should agree in gender with the generic name should be -deleted from Article 14 on the ground that it was obsolete and virtually unworkable. Professor Bonnet’s proposals were designed to elucidate certain obscurities in regard to the application of the present provisions, while those submitted by the Secretary were more far-reaching in character, being designed to provide a means for determining the gender of every generic name. In Point (39) of the same Commission Paper (Commission Paper I.C.(48)15) a proposal was sub- mitted that, for the convenience of those zoologists who

7

(Previous reference: Paris Session,

4th Meeting, Conclusion 9)

(Later reference: Paris Session, 12th Meeting, Conclusion 25)

9th Meeting, Paris, July, 1948. 247

were unfamiliar with the Latin language, there should be added to the Second Schedule to the Regles a statement of the rules governing the gender of Latin nouns, together with particulars of the better known of those nouns which were exceptions to the normal rules.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that, as the existing provisions of Article 14 regarding the agreement of adjectival trivial names in gender with the generic names with which they were conjoined, as also the supplementary provisions now proposed to be added to those provisions, were mandatory in character, it would not, as he had previously thought, be appropriate to include the proposed statement of the tules governing the gender of Latin nouns in the Schedule which was to replace the present Appendice to the Regles, for, as already agreed at the meeting noted in the margin, it was now to be made clear in the Régles that the provisions of that Appendice, and therefore of the Schedule which was to take its place, were non-mandatory in character. If, therefore, the Commission adopted the proposal that the rules governing the gender of Latin nouns when used as generic names should be added to the Réegles, it would be necessary, in view of the mandatory character of those provisions, to place them in a Schedule distinct from that in which the existing Appendice was to be incorporated. The Acting President went on to say that he desired to supplement in one respect the proposal which he had sub- mitted in this matter. It was not only the determination of the gender of Latin nouns which had proved a stumbling- block to those zoologists who had not had a classical education, for the rules governing the declension of Latin adjectives were far from simple and here too it was easy to fall into error. He accordingly proposed that particulars of the rules governing this matter also should be included in the suggested Schedule.

THE COMMISSION agreed :—

(1) that, having regard to the provisions of Article 3 of the Régles, it was essential and inevitable that a trivial name, when an adjective, should agree in

: gender with the generic name and that the

application submitted by Mr. Parkinson Curtis should therefore be rejected ;

(2) that it was essential that the clearest possible directions should be included in the Régles regarding the procedure to be followed for determining the gender of generic names ;

“a

48

International Commission on Zoological Nomenclature.

(3) in view of (2) above, to recommend :—

(a) that the following provisions should be inserted in the Reégles for the purpose of determining the gender of nouns used as generic names and consequently for deter- mining the gender in which trivial names, when adjectives, should be cited :—

(i) where a generic name or, in the case

(ii)

(iii)

of a name consisting of a compound word, the terminal portion of such a name consists either of a classical Latin noun or of a noun, which, though unknown in classical Latin, is found in the later history of the Latin language, the generic name concerned is to be treated as being of the same gender as that of the Latin noun in question, save that, where a Latin noun occurs in more than one gender, the generic name consisting of that noun is to be treated as being of the masculine gender ;

where a generic name or, in the case of a name consisting of a compound word, the terminal portion of such a name, consists of a Latinised Greek noun either of the classical or non- classical period, the generic name concerned is to be treated as being of the same gender as the Latinised Greek word in question in like manner as in (i) above, Greek nouns for this purpose to retain their original gender, save in any case where a Greek noun became an integral part of the Latin language and, on being so incorporated, was treated as being of a gender different from that which it possessed prior to being so incorporated ;

where a generic name or, in the case

of a name consisting of a compound

word, the terminal portion of such a name consists of a word unknown in any stage of the Latin or Greek languages, except in so far as it is

9th Meeting, Paris, July, 1948. 249

treated as a Latin or Latinised word for the purposes of zoological nomen- clature, the following rules are to be followed in determining its gender :—

(1) if the word so treated as a Latin

or Latinised noun has a ter- mination found in the nomina- tive singular of any of the Latin declensions, that word, if having a termination found in the first or fifth declensions, shall be treated as being of the feminine gender, and, if having a termination found in the second, third or fourth declen- sion, shall be treated as being of the gender normally appro- priate to a noun having that termination, save that every such word having the termina- tion “-us,” or, as the case may be, the termination “-es” shall be treated in the former case as being of the masculine gender, and in the latter case of the feminine gender ;

if the word has a termination not found in the nominative singular of any of the five Latin declensions, that word is to be treated as being of the masculine gender.

(b) that, in order to facilitate the determination of the gender of any given generic name and the correct formation of adjectival trivial

names :—

(i) there should be added to the Reégles a Schedule, to be inserted at an appropriate point among the other Schedules, containing a concise state- ment of the rules governing :—

(1)

the gender of Latin nouns and of Greek nouns, when latinised, together with particulars of the better known of such nouns, the gender of which differed from that normally appropriate for a noun belonging to the declension con- cerned and having the termination in question ;

250

Article 25, Proviso (c) (point of time as from which effective)

“‘ Appendice to the Regles (proposed correction of an error in section

Gc <2)

(Previous reference: Paris Session,

4th Meeting, Conclusion 3)

International Commission on Zoological Nomenclature.

(2) the formation of the respective genders of Latin adjectives and of Greek adjectives, when latinised, together with particulars relating to the better

- known of such adjectives, the genders of which were not formed in accerdance with the normal rules ;

(ii) there should be inserted in relation to sub-paragraph (a) of the first para- graph of Article 14 words prescribing that the gender of generic names is to be determined in accordance with the rules specified in (a) above as supple- mented by the Schedule specified in (b) (i) above, and the gender of adjectives is to be formed in accord- ance with the rules specified in the said Schedule.

11. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) for the clarification of the point of time decided upon by the Tenth International Congress of Zoology at its meeting held at Budapest in 1927 as the point of time as from which the proviso (c) then added to Article 25 was to come into operation, submitted by the Secretary in Point (40) in Commission Paper I.C.(48)15.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that the provisions of Proviso (c) to Article 25 came into operation as from midnight G.M.T. (Greenwich Mean Time) 3lst December, 1930/1st January, 1931.

12. THE COMMISSION had under consideration a proposal submitted by Commissioner H. Boschma (Nether- lands) for the correction of a minor error in Section G of the Appendice to the Regles (file Z.N.(G.)10), together with a note thereon submitted by the Secretary in Point (41) in Commission Paper I.C.(48)15.

THE COMMISSION agreed :—-

(1) to take note that the statement contained in the sentence “‘the soft aspirate may be used to represent the Arabic ain,’ which appeared at the end of the sixteenth of the recommendations enumerated in Section G of the Appendice to the Regles, shortly to be converted into a Schedule, was incorrect ;

(Previous reference: Paris Session,

ith Meeting, Conclusion 22)

Article 14

(status of a

trivial name consisting of an unchanged surname of a modern personage treated as a Latin or Latinised word)

9th Meeting, Paris, July, 1948. 251

(2) to recommend that the error referred to in (1) above should be corrected when the wording of the recommendations set forth in Section G of the Appendice were revised as agreed upon at the meeting noted in the margin. :

13. THE COMMISSION had under consideration a proposal submitted by the late Professor T. D. A. Cockerell (U.S.A.) (file Z.N.(S.)165) that a ruling should be given on the question whether a trivial name consisting of an unchanged surname of a modern personage but treated as a Latin or Latinised word should be corrected to comply with the requirements of Article 14 (see Cockerell, 1945, Bull. zool. Nomencl. 1: 89), together with a note thereon sub- mitted by the Secretary in Point (42) in Commission Paper 1.C.(48)15.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that until fairly recently almost the only cases of the kind referred to in Professor Cockerell’s application were those found in the works of French authors of the early decades of the XIXth century. Within recent years there had, however, been a recrudescence of this type of trivial name, as the result—as it appeared from correspondence— of a misreading of the first paragraph of Article 14 which provided that a trivial name might be a noun in the nominative singular in apposition to the generic name. Trivial names consisting of unlatinised modern patronymics must however be regarded as defective, for such a method of forming a trivial name based on a modern patronymic was inconsistent with the intention, if not with the actual provisions, of the third paragraph of Article 14. Moreover, even where such names were printed in italics it was difficult to sustain an argument that a name, so formed, had been latinisé within the meaning of Article 3 of the Réegles. Whatever decision the Commission might take on the question raised by Professor Cockerell, it was desirable that the provisions in Article 14 relating to the formation of trivial names based upon the surnames of modern

-personages should be co-ordinated with the general

provisions relating to the formation of trivial names specified in the first paragraph of that Article.

THE COMMISSION agreed to recommend :—

(1) that words should be inserted in the Regles to make it clear that, where a trivial name is pub- lished in the form of an unchanged surname of a modern personage (e.g. where, to honour the Frenchman Cerisy, Godart published in 1824 a

252 International Commission on Zoological Nomenclature.

Article 14 (status of a trivial name consisting of a phonetic reproduction of the initials of one or more persons)

trivial name cerisy in the binominal combination Papilio cerisy) and (as in the example cited above) the author treated the name, so formed, as a Latin or Latinised word, the form of the trivial name so published is to be corrected so as to comply with the requirements of the paragraph of Article 14 which deals with the formation of trivial names based on modern patronymics (the name cerisy in the example quoted above thus being corrected to cerisyt), the name so corrected to retain priority as from the date on which it was published in the incorrect form: (i.e. in the above case from 1824, the date when the name was published in the incorrect form cerisy) and to continue to be attributed to the author by whom it was so published ;

that Article 14 should be amended in such a way as to make it clear that the provision in the first paragraph of that Article that a trivial name may be a noun in the nominative singular in apposition to the generic name does not apply to trivial names based on the surnames of modern personages.

14. THE COMMISSION had under consideration a proposal submitted by Mr. R. G. Fennah (St. Lucia, B.W.1.) (file Z.N.(S.)163) that a ruling should be given on the question whether a trivial name based upon the phonetic reproduction of the initials of a zoologist or zoologists complied with the requirements of the Régles (see Fennah, 1945, Bull. zool. Nomencl. 1: 89), together with a note thereon submitted by the Secretary in the first part of Point (43) in Commission Paper I.C.(48)15.

THE COMMISSION agreed :—

(1) to recommend that words should be inserted in

~—

Article 14 to make it clear that a trivial name (like a generic name) may consist of an arbitrary combination of letters, a trivial name so formed to be treated as an indeclinable noun in the nominative singular ;

that, on the adoption of the recommendation submitted in (1) above, a trivial name consisting of a phonetic reproduction of the initials of one or more persons would, if treated as a Latin word, comply with the requirements of Article 14.

Article 8 (conversion of

Recommanda- tions into mandatory provisions)

(Later reference : Paris Session, Oth Meeting, Conclusion 37)

Articles 8 & 14 (proposed

Recommanda-~ tion condemning names suggesting a bizarre or

other objectionable meaning in some language other than Latin)

(Previous reference: Paris Session,

ith Meeting, Conclusion 12)

9th Meeting, Paris, July, 1948. 253

15. In the course of the discussion on the proposal dealt with in Conclusion 14 above, attention was drawn to the fact that in its present form Article 8 was defective, since the second and third of the three provisions concerned (of which the third was exactly parallel to the provision which it had now been agreed to be added to Article 14) appeared not as mandatory provisions but, quite inappro- priately, as Recommandations.

THE COMMISSION agreed to recommend :—

that on the forthcoming revision of the text of the Regles, the two provisions which at present appeared as Recommandations annexed to Article 8 be con- verted into mandatory provisions, subject as regards the second, to names falling within the scope of sub- paragraph (h) being excluded from the scope of sub-paragraph (k).

16. THE COMMISSION had under consideration a proposal submitted by Professor Pierre Bonnet (France) that a provision should be inserted in the Régles invalidating names which, while purporting to be Latinised words, were combinations of syllables conveying in some language other than Latin a meaning that was bizarre or otherwise improper (file Z.N.(S.)352), together with a note thereon submitted by the Secretary in the second part of Point (43) in Commission Paper I.C.(48)15.

In submitting this proposal Professor Bonnet had drawn attention to the generic names Ochisme and Marichisme published in 1904 by the British zoologist Kirkaldy, names which might appear innocuous to any non-English speaking zoologist but which to any person acquainted with the

_ English language were obviously unsuitable and improper

being no more than the English expressions “0, kiss me” and “Mary, kiss me” written together as though the three words wereone. Such names were ona par with names like Vienferdodoleon or Prentoncafelea if coined by an irresponsible Frenchman. Names of this kind were open to strong objection and their publication should be prohibited.

THE COMMISSION agreed to recommend :—

(1) that there should be added to Article 8 a Recommandation condemning the selection as a generic name of a word which purported to be an arbitrary combination of letters but which, when pronounced, appeared to be a word or words in some language other than Latin, especially where those words had a bizarre, comic or otherwise objectionable meaning, and urging authors to refrain from publishing such names ;

254 International Commission on Zoological Nomenclature.

Article 23 (proposed clarification in certain respects)

PURCHASED

20 Nia 135

(2) that a Recommandation in terms similar to those

af:

specified in (1) above but relating to trivial names should be inserted in Article 14.

THE COMMISSION had under consideration the

following papers relating to the use of parentheses (round brackets) in cases where subgeneric names are cited in addition to generic names or the status of a trivial name is altered in a given genus.

(a)

(b)

a request received from Dr. C. F. W. Muesebeck (U.S.A.) for a ruling on the interpretation of Article 23 in cases where a species is originally described as being both in a genus and in a subgenus and later the subgenus is elevated to generic rank and the species is transferred to the genus so erected (file Z.N.(S.) 128) (see Muesebeck, 1945, Bull. zool. Nomencl., 1: 92) ;

a request received from Professor R. Chester

Hughes (U.S.A.) for a ruling on the interpretation of

Article 23 in relation to the use of parentheses (round _ brackets) when citing the name of an author of a

subspecific trivial name when that name appears in

conjunction with the same generic name but not in

the same relationship thereto as when originally

published (file Z.N.(S.)129) (see Hughes, 1945, Bull.

zool. Nomenc., 1: 91-92) ;

a note on the above cases submitted by the Secretary in Point (44) in Commission Paper I.C.(48)15.

THE COMMISSION agreed to recommend :—

(1) that Article 23 should be redrafted, so far as

(2

bo _—

necessary, to make it clear that the provisions of that Article apply only to the case of a species or subspecies which is originally described as belonging to one nominal genus but later is transferred to another nominal genus, and therefore that it is irrelevant for the purposes of Article 23 whether a species or subspecies, when first described, in addition to being placed in a genus was placed also ih a subgenus, as also is the question whether a species or subspecies originally published in a genus without a subgenus being cited is later cited under both a generic and a subgeneric name and vice versa ;

that the name of an author is not-to be placed in brackets (parentheses) when a trivial name originally published as the name of a species is

THANKS TO U.N.E.S.C.O.

The International Trust for Zoological Nomenclature, on behalf

of the International Commission on Zoological Nomenclature, have great pleasure in expressing their grateful thanks to the UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANISATION (U.N.E.S.C.O.) for the financial assistance afforded towards the cost of producing the present volume.

BULLETIN OF ZOOLOGICAL NOMENCLATURE

Notice to subscribers regarding the arrangements made for the completion of volume 1 and for the publication of volumes 2, 3, 4 and 5

The following arrangements have been made for completing volume 1 of the Bulletin of Zoological Nomenclature and for the publication of volumes 2, 3, 4.and 5 :—

Volume 1: A concluding Part (Part 12), containing, inter alia, the Title Page, Table of Contents, and alphabetical subject index, will be published shortly.

Volume 2: This volume, like Volume 1, will be devoted to the publica- tion of applications in regard to nomenclatorial problems submitted by specialists to the International Commission on Zoological Nomen- clature for decision. Publication will commence at an early date.

Volume 3: This volume, which is now complete in 9 Parts, is devoted to the publication of the memoranda, reports and other docu- ments considered by the International Commission on Zoological Nomenclature and by the Section on Nomenclature of the Thirteenth International Congress of Zoology at their meetings held in Paris in July 1948.

Volume 4: This volume will be devoted to the publication of the Official Record of Proceedings of the International Commission on Zoological Nomenclature at its Session held in Paris in fuly 1948. Parts 1-9 have already been published and the remaining Parts are in the press.

Volume 5: At the request of the Bureau of the Thirteenth International Congress of Zoology, this volume will be devoted to the publication of the Official Record of Proceedings of the Section on Nomenclature : of the Thirteenth International Congress of Zoology, Paris, July 1948, together with the Reports submitted to the Congress by the Inter- national Commission on Zoological Nomenclature and the Section on Nomenclature.

INQUIRIES All inquiries regarding publications should be addressed to the International Trust for Zoological Nomenclature, and all inquiries regarding the scientific work of the Commission to the Secretary to the Commission at the following addresses :—

International Trust for Zoological Nomenclature: 41, Queen’s Gate,

London, S.W.7, England. International Commission on Zoological Nomenclature: Secretariat of

the Commission, 28 Park Village East, Regent’s Park, London, N.W.1, England.

Printed in Great Britain by Metcuim AND Son, Ltp., Westminster, London

VOLUME 4. Parts 10/12 9th Fune, 1950 pp. 255—350.

THE BULLETIN OF ZOOLOGICAL

THE INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE

Edited by FRANCIS HEMMING, C.M.G., C.B.E.

Secretary to the International Commission on Zoological Nomenclature.

CONTENTS :

The Official Record of Proceedings of the International Page Commission on Zoological Nomenclature at its Session held in Paris in Fuly 1948:

~ Conclusions of Ninth Meeting

(concluding portion) eee - - - 255-271 Conclusions of Tenth Meeting - - - 272-279 | Conclusions of Eleventh Meeting - - - 280-305 Conclusions of Twelfth Meeting

(first instalment) - - - . - 306-350

LONDON :

Printed by Order of the International Commission on Zoological Nomenclature on instructions received from the Thirteenth

International Congress of Zoology, Paris, 1948,

and Sold on behalf of the International Commission by the International Trust for Zoological Nomenclature at the Publications Office of the Trust 41, Queen’s Gate, London, S.W.7.

1950

Price One pound, eight shillings. (All rights reserved)

Article 25 (question whether a description of the work of an animal but not

of the animal itself constitutes an indication ”’)

(Previous reference: Paris Session,

6th Meeting, Conclusion 16)

Article 25 (Question whether a generic name based solely upon a figure is published with an

indication ”’)

VOL. 4R

yJuly, 1948,

later treated as the name of a subspecies and vice versa, so long as that species or subspecies is cited in its original nominal genus.

18. THE COMMISSION had under consideration a request submitted by Commissioner J. Chester Bradley (U.S.A.) (file Z.N.(S.)140) for a ruling on the question whether the description of the work of an animal (for example, the borings made by a beetle), unaccompanied by any description of the animal itself or of any part of it constitutes an indication for the purposes of Article 25 (see Bradley, 1945, Bull. zool. Nomencl., 1: 93-94), together with a note thereon submitted by the Secretary in Point (45) in Commission Paper I.C.(48)15.

THE COMMISSION agreed to recommend :—

(1) the insertion in Article 25 of words to make it clear that the description of the work of an animal constitutes an “indication’’ for the purposes of Article 25, even if unaccompanied by a description of the animal itself and that a name so given is not to be rejected on the grounds that it is based upon a hypothetical form ;

(2) the addition to Article 25 of a. Recommandation

urging authors, so far as possible, to avoid giving

names to new taxonomic units, where those units are based solely upon the work of an animal.

~—

19. THE COMMISSION had under consideration a request submitted by Dr. Harald A. Rehder (U.S.A.) (file Z.N.(S.)68) for a ruling on the question whether a generic name based solely upon a figure satisfies the requirements of Article 25 (see Rehder, 1945, Bull. zool. Nomencl., 1: 94-95), together with a note thereon published by the Secretary in 1945 (Bull. zool. Nomencl., 1: 95-96) and a supplementary note submitted by the Secretary in Point (46) in Commission Paper I.C.(48)15.

THE COMMISSION agreed to recommend :—

that words should be inserted in Article 25 to make it clear that a generic name published prior to Ist January, 1931, on a legend to a plate or plates but without explanatory matter is to be treated as having been published with an indication for the purposes of Article 25.

256

Trivial name aegyptiellus Strand, 1909, con-

?

ditionally published

for a subspecies of Halictus morbillosus Kirchbaumer, 1873:

status of, determined

(Previous reference : Paris Session,

6th Meeting, Conclusion 17)

Article 25 (significance of the citation of

the host species in an original description of a parasite)

(Previous reference: Paris Session,

6th Meeting, Conclusion 23)

Article 25 (significance of the citation of a geological horizon in an original description of a fossil species)

International Commission on Zoological Nomenclature.

20. THE COMMISSION had under consideration an application submitted by the late Professor T. D. A. Cockerell (U.S.A.) (file Z.N.(8.)45) for a ruling on the authorship and date to be attributed to a trivial name published conditionally in the Order Hymenoptera (Class Insecta) (Cockerell, 1945, Bull. zool. Nomencl., 1: 97), together with a note submitted by the Secretary in Point (47) in Commission Paper I.C.(48)15.

THE COMMISSION agreed :—

that the point of principle raised in the application submitted had been settled by the decision taken at the meeting noted in the margin at the time when Opinion 49 was under consideration and therefore that the trivial name aegyptiellus given conditionally as the trivial name of a subspecies of Halictus morbillosus Kirchbaumer, 1873, ranked for priority as from 1909, the year in which it had been published by Strand and is to be attributed to that author.

21. THE COMMISSION had under consideration a proposal submitted by President Karl Jordan (United Kingdom) (file Z.N.(S.)167) that a ruling should be given on the question whether the citation, in the case of a parasitic species, of the name of the host species, unaccompanied by any description of the parasite itself, constituted an “indication for the purposes of Article 25 (see Jordan, 1945, Bull. zool. Nomencl., 1: 97-98), together with a note thereon submitted by the Secretary in Point (48) in Com- mission Paper I.C.(48)15.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear that the citation of the name of the host species of a parasitic species, unaccompanied by any other particulars does not. constitute an “indication” for the purposes of Article 25 but that the provision regarding the significance of the citation of a type locality in an original description which at the meeting noted in the margin they had agreed to recommend should be inserted in the Régles should be expanded to cover also the citation, in the case of a parasitic species, of the name of the host species.

22. Arising out of the discussion on the preceding item, THE COMMISSION agreed to recommend :—

that the provision recorded in Conclusion 21 above should be extended to cover also the citation, in the

Article 25 (meaning of the expression le plus anciennement designé ”’)

(Previous reference: Paris Session,

7th Meeting, Conclusion 18)

Article 28

(relative advantages of the First Reviser and

Page Precedence principles), Secretary to

submit Report on

VOL. 4

9th Meeting, Paris, July, 1948. 257

case of a fossil species, of the geological horizon in which the fossil was found, where no descriptive matter is given.

23. THE COMMISSION had under consideration a proposal submitted by Dr. Satyu Yamaguti (Japan) (file Z.N.(S.)125) that a ruling should be given regarding the manner in which the expression “le plus anciennement désigné” as used in Article 25 should be interpreted (see Yamaguti, 1945, Bull. zool. Nomencl.,1 : 102), together with a note thereon submitted by the Secretary in Point (49) in Commission Paper I.C.(48)15.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the principal point raised by Dr. Yamaguti had been settled by the decision taken at the meeting noted in the margin that there should be added to the Régles provisions prescribing the method to be followed in determining the exact date to be assigned, for the purposes of the Law of Priority, to any given book. It would be useful, however, if the Commission were now to deal with the position which arose when two competing names were found to have been published in different books on the same date.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles prescribing that, where two books, each containing a different name for the same taxonomic unit or the same name for different taxonomic units are published on the same day or, under the decisions taken by the present (Paris) Congress, are to be treated as having been so published, by reason of the exact date of publication of the books concerned being unknown, the question as to which of the two names is to be given priority over the other is to be referred to the International

Commission on Zoological Nomenclature for decision. a

24. In the course of the discussion regarding the relative priority to be accorded to identical names published on the same day in different works recorded in the im- mediately preceding Conclusion, a discussion took place also on the cognate question of the provisions in Article 28 in its application to different names published for the same species, or the same name published for two or more different species, in the same book. It was generally agreed that the present wording of this Article was unsatisfactory. At the same time the view was expressed that it was desir-

(Later reference: Paris Session, 12th Meeting, Conclusion 17)

Article 22

(Dr. Jacot’s proposal that this article be deleted)

Article 23 (proposal by the American Malacological Union that this Article be deleted)

Article 1 and Articles 34& 35: co-ordination of, in relation to the names of species transferred from the Animal Kingdom to the Vegetable Kingdom

International Commission on Zoological Nomenclature.

able that consideration should be given to the practical difficulties involved in applying the first reviser ”’ principle laid down in that Article and that in this connection an examination should be made of the relative advantages on the one hand of retaining the first reviser ”’ principle and on the other of substituting for this provision a provision prescribing that in such cases relative priority should be determined in accordance with the principle of page precedence.

At the conclusion of the discussion, THE COMMISSION agreed :— to invite the Secretary to make a study, in the light of the foregoing discussion, of the problems involved in Article 28 and to submit a Report thereon, with recommendations, at the earliest possible moment.

25. THE COMMISSION had under consideration a proposal (file Z.N.(8.)12) submitted by the late Dr. Arthur P. Jacot (U.S.A.) that Article 22 should be deleted from the Reégles and that in its place there should be inserted a Recommandation that authors’ names should not normally be cited (see Jacot, 1945, Bull. zool. Nomencl., 1: 90), together with a counter-proposal submitted by the Secretary in the first part of Point (50) in Commission Paper I.C.(48)15.

THE COMMISSION agreed :— to reject the proposal in regard to Article 22 submitted by the late Dr. Arthur P. Jacot.

26. THE COMMISSION had under consideration a Resolution (file Z.N.(S.)142) adopted by the American Malacological Union urging the deletion from the Regles of Article 23 (see Robertson, 1945, Bull. zool. Nomencl., 1: 93), together with a counter-proposal submitted by the Secretary in the second part of Point (50) in Commission Paper I.C.(48)15.

THE COMMISSION agreed :—

to reject the proposal in regard to Article 23 submitted by the American Malacological Union.

27. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that with the consideration of Point (50): in Commission Paper I.C.(48)15, the Commission had concluded their examination of all the proposals affecting the interpretation of the Régles published in Part 5 of Volume 1 of the Bulletin of Zoological Nomenclature with the exception of a proposal (file Z.N.(S.)155) submitted by

(Previous reference: Paris Session,

6th Meeting, Conclusion 1)

Article 25 (authorship of nomina nuda and manuscript names when first

validly published with an

** indication ”)

(Previous reference : Paris Session,

6th Meeting, Conclusion 18)

9th Meeting, Paris, July, 1948. 259 himself (Hemming, 1945, Bull. zool. Nomencel., 1: 103-106) on the interpretation of Article 34 in relation to the pro- visions in regard to the status of names of genera which were originally described as belonging to the Animal King- dom but were later transferred to the Vegetable Kingdom. There was no real doubt, on any reasonable interpretation of the wording actually used in the substantive French text, that paragraph (3) of Article 1 (though a poorly-drafted provision) governed Article 34 and therefore that, where a genus, originally described as belonging to the Animal Kingdom, is later transferred to the Vegetable Kingdom, the generic name published for that genus retains its original status in zoological nomenclature for the purposes of the Law of Homonymy (Article 34). It would be well, however, to take advantage of the present clean-up of the Regles to make this clear. The same principle should be made clear also in relation to the application of paragraph (3) of Article 1 to Article 35 (i.e. to the Law of Homonymy in relation to specific names and specific trivial names).

THE COMMISSION agreed to recommend :—

(1) that the provisions contained in the concluding portion of Article 1 should be redrafted, so as to bring out more clearly that those provisions were concerned with the status in zoological nomencla- ture of the generic and specific names given to a species in the belief that that species belonged to the Animal Kingdom, when later that genus or species was treated as belonging to the Vegetable Kingdom ; . that such drafting amendments should be made in Article 34 (generic homonymy) as might be necessary to ensure that it was consistent with Article 1 and that regard should be paid to the same consideration in the choice of the wording to be employed in the Article which (as agreed at the meeting noted in the margin) is to replace the existing Article 35 (specific homonymy).

28. THE COMMISSION had under consideration a proposal (file Z.N.(S8.)352) regarding the authorship to be attributed to a name, when first published with an “indication,” in cases where the name in question had, prior to being so published, been either a nomen nudum or a manuscript name, together with a proposal in regard thereto submitted by the Secretary in Point (51) in Commission Paper I.C.(48)15.

THE COMMISSION agreed to recommend :—

that words should be inserted either in Article 25 or some other part of the Régles to make it clear that,

bo

260 International Commission on Zoological Nomenclature.

Article 30 (interpretation of Rule (g))

(Previous reference: Paris Session,

6th Meeting, Conclusion 72)

Title to be given to the Regles as amended by the present Congress

when a name is validly published in conditions which satisfy the provisos to Article 25 and the name in question accordingly acquires rights under the Law of Priority and, prior to being so published, that name had either been published as a nomen nudum or had been a manuscript name, the name is to be attributed to the author by whom it was first published in conditions which satisfied the requirements of the said provisos to Article 25 and not to the earlier author by whom it had either been published as a nomen nudum or had been given currency as a manuscript name. .

29. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) relating to the interpretation of Rule (g) in Article 30 submitted by the Secretary in Point (52) in Commission Paper I.C.(48)15.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that, since this proposal had been drafted, the point at issue had been dealt with by the Commission, when considering the proposal submitted in Point (11) in Com- mission Paper I.C.(48)12. No action was called for, therefore, on the part of the Commission as regards the present proposal.

THE COMMISSION took note of the above statement.

30. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) relating to the title to be applied to the Régles as revised at the present Congress, submitted by the Secretary in Point (53) in Commission Paper 1.C.(48)15.

THE COMMISSION agreed to recommend :—

(1) that an Article should be inserted in the Regles prescribing :— (a) that the title of the Régles as amended by the Thirteenth International Congress of Zoology at its meeting held in Paris in 1948 shall be the Régles Internationales de la Nomenclature Zoologique, 1901-1948 ;

(b) that the foregoing Régles may be referred to by the short title “‘ Regles, 1901-1948 ;

(2) that a provision should be inserted in the Régles revised as in (1)(a) above, repealing the Régles previously in force as from the date on which the revised Reégles come into force.

Addition of a further Schedule or Schedules to the Regles for recording decisions by the Commission on the invalidity of books

or names °

(Later reference : Paris Session, 12th Meeting, Conclusion 19)

Words having the terminations

widae and

winae”’: restriction on use other than for names of families and subfamilies

9th Meeting, Paris, July, 1948. 261

31. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) regarding the method in future to be adopted: for recording decisions taken by the Com- mission either (1) that a given work is not available or (2) that a given name or class of name (for example the class of name dealt with in Opinion 124) is not available, submitted by the Secretary in Point (54) in Commission Paper 1.C.(48)15.- .

THE COMMISSION agreed to recommend :—

(1) that decisions taken by the International Com- mission on Zoological Nomenclature (a) that a given book is not available for nomenclatorial purposes or (b) that a given name is not available should be recorded in a further Schedule or, if found more convenient, in two further Schedules to be attached to the Régles ;

that it should be left to the jurists to determine the order in which the several] Schedules to the Regles should be arranged.

(2

~~

32. THE COMMISSION had under consideration a proposal (file Z.N.(8.)200) submitted by Commissioner H. Boschma (Netherlands) proposing an amendment to the Regles to secure that words having the terminations -idae and -inae,” prescribed in Article 4 as the terminations for the names of families and subfamilies, shall not be used either (1) as names for suprageneric groups other than those respectively specified in Article 4 or (2) as names of genera or of units of lower rank, except where such a termination is required for a trivial name formed in the first declension in the genitive singular. At the same time also the Com- mission had before them a proposal on this subject sub- mitted by the Secretary in Point (55) in Commission Paper 1.C.(48)15. In his application on this subject, Com- missioner Boschma referred to the highly objectionable practice adopted by certain authors in coining names of the above kind as the names (for example) of sections of sub- families and cited in this connection the use by Hancock (1906) of the name Bufonidae as the name of a section of the subfamily Tetriginae of the family ACRIDIDAE (Class Insecta, Order Orthoptera).

THE COMMISSION agreed to recommend :—

that provisions should be inserted points in the Régles:—

(a) prohibiting the use of words having either the

termination -idae or the termination “nae”

as the names of suprageneric groups other than

at appropriate

bo for) bo

Article 12 (redrafting of, to eliminate confusion between taxonomy and nomenclature)

Article 7 (redrafting of, to eliminate confusion between taxonomy and nomenclature)

International Commission on Zoological Nomenclature.

families or, as the case may be, subfamilies, and invalidating such names when published for such purposes ;

(b) prohibiting the use of words having either of the terminations specified in (a) above as the names either (i) of genera or (ii) of taxonomic units of lower rank and invalidating such names when published for such purposes, save in the case of a trivial name which consists of the name of a place or personage of which the nominative singular has the termination -ina or ‘‘-ida,” cited in the genitive singular (as, for example, the trivial name catharinae).

33. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) for the redrafting of Article 12 of the Reégles in such a way as to eliminate the confusion between taxonomic ideas and nomenclatorial facts which at present marred that Article, submitted by the Secretary in Point (56) in Commission Paper I.C.(48)15.

THE COMMISSION agreed to recommend :—

that Article 12 of the Régles should be redrafted on the following lines :—

When a specimen or specimens originally des- cribed as representing a species is or are treated by a later author as representing a subspecies, the name published as the specific trivial name of the species becomes the subspecific trivial name of the subspecies, and vice versa.

34. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) that Article 7 should be redrafted to eliminate the confusion between taxonomy and nomen- clature implicit in the present wording, submitted by the Secretary in Point (57) in Commission Paper I.C.(48)15.

THE COMMISSION agreed to recommend :—

that Article 7 of the Régles should be redrafted on the following lines :—

When a species or group of species originally described as constituting a genus is treated by a later author as constituting a subgenus, the name published as the generic name for the genus becomes the subgeneric name of the subgenus, and vice versa.

Articles 6& 11: co-ordination of texts

Articles 19 & 32: co-ordination of texts

(Previous reference: Paris Session,

ith Meeting, Conclusion 12)

Article 8: (amendment of provision

proposed in replace- ment of second “Recommandation”

9th Meeting, Paris, July, 1948. 263

35. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) that the discrepancy between the wording employed in the parallel Articles 6 and 11 of the Regles (a discrepancy which was undoubtedly due to inadvertence in drafting) should be rectified by amending Article 6 so as to bring the wording used in that Article into line with that employed in Article 11, submitted by the

Secretary in Point (58) in Commission Paper I.C.(48)15.

THE COMMISSION agreed to recommend :—

that, in order to bring the texts of Articles 6 and 11 into line with one another, the words “et recom- mandations ’” should be inserted in Article 6 after the word régles.”

36. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled at this point that among the proposi- tions submitted by Professor Pierre Bonnet (France) was one which also related to the formal co-ordination of two Articles of the Reégles, which he suggested might be con- veniently considered by the Commission at the present point. This proposition (file Z.N.(S.)352) aimed at securing that words should be inserted in the Regles to make it clear that Article 32 did not impose any limitation on the generality of the provisions of Article 19 of the Regles.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to ensure the co-ordination of Articles 19 and 32 by making it clear that nothing in the last-named Article detracts from the generality of the provisions of Article 19.

37. THE COMMISSION had under consideration a proposal (file Z.N.(8.)253) submitted by Professor L. W. Grensted (United Kingdom) that Recommandation (2)(b) to Article 8, relating to the formation of a compound name where the words used in forming that compound name are of

Greek origin, should be amended so as to eliminate the

sentence condoning the formation of such a name inan incorrect manner, such a sentence being unnecessary and inappropriate in a non-mandatory provision such as a Recommandation. It was bad enough to have such a generic name as Hippopotamus which Linnaeus. had presumably thought meant a river-horse but which, in fact, through being incorrectly formed, meant a horse- river,” but it was intolerable that an incorrectly formed name of this kind should be gratuitously referred to in a provision which was ostensibly concerned only to show the correct manner of forming compound names. At the same

264 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session,

9th Meeting, Conclusion 15)

(For a proposed addition to this

“© Recommandation ”’, See Paris Session, llth Meeting, Conclusion 20)

time the Commission had before them a proposal on the same subject submitted by the Secretary in Point (59) in Commission Paper I.C.(48)15.

It was pointed out in discussion that, since the foregoing proposals had been formulated, the Commission had agreed - to recommend that the Recommandations to Article 8 should be converted into mandatory provisions. This decision made it necessary that in the interest of stability in nomenclature words should be inserted to preserve compound names consisting of words of Greek origin, even when formed in a totally incorrect manner (as in the case of the name Hippopotamus). It was suggested that this end might best be secured by confining to a bare enumeration of the permissible types of generic names the portions of Recommandation (2) to be made mandatory and by retaining as Recommandations the comments included in the present provision in regard to certain of the types of names there enumerated.

THE COMMISSION agreed to recommend :—

(1) that, when, as agreed at the meeting noted in the margin, the second of the two Recommandations to Article 8 was redrafted as a mandatory pro- vision, that provision should be confined to a bare enumeration of the types of words there listed as words admissible for selection as generic names, together with appropriate examples, and that the comments which were at present attached to, or which at present constitute, items (a), (b )x(e)s (f), (bh), (8), (€) and (4), (i), (j) should be given as Recommandations attached to the provisions relating to the items concerned ;

(2) that, in the case of category (b), the whole of the existing comment should be deleted, namely, the words “in which the attributive should precede the principal word,’ the examples cited im- mediately thereafter and the whole of the following paragraph (“This does not . . Biorhiza’’) and that, in place thereof, there should be inserted a Recommandation on the following lines :—

Where a name consisting of a compound word is formed from words of Greek origin, the attribute should, if it expresses a quality, precede the principal word, but where it ex- presses either an action or an activity or a state, may either precede or follow the word with which it is conjoined.

Articles 34& 35: relative precedence to be given to generic and subgeneric homonyms and to specific and subspecific homonyms of the same date

(Previous reference: Paris Session,

6th Meeting, Conclusion 1)

Article 36 (re-allocation to Articles 34 and 35 °

Recommanda- tions ”’)

Previous reference : Paris Session,

6th Meeting, Conclusion 1)

(Previous reference: Paris Session,

9th Meeting, Conciusion 9)

Ih Meeting, Paris, July, 1948, 265

38. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) for the conversion into a mandat- ory provision of the addition relating to the relative precedence to be accorded to homonyms of identical date made to Article 36 by the XIth International Congress of Zoology at Padua in 1930 which at present appears as a Recommandation, submitted by the Secretary in Point (60) in Commission Paper I.C.(48)15.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) pointed out that this provision was totally valueless in the form of a Recommandation only, and that it was only if it became a mandatory provision that it could have any practical utility. That this provision appeared in the Régles as a Recommandation and not

as a mandatory provision might well be due to editorial

inadvertence, for it was expressly stated in the Commission’s Opinion 124, which dealt with another aspect of the same

* matter, that the provision in question was an amendment

to Article 36’, a statement which would not have been correct if this provision had been no more than a Recom- mandation. In any case this Recommandation was quite inappropriately placed in Article 36, to which it was unrelated in subject.

THE COMMISSION agreed to recommend :— that the provision relating to homonyms of identical date added by the Eleventh International Congress of Zoology to Article 36 in the form of a Recomman- dation should be converted into a mandatory provision and that the portion concerned with generic and subgeneric names should be related to Article 34 and

' that concerned with specific and subspecific trivial names to Article 35, when the last-named Article was redrafted in accordance with the decision already taken at the meeting noted in the margin.

39. Arising out of the discussion recorded in Conclusion 38 above, THE COMMISSION agreed to recommend :—

(1) that, when Article 36 was redrafted in accordance with the decision taken at the meeting noted in the margin, the provisions which at present appear as Recommandations attached to that Article should, subject to any necessary drafting amendments, be allocated respectively to Article 34, so far as generic names are concerned, and to Article 35, so far as trivial names are concerned ; that, consequential upon the recommendation agreed to be submitted to give effect to a correction made in Article 4 by the Eighth International

(2)

266 International Commission on Zoological Nomenclature.

Status of certain alleged subgeneric names: completio of decision given in Opinion 124 (Later reference : Paris Session,

llth Meeting, Conclusion 9)

(Later reference: Paris Session, 13th Meeting Conclusion. 2)

Congress of Zoology at its meeting held at Graz

in 1910, a corresponding correction (by the substi-

tution of the word théme”’ for the word radical ’’)

should be made in the third and fourth of the

unnumbered Recommandations at present attached to Article 36.

40. THE COMMISSION had under consideration a

n Proposal (file Z.N.(S.)394) for the completion of the decision

regarding the status of certain terms, published in circum- stances which had something of the appearance of giving to those names a subgeneric status recorded in Opinion 124, submitted by the Secretary in Point (61) in Commission Paper I.C.(48)15.

THE ACTING PRESIDENT - (MR. FRANCIS HEMMING) said that this question, which had first been raised by Dr. Ashley B. Gurney (U.8.A.), was one of a number which arose in connection with the failure of the Commission on some occasions in the past to deal in their Opinions with the whole of a given problem submitted to them for decision. A proposal for dealing with this anomaly had been received from Commissioner H. Boschma (Netherlands) and would be brought before the Commission at a later meeting. In the case of Opinion 124, the defect which required to be rectified was that, as worded, that Opinion applied only to terms of the class in question (alleged subgeneric names), as published by Linnaeus in the 10th edition of the Systema Naturae, whereas the decision in that Opinion should have covered the use of such terms in all the works of Linnaeus, for, when he used such terms in other works, he always did so in a sense similar to that adopted in the 10th edition of the Systema Naturae. It was desirable also that, when the Commission made this correction, they should extend the decision in regard to the use of the terms in question by Linnaeus to cover the use of the same or similar terms by Fabricius (J.C.), who in this matter had followed a practice exactly parallel to that adopted by Linnaeus.

THE COMMISSION agreed :—

(1) that, where in any of his works (and not merely in the 10th edition of the Systema Naturae) Linnaeus, when citing the name of a species, placed an intermediate term or intermediate terms between the name of the genus and the trivial name of the species, an intermediate term so used was not to be treated as having thereby acquired the status of a subgeneric name as from the date of being so published ;

9h Meeting, Paris, July, 1948, 267

(2) that the decision set out in (1) above applies also to intermediate terms placed between the generic name and the trivial name of a species by Fabricius (J.C.) in any of his works ;

(3) to render an Opinion recording the decision speci- fied in (1) and (2) above.

fra i ac Bl 41. THE COMMISSION had under consideration a cology”: status Proposal (file Z.N.(S.)352) that a provision should be inserted of names placed on jn the Reégles clarifying the status of a generic name, once it has been placed on the Official List of Generic Names in Zoology ’’, submitted by the Secretary in Point (62) in

Commission Paper I.C.(48)15.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) observed that the object of this proposal was to lay down clearly the status of a generic name once it was placed on the Official List of Generic Names in Zoology ’’. This proposal did not prejudge in any way the general investigation into the problem of finding ways and means | for stabilising zoological nomenclature, which at their 4 ne meeting held that morning the Commission, at the request Sth Meike of the Section on Nomenclature, had undertaken to carry Conclusion 4) out before the next meeting of the Congress. All that the present proposal did was to provide a breathing space between the time when a mistake in the Official List was detected and the time when action was taken to correct that mistake.

THE COMMISSION agreed :—

(1) to recommend that there should be inserted in the Régles provisions :—

(a) prescribing that, for the purpose of pro- moting the stabilisation of generic nomen- clature, there shall be an Official List of Generic Names in Zoology ’’, on which shall be inscribed the following classes of generic name, each name being accompanied by the name of the type species of the genus concerned and particulars as to the manner in which that species was so designated, indicated, or selected :—

(i) every generic name validated by the Commission under its plenary powers or for which the type species has been similarly designated ;

68 International Commission on Zoological Nomenclature.

(ii) the name of every genus, when an available name, in respect of which or its type species the Commission has rendered an Opinion ;

(iii) the name of any genus which the Commission, in consultation with specialists coricerned, considers it desirable to stabilise ;

(b) directing that, when a generic name has

(c)

been placed on the Official List’, that name is to be used, in preference to any other name, for the species which is the type species of the genus so named, save that, where, as agreed at the meeting noted in the margin, the Commission, in order not to appear to prejudge a purely taxonomic question, place on the Official List ”’ the names of two or more genera, the respective type species of which are regarded by some systematists as belonging to differ- ent genera but by others as being con- generic with one another, the later pub- lished of the two generic names in question is for use only by those workers who regard the respective type species of the two genera concerned as not being congeneric with one another ;

specifying that, where a generic name belonging either to the second or the third of the classes specified in (a) above is found, after having been placed on the Official List’, either (1) not to be an available name or (2) not to be the oldest name available, there being an older name for a genus having as its type species a species either subjectively identified with, or subjectively regarded as being congeneric with, the type species of the genus the name of which has been placed on the Official List or (3) to have as its type species some species other than the type species attributed to it in the Official List’, the generic name in question is nevertheless not to be discarded in favour of some other name or used in a sense different from that specified in the Official List”, unless and until the Commission, on having the facts laid before it, shall so direct ;

Official List of Specific Names in Zoology ”: establishment of, and status of names placed on

(For a decision. to alter the title of thia “* Official List,”

see Paris Session, llth Meeting, Conclusion 5) _

9th Meeting, Paris, July, 1948. 269

(d) prescribing any other provisions relating to the Official List’ which the present Congress may enact in regard to the said * Official List ”’ ;

(e) laying it down that it is the duty of the International Commission on Zoological Nomenclature to maintain the said “Official List’ and to foster its development by every means in its power ;

(2) agreed that the duties imposed upon the Commission in (1) above should be specified in the By-Laws of the Commission when revised in the light of the decisions taken by the present (Paris) Congress.

42. THE COMMISSION had under consideration a proposal (file Z.N.(G.)48), that there should be established an Official List of Trivial Names in Zoology parallel to the Official List established for generic names by the Ninth International Congress of Zoology at its meeting held at Monaco in 1913, submitted by the Secretary in Point (63) in Commission Paper I.C.(48)15.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) pointed out that, although the Plenary Powers Resolution adopted by the Congress in 1913 applied both to generic names and to trivial names, the Official List established by the Congress at the same meeting was concerned only with generic names. This was an anomaly which should be corrected. The Official List of Trivial Names now proposed would be an exact parallel of the existing “Official List of Generic Names in Zoology and the status of names placed on these Official Lists would be subject to similar regulations. A reference to the new Official List would be needed in the body of the Régles. A parallel reference would be needed also in the By-Laws of the Commission, when revised in the light of the decisions taken by the present Congress.

In the discussion which ensued, general agreement was expressed with the proposal that there should be established an Official List of the kind proposed. It would provide a valuable means both for recording decisions taken by the Commission in regard to the names of particular species and also for stabilising the names of important species. The view was expressed however that it might be better if this Official List ’’ were given the title of Official List of Specific Names in Zoology” rather than the title of Official List of Trivial Names in Zoology ”,

270 International Commission on Zoological Nomenclature. THE COMMISSION :— (1) agreed to recommend the insertion in the Reégles of provisions prescribing :

(F 0 (a) that there should be an Official List of may Oifieiae , ees Specific Names in Zoology ”’, parallel to the here established, see Official List of Generic Names in Zoology”’, Paris Session, on which should be inscribed the oldest

llth Meeting,

Ongclibeon 5} available trivial name of any species, the

specific name of which it was desired should be stabilised, together with the generic name, in combination with which the trivial name in question was originally published ;

that the status of a specific name, once placed on the Official List of Specific Names in Zoology” shall be subject to regulations similar to those prescribed for the status of generic names placed on the “* Official List for Generic Names in Zoo- logy”, that is to say, a specific name once stabilised in this way is to be used in preference to any other name for the species in question and the trivial name in question is not to be replaced by any other trivial name, even if later it is found either (1) that the trivial name in question is not an avail- able name or (2) that it is not the oldest available trivial name for the species in question, unless, and until, on the facts being laid before the Commission, the Com- mission shall so direct ;

(c}) that the names to be included in the Official List of Specific Names in Zoology should include :—

(i) every name validated by the Com- mission under its plenary powers ;

J ~—

(ii) any name, being an available name, on which the Commission has at any time rendered an Opinion ;

(iii) the name of the type species of any genus, the name of which is placed on the Official List of Generic Names in Zoology”, save where such a name is not, either objectively or subjectively, the oldest available name for the species in question, in which case there shall be added to the Official List of Specific Names in

Official List of Generic Names in Zoology : additional provision relating to

Tenth Meeting of the Commission during its Paris Session: date and time noted

(Previous reference: Paris Session,

8th Meeting, Conclusion 7)

VOL. 4S

9th Meeting, Paris, July, 1948. 271 Zoology the oldest available name for the taxonomic species concerned ;

(iv) the oldest available name for :—

(1) species of importance in medicine, agriculture, veterinary science and other fields of applied biology, in stratigraphy and in the teaching of zoology ;

(2) species, the nomenclature of which the Commission, in consultation with specialists concerned, consider it desirable to stabilise ;

(d) that the insertion on the Official List of a given specific name is not to be interpreted as an expression of opinion on the taxonomic question whether the animal so named should be regarded as being on the one hand a distinct species or on the other hand a subspecies of some other species ;

that it is the duty of the International

Commission on Zoological Nomenclature to

maintain the said Official List” and to

foster its development by every means in its power ;

(2) agreed that the duties imposed upon the Commis- sion in (1) above should be specified in the By- Laws of the Commission, when revised in the light of the decisions taken by the present (Paris) Congress.

(e

~—

43. Arising out of the discussion in regard to the scope of the proposed Official List of Specific Names in Zoology” recorded in Conclusion 42 above, THE COMMISSION agreed to recommend :—

that the recommendation specified in Conclusion 42(1)(c)(iv)(1) above in relation to names to be admitted to the Official List of Specific Names in Zoology should be applied also in relation to the Official List of Generic Names in Zoology.”

44. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) proposed that, now that the Commission had completed their examination of the recommendations submitted in Commission Paper I.C.(48)15, they should adjourn until the next day. As already announced, their next meeting, which would be held concurrently with the second meeting of the Section on Nomenclature, would take place on the morning of the following day (Saturday, 24th July, 1948) at 0900 hours.

THE COMMISSION took note of the above statement. (The Commission thereupon adjourned at 2315 hours).

INTERNATIONAL COMMISSION on ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth International Congress of Zoology, Paris, 21st-27th July, 1948

CONCLUSIONS of the Tenth Meeting held at the Sorbonne in the Amphithéatre Louis-Liard on Saturday, 24th July, 1948, at 0900 hours

(Meeting held concurrently with the Second Meeting of the Section on Nomenclature)

PRESENT :

Mr. Francis Hemming (United Kingdom) (Acting President) Professor L. di Caporiacco (Italy)

Dr. E. Hindle (United Kingdom)

Professor Harold Kirby (U.8.A.)

Mr. N. D. Riley (United Kingdom)

Professor V. van Straelen (Belgium)

Professor Robert L. Usinger (U.S.A.)

The following were also present :

M. J. Aubert (Switzerland)

Professor Pierre Bonnet (France)

Dr. E. A. Chapin (U.S.A.)

M. André Chavan (France)

M. Georges Deflandre (France)

Mme. Marthe Deflandre-Rigaud (France) Mr. C. F. dos Passos (U.8.A.)

Professor E. Fischer-Piette (France)

M. H. Gisin (Switzerland)

Professor R. Jeannel (France)

Dr. P. Jespersen (Denmark)

Dr. Henning Lemche (Denmark)

Mr. T. C. S. Morrison-Scott (United Kingdom) Dr. H. H. J. Nesbitt (Canada)

Mr. C. D. Radford (United Kingdom) Miss Louise Russell (U.S.A.)

M. J. Segal (U.S.8.R.)

Mrs. M. F. W. Hemming, Personal Assistant to the Secretary Miss J. H. Shorey, Acting Documents Officer

Nomenclature of supergeneric groups below family level : communication by Prof, R. Jeannel

(Previous reference: Paris Session,

6th Meeting, Conclusion 11)

Nomenclature of families and sub-families :

Prof. R. L. Usinger’s

communication

(Previous reference: Paris Session,

6th Meeting, Conclusion 11)

The concepts grade” and pseudo-genus : communication by

M. G. Deflandre

10th Meeting, Paris, July, 1948. 273

1. THE COMMISSION, jointly with the Section on Nomenclature, had under consideration a communication (file Z.N.(S.)357) submitted by Professor R. Jeannel (France) on the subject of the nomenclature of supergeneric groups below the family level’.

THE COMMISSION agreed :—

that the problem of the nomenclature of supergeneric groups submitted by Professor R. Jeannel should be included among the matters to be dealt with in the Report on the problems arising in connection with Family and Sub-Family names which it had been agreed at the meeting noted in the margin the Secre- tary to the Commission should be invited to prepare for consideration by the Commission at their meeting to be held during the next (XIVth) meeting of the Congress.

2. THE COMMISSION, jointly with the Section on Nomenclature, were informed by Professor Robert L. Usinger (U.S.A.) that he did not now propose to make the communication (file Z.N.(S.)357), of which he had given notice, for, as this was concerned with the rules governing the nomenclature of families, it could, he thought, better be treated as forming part of the documentation which would form the basis of the Report by the Secretary, to which reference had just been made.

THE COMMISSION agreed :—

that the paper on the nomenclature of families and subfamilies by Professor E. Gorton Linsley and Professor Robert L. Usinger which had been received from Professor Usinger should form part of the mater- ial to be studied by the Secretary to the Commission in preparing the Report which at the meeting noted in the margin the Commission had asked him to furnish for their consideration at their meeting to be held at the next (XIVth) meeting of the Congress.

3. THE COMMISSION, jointly with the Section on Nomenclature, had under consideration a communication® submitted by M. Georges Deflandre (France), in which the applicant asked that the Reégles should be amended to provide recognition of the concepts grade” and pseudo- genus ”’ (file Z.N.(8.)363).

* For the text of the communication made by Professor Jeannel, see pages 164-165 in Volume 3 of this journal, and for the record of the discussion in the Section on Nomenclature, see pages

28-29 in Volume 5.

_ * For the text of the communication made by M. Deflandre, see page 166 of Volume 3 of this journal, and for the record of the discussion in the Section on Nomenclature, see pages 30-31

in Volume 5. VOL. 4

274

(Later reference: Paris Session, 1lth Meeting, Conclusion 13)

Fragments (organites and sclerites) of fossil invertebrates : communication by M. G. Deflandre and Mme. M. Deflandre- Rigaud

(Later reference: Paris Session, L1th Meeting, Conclusion 14)

Arachnid names published in Clerck, 1757 : proposal to make available : pre- liminary discussion

International Commission on Zoological Nomenclature.

THE COMMISSION agreed :—‘ to take into consideration as soon as possible the proposal that recognition should be given in the Regles to the concepts “‘ grade and pseudo-genus ”.

4, THE COMMISSION, jointly with the Section on

Nomenclature, had under consideration a communication

-submitted by M. Georges Deflandre and Mme. Marthe

Deflandre Rigaud (France)®, in which the applicants asked that the Regles should be amended so as to recognise a new system of terminology—the terms concerned to be those used in the Roman military hierarchy—for use for frag- ments (organites and sclerites) of certain fossil invertebrates (file Z.N.(S.)364). THE COMMISSION agreed :—

to take into consideration as soon as possible the

proposal that recognition should be given in the

» Regles for a new system of terminology for use for

fragments (organites and sclerites) of certain fossil

invertebrates.

5. THE COMMISSION, jointly with the Section on Nomenclature, had under consideration a communication submitted by Professor Pierre Bonnet (France)!° and similar communications received from M. Maurice Thomas (Belgium), in which the applicants asked that the Commis- sion should make available nomenclatorially the generic name Araneus and the trivial names published for certain Arachnid species by Clerck in his Aranei svecici, notwith- standing the fact that those names were published in 1757, i.e. prior to the date prescribed as the starting point of zoological nomenclature in Article 26 of the Régles (file Z.N.(S.)238).

PROFESSOR PIERRE BONNET (FRANCE) said that the proposal which he laid before the Commission was one of the utmost importance in the study of Arachnology. That proposal aimed at securing an exception to the pro- visions of Article 26 in favour of the Arachnid names pub- lished by Clerck in 1757, the year prior to the starting point of zoological nomenclature as prescribed by that Article. The precise form of the method to be adopted to secure this end was of indifference to himself and was primarily a matter for the Commission to: determine. What was essential was to provide authority for the use of the names published by Clerck, for these names were used by the great majority of Arachnologists, and great confusion would result if an attempt were made to apply to the species

* For the text of the communication made by M. and Mme. Deflandre, see page 167 of Volume 3 of this journal, and for the record of the discussion in the Section on Nomenclature, see pages

31-32 of Volume 5.

_ For the text of the communication made by Professor Bonnet, see pages 173-176 of Volume 3, and for the record of the discussion in the Section on Nomenclature, see pages 33-

35 of Volume 5.

10th Meeting, Paris, J uly, 1948, 275

concerned the later names properly applicable thereto under the Régles. In many cases it was a matter of doubt what were the alternative names which should strictly be used, and in consequence the small minority of specialists who did not use the Clerckian names had found it necessary to cite not only the names which they believed to be the correct names under the Regles but also the corresponding Clerckian hames, as it was only by so doing that they could ensure that Arachnologists reading their works would understand to which species they were referring. The 54 Species named by Clerck were the commonest European species and prior to the adoption of the Regles the great majority of these names had been in universal use. It had been a grave error on the part of the authors of the Regles not to provide an exception in Article 26 in favour of the Clerckian names, notwithstanding the fact: that they had been published one year prior to the date selected in the Reégles as the starting point of zoological nomenclature. The application now submitted to the Commission in favour of action which would render the Clerckian names available was based upon a consultation which had been carried out with the 62 specialists in different parts of the world who today consti- tuted the entire body of workers in the field in question. Of these specialists 54 had furnished statements of their views: 48 of these specialists had expressed themselves as being in favour of the present petition ; 4 were opposed to it; 2 had considered themselves not sufficiently exper- lenced to justify them in expressing an opinion. Of the 8 specialists who had not replied, 6 were nationals of countries with which for political reasons communication was difficult and their silence should certainly not be interpreted as indicating a desire on their part to abstain from voting on the present application. It would be seen therefore that there was an overwhelming consensus of opinion on the part of interested specialists in favour of the present application. -In returning a favourable reply to the present application, the International Commission on Zoological Nomenclature would give much satisfaction to the great majority of the specialists interested in this group who al- ready used the names published by Clerck and were anxious that this usage should now be officially approved. Such a decision would give satisfaction also to almost all of the small minority who did not at present use the Clerckian names but who had expressed themselves as most anxious to do so, if official approval were to be given to this course. The grant of the present application by the Commission would confer a signal benefit on the nomenclature of Arachnology and would redound greatly to the honour of the nomen- claturists of 1948,

(Later reference: Paris Session, 12th Meeling, Conclusion 10)

International Commission on Zoological Nomenclature.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the subject matter of the present application had constituted a serious problem in the group concerned long before the present Régles were adopted. It had not been found possible in the Régles to provide an exception in favour of Clerck’s Arachnid names and in consequence it had not been possible to make any progress in this matter in the period between 1901, the year in which the Régles were adopted, and the year 1913, when the Congress had granted plenary powers to the Commission to suspend the Régles in cases where they were satisfied that greater confusion than uniformity would otherwise ensue. It was unfortunate that this case, which was admitted by all to be one of great importance to specialists in the group concerned had not long ago formed the subject of an appli- cation for the use by the Commission of their plenary powers. The long delay which had occurred in submitting such a request naturally made the problem more difficult of solution. Moreover, if the Commission were now to find it possible to grant the request submitted, they would equally have been able to so do thirty years before. Thus, the delay had caused also quite unnecessary inconvenience to all students of the group concerned and the expenditure of much unnecessary time on discussion of a question which could readily have been settled in one sense or another a generation earlier.

Continuing, the Acting President said that, in view of the exceptional interest of this case and of the special features which it presented, he considered that the best course would be to defer its further consideration until a later meeting of the Commission, in order to allow everyone who had heard Professor Bonnet’s presentation of the case to consider the issues involved. He accordingly proposed that this application should be considered at a later meeting of the Commission to be held joimtly with the Section on Nomenclature. In the meanwhile, he proposed to hand the dossier relating to this case to Professor di Caporiacco, - whom he would call upon to make a further explanatory statement at the opening of the meeting when this matter was next considered.

THE COMMISSION agreed :—

to defer further consideration of the application that they should use their plenary powers to make available nomenclatorially the names published for certain taxonomic units in the Class Arachnida by Clerck in 1757, prior to the date fixed by Article 26 of the Reégles as the starting point of zoological nomenclature until

Report to be submitted by the Commission to the Congress on the work performed during its

Paris Session

10th Meeting, Paris, July, 1948. 277

a later meeting to be held jointly with the Section on Nomenclature on Monday, 26th July, 1948.

6. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that he had originally expected that it would be necessary to ask the Commission, as also the Section on Nomenclature, to meet again that afternoon and perhaps also in the evening. Both the Commission and the Section had, however, made such good progress in the consideration of the matters requiring their attention that it would not now be necessary to ask either body to meet again before the weekend. That this should be so would, he felt sure, be welcomed by the members of the Commission and the Section, some of whom, no doubt, desired to attend the function organised for that afternoon by the authorities of the Congress. A day and a half’s break in the meetings of the Commission would also be most valuable to himself (the Acting President), for it would provide him with an opportunity to prepare the draft of the Report to be sub- mitted by the Commission to the Congress on their work during their Paris Session, which, in his capacity as Secretary to the Commission, it was his duty to prepare for the consideration of the Commission. He proposed that, as on former occasions, the first part of the Report should be devoted to giving a succinct account of matters relating to the work and personnel of the Commission which had been dealt with since the last meeting of the Congress, including particulars in regard to such matters as changes in the membership of the Commission, together with the proposals of the Commission for the filling of certain of its offices which would fall vacant at the close of the present Congress, and for the filling of vacancies in the membership of the Commission arising from the completion of the term of service of the Class 1949. Second, he proposed that the Report should set out the proposals of the Commission for the reform of.their composition and of their procedure and matters connected therewith. Finally the Report should deal with the question of the reforms which it had been agreed to recommend should be made in the Reégles. It would not be necessary to refer in detail to the numerous minor changes which it had been agreed to recommend, for these had all been agreed with the Section on Nomenclature, to which, jointly with the Commission, the Congress looked “for advice in such matters. It was however, desirable that the Report should give a general picture of the reforms pro- posed and in particular that it should refer specifically to the more important features of those reforms.

Turning to tne question of the procedure to be adopted in considering the draft Report, the Acting President

278 International Commission on Zoological Nomenclature.

Eleventh Meeting of the Commission during its Paris Session: date and time noted

recalled that the following Monday, 26th July, 1948, was the last day on which it would be possible to hold meetings of the Commission and the Section prior to the final Concilium Plenum of the Congress to be held on the morning of the following day, Tuesday, 27th July. In spite of the excellent progress made by the Commission and the Section during the past week, there still remained a large amount of work to be despatched if the full programme was to be carried through to a successful issue. It was essential therefore that the best possible use should be made of the limited amount of working time which still remained. To this end, he (the Acting President) suggested that the draft of the Commission’s Report should be considered first at a meeting to be held jointly between the Commission and the Section on Nomenclature on the morning of Monday, 26th July. This procedure would have the advantage that, while affording the Commission the fullest opportunity for considering the document submitted for their consideration, it would also enable them to obtain the views and advice of the members of the Section on Nomenclature at a stage when their Report was still in draft and changes in wording and emphasis could be made in a way which would not be possible—except with considerable difficulty—if the Report were to be formally adopted by the Commission prior to its being brought before the Section. Under the procedure suggested the Commission would be able to make any changes in the draft Report which they might consider desirable and at the same time to incorporate in that docu- ment any suggestions for its improvement which might have been made during the joint consideration of the draft with the members of the Section. It should be possible in this way to secure the fullest agreement between the Commission and the Section on the Report to be submitted to the Congress and to do so in the promptest and most businesslike manner. At the present stage of the Congress this latter consideration was of great importance, in view of the large number of individual problems of nomenclature still awaiting decision.

THE COMMISSION took note of, and approved, the proposals submitted by the Acting President in regard to the procedure to be adopted in the preparation, and sub- sequent consideration, of the Report to be submitted to the Congress.

7. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) then proposed that the Commission should adjourn for the day. As already announced, the next meeting of the Commission, which, like the present meeting,

10th Meeting, Paris, July, 1948, 279

would be held concurrently with a meeting of the Section, on Nomenclature, would take place on Monday, 26th J uly, 1948. The meeting would start at 0900 hours.

THE COMMISSION took note of the above arrange-

ments.

(Lhe Commission thereupon adjourned at 1210 hours).

( 280 )

INTERNATIONAL COMMISSION on ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth International Congress of Zoology, Paris, 21st-27th July, 1948.

CONCLUSIONS of the Eleventh Meeting held at the Sorbonne in the Amphi- théatre Louis-Liard on Monday, 26th July, 1948, at 0930 hours.

(Meeting held concurrently with the Third Meeting of the Section on Nomenclature.)

PRESENT :

Mr. Francis Hemming (United Kingdom) (Acting President) Professor H. Boschma (Netherlands) Professor J. Chester Bradley (U.S.A.) Professor L. di Caporiacco (Italy) Dr. E. Hindle (United Kingdom) Professor A. R. Jorge (Portugal) Professor Harold Kirby (U.S8.A.)

Dr. Henning Lemche (Denmark) Professor K. Mansour (Egypt)

Mr. N. D. Riley (United Kingdom) Professor R. Spirck (Denmark) Professor V. van Straelen (Belgium) Professor Robert L. Usinger (U.S.A.)

The following were also present :

Dr. E. A. Chapin (U.S.A.)

M. André Chavan (France)

Mr. C. F. dos Passos (U.S.A.)

Mr. T. C. S. Morrison-Scott (United Kingdom} Miss Louise Russell (U.S.A.)

Signor Antonio Valle (Italy)

Mr. R. Winckworth (United Kingdom)

Mrs. M. F. W. Hemming, Personal Assistant to the Secretary

areeer ei a : 1. THE ACTING PRESIDENT (MR. FRANCIS

eg eae o HEMMING) apologised for having kept the meeting waiting. The reason, as the Commission appreciated, was that, although ever since the close of the meeting on Saturday he had been engaged continuously on work in connection with today’s meetings of the Commission and the Section on Nomenclature, he had only just completed the preparations necessary for that purpose.

Programme for the meetings to be held during the day

11th Meeting, Paris, July, 1948. 281

2. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) outlined the procedure which he proposed for the meetings to be held that day. In spite of the excellent progress made at the meetings held during the previous week, there remained a large number of matters awaiting the attention of the Commission. These included a con- siderable number of further proposals for the improvement of the Regles and also a large number of applications relating to individual problems of nomenclature which had been submitted to the Commission for decision. It was impor- tant that decisions should be taken on as many as possible of these applications : first, because the applicants con- cerned, many of whom—owing to the war and other causes —had been waiting for a decision for a number of years, were most anxious to secure a settlement of the problems which they had submitted to the Commission, second, because it was important that the Commission should decide as many of these cases as possible without further delay, in order to demonstrate to zoologists generally that they were capable of reaching definite decisions on cases which had been carefully prepared and properly submitted.

Continuing, the Acting President said that it would be necessary for the Commission—as also thé Section on Nomenclature—to devote to the purpose the whole of the present day and in addition probably to meet again in the evening after dinner. All the meetings to be held that day would, like the present meeting, be concurrent meetings of the Commission and the Section on Nomenclature. This procedure would enable the Commission to reach decisions on the matters awaiting their attention in the presence of the members of the Section and with the assis- tance and advice of any members of the Section who might desire to take part in these discussions. Under this procedure, it would be possible to report to the Section recommendations agreed upon by the Commission directly they had been formulated. He proposed therefore from time to time to adjourn the meeting of the Commission, to enable him, in his capacity as Secretary to the Commis- sion, to report to the Section recommendations and con- clusions reached by the Commission.

THE COMMISSION :—

took note of the programme outlined by the Acting President and approved the proposals which he had submitted in regard to the procedure to be adopted,

282 International Commission on Zoological Nomenclature.

Election of Professor K. Mansour (Egypt)

to be an Alternate Member of the Commission

for the duration

of the Paris Session

(Previous reference: Paris Session, 1st Meeting, Conclusion 6(2) )

Withdrawal of

3. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) reported that, in accordance with the arrange- ment made at the first meeting of the Commission during its present Session, Professor K. Mansour (Egypt) had been invited to serve as an Alternate Member of the Commission during the present (Paris) Session of meetings, vice Professor Bela Hanké (Hungary) who was unable to be present. This invitation had been accepted by Professor Mansour.

THE COMMISSION :—

took note of the above statement and welcomed

Professor Mansour to their table.

(Lhe election of Professor K. Mansour to be an Alternate Member of the Commission was thereupon reported to the Section on Nomenclature).

4. THE ACTING PRESIDENT (MR. FRANCIS

Professor R. Sparck HEMMING) said that he had to report that, much, as he

and nomination of Dr. H. Lemche as prospective Danish member of the Commission

(Previous reference: Paris Session, 2nd Meeting, Conclusion, 17(3) )

felt sure, to the regret of all members of the Commission, Professor R. Sparck (Denmark) had intimated that on reflection he felt that pressure of his other duties, especially duties in connection with the next meeting of the Congress, would make it preferable that some other Danish zoologist should be nominated to be the Danish member of the Commission in succession to Dr. Th. Mortensen, whose resignation on grounds of ill-health had caused such regret to all members of the Commission. Discussions on this question had accordingly been held between the Danish zoologists present at the Congress, who had recommended that the vacancy caused by the withdrawal of Professor Sparck should be filled by the election of Dr. Henning Lemche. Dr. Lemche was well known to the members of the Commission not only through his published work but also on account of his active participation both in the public meetings of the Commission and in the meetings of the Section on Nomenclature during the present Congress.

THE COMMISSION :—

(1) took note with regret that on account of pressure of other work Professor R. Spirck (Denmark) had felt bound to ask for permission to withdraw his acceptance of nomination as the Danish member of the Commission in succession to Dr. Th. Mortensen (resigned on account of ill- health) ;

(2) agreed to nominate Dr. Henning Lemche (Den- mark) to be the Danish member of the Commission as from the close of the Paris Congress in succession

Report to be submitted by the Commission to the Congress : detailed examination of draft proposed

(Previous reference: Paris Session, 10th Meeting, Conclusion 6)

Danish representation on the Commission and the arrangements proposed to be adopted in place of the system of three nine-year Classes in the membership of the Commission Previous references: Paris Session, 11th Meeting, Conclusion 4 ; 3rd Meeting, Conclusion 3)

Proposed Official List of names of species : title to be changed (Previous reference: Paris Session, 9th Meeting, Conclusion 42)

llth Meeting, Paris, July, 1948. 283

to Commissioner Th. Mortensen (resigned) and to appoint Dr. Lemche to be an Alternate Member of the Commission for the remainder of the Paris Session vice Professor J. R. Dymond (Canada) who had been unable to attend that Session.

(Dr. Lemche thereupon took his place as an Alternate Member of the Commission.)

(Lhe Nomination of Dr. Lemche to be a member of the Commission in succession to Commissioner Th. Mortensen (Denmark) vice Professor R. Spirck (withdrawn) was thereupon reported to the Section on N. omenclature.)

5. THE COMMISSION then turned to consider the draft of the Report to be submitted by them to the Thirteenth International Congress of Zoology at its final Plenary Session to be held on the following day (Tuesday, 27th July, 1948) (Commission Paper I.C.(48) 20), which, as arranged at the meeting noted in the margin, had been prepared for their consideration by their Secretary, Com- missioner Francis Hemming.

After having satisfied themselves regarding the general scope and form of the proposed Report, THE COMMISSION, in conjunction with the Section on Nomenclature, examined the draft Report, paragraph by paragraph. In the course of this examination, THE COMMISSION, in agreement with the Section, signified their intention to make the under- mentioned changes in the following paragraphs of the proposed Report

(1) Paragraphs 17 and 19.—These pargaraphs would need to be amended (a) to take account of the changes in the arrangements for Danish representa- tion on the Commission which had just been agreed upon, and (b) to indicate (in the second of these paragraphs) the revised arrangements which, at the meeting noted in the margin, it had been agreed to substitute for the existing system by which the membership of the Commission was divided into three 9-year Classes ;

Paragraphs 44 and 45.—It was desirable that these two. paragraphs, of which the first was concerned with the Official List of Generic Names in. Zoo- logy” and the second with the Official List of Specific Names in Zoology,” should be drafted in similar terms. Paragraph 45 should therefore be redrafted to correspond with paragraph 44. It was desirable to indicate the types of name which it was proposed should be placed on the new Official List and also to emphasise that the names to be

(2

284

Verification of text of revised

* Regles :

an ad hoc Editorial Committee substituted for the Executive Committee of the Commission

(Previous reference: Paris Session, 4th Meeting, Conclusion 12)

(3

~—

International Commission on Zoological Nomenclature.

standardised in that ‘Official List were the trivial names comprised in the specific names con- cerned, and to make it clear that, although the generic name with which any such trivial name was originally published must necessarily be included in the ‘‘ Official List,’’ such inclusion did not confer any status on the binominal combination in which that trivial name had originally been published or imply any view on the taxonomic question of the genus to which the species so named should be referred. For this purpose, it was desirable that the title of this “‘ Official List’ should be changed from the Official List of Specific Names in Zoology” to the Official List of Specific Trivial Names in Zoology.” It was desirable that an explanation on the foregoing lines regarding the scope of this “* Official List’ should be prefixed to this List” when it was published. These points should be made clear in the revised draft of paragraph 45.

Paragraph 47.—It was felt that, although this paragraph, as drafted, correctly represented both the recommendation which the Commission had sub- mitted to the Section on Nomenclature regarding the procedure to be adopted after the Congress for seeing the revised text of the Reégles through the press and also the conclusion thereon reached by the Section, the subject was of such great importance that it was desirable, if possible, to strengthen the arrangements that had been proposed. It was suggested that this end would be achieved if the duty of making a close examination of the draft text of the Régles prepared by the jurists were entrusted not to the Executive Committee of the Commission (as hitherto proposed) but to a specially appointed ad hoc Editorial Committee composed of three members (or Alternate Members) of the Commission . who had been present throughout the discussions held in Paris. The duties involved were heavy, and it was felt that they could better be discharged by such a body than by the Executive Committee of the Commission, only one of the three members of which had been present at the Paris Congress. It was agreed that the change suggested was an improve- ment over the arrangement hitherto contemplated and that paragraph 47 should be redrafted accor- dingly. As regards the composition of the proposed ad hoc Editorial Committee, it was felt that a decision should be postponed until later in the day

(Later reference: Paris Session, 14th Meeting, Conclusion 62)

(Previous reference: Paris Session, 9th Meeting, Conclusion 42)

llth Meeting, Paris, July, 1948. 285

in order to permit of informal consultations for the purpose of. bringing forward a proposal which would be generally acceptable.

At the close of the foregoing discussion, attention was drawn to the fact that, as the Commission was to sit continuously throughout the day, it might happen that they would wish to make some addition to their Report in the light of the further business which they would then have transacted. While it was agreed that it was desirable that the Commission should at once seek the approval of the Section on Nomenclature for their Report, that approval should be sought on two understandings. The first of these understandings related to the scope of the approval given by the Section to miscellaneous amendments of, and changes in, the Régles. The Report, as drafted, covered all such amendments or changes as had already been approved by the Commission and confirmed by the Section. In addition, however, there were other proposals for amend- ments and changes in the Régles awaiting consideration by the Commission and the Section. The reference in the Report to the approval of miscellaneous amendments of, and changes in, the Réegles was therefore.to be understood as applying not only to the amendments and changes already approved but also to any other such amendments or changes as might be approved by the Commission and confirmed by the Section. either later during the present nieeting or at meetings to be held later during the present day. Second, it must be understood that, if subsequent to the adoption of the Report by the Commission and of its approval by the Section, the Commission desired to include in the Report

. references to other decisions taken later in the day, they

~

should be free to do so, provided that in every such case they obtained the approval of the Section for the insertion in the Report of the passage concerned.

THE COMMISSION agreed :—

(1) in the light of the discussion held jointly with the Section on Nomenclature, recorded above, to modify as follows the under-mentioned recommen- dations previously adopted, that is to say :—

(a) to substitute for the recommendation agreed upon at the meeting noted in the margin, that the new Official List’ of the names of species should be given the title Official List of Specific Names in Zoology”, the recommendation that the title to be given to this “Official List” should be the

286 International Commission on Zoological Nomenclature.

(Previous reference: Paris Sesston,

Official List of Specific Trivial Names in Zoology ”’ ;

(b) to substitute for the recommendation agreed upon at the meeting noted in the margin, that the duty of examining the draft text of the Régles revised in accordance with the decisions of the Paris Congress, when that draft text was received from the jurists, should be entrusted to the Executive Committee of the Commission, the recom- mendation that this duty should be en- trusted to an ad hoc Kditorial Committee of three Members or Alternate Members of the Commission who had been present throughout the discussions held during the Paris Congress ;

(2) that, subject (a) to the incorporation in the

(38

~—

paragraphs numbered 17 and 19 in the draft (relating to the Danish representation on the Commission and to the arrangements proposed to be adopted in place of the system of three 9-year Classes in which the membership of the Commission was at present divided) of the correc- tions noted in the discussion recorded above, and (b) to the redrafting of the paragraphs numbered 45 and 47 in the draft (relating respectively to the new “‘ Official List ’’ of the names of species and to the body to which should be entrusted the duty of examining the revised draft of the Regles, when received from the jurists) to conform with the conclusions respectively recorded in regard thereto in (1)(a) and (1)(b) above and subject also to the incorporation in the first of these paragraphs of the drafting amendments agreed upon in the discus- sion with the Section on Nomenclature recorded above, the draft Report prepared by Secretary Hemming (Commission Paper I.C.(48)20) gave full effect to the conclusions reached by the Commission during their Paris Session and to the action taken thereon by the Section on Nomencla- ture, and that a Report in these terms would provide the Congress with all the data required to enable it to judge of the results achieved during the present Session ;

with reference to (1)(b) above, to request the Acting President to confer with leading European and American zoologists present at the Congress on the question of the composition of the ad hoc

Unanimous adoption by the Commission of its Report to the Thirteenth International Congress of Zoology

vyoL.47

11th Meeting, Paris, July, 1948. 287

Kditorial Committee and to submit recommenda- tions in regard thereto at a later meeting to be held in the course of the same day.

6. THE COMMISSION agreed :—

(1)

to adopt as their unanimous Report to the Thirteenth International Congress of Zoology the draft prepared by Secretary Hemming (Com- mission Paper I.C.(48)20), subject to the incor- poration therein of the drafting and other changes specified in Conclusion 5 above ;

to authorise and request Commissioner Hemming, in his capacity as Secretary to the Commission, to sign their Report, in the form unanimously approved and adopted in (1) above, and to submit it on their behalf to the Section on Nomenclature, with a recommendation that the Section :—

(a) approve and adopt each and all of the indivi- dual recommendations submitted in the Report ;

(b) agree :—

(i) that their approval to the passage relating to the adoption of miscel- laneous amendments of, or changes in, the Regles should be understood as applying not only to such amend- ments and changes as had already been approved but also to any other such amendments or changes as might be adopted by the Commission and confirmed by the Section either later during the present meeting or at other meetings held later during the day ;

(i) that if, as the result of further discussions either later during the present meeting or at other meetings held later during the day, the Commission desired to insert addi- tional passages in their Report, they should be free so to do, provided that in each case they first obtained the concurrence of the Section for the addition so proposed to be made and that, on any such addition being so approved, Commissioner Hemming, as Secretary to the Commission,

288

Miscellaneous proposals for the amendment or clarification of the “* Regles”: Fourth

Iastalment (Previous reference: Paris Session, 9th Meeting, Conclusion

1)

Article 32 (suggested amendment to provide for the rejection of trivial names

on grounds of inappropriateness in certain cases)

International Commission on.Zoological Nomenclature.

should be authorised and requested to incorporate the addition in question, before the Commission’s Report was submitted to the Congress at the Plenary Session to be held on the following day (Tuesday, 27th July, 1948) ;

(c) approve the Commission’s Report as a whole, subject to the understandings speci- fied in (a) and (b) above, and should authorise and request Mr. Hemming, as Secretary to the Commission, to submit that Report to the Congress at the Plenary Session to be held on the following day and, in doing so, to inform the Congress that the Report had been unanimously approved and adopted by the Commission, by whom it had been submitted to the Section on Nomenclature, by whom in turn it had been unanimously approved and adopted.

(The Report of the International Commission on Zoological Nomenclature was thereupon submitted to the, Section on Nomenclature for approval.)

7. THE COMMISSION had before them a memorandum by the Secretary (Commission Paper I.C.(48)16), containing a fourth instalment of miscellaneous proposals for the amendment and clarification of the Régles. For con- venience of reference these proposals, which were seventeen in number, had been numbered consecutively with the proposals brought forward in the paper containing the third instalment (Commission Paper I.C.(48)15). The present proposals were therefore numbered (64) to (80).

THE COMMISSION agreed :—

_to examine Commission Paper I.C.(48)16, point by point, for the purpose of reaching conclusions regard- ing the recommendations to be submitted on the questions raised therein.

8. THE COMMISSION had under consideration a proposal submitted by Mr. Philip P. Graves (Eire) (file Z.N.(S.) 205) that Article 32 should be amended so as to provide for the rejection of trivial names in certain cases on the ground that those names were totally inappropriate, having been selected by the original author as the result of a misapprehension on a question of fact (e.g. where a butter- fly occurring only in the Philippine Islands was named

1 For the record of the approval of the Commission’s Report by the Section on Nomen- clature, see page 89 of Volume 5,

* Opinion” 124; extension to cover certain terms intermediate between generic and trivial names published by Habner (J.) (Previous reference : Paris Session,

9th Meeting, Conclusion 40)

VOL, 4 7?

11th Meeting, Paris, July, 1948, 289 californica by a credulous systematist who purchased an example labelled California”), together with a note on the foregoing proposal submitted by the Secretary in Point (64) in Commission Paper I.C.(48) 16.

The view was expressed in the discussion on this pro- posal that, although at first sight this appeared a logical and desirable proposal, it was in fact one which contained a considerable element of danger. If Article 32 were to be relaxed in the manner suggested, it might lead to consider- able instability in the case of trivial names based upon the names of countries, for it might lead to numerous requests for changes in such names, where, as the result of political - changes, there were changes in the status of countries or parts of countries or changes in the names by which countries were known.

THE COMMISSION agreed :—

to reject the proposal that express provision should be made in Article 32 for the rejection in certain circum- stances of trivial names on the ground of inappro- priateness,

9. THE COMMISSION had under consideration -—

(4) a proposal submitted by Dr. R. Ferreira d’ Almeida and Dr. José Oiticica Filho (Brazil) that in the case of names of species of the Order Lepidoptera (Class Insecta) published by Hiibner (J.) in volume 1 of his Sammlung exotischer Schmetter- linge in (apparently) trinominal form, as (for example) the name Princeps dominans capys, the trivial name (capys) should be accepted for nomenclatorial purposes but not either of the other names (i.e. in the example cited, the names Princeps and dominans) (file Z.N (S.) 218) ;

a letter addressed to Dr. Ferreira d’Almeida by . Professor Charles D. Michener (U.S.A.) con- curring in the proposal that in the case of names of the kind discussed in (a) above the intermediate term (for example, dominans) should be rejected and that the third term (for example, capys) . should be accepted, but expressing the view that it would not be reasonable to exclude the first term (Princeps) from nomenclatorial availability as well as the second (file Z.N.(S.) 218) ;

(c) a proposal, that in the case of the names in question the intermediate terms (in the present example, the term dominans) should be rejected as not of subgeneric status by an extension to these terms

(b

290 International Commission on Zoological Nomenclature.

Addition to the

Regles” of a provision definin the functions of the International Commission on Zoological Nomenclature

of the decision given by the Commission in Opinion 124 in regard to- somewhat similar inter- mediate terms published by Linnaeus in 1758 in the 10th edition of the Systema Naturae for species belonging to the same Order of the Class Insecta, submitted. by the Secretary in Point (65) in Commission Paper I.C.(48)16.

THE ACTING PRESIDENT (Mr. FRANCIS HEM- MING) said that the above system of nomenclature had been employed by Hiibner not only in the Sammlung exotischer Schmetterlinge but also in the Systematisch-alpha- betisches Verzeichniss, published in 1822. Whatever de- cision was taken should apply to both works.

THE COMMISSION agreed :—

(1) that, where in volume 1 of the work Sammlung exotischer Schmetterlinge or in the Systematisch- alphabetisches Verzeichniss, Hiibner (J.) cited a species under a name having an apparently tri- nominal form (e.g. the name Princeps dominans capys), the generic name (Princeps) and the specific trivial name (capys) are to be accepted as satisfying the requirements of Article 25 of the Regles but that the intermediate term (dominans) is not to be treated as having acquired the status of a subgeneric name by virtue of having been so published ;

(2) to render an Opinion, supplementary to Opinion 124, embodying the decision specified in (1) above.

10. THE COMMISSION had under consideration a proposal (file Z.N.(S.) 352) that a provision should be inserted in the Régles defining the functions of the International Commission on Zoological Nomenclature, sub- mitted by the Secretary in Point (66) in Commission Paper I.C.(48)16.

In the foregoing paper the Secretary reminded the Commission that, among the provisions which, on the proposal of the Commission, the Section on Nomenclature had agreed to recommend the Congress to add to the Regles, were several provisions entrusting special duties to the Commission. In these circumstances, it was necessary that there should be inserted in the Regles a provision defining the functions of the Commission, for it would not be either logical or practicable to include in the Regles provisions conferring special duties upon the Com-

(Later reference Paris Session, 11th Meeting, Conclusion 16)

(Previous references Paris Session, 6th Meeting, Conclusion 9)

11th Meeting,

Paris, July, 1948. 291

mission without having first defined generally the functions

of that body.

THE ACTING PRESIDENT (Mr. FRANCIS HEM- MING) said that the functions enumerated in Point (66) were all functions already entrusted to the Commission before the opening of the present Congress. To these must be added the function in regard to the rendering of Declarations on a new basis which has been agreed upon during the present Congress.

THE COMMISSION agreed to recommend :— that a provision should be inserted in the Reégles defining the functions of the International Commis- sion on Zoological Nomenclature on the following

lines :—

(a) The centralisation, discussion and elaboration of all questions relating to zoological nomen- clature are entrusted to the International Commission on Zoological Nomenclature (here- inafter referred to as the ‘“ Commission ”’), which is charged with the following duties, in addition to such other duties as are prescribed elsewhere in these Régles :—

(1)

(3)

the submission, as may be required, to the International Congress of Zoology (hereinafter referred to as the ‘“‘Congress”’) of recommendations for the amendment or clarification of, or for the insertion of additional provisions in, the Reégles Internationales de la Nomenclature Zoo- logique (hereinafter referred to as the Regles”’), where, in its opinion, such amendments, clarifications or additions are required ;

the preliminary consideration, on behalf of the Congress, for such a period, not exceeding one year, as in any given case the Commission may decide, of every proposition relating to a proposed change in the Regles which may be submitted to the Congress from any source ;

the rendering, during periods between successive Congresses, of Declarations embodying recommendations for changes in the Regles adopted by the Commission under (1) above in respect of proposals dealt with by the Commission during such periods ;

292 International Commission on Zoological Nomenclature.

Article 25

(status of a holotype or lectotype in relation to an inadequate original description)

(4) the rendering of Opinions on questions of zoological nomenclature submitted -to the Commission, the decisions embodied in which to become operative immediately upon the Opinion in question being so rendered, without further reference to the Congress ;

(5) the compilation of the Official List of Generic Names in Zoology” and the Official List of Specific Trivial Names in Zoology and of the Official Indexes of Rejected and Invalid Names and the rendering of Opinions in regard thereto ;

(6) such other functions as have been, or may be, agreed upon by the present Congress ;

(b) The Commission possesses also plenary powers to suspend, in whole orin part, any Article of these Régles, other than the present Article, as applied to the names in any book or to any individual name, where, in its opinion, . . . (here should be inserted the provisions in regard to the use by the Commission of its plenary powers as agreed upon by the Ninth International Congress of Zoology at Monaco in 1913, as amended by the present (Paris) Congress, together with all other provisions relating to the plenary powers agreed upon by the present (Paris) Congress.).

11. THE COMMISSION had under consideration a proposal (file Z.N.(8.)291) submitted by Dr. C. A. Hoare (London) that Article 25 should be clarified to indicate whether, where the original description of a species is poor and the identification of the species named therefore either difficult or uncertain—the case cited was that of Trypano- soma suis Ochmann, 1905—the type specimen, if available, can be called in aid to supplement the published description. At the same time, the Commission had under consideration a proposal in regard to this question submitted by the Secretary in Point (67) in Commission Paper I.C.(48)16.

It was pointed out in discussion that Article 25 was concerned only with the nomenclatorial status of names ; for the purpose of that Article the taxonomic application of a name was irrelevant. The question of the taxonomic species to which should be applicable a specific name (pub- lished in conditions which satisfied Article 25) when there

llth Meeting, Paris, July, 1948. 293

@ r ag reference: existed a recognisable type specimen (holotype or lectotype) aris Oess by . . . al .

4th Meeting, had been settled in connection with the amplification of Conclusion 11) Article 31 agreed upon at the meeting noted in the margin.

THE COMMISSION agreed to recommend :—

that in the forthcoming revision of the Régles a clear distinction should: be drawn between (1) the question whether a given specific name was an available name in the sense that it possessed rights under the Law of Priority and (2) the question of the taxonomic unit to which any given specific name was to be treated as adhering, the first of these questions depending upon. whether the name in question satisfied the requirements specified in Article 25, while the second was a matter to be determined in accordance with the rules laid down in Article 31. P

Article 25 12. THE COMMISSION reviewed the decision taken (priority to be at the meeting noted in the margin regarding the priority to

fe pas “sine as be accorded to a specific or generic name where that name

instalments where _is published on one date and the description or part of the peritncras be description relating thereto is published on a later date, in Nete and ae ro UG light of a note submitted by the Secretary in Point (68) relevant description in Commission Paper I.C.(48)14. In this note the Secretary

apa ona _ pointed out that special provisions of a rather more stringent

supplementary character needed to be adopted in the case of generic names decision published after 31st December, 1930 (i.e. after Proviso (c) (Previous reference: . tO Article 25 became operative) since, as regards these

Paris Session, 7th names, it was essential to make it clear that no name was to

ae Conclusion be accepted as having satisfied the requirements of the foregoing Article until a clear designation of its type species had been published.

THE COMMISSION agreed to recommend :—

that words should be inserted in the provision which it had been agreed at the Seventh Meeting of their Paris Session (Conclusion 20) should be added to Article 25, to make it clear that, where, in the case of a generic name published subsequent to 31st December,

- 1930, the description of the genus so named is published in two successive portions of a book or serial published in instalments, such a name is to rank for purposes of priority only as from the later of the instalments concerned, if the designation of the type species of the genus is not included in the earlier published of the instalments concerned.

The expressions 13. THE COMMISSION had under consideration a .erade” and | ~~ proposal (file Z.N.(S.)363) submitted by M. Georges pseudo-genus : ai J : 3 proposed Deflandre (France) that a provision should be inserted in recognition of, the Reégles, recognising the categories grade” and pseudo- eal genus,” together with a summary of a note thereon, sub-

mitted by the Secretary in Point (69) in Commission Paper

(Previous reference: Paris Session, 10th 1.C.(48)16.

Meeting, Conclusion3) - THE COMMISSION agreed :— rer bins (1) that, while the expressions grade and pseudo- genus’ had been found convenient by some palaeozoologists for certain taxonomic purposes,

294 International Commission on Zoological Nomenclature.

those expressions were to be regarded as technical terms only and, as such, fell outside the scope of zoological nomenclature ;

(2) that, in view of (1) above, it would be inappropriate to include definitions of the foregoing expressions in the Régles;

(3) to render a Declaration recording the foregoing decision.

Exepoes new 14. THE COMMISSION had under consideration a si duane proposal (file Z.N.(S.)364) submitted by M. Georges ralaesmernce yaad Bellet and Mme. Marthe Deflandre-Rigaud (France) that invertebrates found provisions should be inserted in the Régles prescribing a ap ecoemrerany special system of nomenclature to be applied only to certain rejection of proposal fragments (organites and sclerites) of fossil invertebrates (Pestana mrafeeet: found in sedimentary rocks, together with the summary of Paris Session, 10th a note thereon, submitted by the Secretary in Point (70) in Meeting, Conclusion 4) Commission Paper I.C.(48)16.

THE COMMISSION agreed :—

(1) that, while for certain purposes palaezoologists might require to make use of a special system of terminology for denoting certain fragments, such as organites and sclerites, of fossil species of invertebrates found im sedimentary rocks where the fragments in question were not sufficient to form the basis of a taxonomic unit of a category recognised in zoological nomenclature, the expres- sions employed to denote such fragments were to be regarded as technical terms and not as zoo- logical names and as such fell outside the scope of zoological nomenclature ; -

(2) that, in view of (1) above, it would be inappro- priate to include in the Reégles provisions speci- fying and defining the terms to be used for the foregoing purposes and therefore that no term so published was to be recognised as having any status in zoological nomenclature ;

(3) to render a Declaration recording the foregoing

decision. eo of 15. THE COMMISSION had under consideration a the Regles proposal (file Z.N.(8.)352) that a provision should be i inserted in the Regles defining the status of interpretations rendered by the of the Régles given by the Commission in Declarations Commission in rendered by the Commission in periods between successive

periods between Congresses, submitted by the Secretary in Point (71) in successive

Congresses Commission Paper I.C.(48)16.

11th Meeting, Paris, July, 1948. 295

Sabena feferinces THE COMMISSION agreed to recommend :—

‘aris Session, 6th i : j ' Meeting, Conclusion 9, that an Article should be inserted in the Regles to and 1th Meeting, make it clear that when, during a period between

Conclusion 10) ; ; é Ree : successive Congresses, the Commission give an

interpretation of the Régles in a Declaration, the interpretation so given is to become operative im- mediately upon the publication of the said Declaration and is, until the next meeting of the Congress, to have like force and vigour as though it had already been embodied in the Régles, and that the proposed amendment or clarification of, or addition to, the Regles specified in the said Declaration shall be considered by the Section on Nomenclature at the next meeting of the Congress, with a view to the submission thereby of a recommendation to the Congress that the Régles should be amended, clarified or extended in the manner indicated in the Declaration in question.

Method to be 16. THE COMMISSION had under consideration a esate eae proposal (file Z.N (S.)352) that a provision should be ““Regles : inserted in the Régles prescribing the manner by which alone insertion in the changes can be made in the Regles, submitted by the

gee ae ee Secretary in Point (72) in Commission Paper I.C.(48)16.

THE COMMISSION agreed to recommend :—

that an Article should be inserted in the Régles prescribing that no amendment in, clarification of, or addition to, the Régles may be made by the Congress, save on the recommendation of the Section on Nomenclature at Congresses where such a Section is established and in other cases on the recommendation of the International Commission on Zoological Nomenclature but that in the former case no such recommendation may be submitted by the Section on Nomenclature, unless the proposal that the Regles should be amended, clarified or extended in the manner proposed has been submitted to the Com- mission for a period of one year prior to the opening of the Congress or for such less time as in any given case the Commission may agree is sufficient and the

(Previous reference: Commission has submitted to the Section a recom- Paris Session, 11th mendation as to the action desirable on the said Meeting, Conclusion

10(a)(2) ) proposal.

Article 35 17. THE COMMISSION reviewed the decision taken (polymorphism in at the meeting noted in the margin to recommend the exvial mames insertion in the Régles of a Recommandation urging authors

ising f; th f eee cae ci Sebel dik eaten to avoid publishing as the trivial name of a species a

9

word in noun and adjectival form): addition of a further example in

** Recommandation

(Previous reference: Paris Session, 9th Meeting, Conclusion 3)

Article embodying the plenary powers of the Commission: drafting

amendment

(Previous reference: Paris Session, 3rd Meeting, Conclusion 7)

Neotypes {erroneous statements regarding, deleted from

Opinion 126)

296 International Commission on Zoological Nomenclature.

compound word having as its termination a word in noun form (e.g. -costa) where a similar compound word having as its termination the same word in adjectival form (e.g. -costatus or -costata) has already been published as the trivial name of another species in the same or an allied genus, and in this connection had under consideration a supple- mentary proposal submitted by the Secretary in Point (73) in Commission Paper I.C.(48)16.

THE COMMISSION agreed to recommend :—

that the example afforded by the use of the noun- form ‘‘ cauda”’ and the adjective-form ‘‘caudatus, -a, -um’’, should be added to the Recommandation which, at the meeting noted in the margin, it had been agreed to recommend should be added to the Reégles regarding the need for avoiding, so far as possible, the use in the same or allied genera of compound trivial names differmg from one another solely through having as their respective terminations the same words in noun-form or adjective-form or vice versa.

18. THE COMMISSION had under consideration a note submitted by the Secretary in Point (74) in Commission Paper I.C.(48)16, drawing attention to the inadvertent inclusion in paragraph 6(2)(a) of Commission Paper 1.C.(48)4, of a recommendation that, when the Plenary Powers Resolution of 1913 (Declaration 5) was embodied in an Article of the Régles, there should be embodied at the same time the fourth of the four Articles of which the foregoing Resolution was composed, this Article being con- cerned with a matter of great importance (collaboration between the Commission and groups of specialists), which, however, it would be inappropriate to deal with in the proposed Article.

THE COMMISSION agreed to recommend :—

that the fourth of the four Articles which together constituted the Plenary Powers Resolution of 1913 should not be embodied in the Article which, at the meeting noted in the margin, it had been agreed to recommend should be inserted as a new Article of the Regles.

19. THE COMMISSION had under consideration certain unfortunate obiter dicta included in Opinion 126 (relating to the status of new names in d’Orbigny’s Prodrome), which were so drafted as to give the misleading impression that the Commission had already given a ruling on the status of neotypes, together with a proposal in regard

11th Meeting, Paris, July, 1948. 297

thereto submitted by the Secretary in Point (75) in Com- mission Paper I.C.(48)16.

THE COMMISSION agreed :—

(1) that the decision in regard to the status of new names published in d’Orbigny’s Prodrome of 1850 (ie. that the specific names published in the above work are available under the Régles, when accompanied by a description or indication) given in the summary ”’ to Opinion 126, should be incorporated in the appropriate schedule to the Regles ;

(2) in order to remove such misunderstandings as had arisen, expressly to place on record that, as in the case of other Opinions, the decision taken by the Commission in Opinion 126 was to be looked for only in the summary of that Opinion and that no observation contained in the body of Opinion 126 but not included in the summary thereof was to be regarded as recording a decision by the Commission as respects either the inter- pretation of the Reégles or any other matter.

Article 8 20. THE COMMISSION reviewed, in the light of a

tadestion ke b) recommendation submitted by the Secretary in Point (76)

af the ecEdad ‘af thelial Commission Paper 1.C.(48)16, the recommendation which,

existing at the meeting noted in the margin, it had been agreed to

eee ae tis submit regarding the amendment of item (b) of the second

incorporation in of the two Recommandations at present attached to Article 8,

the Regles prior to the incorporation of the provisions of that Recom- pro Rrra ‘4 mandation in the Régles as a mandatory provision. Pera Seooien, Oth THE COMMISSION agreed to recommend :—

ge Ro sb c that the generic name Stenogyra should be added as

ate an example of the class of name referred in the first

part of the Recommandation proposed to be attached

to the substantive provision which it had been agreed,

at the meeting noted in the margin, should be

incorporated in the Régles in place of the second of

the two existing Recommandations to Article 8, item

(b), and that the generic names Hydrophilus and

(Previous reference: Philydrus should be inserted as examples of the class

one tenia om -of name referred to in the second part of the proposed

37) Recommandation. Addition of 21. THE COMMISSION had under consideration a

paaerepl set proposal that reference to Articles of the Régles containing composite Articles more than one paragraph should be facilitated by the

in the Regles allocation to each such paragraph of a serial number,

298 International Commission on Zoological Nomenclature.

Addition of serial numbers where. there is more than one “Recommandation” in any given Article of the Regles”

Subdivision into paragraphs of Articles and

Recommanda- tions consisting of two or more sentences

Article 30, Rule (e) (clarification of)

submitted by the Secretary in Point (77) in Commission Paper I.C.(48)16. In submitting this recommendation, the Secretary drew attention to the error fallen into by many authors through the lack of such paragraph numbers in the case, for example, of Article 14, where the first paragraph, which grammatically consisted of a single sentence, was divided into three subheads, lettered ‘‘ a,” b,” and “¢” respectively, and where the letter ‘‘ ¢ had commonly been cited as though it were a designation which governed the whole of the remainder of the Article which in fact consisted of two distinct and entirely independent paragraphs.

THE COMMISSION agreed to recommend :—

that, when the text of the Régles was revised in the light of the amendments agreed upon by the present (Paris) Congress, serial numbers should be allotted to each paragraph of any Article consisting of more than one paragraph.

22. Arising out of the discussion recorded in Conclusion 20 above, THE COMMISSION agreed to recommend :—

that, when the text of the Régles was revised in the light of the amendments agreed upon by the present (Paris) Congress, serial numbers should be allotted to Recommandations in cases where more than one such Recommandation was attached to any given Article.

23. THE COMMISSION had under consideration a proposal that reference to the Articles of the Régles should be simplified by the subdivision into two or more paragraphs of those Articles which at present consisted of two or more sentences, each containing a separate provision, submitted by the Secretary in Point (78) in Commission Paper 1.C.(48)16.

THE COMMISSION agreed to recommend :—

that, when the text of the Régles was revised in the light of the amendments agreed upon by the present (Paris) Congress, any Article and any Recommandation which eonsisted of two or more sentences, each containing a separate provision, should be subdivided into paragraphs, each containing only a single sentence and each serially numbered.

24. THE COMMISSION had under consideration a request received from Mr. R. G. Fennah (Trinidad, B.W.1.) (file Z.N.(S.)236) for an interpretation of the expression species inguirenda’’ as used in Rule (e) ‘in Article 30 of

Article 30 (expression to be used to denote a species designated or selected as the type species of

a genus)

11th Meeting, Paris, July, 1948. 299

the Régles, together with a note thereon submitted by the Secretary in Point (79) in Commission Paper I.C.(48)16.

THE COMMISSION agreed to recommend :—

_ that the second section (section (8) ) of Rule (e) in Article 30 of the Régles should be redrafted so as to make it clear that the species there referred to are species, regarding the taxonomic identity of which the author of the genus expressed a doubt at the time of the original publication of the generic name, either because the species concerned was or were unknown to him or because of difficulties in identifying it or them or for any other reason, other than that specified in Section (y) of the same Rule.

25. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) submitted by the Secretary tn Point (80) in Commission Paper I.C.(48)16, that, in view of the widespread use of the expression “‘ genotype” by geneticists in a sense entirely different from that in which that expression had been used in zoological nomenclature, a Recommandation should be inserted in Article 30 of the Régles urging zoologists to refrain from using that expression when referring to the type species of a genus.

In the discussion on this proposal, the point was made that the expression “genotype” had been used by zoologists to denote the type species of a genus long before it was used by geneticists. If therefore zoologists desired to retain the use of this expression, they would be in a strong position if they were to approach geneticists with a request that some other expression should be adopted in genetics. The general view was against an attempt being made to retain the use of this expression in zoological nomenclature. The expression genotype,” viewed as an attempt to latinise the concept of the type species of a genus, could not be regarded as a success; the expression was consequently far from clear in meaning ; moreover, its use in zoological nomenclature was much less common now than formerly and its elimination would be welcome. The proposal that a Recommandation should be inserted in the Regles urging authors to abandon the use of this expression accordingly received general support.

At the same time the view was generally expressed that it was desirable not to stop short at giving this negative advice ; it was desirable that zoologists should be given positive advice as to the expression which it was desired should be used to denote the concept in question. The relative merits of a number of expressions, such as generitype,’ “‘ generotype,” etc., were discussed, but, as

300

** Necator Stiles, 1903 (Class Nematoda), an invalid name inadvertently placed on the

Official List of Generic Names

in Zoology in

Opinion 66: validation of, under the plenary powers

International Commission on Zoological Nomenclature.

the French and French-speaking zoologists present pointed out, all expressions of this kind were unacceptable, since it would be impossible to employ them in the substantive French text of the Régles, as, if so used, such expressions would be either incomprehensible or definitely misleading.

THE COMMISSION agreed to recommend :—

(1) that, where in the Régles (as in Article 30) or in the Schedules thereto, it was necessary to refer to the concept of a type species of a genus,”’ the expression “espéce type,” and, in the English translation, the expression “‘ type species should invariably be employed ;

that there should be inserted in Article 30 a Recommandation urging zoologists when referring to the concept of the type species of the genus always to employ the expression espéce type or “type species” or strictly corresponding expressions in other languages and to refrain from using the expression “genotype” or any other expression for this concept.

(At this point the recommendations adopted by the Commission in the course of the discussion of Commission Paper I.C0.(48)16 were reported to the Section on Nomenclature.)

26. THE ACTING PRESIDENT (MR. FRANCIS -HEMMING) said that, when, in his capacity as Secretary to the Commission, he had checked the bibliographical references given in the Opinions in which names had been placed on the Official List of Generic Names in Zoology in the course of preparing that List ’’ for publication, he had found that there were a number of errors in the entries concerned, errors which had led in some cases to erroneous citations of type species and in others to names which were actually invalid being placed on the List.” All these errors would need to be corrected in one way or another before the List was published and as many as possible of the cases concerned would be brought before the Com- mission during its present Session. One of the generic names in question had been referred to in a different connec- tion in an earlier discussion and it would, he felt, be convenient if the Commission were now to consider this

case (file Z.N.(S.)366).

Continuing, the Acting President said that the name in question was Necator Stiles, 1903, the name of a genus of Nematodes, which had been included in the first instalment of names placed on the Official List in 1915 (Opinion 66).

Validation, under the plenary powers, of long-established use of the generic names Tethys and Aplysia” (Class Gastropoda) and matters incidental thereto

11th Meeting, Paris, July, 1948. 301

This name was invalid because, under the decision given in Opinion 125 (relating to Borus Agassiz, 1846—an emenda- tion of Boros Herbst, 1797—and Borus Albers, 1850), Necator Stiles, 1903, must be regarded as a junior homonym of Necator Sclater and Saunders, 1896, an emendation of Nicator Finsch and Hartlaub, 1870, a genus in the Class Aves. Immediately upon making the foregoing discovery, he, as Secretary to the Commission, had consulted the late Dr. W. L. Sclater, who had informed him that no incon- venience would be experienced by ornithologists if the Commission were to suppress the name Necator Sclater and Saunders, 1896 (in the Class Aves), for the purpose of validat- ing the generic name Necator Stiles, 1903, in the Class Nematoda, for the genus of birds concerned was always known by the name Nicator, the spelling originally used by Finsch and Hartlaub.

THE COMMISSION agreed :—

(1) to use their plenary powers :—

(a) to suppress for all purposes the generic name Necator Sclater and Saunders, 1896 (Class Aves), an emendation of the name Nicator Finsch and Hartlaub, 1870 ;

(b) to validate the generic name Necator Stiles, 1903 (Class Nematoda) ;

(2) to confirm the entry ofthe name Necator Stiles, 1903, made in the Official List of Generic Names in Zoology” in accordance with the directions given in Opinion 66 ;

(3) to render an Opinion setting out the foregoing decisions.

27. THE COMMISSION had under consideration a proposal (file Z.N.(8.)22) submitted by Dr. H. Engel (Netherlands) that the Commission should use their plenary” powers to validate the long-established usage of the generic names Tethys and Aplysia (Class Gastropoda), to desig- nate the type species of those genera in a manner which would eliminate all further possibility of confusion in regard to the foregoing names, and to take certain other action incidental thereto.

In the discussion on this proposal, the view was generally expressed that a decision on this case was long overdue, both because of the importance of the names concerned and because of the excessive delays which had occurred in the handling of this case by the Commission.

302 International Commission on Zoological Nomenclature.

(Later reference: Paris Session, 13th Meeting, Conclusion 2)

COMMISSIONER H. BOSCHMA (NETHERLANDS) said that he shared the general view that a decision ought now to be taken by the Commission for stabilising the usage of the names Tethys and Aplysia ; he pointed out however that the application submitted asked also for decisions in regard to certain specific trivial names which were not directly concerned with the main problem at issue. He suggested that the Commission should deal as proposed with the names Tethys and Aplysia but that they should defer taking decisions regarding the portion of the application which related to specific trivial names not directly involved in the stabilisation of the foregoing generic names.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that it would be impossible to deal with the generic names Tethys and Aplysia without at the same time dealing with the associated question of the trivial names of the species to be designated as the type species of those genera. The question of the trivial names of the other species dealt with in the present application could however be dealt with separately at a later stage, although the adoption of this course would offend against the canon suggested by Commissioner Boschma in another case that the Commission should in future carefully abstain from their former practice of giving answers to a part only of any given application submitted to them for decision.

IN FURTHER DISCUSSION it was generally agreed that the questions submitted in the present application in regard to certain specific trivial names, other than those of the species to be specified as the type species of the genera Tethys and Aplysia, might properly be deferred for later consideration, provided, first, that these matters were brought to a decision as soon as possible after the close of the present Session, and, second, that the postponement of a decision on this part of the application submitted should not be held available to be cited as a precedent for similar action on any future occasion.

THE COMMISSION agreed :—

(1) that under Article 19 of the Reégles the spelling of the generic name Laplysia Linnaeus, 1767 (Syst. Nat.) (ed. 12), 1(2): 1089) was to be emended to Aplysia;

(2) to use their plenary powers :—

(a) to suppress for all purposes the generic name Tethys Linnaeus, 1758 (Syst. Nat. (ed. 10), 1: 653) and any other use of that name, prior to the publication of the generic name Tethys Linnaeus, 1767 ;

VOL. 4 U

11th Meeting, Paris, July, 1948, 303

(b) to Suppress, for all purposes, other than those of Article 35, the use in the genus Tethys Linnaeus, 1767, of the specific trivia] names leporina and limacina;

(c) to suppress all uses of the specific trivial name depilans in the Senus Aplysia (emend, of Laplysia) Linnaeus, 1767, prior to its publication, in the combination Aplysia depilans, by Gmelin in 1791 (in Linnaeus, Syst. Nat. (ed. 13), 1: 3103) ;

(d) to validate the generic name Tethys Linnaeus, 1767 ; (e) to validate the undermentioned trivial

names and to direct that those names were to be used in preference to any other trivial hames for the Species Tespectively con-

(i) the trivial name depilans as published in the binomina] combination Aplysia depilans by Gmelin in 1791 ;

(il) the trivial name jfimbria as published in the binominal combination Tethys Jimbria by Linnaeus in 1767 :

(f) to set aside all type selections for the

of these genera shall be the species Specified

below :— Name of genus Type species Aplysia Linnaeus, Aplysia depilans 1767 Gmelin, 179] Tethys Linnaeus, Tethys fimbria 1767 Linnaeus, 1767

(3) to place on the « Official List of Generic Names in

Zoology the generic names Aplysia Linnaeus, 1767, and Tethys Linnaeus, 1767 (Class Gastropoda,

(4) without prejudice to the general principle that

decisions should be given by the Commission on

304 International Commission on Zoological Nomenclature.

Venus Linnaeus, 1758 (Class Pelecypoda): designation of type species, under the plenary powers

(5

~—

(6)

all questions raised in any given application and on the strict understanding that the action now to be taken should not be held available to be cited on any future occasion as a precedent in favour of dilatory procedure, to postpone for further consideration the question of fixing, under the plenary powers, the identity of the species to which the undermentioned specific trivial names should apply :—

fasciata Poiret, 1789 (as published in the binominal combination Aplysia fasciata Poiret, 1789, Voy. Barbare, 2 : 2) ;

punctata Cuvier, 1803 (as published in the binominal combination Laplysia [sic] punctata Cuvier, 1803, Ann. Mus. Hist. nat., Paris, 2: 310).

to request the Secretary to the Commission to resubmit the portion of Dr. Engel’s application relating to the names specified in (4) as soon as possible after the close of the present Session, with a view to a decision being taken by the Commission thereon without further delay ;

to render an Opinion setting out the decisions specified in (1) to (5) above.

98. THE COMMISSION had under consideration a

proposal

(file Z.N.(S.)189) submitted by Mr. Joshua L.

Baily, Jr. (U.S.A.), that the Commission should use their plenary powers to set aside the designation of Venus dione Linnaeus, 1758, as the type species of Venus Linnaeus, 1758, and to validate the long-established usage of that generic name, by designating, as the type species, either Venus verrucosa Linnaeus, 1758, or Venus mercenaria Linnaeus,

1758.

THE COMMISSION agreed :—

(1) to use their plenary powers to set aside all selec-

tions of the type species of the genus Venus Linnaeus, 1758 (Class Pelecypoda, Order Eulamellibranchia), made prior to the present decision and to designate Venus verrucosa Linnaeus, 1758, to be the type species of this genus ;

(2) to place the generic name Venus Linnaeus, 1758

(type species : Venus verrucosa Linnaeus, 1758), on the ‘‘ Official List of Generic Names in Zoology ;

llth Meeting, Paris, July, 1948. 305

(3) to place the specific trivial name verrucosa Linnaeus, 1758 (as published in the binominal combination Venus verrucosa), on the Official List of Specific Trivial Names in Zoology aus

(4) to render an Opinion setting out the decisions specified in (1) to (3) above.

tee (cls Linnaeus, 99. THE COMMISSION had under consideration a Gaivodotel.: proposal (file Z.N.(S.)190) submitted by Mr. Joshua L. designation of type Baily, Jr. (U.S.A.), m consultation with Dr. Harald E. a aera of, rt Ae Rehder (U.S.A.), that the Commission should use their 2 cara ah plenary powers to set aside the designation of Bulla naucum Linnaeus, 1758, as the type species of the genus Bulla Linnaeus, 1758, and to preserve the long-established usage of the name by designating Bulla ampulla Linnaeus, 1758, as the type species.

- THE COMMISSION agreed :—

(1) to use their plenary powers to set aside all selec- tions of the type species of the genus Bulla Linnaeus, 1758 (Class Gastropoda, Order Bullo- morpha), made prior to the present decision and to designate Bulla ampulla Linnaeus, 1758, to be the type spévies of this genus ;

(2) to place the generic name Bulla Linnaeus, 1758 (type species: Bulla ampulla Linnaeus, 1758), on the Official List of Generic Names in Zoology ;

(3) to place the specific trivial name ampulla Linnaeus, 1758 (as published in the binominal combination Bulla ampulla) on the Official List of Specific Trivial Names in Zoology ;

(4) to render an Opinion setting out the decisions specified in (1) to (3) above.

(At this point the decisions reached by the Commission in regard to the names Tethys and Aplysia, Venus and Bulla were reported to the Section on N omenclature.)

Twelfth meeting 30. THE ACTING PRESIDENT (MR. FRANCIS a Somipionne HEMMING) then proposed that the Commission and the Pacis Geuicn F Section on Nomenclature should now adjourn. The next time appointed meeting which, like the present meeting, would consist of (Previous reference: concurrent meetings of the Commission and of the Section,

Paris Session, 11th would be held at 1445 hours that afternoon.

Meeting, Conclusion 2) : THE COMMISSION took note of the above arrange- ments.

(The Commission thereupon adjourned at 1225 hours)

VOL. 4 U?

( 306 )

INTERNATIONAL COMMISSION on ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth International Congress of Zoology,

Paris, 21st-27th July, 1948.

CONCLUSIONS of the Twelfth Meeting held at the Sorbonne in the Amphi- théatre Louis-Liard on Monday, 26th July 1948 at 1445 hours

(Meeting held concurrently with the Fourth Meeting of the Section on Nomenclature)

PRESENT :

Mr. Francis Hemming (United Kingdom) (Acting President) Professor H. Boschma (Netherlands) 2

Professor J. Chester Bradley (U.S.A.)

Professor L. di Caporiacco (Italy)

Dr. Henning Lemche (Denmark)

Professor K. Mansour (Egypt)

Mr. N. D. Riley (United Kingdom)

Professor Robert L. Usinger (U.S.A.)

The following were also present :

M. Belloc (France)

Dr. E. A. Chapin (U.S.A.)

Dr. Ellsworth C. Dougherty (U.S.A.)

Dr. Isabel Gordon (United Kingdom) Professor E. R. Hall (U.S.A.)

Mr. T. C. 8. Morrison-Scott (United Kingdom) Dr. H. H. J. Nesbitt (Canada)

M. G. Ranson (France)

Miss Louise Russell (U.S.A.)

Dr. Ethelwynn Trewavas (United Kingdom)

- Mr. R. Winckworth (United Kingdom)

Mrs. M. F. W. Hemming, Personal Assistant to the Secretary

Gryphaea 1. THE COMMISSION, jointly with the Section on

Lamarck, 1801 (Class Pelecypoda),

Nomenclature, had under consideration a communication!”

problem of type submitted by M. Gilbert Ranson (France) on the question of

species of :

the type species of the genus Gryphaea Lamarck, 1801 (Class

Sg nr ato Pelecypoda, Order Pseudolamellibranchiata) (file Z.N.(S.)

365). THE COMMISSION agreed :—

to defer for consideration after the close of the present (Paris) Congress the application submitted by M. G.

12 For the text of the communication made by M. Ranson, see pages 168-170 of Volume 3 of this journal, and for the record of the discussion in the Section on Nomenclature, see pages 96-8 of Volume 5.

a

Status of

generic names published in books dealing with classification of taxonomic units down to the

genus level but no further : . case of Brunnich, 1771, “* Zoologiae Fundamenta”

12th Meeting, Paris, July, 1948. 307 Ranson in regard to the ‘type species of the genus Gryphaea Lamarck, 1801 (Class Pelecypoda, Order Pseudolamellibranchiata).

2. THE COMMISSION had under consideration a request submitted by Mr. R. Winckworth (United Kingdom) that a ruling should be given on the question whether new generic names published by Briinnich in 1772 in his Zoologiae Fundamenta were to be regarded as complying with the provisions of Article 25, Proviso (b) (file Z.N.(S.)151). The text of Mr. Winckworth’s application had been published in the Bulletin of Zoological Nomenclature in 1945 (Bull. zool. Nomencl.,1 : 113-117, facsimile).

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that, while it was important that a decision should be taken on the status of the nine generic names published for the first time in Briimnich’s Zoologiae Fundamenta, which formed the subject matter of Mr. Winckworth’s application, it was much more important that the Commission should reach a decision on the question of principle involved in the acceptance or rejection of those names, namely whether an author was to be regarded as having applied the principles of binominal nomenclature (“ appliqué les principes de la nomenclature binominale ”’), as required by Proviso (b) to Article 25, as amended by the present Congress, where, in the work in question, that author was concerned with general questions of classification and did not carry his analysis below the genus level. A new generic name published in such a book after 31st December, 1930, was clearly ruled out by the terms of Proviso (c), the proviso added to Article 25, with effect from that date, under a decision taken by the Tenth International Congress of Zoology at its meeting held at Budapest in 1927. The status of a new generic name published in such a work prior to Ist January, 1931, had never been clearly defined, and the present was a good opportunity for reaching a decision on this subject with a view to the submission to the Section on Nomenclature of a recommendation for the clarification of the Regles in this regard. On a point of detail, it should be noted that, subsequent to the publication of Mr. Winck- worth’s paper, the attention of the Commission had been drawn by Dr, Kurt Teichert (University of Western Australia) to the fact that the University of Copenhagen possessed a copy of Briinnich’s Zoologiae Fundamenta, dated “1771,” as well as copies dated ‘‘ 1772,” the date cited by Mr. Winckworth. The two editions were identical except for the date on the title page. In view of this information, this book should in future be attributed to

308

International Commission on Zoological Nomenclature.

the year 1771. The Acting President added that the Commission were very glad to have Mr. Winckworth with them that afternoon and he called upon him to present his application in person.

MR. R. WINCKWORTH (UNITED KINGDOM) said that in the Zoologiae Fundamenta Briimnich gave a general description in Latin (left-hand pages) and Danish (right-hand pages) of the classification of the Animal Kingdom, including tables of allthe genera. He did not, however, cite the names of species, as regards which he stated in the preface: ““Enumeratio specierum nimis foret prolixa.” It was evident that it was only on the grounds of space that Briinnich stopped short at the genus level. He (Mr. Winckworth) asked the Commission to declare that the generic names used by Briinnich in the Zoologiae Fundamenta were available under Article 25 of the Régles. He asked also that one of the new names published by Briinnich, namely Jonna Briinnich, should be placed on the Official List of Generic Names in Zoology” with Buccinum galea Linnaeus, 1758, as type species. The other new generic names published in the Zoologiae Fundamenta would need to be dealt with on their merits in the light of advice received from specialists, but it might be thought appropriate to suppress the name Orthoceros Briinnich, for, if Nautilus orthocera Linnaeus, 1758, were to be taken as the type species, it would run counter to the plan of Briinnich’s book which was not concerned with fossils.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) suggested that it might be convenient to take a decision first on the general issue involved, and second,to take such decisions as might be considered appropriate in regard to individual names concerned. As to the nature of that decision, he was in full agreement with Mr. Winck- worth that Briinnich’s Zoologiae Fundamenta satisfied the requirements of Article 25 and that it was desirable that the Commission should render an Opinion to that effect. He was however of the opinion also that, in order to prevent the recurrence in the case of other books of doubts similar to those which had arisen in the present case, it was desir- able that the Commission should recommend to the Section on Nomenclature that words should be inserted in the Régles clarifying the application of Proviso (b) to Article 25 in relation to books such as Briinnich’s Zoologiae Funda- menta. The Acting President further observed that, as the Commission were painfully aware from their experience with Meigen’s Nouvelle Classification of 1800, it was often very dangerous for the Commission to give a ruling that a given book was an available book without at the same time

12th Meeting, Paris, July, 1948. 309

examining the effect of that decision on the nomenclature of the group concerned, for such a decision, although perfectly correct, was capable of causing great confusion in nomenclature, unless appropriate preventive action were taken immediately by the Commission under its plenary powers. He accordingly suggested that the Commission should recommend to the Section on Nomenclature that there should be inserted in the Régles a provision prescribing that, where the Commission gave a ruling that a given book satisfied the requirements of Article 25, it should be the - duty of the Commission, in consultation with specialists, to examine the names first published in that book and, having done so, to place on the appropriate Official List *’ such of the names concerned as were nomenclatorially available and also the oldest available names for the taxo- nomic units concerned, except, where the adoption of any given name concerned would lead to instability and confusion in the nomenclature of the group concerned, in which case it should be made the duty of the Commission to suppress the name concerned under their plenary powers. It should be the duty of the Commission also to place on the appropriate Official Index any new name published in such a book that was either not available nomenclatori- ally or was not the oldest available name for the taxonomic unit concerned, together with any name which might have been suppressed under the plenary powers under the procedure suggested above.

THE COMMISSION agreed :—

(1) that, where, prior to lst January, 1931, an author had published a new generic name in a work dealing with classification down to the generic level but no further, it was not necessary for the purpose of Proviso (b) to Article 25 that in the work concerned the author in question should have cited trivial names of species under that genus or other genera discussed in the book concerned, provided that it was evident that the author concerned would have applied the principles of binominal nomenclature for species if in the book concerned he had dealt with taxonomic units below the genus level ;

(2) to recommend that words should be inserted in Article 25, embodying, in relation to Proviso (b) to that Article, the interpretation given in (1) above ;

(3) to render an Opinion stating that, for the reasons given in (1) above, the generic names published in

310 International Commission on Zoological Nomenclature.

Tonna” Brunnich, 1771 (Class Gastro- poda), placed on

the Official List

of Generic Names in Zoology

The word

“* Cercopithecus, validated as a generic name as from Linnaeus, 1758 (Class Mammalia, Order Primates),

Briinnich, 1771, Zoologiae Fundamenta complied with the requirements of Article 25 of the Régles ;

(4) to recommend that a provision should be inserted in the Régles prescribing that, where the Commis- sion gave a ruling that a given book of previously doubtful status satisfied the requirements of Article 25, it should be the duty of the Com- mission, in consultation with specialists, to examine the names first published in that book and, having done so, (a) to place on the appropriate Official List’? such of the names concerned as are (i) nomenclatorially available and (ii) the oldest available names for the taxo- nomic units concerned, save, in the latter event, where, in the opinion of the Commission, the adoption of the name concerned would cause instability and confusion in the nomenclature of the group concerned, in which case the name in question should be suppressed under the plenary powers, and (b) to place on the appropriate Official Index” any name found to be either not available nomenclatorially or not the oldest name for the taxonomic unit in question, together with any name or names suppressed under the plenary powers in accordance with (a) above.

3. Arising out of the discussion on the proposal (file Z.N.(S.)151) in regard to the status of generic names first published in Briinnich, 1771, Zoologiae Fundamenta, recorded in Conclusion 2 above, THE COMMISSION agreed :—

(1) to place the generic name Zonna Briinnich, 1771, Zool. Fundamenta: 248, 232 (type species: Buccinum galea Linnaeus, 1758, Syst. Nat. (ed. 10), 1: 734, designated by Suter, 1913, Manual N.Z. Moll. : 314) on the Official List of Generic Names in Zoology ;

(2) to place the specific trivial name galea Linnaeus, 1758 (as published in the binominal combination Buccinum galea), on the Official List of Specific Trivial Names in Zoology ”’ ;

(3) to render an Opinion recording the decisions set out in (1) and (2) above.

4. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that one of the names which, as matters now stood, was a name first published by Briinnich in the Zoologiae Fundamenta, was the name _ Cercopithecus Briinnich, 1771 (Class Mammalia, Order Primates). This

and type species designated, under the plenary powers

** Limulus Muller, 1785 (Class Arachnida, Order Xiphosura)

placed on the

Official List of Generic Names in Zoclogy by

Opinion 104,

a synonym of

“Xiphosura

12th Meeting, Paris, July, 1948. 311

word had originally been published in the nominative plural (as “Cercopitheci”’) by Linnaeus in 1758 (Syst. Nat. (ed. 10), 1: 26), as the name of a subdivision of the genus Simia Linnaeus, 1758. It possessed no status, however, as. a subgeneric name as from that date, for in Opinion 124 the Commission had ruled that these infra-generic group names, as used by Linnaeus in 1758, were'not to be accepted as of subgeneric rank as from the date of being so published. Unfortunately, however, in an earlier Opinion, Opinion 104 (published in 1928), the Commission had inadvertently accepted a proposal that Cercopithecus, attributed to Linnaeus, 1758, should be placed on the Official List of Generic Names in Zoology (with Simia diana Linnaeus, ‘1758, as type species). This error must be rectified either by deleting the foregoing entry from the Official List or by validating it under the Commission’s plenary powers. The latter course was the one which he (the Acting President) recommended. If this course were to be adopted no problem would arise in connection with the name Cercopithecus Briinnich, 1771.

THE COMMISSION agreed :—

(1) to use their plenary powers to validate the name Cercoyithecus as from Linnaeus, 1758, and to designate Simia diana Linnaeus, 1758, as the type species of this genus ;

(2) .to confirm, in the light of (1) above, the (previously erroneous) entry of the name Cercopithecus Linnaeus, 1758 (type species as specified in (1) above), made in the Official List of Generic Names in Zoology” in accordance with the directions given in Opinion 104 ; to place the specific trivial name diana Linnaeus, 1758 (as originally published in the combination Simia diana Linnaeus, 1758), on the Official List of Specific Trivial Names in Zoology ; and the name Cercopithecus Briinnick, 1771, on the “Official Index of Rejected and Invalid Generic Names in Zoology ;

(4) to render an Opinion setting out the decisions recorded in (1) to (3) above.

5. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) next drew attention to the fact that, as pointed out by Mr. Winckworth (1945, Bull. zool. Nomenel.,1 : 116), one effect of accepting the new generic names published by Briinnich in his Zoologiae Fundamenta of 1771 was to validate as from that date the generic name Xiphosura Briinnich, with Monoculus polyphemus Linnaeus, 1758, as type species, This result was objectionable from two points

(3

~—

312 International Commission on Zoological Nomenclature.

Brunnich, 1771 : situation so disclosed to be given immediate consideration

Orthoceros Brinnich, 1771: decision on postponed, pending further consultations with palaeontologists

of view : (1) Monoculus polyphemus Linnaeus, 1758, was the type species of the well-known genus Limulus Miiller, 1785, the name of which had been placed on the Official List of Generic Names in Zoology”? by Opinion 104. In the ~ circumstances now disclosed, that entry was seen to have been erroneous and must now either be validated (under the Commission’s plenary -powers) or cancelled. (2) The genus Limulus Miiller belonged to the Order Xiphosura of the Class Arachnida, and it would be objectionable to have in an Order a genus bearing the same name (Xiphosura Briinnich) as that of the Order itself. It appeared to him (the Acting President) that this was a case where the strict application of the Régles would lead to greater confusion than uniformity, but he thought that it would be desirable that the Commission should take the views of interested specialists before reaching a decision. The matter was urgent, however, for it should certainly be settled before the Official List of Generic Names in Zoology” (now in the press) was published in book form.

THE COMMISSION agreed :—

that consideration should be given as soon as possible after the close of the present (Paris) Congress to the question whether the name Limulus Miiller, 1785, erroneously placed on the Official List of Generic Names in Zoology” by Opinion 104 should be validated under the plenary powers or alternatively be removed from the Official List’, and that to this end the Secretary to the Commission be asked to prepare a Report on this subject, with recommenda- tions, for the consideration of the Commission.

6. THE ACTING PRESIDENT (MR. FRANCIS HEMMING), referring to the generic name Orthoceros, which now became an available name as from Briinnich, 1771, said that, prior to the opening of the present (Paris) Congress, he had had correspondence with Mr. Winckworth on the question whether it was desirable that this name should be suppressed by the Commission under their plenary powers. He had had also correspondence on this subject with Dr. A. K. Miller (U.S.A.), Dr. Kurt Teichert (University of Western Australia) and others (file Z.N.(S.)44). In view of the interest of palaeontologists m this name, he suggested that the Commission should at this point confine themselves to taking note of Mr. Winckworth’s suggestion that the name Orthoceros Briinnich, 1771, should be suppressed for nomenclatorial purposes and should defer taking a final decision on this question until the views of palaeontologists had been more fully ascertained,

Manatus Brunnich, 1771, Rosmarus Brunnich, 1771, and Ammonia’ Brunnich, 1771: Report on, asked for

Brisson, 1762, “Regnum Animale (status of generic names published in) : Consideration of, Postponed

12th Meeting, Paris, July, 1948. 313

THE COMMISSION agreed :—

to invite the Secretary to complete as quickly as possible his consultations with palaeontologists on the action to be taken in regard to the generic name Orthoceros Briinnich, 1771, and in the light of those consultations and of the present discussion, to submit a proposal to the Commission for consideration,

7. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that there were three generic names (Manatus, Rosmarus, Ammonia) which, in consequence of the decision which had just been taken (in Conclusion 2 above) that new generic names published in Briinnich’s Zoologiae Fundamenta satisfied the requirements of Article 25 of the Réegles were now seen first to have been validly published in the foregoing work, In accordance with the procedure which the Commission had agreed (in the same Conclusion) to adopt in such cases, these three generic names should either be placed on the appropriate Official List’ or Official Index or, as the case might be, sup- pressed by the Commission under their plenary powers.

THE COMMISSION agreed :-—

to invite the Secretary to confer with specialists in the groups concerned with the purpose of submitting a Report, with recommendations, on the action to be taken in regard to the following generic names first validly published by Briinnich in 1771 in his Zoologiae Fundamenta: (1) Manatus Briinnich ; (2) Rosmarus Briinnich: (3) Ammonia Briinnich.

8. In the course of the discussion of the generic names first published by Briinnich in 1771 in his Zoologiae Funda- menta recorded in the preceding Conclusion, THE ACTING PRESIDENT (MR. FRANCIS HEMMING) observed that the status of five of the generic names published in that work (Lutra, Hyaena, Giraffa, Tapirus, Ceratodon) could not be finally determined until a decision had been taken by the Commission on the status of the generic names published by Brisson in 1762 in the Second Edition of his Regnum Animale, for each of the five names concerned had been published by Brisson in the foregoing work and should be attributed to that author if the Regnum Animale were to be found to comply with the requirements of Article 25 of the Régles. If however it were necessary to reject that work, then Briinnich’s Zoologiae Fundamenta was the

314

Hyaena Brisson,

> Lutra Brisson,

1762, and

International Commission on Zoological Nomenclature.

first work in which those names had been validly published with an indication by a binominal author. Continuing, the Acting President said that, as the Commission would recall, the question of the availability of names in Brisson’s Regnum Animale had been submitted to them for decision in a brief note prepared by Dr. G. H. H. Tate (American Museum of Natural History, New York) (file Z.N.(S.)124), which had been published in 1945 (Tate, 1945, Bull. zool. Nomencl. 1: 115). Having regard to the importance of this question to mammalogists and in view also of the rarity of Brisson’s Regnum Animale, he (the Acting Presi- dent), in his capacity as Secretary to the Commission, had come to the conclusion that a full presentation of the issues involved was desirable before a decision was taken by the Commission. He had accordingly prepared for the con- sideration of the Commission a paper on this subject, illus- trated by facsimile reproductions of extracts from Brisson’s book. This paper would be published as soon as possible in the Bulletin of Zoological Nomenclature. In the circum- stances, he (the Acting President) suggested that the Commission should defer taking a decision on the status of the names in Brisson’s Regnum Animale of 1762 until they had had an opportunity of studying the paper referred to above but that, in taking this decision, they should take note of the fact that, if the foregoing work were to be rejected as not satisfying the requirements of Article 25, the place in which the five generic names to which he had referred would be found to have been first validly published in conditions which satisfied the requirements of Article 25 would be Briinnich’s Zoologiae Fundamenta of 1771

THE COMMISSION agreed :—

(1) to take into consideration the question of the status of generic names first published in Brisson, 1762, Regnum Animale, as soon as possible after the publication in the Bulletin of Zoological Nomenclature of the paper on this subject prepared by the Secretary ;

(2) to take note that, if it were found that the above work did not satisfy the requirements of Article 25, the names of the undermentioned genera in the Class Mammalia Lutra, Hyaena, Giraffa,

_ Tapirus, Ceratodon would be found to have been first published by Briinnich in 1771 in his Zoologiae Fundamenta.

¥ 9. Arising out of the discussion on the item recorded in Conclusion 8 above, THE COMMISSION agreed :—

to defer, until a decision had been reached on the

i i

<a

Meles Brisson, 1762:

postponement of proposal for addition to the

Official List of Generic Names in Zoology ”, pending decision on status of Brisson’s Regnum Animale” under Proviso (b) to Article 25

Clerck, 1757,

Aranei Svecici : Proposed

validation for nomenclatorial purposes of the names published in: discussion on,

concluded

(Previous reference: Paris Session, 10th Meeting, Conclusion 5)

12th Meeting, Paris, July, 1948. 315

question of the availability of generic names published in Brisson in 1762, Regnum Animale, consideration of the proposal submitted by the late Dr. C. W. Stiles (file Z.N.(S.)177) (on which a note had been published by Secretary Hemming, 1945, Bull. zool. Nomencel., 1: 112-113) that there should be added to the Official List of Generic Names in Zoology ”’ the names of three genera (Hyaena, Lutra, Meles) of the Order Carnivora (Class Mammalia) published by Brisson in the Regnum Animale, from species of which had been reported parasites common to Man.

10. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) proposed that at this point the Commission should resume their consideration of the proposal that the names published in 1757 in Clerck’s Aranei svecici should be accepted for nomenclatorial purposes; notwithstanding that, having been published before 1758, those names had been published before the starting point of zoological nomenclature, which had been submitted to the Commission at their Tenth Meeting (held concurrently with the Second Meeting of the Section on Nomenclature) by Professor Pierre Bonnet (France) on behalf of a large group of Arachnologists. The Commission would recall that, on the adjournment of their earlier discussion of this problem, he (the Acting President) had handed the dossier relating to

_ this case (file Z.N.(S.)238) to Professor L. di Caporiacco as

the Arachnologist member of the Commission and had intimated that he would call upon him to open the discussion when the Commission reverted to the consideration of this problem. .

PROFESSOR L. DI CAPORIACCO (ITALY) said that, in accordance with the request made to him by the Acting President at the tenth meeting of the Commission held on 24th July, he had carefully studied the whole dossier relating to the application for the validation of the names for certain species of spiders published in 1757 in Clerck’s Aranei svecici. For the reasons which he proposed to place before the Commission he was satisfied that it was desirable that they should take appropriate steps, either under the plenary powers or otherwise, to validate these names, ,

It should be noted, first, that in his Aranei svecici

_ Clerck used a strictly binominal terminology in describing

the species dealt with in that work. The descriptions given by Clerek were fully recognisable : there was no doubt at all regarding the identity of the 68 nominal species concerned, of which 55 were to-day universally accepted as good species,

316

International Commission on Zoological Nomenclature.

while the remaining 13 nominal species were perfectly recognisable synonyms of other species described by Clerck in the same work. When one turned to Linnaeus, one found that most of the species which he described would be unrecognisable, if in a number of cases he had not himself cited the names previously published by Clerck or if in other cases there had not been other sources from which it could be shown that the nominal species in question were synonyms of species described by Clerck.

Almost all Arachnologists since the time of Linnaeus had adopted the names published by Clerck and had attributed those names to Clerck, instead of adopting the names published by Linnaeus or, when the names were the same, attributing them to Linnaeus. Professor Bonnet had given some very interesting statistics regarding the number of times on which the names published by Clerck had been used by Arachnologists in preference to those of Linnaeus, prior to the year 1892 when it was laid down in the Régles adopted by the Second International Congress of Zoology at its meeting held in Moscow that the year 1758 was to be accepted as the starting point of zoological nomen- clature. These statistics showed that during this long period the names published by Clerck were used three times as frequently as those published by Linnaeus.

In spite of the decision taken in 1892 there was no change after that year in the practice of Arachnologists in this matter. An overwhelming majority continued to use Clerck’s names in preference to those of Linnaeus. In the 56 years concerned Clerck’s names had on the average been used four times as frequently as those of Linnaeus. The balance of usage in favour of Clerck’s names thus actually increased after 1892. It could be said that in modern times only the German and Hungarian Arachno- logists had used the names published by Linnaeus in preference to those of Clerck, but even those Arachnologists, had realised that Clerck’s names were so much better known than those of Linnaeus that, in order to make themselves understood by other specialists, they had adopted the practice of citing Clerck’s names in brackets whenever they used the Linnaean names.

Looking forward into the future, there was no prospect that the situation was likely to change with the passage of time. It should be noted that in all works dealing with the arachnological fauna of particular countries the names used were those of Clerck and not those of Linnaeus. Thus, when a young student first studied the Class Arachnida, he always became acquainted with the commonest Kuropean species under the Clerckian names; when he had become

12th Meeting, Paris, July, 1948. 317

thoroughly accustomed to using those names, it was unlikely that he would later be willing to abandon them in favour of those published by Linnaeus. Professor Bonnet had made an inquiry on this subject among all working Arachnologists. Of the 62 specialists consulted, 47 used the Clerckian names, while 13 used those of Linnaeus ; the remaining two, not being workers on the Kuropean fauna, had no occasion to use either the Clerckian or the Linnaean names. Professor Bonnet had been prevented by circum- stances from obtaining replies from two of the specialists who used the Linnaean names, but, as regards the remaining 11, it was noteworthy that seven—that was, a substantial majority—had declared themselves as being in favour of the Clerckian names. Thus, out of the total of 62 specialists in Arachnida, four only had declared themselves as opposed to the adoption of Clerck’s names. Of these, one was an Australian who had never dealt with the spiders of Europe, with which alone the names of Clerck were concerned, while another (Mr. Hull) used the trivial names of Clerek, while refusing to accept the generic name Araneus Clerck (or indeed the generic name Aranea Linnaeus).

As there was almost complete unanimity in favour of the validation of Clerck’s names, it would be useful to examine the nature of the reasons advanced against that course. These were found to be two in number,

First, it was argued that Clerck’s name Araneus” was not a generic name, because he divided his Genus Araneus into a number of families. If this was a valid argument, then not only the generic name Araneus Clerck but also the genera established by Latreille, Walckenaer and some of the other early entomologists would have to be rejected, for they were all accustomed to divide their genera into what they termed families. The fact was that in the XVIIIth century and the early part of the XIXth century the expression family had an entirely different meaning from that which it had since acquired. Zoologists did not reject—and no zoologists had urged the rejection of—the generic names published by Latreille, Walckenaer and others on the ground that they divided their genera into families, There was therefore no reason why on this account the names published by Clerck should be rejected.

The second argument which had been advanced against the acceptance of Clerck’s names was prompted by the fear of creating a precedent: once the inviolability of the year 1758 had been abandoned for one group, there was risk, it was argued, that specialists in other groups might ask for similar exceptions. Against this argument must be set the fact that there was almost complete unanimity among

318

~ International Commission on Zoological Nomenclature.

Arachnologists in favour of an exception being made for Clerck’s names, while the fact that the number of workers in other groups was much greater than the number of workers on the Arachnida made it virtually impossible to secure among, for example, malacologists or ornithologists (who would be the groups most likely to raise such proposals) the same degree of unanimity as was found among the 62 Arachnologists.

There was therefore no good ground for rejecting the request for the validation of the Arachnid names published by Clerck in 1757. On the other hand, the refusal of that request would mean that in the future, as in the past, the commonest Huropean spiders would be designated either by names which were not in accordance with the Régles Internationales or be known by a double name (the Linnaean and the Clerckian). In either case, the result would be greater confusion than uniformity.

A LONG DISCUSSION then ensued in which general agreement was expressed in regard to the need for meeting the wishes of the applicants, and in which, in consequence, attention was concentrated upon the means to be adopted to secure this end. On the one hand, it was evident that any decision, to produce the results desired, must be such that it gave precedence to the Clerckian names over those published by Linnaeus in the 10th edition of the Systema Naturae, which, under the terms of Article 26 of the Régles, when read with the interpretation given in Opinion 3, was deemed to have been published on Ist January, 1758, and therefore prior to any other zoological work published in that year. On the other hand, it would be embarrassing to validate the Clerckian names as from the date of their publication in 1757, for this would run counter to another provision in Article 26, namely that lst January, 1758, was to be taken as the starting point of zoological nomenclature. In the course of the discussion, a suggestion was put forward that the Commission should overcome these difficulties by using their plenary powers to prescribe that Clerck’s Avanei svecict was to be deemed to have been published in 1758 on some date prior to the publication of the Systema Naturae of Linnaeus, but this suggestion was rejected on the grounds that it would be objectionable deliberately to falsify the date of publication of a book, of which the true date of publication was well known. It was then suggested that, while it should be recognised that Clerck’s Aranei svecict was published in 1757, it should be laid down by the Commission that for nomenclatorial purposes names published in that work were to be accorded priority (under Article 25) as from 1758 and were to be granted precedence

12th Meeting, Paris, July, 1948. 319

over names for the same taxonomic units (the genus Araneus and the species placed by Clerck in that genus) published by Linnaeus in 1758 in the 10th edition of the Systema Naturae. The view was expressed, however, that, having regard to the exceptional character of the present case, it would be preferable that the proposed decision should be expressly recorded in Article 26 as an exception to the general rule there laid down rather than that the Commission should act in this matter under their plenary powers (as they clearly could, if they were so to decide) and that the decisions so taken should then be recorded in the Schedule to the Reégles set apart for the recording of decisions taken under those powers. It was important to mark in every possible way the exceptional character of the decision taken in the present case.

THE COMMISSION agreed to recommend :—

that a proviso should be added to Article 26 directing that, notwithstanding the general provisions of that Article, the generic name Araneus and the specific trivial names for species of the Class Arachnida published in 1757 in Clerck’s Aranei svecici are to be treated as though they had been published subsequent to the starting point of zoological nomenclature and are to have priority as though they had been published in the year 1758 on some date prior to the publication of the 10th edition of Linnaeus’s Systema Naturae.

Bilharzia” Meckel 11. THE COMMISSION had under consideration the von Hemsbach, following papers relating to the case of the generic names 1856, suppressed, Bilharzia Meckel von Hemsbach, 1856, and Schistosoma feesdisaeed cies Weinland, 1858 (Class Trematoda, Order Digenea) (file Weinland, 1858 Z.N.(S.)138) :—

(Class Trematoda), wae : ; validated, under the (a) an application received from Dr. H. Vogel, Institut

plenary powers fiir Schiffs- und Tropenkrankheiten, Hamburg, for a declaration that the generic name Bilharzia attri- buted to Meckel von Hemsbach, the first author by whom it was published, and with priority as from 1856 (the date on which it was published by that author) had precedence over, and should be used in place of the later name Schistosoma Weinland, 1858,

é published for the same species (Vogel, 1947, Bull. zool. Nomencl., 1: 193-194) ;

a note by the Secretary to the Commission drawing attention to the fact that the name Schistosoma Weinland, 1858, had been placed by the Commission on the Official List of Generic Names in Zoology

(b

~—

VoL, 4x

320

International Commission on Zoological Nomenclature.

by a decision taken in their Opinion 77, and that, in consequence, the recognition of the prior rights of the name Bilharzia Meckel von Hemsbach, 1856 (the existence of which was not known to the Commission when they rendered their Opinion 77) would involve the removal of the name Schistosoma Weinland, 1858, from the Official List,” and inviting interested specialists to inform the Commission whether they considered that in the circumstances the removal of the name Schistosoma Weinland, 1858, was desirable or whether it would be preferable, in the interest of avoiding confusion that the Commission should use their powers to . suppress the name Bilharzia Meckel von Hemsbach, 1856, and to validate the name Schistosoma Weinland, 1858 (Hemming, 1947, Bull. ool. Nomencl., 1: 195-196).

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that in response to the invitation contained in the paper published by himself in the Bulletin of Zoological Nomenclature in 1947 and of the notices on the subject to which it had given rise in the journal Science, 15 specialists had written to him on this subject, of whom one only was in favour of the strict application in this case of the Law of Priority and in consequence of the use of the name Bilharzia Meckel von Hemsbach, while 14 were in favour of the use by the Commission of their plenary powers to validate the name Schistosoma Weinland. Since his arrival in Paris, Professor K. Mansour (Egypt) had spoken to him in regard to this case and had indicated that he was in favour of reviving the use of the name Bilharzia. Of the specialists who had communicated their views on this subject, the two who favoured the name Bilharzia were British and Egyptian respectively, while of the 14 who favoured the suppression of that name in favour of the name Schistosoma, 12 wrote from the United States, one from Canada, and one from Great Britain. The Acting President added that it appeared clear to him that there was an overwhelming consensus of opinion in favour of the validation of the name Schistosoma Weinland. The Commission had placed that name on the Official List in good faith, believing it to be the oldest name for this important genus, it being then thought by all concerned that the name Bilharzia had not been published until 1859 (by Cobbold), i.e. not until a year after the publication of the name Schistosoma. They certainly would not have taken that action at that time, when the name Bilharzia (attributed to Cobbold) was in wide use if they had known what the true position was. In the 26 years that had elapsed since the name Schistosoma was

VOL. 4 x?

12th Meeting, Paris, July, 1948, 321

placed, though erroneously, upon the Official List,” that name had very largely replaced the name Bilharzia; new issues were therefore raised by the discovery that Bilharzia was the older name, for it was necessary to consider also the effect on medical literature of a reversal of the practice which for over a quarter of a century had been believed to possess the highest nomenclatorial authority. In view of the general sense of the advice received from interested specialists, he (the Acting President) recommended that the Commission should use their plenary powers to suppress the name Bilharzia Meckel von Hemsbach, 1856, and to validate the name Schistosoma Weinland, 1858,

e The following are the names of the specialists who made Tepresentations to the Commission either in favour of the name Bilharzia or of the name Schistosoma:—

(1) Specialists in favour of the name Bilharzia

Professor E. T. Leiper, London School of Hygiene and Tropical Medicine, Institute of Agricultural Parasitology, St. Albans, England.

Professor K. Mansour, Fouad University, Cairo, Egypt. (2) Specialists in favour of the name Schistosoma :—

Dr. H. A. Baylis, British” Museum (Natural History), Department of Zoology, London, England.

Professor Harold Kirby, University of California, Depart- ment of Zoology, Berkeley, Cal., U.S.A.

Dr. W. H. Wright, Chief, Division of Tropical Diseases, National Institute of Health, Bethesda, Maryland, U.S.A.

Dr. Eloise B. Cram, Medical Parasitologist, Division of Tropical Diseases, National Institute of Health, Bethesda, Maryland, U.S.A.

Dr. Louis J. Olivier, Senior Assistant Scientist, Division of Tropical Diseases, National Institute of Health, Bethesda, Maryland, U.S.A.

Dr. Myrna F. Jones, Zoologist, Division of Tropical Diseases, National Institute of Health, Bethesda, Maryland, U.S.A.

Dr. Mabelle O. Nolan, Zoologist, Division of Tropical Diseases, National Institute of Health, Bethesda, Maryland, U.S.A.

Dr. T. W. M. Cameron, Director, Institute of Parasitology, Macdonald College of McGill University, Que., Canada.

Dr. M.S. Ferguson, U.S. Public Health Service, Communiec- able Disease Center, Atlanta, Georgia, U.S.A.

Dr. Hugh Pankhurst, Gloucester, Mass., U.S.A.

Professor Ernest Carroll Faust, The Tulane University of Louisiana, School of Medicine, Department of Tropical Medicine, and Public Health, New Orleans, U.S.A.

Dr. David S. Ruhe, U.S. Public Health Service, Com- municable Diseases Center, Atlanta, Georgia, U.S.A.

Professor Deane P. Furman, University of California, College of Agriculture, Division of Entomology and Parasitology, Berkeley, Cal., U.S.A.

Professor Charles H. Blake, Massachusetts Institute of Technology, Department of Biology, Cambridge, Mass., U.S.A.

322

International Commission on Zoological Nomenclature.

In the discussion which followed PROFESSOR R. L. USINGER (U.S.A.) supported the proposal that the plenary powers of the Commission should be used to validate the name Schistosoma which had become deeply embedded in the literature relating to the Trematoda and in medical literature generally. Nothing but confusion would result if it were necessary to revert to the name Bilharzia.

PROFESSOR K. MANSOUR (EGYPT) said that this problem was one of special interest to Egyptian zoologists and Egyptian medical men, for it was in Egypt that the disease bilharziasis was of special importance; the name Bilharzia was still universally used in Egypt for the Trematode parasite concerned. Now that it was clear that the name Bilharzia had priority over the name Schistosoma, it should be brought back into universal use.

DR. ELLSWORTH C. DOUGHERTY (U.S.A.) (a member of the Section on Nomenclature present at the meeting) strongly supported the proposal that the name Schistosoma should be validated. Any other course would lead to confusion in medical literature.

COMMISSIONER H. BOSCHMA (NETHERLANDS) expressed support for the proposal that in the circumstances the name Schistosoma should be validated, in spite of the fact that at one time the name Bilharzia had been much more frequently used.

PROFESSOR K. MANSOUR (EGYPT) said that he recognised that American workers used the name Schistosoma in preference to the name Bilharzia, but the medical problem involved, and therefore the nomenclatorial issue, was of much more direct concern to Egyptian workers who had never used the name Schistosoma. He recognised that the balance of opinion was in favour of validating the entry of the name Schistosoma on the “‘ Official List.”” Nevertheless, this was not a proposal which he could support, and he would feel bound to vote against it.

THE COMMISSION, Professor Mansour dissenting, agreed :— (1) to use their plenary powers :—

(a) to suppress for the purposes of Article 25 the generic name Bilharzia Meckel von Hemsbach, 1856 (Class Trematoda) ;

(b) to validate the name Schistosoma Weinland, 1858 (Class Trematoda) ;

(2) to confirm the entry of the name Schistosoma Weinland, 1858, on the Official List of Generic Names in Zoology ”’ ;

Miscellaneous proposals for the amendment or clarification of the Regles

fifth goes te

(Previous reference: Paris Session, 11th Meeting, Conclusion 7)

The plenary powers of the

International Commission on Zoological Nomenclature :

use of, in relation to particular Purposes ~

(Previous reference: Paris Session, 4th Meeting, Conclusion 3)

12th Meeting, Paris, July, 1948. 323

(3) to render an Opinion recording the decisions specified in (1) and (2) above.

12. THE COMMISSION had before them a memoran- dum by the Secretary (Commission Paper I.C.(48)17) containing a fifth instalment of miscellaneous proposals received from various sources for the amendment or clarification of the Régles. For convenience of reference these proposals, which were 13 in number, had been numbered consecutively with the proposals brought forward in the paper containing the fourth instalment (Commission Paper I.C.(48)16). The present proposals were therefore numbered (81) to (93).

THE COMMISSION agreed :—

to examine Commission Paper I.C.(48)17, point by point, for the purpose of reaching conclusions regarding the recommendations to be submitted on the questions raised therein.

13. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352), set forth in Point (81) in Com- mission Paper I.C.(48)17, that words should be inserted in the Article which, as agreed at the meeting noted in the margin, the Section on Nomenclature had been invited to propose to the Congress should be added to the Régles in regard to the plenary powers of the International Commission on Zoological Nomenclature, the object of the words so proposed to be inserted in the foregoing Article being to draw the attention of the Commission to the need for giving special consideration to certain classes of applications designed to promote stability in nomenclature.

In the ensuing discussion there was general agreement in regard to the foregoing proposal, but the view was ex- pressed that the scope of the proposal should be expanded to cover cases where the resuscitation of a long-forgotten type designation or type selection of a genus would lead to the sinking in synonymy of a well-known generic name or to an alteration of the manner in which such a name should be applied.

THE COMMISSION agreed to recommend :—

that in the Article to be added to the Reégles relating to the grant of plenary powers to the International Commission on Zoological Nomenclature words should be inserted enjoining the Commission to give special consideration to applications for the use of the plenary powers in cases where the applications in question are concerned either (1) to suppress for

324 International Commission on Zoological Nomenclature. 0g

The plenary powers of the

International Commission on Zoological Nomenclature : application to

cases of doubt arising from impossibility of determining the species to which

a given trivial name should apply

nomenclatorial purposes some old long-forgotten or long-ignored work containing new names, the intro- duction of which would sink in synonymy names that are well established in current use, or (2) to suppress any long-ignored name, or in the case of a generic name, any long-ignored type designation or type selection where the acceptance of that name or, as the case might be, that type designation or type selection would in-the first case sink in synonymy, or in the second case, sink in synonymy or alter the meaning to be attached to, some well-known name in current use.

14. THE COMMISSION had under consideration a proposal (file Z.N.(S.)352) submitted by the Secretary in Point (82) in Commission Paper I.C.(48)17 that in the Article to be added to the Régles in regard to the grant of plenary powers to the International Commission on Zoological Nomenclature provision should be made not only to cover (as already agreed) cases where greater confusion than uniformity would result from the strict application of the Régles but also to cover those cases where, owing to the impossibility of determining to which of two or more species a given trivial name should be applied, a serious and irremediable state of confusion was inevitable unless the Commission were empowered to use their plenary powers definitely to select a given species to be the species to which the trivial name in question was to apply. It was explained that, although this proposal contemplated an extension of the plenary powers of the Commission, the extension proposed was concerned not with widening the field in which the Commission was empowered to authorise exceptions being made from the Régles but with providing a means by which the Régles could be strictly applied in those cases where, without the intervention of the Commission, the application of the Régles was impossible and doubt and confusion in nomenclature was inevitable.

THE COMMISSION agreed to recommend :—

that in the Article to be added to the Regles in regard to the plenary powers of the International Commission on Zoological Nomenclature there should be inserted words to make it clear that, included among the classes of case for which those powers may be used are cases where confusion exists and is likely to persist through the impossibility, in the absence of the use of such powers, of determining the species to which a given specific or subspecific trivial name should be applied.

International Commission on Zoological Nomenclature : insertion in the “Regles of an Article relating to composition of

(Previous reference: Paris Session, 11th

Meeting, Conclusion 10)

(Previous reference Paris Session, 3rd Meeting, Conclusion 1)

(Previous reference: Paris Session, 3rd Meeting, Conclusion 3)

12th Meeting, Paris, July, 1948. 325

15. THE COMMISSION had under consideration a note submitted by the Secretary in Point (83) in Commission Paper I.C.(48)17, drawing attention to the fact that now that it had been decided to recommend the inclusion in the Regles of an Article relating to the functions of the Inter- national Commission on Zoological Nomenclature (Point (66) in Commission Paper I.C.(48)16), it was necessary also to include an Article dealing with the composition of the Commission and the method of electing its members. The Article should be in general terms but should specify the principal decisions in this matter taken by the Congress.

THE COMMISSION agreed to recommend :—

that there should be inserted in the Régles a provision dealing in general terms with the composition of the International Commission on Zoological Nomenclature and the method of electing its members, this provision to specify all decisions in this regard taken by the present Congress and to provide, inter alia:—

(a) that the Commission shall consist of such number of members, not being less than 18, as the Congress or the Commission acting on behalf of the Congress, may from time to time determine ;

(b) that one-third of the members of the Com- mission, being those members who have had the longest service as such since their election or, as the case may be, their most recent re-election as members of the Commission, shall vacate their membership of the Commission at each

: successive Congress and that the vacancies so created shall be filled by elections made by the Congress for such periods and subject to such conditions as may from time to time be determined by the Congress, members of the Commission vacating their position as such under the present section being eligible for immediate re-election by the Congress ;

(c) that the number of officers of the Commission, their titles and duties, shall be determined from time to time by the Congress and that, when at a meeting of the Congress, a member of the Commission who holds one of the said offices is one of the members of the Commission who, under (b) above, is required to vacate his membership, the office in question is to be deemed to have fallen vacant and shall be filled by the Congress by election from among the

326 International Commission on Zoological Nomenclature.

( Previous reference: Paris Session, 3rd Meeting, Conclusion 2)

(d

~~

(e)

(f)

members of the Commission, the retiring officer, if re-elected to be a member of the Commission, being eligible for immediate re-election to the office so vacated by him, and further that, until the Congress otherwise determines the Officers of the Commission shall consist of a President, a Vice-President and a Secretary ;

that during periods between successive Con- gresses the Commission may, subject to (a) above, vary the number of members of the Commission and may, in the manner agreed upon at the meeting noted in the margin, elect zoologists to fill additional places so created, may fill casual vacancies which may occur in the membership of the Commission during such periods as the result of death, resignation or otherwise, such elections being made for such periods and subject to such conditions as the Commission may, subject to (b) above, from time to time determine, and may also, subject to (c) above, fill vacancies in the offices of the Commission which during such periods may arise by reason of any of the causes aforesaid ;

that, if, as the result of an emergency, it is not possible to hold a Congress at the appointed time, the Commission or the Executive Com- mittee of the Commission, or failing which, the Secretary to the Commission, may assume and exercise such extraordinary powers as it or he may consider necessary to secure the continued existence of the Commission, pro- vided :—

(i) that the powers so assumed shall not include the power to vary the Reégles or to render Declarations or Opinions on behalf of the Commission ;

(ii) that at the first Congress to be held after the end of such emergency the Commission shall submit a Report to the Congress regarding the extraordinary powers assumed during the emergency and the action taken by the Commission or, as the case may be, the Executive Committee or by the Secretary to the Commission thereunder ;

that, in filling places in the Commission, due regard is to be paid to the need for securing (i) that there is an appropriate balance in the

International Commission on Zoological Nomenclature : insertion in the “Regles of an Article relating to the By-Laws of (Previous reference: Paris Session, 11th Meeting, Conclusion

10)

12th Meeting, Paris, July, 1948.

327

membership of the Commission as between different parts of the world and (ii) that there is an appropriate representation of different types of knowledge and experience (1) in the various branches of the Animal Kingdom as respects both living and fossil species and also (2) of the needs of workers not only in the field of systematic zoology, including palaeo- zoology, but also in such of the applied fields as are concerned with biological subjects.

16. THE COMMISSION had under consideration a note submitted by the Secretary in Point (84) in Commission Paper I.C.(48)17, drawing attention to the fact that now that it had been decided to recommend the inclusion in the Régles of an Article defining the functions of the Inter- national Commission on Zoological Nomenclature (Point (66) in Commission Paper I.C.(48)16), it was necessary also to include an Article relating to the By-Laws of the Commission and specifying the extent to which the Commission was free to alter the provisions laid down therein.

THE COMMISSION agreed to recommend :—

that a provision should be inserted in the Regles providing :—

(a)

(b

~

(c)

that the functions and composition of the Commission and its procedure and other matters concerned with the conduct of its affairs shall be governed by By-Laws to be adopted by the Commission, consisting in part of Organic Articles specifying those matters on which decisions have been taken by the Congress and in part of Articles dealing with other questions relating to the matters aforesaid ;

that the Organic Articles to be incorporated in the By-Laws shall not be subject to change by the Commission, except that in so far as the Congress may from time to time vary the pro- - visions in the Régles relating to the functions, composition and procedure of the Commisison, it shall be the duty of the Commission to amend the relevant Organic Articles to such extent as may be necessary to bring those Articles into harmony with the decisions so taken by the Congress ;

that, in addition to, and subject to the provisions of, the Organic Articles, there may be included

328 International Commission on Zoological Nomenclature.

Article 28 relative merits of the first reviser and

“* page precedence principles :

Report by the Secretary

(Previous reference: Paris Session, 9th Meeting, Conclusion 24)

in the By-Laws such provisions as the Com- mission may deem to be necessary or expedient relating (i) to the election of officers during inter-Congress periods and the duties to be assigned to each such officer, (11) to the election of members of the Commission, (ili) to the methods to be followed in voting on matters requiring decision, and (iv) generally to any other matter concerning the conduct of the business of the Commission ;

(d) that, subject to (b) above, the Commission may at any time vary its By-Laws to such extent and subject to such conditions as it may from time to time decide to be necessary or appropriate ;

(e) that it shall be the duty of the Commission to make arrangements with the International Trust for Zoological Nomenclature (the corporation responsible for the conduct of all financial matters on behalf of the Commission) for the By-Laws of the Commission to be printed by the Trust and for supplies of the By-Laws, so printed, at all times to be held available for sale.

17. THE COMMISSION had under consideration a Report (Point (85) in Commission Paper 1.C.(48)17) prepared by the Secretary to the Commission in response to a request made to him at the meeting noted in the margin, on the subject of the relative advantages of the first reviser”” and “‘ page precedence ”’ principles in relation to names (whether generic or trivial) published in the same book or paper for the same genus or species and to a single name when applied in such circumstances to different genera or to different species.

In this Report the Secretary both summarised the existing position in this matter and drew attention to the diversity of practice among zoologists. The Secretary concluded that the first essential was to redraft Article 28 in such a way as to eliminate all doubt regarding the require- ments of the Régles on this question. Owing to the lack of uniformity in existing practice, some inconvenience was inevitable for individual workers if a common practice was now to be obtained for names in all parts of the Animal Kingdom. There were two important considerations which should be borne in mind : first, the importance of selecting the solution which would be both the most satisfactory on merits and would also be likely to lead to the minimum of inconvenience and disturbance of existing practice ; second, the need for adopting measures to minimise the

12th Meeting, Paris, July, 1948. 329

bad effects of such disturbance in existing practice as was inevitable, whatever solution was adopted. On the first of these points, the Secretary had reached the conclusion that the principle of page precedence was on merits greatly to be preferred to that of the first reviser, owing to the simplicity with which it could be applied, whereas in many cases the application of the second of these principles was a matter of difficulty and doubt ; further, it appeared that a large and increasing number of zoologists were in fact already applying this principle, notwithstanding the present provisions of Article 28. On the second of the points to which he had drawn attention, the Secretary suggested that, where the adoption of the principle of page precedence would lead to hard cases, those hard cases should be met by the Commission through the use of their plenary powers.

A long discussion ensued on the Report submitted by the Secretary, in the course of which general support was expressed for the proposals submitted. Special considera- tion was given to the question whether the new provisions should be given retroactive effect or whether those provisions should apply only to those names, the relative status of which had not been determined under the existing provisions - of Article 28 prior to a date to be specified in the Régles. It was realised, however, that, in view of the fact that a very large number of names were to-day treated as though the principle of page precedence were already enshrined in Article 28, a decision not to make the new provisions retro- active would fail to secure the desired object, for it would involve the widespread disturbance in existing nomen- clatorial practice which it was the object of the Commission to avoid. Moreover, the lack of precision in the existing provisions of Article 28 in regard to the manner in which the first reviser” principle was to be applied (for example, the difficulties often encountered in determining whether in a given work a given author had in fact acted as a first reviser) had led to doubt in many cases as to the way in which those provisions should be applied. On balance, therefore, it was felt that more harm than good would be done if the new provisions were to be brought into operation only as from some future date. At the conclusion of this part of the discussion, the Commission turned to consider the safeguards that could usefully be adopted to remedy the inconvenience arising from the disturbance in existing nomenclatorial practice in certain cases through the grant of retroactive effect to the principle of page precedence. It was generally agreed that it was desirable that there should be attached to the new provision a supplementary provision prohibiting the disturbance of existing practice, without the prior approval of the Commission, and recommending the

330

International Commission on Zoological Nomenclature.

Commission to consider sympathetically applications for the use of their plenary powers in such cases to prevent disturbance of existing nomenclatorial practice, and, in particular, in the case of names of importance in medicine, agriculture, veterinary science and other applied fields of biology or in the teaching of zoology.

THE COMMISSION agreed to recommend :—

(1) that in place of the provisions in Article 28 re- lating to names of the same date there be inserted in the Régles at an appropriate point provisions (a) that, where two or more names were published for the same taxonomic unit, or where the same name was published for more than one taxonomic unit, in the same book or serial or in the same part of any book or serial and were in consequence of identical date, the name printed on the earlier of the pages concerned is to have precedence over the name or names published on a later page, (b) that, where two or more such names are published on the same page, the name which appears on the line nearest to the top of the page is to have pre- cedence over any name or names which appear lower down that page and (c) that, where two or more such names are printed in the same line, a ~ name appearing earlier, is to have precedence over any name or names appearing later, in the same line ;

(2) that the provisions specified in (1) above should be subject to the following conditions :—

(a) that, where the application of the foregoing provision would lead to a change in the name of a taxonomic unit of importance, particularly in the fields of medicine, agri- culture, veterinary science or other applied fields in biology or in the teaching of zoo- logy, specialists may apply to the Commis- sion for the use of its plenary powers to maintain existing nomenclatorial practice and that, on such an application having been submitted, no change in that practice should be made until the Commission’s decision is made known ;

(b) that the said International Commission shall give sympathetic consideration to applica- tions for the use of its plenary powers for the purpose of stabilising names, when requested to do so in accordance with (a) above ;

The use by the ommission 0 their plenary powers: supplementary provisions relating to procedure

(Previous reference: Paris Session, 4th Meeting, Conclusion 3)

12th Meeting, Paris, July, 1948. 331

(3) that the existing Recommandation to Article 28, being inconsistent with the provisions now proposed to be inserted in that Article, should be deleted therefrom.

18. THE COMMISSION had under consideration a proposal (Point (86) in Commission Paper I.C.(48)17) that there should be included in the Schedule which it had been agreed at the meeting noted in the margin should be established for the recording of decisions taken by the

- _ Commission under their plenary powers particulars also of

decisions taken by the Commission refusing applications for the use of those powers. It was proposed also that. pro- vision should be made for the automatic repeal, for all except historical purposes, of Opinions recording decisions taken by the Commission under their plenary powers when those decisions were recorded in a Schedule to the Régles.

There was general agreement that it was desirable that it should be made clear in an appropriate Schedule to the Régles what was the position where the Commission had been asked to use their plenary powers to validate one name by suppressing another but had come to the conclusion that the circumstances did not warrant the use of their plenary powers for the purpose in question. The view was expressed, however, that it was undesirable in such a case that the Commission should stop short by giving a negative decision of this kind. The proper course, it was felt, was that the Commission should in such a case take a positive decision on the issue involved by stating in their Opinion what was the name which should be used under the Régles, that name being at the same time added to the appropriate Official List.”” It was this decision which should be recorded in the appropriate Schedule.

THE COMMISSION agreed :—

(1) that, when in future the Commission refused to grant an application for the use of their plenary powers to validate a given name by suppressing another name, the Opinion to be rendered should not only record the refusal of the Commission to use their plenary powers in the manner proposed but should also state clearly what was the name which under the Régles should be used in the case in question ;

(2) to recommend :—

(a) that the provisions governing the use of the plenary powers should be amended to provide as specified in (1) above ;

332 International Commission on Zoological Nomenclature.

Decisions in regard to individual books or names taken by the Commission otherwise than under their plenary powers : record of, to be made in a Sc: edule to the Régles”

(Previous references: Paris Session, 4th Meeting, Conclusion 3; 9th Meeting, Conclusion 31)

(b) that, whenever a decision, whether validat- ing or suppressing a given book, or a given name, was inscribed in the Schedule to the Régles which at the meeting noted in the margin it had been agreed to establish for the recording of such decisions, the Opinion in which that decision had originally been promulgated should be repealed for all except historical purposes ;

(3) to invite the Secretary to the Commission to examine every Opinion so far rendered, in which an application for the use of the plenary powers had been rejected, with a view to the submission by him of proposals for the completion by the Commission of the decisions so recorded, where those decisions did not comply with the require- ments specified in (1) above.

19. THE COMMISSION had under consideration a proposal (Point (87) in Commission Paper I.C.(48)17) that the decisions already taken during the present Session for the recording in Schedules to the Régles of decisions em- bodied in certain Opinions rendered by the Commission should be extended in such a way as to secure that every decision given in an Opinion rendered by the Commission in regard to the status of a given book or name or nomencla- torial usage (e.g. the determination of the type species of a given genus) should be recorded in an appropriate Schedule to the Régles. It had already been agreed at the Fourth Meeting of the Paris Session that all such decisions whether validating or suppressing a given book, name or usage taken by the Commission under its plenary powers should be so recorded, while at the Ninth Meeting of the same Session it had been agreed that a similar record should be made of every decision where the Commission ruled that a given book or name was not available under the Régles. In order to complete the system of record so begun, it was desirable that there should be recorded in the appropriate Schedule a record of every affirmative decision taken by the Commission, otherwise than under their plenary powers, i.e. every decision that a given book or name was available under the Régles. It was proposed also that, on the transfer to the Schedule concerned of any decision relating to the status, whether available or unavailable, of a given book or name, the Opinion in which that decision had originally been promulgated should be repealed for all except historical purposes.

Official List of Generic Names in Zoology and

Official List of Specific Trivial Names in Zoology” and corresponding Indexes of Rejected and Invalid Names: establishment of Schedules to the

Regles for reception of

(Previous reference: Paris Session, 9th Meeting, Conclusions 41 and 42)

12th Meeting, Paris, July, 1948. 333

THE COMMISSION agreed to recommend :—

(1) that the decision taken at the Ninth Meeting of their Paris Session that there should be established a Schedule in which should be recorded every decision taken by the Commission that a given book or a given name was not available under the Reégles (that is to say every such decision other than a decision taken by the Commission under their plenary powers) should be extended in such a way as to provide also that every such decision, affirming that a given book or name or nomen- clatorial usage was available under the Regles or, as the case may be, correct thereunder should be recorded in the said Schedule ;

that, whenever a decision falling in the classes specified in (1) above was inscribed in the Schedule to the Régles concerned, the Opinion in which that decision had originally been promul- gated should be repealed for all except historical purposes.

20. THE COMMISSION had under consideration a proposal (Point (88) in Commission Paper I.C.(48)17) that two further Schedules should be added to the Régles for the reception respectively of the “Official List of Generic Names in Zoology” and the Official List of Specific Names in Zoology,” and matters consequential thereto.

There was general agreement that, now that (as agreed at the meeting noted in the margin) a provision was to be inserted in the Régles prescribing and defining the scope of the two Official Lists,’ it was desirable that entries of names on those Lists” should be formally recorded in the manner proposed. It was recalled that, since the present proposal had been drafted, the Commission had proposed, and the Section on Nomenclature had agreed, that the title of the second of these Official Lists should be changed to that of “Official List of Specific Trivial Names in Zoology.” It would be necessary therefore to make a corresponding change in the decision to be taken on the present proposal.

The Commission were informed that, in the preparations which had already been made for the publication of the Official List of Generic Names in Zoology in book form there had been added to that “List” an “Index” of rejected and invalid names, giving particulars of all names

~ which the Commission had either suppressed under their

plenary powers or had declared were otherwise unavailable

334

International Commission on Zoological Nomenclature.

under the Régles. This course had been taken because it had been felt that it was only in this way that it would be possible to provide a readily accessible alphabetical list of such names. From the point of view of working zoologists a knowledge of decisions taken by the Commission either suppressing, or declaring invalid, individual names was just as important as a knowledge of the corresponding affirmative decisions. It was accordingly suggested that the Schedules now proposed to be established should be divided into two parts, the first part, in each case, for the reception of the ‘* Official List ’’ concerned, the second for the reception of the corresponding Index of rejected and invalid names.

THE COMMISSION agreed to recommend :—

(1) that further Schedules should be added to the Régles for the reception respectively of the Official List of Generic Names in Zoology” and the Official List of Specific Trivial Names in Zoology” and that Indexes of Rejected and Invalid Generic Names and of Rejected and Invalid Specific Trivial Names should either be added to the respective Schedules concerned or should be recorded in further Schedules, which- ever might be found the more convenient ;

(2) that, in order to prevent the volume containing the Régles and the Schedules thereto already agreed to be established from becoming too bulky, the Schedules referred to in (1) above should be published separately from time to time in parts ;

(3) that, on the forthcoming publication of the Official List of Generic Names in Zoology” (already in the press), the volume so formed should constitute the first instalment of the relevant Schedule referred to above, and that, as from the date of the publication of that volume, all the Opinions rendered by the Commission in relation to names recorded in the Schedule con- cerned should be repealed for all except historical purposes ;

that, as and when sufficient further names should. have been added to the ‘‘ Official List of Generic Names in Zoology ”’ or to the Index of Rejected and Invalid Generic Names ”’ or should have been placed on the Official List of Specific Trivial Names in Zoology” or on the corresponding ‘Index of Rejected and Invalid Specific Trivial Names ’’, further instalments in the first case and instalments in the second case should be added

(4

~~

Incorporation in Schedules to the

Reégles of decisions given in

Opinions ”’ : preliminary cancellation and amendment of certain Opinions

already published

VOL, 4 Y

12th Meeting, Paris, July, 1948. 335

to the appropriate Schedule and thereupon published as further instalments of the supple- mentary volumes of the Régles, as prescribed in (2) above and that the Opinions in which the decisions that the names in question should be placed on an Official List or Index, as the case might be, had been originally published should thereupon be repealed for all except historical purposes.

21. THE COMMISSION had under consideration a proposal (Point (89) in Commission Paper I.C.(48)17) that, prior to the incorporation in Schedules to the Reégles of decisions embodied in Opinions rendered by the Commission, certain of the Opinions in question should be cancelled, because they had either never been correct or were no

longer correct,

and that certain other of those Opinions

should be amended in certain respects. THE COMMISSION agreed :—

(1) that the undermentioned Opinions should, for the reasons severally specified below, be cancelled except for historical purposes :—

(a) Opinion 9 (“The use of the name of a

composite genus for a component part requiring a name’’), because it contained no effective decision ;

(b) Opinions 23 and 24 (“ Aspro versus Cheilo-

dipterus or Ambassis” and Antennarius Commerson, 1798, and Cuvier, 1817, versus Histrio Fischer, 1813 ’’), the decision in each of which was incorrect, being based upon an erroneous interpretation of the expression “nomenclature binaire”’ as hitherto used in the Reégles;

Opinion 32 (““ The type of the genus Sphex’’), because it had been rendered superfluous and misleading by the later decision by the Commission in Opinion 180 to designate the type species of this genus under their plenary powers ;

(d) Opinion 44 (“ Leptocephalus versus Conger ’’),

because it had been rendered superfluous and misleading by the later decision taken by the Commission in Opinion 89 to suppress “Gronow, 1763” under their plenary powers ;

336 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session, 6th Meeting, Conclusion 1)

(Previous reference: Paris Session, 6th Meeting, Conclusion 9

( Previous reference: Paris Session, 6th Meeting, Conclusion 46)

(e) Opinion 74 (“ Apstein’s (1915) List of Nomina Conservanda’”’), because it dealt with a bygone question of procedure and not with nomenclature ;

(f) Opinion 133 (“Urothoe Dana and Phoxo- cephalidae Sars”), because the decision obscurely stated in that Opinion had later been stated with precision in Opinion 141 ;

(2) that, as regards Opinion 76 (‘‘ Status of Pyrosoma

(4

~—

versus Monophora; . Appendicularia and Fritillaria’’), the decision recorded in the second sentence of the summary ”’ should be preserved, but that the remainder of the Opinion should be cancelled, as being no longer correct and not suitable for incorporation in a Schedule to the Regles;

that, m view of the fact that the decision of principle enunciated in the first sentence of the “Summary of Opinion 83 (‘‘ Acanthiza pyrrho- pygra Vigors and Horsfield, 1827, versus Acanthiza pyrrhopygva Gould, 1848 ’’?) was now to be clearly laid down in the Reégles, there was no need to record in the Schedule to the Régles the now self- evident proposition set out in the second sentence and therefore that this Opinion should be cancelled except for historical purposes ;

that, on the incorporation in the Reégles of the decision of principle recorded in the first sentence of the “Summary” of Opinion 88 (“‘ Otarion diffractum versus Cyphaspis burmeistert”’) in the manner agreed upon at the meeting noted in the margin, the decision recorded in the second sentence of the “‘ summary should be preserved when the above Opinion was cancelled for all except historical purposes, subject to the sub- stitution therein, of the word :“‘ available” for the word valid,” the former expression being one to be reserved for nomenclatorial considera- tions while the latter was to be reserved for taxonomic matters ;

that, on the incorporation in the Reégles, and the consequent cancellation, of the interpretative portion of the first sentence of the Summary of Opinion 102 (“ Protocephala Blainville, 1828, versus Protocephalus Weinland, 1858”) in the manner agreed upon at the meeting noted in the margin, the remaining portion of this Opinion

12th Meeting, Paris, July, 1948. 337

should be cancelled, that portion being concerned not with nomenclature but with taxonomy ;

(6) that the decision regarding the name Echino- cyamus pusillus Miiller (O.F.), 1776, recorded in the last two lines of the ‘‘ Summary of Opinion 107 (“ Echinocyamus pusillus versus Echino- cyamus minutus”) should be entered in the appropriate Schedule to the Régles and the remainder of the Opinion cancelled ;

(7) that, on the incorporation in the appropriate Schedule of the decision embodied in Opinion 113 (“ Sarcoptes Latreille, 1802, type scabiei, placed on the Official List’”’), the date given for the generic name Sarcoptes Latreille should be amended, that name dating from a year calculated according to the French Revolutionary Calendar and therefore in a period overlapping into two years calculated in accordance with the Christian era.

Opinions 22. THE COMMISSION had under consideration the I 68, 69, 78, 99, first four of the six proposals relating to Opinions previously

oye odd t rendered by the Commission submitted in Point (90) in decione in vevard Commission Paper I.C.(48)17. tp THE COMMISSION agreed :-—

(1) that the erroneous decision in Opinion 31 in regard to the type species of the genus Columbina Spix should be cancelled and that there should be substituted therefor the amended decision sug- gested by the late Dr. Stejneger and published in 1911 (the year following the issue of the erroneous decision referred to above) as a footnote to the first page of Opinion 38 ; as regards Opinion 68 (‘The type species of Pleuronectes Linnaeus, 1758”) and Opinion 69 (“ The type species of Sparus Linnaeus, 1758 ”) :— (a) that the incomplete and unhelpful decisions given in the foregoing Opinions should be supplemented as soon as possible by Opinions specifying the type species of the genera concerned and placing the generic and trivial names concerned on the relevant Official Lists ; that the Secretary to the Commission be invited to confer with specialists for the purpose of submitting proposals to the Commission to give effect to the decision recorded in (a) above ;

(2

~~

=

VOL. 4y?#

338 International Commission on Zoological Nomenclature.

(c) that on the publication of the supplementary Opinions referred to in (a) above, the decisions so rendered should be inserted in the appropriate Schedules to the Régles and Opinions 68 and 69 repealed for all except historical purposes ;

(3) that, as regards Opinion 97 (‘‘ Did Hiibner’s Tentamen, 1806, create monotypic genera ?”’), the entry to be made in the appropriate Schedule should be that this leaflet was not published within the meaning of Article 25 and therefore that the new names which appeared therein did not acquire availability as from the date on which copies of that leaflet were distributed by its author ;

as regards Opinion 78 (“Case of Dermacentor anderson’ versus Dermacentor venustus”’) and Opinion 99 (““ Endamoeba Leidy, 1897, versus Entamoeba Casagrandi and Barbagallo, 1895 ”’) :—

(4

~—

(a) that the decisions given in the foregoing Opinions should be reviewed by the Com- mission as soon as possible ;

(b) that, pending the conclusion of the review referred to in (a) above, the decisions recorded in the foregoing Opinions should not be incorporated in the Schedules to the Régles ;

(c) that a statement should be issued announc- ing the decisions recorded in (a) and (b) above, stating that, pending the completion of the review specified in (a) above, the matters dealt with respectively in Opinion 78 and Opinion 99 are to be treated as being sub judice, and inviting specialists to communicate to the Commission their views on the action to be taken by way of confirming, modifying or reversing the decisions recorded in those Opimons.

Suppression of 23. THE COMMISSION had under consideration (1) a

kPa under the =~ proposal that the scope of the decision given in Opinion 129

plenary powers: ; ei, :

principles to be to suppress the generic name Bipinnaria Sars, 1835, and

followed certain other generic names published by that author should be clarified and (2) that the Commission should lay down for their future guidance the relative extent to which names should be suppressed under their plenary powers (a) when the object of suppressing a given name is to validate the later use of that name in some other sense, and (b) when the

(Previous reference: Paris Session, 4th Meeting, Conclusion 3)

Schedules to the Regles : procedure to be followed in the transfer thereto of decisions recorded in

Opinions rendered by the Commission

12th Meeting, Paris, July, 1948. 339

object of suppressing the name in question is to validate some other name (fifth and sixth proposals submitted in Point (90) in Commission Paper I.C.(48)17).

THE COMMISSION agreed to recommend :—

(1) that there should be inserted in the Article embodying the plenary powers a provision pre- scribing that the following principles are to be followed by the Commission, when suppressing a generic name or a specific or other trivial name under those powers :—

(a) Where a name is suppressed for the purpose of

validating the use, in some other sense, of the name in question as published at some later date, the name so suppressed is to be suppressed absolutely, so far as concerns its publication by the author, and in the work, cited at the time of its being suppressed, that is to say a name so suppressed is to be suppressed both for the purposes of Article 25 (Law of Priority) and for the purposes of Article 34 (in the case of a generic name) and Article 35 (in the case of a trivial name) (Law of Homonymy) ;

Where a name is suppressed for the purpose of validating some later name given to the same taxonomic unit, the name in question is to be suppressed for the purposes only of Article 25 (Law of Priority) and is to retain its rights under Article 34 (in the case of a generic name) and Article 35 (in the case of a trivial name) (Law of Homonymy) ;

(2) that the principles specified in (1) above are to be applied retrospectively to decisions already taken by the Commission for the suppression of names under their plenary powers, before the decisions in question were recorded in the appropriate Schedule to the Regles in the manner agreed upon at the meeting noted in the margin.

24. THE COMMISSION had under consideration a proposal, submitted in Point (91) in Commission Paper I.C.(48)17, in regard (1) to the method to be adopted in citing names when entries in regard thereto were transferred from Opinions to the appropriate Schedule of the Regles and (2) to the procedure to be followed in correcting any errors in Opinions on questions of fact which might be detected in the course of such transfer.

340

International Commission on Zoological Nomenclature.

THE COMMISSION agreed :—

(1) to invite the Secretary to the Commission as

soon as possible after the conclusion of the present Congress (a) to examine in detail (i) the Opinions so far rendered by the Commission and (ii) the Official Record of the Proceedings of the Commission during its present Session, and (b) on the basis of that examination, to construct for insertion in the Régles, as amended by the present Congress, the Schedules recording decisions taken by the Commission in regard to individual books and individual names, which it had been agreed to attach to the Régles so amended ;

(2) that, when, in accordance with (1) above, any

name on which a decision had been taken by the Commission was so placed in a Schedule to the Régles:—

(a) the name so transferred should be correctly cited and there should be inserted the biblio- graphical reference to the place of publication of that name and, in the case of a generic name, the bibliographical reference both to the place where the name of the type species was first published and to the place wherethat species was designated, indicated or selected to be the type species of the genus in question ;

(b) in the case of a specific trivial name, the generic

name, in combination with which that name was originally published (a particular commonly omitted from the Opinions rendered by the Commission) should be inserted ;

(3) that, if, when the Secretary to the Commission

re-examined the Opinions rendered by the Com- mission with a view to the transfer of their contents to the Schedules to the Régles, that Officer were to find errors or obscurities additional to those dealt with in Conclusions 21 and 22 of the present Meeting, he should at once submit particu- lars of the cases concerned to the Commission and that the Commission should treat as a matter of urgency the correction of such errors, in order to avoid any unnecessary delay in the publication of the Regles as revised by the present Congress and to this end should eliminate all procedural delays, if necessary under suspension of the By-laws.

Official List of Generic Names in Zoology : gender of generic names to be specified in

Revision of the “Régles” by the Paris Congress : arrangements to be made for early promulgation and entry into force

12th Meeting, Paris, July, 1948. 341

25. THE COMMISSION had under consideration a “proposal, submitted in Point (92) in Commission Paper I.C.(48)17, that there should be inserted in the Official List of Generic Names in Zoology” a statement of the gender of every name placed on that List.”

THE COMMISSION agreed to recommend :—

that the provisions relating to the Official List of Generic Names in Zoology to be inserted in the Regles should prescribe inter alia:—

(a) that every Opinion rendered hereafter in which a name or names were added to the said Official List should specify the gender of the name or names concerned ;

(b) that, when any instalment of the Schedule containing the foregoing Official List”, is published, there should be added thereto an alphabetical list of all the names comprised therein and that against each generic name so recorded should be specified its gender.

26. THE COMMISSION had under consideration proposals (Point (93) in Commission Paper I.C.(48)17) in regard to the arrangements to be made for the early pro- mulgation and consequent entry into force of the revision of the Reégles carried through by the present (Paris) Congress.

There was complete agreement in the discussion which took place on the foregoing proposals that it was of the utmost importance that the text of the Regles, as revised by the present Congress, should be promulgated and brought into operation at the earliest possible moment. Working zoologists all over the world would quickly learn that valuable improvements had been made in the Regles at the Paris Congress ; they would be anxious to secure the benefit of those improvements in their current work but would not be able to do so until the revised text had been promulgated. As suggested in the present proposal, such zoologists would however be able to guide themselves in their work even before the revised text of the Régles was available as soon as the detailed record of the Paris decisions was made available by the publication of the Minutes of the Paris Session in the Bulletin of Zoological Nomenclature. Every possible effort shouid therefore be made to expedite the publication of this record. Zoologists had had to wait far too long already for the reform of the Régles and now that an important step in that direction had at last been made, it was essential that every worker should be able to take advantage of the pro- gress so made at the earliest possible moment.

342 International Commission on Zoological Nomenclature.

(Previous reference :

Paris Session, 4th Meeting, Conclusion 12)

Miscellaneous proposals for the amendment or clarification of the Réegles”’: sixth instalment

THE COMMISSION agreed :—

(1) that the Minutes of the meetings of the Commission during their Paris Session should be so drafted as to give a full and detailed account of the decisions taken during that Session and that these Minutes, together with the supporting documents in the light of which many of those decisions had been taken and also the Reports to be submitted by the Commission to the present (Paris) Congress at its final Plenary Session, should be published as soon as possible in the Bulletin of Zoological Nomenclature ;

(2) to recommend :—

(a) that, when the documents specified in (1) above were published in the Bulletin of Zoological Nomenclature in the manner there prescribed, they should be prefaced by a short note ex- plaining the arrangements in hand for the early publication of the revised Régles and advising all zoologists thenceforward to guide themselves in their work by reference to the decisions recorded in the Minutes of the meetings of the Commission and thus proceed as though the revised Régles were already published ;

that the International Trust for Zoological Nomenclature (the corporate body charged with the duty of undertaking all financial work on behalf of the Commission) should be requested in the name of the Congress to publish the revised text of the Régles, as soon as that text had been approved in the manner which had been agreed upon, and that the Regles, as revised by the Paris Congress, should formally enter into force as from the date on which they are so published ;

(c) that an Article should be inserted in the Reégles prescribing the date of their entry into force as from the date specified in (b) above.

(b

~~

27. THE COMMISSION had before them a memoran- dum by the Secretary to the Commission (Commission Paper I.C.(48)18) containing a sixth instalment of miscel- laneous proposals received from various sources for the amendment or clarification of the Régles. For convenience of reference, these proposals, which were ten in number, had been numbered consecutively with the proposals brought

(Previous reference: Paris Session, 12th

Meeting, Conclusion 12)

Article 35

(a trivial name not to be rejected as a homonym where two species having that name are placed in different genera which, through the accident of undetected generic homonymy, bear the same generic name)

(Previous reference: Paris Session, 6th Meeting, Conclusion 1)

12th Meeting, Paris, July, 1948. 343 forward in the paper containing the fifth instalment (Commission Paper I.C.(48)17). The present proposals were therefore numbered (94) to (103).

THE COMMISSION agreed :—

to examine Commission Paper I.C.(48)18, point by point, for the purpose of reaching conclusions regard- ing the recommendations to be submitted on the questions raised therein.

28. THE COMMISSION had under consideration a note submitted by the Secretary to the Commission in Point (94) in Commission Paper I.C.(48)18, further regarding the provisions to be inserted in the Régles in the Articles which it had been agreed at the meeting noted in the margin should replace the existing text of Article 35 relating to specific homonymy. The question raised by the Secretary was concerned with the status of a specific trivial name in a case where two species having identical trivial names were either originally described, or subsequently placed, in different genera but where those genera, through ‘the accident of an undetected generic homonymy, bore the same name as one another.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) recalled that, when the Commission had considered this matter in relation to the proposals submitted in Com- mission Paper I.C.(48)8, they had reached the conclusion, though with some hesitation, that on balance it was de- sirable that in a case of the kind under discussion the later published of the two identical specific names should be rejected as a homonym of the earlier published name. Since the meeting at which this conclusion had been reached, Commissioner Chester Bradley had suggested that it would be well if this matter were further considered by the Com- mission. As a preliminary to such further consideration, he (the Acting President) had re-examined the issues involved, and, as the Commission would see from the note which he had circulated, he had come to the conclusion that this type of case should be treated as falling within the field of generic homonymy (Article 34) rather than that of specific homonymy (Article 35). He accordingly suggested that the Commission should modify the view which they had previously taken in this matter and should recommend the Congress to approve an alternative proposal under which a_ specific or subspecific name would not be liable to rejection as a homonym in a case where two species or subspecies were originally described, or subsequently placed, in different genera, which, however, through the

344 International Commission on Zoological Nomenclature.

( Previous reference: Paris Session, 6th Meeting, Conclusion 1)

accident of undetected generic homonymy, bore the same generic name. If this recommendation commended itself to the Commission, the desired end could be secured by modifying the definitions proposed to be given to the expressions primary homonym and secondary homo- nym” respectively. In order, however, to prevent the risk of any misunderstanding in this matter, it might be advantageous to include in the Régles an express provision on this subject, even though this would not really be necessary if the foregoing definitions were amended in the sense suggested.

IN A SHORT DISCUSSION which ensued, general agreement was expressed with the proposal submitted, it being felt that it would be ritualistic to treat a specific name as a homonym in a case where that species had never been placed in a genus containing a species having the same trivial name, the existence of an older identical binominal combination as the specific name for another species being due solely to an undetected case of generic homonymy.

THE COMMISSION :—

(1) agreed to substitute for the recommendation agreed upon at the meeting noted in the margin in regard to the status to be accorded under the Régles to the name of a species or subspecies having a trivial name identical with that of another species or subspecies which, though not originally described, or subsequently placed, in the same genus, was so described or placed in a genus which, through the accident of undetected generic homonymy, bore the same generic name, a recommendation for the insertion in the Régles of a provision which would secure that in such a case the later published of the two trivial names should not be rejected on grounds of homonymy with the earlier published name ;

(2) agreed, in view of (1) above, to recommend :—

(a) that the reference to cases of apparent specific homonymy arising from an unde- tected generic homonymy should be deleted from :—

(i) the definition of the expressions “primary homonym™” and secon- dary homonym” recommended for insertion in the Régles under Section (2) of the First Conclusion adopted by the Commission at the Sixth of the

Article 25, Proviso (a) (meaning of the expression

indication in relation to generic

and trivial names) :

amplification of previous decision relating to

(Previous reference: Paris Session, 6th Meeting, Conclusion 21)

12th Meeting, Paris, J uly, 1948. 345

Meetings held during their Paris Session ;

(i) the Section of the foregoing Con- clusion numbered (18) ;

(b) that the section of the conclusion referred to in (a)(i) above, numbered (11) should be deleted ; :

that there should be inserted at an appro- priate point in the Régles a provision that, where two species or subspecies bearing identical trivial names are either originally described, or subsequently placed, in different genera which, through the accident of undetected generic homonymy, bear or formerly bore the same generic name, the later published of the two trivial names is not to be rejected on grounds of homonymy with the earlier published trivial name an example being cited.

(Cc

29. THE COMMISSION had under consideration a proposal submitted by the Secretary (Point (95) in Com- mission Paper I.C.(48)18) that a slight amplification should be made in the decision taken at the meeting noted in the margin to codify the decision relating to the interpretation of the expression indication” as used in Proviso (a) to Article 25 in its relation to specific names given by the Commission in their Opinion 1. Through an inadvertence in the drafting of that Opinion, a trivial name published as a substitute for a previously published trivial name would be held to have been published with an indication even if the name so replaced had been a nomen nudum. Similar considerations applied to generic names so published.

THE COMMISSION agreed to recommend :—

that their recommendation agreed upon at the meeting noted in the margin regarding the incorporation in Article 25 of the interpretation of the expression “indication” as used in Proviso (a) to that Article in relation to specific trivial names should be amplified by the insertion of words to make it clear that a trivial name published as a substitute for an earlier but invalid trivial name is to be treated as having been published with an indication ”, only if the name so replaced had itself been published with a description or definition or indication and that a corresponding provision should be inserted in Article 25 in relation to generic names similarly published.

346

Article 30

(species eligible for

selection as the type species where

no nominal species

was distinctly

referred to the genus

by its original author) : amplification of previous decision relating to

(Previous reference: Paris Session, 6th Meeting, Conclusion 39)

Article 30 (clarification of certain ambiguities in)

International Commission on Zoological Nomenclature.

30. THE COMMISSION had under consideration a proposal submitted by the Secretary (Point (96) in Com- mission Paper I.C.(48)18) that a slight amplification should be made in the decision taken at the meeting noted in the margin to insert in Article 30 words to give effect to the ruling given in the last sentence of the “Summary” of Opinion 46 on the subject of the species to be regarded as the type species of a genus originally published with no nominal species distinctly referred to it. Through an inadvertence in the drafting of this portion of Opinion 46, the decision there given was incomplete, for, although that Opinion provided for the case where some later author placed one but not more than one species in such a genus, it contained no provision for the case where the first subsequent author to place a species in such a genus placed in it two or more species.

THE COMMISSION agreed to recommend :— that their recommendation agreed upon at the meeting noted in the margin regarding the insertion in the Régles of words to make it clear what species should be regarded as the type species of a genus originally established with no nominal species distinctly referred thereto should be amplified by the insertion of words providing that, where the first subsequent author to refer such species to such a genus referred to it two or more such species and did not designate or indicate one of those species to be the type species, the species so referred become for the purposes of Article 30 the sole originally included species, from which alone therefore the type species of the genus may be selected by a subsequent author.

31. THE COMMISSION had under consideration the position as regards the selection of a species to be the type species of a nominal genus which arose in cases where the author selecting that species referred not to the occasion on which the generic name in question had first been pub- lished in conditions which satisfied the requirements of Articles 25 and 26 of the Régles but to some other occasion on which the name in question had been published either prior to 1758 or subsequent both to 1757 and to the date on which the name was first validly published within the meaning of the Articles of the Régles referred to above, together with the proposals in regard thereto submitted in Point (97) in Commission Paper I.C.(48)18. It was pointed out that in the case of the earlier generic names, later authors in the XIXth century when selecting type species, had not infrequently attributed those names either to the

12th Meeting, Paris, July, 1948. 347

wrong author or to some work by the correct author other than that in which he first validly published the name in question, with the result, in either case, that the originally included species (from which alone the type species could be selected) might not be, and often in fact were not, the same as those placed in the genera concerned, when the generic names in question were first validly published. It was proposed that words should be inserted in Article 30 to make clear the position in this matter. Again, in some cases, authors, when selecting the type species of a genus, the name of which had first been published before 1758 (i.e. prior to the starting point of zoological nomen- clature, as defined by Article 26), had attributed that name to the work of some author which had been published before the year 1758. In this class of case also the effect was to give the appearance of eligibility for selection as the type species of the genus in question to species, which had not been included in the genus at the later date subsequent to 1757 when the generic name was first published in conditions which satisfied the requirements of Articles 25 and 26, and which therfore were in fact ineligible for being so selected. Rule (g) in Article 30 expressly laid it down that that rule was to be applied rigorously ”’, and it could not be claimed that this injunction had been complied with, when a type selection was based upon the use of the generic name in question in some work other than that in which it was first validly published. Still less could it be claimed that the foregoing provision in Rule (g) had been complied with, when the type selection was based upon the use of the generic name in question prior to 1758, i.e. before the starting point of zoological nomenclature. It was proposed that words should be inserted in Article 30 to make it clear that this kind of procedure did not comply with the requirements of Rule (g) in Article 30 and accordingly that any type selection so made was to be rejected.

THE COMMISSION agreed to recommend :—

that words should be inserted in the Régles to make it clear :—

(a) that Article 30 relates only to the designation, indication or selection of the type species of a nominal genus published subsequent to 31st December, 1757, that is to say to the name of a genus as originally published subsequent to the above date by a given author in a given work, and that the action then taken by that author is alone relevant to the question :—

(i) of what species are to be regarded as having been originally included in the

348

Subspecific

trivial names : position where,

on being first published, such a name is preceded by a serial letter or by a serial numeral

(Previous reference: Paris Session, 6th Meeting, Conclusion 14)

Revision of the

Regles by the Paris Congress : date of entry into force

International Commission on Zoological Nomenclature.

genus concerned for the purposes of

Rules (e), (f) or (g) in the foregoing

Article ; or

of whether the type species of the genus

in question is to be treated as having been

designated under Rules (a), (b), (c) or (d)

of the foregoing Article at the time of the

original publication of the generic name concerned ;

(b) that no selection of the type species for a given nominal genus, which is related to any publica- tion of the name of that genus other than its first valid publication by its author or, as the case may be, the first subsequent such publica- tion in which one or more species were dis- tinctly referred to the genus so named, is to be accepted as a selection of the type species of that genus for the purposes of Rule (g) in Article 30.

32. THE COMMISSION had under consideration the _ position of subspecific trivial names originally published in lists in which they were preceded by serial letters (file Z.N.(S.)352), submitted in Point (98) in Commission Paper I.C.(48)18. It was desirable that it should be made clear in the Régles that, where a subspecific trivial name was published in the foregoing circumstances, the serial letter by which it was preceded, when originally published, did not form part of the name in question.

It was pointed out that this proposal did no more than apply to the trivial names of subspecies the decision already taken in regard to the trivial names of species. As in the case of the latter class of name, the decision now to be taken should apply to names preceded by serial numerals as well as to names preceded by serial letters.

THE COMMISSION agreed to recommend :— that words should be inserted in the Régles to make it clear that, where a subspecific name was first published in a list in which the trivial name of the subspecies was preceded by either a serial letter or a serial numeral, that letter or numeral did not form part of the trivial name in question.

(ii

~—

33. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) explained that the next Point in Commission Paper I.C.(48)18 (namely Point (99) ) had been inserted by inadvertence, the question of the date of entry into force of the Régles as revised by the present Congress (with which

(Previous reference: Paris Session, 12th

Meeting, Conclusion 26)

Article 34 and

Opinion 116 (position as regards homonymy of generic names differing from one another only by the terminations

“nus” and “-mus”)

(Previous reference: Paris Session, 6th Meeting, Conclusion 43)

12th Meeting, Paris, July, 1948. 349

this Point was concerned) having been dealt with in the earlier Point (93) in Commission Paper I.C.(48)17._ The Commission had now taken a decision on the question raised in Point (93) and in consequence no action was required on Point (99).

THE COMMISSION took note of the above statement.

34. THE COMMISSION had under consideration the interpretation of Article 34 (relating to generic homonymy) and Opinion 116 (which laid it down that two generic names differing from one another by having in the one case the termination -nus and in the other case the termina- tion “-mus” were not to be regarded as being homonyms of one another) and the proposals in regard thereto sub- mitted in Point (100) in Commission Paper I.C.(48)18.

In the discussion of this question the view was expressed that it was not necessary or desirable to insert in the Régles provisions recording negative decisions such as that given in Opinion 116, in view of the fact that it had been agreed to recommend that words should be inserted in Article 34 to make it clear that the list of differences in spelling which were to be ignored in determining whether one generi¢ name was a homonym of another which (through the codification of the decision given in Opinion 147) was now to be inserted in that Article was an exhaustive list. Thus, it followed automatically that generic names which differed from one another in spelling in any way not specified in that list were not to be treated as being homonyms of one another.

THE COMMISSION agreed :-—

(1) that, having regard to the fact that the list of differences in spelling in generic names which, at the meeting noted in the margin, it had been agreed should be inserted in Article 34 was to be treated as an exhaustive list, no advantage would be served by inserting in the Régles express pro- visions regarding differences in spelling which were not to be regarded as making one generic name a homonym of another ;

(2) that, in view of the decision on the question of principle involved recorded in (1) above, the interpretation of Article 34 given in Opinion 116 was now superfluous and therefore that the portion of that Opinion containing that interpre- tation should now be repealed for all except historical purposes.

350 International Commission on Zoological Nomenclature.

Article 25 35. THE COMMISSION had under consideration a

(status of aname _— proposal submitted by the Secretary (in Point (101) in

Bee eared fer * Commission Paper I.C.(48)18) that the decision taken by

nomenclatorial the Commission when incorporating in the Régles the ruling

purposes) : given by the Commission in Opinion 145 (on the status of amplification of : : Bi

previous decision generic names and specific trivial names when those

; names are first published in works rejected for nomen-

sienna ero! clatorial purposes) (a problem discussed in paragraph 45 of

Meeting, Conclusions the list contained in Commission Paper I.C.(48)11) should

47 and 18) be amplified to bring it completely into line with the

decision previously taken at the same meeting to incorporate

in the Regles the ruling given by the Commission in Opinion

4 (regarding the status of manuscript names) (a problem

i) ROLIAS SED discussed in paragraph 12 of the list contained in Com-

mission Paper I.C.(48)11) by making it clear that, until

such names are (i) validly published and (ii) so published

with an indication, their status is exactly the same as that

of a manuscript name.

THE COMMISSION agreed to recommend :—

that their recommendation for the incorporation in the Régles of the ruling given in Opinion 145 (Paris Session, 6th Meeting, Conclusion 47) should be ampli- fied to make it clear that, where a name is first published in a work rejected for nomenclatorial pur- poses, that name, until (i) validly published and (ii) so published with an indication, has a status identical with that of a manuscript name, that is to say the status specified in the ruling given in Opinion 4, which it had already been agreed should be incorpora- ted in the Reégles (Paris Session, 6th Meeting, Conclusion 18).

Article 25 36. THE COMMISSION had under consideration the ee e when “uestion of the status of a generic name first published as the first published in | generic component of a binominal combination constituting a a specific specific name cited in a specific synonymy, together with synengmmy) the proposals in regard thereto submitted in Point (102) in

Commission Paper I.C.(48)18.

It was pointed out that generic names originally pub- lished by pre-1758 authors and quoted as part of a specific name by post-1757 authors when giving specific synony-

(Brdeian aaa mies were already ruled out by the decision taken at the

Paris Session, 6th meeting noted in the margin to incorporate in the Regles Meeting, Conclusion the ruling given in Opinion 5, for a pre-1758 generic name 4) so published after 1757 was neither adopted nor accepted by

the author by whom it was so republished. There were two other classes of generic names which might appear in a specific synonymy, namely (1) a name published after 1757

THANKS TO U.N.E.S.C.O.

The International Trust for Zoological Nomenclature, on behalf of the International Commission on Zoological Nomenclature, have great pleasure in expressing their grateful thanks to the UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANISATION (U.N.E.S.C.O.) for the financial assistance afforded towards the cost of producing the present volume.

BULLETIN OF ZOOLOGICAL NOMENCLATURE ~

Notice to subscribers regarding the arrangements made for the completion of volume 1 and for the publication of volumes 2, 3, 4 and 5

The following arrangements have been made for completing volume 1 of the Bulletin of Zoological Nomenclature and for the publication of volumes 2, 3, 4and 5 :—

Volume 1: A concluding Part (Part 12), containing, inter alia, the Title Page, Table of Contents, and alphabetical subject index, will be published shortly.

Volume 2: This volume, like Volume 1, will be devoted to the publica- tion of applications in regard to nomenclatorial problems submitted by specialists to the International Commission on Zoological Nomen- clature for decision. Publication will commence at an early date.

Volume 3: This volume, which is now complete in 9 Parts, is devoted to the publication of the memoranda, reports and other docu- ments considered by the International Commission on Zoological Nomenclature and by the Section on Nomenclature of the Thirteenth International Congress of Zoology at their meetings held in Paris in July 1948.

Volume 4: This volume is devoted to the publication of the Official Record of Proceedings of the International Commission on Zoological Nomenclature at its Session held in Paris in fuly 1948. Twenty-one Parts have been published and this volume is now complete except for the index which will be published in a concluding Part.

Volume 5: At the request of the Bureau of the Thirteenth International Congress of Zoology, this volume will be devoted to the publication of the Official Record of Proceedings of the Section on Nomenclature cf the Thirteenth International Congress of Zoology, Paris, Fuly 1948, together with the Reports submitted to the Congress by the Inter- national Commission on Zoological Nomenclature and the Section on Nomenclature.

INQUIRIES All inquiries regarding publications should be addressed to the International Trust for Zoological Nomenclature, and all inquiries regarding the scientific work of the Commission to the Secretary to the Commission at the following addresses :—

International Trust for Zoological Nomenclature: 41, Queen’s Gate, London, S.W.7, England.

International Commission on Zoological Nomenclature: Secretariat of

the Commission, 28 Park Village East, Regent’s Park, London, N.W.1, ae Te x

NSS Ae ss) ia ee. ae Printed in Great Britain by Metcuim AND SON, L7p., Westminster London

Pure

VOLUME 4. Parts 13/15

Jui

Bass 4 9th Fune, 1950 pp. 351—4

THE BULLETIN OF ZOOLOGICAL ee ‘NOMENCLATURE,

The Official Organ of

_ THE INTERNATIONAL COMMISSION ON

ZOOLOGICAL NOMENCLATURE

Edited by FRANCIS HEMMING, C.M.G., C.B.E.

Secretary to the International Commission on Zoological Nomenclature.

CONTENTS :

The Official Record of Proceedings of the International Commission Page

on Zoological Nomenclature at its Session held in Paris in Fuly 1948 :

Conclusions of Twelfth Meeting (concluding instalment) 351—353

Conclusions of Thirteenth Meeting 354—424

Conclusions of Fourteenth Meeting (first instalment) 425—446 LONDON :

Printed by Order of the International Commission on Zoological Nomenclature on instructions received from the Thirteenth International Congress of Zoology, Paris, 1948, and

Sold on behalf of the International Commission by the International Trust for Zoological Nomenclature at the Publications Office of the Trust 41, Queen’s Gate, London, S.W.7. 1950

Price One pound, eight shillings, (All rights reserved)

Article 30

(question of the type species of a genus, the name of which was first published in a generic synonymy), Report by Secretary asked for

(Previous reference: Paris Session, 6th Meeting, Conclusion 24)

(Previous reference: Paris Session, 6th Meeting, Conclusion 18)

VOL. 4 z

12th Meeting, Paris, J uly, 1948, 351

by a non-binominal author and not validly republished by a binominal author prior to being cited in a specific synonymy and (2) a name which previously had existed only as a manuscript name or as a nomen nudum. Names of genera accidentally introduced into the literature in this way were usually ignored and it was desirable that official sanction should now be given to this practice,

THE COMMISSION agreed to recommend :—

that words should be inserted in Article 25 to make it clear that a generic name is not to be treated as having been published with an indication by virtue only of its having been published as the generic component of a specific name cited in a Synonymy given for a nominal Species, and accordingly that a generic name so published does not thereby acquire any status in zoological nomenclature.

37. THE COMMISSION had under consideration the question of the application to generic names published in generic synonymies of the provisions of Article 30, together with the proposals in regard thereto submitted in Point (103) in Commission Paper I.C.(48)18.

It was pointed out that, under the decision taken at the meeting noted in the margin (by which the ruling given in Opinion 5 was to be incorporated in the Regles) a generic name originally published before 1758 did not acquire any rights under the Law of Priority (Article 25) when after 17 58 it was republished in a generic synonymy, for publication in this manner did not constitute either adoption or acceptance by the author by whom the name was so published. There remained however the case of manuscript generic names which first appeared in print after 1758 in generic synony- mies. These names were in a position similar to that of manuscript trivial names, the position of which had been clarified by Opinion 4 (the ruling in which it had been agreed at the meeting noted in the margin should now be incorporated in the. Régles). There was however an essential difference in this matter between a manuscript trivial name first published in a specific Synonymy on the one hand and a manuscript generic name first published in a generic synonymy on the other. For the manuscript trivial name, on being so published, could apply only to the same species as the nominal species of which it was published as a syno- nym. On the other hand, a genus established without a designated type species is indeterminate until its type species has been selected under Rule (9) (or exceptionally under Rule (e)) in Article 30. What species should therefore be treated as the type species of a genus, when its name,

352 International Commission on Zoological Nomenclature.

Thirteenth’meeting of the Commission during its Paris Session :

time appointed

after having existed first as a manuscript name (or a nomen nudum) was published in a generic synonymy ? Was the type species of such a genus automatically the same species as the type species of the nominal genus, of which the generic name in question had been published as a synonym ? Or was it an independent generic unit, for which a later author was free to select as the type species any of the species included in the genus to which the generic name in question’ was sunk as a synonym at the time of its first publication ? The question was a difficult one, for it often happened that, where a manuscript generic name “A” was first published as a synonym of a previously published generic name B,” the species on that occasion referred to the genus having the name B” were different, in whole or in part, from those placed in that genus at the time when the generic name B” was itself first published. These and other complicated aspects of the problem needed to be carefully examined before a decision was reached. It was thought desirable therefore that no decision should be taken at the present Session, but that an inquiry should be put in hand at once, so that a final decision could be taken by the Commission at its meeting to be held at the next (XIVth) Congress.

THE COMMISSION agreed to recommend :—

that the Secretary to the Commission should be invited to make a thorough study, in conjunction with interested specialists, of the problems relating to the determination of the type species of a genus, the name of which was first published in the synonymy of some other genus, and to submit a comprehensive Report thereon, with recommendations, for considera- tion by the Commission at their meeting to be held during the next (XIVth) meeting of the Congress, with a view to the submission by the Commission to the Congress of recommendations for the insertion in the Reégles of appropriate provisions dealing with the above matter.

38. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) suggested that, as the Commission and the Section had completed their examination of the proposals in regard to the amendment and clarification of the Régles submitted in the series of Commission Papers ending with Commission Paper I.C.(48)18, they should adjourn for a short break. He suggested that the Commission and the Section should meet again for their next jomt meeting (which would be the Thirteenth Meeting of the Commission and the Fifth Meeting of the Section) at 1730 hours. The

VoL. 4 z 2

12th Meeting, Paris, July, 1948. 353

first matter to be considered when the Commission resumed would be the proposals in regard to eight individual nomen- elatorial problems submitted in Commission Paper I.C.(48) 19,

After general concurrence in the foregoing proposal had been expressed both by the members of the Commission and by the members of the Section, THE COMMISSION agreed to adjourn until 1730 hours the same afternoon.

(The Commission thereupon adjourned at 1635 hours.)

( 354 )

INTERNATIONAL COMMISSION on ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth International Congress of Zoology,

Paris, 21st-27th July, 1948.

CONCLUSIONS of the Thirteenth Meeting held at the Sorbonne in the Amphi- théatre Louis-Liard on Monday, 26th July, 1948 at 1730 hours.

(Meeting held concurrently with the Fifth Meeting of the Section on Nomenclature)

PRESENT:

Mr. Francis Hemming (United Kingdom) (Acting President) Professor H. Boschma (Netherlands)

Professor J. Chester Bradley (U.S.A.)

Professor L. di Caporiacco (Italy)

Dr. Henning Lemche (Denmark)

Professor K. Mansour (Egypt)

Mr. N. D. Riley (United Kingdom)

Professor Robert L. Usinger (U.S.A.)

The following were also present :

M. Belloc (France)

Dr. E. A. Chapin (U.S.A.)

Dr. Ellsworth C. Dougherty (U.S.A.)

Dr. Isabel Gordon (United Kingdom) Professor E. R. Hall (U.S.A.)

Mr. T. C. 8. Morrison-Scott (United Kingdom) Dr. H. H. J. Nesbitt (Canada)

Miss Louise Russell (U.S.A.)

Dr. Ethelwynn Trewavas (United Kingdom)

Mrs. M. F. W. Hemming, Personal Assistant to the Secretary

Eight individual 1. THE COMMISSION had before them Commission pobre Paper I.C.(48)19, containing proposals in regard to eight raised in individual nomenclatorial problems.

Commission Paper 1.C.(48)19 :

procedure in

regard to

THE COMMISSION agreed :— to examine in turn each of the eight proposals relating to individual problems of zoological nomenclature submitted in Commission Paper I.C.(48)19, for the purpose of reaching conclusions in regard thereto.

Opinions rendered without including an answer to all the points raised : arrangements for completion of

Calliphora Robineau-Desvoidy, 1830 (Class Insecta, Order Diptera)

to be added

to the Official

List of Generic Names in Zoology” : decision completing Opinion 82

13th Meeting, Paris, July, 1948 355.

2. THE COMMISSION had under consideration the problem created by the fact that in the past Opinions had sometimes been rendered dealing with part only of the application submitted to the Commission in the’ case concerned, and the proposals in regard thereto submitted in Point (1) in Commission Paper I.C.(48) 19. In the case of Opinion 82, to which attention had been drawn by Com- missioner Boschma (file Z.N (S.)201) the issue of the Opinion in an incomplete form appeared to have been due solely to inadvertence, for no issue of principle of any kind was raised by the question which had been omitted. In the case of Opinion 95, to which attention had been drawn by Pro- fessor Harold Kirby (file Z.N.(S.)245), the omission had been deliberate and had been stated to be due to a desire to provide further opportunity for consideration of the issues involved. In this case, the issue of an Opinion dealing with part only of an application was not open to objection; what was a matter for criticism was that no action of any kind was ever taken subsequently to deal with ~ the portion of the application on which a decision had been postponed.

THE COMMISSION :—

(1) took note, with disapproval, of the practice by which in the past an Opinion had sometimes been rendered which dealt with part only of the appli- cation submitted, no decision having been taken either then or at a later date on the remainder of the application in question ;

(2) agreed to invite the Secretary to the Commission to examine all the Opinions so far rendered by the Commission, with a view to ascertaining every instance where part only of an application had been dealt with, and to submit proposals as soon as possible forthe rendering, as a matter of urgency,

_ of supplementary Opinions dealing with the ques- tions left unanswered in the earlier Opinions concerned.

3. THE COMMISSION had before them the proposal submitted by Commissioner Boschma (file Z.N (S.)201) and supported in Point (2) in Commission Paper I.C.(48)19 that an Opinion supplementary to Opinion 82 should now be rendered dealing with the application for the addition of the generic name Calliphora ‘Robineau-Desvoidy, 1830 (Class Insecta, Order Diptera) to the Official List of Generic Names in Zoology which had been left undecided when Opinion 82 was rendered. The application was entirely non-controversial, once a decision had been taken (as it was in Opinion 82) on the type species of the genus Musca

356 International Commission on Zoological Nomenclature.

Mabuya Fitzinger, 1826 (Class Reptilia) : correction in the

Official List of Generic Names

in Zoology of entry relating to: © correction of error in Opinion” 92

Porina” Walker, 1856 (Class Insecta, Order Lepidoptera) (proposed validation of, under the ommission’s plenary powers): rejection of proposal

Linnaeus, 1758, for the omission from that Opinion of a decision on the generic name Calliphora Robineau-Desvoidy could only be due to inadvertence. THE COMMISSION agreed :— (1) to place the generic name Calliphora Robineau- Desvoidy, 1830 (Class Insecta, Order Diptera) (type species by original designation: Musca vomitoria Linnaeus, 1758) on the Official List of Generic Names in Zoology and the trivial name vomitoria Linnaeus, 1758 (as published in the binominal combination Musca vomitoria) on the Official List of Specific Trivial Names in Zoology ; (2) to render an Opinion setting out the decision recorded in (1) above.

4. THE COMMISSION had under consideration a proposal submitted in Point (3) in Commission Paper 1.C.(48)19 that an Opinion should at once be rendered correcting the erroneous entry on the Official List of Generic Names in Zoology in regard to the generic name Mabuya Fitzinger, 1826 (Class Reptilia), which had occurred as the result of a mistake in Opinion 92. In that Opinion the type species of this genus had been stated to be Scineus sloani Daudin, 1803, a species which had not been referred to the genus Mabuya by Fitzinger when he founded that genus. The type species of this genus was Lacertus mabouya Lacépéde, 1788, by absolute tautonymy.

THE COMMISSION agreed :—

(1) that the statement that Scincus sloani Daudin, 1803 was the type species of Mabuya Fitzinger, 1826 (Class Reptilia) inserted in the Official List of Generic Names in Zoology as the result of a mistake in Opinion 92 should be deleted and that in its place there should be inserted a statement that the type species was .Lacertus mabouya Lacépéde, 1788, by absolute tautonymy.

(2) to place the trivial name mabouya Lacépéde, 1788 (as published in the bimominal combination Lacertus mabouya on the Official List of Specific Trivial Names in Zoology ;

(3) to render an Opinion setting out the decision recorded in (1) above.

5. THE COMMISSION had under consideration :—

(a) a proposal submitted by Dr. J. T. Salmon (New Zealand) that the generic name Porina Walker, 1856 (Class Insecta, Order Lepidoptera), the name widely used for an important pasture pest in New

Zealand, should be validated by the use by the

(Previous reference: Paris Session, 12th Meeting, Conclusion 18)

(Previous reference: Paris Session, 12th

Meeting, Conclusion 20)

13th Meeting, Paris, July, 1948. 357

(b

~~

Commission of their plenary powers for the sup- pression of the older name Porina d’Orbigny, 1852 (Class Bryozoa) (file Z.N.(S.)194) ;

a note on the foregoing proposal submitted by the Secretary to the Commission in Point (4) in Commission Paper I.C.(48)19,(i) drawing atten- tion to the fact that Porina d’Orbigny, 1852, was the name of a leading genus in the Class Bryozoa (Cretaceous Section), (ii) expressing the opinion that it would be wrong for the Commission to use their plenary powers to give relief to workers in one group of the Animal Kingdom if the adoption of that course were to cause confusion among, or inconvenience to, workers in another group, and (iii) recommending that for this reason the application specified in (a) above should be rejected.

THE COMMISSION agreed :— (1) to reject, for the reasons set out in Point (4)

(3

)

~~

in Commission Paper I.C.(48)19, the application referred to in (a) above that they should use their plenary powers to validate the generic name Porina Walker, 1856 (Class Insecta, Order Lepidoptera) by suppressing the generic name Porina d’Orbigny, 1852 (Class Bryozoa) ;

in conformity with the decision in regard to the procedure in cases where an application for the use of the plenary powers is rejected taken at the meeting noted in the margin, to place on the Official List of Generic Names in Zoology the oldest available name for the genus for which the invalid name Porina Walker, 1856, had been published, namely the generic name Oxycanus Walker, 1856 (type species, by selection by Kirby (1892, Syn. Cat. Lep. Het. : 892): Oxycanus australis Walker, 1856) ;

in conformity with the decision in regard to the procedure to be adopted where the Commission either suppresses a generic name or rules that is invalid under the Régles taken at the meeting noted in the margin, to add the name Porina Walker, 1856 (type species, by monotypy: Porina novaezealandiae Walker, 1856), to the Official Index of Rejected and Invalid Generic Names in Zoology ;

to place the specific trivial name australis Walker, 1856 (as published in the binominal combination Oxycanus australis) on the Official List of Specific Trivial Names in Zoology ;

358 International Commission on Zoological Nomenclature.

Flebotomus Rondani, 1840 : (Class Insecta, Order Diptera) Emendation of name to

Phlebotomus

(5) to render an Opinion setting out the decisions specified in (1) to (4) above.

6. THE COMMISSION had under consideration appli- cations in favour of the emendation of the generic name Flebotomus Rondani, 1840 (Class Insecta, Order Diptera) to “‘ Phlebotomus”’ submitted independently by Professor C. T. Brues (U.S.A.) and by Dr. G. B. Fairchild and Dr. Marshall Hertig (Mexico) (file Z.N.(8.)169), together with a summary of the issues involved submitted by the Secretary in Point (5) in Commission Paper I.C.(48)19. In addition, Dr. Fairchild had furnished also letters of support for the emendation of this name which he had received from Dr. A. da Costa Lima (Brazil) and from Dr. Alan Stone (U.S.A.). As is well known, this name is of great importance in medical literature, where it is almost invariably spelt with an initial Ph-” and not F-”, the former spelling bemg also in general, though not in universal, use in systematic literature. As had been pointed out by Mr. William F. Rapp, Jr. (U.S.A.), this generic name had been originally published by Rondani (in 1840) with an initial letter F-”’, it not having been until 1846 that this spelling had been emended to the Ph-” spelling by Agassiz. Two questions were involved: (1) whether the original F-” spelling was due to an error, in which case it should be emended to the Ph-” spelling under Article 19 of the Regles ; (2) if the original spelling was intentional, was this a case where, in order to prevent confusion, the Commission should use its plenary powers to validate the commonly accepted ‘‘ Ph-” spelling 2

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that, when in 1944 Mr. Rapp had first suggested in the journal Science that the original spelling of Flebotomus should be restored, it had appeared to him, as Secretary to the Commission, that this was exactly the type of change in a name of importance in applied biology which ought not to be made on technical nomenclatorial grounds until the issues involved had been submitted to, and considered by, the Commission, for such changes were incomprehensible to, and were resented by, workers in those fields and should certainly be avoided, if at all possible. He had accordingly published a note inviting specialists to respect the ‘‘ Ph-” spelling until the Commission had been able to consider the whole matter. When later he had himself looked into the origin of the word on which this generic name was based, he had found that no proper examination of this matter had ever been made. The technical problems involved were complex and he had had to appeal to expert linguists and lexicographers for advice,

Papilio plexippus Linnaeus, 1758 (Class Insecta, Order Lepidoptera) : etermination of identity of, under the plenary powers

13th Meeting, Paris, July, 1948. 359

As the result of these studies he had reached the conclusion that, from the standpoint of an educated Italian of the mid-XIXth century, such as Rondani, the F-” spelling was correct and consequently that this was not a case which could properly be dealt with under Article 19 of the Réegles. Jn view however of the importance of this name in medical literature, it seemed to him that a reversion to the spelling originally used by Rondani would lead to confusion outside systematic circles and was the type of name change which brought discredit on zoological nomenclature among workers who were not concerned with, or interested in, the minutiae of the rules adopted by zoologists for their own work. He accordingly commended to the favourable consideration of the Commission the request that the Ph-” spelling of this name should be preserved by the Commission by the use of the plenary powers.

PROFESSOR L. DI CAPORIACCO (ITALY) said that, speaking both as a zoologist and as an Italian, he was strongly in favour of the maintenance of the Ph-” spelling of this well-known name. He was surprised that any other course should have been suggested.

THE COMMISSION agreed :—

(1) to use their plenary powers to emend to Phle- botomus the generic name originally published by Rondani in 1840 as Flebotomus (Class Insecta, Order Diptera) ; to place the generic name Phlebotomus Rondani, 1840 (type species: Bibio papatasi Scopoli, 1786, by monotypy) on the Official List of Generic Names in Zoology and the trivial name papatast Scopoli, 1786 (as originally published in the binominal combination Bibio papatast), on the Official List of Specific Trivial Names in Zoology ; (3) to render an Opinion setting out the decisions

recorded in (1) and (2) above.

7. THE COMMISSION had under consideration a proposal submitted by the late Dr. A. Steven Corbet (United Kingdom) that they should use their plenary powers to determine the identity of the species to which the name Papilio plexippus Linnaeus, 1758 (Class Insecta, Order Lepidoptera), should be applied. Without such a ruling, there was no possibility of putting an end to the present state of confusion arising from the fact that this name was applied by all American and by many other lepidopterists to the common American Danaid species known in the United States as the “Monarch” but was used also by other lepidopterists for the common Indo-Oriental species of the same genus, to which the name Papilio genutia had

(2

~~

360 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session, 12th

Meeting, Conclusion 14)

been given by Cramer in 1779 and which was universally known as Danaus genutia (Cramer) by all those workers who applied the trivial name pleaippus Linnaeus to the “Monarch ”’ butterfly. This case was dealt with in the Commission’s file Z.N.(S.)323, and a summary of the issues involved was given in Point (6) in Commission Paper I.C.(48)19 now before the Commission.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that, speaking as a lepidopterist, he con- sidered it essential that a decision should be taken by the Commission in this matter, for the species Papilio plexippus Linnaeus was the type species of the well-known family DANAIDAE and the fact that that species was at present indeterminate was a cause of great confusion. There was no doubt that Linnaeus had included both the species concerned under the name Papilio plexippus in 1758; the short main description might refer to either species but the longer diagnosis could not apply to the North American *“Monarch’’. On the other hand, Linnaeus had stated that this species occurred in North America and, in doing so, could only have been referring to the ‘“ Monarch”’. Later, moreover, he had elaborated this statement (in the Mus. Lud. Ulr.) by adding that he had received speci- mens from Peter Kalm, the Swedish naturalist who had collected for him in North America. On merits, therefore, it seemed to him (Commissioner Hemming) that the balance of the argument lay in favour of a decision that this name should apply to the American and not to the Indo-Oriental species. Looking at the question more generally, there were two reasons why he favoured a decision in this sense: (1) owing to its migratory habits a large non-systematic literature had accumulated in regard to this species. (2) it would be most confusing if the trivial name (plexippus) commonly applied to it were to be transferred to a closely allied species in the same genus, involving, as it would, exactly the type of name transfer which the Congress, when granting plenary powers to the Commission, had directed the Commission to prevent. It was to enable the Commis- sion to deal adequately with cases of this type that the proposals set out in Point (82) in Commission Paper I.0.(48)17 had been submitted by the Commission to, and had been approved by, the Section on Nomenclature at the

_ present Congress. The use of those powers would involve

the selection of a well-known and unmistakable figure of whatever species the Commission might direct to be the species to which the name Papilio plexippus Linnaeus, 1758, should apply. Ifthe Commission were to decide in favour of the North American “Monarch”’, a suitable figure would be that which appeared as fig. 1 on plate 7 of Holland’s

* Colymbus Linnaeus, 1758 Class Aves)

(type species of):

determination of,

with the minimum of further delay

13th Meeting, Paris, July, 1948, 361

Butterfly Book’? (revised edition issued in 1931), a work which was known to, and readily accessible to, every worker in this group. ;

MR. N. D. RILEY (UNITED KINGDOM) supported the proposal that the Commission should use its powers to stabilise the manner in which this name should be used. The solution Suggested would, he believed, be generally welcomed.

THE COMMISSION agreed :—

(1) to use their plenary powers to direct that the trivial name plexippus Linnaeus, 1758 (as published in the binominal combination Papilio plexippus) should be applied to the American species figured as Danais plexippus by Holland (W. J.), 1931, Butterfly Book as figure 1 on plate 7:

(2) to place the trivial name plecippus Linnaeus, 1758 (as originally published in the binominal combination Papilio plexippus), as determined in (1) above on the Official List of Specific Trivial Names in Zoology ;

(3) to render an Opinion setting out the decisions recorded in (1) and (2) above.

Paper I.C.(48)19) summarising the history of the application for the determination of the type species of the genus Colymbus Linnaeus, 1758 (Class Aves), which had been before the Commission for over twenty years (file Z.N.(8.)78).

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that, as the records of the Commission showed, the Commission had in the past deliberately adopted a dilatory policy in dealing with this matter for fear that, whatever decision might be given, an important group of ornithologists would be offended through being required to change their established practice. No more

birds but also the name of a Family and Order based upon that genus. These names could not properly be used both for the grebes and for the divers, and the longer that they were used indiscriminately for both these groups the greater would become both the confusion in ornitho- logical literature and the difficulty of securing a return to

362

International Commission on Zoological Nomenclature. .

uniformity. Serious-minded ornithologists, including Dr. Alexander Wetmore, the Secretary of the Smithsonian Institution, Washington, were anxious to see the Commis- sion face its responsibilities in this matter by rendering an Opinion stating what was the type species of this genus under the Régles. The Commission could not deal with this question during their present Session, for they would need first to be furnished with, and to study carefully, a comprehensive and objective examination of the nomen- clatorial issues involved and of the arguments which had been adduced in favour of each of the two possible solutions. He hoped, however, that the Commission would place on record their determination to reach a decision on this case - with the least further delay possible and should initiate such action as they might consider calculated to promote this end.

THE COMMISSION :— (1) agreed :—

(a) that it was important that a decision on the question of the type species of the genus Colymbus Linnaeus, 1758 (Class Aves), should be taken with the least possible further delay ;

(b) that, in order to assist the Commission in taking a decision on the foregoing question, the delay in the consideration of which had been due less to its intrinsic difficulty than to its controversial character, it was desirable that the Commission should be furnished with a report on the issues involved prepared by a zoologist who was an authority on nomenclature but was not himself an ornithologist and who therefore had not had to prejudge this question in the course of his own work ;

(2) in view of (1)(b) above, invited Commissioner Francis Hemming to examine the question of what species was under the Reégles the type species of the genus Colymbus Linnaeus, 1758 (Class Aves), and to furnish a Report thereon at the earliest possible moment ;

(3) agreed to examine the issues involved and to reach a decision thereon immediately upon receipt of the Report referred to in (2) above,

13th Meeting, Paris, J uly, 1948, 363

Unnecessary delays 9. Arising out of the discussion on the question of aed principle raised at the end of Point (7) im Commission individual Paper I.C.(48)19, recorded in Conclusion 8 above, THE

nomenclatorial COMMISSION :-—

problems involving

i ahaa: (1) took note of, and disapproved, the unnecessary Seeecis difficult, delays which had been allowed to occur in reaching issues: need for the a decision on the question of the type species of the avoidance of genus Colymbus Linnaeus, 1758 (Class Aves) ;

(2) placed on record their conviction that, where an application relating to an individual nomenclatorial problem raised controversial, though not necessarily difficult, issues the deliberate adoption of procedures leading to unnecessary delays in reaching a decision was calculated both to prejudice the attainment of stability in the nomenclature of the group concerned and also to impair the authority and prestige of the Commission as an effective, impartial inter- national tribunal ;

(3) affirmed their intention in future to avoid all unnecessary delays in reaching decisions on appli- cations of the kind specified in (2) above and to give an answer to such questions promptly and without

= fear or favour.

~—

Linnean system of 10. THE COMMISSION had under consideration :—

binominal

“ae (a) a communication received from Professor R. T. a gga Leiper (United Kingdom) (file Z.N.(S.)285) nomenclature of drawing attention to the misuse of the Linnean "Salle d trivial system of nomenclature to denominate certain ip published types of monster (1) by Gurlt (1832, Lehrbuch der for such purposes pathologischen Anatomie), who had erected for to have no status various monsters a number of so-called genera in zoological , 2 : : :

nomenclature (each given a Latin generic name), including one

named “Schistosomus”’, to which various so- called species (each given a Latin trivial name) were referred, (2) by Hisenbarth (1908, Wschr. Tierheilk. Viehz.) in publishing a description of a monster under the so-called specific name Schistosoma reflecum, and (3) by Notter (1927, in Virchow’s Arch. f. path. Anat.) who had followed the same practice in a paper entitled “Schistoso- men beim Schwein” :

(b) a note on the above case submitted by the Secretary in Point (8) in Commission Paper I.C.(48)19.

364 International Commission on Zoological Nomenclature.

Applications relating to individual problems of nomenclature : cases published in the Bulletin of Zoological Nomenclature

to have priority

of consideration

Part 5 of Volume I of the Bulletin of Zoological Nomenclature ”: consideration of applications published in

It was generally agreed that it was a misuse of the Linnean system of binominal nomenclature to apply it for the nomenclature of monsters. Such a use of the binominal system was particularly objectionable, when (as in the present case) one of the so-called generic names (Schistosoma) was identical with the name of a genus of the Animal Kingdom of great importance in an applied field of science (e.g. medicine). In this particular case, confusion had already arisen, the papers by Hisenbarth (1908) and Notter (1927) having appeared in a bibliography of Schistosomiasis.

THE COMMISSION agreed :—

(1) to recommend that words should be inserted in the Regles to make it clear that Latin names given to monsters possess no status in zoological nomenclature under the Régles and therefore that no name so given preoccupies a generic name under Article 34 or a trivial name under Article one

(2) to invite the attention of teratologists to the grave inconvenience and risk of confusion likely to arise through the use of the Linnean system of binominal nomenclature for the naming of mon- sters, with a view to securing their concurrence in the abandonment of this practice.

11. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) -suggested that the Commission should now direct their attention to the applications relating to indivi- dual problems of nomenclature, the texts of which had already been published in the Bulletin of Zoological Nomen- clature. The Parts of the Bulletin containing such applica- tions were Parts 5, 8, 9, 10, and 11. Some considerable time had elapsed since the earlier of these applications had been published and members of the Commission had there-

- fore had ample time to consider the issues involved.

THE COMMISSION approved the proposal submitted by the Acting President, as specified above.

12. THE COMMISSION had before them Part 5 of Volume 1 of the Bulletin of Zoological Nomenclature containing five applications relating to individual problems of nomenclature, in addition to fourteen applications relating to the amendment or. clarification of the Régles, which had already been considered by the Commission at earlier meetings during their present Session.

ee

(Previous reference: Paris Session, 12th Meeting, Conclusions 2, 8 and 9)

Oken, 1815-1816,

Lehrbuch der Naturgeschichte : status of new names published in

(Previous reference: Paris Session, 12th Meeting, Conclusion 9)

13th Meeting, Paris, July, 1948. 365

THE COMMISSION :—

took note that three of the applications relating to individual problems of nomenclature included in Part 5 of Volume 1 of the Bulletin of Zoological Nomen- clature had been considered at the meeting noted in the margin, in order to suit the convenience of certain specialists attending the Section on Nomenclature, and agreed to consider forthwith the cases included in the foregoing Part of the Bulletin on which decisions had not yet been taken.

13. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that at the meeting noted in the margin the Commission had agreed that the consideration of a proposal submitted by the late Dr. C. W. Stiles (U.8.A.) for the addition to the Official List of Generic Names in Zoology of the names of three genera of the Order Carnivora (Class Mammalia) published by Brisson in 1762 in the Regnum animale should be postponed until after a decision had been taken by the Commission on the status of generic names published in that work. As explained in the note (file Z.N.(S8.)177) which he (Commissioner Hemming) had published in regard to Dr. Stiles’s proposal (Hemming, 1945, Bull. zool. Nomencl. 1: 112-113), Dr. Stiles had at the same time submitted a similar proposal in regard to the names of three genera belonging to the same Order which had first been published by Oken in 1815-1816 in his Lehrbuch der Naturgeschichte. The names were of importance in human medicine, for parasites common to Man had been reported from species of each of the genera concerned. It was not possible however for the Commission to reach a decision on Dr. Stiles’s proposals until they had first decided whether Oken’s Lehrbuch was a work which complied with the

_ Tequirements of proviso (b) to Article 25 (requirement that

an author must in any given work have applied the prin- ciples of binominal (formerly ‘‘ binary ”’) nomenclature). An application for a ruling on the question of the availability of names first published in Oken’s Lehrbuch had been submitted to the Commission (file Z.N.(8.)153) by the late Dr. Wilfred H. Osgood, of Chicago, but had not yet been published in the Bulletin. This work contained new names in a wide range of groups in the Animal Kingdom and the new names in it had been accepted by workers in some groups and rejected by others. Doubt as to the status of names published in such a work was most undesirable and should be brought to an end as quickly as possible by an authoritative decision by the Commission. Dr. Osgood, who had been one of the foremost of American ZOO0-

366 International Commission on Zoological Nomenclature.

Geoffroy (E.L.),

1762, Hist. Ins. |

Env.” Paris :

logists in his forthright criticism of the slowness of the work of the Commission and, as it seemed to him, of the lack of vision and courage displayed by the Commission in the past, had expressed the view that the manner and spirit in which the Commission tackled the difficult problem pre- sented by Oken’s Lehrbuch would be looked upon by many zoologists as the touchstone of the capacity of the Com- mission to deal with difficult problems. From the point of view of reassuring progressive American zoologists regarding the capacity of the Commission to discharge impartially and effectively the duties entrusted to it, it was thus of importance, quite apart from other considerations, that an early decision should be taken by the Commission in this matter. The issues involved were however complicated and the consideration of this subject was rendered difficult by the fact that few zoological libraries contained a copy of Oken’s Lehrbuch.

THE COMMISSION agreed :—

(1) to take into consideration as soon as possible after the close of the present Session the application submitted by the late Dr. Wilfred H. Osgood (U.S.A.) for a ruling on the availability under Proviso (6) to Article 25 of names first published by Oken, 1816, Lehrbuch der Naturgeschichte (file Z.N.(8.)153) ;

(2) to the Secretary to confer with specialists in the -

groups concerned on the question of the practice (whether acceptance or rejection) adopted in their respective groups in regard to the Lehrbuch names and to submit a Report thereon ;

(3) pending a decision on the question in (1) above, to defer a decision on the application submitted by the late Dr. C. W. Stiles for the addition to the Official List of Generic Names in Zoology of the names of three genera of the Order Carnivora (Class Mammalia) first published by Oken in the work referred to in (1) above (file Z.N.(S.)177).

14. THE COMMISSION had under consideration a note (file Z.N.(S.)168) on the question of the availability under

status of new names the Régles of generic names as first published by Geoffroy

published in

(E. L.) in 1762 in the work entitled Histoire abrégée des Insectes qui se trowvent aux Environs de Paris submitted by the Secretary to the Commission (Hemming, 1945, Bull. zool. Nomencl. 1:117).

ee

(Previous reference: Paris Session, 13th Meeting, Conclusions 8 and 9)

( Previous reference: Paris Session, 4th Meeting, Conclusion 3)

VOL. 4 AA

13th Meeting, Paris, J uly, 1948, 367

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) explained that the present belonged to the class of case, to which reference had been made in the discussion of the question of the type species of the genus Colymbus Linnaeus, 1758 (Class Aves), where, owing to the difficulty of the problem raised, a decision by the Commission had been inordinately delayed, for it was as far back as 1915 that this issue had been raised by Dr. J. M. Swaine (Department of Agriculture, Forest Investigations Branch, Ottawa, Canada) in connection with the name Scolytus. In addition, the Same question had a year later (1916) been raised by Dr. A. D. Hopkins (Bureau of Entomology, Department of Agriculture, Washington, D.C.). No action was taken on

submitted by Professor H. B. Hungerford (U.S.A.) for a ruling in regard to the name Corixa Geoffroy, 1762 (file Z.N, (S.)147), which would be laid before the Commission as the next following item. Continuing, the Acting President said that the recommendation in regard to the interpretation of the expression nomenclature binaire and the substitu- tion therefor of the expression “nomenclature binominale

present case a considerable step further forward. No one disputed that in the work in question Geoffroy had been a

A CONSIDERABLE DISCUSSION took place on the question whether availability should be given to all the generic names published in the Histoire abérgée or only to some of them. Some of these names should, it was agreed, certainly be preserved, but the position was not so clear as

368

International Commission on Zoological Nomenclature.

regards others. It was felt that this was a subject which it would be better to deal with piecemeal, Order by Order, in the light of recommendations submitted by entomologists who were specialists in the Orders concerned.

THE COMMISSION agreed :—

(1) that, having regard to the recommendation

~—

adopted at their Fourth Meeting (as noted in the margin) that the expression nomenclature binominale should be substituted for the expres- sion “nomenclature binaire”’ in Proviso (b) to Article 25 of the Regles and to the subsequent approval of that recommendation by the Section on Nomenclature (at its First Meeting), names as published by Geoffroy (EK. L.) in 1762 in the work entitled Histoire abrégée des Insectes qui se trouvent aux Environs de Paris were not available under the Regles, as Geoffroy had not applied the principles of binominal nomenclature in that work, as required by Proviso (b) to Article 25, as amended in the manner specified above ;

that certain of the generic names published in the foregoing work, being in wide use, should certainly be validated in the interest of stability in nomenclature, but that, having regard to the. large number of Orders of insects dealt with by Geoffroy in the foregoing work, it would be better to consider separately for each Order, in the light of advice from specialists in the Order concerned, the question whether some or all of the generic names published in the foregoing work should be rendered available rather than to render available en bloc all the generic names so published.

to invite the Secretary to the Commission as soon as possible after the close of the present Session to arrange with specialists in the several Orders of insects concerned -for the submission to the Commission of statements examining each of the generic names published for that Order by Geoffroy in the Hist. abrég. and containing pro- posals for the validation, under the plenary powers, of such of the names concerned, the rejection of which would lead to instability or confusion in the nomenclature of the group concerned, so that, in the light of the statements so received, the Commission may validate such of the names concerned as may appear to it to be appropriate and place the remainder on the

Corixa Geoffroy,

1762 (Class Insecta, Order Hemiptera) : validation of,

and type species under the plenary powers

VOL. 4 AA?

13th Meeting, Paris, July, 1948. 369

“Official Index of Rejected and Invalid Generic Names in Zoology ;

(4) to render an Opinion recording the decision specified in (1) above, reference being made at the same time to the decisions specified in (2) and (3) above.

15. Arising out of the foregoing discussion, THE COM- MISSION considered the problems relating to the generic name Corira Geoffroy, 1762 (Class Inseeta, Order Hemiptera) which had been specifically raised by Professor H. B. Hungerford (file Z.N.(8.)137), the application regarding which had been published in Part 11 of Volume I of the Bulletin of Zoological Nomenclature (Hungerford, 1947, Bull. zool. Nomencl.A : 258-259). At the same time the Commission had under consideration a note on this applica- tion submitted by the Secretary to the Commissién (Hemming, 1947, Bull. zool. NomenclA : 259).

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the only letters which, as Secretary to the Commission, he had received in regard to this case, apart from that from Professor Hungerford, were from Dr. W. E. China (British Museum (Natural History) ), who supported the validation of the name Corizra Geoffroy, and from Dr. G. A. Walton (London School of Hygiene and Tropical Medicine), who regarded that name as invalid, but had expressed himself as beg anxious to see a final decision given in this matter. The question of the type species of this genus would not be of practical importance unless the Commission were to decide to use their plenary powers to validate the generic name Coriza as published by Geoffroy in 1762. It appeared to him (Commissioner Hemming) that, ifthe Commission were to take that line, their best course would be to use the same powers to desig- nate Corixa geoffroyi Leach, 1817, as the type species of this genus, as recommended by Professor Hungerford and Dr. China. This name was commonly treated as having been published in 1818, but, as shown by Sherborn (1926), it was in fact published in 1817.

THE COMMISSION agreed :— (1) to use their plenary powers :—

.(a) to validate the generic name Corizxa Geoffroy, 1762, Hist. Ins. Env. Paris 1: 478 (Class Insecta, Order Hemiptera) ;

(b) to designate, as the type of the foregoing genus, the species Corizxa geoffroyi Leach, 1817, Trans. linn. Soc. Lond. 12¢1):: 1?-

370 International Commission on Zoological Nomenclature.

*’Naucoris Geoffroy, 1762 (Class Insecta,

Order Hemiptera) :

question of validation of, under plenary powers to be considered

(2) to place the generic name Corixa Geoffroy, 1762 (with the above species as its type species), on the Official List of Generic Names in Zoology ;

(3) to defer taking a decision on the question whether the trivial name of the type species of the genus Corixa Geoffroy should be placed on the Officral Tast of Specific Trivial Names in Zoology until after further consideration had been given to the question whether that name (geoffroyi Leach, 1817) was the oldest available trivial name for the species in question and to invite the Secretary to submit a Report on this subject as soon as possible after the close of the present Session ;

(4) to render an Opinion recording the decisions specified in (1) to (3) above.

16. Arising out of the discussion on the question of the validation of generic names published by Geoffroy in his Histoire abrégée of 1762, recorded in Conclusion 14 above, ALTERNATE COMMISSIONER ROBERT L. USINGER (U.S.A.) brought before the Commission the question of the name Nawucoris Geoffroy, 1762. Professor Usinger first pro- posed that this well-known name should be validated forthwith in the same way as the name Corixa Geoffroy had just been validated, but after further discussion he with- drew this proposal, being of the opinion that it would be better for this matter to be further considered by specialists before a decision was taken.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that he felt also that this question should be deferred. He had had some correspondence with Dr. W. E. China in regard to this name, and he would prefer to have an opportunity of considering this case again before expressing an opinion on the action to be taken. He agreed however that it would be desirable to take a decision on this name as soon as was practicable.

THE COMMISSION agreed :—

(1) that consideration should be given, as soon as practicable after the close of the present Session, to the question whether the generic name Naucoris should be validated as from Geoffroy, 1762, in the Order Hemiptera (Class Insecta) by the use of the Commission’s plenary powers and, if so, what species should be selected as the type species of the genus so named ; to invite the Secretary to the Commission to submit a Report on the above matter as soon as possible after the close of the present Session.

(2

~—

13th Meeting, Paris, July, 1948. 371

Buprestidae ”, a 17. THE COMMISSION had under consideration :— pamphlet believed

to have ites (a) an application submitted by the late Mr. H. J. FW. Hove par Carter (file Z.N.(8.)57) that the Commission distributed in should give a ruling that the names which appeared poe, ferred not in the pamphlet entitled ‘‘ Buprestidae” pri- hes vuearine of vately and anonymously issued by Hope (F.W.) Article 25 were not available under the Régles, those names

not having been published (‘‘ divulgués dans une publication”) within the meaning of Article 25 (Carter, 1945, Bull. zool. Nomencl. 1: 117-118) ;

(b) a note supporting the foregoing application submitted by President Karl Jordan (1945, Bull. zool. Nomencl. 1: 118).

THE ACTING PRESIDENT (MR. FRANCIS

HEMMING) said that, since the foregoing papers had been

published, Mr. F. J. Griffin, the British bibliographer, had

furnished additional material showing that this pamphlet

had never been published, including a photograph of the

first page of Hope’s own copy, now preserved in the Hope

‘i Department of Entomology at the Oxford University

Museum, on which Westwood (the first Hope Professor

of Zoology) had himself written the word unpublished ”’.

From these indications there could be no doubt that this

pamphlet had never been published within the meaning

of Article 25. The evidence that publication’ had never

taken place was so strong that it appeared to him (Com-

missioner Hemming) there was no need for the Commission

(For the definition of | to use their plenary powers in this case, it being sufficient

the expression to render an Opinion stating that this pamphlet had never

“three tia been published within the meaning of the Régles. No

Paris Session, 7th objection had been lodged by any author against the

Sees Conclusion course proposed, specialists concerned having, with the

) exception of Dr. J. Oldenberger of Prague, all rejected the new names in this pamphlet.

THE COMMISSION agreed :—

(1) that the names contained in the anonymous pamphlet entitled Buprestidae ’’ believed (a) to have been written by F.W. Hope and (b) to have been distributed by that author in 1836 were not published (“* divulgués dans une publication ’’) as prescribed by Article 25 and that they therefore had no standing under the Régles as from the date of distribution of that pamphlet ;

(2) to render an Opinion recording the decision specified in (1) above,

372

Part 8 of Volume I of the Bulletin of Zoological Nomenclature ”’: consideration of application published in

Koch (C.L.), 1835-1842,

Deutschlands Crustacéen, Myriapeden und Arachniden :

definition of species eligible for selection

as type species of genera first named in

International Commission on Zoological Nomenclature.

18. THE COMMISSION had before them Part 8 of Volume 1 of the Bulletin of Zoological Nomenclature containing 21 papers relating to 18 individual problems, of nomenclature.

THE COMMISSION agreed :—

to examine, in turn, each of the applications, the texts relating to which had been published in Part 8 of Volume 1 of the Bulletin of Zoological Nomen- clature.

19. THE COMMISSION had under consideration an application submitted by the late Dr. Arthur P. Jacot (file Z.N.(S.)90) for a ruling in regard to the species to be

~ accepted as the type species of certain genera in the Class

Arachnida, for which diagnoses had first been published and type species designated (or selected) by Koch (C. L.) in 1842 in his Ubersicht des Arachnidensystems but the names of which had previously been published by that author as components of the names of new species described by that author in his work Deutschlands Crustaceen, Myriapoden und Arachniden (Jacot, 1946, Bull. zool. Nomencl. 1: 161). Dr. Jacot explained that between 1835 and 1842 Koch had described in the last-mentioned work a number of new species to which he had applied new generic names. In 1842 in the Ubersicht he had given diagnoses for these genera and had figured one species of each. In an introductory note he had referred to the species so figured as Typus dienend”’. This note was accepted by most specialists as constituting a designation or selection of the species so figured to be the type species of the genera in question. Dr. Jacot had gone on to say that some specialists had . questioned the propriety of this view, arguing that the -

_ type species of the genera in question should be looked for

not in the Ubersicht of 1842 but in the Hefte of the Deut- schlands Crustaceen in which those names had first appeared. Dr. Jacot had taken the view that to go back to the Deutschlands Crustaceen in this way “hardly seems con- sistent with the author’s idea or with customary usage.” He had therefore asked the Commission to give a ruling on this question.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) reealled that many years ago the Commission had dealt (in Opinion 30) with a somewhat similar case which had been concerned with certain generic names in the Class Aves published by. Swainson in a paper on Mexican birds which had accidentally appeared before the paper (at the same time in the press) in which Swainson had given

(Previous reference: Paris Session,

7th Meeting, Conclusion 18 ; 9th Meeting, Conclusion 23)

13th Meeting, Paris, July, 1948. 373

diagnoses for these genera and had designated type species for them. In that case the Commission had ruled that the generic names in question were available as from the date on which they were published as the generic components of the names of new Mexican birds and that, where one species only was cited under one of these new names, that species was automatically the type species of the genus concerned by monotypy. In the present case, therefore, it must be accepted that, when Koch had published new generic names in this manner in the Deutschlands Crustaceen, the generic names in question were available under the Régles as from the date of being so published. Thus where in that work Koch applied a new generic name to one species only on the occasion on which that name was first published, that species was automatically the type species by mono- typy; similarly, where on that occasion he applied that generic name to two or more species (as in the case of the generic name Hoplophora) those species alone were eligible for selection at a later date as the type species of the genus concerned. In this connection, it was important to remember that, at the meetings noted in the margin, the Commission had agreed during the present Session to - recommend that provisions should be inserted in the Regles prescribing the method to be followed in determining the date of publication of a given book or part of a book and directing also that the expression “le plus anciennement designé”’, as used in Article 25, was to be interpreted rigorously, Accordingly, it must be realised in the present case that the only species which could be accepted as originally included species of a genus established by Koch in the Deutschlands Crustaceen was, or were, the species cited under that generic name in the Heft of that work in which that generic name first appeared or, if that name appeared in two or more Hefte published simultaneously, in those Hefte. Turning to the statement made by Koch in the introduction to the volume of his U7 bersicht published in 1842, the Acting President said that some specialists by whom this matter had been considered had been doubtful whether in using the phrase Typus dienend Koch had intended to refer to the concept of a “type species of a genus.” It might well be that, as had been suggested, Koch had used this phrase to indicate that he regarded the species which he figured as a typical representative of the genus rather than as its type species in the nomenclatorial sense. It was not possible—or appropriate—in a code of law to seek to interpret what was in the mind of a given author when making a particular statement. All that could properly be done was to look at the words which he had used and to determine what on a strict interpretation was

374

International Commission on Zoological Nomenclature.

the meaning”applicable to them. Judged by this objective test, the statement made by Koch appeared to him (the Acting President) to satisfy the requirements in Rule (g) in Article 30. Even, however, if one thus granted that, in making that statement, Koch had made type selections under the foregoing Rule, it did not follow that the selection so made was a valid one, for this would be the case only (1) if the genus in question was not monotypical, when first pub- lished in the Deutschlands Crustaceen and did not contain a species having as a trivial name either the word typus or the word typicus or a word which was tautonymous with the generic name, and (2) if the species selected in the Ubersicht was one of the species originally included in the genus on the occasion when the name in question had been first published in the Deutschlands Crustaceen. Dr. Jacot had not given particulars regarding the generic names covered by his application and in the absence of such particulars, it was not possible to determine whether the application of the Régles to those names would lead to confusion or not. If, after examining the position as regards any of the names in question, any specialist were to be of the opinion that the strict application of the Régles in that case would lead to instability and confusion in the nomenclature of the group concerned, it would be possible for him to submit to the Commission a statement setting out the facts of the case, with a request that the Commission should use their plenary powers to designate as the type species of the genus concerned some species, the designation as such of which was in harmony with current practice and would prevent confusion from occurring.

THE COMMISSION agreed :—

(1) that, in accordance with the principle illustrated by the decision given by the Commission in Opinion 30, the generic names published for the first time by Koch (C. L.) in Hefte of the work Deutschlands Crustaceen, Myriapoden und Arach- niden during the period 1835-1842, when forming new specific names for previously unnamed species are available as from the date of being so published and the type species of a such a genus is determined under Rules (b), (c) and (d) in Article 30, where, as the case may be, an originally included species (i) bears the trivial name typus or typicus, or (ii) is the sole species so included, or (ii) bears a trivial name which is tautonymous with the generic name and in other cases under Rule (g) in that Article ;

13th Meeting, Paris, July, 1948, 375

‘2) that the reference in the last paragraph of the Vorwort to the Erste Abteilung of the third volume (Drittes Heft) of the Ubersicht des Arach- nidensystems (published in 1842) to the single species figured in that volume for each genus as ‘“ Typus dienend is to be accepted as constituting a selection of that species to be the type species of that genus under Rule (g) in Article 30 ;

that, in the case of a genus, the name of which was first published in the Deutschlands Crustaceen, the type selection made for that genus by Koch in the Ubersicht in the manner specified in (2) above is a valid selection only (a) when the genus in question was not monotypical at the time when it was first named and did not contain a species having as a trivial name either the word typus or the word typicus or a word which was tautonymous with the generic name, and (b) when the species so selected was one of the species referred to the genus in the Heft of the Deutschlands Crustaceen in which the generic name was first published or, where two or more Hefte were published simul- taneously and the generic name appeared in more than one of these Hefte, one of the species so referred in any of these Hefte;

(4) that if, on applying the foregoing decisions, specialists are of the opinion that the adoption as the type species of any given genus of the species so determined as such would lead to instability and confusion in the nomenclature of the group concerned, it was open to those special- ists to submit an application to the Commission for the use of the plenary powers and the Com- mission, on receiving such an application supported by adequate particulars relating to the name in question and the grounds on which instability and confusion was apprehended, could then judge whether or not the plenary powers should be used to vary the type species of the genus in question ; :

6)

(5) to render an Opinion recording the decisions specified in (1) to (3) above, reference being made at the same time to the decision recorded in

(4) above. Diaptomus 20. THE COMMISSION had under consideration an pee 1897 application submitted by Dr. Robert Gurney (United

(Class Crustacea, | Kingdom) (file Z.N.(8.)8) on the question of the oldest -

376 International Commission on Zoological Nomenclature.

Order Copepoda) : Validation, under the plenary powers of the trivial name vulgaris

(Previous reference: Paris Session, 12th

Meeting, Conclusion 14)

available trivial name for the species renamed Diaptomus vulgaris by Schmeil in 1897 (Class Crustacea, Order Copepoda) (Gurney, 1946, Bull. zool. Nomencl., 1: 162). The above name had been given by Schmeil as a name for the species of Copepod to which Fischer (1853) had applied the name Cyclopsina coerulea. That name would have been - an available name if it had been given as a new name, but unfortunately Fischer had made it clear that the trivial name coerulea was not a new name but was the same name as that used by O. F. Miiller in 1785, when he published the then new name Cyclops coeruleus. Miiller’s species was generally regarded by modern workers as unidentifiable, although one worker claimed to have established such an identification. Accordingly it remained a matter of con- tinual doubt whether Miilier’s name coeruleus could be correctly applied to the species to which Schmeil had later given the trivial name vulgaris. It was to resolve this difficulty that the present application had been submitted to the Commission.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that the present was a case which fell within the class of case for which, at the meeting noted in the margin, the Commission had recommended an extension of their plenary powers. There was no question here of confusion arising through the strict application of the Regles. The confusion involved was of a different kind, arising through the impossibility of determiming how the Reégles should be applied. He recommended that the Commission should dispose of the difficulty in the present case by suppressing the name published by Miiller in 1785 as unrecognisable, and validating the name (Diaptomus vulgaris) published by Schmeil in 1897, that name being not only fully documented but also the name generally (though not universally) in use for this species.

THE COMMISSION agreed :— (1) to use their plenary powers :—

(a) to suppress the trivial name coeruleus Miiller (O.F.), 1785 (as published in the binominal combination Cyclops coeruleus) for the purposes of Article 25, but not for those of Article 35 ;

(b) to validate the trivial name _ vulgaris Schmeil, 1897 (as published in the bino- minal combination Diaptomus vulgaris) for the species of the Order Copepoda (Class Crustacea) so named ;

The generic name Graptolithus Linnaeus, 1768 and

. the specific name

Graptolithu scalaris :

lass Graptolithina, Order Graptoloidea) : suppression of, under the plenary powers

13th Meeting, Paris, July, 1948. oan

(2) to put the trivial name vulgaris Schmeil, 1897 (as published in the binominal combination Diaptomus vulgaris) on the Official List of Specific Trivial Names in Zoology” and the trivial name coeruleus Miiller (O.F.), 1785 (as published in the binominal combination Cyclops coeruleus) on the “‘ Official Index of Rejected and Invalid Specific Trivial Names in Zoology” ;

(3) to render an Opinion recording the decisions specified in (1) and (2) above.

21. THE COMMISSION had under consideration an application submitted by Dr. O. M. B. Bulman (United Kingdom) (file Z.N.(S.)11) for the use by the Commission of their plenary powers to suppress the name Graptolithus Linnaeus, 1768, as a generic name and the name Grapto- lithus scalaris Linnaeus, 1768, as a specific name, having . regard to the fact (a) that Linnaeus himself regarded these names as applying to inorganic matter and (2) that the name scalaris was now regarded as probably applying to a Graptolite, but that it could not be identified with certainty and thus remained a menace to stability in graptolite nomenclature, as long as it possessed availability under the Regles (Bulman, 1946, Bull. zool. Nomenel., 1: 163-164)

THE COMMISSION agreed :—

(1) to use their plenary powers to suppress for purposes of Article 25 but not for those of Article 34 or, as the case might be, Article 35 :—

(a) the generic name Graptolithus Linnaeus, 1768 (Class Graptolithina) ;

(b) the trivial name scalaris Linnaeus, 1768 (as published in the binominal combination Graptolithus scalaris) ;

(2) to place the name Graptolithus Linnaeus, 1768, on the Official Index of Rejected and Invalid Generic Names in Zoology and the trivial name scalaris Linnaeus, 1768 (as originally published in the binominal combination Graptolithus scalaris) on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology ;

(3) to render an Opinion recording the decisions specified in (1) and (2) above.

378 International Commission on Zoological Nomenclature

Monograptus (emend. of

Monograpsus ”’) Geinitz, 1852 (Class Graptolithina, Order Graptoloidea) : validation of, under the plenary powers

Retiolites Barrande, 1850 (Class Graptolithina, Order Graptoloidea) : validation of, under he plenary powers

22. THE COMMISSION had under consideration an application submitted by Dr. O. M. B. Bulman (United Kingdom) (file Z.N.(S.)11) for the use by the Commission of their plenary powers to validate the generic name Mono- graptus (emend. of Monograpsus) Geinitz, 1852, with Lomatoceras priodon Bronn, 1834, as its type species, and for this purpose to suppress the generic names Lomatoceras Bronn, 1834, and Monoprion Barrande, 1850 (Bulman, 1946, Bull. zool. Nomencl., 1: 164-166). The name Monograptus had been in continuous use for nearly 80 years, and was extensively employed in stratigraphical literature, being probably the most important and widely distributed single graptolite genus. Great confusion, unaccompanied by any corresponding advantage, would result from the rejection of the name Monograptus on purely nomenclatorial grounds.

THE COMMISSION agreed :—

(1) to use their plenary powers :— (a) to suppress the generic names Lomatoceras Bronn, 1834, and Monoprion Barrande, 1850, for the purposes of Article 25 but not for those of Article 34 ; (b) to validate the generic name Monograptus (emend. of Monograpsus) Geinitz, 1852, with Lomatoceras priodon Bronn, 1834, as its type species ; ; (2) to place the generic name Monograptus Geinitz, 1852 (Class Graptolithina, Order Graptoloidea), emended and validated as above and with the above species as its type species, on the Official List of Generic Names in Zoology and the trivial name priodon Bronn, 1834 (as published in the binominal combination Lomatoceras priodon) on the Official List of Specific Trivial Names in Zoology ”’ ; to place the generic names Lomatoceras Bronn, 1834, and Monoprion Barrande, 1850, on the Official Index of Rejected and Invalid Generic Names in Zoology ; (4) to render an Opinion recording the decisions speci- fied in (1) to (3) above.

23. THE COMMISSION had under consideration an application submitted by Dr. O. M. B. Bulman (United ‘Kingdom) (file Z.N.(S.)11) for the use by the Commission of their plenary powers to validate the generic name Retiolites Barrande, 1850, by suppressing the name Gladiolites Barrande, 1850 (Bulman, 1946, Bull, ool,

(3

~~

Diplodinium Schuberg, 1888

(Class Ciliophora) :

trivial name of type species of

13th Meeting, Paris, July, 1948. 379

Nomencl., 1: 166). It was explained that Barrande, when proposing the latter of these names, had thought that objection might be taken to it on the ground that it was too near to the generic name Gladiolus in plants and had accordingly at the same time published the name Retiolites as an alternative name for this genus. The name Gladvolites had not since been used for graptolites, its place having been taken by Retiolites. The latter was widely used in stratigraphy, the “‘ Retiolites Shale” being a well-known, long-established and important stratigraphical unit in the Upper Silurian of Sweden, extensively quoted not only in Scandinavian literature but also in correlation with Europe and America. Further the name Retiolites figured in nearly every elementary textbook of palaeontology and stratigraphy. THE COMMISSION agreed :— (1) to use their plenary powers :—

(a) to suppress the generic name Gladiolites Barrande, 1850, for the purposes of Article 25 but not for those of Article 34;

(b) to validate the generic name Retiolites Barrande, 1850, with Gladiolites geinitzianus Barrande, 1850, as type species ;

(2) to place the generic name Retiolites Barrande, 1850 (Class Graptolithina, Order Graptoloidea), validated as above and with the above species as its type species, on the Official List of Generic Names in Zoology ; to place the generic name Gladiolites Barrande, 1850, on the Official Index of Rejected and Invalid Generic Names in Zoology ; to place the trivial name geinitzianus Barrande, 1850 (as published in the binominal combination Gladiolites geinitzianus) on the Official List of Specific Trivial Names in Zoology ; (5) to render an Opinion recording the decisions specified in (1) to (4) above.

24. THE COMMISSION had under consideration :—

(a) an application submitted by the late Professor C. A. Kofoid (U.S.A.) (file Z.N.(S.)13) for a ruling regarding the trivial name of the type species of the genus Diplodinium Schuberg, 1888 (Class Ciliophora) (Kofoid, 1946, Bull. zool. Nomenel., T= 16%);

(b) a note on the foregoing application submitted by the Secretary to the Commission (Hemming, 1946, Bull. zool. Nomencl., 1: 168) ;

(3

~~

eee

(4

380

International Commission on Zoological Nomenclature.

(c) an extract from a letter addressed to the Secretary to the Commission by Professor Harold Kirby giving certain additional information asked for by Secretary Hemming (Kirby, 1946, Bull. zool. Nomenel., 1: 169-170).

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) explained that, at the time when Professor Kofoid first submitted this application to the Commission (i.e. in 1930), he accepted as probably correct the conclusion reached by Eberlein (1895) that Schuberg was in error when he identified with Entodinium dentatum Stein, 1858, the species on which he based his genus Diplodiniwm. Later, however, in his monograph (written jointly with MacLennan) (1932), Professor Kofoid had given grounds for believing that no error of identification had been made by Schuberg and that Eberlein himself had been in error in disputing Schuberg’s identification. This view was shared also by Wertheim (1935) and, as the Commission would see, by Professor Kirby. In these circumstances all difficulty in this case disappeared.

THE COMMISSION :—

(1) took note that it was no longer considered by specialists in the group concerned that Schuberg (1888) was in error when he identified with Entodinium dentatum Stein, 1858, the species placed by him under this name in the genus Diplodinium Schuberg, 1888 (Class Ciliophora) ;

(2) agreed that, in view of (1) above, the type species of the foregoing genus was correctly cited by Schuberg under the trivial name dentatum (as originally published by Stein in 1858 in the binominal combination Hntodinium dentatum) ;

(3) agreed :—

(a) to place the generic name Diplodinium Schuberg, 1888 (type species by monotypy : Entodinium dentatum Stein, 1858, as deter- mined by Schuberg (1888), by Kofoid and MacLennan (1932) and by Wertheim (1935) ), on the Official List of Generic Names in Zoology ;

(b) to place the trivial name dentatum Stein, 1858 (as originally published in the bi- nominal combination Entodinium dentatum and as identified by the authors specified in (a) above) on the Official List of Specific Trivial Names in Zoology ;

Aspidoproctus Newstead, [April] 1901 (Class Insecta, Order Hemiptera) (a generic name published for a single species but at the same time rejected by its author as not needed for that species) : addition of, to

“* Official List of Generic Names in Zoology

(Previous reference: Paris Session, 6th Meeting, Conclusion 1s)

13th Meeting, Paris, July, 1948. 381

(4) agreed to render an Opinion recording the decisions specified in (1) to (3) above.

25. THE COMMISSION had under consideration an application submitted by the late Professor T. D. A. Cockerell (U.S.A.) (file Z.N.(S.)46) for a ruling on the question whether a manuscript generic name (Aspido- proctus) published by an author (Newstead) on a given date (1901) for a given species but rejected in the same paper as being unnecessary is available, if later it is con- sidered on taxonomic grounds that the species for which it was so published (but to which it was not actually applied except in synonymy) requires a separate generic name (Cockerell, 1946, Bull. zool. Nomencl., 1: U71):

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) recalled that, at their meeting noted in the margin, the Commission had agreed to incorporate in the Regles the ruling given in Opinion 4 on the subject of the availability of manuscript names, when published in conditions which satisfy the requirements of the provisos to Article 25. From that decision it followed that the generic name Aspido- proctus Newstead ranked for purposes of priority from April, 1901, the date when it was first published by Newstead. The type species of the genus Aspidoproctus was Walkeriana pertinax Newstead, April, 1901, that being the sole species in connection with which the generic name Aspidoproctus had then been published.

THE COMMISSION agreed :—

(1) that, in accordance with the ruling given in Opinion 4 and now to be embodied in the Régles, the generic name Aspidoproctus published by Newstead in April, 1901, as a rejected manuscript name was available under Article 25 as from the date of being so published, and accordingly had priority over the name Lophococcus Cockerell, [August] 1901 ;

(2) that Walkeriana pertinaz Newstead, 1901, was the type species of the genus Aspidoproctus Newstead, 1901, by monotypy, that being the sole species at that time cited in connection with this generic name ;

(3) to place :— (a) the generic name Aspidoproctus Newstead, [April] 1901 (Class Insecta, Order Hemip- tera), with the above species as its type

species, on the Official List of Generic Names in Zoology ;

382 International Commission on Zoological Nomenclature.

Article 25 :

a specific name based upon a specimen which is undescribed but which formed part of the type series of a previously described species, declared not to satisfy Proviso (a)

(b) the trivial name pertinax Newstead, 1901 (as published in the binominal combination Walkervana pertinax) on the Official List of Specific Trivial Names in Zoology ;

(4) to render an Opinion recording the decisions specified in (1) to (3) above.

26. THE COMMISSION had under consideration an application submitted by the late Dr. J. M. Aldrich (U.S.A.) (file Z.N.(S8.)103) for a ruling on the question whether (a) a specific name based upon a single specimen of a previously named and described species, and (b) a generic name based upon such a specific name, have any availability under the Régles, when no characters are given for the species or genus so named, other than that the type specimen of the species was one of the specimens included in error by a previous author among the type material of another species described by that author (Aldrich, 1946, Bull. zool. Nomenel., 1: 171). Dr. Aldrich had illustrated the problem which he had submitted by citing the case of the nominal species Phoranthella morrisont Townsend, 1915 (Class Insecta, Order Diptera) and the generic name Phoranthella then published by Townsend for the first time. The above species was designated by Townsend as the type species of: the genus Phoranthella and accordingly the generic name Phoranthella would be an available name, if the name of the nominal species Phoranthella morrisoni Townsend could be regarded as an available name. But the only statement made by its author in regard to this species was that it was based upon one specified example of the type series of another species described by a different author (Phorantha (Hyalomyia) occidentis Coquillet, 1897). Dr. Aldrich had observed that Coquillet’s series of occidentis consisted of some 40 specimens from 12 localities, and that Townsend had taken out only one specimen as misidentified; no description of Phoranthella morrisont had been published by Townsend or Coquillet.

It was pointed out that under the ruling in Opinion 1 in no case could a museum label or specimen be accepted as an “indication and therefore that the name Phoranthella morrisoni could not be regarded as having been accompanied by an indication ”’ at the time when it was first published (1915). As at that date, therefore, the above name was a nomen nudum. It followed that, as at 1915, the generic name Phoranthella was also a nomen nudum, for its identity turned solely upon the status of the nominal species designated as its type species.

** Diadema” Gray, 1825 (Class

Echinoidea) : validation of,

under the

plenary powers

(Previous reference: isbon Session, 4th Meeting, Conclusion 1)

(Later reference : Paris Session, 14th Meeting, Conclusion 32)

VOL, 4 BB

13th Meeting, Paris, July, 1948. 383

THE COMMISSION agreed :—

(1) that, as published by Townsend in 1915, the specific name Phoranthella morrisoni (Class Insecta, Order Hemiptera), was a nomen nudum, and conse- quently, as at that date, the generic name Phoran- thella Townsend, 1915, which depended for its recognition solely upon the status of the name of its type species, was also a nomen nudum;

that the name Phoranthella Townsend, 1915, should be added to the Official Index of Rejected and Invalid Generic Names in Zoology and that the trivial name morrisoni Townsend, 1915 (as published in the binominal combination Phoran- thella morrisont), should be added to the “Official Index of Rejected and Invalid Specific Trivial Names in Zoology”.

bo

(3) to render an Opinion recording the decisions specified in (1) and (2) above.

27. THE COMMISSION had under consideration an application submitted by Commissioner Th. Mortensen (Denmark) (file Z.N.(S.)52) for the use by the Commission of their plenary powers to preserve the generic name Diadema in its accustomed sense in the Class Echinoidea (Mortensen, 1946, Bull. zool. Nomencl., 1: 172-175).

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) reminded the Commission that the present applica- tion had originally been submitted to them by Dr. Mortensen as long ago as 1932, after an extensive sounding of opinion among interested specialists had shown a strong desire, on the part of the great majority of those concerned, to secure the continued use in its accustomed sense of the generic name Diadema, the disappearance of which in synonymy would give rise to serious confusion. Preliminary consideration had been given to this matter by the Com- mission during their Lisbon Session in 1935, when it had been pointed out that the name Diadema had been published as a generic name on two occasions (by Schumacher in 1817 and by Ranzani in the same year) prior to its use in the Phylum Echinodermata by Gray in 1825. It had in consequence been agreed, at the meeting noted in the margin, that the consideration of this application should be deferred and that Dr. Mortensen should be invited to confer with himself (Commissioner Hemming) with a view to the sub- mission to the Commission of the data required to enable a decision to be reached. The paper referred to above, which had been published in the Bulletin of Zoological Nomenclature, was the outcome of those discussions. In that paper it was

384

International Commission on Zoological Nomenclature.

suggested that the Commission should use their plenary powers to validate the name Diadema (with Echinometra setosa Leske, 1778, as type species) as from Humphreys (1797, Mus. calonn.), notwithstanding the fact that in Opinion 51 the Commission had ruled against the avail- ability of names published in that work. It had since been ascertained from Professor Hj. Broch (Oslo) that not only was the generic name Diadema Schumacher not in use for a Cirripede but that it would, in his opinion, lead to confusion if such a change were to be necessary, which fortunately was not the case. Continuing, the Acting President said that he had had an opportunity of a further discussion of this case with Dr. Mortensen during a visit which he had paid to Copenhagen during the previous year (1947). As a result, Dr. Mortensen and he had agreed to amend the proposal submitted to the Commission by substituting for it a proposal that the name Diadema Schumacher, 1817, and the name Diadema Ranzani (if that name was in fact distinct from that published by Schumacher) should be suppressed and that the name Diadema should be validated in the Class Echinoidea as from Gray, 1825, the author and date to which that name was commonly attributed, the type species of this genus to be, as previously proposed, Echino- metra setosa Leske, 1778.

Since the Lisbon Session the application for the use of the plenary powers in this case had been advertised but that advertisement had not disclosed any information not known as the result of the sounding of opinion among interested specialists carried out by Dr. Mortensen, prior to the submission by him of his original proposal in 1932. Dr. Hubert Lyman Clark (Harvard University) had renewed his former objections, while Dr. Austin H. Clark (United States National Museum, Washington, D.C.) had reaffirmed his support for the action proposed.

THE COMMISSION agreed :—

(1) to use their plenary powers :— (a) to suppress the names Diadema Schumacher, 1817, and Diadema Ranzani, 1817 (Class Crustacea, Sub-Class Cirripedia) ; (b) to validate the name Diadema Gray, 1825 (Class Echinoidea) with Echinometra setosa Leske, 1778, as type species ;

(2) to place the generic name Diadema Gray, 1825, validated as above and with the above species as its type species on the Official List of Generic Names in Zoology ;

(3) to place the generic names Diadema Schumacher, 1817, and Diadema Ranzani, 1817, on the “‘ Official

Orders and Higher Taxonomic Units : problem of obtaining uniformity in nomenclature of

VOL. 4 BB?

13th Meeting, Paris, July, 1948. 385

Index of Rejected and Invalid Generic Names in Zoology” ;

(4) to place the trivial name setosa Leske, 1778 (as originally published in the binominal combina- tion Echinometra setosa), on the Official List of Specific Trivial Names in Zoology ”’ ;

(5) to render an Opinion recording the decisions specified in (1) to (4) above.

28. THE COMMISSION had under consideration a request received from the late Mr. Edwin Ashby (file Z.N. (S.)20) for a ruling on the question of the relative merits of the names Polyplacophora and Loricata as the name for the Class known as Chitons” in the Phylum Mollusca (Ashby, 1946, Bull. zool. Nomencl., 1: 176).

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) suggested as the question here at issue was the regulation of names of taxonomic units above the family level, it would be convenient if, while considering the problem submitted by the late Mr. Ashby, the Commission were to consider also the application for a ruling on the relative merits of the names Bryozoa and Polyzoa for the Class universally known by one or other of these names submitted by Sir Sidney Harmer (United Kingdom) (file Z.N.(S.)72), through the late Dr. W. I, Sclater, on behalf of the Zoological Record Committee of the Zoological Society of London (Harmer, 1947, Bull. zool. Nomencl., 1: 230-231).

IN THE COURSE OF A GENERAL DISCUSSION the view was expressed that it was anomalous that zoologists should have taken so much pains, first by the adoption of the Regles, and second, by the grant of special powers to the International Commission, to promote uniformity in nomen- clature up to the family level but should have done nothing to secure a similar object for the great categories represented by Orders, Classes and Phyla. The reason was, no doubt, that, at the time when the Regles were established, the task of grappling with the problems involved in nomenclature up to the family level were such as to leave zoologists with insufficient energy to tackle the problem of the nomenclature of the higher categories. There were naturally zoologists who were such narrow specialists that they saw no harm in the same word being used to denote (for example) Orders in two different Classes in the Animal Kingdom, but to zoologists of wider outlook, particularly to University and other teachers of zoology, the present situation was highly unsatisfactory, being both illogical and calculated to cause confusion. The question had been raised some years before the war at a meeting of the American Association for the

386 International Commission on Zoological Nomenclature.

Fasciola ovata Rudolphi, 1803 (Class Trematoda, Order Digenea), a composite nominal species : action by Braun in determin- ing taxonomic identity of, correct under Article 31

Advancement of Science but no practical suggestions had then been formulated. Undoubtedly, zoologists in general were becoming increasingly tired of the state of disorder which still reigned in this field of zoological nomenclature, and it was natural therefore that such zoologists or groups of zoologists should turn to the Commission for guidance, as first the late Mr. Ashby had done, and later the Zoological Record Committee of the Zoological Society of London. On the other hand the problems involved were essentially difficult and great care would be necessary in the choice of an approach to the subject. It was generally felt that, however disappointing a further delay might be to those who were interested to secure some progress in this field or even to obtain some guidance in particular cases, the best course would be to avoid expressing any piecemeal opinion in this matter. The best hope lay in carrying out first a thorough examination of the whole field in conjunction with interested specialists.

THE COMMISSION agreed :—

(1) to recommend that Commissioner Francis Hem- ming (Secretary to the Commission) should be invited to make a thorough study, in conjunction with interested specialists, of the problems involved in securing uniformity in the nomenclature of categories down to, and including, the Categories Order (Ordo) and Sub-Order (Sub-Ordo), and to submit a comprehensive Report thereon, with recommendations, to the Commission at their meeting to be held during the next (XIVth) meeting of the Congress, with a view to the sub- mission by the Commission of recommendations for the insertion in the Régles of comprehensive provisions dealing with this subject ;

(2

in view of (1) above, to defer decisions on the applications received for advice on the relative merits of :—

(a) the Class Names Polyplacophora and Loricata in the Phylum Mollusca ;

(b) the Class Names Bryozoa and Polyzoa.

29. THE COMMISSION had under consideration an application submitted by Dr. G. Witenberg (Hebrew University, Jerusalem) (file Z.N.(S.)126) asking for a ruling on the question whether Braun, on discovering that the original vial containing specimens determined by Rudolphi as Fasciola ovata Rudolphi, 1803 (Class Trematoda, Order Digenea) contained two species, acted in accordance with

(Previous reference: Paris Session,

4th Meeting, Conclusion 11).

Petalifera Gray, 1847, and Aplysiella Fischer, 1872

Class Gastropoda, Order Aplysio- morpha) : relative status of

13th Meeting, Paris, July, 1948. 387

the Régles when he selected one of those species to be the species to which the foregoing name should adhere (Witenberg, 1946, Bull. zool. Nomencel., 1: 176).

In the discussion on this application it was pointed out that, whatever doubt might have existed at the time when Dr. Witenberg submitted the present application to the Commission, there was now no doubt at all regarding the validity of the action taken by Braun in this case, for that action was in strict conformity with the procedure to be laid down in Article 31, when amended in accordance with the recommendations agreed upon at the meeting noted in the margin held during the present Session.

THE COMMISSION agreed :-—

(1) that Braun (1901) had acted in strict conformity with Article 31 of the Régles when, on ascertaining, by reference to Rudolphi’s original material of Fasciola ovata Rudolphi, 1803 (Class Trematoda, Order Digenea), that that species was a composite species containing two taxonomically distinct species, he had selected one of those species to be the species to which the name Fasciola ovata Rudolphi, 1803, should adhere ;

(2) that the trivial name ovata Rudolphi, 1803 (as published in the binominal combination Fasciola ovata), as determined by Braun (1901), should be placed on the Official List of Specific Trivial Names in Zoology ;

(3) to render an Opinion recording the decisions Specified in (1) and (2) above.

30. THE COMMISSION had under consideration an application submitted by Dr. H. Engel (Zoologisch Museum, Amsterdam) (file Z.N.(S.)150) regarding the relative status of the names Petalifera Gray, 1847, and Aplysiella Fischer, 1872 (Class Gastropoda, Order Aplysiomorpha) (Engel, 1946, Bull. zool. Nomencl., 1: 177 y 4 .

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that this was one of the oldest of the outstanding cases which had been transferred to him by his predecessor, it having been submitted to the Com- mission by Dr. Engel as far back as 1933. He was therefore most anxious that a decision on it should, if possible, be reached at the present Session. At the time when this application was submitted, the name Aplysiella Fischer, 1872, was in general use for Aplysia petalifera Rang, 1828

388 International Commission on Zoological Nomenclature.

(Previous reference:

Paris Session, 12th Meeting, Conclusion 37).

(Previous reference:

Paris Session, 4th Meeting, Conclusion 13).

its type species, though in 1896 Pilsbry had sunk this generic name as a synonym of Petalifera Gray, 1847 (type species, by absolute tautonymy: Aplysia petalifera Rang, 1828). The latter name had, however, been published by Gray in a most irregular manner as a synonym of a new genus (Dolabrifera) then established by himself for the first time. At their meeting noted in the margin the Commission had agreed to defer for further study the question of the species to be regarded as eligible for selection as the type species of a genus established in a generic synonymy. It might be argued however that in spite of the defective manner in which the name Petalifera Gray had been first published, there could be no doubt as to its type species, that having been designated by absolute tautonymy under Rule (d) in Article 30; and that the generic name Petalifera Gray, 1847, satisfied all the requirements of Article 25, for even before the liberalisation of the definition of the expression “‘ indication agreed upon at the meeting noted in the margin, this name had been published with an “indication,” as then defined in Opinion 1, for it had been published with an indicated type species. The only question which remained to be considered was whether greater confusion than uniformity was likely to result through the digging-up of this long-forgotten name. On the evidence submitted, it had appeared that this was probable, but through the slowness of the action of the Commission it was possible that the position might have changed and that now the best course would be to let the Régles take their course.

THE VIEW WAS EXPRESSED that, for reasons ex- plained by the Acting President, it was desirable that a decision should be reached on this case as soon as possible. On the other hand, it was important that the inquiry to which the Acting President had referred should not be in any way prejudged. It was further felt that before a decision was taken, it was desirable that information should be obtained from interested specialists on the question whether, if it were found that the name Petalifera Gray 1847, were an available name and therefore that that name should be substituted for the name Aplysiella Fischer, 1872, that substitution would be likely to cause greater confusion than uniformity. In the light of the information so obtained, it would be possible both to meet the wishes of specialists and to avoid prejudging the question of principle involved, by the use ad hoc of the plenary powers, in so far as might be necessary. If the consensus of opinion were to show that no serious confusion was to be apprehended, the Commission could then settle the present case by placing

/

Acme Hartmann, 1821, Acmea Hartmann, 1821, and Acmaea Eschscholtz, 1833 (Class Gastropoda) ; relationship of these names to one another under Article 34.

13th Meeting, Paris, J uly, 1948, 389

the name Petalifera Gray, 1847, on the Official List of Generic Names in Zoology’ and the name Aplysiella Fischer, 1872, on the Official Index of Rejected and Invalid Generic Names in Zoology ’”’. If, on the other hand, the proposed consultation were to show that the substitution of names indicated above would be likely to cause confusion, it would be open to the Commission to preserve the generic name Aplysiella Fischer as against the older name Petalifera Gray.

THE COMMISSION agreed :—

(1) to invite the Secretary to the Commission to ascertain from interested specialists whether, if Petalifera Gray, 1847, were found to be an available name, the substitution of that name for Aplysiella Fischer, 1872, which would then be necessary, would be likely to give rise to greater confusion than uniformity ;

-_- bo

to take a final decision and render an Opinion on the present application as quickly as possible after the information asked for in (1) above was available.

31. THE COMMISSION had under consideration an application (file Z.N.(S8.)27) submitted by Mrs. Avery R. Test (formerly Avery R. Grant) (University of California, Berkeley, U.S.A.) for a ruling on the question whether the name Acmaea Eschscholtz, 1833 (Class Gastropoda, Order Archaeogastropoda) was to be treated as a homonym of Acmea Hartmann, 1821 (there treated as an emendation by Hartmann of the name Acme Hartmann published in the same year) (Class Gastropoda, Order Mesogastropoda) (Test, 1946, Bull. zool. Nomenel.,1 : 178-180). ;

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that, since Mrs. Test’s application had been published in the Bulletin, he had received a detailed communication on this case from Mr. Joshua L,. Baily, Jr. (San Diego, California, U.S.A.). This communication threw a new light on this case and presented data which differed in important respects from the information previously available to the Commission. The most important point of difference made by Mr. Baily was that Acmea Hartmann, 1821, was not (as many authors,

including Mrs. Test in her application to the Commission,

had considered) an emendation by Hartmann of his own name Acme Hartmann published in the same year, but had

.

~ in fact been given by Hartmann to a different genus.

Further, evidence was advanced by Mr. Baily to show

390 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session,

6th Meeting, Conclusions 41)

that the Neue Alpina in which the name Acmea Hartmann first appeared was actually published earlier in 1821 than the portion (Heft 5) of volume 6 of Sturm’s Deutschland’s Fauna in which the name Acme Hartmann first appeared. There were therefore three (and not merely two) generic names to consider :—(1) Acmaea Eschscholtz, 1833 (Class Gastropoda, Order Archaeogastropoda), a well- established name in universal use which all interested specialists were agreed should, if possible, be preserved ; (2) Acme Hartmann, 1821, originally described on page 37 of Heft 5 of Vol. 6 of Sturm’s Deutschland’s Fauna without included species, and in 1822 used by Hartmann (ibid. 6 (Heft 6): 61), for Bulimus lineatus Draparnaud, 1801, in place of Acicula Hartmann, 1821, an invalid homonym (Acme Hartmann, 1821, was stated by Mr. Baily to be in general use, though he pointed out that some authors (but not he himself) had rejected it on the ground of its similarity to Acmaea Eschscholtz, 1833.) ; (3) Aemea Hart- mann, 1821, had, it appeared, never been in popular use, the genus concerned having been consistently known by the name Truncatella Risso, 1826, until Iredale in 1915 had drawn attention to the earlier name.

Continuing, the Acting President recalled that, at the meeting noted in the margin, it had been decided to recom- mend a clarification of Article 34, which would put an end to all doubts as to the circumstances in which two similar but not identical generic names were to be regarded as homo- nyms of one another. That decision affected the present case in two ways: (1) It was now clear that neither the name Acmea Hartmann, 1821, nor the name Acmaea Eschscholtz, 1833, was a homonym of Acme Hartmann, 1821; (2) the names Acmea Hartmann, 1821, and Acmaea Eschscholtz, 1833, were to be regarded as homonyms of one another only if it was evident that they were based upon the same Latin or Latinised word. On this latter question, extensive data had been advanced in the papers submitted to show that the words of which these two names were composed— which were admittedly Latinised Greek words—were entirely distinct from one another and possessed quite different meanings. In these circumstances, it was not “* evident ”’ that these two names were based upon the same word. Accordingly, Aemea Hartmann, 1821, and Acmaea Eschscholtz, 1833, were not to be regarded as homonyms of one another. This was satisfactory, in that it enabled the strong general desire of specialists that the well-known generic name Acmaea Eschscholtz should be preserved to be realised. On the other hand, it could not be disputed that the concurrent existence within a single Class (the Class Gastropoda) of two generic names differing from one another

13th Meeting, Paris, July, 1948. 391

by so little as did the names Acmea and Acmaea was calculated to give rise to confusion. For this reason, there seemed to the Acting President to be good reason to use the plenary powers to suppress the name Acmea Hartmann, 1821, the separate existence of which as a generic name had had only recently been brought to light by the bibliographical investigations conducted by Mr. Baily. Moreover, this course had the further important advantage that it would . validate the well-known and universally-accepted name Truncatella Risso, 1826, which otherwise would fall to the resurrected name Acmea Hartmann, 1821.

IN DISCUSSION, it was generally agreed that a solution of the long-standing difficulties associated with these names ought to be found with as little further delay as possible, and the hope was expressed that the suggestion which had been put forward would provide the ground for such a settlement. The case in favour of using the plenary powers to suppress the name Acmea Hartmann, 1821, was a strong one, for not only would that action eliminate all possibility of confusion arising from the use of the later name Acmaea Eschscholtz, 1833, but it would also provide a means for preserving the long-established name T’runcatella Risso, 1826, which other- wise would fall a victim to Acmea Hartmann, 1821, the separate existence of which, as a generic name, had only just been established. It was desirable that the suggested solution should be put to specialists as quickly as possible with a view to early action by the Commission and the issue of an Opinion as soon as the desires of the specialists con- cerned had been ascertained.

THE COMMISSION agreed :-—

(1) that the generic name Acme Hartmann, 1821 (type species, by monotypy: Bulimus lineatus Draparnaud, 1801), was an available name in the sense that it was not a homonym of any previously published generic name, and further that no evidence had been adduced which would justify the emenda- tion, under Article 19, of this name from Acme to Acmea 5

(2) that, under the clarification of Article 34 agreed upon during the present Session, the undermentioned generic names were not to be regarded as homonyms of one another :—

(a) Acmea Hartmann, 1821 (type species, by selection by Tredale, 1915): Acmea truncata Hartmann, 1821 (=Cyclostoma truncatulum Draparnaud. 1801) (Class Gastropoda, Order Mesogastropoda) ;

(b) Acmaea Eschscholtz, 1833 (type species, by selection by Dall, 1871: Acmaea mitra Eschscholtz, 1833) (Class Gastropoda, Order Archaeogastropoda) :

(3) that, in view of likelihood of continued confusion if two such similar names as Acmea Hartmann, 1821, and Acmaea Eschscholtz, 1833, were both used in a’ single Class (Class Gastropoda) and having regard also to the strong objection to which the substitution of the unknown name Acmea Hartmann, 1821, for the well-known and long-established

392 International Commission on Zoological Nomenclature.

Ammonites cordatus’”’ Sowerby, 1813 (Class Cephalopoda, Order Ammonoidea) : designation of a lectotype under the plenary powers.

name Truncatella Risso, 1826, would be open, specialists should be asked to express their opinion on the proposal that the plenary powers should be used to suppress the name Acmea Hartmann, 1821, thereby eliminating all possibility of confusion arising from the use of the name Acmaea Eschscholtz, 1833, and at the same time validating the name Truncatella Risso, 1826, while the third genus concerned (of which Bulimus lineatus Draparnaud, 1801, is the type species) would be known by its valid name Acme Hartmann, 1821 ;

(4) to invite the Secretary to the Commission to re-submit this case as soon as the inquiry instituted under (3) above had been completed ;

(5) to reach a decision on this case, and to render an Opinion thereon, as quickly as possible after the receipt of the Report asked for in (4) above, the case in the meantime to be regarded as sub judice and the name T’runcatella Risso, 1826, not to be replaced by the name Acmea Hartmann, 1821.

32. THE COMMISSION had under consideration :—

(a) an application submitted by Dr. W. J. Arkell (then of the University Museum, Oxford) (file Z.N.(S)58) for the use by the Commission of their plenary powers for the purpose of setting aside the selection by Miss M. Healey (1905) of fig. 2 on pl. 17 of vol. 1. of Sowerby’s Min. Conch. Great Britain as the lectotype of Ammonites cordatus Sowerby, 1813, and of designating in its place fig. 4 on the same plate (Arkell, 1946, Bull. Zool. Nomencl. 1: 181-184, 1 pl.) ;

(b) a note by the Secretary to the Commission on the scope of the proposal submitted by Dr.Arkell (Hemming, 1946, Bull. Zool. Nomencl. 1: 185).

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) pointed out that a large part of Dr. Arkell’s case rested upon the fact that Ammonites cordatus Sowerby, as identified with Sowerby’s figure 4, was an important

. index fossil, giving its name to the “Cordatus Zone” of

( Previous reference: Paris Session,

8th Meeting, Conclusion 4)

the Jurassic. It fell therefore in the class of case which the Commission had agreed at the meeting noted in the margin called for specially sympathetic consideration. It was clearly most important that the names of zone fossils of importance in stratigraphy should not lightly be changed for reasons of a purely technical nomenclatorial character. In the present case Dr. Arkell argued that great confusion would arise if Miss Healey’s selection of Sowerby’s fig. 2 to be the lectotype were to be upheld ; it would involve the disappearance of the term “‘ Cordatus Zone which every- body knew and which was moreover adopted by, amongst many others, Roman (1938) in his monumental Ammonites jurassiques et crétacés, and the substitution for that term of the expression “Subcordatum Zone”, for the term “Cardia Zone” adopted by Buckman and Spath in place

(Previous reference: Paris Session,

4th Meeting, Conclusion 11 ;

6th Meeting, Conclusion 75)

Actinote” Hubner, [1819] (Class Insecta, Order Lepidoptera):

13th Meeting, Paris, July, 1948. . 393

of “Cordatus Zone” was in any event incorrect. Con- tinuing, the Acting President said that he had received two further communications in regard to this case, the first from Dr. L. F. Spath (British Museum (Natural History), London) objecting to the grant of the present application, the second, from Dr. J. Brookes Knight, Chairman of the Joint Committee on Zoological Nomen- clature for Paleontology in America, reporting that by a vote of six (Romer, Newell, Cooper, Moore, Keen, and Knight) to five (Simpson, Wells, Palmer, Frizzell, and

- Reeside), with one abstention (Stenzel) the Committee

had voted in favour of the adoption of Dr. Arkell’s pro- posal. In forwarding this communication, Dr. Knight had stated that, in view of the closeness of the voting, the Joint Committee did not feel justified in taking a stand, but it passed on to the Commission the resolution and the record of the vote for what it was worth as a contribution to the Commission’s study of the case. The Acting President added that, prior to the present Session, it would have been difficult to deal with Dr. Arkell’s application, for up till then the Article (Article 31) which dealt with the deter- mination of the type specimen of a composite nominal species was obscure and inadequate. Moreover, up till then, the expression “lectotype” itself did not figure in the Regles. Both these defects had however been remedied by decisions taken during the present Session.

THE COMMISSION agreed :—

(1) to use their plenary powers :—

(a) to set aside all selections of a lectotype for Ammonites cordatus Sowerby 1813 (Class Cephalopoda, Order Ammonoidea) made prior to the present decision ;

(b) to designate figure 4 on plate 17 of volume 1 of Sowerby’s Mineral Conchology of Great Britain, published in 1813, to be the lectotype of Ammonites cordatus Sowerby, 1813 ;

(2) to place the trivial name cordatus Sowerby, 1813 (as published in the binominal combination Ammonites cordatus), determined as_ specified in (1) (b) above, on the Official List of Specific Trivial Names in Zoology ;

(3) to render an Opinion recording the decisions specified in (1) and (2) above.

33. THE COMMISSION had under consideration an application (file Z.N.(S.)63) submitted jointly by Com-

designation of type Missioner Francis Hemming (United Kingdom) and Mr,

394 International Commission on Zoological Nomenclature.

species of, under the N. D. Riley (British Museum (National History) London),

plenary powers.

(Previous reference:

Lisbon Session, 2nd Meeting, Conclusion 23)

(Previous reference:

Paris Session, 6th Meeting, Conclusion 38)

asking for the use by the Commission of their plenary powers for the purpose of designating Papilio thalia Linnaeus, 1758, to be the type species of the genus Actinote Hiibner, (1819) (Class Insecta, Order Lepidoptera) (Hemming and Riley, 1946, Bull. Zool. Nomencl. 1: 186-187).

THE ACTING PRESIDENT (MR. FRANCIS HEMMING), said that the present application, which had been submitted by Mr. Riley and himself as specialists in the Order Lepidoptera, was concerned to prevent the confusion which would arise it if were necessary to accept as the type species of the genus Actinote Hiibner not the species intended by the original author of the genus (a species of the subfamily ACRAEINAE of the family NyMPHA- LIDAE) but the species (of the subfamily NYMPHALINAE) to which the name of the type species properly applied. The present was therefore a case of a genus having as its type species an erroneously determined species, and, as such, was submitted to the Commission in accordance with the invita- tion given by the Commission when taking the decision later embodied in their Opinion 168, a decision which at the meeting noted in the margin held during the present Session was now to be incorporated in the Regles. No objection had been received from any source in regard to the action proposed in this case.

ALTERNATE COMMISSIONER N. D. RILEY (UNITED KINGDOM) said that this case was of special importance, for the strict application of the Reégles thereto would not only cause great confusion in the systematics of the family concerned, but would also have the effect of sinking as a synonym the generic name Pseudacraea Westwood [1850], a name widely known to, and used by, workers in the field of mimicry. He commended this proposal to the favourable consideration of the Commission.

THE COMMISSION agreed :— (1) to use their plenary powers :—

(a) to set aside all selections of the type species of the genus Actinote Hiibner [1819] (Class Insecta, Order Lepidoptera) made prior to the present decision;

(b) to designate Papilio thalia Linnaeus, 1758, to be the type species of the foregoing genus ;

(2) to place the generic name Actinote Hiibner, [1819], with the type species designated in (1) (b) above, on the Official List of Generic Names in Zoology ”’ ;

“* Hemerobius Linnaeus, 1758, and hrysopa Leach 1815 (Class Insecta, Order Neuroptera designation of type species of, under the plenary powers

.

13th Meeting, Paris, July, 1948. 395

(3) to place the trivial name thalia Linnaeus, 1758 (as published in the binominal combination Papilio thalia) on the Official List of Specific Trivial Names in Zoology ;

(4) to render an Opinion recording the decisions specified in (1) to (3) above.

34. THE COMMISSION had under consideration an application (file Z.N.(S.)42) submitted jointly by Mr. John Cowley (Bridgwater, Somerset, England), Dr. F. J. Killing-

): ton (Parkstone, Dorset, England), Mr. D. E. Kimmins

(British Museum (Natural History), London) and Miss C. HK. Longfield (British Museum (Natural History), London), asking that the Commission should use their plenary powers to designate Hemerobius humulinus Lin- naeus, 1758, to be the type species of the genus Hemerobius Linnaeus, 1758, and Hemerobius perla Linnaeus, 1758, to be the type species of the genus Chrysopa Leach, 1815 (Class Insecta, Order Neuroptera) (Cowley, Killington, Kimmins & Longfield, 1946, Bull. zool. Nomencl. 1: 188-191). The specialists by whom this application was submitted were members of the Sub-Committee on Neurop- teroid Groups of the Committee on Generic Nomenclature of the Royal Entomological Society of London, and it was by the last-named body that the application had been laid before the Commission.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that in its present form the application now before the Commission had been submitted in June 1937. The same question had however been previously raised in 1927 by Dr. Roger C. Smith (Kansas State Agricultural College, Manhattan, Kansas, U.S.A.) and in 1931 by Dr. F. C. Hottes (Urbana, IIl., U.S.A.), but for reasons which it had been impossible to trace neither of those applications had been brought before the Commission for decision. The actual problem raised in this application was very simple: The species Hemerobius humulinus Linnaeus, 1758, was universally accepted as the type species of the genus Hemerobius Linnaeus, 1758, and had been so accepted ever since that name had been published, but under the Régles this species was in fact the type species of Chrysopa Leach, 1815, whereas the type species of Hemerobius Linnaeus was Hemerobius perla Linnaeus. The strict application of the Régles in this case would thus involve the exchange of type species of these two genera and would lead to the greatest confusion not only because of the importance of the genera themselves, but also because each of these genera was the type genus of a family in the

396

International Commission on Zoological Nomenclature.

Order Neuroptera. This was therefore a case pre-eminently suitable for the use by the Commission of their plenary powers, for the Congress, when granting those powers in 1913, had expressly referred to the need for preventing by this means the confusion which would arise from the transfer of names from one taxonomic unit to another. The only comments which had been received in regard to this case were :—(1) from Commissioner Th. Mortensen (Denmark) and (2) from Dr. C. F. W. Muesebeck (United States Department of Agriculture, Washington, D.C.), both of whom supported the application. Dr. Muesebeck had written: “I think this is an excellent illustration of how the principle of establishing an official list may be used. Certainly it would avoid confusion in this case and action by the Commission in this respect woyld be highly desirable.” He (the Acting President) fully shared Dr. Muesebeck’s view and he accordingly strongly recommended that the application submitted should be approved.

IN THE FOLLOWING DISCUSSION the view was expressed that it would be a disaster if the Law of Priority were to be allowed to create the confusion which would be inevitable unless the Commission used their plenary powers in the manner proposed.

THE COMMISSION agreed :—

(1) to use their plenary powers :— (a) to set aside all selections of the type species ~ of the under-mentioned genera made prior to the present decision :— (i) Hemerobius Linnaeus, 1758 ; (u) Chrysopa Leach, 1815 ;

(b) to designate Hemerobius humulinus Lin- naeus, 1758, to be the type species of the genus Hemerobius Linnaeus, 1758 ;

(c) to designate Hemerobius perla Linnaeus, 1758, to be the type species of the genus Chrysopa Leach, 1815 ;

(2) to place the under-mentioned names on the Official List of Generic Names in Zoology :—

(a) Hemerobius Linnaeus, 1758 (with the type species designated in (1)(b) above) ;

(b) Chrysopa Leach, 1815 (with the type species designated in (1)(c) above) ;

(3) to-place the under-mentioned trivial names on the Official List of Specific Trivial Names in Zoology :—

Articles 34 and 35: position of a nomen dubium’ in relation to generic and specific homonymy defined.

13th Meeting, Paris, July, 1948. 397

(a) humulinus Linnaeus, 1758 (as published in the binominal combination Hemerobius humulinus) ;

(b) perla Linnaeus, 1758 (as published in the binominal combination Hemerobius perla) ;

(4) to render an Opinion recording the decisions specified in (1) to (3) above.

35. THE COMMISSION had under consideration an application (file Z.N.(S).131) submitted by the late Dr. Arthur P. Jacot, asking for a ruling on the question whether it was necessary to treat the name Acarus alatus Hermann, 1804 (Class Arachnida, Order Acarina) as an invalid homonym of Acarus alatus Schrank, 1803, having regard to the fact that the latter name was a nomen dubium, the species so named by Schrank being unrecognisable (Jacot, 1946, Bull. Zool. Nomenel., 1 : 191).

IN THE DISCUSSION which took place on this appli- cation it was observed that the point raised by Dr. Jacot was misconceived, for the Régles were concerned exclusively with objective nomenclatorial facts, not with taxonomic conceptions regarding the units to which names were given. The gravest confusion would immediately arise if the Regles were to provide that homonyms could be ignored when the older of any pair of homonyms was the name of a species which was unrecognisable. For such a provision would introduce a very dangerous subjective element into the problem of specific homonymy and inevitably lead to different names being used for the same species by different workers, in view of the fact that—as was well known to all systematists—a species that was unrecognisable to one worker was often recognised by another. The answer to the question raised by the late Dr. Jacot must therefore be that a specific name cannot be ignored for the purposes of Article 35 on the ground that it is a nomen dubium. In view of the fact that this question had been specifically raised, it would be useful if words were inserted in Article 35 to make the position clear. A corresponding provision should be inserted in Article 34, for a similar problem would arise when a generic name was indeterminate through its type species being unrecognisable.

THE COMMISSION :—

(1) agreed that a very dangerous subjective element would be introduced into the problem of specific homonymy if it were permissible to ignore for the purposes of Article 35 a specific name or a specific trivial name on the ground that that name was a

398 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session,

6th Meeting, Conclusion 1).

(2

(3

nomen dubium, the species to which it had been applied by its original author being unrecog- nisable ;

recalled that the scheme for the reform of the provisions in the Regles relating to specific homonymy agreed upon at the meeting noted in the margin made no exception in favour of nomina dubia ;

agreed that, in order to prevent any misunder- standing in this matter, it would be desirable that the position in regard to nomina dubia in relation to generic and specific homonymy should be dealt with in express terms in Articles 34 and 319) 2

(4) agreed to recommend :—

(a) that words should be inserted in the Article which it had been agreed should replace the existing Article 35 to make it clear (i) that a specific name, which was the older

. published of a pair of primary homonyms or, as the case might be, of secondary homo- nyms was not to be ignored for the purposes of this Article on the ground that, judged from the taxonomic standpoint, that name was a nomen dubium, the species to which it was applied by its original author being unrecognisable, and therefore (ii) that in such a case the later published of the pair of homonyms concerned is to be rejected in like manner as though the earlier published name was not a nomen dubium ;

(b) that the following example should be inserted in the Reégles to illustrate the proposition laid down in (a) above :—

In the case of the pair of homonyms constituted by the names Acarus alatus Schrank, 1803, and Acarus alatus Hermann, 18(4, the earlier published of these names is not to be ignored for the purposes of this Article on the ground that it is a nomen dubium and

accordingly the later published of these names is to be rejected as a homonym.

(c) that words should be inserted in Article 34 to make it clear (i) that a generic name which is the older published of a pair of homonyms is not to be ignored for the purposes of that Article on the ground that, judged from the taxonomic standpoint,

* Palaeaneilo Hall, 1869 (Class Pelecypoda, Order Protobranchia) : emendation to

Palaeoneilo under Article 19

VOL. 4 co

13th Meeting, Paris, July, 1948. 399

the genus so named is indeterminate, its type species being unrecognisable and having therefore a name which is a nomen dubium, and accordingly (ii) that in such a case the later published of the generic names in question is to be rejected as invalid, in like manner as though the type species of the genus bearing the earlier published identical generic name was not a nomen dubium.

36. THE COMMISSION had under consideration an application (file Z.N.(S.)62) submitted by Dr. L. R. Cox (British Museum (Natural History), London) asking the Commission to give a ruling that the spelling of the generic name Palaeaneilo Hall, (J.), 1869 (Class Pelecypoda, Order Protobranchia) should be amended to Palaeoneilo (Cox, 1946, Bull. zool. Nomencl. 1: 192). Dr. Cox explained in his application that this generic name was intended to suggest that the genus so named was ancestral to the living genus Neilo Adams, 1854. The first part of this compound noun should therefore have been spelt ‘“‘ Palaeo-”. In fact however it was consistently spelt ‘‘ Palaea-” in the paper in which the name was first published. The genus was of importance in the Palaeozoic Lamellibranchia and, in the submission of the applicant, it would be both objec- tionable on etymological grounds and calculated to cause confusion if the incorrect spelling used by Hall, when publishing this name, were allowed to stand. Dr. Cox accordingly asked that the required emendation should be authorised by the Commission under their plenary powers. Such action would give validity to the universal practice of specialists in the group concerned.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that two comments had been received in regard to this application : (1) from Commissioner Th. Mortensen (Denmark) supporting the action proposed ; (2) from Dr. J. Brookes Knight, Chairman of the Joint Committee on Zoological Nomenclature for Paleontology in America, stating that the Committee had adopted (by a majority of 9 to 2) a resolution opposing the use of the plenary: powers in the present. case, considering that this was a matter which should be determined by the ordinary provisions of the Régles. In his application Dr. Cox had taken the view that the result which he sought could not be attained through Article 19 and it was for this reason that he had asked the Commission to use their plenary powers. This was a matter however which must not be

-

400 International Commission on Zoological Nomenclature.

prejudged and which the Commission would need to con: sider before they examined the need for, or the desirability of, using the plenary powers in this case.

IN THE DISCUSSION which followed, the view was ex- pressed that, having regard to the fact that the compound word selected for this generic name was intended to denote that this genus was regarded by its author as being ancestral to the living genus Nelo Adams, it was quite évident that the first portion of the compound word was based upon the Greek adjective radas, in exactly the same way as in the 500 odd other generic names similarly formed. In these circumstances it was évident” also that the spelling Palaeaneilo”’ was incorrect and a faute d’orthographe”’. In these circumstances the spelling should be corrected by the emendation of the name to “* Palaeoneilo under the provisions of Article 19. There was therefore no need to consider the portion of the applica- tion which related to the possible use of the plenary powers in this case.

THE COMMISSION agreed :—

(1) that it was évident”’ that the spelling of the generic name Palaeaneilo Hall, 1869 (Class Pelecypoda, Order Protobranchia) was a faute d’orthographe and therefore that the spelling of this name should be corrected by emending the name to Palaeoneilo under the provisions of Article 19;

(2) to place the generic name Palaeoneilo Hall, 1869 (type species : Nuculites constricta Conrad (T.A.), 1842, by selection by Hall (1885) ) on the “‘ Official List of Generic Names in Zoology ;

(3) to place the trivial name constricta Conrad, 1842 (as published in the binominal combination Nuculites constricta) on the Official List of Specific Trivial Names in Zoology ;

(4

~~

to render an Opinion recording the decisions specified in (1) to (3) above.

Part 9 of Volume 1 37. THE COMMISSION had before them Part 9 of

Juslogical: Hetin ¢ Volume 1 of the Bulletin of Zoological Nomenclature con-

clature”: applica- taining 27 papers relating to 24 individual problems of

tions published in, »omenclature to be considered in -

turn. THE COMMISSION :— (Previous reference: (1) took note that two of the papers published in oth Meavag? Part 9 of Volume 1 of the Bulletin of Zoological

Conclusion 11) Nomenclature had already been considered at the

a,

Article 5 (position when the

type genus ofa ....

family is united with another genus and the combined genus is treated as belonging to the same family as a third genus, having an older name than either of the other genera) problem to be dealt with in Report to be pre- pared by Secretary.

(Previous reference: Paris Session,

9th Meeting, Conclusion 7)

(Previous reference: Paris Session,

6th Meeting, Conclusion 11)

VOL. 4 cc?

13th Meeting, Paris, July, 1948. 401 meeting noted in the margin in connection with the problem presented by the names Bilharzia Meckel von Hemsbach, 1856, and Schistosoma Weinland, 1858 ;

(2) agreed to examine, in turn, each of the remaining 23 applications, 25 papers relating to which had been published in the foregoing Part of the Bulletin.

38. THE COMMISSION had under consideration an application (file Z.N.(S.)29) submitted by Dr. H. W. Manter (Department of Zoology and Anatomy, University of Nebraska, Lincoln, U.S.A.) asking for a ruling on the question of the name to be employed for the family con- taining the genus Dissotrema Goto & Matsudaira, 1918 (Class Trematoda, Order Digenea) (Manter, 1947, Bull. zool. Nomencel. 1 : 197-198). The problem for consideration arose through the action, first, of Goto ( 1919) in sinking the genus Dissotrema Goto & Matsudaira as a synonym of Gyliauchen Nicoll, 1915, second, of Fukui (1928) in treating Gyliauchen Nicoll, 1915 (with which also he synonymised Dissotrema Goto & Matsudaira, 1918) as belonging to the’ same family as the genus Opistholebes Nicoll, 1915, the generic name of which had page priority over the name Gyliauchen Nicoll. The questions at issue were: Should Goto (1919) have changed the family name from pDIsso- TREMATIDAE to GYLIAUCHENIDAE, and was Fukui correct in changing the family name to OPISTHOLEBETIDAR 2

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) reminded the Commission that the general principle involved in the present application had been raised by himself in Point (36) in Commission Paper I.C.(48)15. When considering this matter, the Commission had recognised that this was an important matter on which it was very desirable that adequate provision should be made in the Mégles. They had taken the view, however, that, as it raised one of the most difficult questions involved in the nomenclature of families, it would prejudice the inquiry which, at the meeting noted in the margin, the Commission had invited the Secretary to undertake into the whole problem of the nomenclature of this category of name, if a decision were now to be taken on this particular aspect of the subject. The Commission had accordingly agreed to make no recommendation to the present Congress for the clarification of the Régles in this regard but to invite the Secretary to pay special attention to this problem in the Report on the general problem of the nomenclature of families which they had invited him to prepare. He (the

402 International Commission on Zoological Nomenclature. 7

Pallas (P.S.),

** Zoographia rosso~ asiatica”’ : dates of publication of the several volumes of, determined.

(Previous reference: Paris Session,

7th Meeting, Conclusion 18)

Acting President) considered therefore that no decision could properly be taken on the individual case submitted by Dr. Manter. He suggested however that the documents relating to that case should be added to the dossier of papers to be studied by the Secretary at the outset of the investigation which he had been invited to undertake.

THE COMMISSION agreed :—

(1) to defer taking a decision on the question of 7 name of the family of the genus Dtssotrema Goto & Matsudaira, 1918 (Clises Trematoda, Order Digenea) submitted by Dr. H. W. Manter, until after the receipt of the comprehensive Report on the nomenclature of families which the Secretary to the Commission had been invited to prepare for the consideration of the Commission at their Session to be held during the next (XIVth) meeting of the International Congress of Zoology ;

(2) that the papers relating to the case submitted by Dr. Manter should be added to the dossier to be studied by the Secretary to the Commission at the outset of the investigation referred to in (1) above ;

(3) to invite the Secretary to the Commission to write to Dr. Manter informing him of the fore- going decision and explaining the grounds on which it had been taken.

39. THE COMMISSION had under consideration an application (file Z.N.(S.)25) submitted by the late Mr. V. L. Sclater, as Chairman of the Zoological Record Committee of the Zoological Society of London, asking for a ruling on the dates to be accepted as the dates of publication of the several volumes of Pallas (P.S.), Zoo-

graphia rosso-asiatica (Sclater, 1947, Bull. zool. Nomenel.

1 : 198-199), together with a paper by the late Dr. C. D. Sherborn, setting out the data available in regard to the above subject (Sherborn, 1947, ibid. 1 : 199-200).

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that, prior to the opening of the present Congress, the Commission would have had no guiding principle by which to consider the present application. In view however of the provisions which, at the meeting noted in the margin, it had been agreed should be mserted in the Regles for the purpose of determining the dates of publication of works containing zoological names, the problem before the Commission no longer presented any difficulty. Copies bearing the date “1811” were known

(For the decision under which the date assigned to Vol. 3 (but not those assigned to Vols. 1 and 2) is here placed in square brackets, see Paris Session, 7th Meeting. Conclusion 19)

Clavellarius Olivier, 1789 (Class Insecta, Order Hymenoptera) : suppression of, under the plenary powers (decision supplementary to Opinion 144)

(Previous reference: Lisbon Session,

3rd Meeting, Conclusion 2)

13th Meeting, Paris, July, 1948. 403 both of volume 1 and of volume 2 of Pallas’s Zoographia. There was no evidence to rebut the initial assumption (now to be adopted in such cases) that the date printed on the title page was correct; in these circumstances the late Dr. Sherborn had been right in adopting the date 1811 for the first two volumes of the Zoographia. The third volume was undated in the first issue and it was therefore necessary to determine by reference to contemporary literature the date by which at latest that volume must have been published. Dr. Sherborn had shown that this date was 1814.”

THE COMMISSION agreed :—

(1) that under the provisions added to the Régles during the present Congress the dates to be assigned to the several volumes of Pallas (P.S.), Zoographia rosso-asiatica, were :—

Volume 1 1811 Volume 2 1811 Volume 3 [1814];

(2) that, in view of (1) above, new names published in the foregoing work rank for purposes of priority as from the datés severally specified above ;

(3) to render an Opinion recording the decisions specified in (1) and (2) above.

40. THE COMMISSION had under consideration a joint communication (file Z.N.(S.) 120) received from Dr, H. H. Ross and Dr. B. D. Burke (then of the Illinois State Natural History Survey, Urbana, Ill, U.S.A.) drawing attention to the fact that, although at Lisbon the Com- mission had used their plenary powers to suppress the name Crabro Geoffroy, 1762, for the purpose of validating the name Cimbex Olivier, 1790 (Class Insecta, Order Hymen- optera), there nevertheless still remained a generic name, Clavellarius Olivier, 1789, which had the same type species as, and had priority over, the name Cimbex Olivier, 1790, the latter being indeed no more than a nom. nov. pro Clavellarius Olivier, 1789, which in 1790 Olivier had con- sidered should be discarded on the ground that it was too close to the generic name Clavaria, already used in botany (Ross and Burke, 1947, Bull, zool. Nomencl. 1: 201-202). At the same time, the Commission had under consideration a note on this case by the Secretary to the Commission (Hemming, 1947, Bull. zool. Nomencl. 1 : 202-203).

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that the communication received from Dr. Ross

404 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session,

12th Meeting, Conclusion 23)

Bombus

Latreille, 1802 (Class Insecta, Order Hymen- optera): validation of, under the plenary powers, in so far as necessary.

and Dr. Burke disclosed a defect in the action taken by the Commission when validating the generic name Cimbex Olivier, 1790. As that action had been taken under the plenary powers, its validity was not in any circumstances open to question. Nevertheless, it was anomalous and unsatisfactory in such a case to leave unsuppressed a name (such as Clavellarius Olivier) which, as the result of action taken under the plenary powers in regard to another name (in the present case, the name Ormbex Olivier) could never be used, even though it was the oldest name for the taxo- nomic unit in question. He had accordingly proposed (in the paper cited above) that the Commission should regu- larise the position by using their plenary powers to suppress both the generic name Clavellarius Olivier, 1789, and its emendation Clavellaria Lamarck, 1801. No objection to the action proposed had been received from any source. Since the object of this proposal was to complete the action necessary to confer availability upon another generic name (Cimbex Olivier) and to secure that neither of the names to be suppressed should be available for use in any other sense as from some later date, the suppression should, as agreed upon at the meeting noted in the margin, be limited to suppression ,for the purposes of Article 25 (Law of Priority) and should not affect the status of the names concerned in relation to Article 34 (Law of Homonymy).

THE COMMISSION agreed :—

(1) to use their plenary powers to suppress for the purposes of Article 25 the under-mentioned generic names :—

Clavellarius Olivier, 1789 Clavellaria Lamarck, 1801 ;

(2) to place the generic names specified in (1) above on the Official Index of Rejected and Invalid Generic Names in Zoology ;

(3) to render an Opinion, supplementary to Opinion 144, recording the decisions specified in (1) and (2) above.

41. THE COMMISSION had before them an applica- tion (file Z.N.(S.) 133) submitted by Mr. R. B. Benson (British Museum (Natural History), London), M. Ch. Ferriére (then of the Commonwealth (at that time Imperial) Institute of Entomology, London) and Dr. O. W. Richards

(Imperial College of Science and Technology, London) that _

the plenary powers should be used to conserve the well- known generic name Bombus Latreille, 1802 (Class Insecta, Order Hymenoptera) (Benson, Ferriére & Richards,

é

(Previous reference Lisbon Session, 2nd Meeting, Conclusion 13)

13th Meeting, Paris, July, 1948. 405

1947, Bull. zool. Nomencl. 1: 204). In submitting this proposal the foregoing specialists were acting as members of the Hymenoptera Sub-Committee of the Committee on Generic Nomenclature of the Royal Entomological Society of London and it was at the request of those bodies that the application had been laid before the Commission.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that at the time when the present application was submitted to the Commission the name Bombus Latreille was in universal use among hymenopterists, other than those who had recognised the names published in the Erlangen List” of 1801. In 1935, however, the Com- mission had used their plenary powers to suppress that List (Opinion 135) and in consequence the name Bremus Jurine, 1801, of that List (which, as explained, had been used by some hymenopterists in preference to Bombus Latreille) had ceased to have any nomenclatorial standing. Unfortunately, however, that decision had not completely cleared the way for the universal acceptance of the name Bombus Latreille, 1802, for there remained the name Bremus as published by Panzer-Jurine in Part 85 (pls. 19-21) of the Faun. Ins. germ., which was attributed by some authors to 1801, and thus, if this date was correct, had priority over Bombus Latreille. Since the present application was submitted, Miss G. A. Sandhouse (United States National Museum, Washington, D.C.) had published (1943) a review of the type species of the genera of bees, in

- which she had expressed the view that the date of publica-

tion of the name Bremus in the Faun. Ins. germ. was uncertain and had stated that, according to Sherborn, the correct date was “1804.” She had accordingly taken the view that the name Bombus Latreille had priority over the name Bremus Panzer-Jurine. She had agreed generally with the proposal that the name Bremus should be sup- pressed, if necessary.

Continuing, the Acting President said the only ento- mologist who had notified the Commission of any criticism to the action proposed in this case was Dr. Richard Black- welder (United States National Museum, Washington, D.C.) who had stated that he had strong personal objection to that proposal, on the ground that, in his view, the data furnished in support of the action proposed were not suffi- cient to justify the use of the plenary powers. Finally, he

‘had to report that he had been informed by Commissioner

Mortensen (Denmark) that, if he had been able to attemd the present meeting, he would have voted in favour of the present proposal. The Acting President added that, speaking personally as a member of the Commission, he felt

406 International Commission on Zoological Nomenclature.

(Previous reference Paris Session, 12th Meeting, Conclusion 13)

bound to express the view that an extremely well-known name such as Bombus Latreille should not be discarded lightly for purely nomenclatorial reasons, in view of the extensive literature associated with that name. This name fell within the class of names covered by the resolution adopted at the meeting of the Commission held jointly with the Section on Nomenclature (as noted in the margin) in which the Commission were enjoined to give specially sympathetic consideration to applications submitted for the use of the plenary powers for the purpose of preventing the upsetting of well-known names. It would, in his opinion, be particularly wrong for the Commission to countenance the upsetting of such a name where, as in the present instance, there was substantial doubt as to the validity of the claims advanced in favour of the priority of the allegedly older name. He therefore recommended that the Commission should accept the view that the name Bombus Latreille should be preserved. In existing cir- cumstances, this object could, it appeared, be achieved by the Commission placing the name Bombus Latreille on the Official List without recourse to the use of their plenary powers. In order however, to ward against the risk that it might later be established that Bremus Jurine (as pub- lished in Part 85 of the Fawn. Ins. germ.) had been pub- lished before the name Bombus Latreille and therefore that the entry of that name on the Official List was invalid, it would be prudent if the Commission were to follow a precedent which they had adopted in similar cases in the past and were accordingly now to use their plenary powers to such extent, if any, as might be necessary to validate the name Bombus Latreille, 1802, as against the name Bremus Panzer-Jurine, a name at the present time of indeterminate date.

General agreement was expressed with the view submitted by the Acting President and with the course of action which he had recommended.

THE COMMISSION agreed :—

(1) to use their plenary powers to such extent, if any. as might be necessary to validate the name Bombus Latreille, 1802 (Class Insecta, Order Hymenoptera) as against the name Bremus Panzer-Jurine (as published in Part 85 of the Faun. Ins. germ.), a name of at present indeter- minate date, in the event of it later being estab- lished that that name had priority over Bombus Latreille, 1802 ;

a i

13th Meeting, Paris, July, 1948, 407

(2) to place the name Bombus Latreille, 1802 (type species, by monotypy : Apis terrestris Linnaeus, 1758), validated, to such extent, if any, as might be necessary, under the decision taken in ( 1) above, on the Official List of Generic Names in Zoology” and the name Bremus Panzer-Jurine [1801-1804], on the corresponding Official Index ”’ :

to place the trivial name terrestris Linnaeus, 1758 (as published in the binominal combination Apis terrestris) on the Official List of Specific Trivial Names in Zoology ”’ ;

(4) to render an Opinion recording the decisions

specified in (1) to (3) above.

(3

~~

“* Ceratina 42. THE COMMISSION had under consideration the Toes see under-mentioned applications (file Z.N (S.)133) submitted Diodoutus by Mr. R. B. Benson (British Museum (Natural History),

Curtis, 1834 (Class London), M. Ch. Ferriare (then of the Commonwealth (at eee Order that time Imperial) Institute of Entomology, London) (applications for use and Dr. QO. W. Richards (Imperial College of Science and

of plenary powers Technology, London) for the use by the Commission of for) : consideration /

postponed for their plenary powers :— additional informa- (a) an application for the validation of the generic tion to be obtained name Ceratina Latreille, [1802-1803] (Class Insecta, Order Hymenoptera) by the suppression of the earlier name Clavicera Latreille [1802] (Benson, Ferriére & Richards, 1947, Bull. zool. Nomencl. 1: 205) ; (b) an application that the Commission should designate Pemphredon tristis Van der Linden, 1829, as the type species of the genus Iodontus Curtis, 1834 (Class Insecta, Order Hymenoptera), a well-known senus round which a considerable volume of bio- nomic and zoogeographical literature had grown up (Benson, Ferriére & Richards, 1947, Bull. zool, Nomenel. 1 : 206).

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that, as in the application relating to the name Bombus Latreille which had just been considered by the Commission, the Specialists by whom the present applications had been prepared had submitted those applications to the Committee on Generic Nomenclature of the Royal Entomological Society of London in their capacity as members of the Hymenoptera Sub-Committee of that Committee. These applications had been sub- mitted to the Commission by the Royal Entomoiogical Society on the advice of the above Committee. Only one

408 International Commission on Zoological Nomenclature.

objection to the action proposed had been received. This was contained in a letter from Dr. Richard Blackwelder (United States National Museum, Washington,-D.C.) who had entered a strong personal objection on the ground that the evidence submitted was not sufficient to justify the use of the plenary powers in these cases. The Commission, in considering these applications, would no doubt give full weight to this aspect of the question.

In the subsequent discussion the view was expressed that there might well be strong grounds for the use of the

. plenary powers in these cases but that, as submitted, these

Formica” Linnaeus, 1758, and Camponotus Mayr, 1861 (Class Insecta, Order Hymenoptera) : addition of, to the Official List of Generic Names in Zoology

applications did not clearly show that greater confusion than uniformity would ensue, if the plenary powers were not used. In the circumstances the best course would be to refer these applications back to the applicants with a request for further information on the foregoing question.

THE COMMISSION agreed :—

(1) that the information in their possession on the question whether the strict application of the Régles in the case of the names Ceratina Latreille [1802-1803], and Diodontus Curtis, 1834 (Class Insecta, Order Hymenoptera) would lead to sreater confusion than uniformity was not sufficient to show whether in these cases the plen- ary powers should be used in the manner proposed;

(2) to notify the foregoing conclusion to the Royal Entomological Society of London and at the same time to ask for supplementary statements setting ont the nature and extent of the confusion apprehended by the Society if the Régles were strictly applied in the cases specified in (1) above ;

(3

to defer taking a decision on either of the appli- cations referred to above, until the supplementary statement in regard thereto, asked for in (2) above, was available.

43. THE COMMISSION had under consideration :—

(a) an application (file Z.N.(S.)133) submitted by Mr. R. B. Benson (British Museum (Natural History), London), M. Ch. Férriére (then of the Common- wealth (at that time Imperial) Institute of Entom- ology, London) and Dr. O. W. Richards (Imperial College of Science and Technology, London) that the Commission should use their plenary powers to preserve the existing usage of the generic names Formica Linnaeus, 1758, and Camponotus Mayr. 1861 (Class Insecta, Order Hymenoptera) by

13th Meeting, Paris, July, 1948. 409

~~

THE HEMMING) said that, for the reasons explained in the note which he had published in the previous year, all difficulty in this case had disappeared and the ground was clear there- fore for the names Formica Linnaeus, 1758, and Camponotus

Mayr,

cancelling the selection by Latreille (1810) of Formica herculeana Linnaeus, 1758, as the type species of the genus Formica Linnaeus, 1758 (Benson, Ferriére & Richards, 1947, Bull. zool. Nomencl. 1 : 207) ;

a note by the Secretary to the Commission point- ing out that under the decision taken by the Commission at Lisbon to amplify the interpreta- tion of Article 30 in relation to Latreille, 1810, Consid. gén. Crust. Arach. Ins., given in Opinion 11, a decision which was later (1939) embodied in Opinion 136, the difficulty which the present application was designed to overcome had dis- appeared, for, under the amplified interpretation given in Opinion 136, the action taken by Latreille . in 1810 did not constitute a selection of Formica herculeana Linnaeus, 1758, as the type species of the genus Formica Linnaeus, 1758 (Hemming, 1947, Bull. zool. Nomencl.1 : 207 nota 11).

ACTING PRESIDENT (MR. FRANCIS

1861, to be added to the Official List of Generic

Names in Zoology without resort by the Commission to their plenary powers.

THE COMMISSION agreed :—

(1) that no type selection within the meaning of Rule

(2

g) in Article 30 was made for the genus Formica

Linnaeus, 1758, by Latreille in 1810 (Consid. gén. Crust. Arach. Ins.), that under the Régles the type species of this genus was Formica rufa Linnaeus, 1758, that species having been the first of the originally included species to have been duly so selected under Rule (g) in Article 30 (by Curtis, 1839), and therefore that no question arose of the Commission having to use their plenary powers to designate that species as the type species of the foregoing genus ;

to place the under-mentioned generic names with the type species severally specified below on the Official List of Generic Names in Zoology :—

Formica Linnaeus, 1758 (type species, by

selection by Curtis, 1839: Formica rufa Lin- naeus, 1758) :

410

- Gorytes

Latreille [Sept., 1804], Sonn: oe

** Macrop

Panzer, [1806-1809] (Class Insecta, Order Hymenoptera) (applications for use of plenary powers for) : consideration postponed for

additional informa-

tion to be obtained

Harpactus

International Commission on Zoological Nomenclature.

Camponotus Mayr, 1861 (type species, by selection by Bingham, 1903 : Formica ligniperda Latreille, 1802) ;

(3) to place the under-mentioned trivial names on the Official List of Specific Trivial Names in ‘Zoology

rufa rihotiaes 1758 (as published in the binominal combination Formica rufa)

ligniperda Latreille, 1802 (as published in the binominal combination Formica ligniperda) ;

(4) to render an Opinion recording the decisions specified in (1) to (3) above.

44. THE COMMISSION had under consideration the under-mentioned applications (file Z.N.(8.)133) relating to generic names in the Order Hymenoptera (Class Insecta) submitted by Mr. R. B. Benson (British Museum (Natural History), London), M.Ch. Ferriére (then of the Common- wealth (at that time Imperial) Institute of Entomology, London) and Dr. O. W. Richards imperial College of Science and Technology, London) :—

(a) an application for the validation of the generic name Gorytes Latreille, [Sept.,- 1804] (tn Sonnini’s Buffon, Hist.nat.gén.partic.Crust.Ins. 13 : 308) type species, by sélection by Latreille, 1810: Sphex mystacea Linnaeus, 1761) by the suppression under the plenary powers of the generic name Gorytes Latreille [March, 1804] (Nouv. Dict. Hist. nat. 24 : 180) (type species, by monotypy: Mellinus quinquecinctus Fabricius, 1793), with the consequent automatic validation of the generic name Hoplisus Lepeletier, 1832 (type species, by selection by Westwood, 1839 : Mellinus quinquecinctus Fabricius, 1793) (Benson, Ferriére, & Richards, 1947, Bull. zool. Nomenel. 1 : 208) ;

(b) an application (i) for the suppression under the plenary powers of the name Harpactus (emend. of Arpactus) Panzer, 1806, and of all subsequent uses of either name prior to Shuckard, 1837, and (ii) for the validation of the generic name Harpactus as from Shuckard, 1837, with Arpactus formosus Jurine, 1807 (=Mutilla laevis Latreille, 1792) as type species (Benson, Ferriére & Richards, 1947, Bull. zool. Nomencl. 1 : 209) ;

(c) an application for the validation of the generic name Macropis Panzer [1806-1809] (type species, by

(Previous reference:

Paris Session, 13th Meeting, Conclusion 42)

Megachile Latreille, 1802 (Class Insecta, Order Hymenoptera) : type species of, determined

13th Meeting, Paris, July, 1948.

411

monotypy : Macropis labiata Fabricius [1804-1805] ) by suppressing, under the plenary powers, the selection of the above species by Westwood (1840) as the type species of the genus Megilla Fabricius

[1804-1805] (Benson, Ferriére & Richards, Bull. zool. Nomencl. 1:

1947, 210).

The view was expressed that the foregoing applications were incomplete in the same respects as : those relating to the names Ceratina Latreille [1802-1803], and Diodontus

Curtis, 1834.

It was felt therefore that the two sets of

applications should be treated in a similar manner and that consideration of the present applications should be post- poned for the purpose of enabling additional information to be obtained.

THE COMMISSION agreed :—

(1) that the information in their possession on the

45.

~—

question whether the strict application of the Regles in the case of the names Gorytes Latreille [Sept. 1804], Harpactus (emend. of Arpactus) Panzer, 1806, and Macropis Panzer [1806-1809] (Class Insecta, Order Hymenoptera) would lead to greater confusion than uniformity was not suffi- cient to show whether in these cases the plenary powers should be used in the manner proposed ;

to notify the foregoing conclusion to the Royal Entomological Society of London (through which the foregoing applications had been submitted to the Commission) and at the same time to ask for supplementary statements setting out the nature and extent of the confusion apprehended by the Society if the Regles were strictly applied in the cases specified in (1) above, and, in the case of the name Arpactus Panzer, 1806, the grounds on which Shuckard’s emendation to Harpactus was thought to be justified under Article 19 of the Regles ;

to defer taking a decision on any of the applica- tions referred ‘to above, until the supplementary statements in regard thereto, asked for in (2) above, were severally available.

THE COMMISSION had under consideration :— (a) an application (file Z.N.(S.)133) submitted by Mr.

R. B. Benson (British Museum (Natural History), London), M.Ch. Ferriére (then of the Common- wealth (at that time Imperial) Institute of Ento- mology, London), and Dr. O. W. Richards (Im-

412 International Commission on Zoological Nomenclature.

(Previous reference:

Lisbon Session, 3rd Meeting, Conclusion 1)

(Previous reference:

Paris Session, 13th Meeting, Conclusion 43)

perial College of Science and Technology, London) that the Commission should use their plenary powers to suppress the selection by Latreille (1810) of Apis muraria Retzius, 1783, as the type species of the genus Megachile Latreille, 1802 (Class Insecta, Order Hymenoptera) and to designate in the place of that species Apis centuncularis Linnaeus, 1758, to be the type species of this genus (i.e., the species so selected by Curtis in 1828) (Benson, Ferriére & Richards, 1947, Bull. zool. Nomenel. 1 : 211) ;

a note by the Secretary to the Commission point- ing out that, under the decision taken by the Commission at Lisbon. to amplify the interpreta- tion of Article 30 in relation to Latreille, 1810, Consid. gén. Crust. Arach. Ins., given in Opinion 11, a decision which was later (1939) embodied in Opinion 136, the difficulty which the present appli- cation was designed to overcome had disappeared, for, under the amplified interpretation given in Opinion 136, the action taken by Latreille in 1810 did not constitute a selection of Apis centuncularis Linnaeus, 1758, as the type species of the genus Megachile Latreille, 1802 (Hemming, 1947, Bull. zool. Nomencl. 1: 211, nota 20).

=.

THE ACTING PRESIDENT (MR. FRANCIS HEM- .

MING) said that the present case was similar to that of Formica Linnaeus, 1758, which the Commission had con- sidered a few minutes earlier, for in each case the difficulty which had confronted the applicants was due to the in- complete and partially misleading interpretation of Article 30 given in the Commission’s Opinion 11. In each case the difficulties in question had disappeared as soon as the amplification of Opinion 11 agreed upon at Lisbon became available through the publication of Opinion 136. Now that it was realised that Latreille (1810) did not select a type species for the genus Megachile Latreille, 1802, it was found that the next type selection, that by Curtis (1828), was perfectly satisfactory, for that author had selected as the type species of this genus the species, Apis centuncularis Linnaeus, 1758, which-the applicants had asked the Com- mission to use their plenary powers so to designate. The ground was thus cleared for the name Megachile Latreille, 1802, to be placed on the Official List of Generic Names in Zoology without resort by the Commission to their plenary powers.

ot ee

13th Meeting, Paris, July, 1948. 413

THE COMMISSION agreed :—

(1) that no type selection within the meaning of Rule (g) in Article 30 having been made for the genus Megachile Latreille, 1802, by Latreille in 1810 (Consid. gén. Crust. Arach. Ins.) under the Reégles, the type species of this genus was A pis cen- tuncularis Linnaeus, 1758, that species being the first of the originally included species to have been duly so selected under Rule (g) in Article 30 (by Curtis, 1828), and therefore that no question arose of the Commission. having to use their plenary powers to designate that species as the type species of the foregoing genus ;

(2) to place the generic name Megachile Latreille, é 1802 (type species, by selection by Curtis, 1828 : Apis centuncularis Linnaeus, 1758) on the Official

List of Generic Names in Zoology ;

(3) to place the specific trivial name centuncularis Linnaeus, 1758 (as published in the binominal combination Apis centuncularis) on the Officia List of Specific Trivial Names in Zoology ”’ ;

(4) to render an Opinion recording the decisioys specified in (1) to (3) above.

+ hay pig A 46. THE COMMISSION had under consideration the Hymenoptera under-mentioned applications (file Z.N (8.)133) relating ar Insecta) to the proposed use of the plenary powers in the manner ae nestor indicated below submitted by Mr. R. B. Benson (British powers for) : Museum (Natural History), London), M. Ch. Ferriére consideration (then of the Commonwealth (at that time Imperial) Insti-

Sect tute of Entomology, London) and Dr. O. W. Richards

tion to be obtained (Imperial College of Science and Technology, London) :—

Methocha (a) an application (i) for the recognition of the Latreille [March, emendation to Methoca of the spelling of the 1804) generic name published by Latreille in 1804 as Methocha and (ii) for the validation of the specific name Methoca ichneumonides Latreille, [Sept. 1804] as the name of the type species of the genus Methoca Latreille [March 1804], by the suppression, under the plenary powers, of the specific name Mutilla articulata Latreille, 1792, previously bestowed upon that species. (Benson, Ferriére & Richards, 1947, Bull. zool. Nomenel. 1 : 212) ; Notozus (b) an application for the validation of the generic name Forster, 1853 Notozus Férster, 1853 (type species, by selection by Ashmead, 1902 : Hedychrum spina Lepeletier, 1806) by the suppression, under the plenary powers, of

414 International Commission on Zoological Nomenclature.

““Nysso Latreille, 1796

se Odyn Latreille, Ti802-1803|

“Ponera Latreille, 1804 -

Rhopalum Stephens, 1829

** Solenius Lepeletier and Brulle, 1835

(c)

=

(g)

the generic name Llampus Spinola, 1806, the type species of which, Chrysis panzeri Fabricius, [1804-1805] (by selection by Latreille, 1810) is regarded by specialists as subjectively identical with the type species of the genus Notozus Forster (Benson, Ferriére & Richards, 1947, Bull. zool. Nomencel. 1 : 213) ;

an application for the use of the plenary powers to emend to Nysson the spelling of the generic name originally published as Nysso Latreille, 1796 (Benson, Ferriére & Richards, 1947, Bull. zool. Nomenel. 1:=,214)<

an application for the suppression, under the plenary powers, of the selection by Westwood (1840) of Vespa muraria Linnaeus, 1758, as the type species of Odynerus Latreille, [1802-1803] (a genus based upon a misidentified type species) and the designa- tion in the place of that species of Vespa spinipes Linnaeus, 1758, as the type species of this genus (Benson, Ferriére & Richards, 1947, Bull. zool. Nomenel. 1 : 215) ;

an application for the suppression, under the plenary powers, of the selection by Latreille (1810) of Formica crassinoda Latreille, 1802, as the type species of Ponera Latreille, 1804, and the designation in the place of that species of Formica contracta Latreille, 1802, as the type species of this genus (Benson, Ferriére & Richards, 1947, Bull. zool. Nomenel. 1 : 216) ;

an application for the validation of the generic name Rhopalum Stephens, 1829 (type species, by selection by Curtis, 1837: Crabro rufiventris Panzer, 1799) by the suppression, under the plenary powers, of the generic name Euplilis Risso, 1826, the type species of which is the same species (by selection by Pate, 1935) (Benson, Ferriére & Richards, 1947, Bull. zool. Nomencel. 1 : 217) ;

an application for the suppression of the selection by Westwood (1839) of Sphex vaga Linnaeus, 1758, as the type species of the genus Solenius Lepeletier and Brullé, 1835 (a genus based on a misidentified type species) and the designation in place of that species of Crabro continuus Fabricius [1804-1805] (Benson, Ferriére & Richards, 1947, Bull. zool. Nomenel. 1 : 218).

VOL. 4 pp

13th Meeting, Paris, July, 1948, 415

The view was expressed that in these cases also, as in the applications considered in Conclusions 42 and 44 above, the information available was not sufficient to enable a decision to be reached on the question whether the plenary powers should be used in the manner proposed, and therefore that the consideration of these applications should be postponed until additional information was available. In addition in the case of the applications relating to Methocha Latreille [March 1804], and Nysso Latreille, 1796, it was felt that, before the Commission could consider whether the plenary powers should be used in relation to Methocha Latreille [March 1804], and Nysso statements should be furnished discussing the question whether these emendations could not be made under Article 19, without the use of the plenary powers.

THE COMMISSION agreed :—

(1) that the information in their possession on the question whether the strict application of the Reégles in the case of the under-mentioned seven generic names in the Order Hymenoptera (Class Insecta) would lead to greater confusion than uniformity was not sufficient to show whether in these cases the plenary powers should be used in the manner proposed :—

(a) Methocha Latreille [March 1804] ;

(b) Notozus Férster, 1853 ;

(c) Nysso Latreille, 1796 ;

(d) Odynerus Latreille [1802-1803] ;

(e) Ponera Latreille, 1804 ;

(f) Rhopalum Stephens, 1829 ;

(g) Solentus Lepeletier and Brullé, 1835 ;

to notify the foregoing conclusion to the Royal Entomological Society of London (through which the foregoing applications had been submitted to the Commission) and at the same time to ask for supplementary statements setting out the nature and extent of the confusion apprehended by the Society if the Régles were strictly applied in the cases specified in (1) above, and, in the case of the names Methocha Latreille, 1804 (case (a) above) and Nysso Latreille, 1796 (case (c) above), discussing the question whether or not these emendations could properly be made under Article 19, a question on which the Commission would need to reach a decision before considering whether the use of the plenary powers in the case of these names would be appropriate ;

PF bo ~~

416 International Commission on Zoological Nomenclature.

Two species in the Order Hymenoptera (Class Insecta) (proposed use of the plenary powers to conserve the trivial names in common use for) : considera- tion postponed for additional informa- tion to be obtained.

(3) to defer taking decisions on the applications referred to above until the supplementary state- ments in regard thereto, asked for in (2) above were severally available.

47. THE COMMISSION had under consideration the under-mentioned applications (files Z.N.(8.)134 and 135) for the stabilisation, under the plenary powers, of the trivial names shown below for two species in the Order Hymen- optera (Class Insecta), submitted by Mr. R. B. Benson (British Museum (Natural History), London), M. Ch. Ferriére (then of the Commonwealth (at that time Imperial) Institute of Entomology, London), and Dr. O. W. Richards (Imperial College of Science and Technology, London) :—

(a) an application (file Z.N.(S.)134) for the use by the Commission of their plenary powers to secure that the trivial name arvensis Linnaeus, 1758 (as pub- lished in the binominal combination Vespa arvensis) shall continue to be used for the species commonly known as Mellinus arvensis (Linnaeus) (Benson, Ferriére & Richards, 1947, Bull. zool. Nomencel. 1: 219) ;

(b) an application (file Z.N.(S.)135) for the use by the Commission of their plenary powers to secure that the trivial name agrorum Fabricius, 1787 (as pub- lished in the binominal combination Apis agrorum) shall continue to be used for the species commonly known as Bombus agrorum (Fabricius) (e.g., as defined by Saunders, 1896, Hymen. Acul. Brit. Islands : 367).

The view was expressed that the foregoing applications were incomplete in the same respects as those considered in Conclusions 42, 44 and 46 above, the information available not being sufficient to enable a decision to be reached on the question whether the plenary powers should be used in the manner proposed. It was accordingly felt that these applications also should be postponed until additional in- formation was available. It would be convenient also if when that information was asked for, a request were added for the addition of a bibliographic reference to the use of the trivial name arvensis Linnaeus, 1758 (as published in the combination Vespa arvensis) in the sense in which it was desired that that name should be stabilised, similar to the corresponding reference included in the application sub- mitted for the stabilisation of the trivial name agrorum Fabricius, 1787 (as published in the combination Apis agrorum) (file Z.N.(8.) 135).

Erycina Lamarck, 1805 (Class Pelecypoda, Order Heterodonta): designation of type species of, under the plenary powers

VOL 4 pp?

13th Meeting, Paris, July, 1948. 417

THE COMMISSION agreed :—

(1) that the information in their possession on the question whether the strict application of the Reégles in relation to the trivial names arvensis Linnaeus, 1758 (as published in the binominal combination Vespa arvensis) and agrorum Fabri- clus, 1787 (as published in the binominal combina- tion Apis agrorum) would lead to greater confusion than uniformity was not sufficient to show whether in these cases the plenary powers should be used in the manner proposed ;

(2) to notify the foregoing conclusion to the Royal Entomological Society of London (through which the foregoing applications had been submitted to the Commission) and at the same time to ask for supplementary statements setting out the nature and extent of the confusion apprehended by the Society if the Régles were strictly applied in the cases specified in (1) above, and in the case of the first of the names in question, to cite a biblio- graphical reference to the use of the trivial name arvensis Linnaeus, 1758, in the sense in which it is desired that that name should be stabilised :

to defer decisions on the applications specified in (1) above until the supplementary statements, asked for in (2) above, were severally available.

cs ~~

48. THE COMMISSION had under consideration an application (file Z.N.(S.) 69) submitted by Dr. Harald A. Rehder (United States National Museum, Washington, D.C.), for the use by the Commission of their plenary powers to set aside the selection made by Anton (1839) under Rule (g) of Article 30 of Erycina elliptica Lamarck, 1805, as the type species of the genus Erycina Lamarck, 1805 (Class Pelecypoda, Order Heterodonta) and in place to designate Erycina pellucida Lamarck, 1805, as the type species of this genus (Rehder, 1947, Bull. zool. Nomencl.1 : 221-222). In submitting this application, Dr. Rehder had expressed the view that the acceptance of Erycina elliptica Lamarck, 1805, as the type species of this genus would mean (i) that the name Hrycina would be used for the group long known as Diplodonia Bronn and Taras Risso and (ii) that the genus Erycina of authors would need a new name. Dr. Rehder had added that this transposition would cause endless con- fusion, especially as both groups were common as Tertiary fossils and were used as index fossils in stratigraphy.

418

Gesner, 1758,

International Commission on Zoological Nomenclature.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that the foregoing application had been con- sidered by the Joint Committee on Zoological Nomenclature for Paleontology in America which, by a majority of ten votes to one had voted in favour of supporting the use of the plenary powers in the manner proposed. No objection to the proposal had been received from any source.

THE COMMISSION agreed

(1) to use their plenary powers :—

(a) to set aside all selections of the type species of the genus Erycina Lamarck, 1805 (Class Pelecypoda, Order Heterodonta) made prior to the present decision ;

(b) to designate Erycina pellucida Lamarck, 1805, to be the type species of the foregoing genus ;

(2) to place the generic name Hrycina Lamarck, 1805, with the type species specified in (1)(b) above, on the ‘‘ Official List of Generic Names in Zoology”;

(3) to place the trivial name pellucida Lamarck, 1805 (as published in the binominal combination Erycina pellucida) on the “‘ Official List of Specific Trivial Names in Zoology ;

(4) to render an Opinion recording the decisions speci- fied in (1) to (3) above.

49. THE COMMISSION had under consideration an

‘,_Tractatus physicus application (file Z.N.(S.)146) submitted by Dr. J. Brookes

de petrificatis :

suppression of, for Knight (United States National Museum, Washington, nomenclatorial D.C.) on the subject of the status of names as published

purposes, under the plenary powers

by Gesner (J.) in 1758 in his Tractatus physicus de petri- ficatis (Knight, 1947, Bull. zool. Nomencl. 1: 222). In submitting this application, Dr. Knight had explained that in this work Gesner had published Latin designations which appeared to be generic names but had published no trivial names for species. Some of these designations had been used as generic names by later authors, by whom species had been referred to the genera in question. Since about 1830, the use of most of these names (all of which ended in “‘-ites ’’) had been discontinued. The few which remained in use were attributed to authors subsequent to Gesner. Dr. Knight had submitted two requests to the Commission : (1) that they should give a ruling on the question whether names published by Gesner in his T'ractatus of 1758 were available under the Régles, (2) that, if the answer to the foregoing question were to be in the affirmative, the Commis-

(For the decision to amend the wording of Proviso (b) to Article 25 to read as here shown, see Paris Session, 4th M. eeting, Conclusion 3)

13th Meeting, Paris, July, 1948, 419

sion should use their plenary powers to render those names unavailable by suppressing the whole of the Tractatus for nomenclatorial purposes,

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that he had been informed by the Chairman of the Joint Committee on Zoological Nomenclature for Paleontology in America that, although it had not been found possible to take a vote of the members of the Joint Committee on this case, four of the members of the Commit- tee (Wells, Moore, Cooper, Keen) had expressed themselves “as favouring suppression’. The Acting President added that, speaking as a member of the Commission, his own view was that Gesner’s T'ractatus was not a binominal work and therefore that the new “names” published therein could properly be rejected on the ground that in the Tractatus Gesner had not complied with the requirements of Proviso (b) to Article 25 (that is to say, he had not appliqué les principes de la nomenclature binominale ”). If the Commission possessed a salaried staff and were thus

“able themselves to undertake detailed research on problems

arising out of applications submitted to them, the ideal course in cases of this sort would be for them to investigate in detail the question whether a given book complied with the requirements of Proviso (b) to Article 25 and to reserve the use of their plenary powers for those cases where it was clear that the work in question was a binominal work but where the use of the new names published in that work would lead to greater confusion than uniformity. However, with its limited funds and its honorary spare-time staff, the Commission could not normally undertake investigations of this sort. In existing conditions, it was therefore frequently necessary for the Commission to consider jointly the question whether a given work was an available work and the question whether it was desirable that, if the answer to the first question was in the affirmative, the plenary powers should be used to suppress for nomenclatorial purposes any new names published in that work. This was apparently the course which has been followed by the American specialists to whom he had referred, for they had expressed themselves as being in favour of the suppression of Gesner’s T'ractatus under the plenary powers, without having expressed an opinion on the prior question whether in fact under the Reégles that work was an available work. In the present case, he (the Acting President) thought that this was the right line to adopt. Every specialist who had expressed an opinion to the Commission was in favour of the rejection of the “names published by Gesner. This being so, the method to be adopted to secure

420

(Previous reference: Paris Session,

6th Meeting, Conclusion 47)

** Liodes Heyden, 1826 (Class Arachnida, Order Acarina) to be rejected as a homonym of

Leiodes Latreille, 1796 (Class Insecta, Order Coleoptera)

International Commission on Zoological Nomenclature.

this end was purely one of machinery. The simplest

- method of achieving this object would be by the use of the plenary powers.

This therefore was the course which he

recommended the Commission to adopt.

THE COMMISSION :—

(1) took note that the specialists who had expressed

(2

(4

~

~~

~—

an opinion on the application submitted in regard to the treatment of new names” pub- lished in 1758 in Gesner’s Tractatus physicus de petrificatis were unanimous in considering that those “‘ names” should not be accepted ;

without prejudice to the question whether in his Tractatus of 1758 Gesner applied the principles of binominal nomenclature and therefore whether new “names” in that work possessed any availability under the Reégles, agreed to use their plenary powers in so far as necessary to suppress the foregoing work for all nomenclatorial purposes;

placed on record that, in view of the decision specified in (2) above, any “name”, the first publication of which subsequent to 1757 was in Gesner’s J'ractatus of 1758, ranks for purposes of the Law of Priority (Article 25) and of the Law of Homonymy - (Article 34) as from the date. subsequent to the Tractatus on which it was first published in conditions which satisfy the requirements of Article 25 and is to be attributed to the author by whom it was so published ;

agreed to render an Opinion recording the decisions specified in (1) to (3) above.

50. THE COMMISSION had under consideration :—

(a) an application (file Z.N.(S.)64) submitted by the

late Dr. Arthur P. Jacot, asking for a ruling on the question whether the generic name Jvodes Heyden 1826 (Class Arachnida, Order Acarima) should, under Article 34, be rejected as a homonym of the generic name Leiodes Latreille, 1796 (Class Insecta, Order Coleoptera) (Jacot, 1947, Bull. zool. Nomencl. 1 : 223) ;

(b) a paper by the Secretary to the Commission

pointing out that under Article 35(3), as applied to Article 34 (generic names) by Opinion 147,

(Previous reference: Paris Session,

6th Meeting, Conclusion 41)

Report to the Congress on the work performed during the Paris Session: two supplementary points submitted to the Section on Nomenclature

( Previous reference: Paris Session,

llth Meeting Conclusion 6)

13th Meeting, Paris, July, 1948. 421

generic names differing from one another in spelling only in the manner shown in the example cited by Dr. Jacot (Letodes and Liodes) were to be regarded as homonyms of one another in those cases where the names in question consisted of words having “the same origin and meaning but not otherwise (Hemming, 1947, Bull. zool. Nomencl. 1 : 223-224).

It was pointed out that the position in regard to these names must now be judged in the light of the criteria which it had been agreed to recommend should be inserted in Article 34. The view was expressed that there could be no reasonable doubt that these two names were based upon the same Greek word. They must therefore be regarded as homonyms of one another.

THE COMMISSION agreed :—

(1) that Letodes Latreille, 1796, and Liodes Heyden, 1826, are homonyms of one another and therefore that the name Liodes Heyden, 1826, as the later published of the two names, is invalid ;

(2) to place the name Liodes Heyden, 1826 (Class Arachnida, Order Acarina) on the Official Index of Rejected and Invalid Generic Names in Zoology ;

(3) to render an Opinion recording the decisions specified in (1) and (2) above.

51. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that, when at the joint meeting held at 0915 hours that morning the Section on Nomenclature had approved and adopted the Report adopted by the Commission for submission to the Congress at the final Plenary Session to be held on the morning of the following day (Tuesday, 27th July, 1948) and had invited him, as Secretary to the Commission, to present that Report to the Congress on their behalf with an indication that it had been approved and adopted by the Section on Nomenclature as well as by the Commission, the Section had agreed also that, if, as the result of discussions in the Section sub- sequent to the adoption of the Commission’s Report, the Commission and the Section were to agree to make any additions to the Report, the additions so agreed upon should be made before the Report was submitted to the Congress.

bo

International Commission on Zoological Nomenclature.

There were two points arising out of this decision to which he (the Acting President) wished to refer. The first was concerned with the interpretation of the Report; the second involved the insertion in the Report of an additional sentence. As regards the first of these points, it was important that it should be clearly, placed on record that the approval of the Commission’s Report signified by the Section at their morning’s meeting applied not only to the recommendations submitted to the Section by the Commission up to the time when at that meeting the approval of the Section was so signified but also to recommendations submitted by the Commission to the Section and approved by the Section in the period between the adoption by the Section of the Commission’s Report and the close of the final meeting of the Section held during the present (Paris) Congress, for it was essential that at the final Concilium Plenum the Congress should be made fully aware of conclusions reached by the Section. In order to clear the position in this regard up to the close of the present meeting, he (the Acting President) proposed that the Commission should now formally adjourn for a few minutes to enable him on their behalf to invite the Section to place on record that the approval of the recommendations submitted by the Commission in regard to the amendment of the Régles recorded by the Section in approving and adopting the Commission’s Report applied not only to the recommendations submitted to, and approved by, the Section up to that moment, but also to the recommenda- tions similarly submitted and approved (1) in the portion of the 11th Meeting of the Commission (and the 3rd Meeting of the Section) held subsequent to the adoption thereat by the Section of the Commission’s Report, (2) during the joint meeting held that afternoon at 1445 hours (i.e. at the 12th Meeting of the Commission and the 4th Meeting of the Section), and (3) during the present meeting (i.e. the 13th Meeting of the Commission and the 5th Meeting of the Section). The second of the points to which he (the Acting President) had referred was concerned with the insertion in the Commission’s Report of a sentence referring to the fact that during the present (Paris) Session the Commission had reached decisions on a large number of applications submitted to them on individual nomencla- torial problems. He had always hoped, as had the other members of the Commission, that it would be possible to make progress in this field during the Paris Session, but it had not been possible for him to insert a reference to this matter in the draft Report (Commission Paper I.C.(48)20) which had been considered that morning, for up to that time the Commission had not been able to devote any time

(Previous reference: Paris Session,

11th Meeting, Conclusion 6(2)(b) )

13th Meeting, Paris, July, 1948. 423

to the consideration of individual applications, the whole of their energies having been directed to the consideration of proposals for the amendment or clarification of the Regles. Great progress had now, however, been made in this important part of the work of the Commission, and he (the Acting President) therefore suggested that the Commission should agree to insert in their Report a para- graph dealing with this matter and should invite the Section on Nomenclature to concur in this course.

THE COMMISSION agreed :— (1) to insert in their Report to the Congress on the

work performed during the present (Paris) Session a paragraph recording that during that Session the Commission had reached decisions on a large number of applications on individual nomenclatorial problems which had been sub- mitted to them and to invite the Section on Nomenclature to signify their approval of the addition to the Report of the foregoing para- graph ;

in accordance with the procedure agreed upon earlier that day at the meeting noted in the margin, to request the Section to signify that the approval of the recommendations submitted by the Commission in regard to the amendment of the Régles expressed by the Section when, at the meeting referred to above, they had approved and adopted the Report prepared by the Com- mission for submission to the Congress at the final Coneilium Plenum to be held on the following morning, should be held to cover also the recommendations further regarding the amend- ment of the Régles unanimously adopted by the Commission, in agreement with the Section, at the following joint meetings held during the present day :—

(a) the portion, subsequent to the adoption of the Commission’s Report by the Com- mission and the Section, of the meeting held in the forenoon (11th Meeting of the Commission and 3rd Meeting of the Section) ;

(b) the meeting held that afternoon at 1445 hours (12th Meeting of the Commission and 4th Meeting of the Section) ;

(c) the meeting held on the same afternoon at 1730 hours (13th Meeting of the Commission and 5th Meeting of the Section) ;

424 International Commission on Zoological Nomenclature.

Fourteenth Meeting of the Commission during its Paris Session: time appointed

(Previous reference: Paris Session, llth Meeting, Conclusion 2)

(3) to recommend the Section on Nomenclature formally to take note of, and approve, the conclusions in regard to individual nomenclatorial problems reached by the Commission, in agree- ment with the Section, at the joint meetings of the Commission and the Section specified in (2) above ;

mS

to invite the Acting President, as Secretary to the Commission, to lay before the Section on Nomen- clature the recommendations specified in (1) to (3) above and to seek the approval of the Section therefor.

(The Commission thereupon adjourned to enable the Acting President to submit the foregoing recommendations to the Section on Nomenclature.)

(On resumption)

52. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that there still remained a number of applications relating to individual cases, on which it was highly important that decisions should be reached before the close of the Congress. For this purpose, as had been foreseen at the first of the meetings held that day, it would be necessary for the Commission to hold a further meeting that evening after dinner. There would be no possibility of arranging for a meeting of the Section on Nomenclature

to be held after that meeting for the purpose of taking note .

of conclusions then reached by the Commission or of considering any recommendations which the Commission might then agree to submit. In his capacity as President of the Section on Nomenclature, he proposed therefore that the evening meeting should, like the other meetings held that day, be a joint meeting of the Commission and the Section. As such, it would be open to any member of the Congress to take part in it. He proposed that the meeting should start at 2030 hours.

THE COMMISSION took note of, and approved, the proposals submitted by the Acting President.

(The Commission thereupon adjourned at 1910 hours.)

Bp, ge

= -

( 425 )

INTERNATIONAL COMMISSION on ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth International Congress of Zoology, Paris, 21st-27th July, 1948

CONCLUSIONS of the Fourteenth Meeting held at the Sorbonne in the Amphithéatre Louis-Liard on Monday, 26th July 1948 at 2030 hours

(Meeting held concurrently with the Sixth Meeting of the Section on Nomenclature)

PRESENT :

Mr. Francis Hemming (United Kingdom) (Acting President) Professor I. Beltran (Mexico)

Professor J. Chester Bradley (U.S.A .)

Professor L. di Caporiacco (Italy)

Professor Harold Kirby (U.S.A.)

Dr. Henning Lemche (Denmark)

Mr. N. D. Riley (United Kingdom)

Professor Robert L. Usinger (U.S.A.)

The following were also present :

Dr. E. A. Chapin (U.S.A.) Dr. Ellsworth C. Dougherty (U.S.A.)

Part 10 of Volume 1 1. THE COMMISSION had before them Part 10 of ste OS eee of Volume 1 of the Bulletin of Zoological Nomenclature Nomenclature”: containing 22 papers relating to 15 individual problems of applications nomenclature.

published in, to be

considered in turn

(Previous reference: THE COMMISSION :—

Paris Session, ; : 13th Meeting, (1) took note that one of the papers published in eoreen 28) Part 10 of Volume 1 of the Bulletin of Zoological

Nomenclature had already been considered at the meeting noted in the margin in connection with the problem of the nomenclature of Orders and higher taxonomic units ;

(2) agreed to examine, in turn, each of the remaining 14 applications, 21 papers relating to which had been published in the foregoing Part of the Bulletin, .

426 International Commission on Zoological Nomenclature.

** Raphistoma Rafinesque, 1815, and Belone” Oken, 1815 (Class Pisces, Order Synentognathi) suppressed and

* Raphistoma Hall, 1847 (Class Gastropoda, Order Archaeogastropoda) and Belone Cuvier, 1817 (Class Pisces, Order Synentognathi) validated, under the plenary powers

2. THE COMMISSION had under consideration :— (a) a joint application (file Z.N.(S.)145) from the

undermentioned specialists in the field of Palaeozoic Gastropods and living fishes for the suppression under the plenary powers of the generic name Raphistoma Rafinesque, 1815 (Class

Pisces, Order Synentognathi) and the validation ©

under the same powers of the generic name Raphistoma Hall, 1847 (Class Gastropoda, Order Archaeogastropoda) :—

Dr. J. Brookes Knight (United States National Museum, Washington, D.C.),

Dr. L. R. Cox (British Museum (Natural History), London) (see also (b) below),

Dr. K. P. Oakley (British Museum (Natural History), London),

Dr. Josiah Bridge (United States Geological Survey, Washington, D.C.),

Dr. Edwin Kirk (United States Geological Survey, Washington, D.C.),

the late Dr. J. R. Norman (formerly of the British Museum (Natural History), London), Dr. Ethelwynn Trewavas (British Museum (Natural History), London),

the late Dr. E. O. Ulrich (formerly of the ~

United States National Museum, Washington, D.C.),

Dr. Leonard P. Schultz (United States National Museum, Washington, D.C.),

Professor George 8. Myers (Natural History Museum, Stanford University, California, U.S.A.) (see also (c) below) (see Knight and the other specialists cited above, 1947, Bull. zooll. Nomenel. 1 : 225-227) ;

(b) asupplementary note by Dr. L. R. Cox, explaining

that, while he supported the use of the plenary powers in the present case (see (a) above), he was not altogether convinced that this course was necessary, believing that it was possible to argue that, under the Régles, Raphistoma Rafinesque, 1815, was a nomen nudum (not having been published with an indication”) and therefore that the name Raphistoma Hall, 1847, was already an available name (Cox, 1947, Bull. zool. Nomenel, 1 : 227);

ee

14th Meeting, Paris, July, 1948. 427

(c) a supplementary note by Professor George S. Myers (see (a) above), expressing doubts similar to those expressed by Dr. Cox (see (b) above) but, like Dr. Cox, supporting the use of the plenary powers, in order to prevent the confusion which would arise from the use of the name Raphistoma in ichthyology (Myers, 1947, Bull. zool. Nomencl. 1 : 227-228).

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that, subsequent to its publication in the Bulletin of Zoological Nomenclature, this application had been considered by the Joint Committee on Zoological Nomenclature for Palaeontology in America, which had given it their support. Further, Mr. Joshua L. Baily, Jr. (San Diego, California, U.S.A.), had written a letter supporting the action proposed. On the question of the method to be adopted to secure the desired end, Mr. Baily had expressed a strong preference for proceeding by the plenary powers rather than by way of interpretation. He had added that, in addition to the reasons advanced in the application published in the Bulletin, there was another strong reason in favour of conserving the name Raphistoma Hall, for that genus presented features believed to be characteristic of the ancestral Gastropod, and in consequence the name Raphistoma was of special importance in dis- cussions on primitive fossil molluscs of doubtful affinities. In addition, Dr. Robert R. Miller (United States National Museum, Washington, D.C.) had informed him (the Acting President) that he would be strongly opposed to the use of the name Raphistoma Rafinesque for a genus of fishes. No objection to the action proposed had been received from any source. Turning to the actual proposal itself, the Acting President said that, while the generic name Raphistoma Rafinesque had been introduced in a very unsatisfactory way, it could not, he thought, be claimed that it had been published without an indication” in view of the reference to Gronovius which Rafinesque had given. If, therefore (as he hoped would be the case), the Commission agreed to approve the proposal submitted by Dr. Brookes Knight and his colleagues, it would be necessary to use the plenary powers. Further, he thought that it would be desirable that, if the Commission validated the name Raphistoma Hall (Class Gastropoda), they should validate also the name Belone Cuvier, 1817 (Class Pisces), the validity of which, as the applicants had pointed out, could not be established until the name Raphistoma Rafinesque had been suppressed. Incidentally, it would be necessary also to suppress the earlier name Belone Oken,

428 International Commission on Zoological Nomenclature.

1816, in anticipation of a decision by the Commission on the general question of the availability of new names published in that author’s Lehrbuch.

THE COMMISSION agreed :— (1) to use their plenary powers :—

(a) to suppress for all purposes the under- mentioned generic names :— Raphistoma Rafinesque, 1815 (Class Pisces, Order Synentognathi), Belone Oken, 1815 (Class Pisces, Order Synentognathi) ; (b) to validate the undermentioned generic names :— . Raphistoma Hall, 1847 (Class Gastropoda, Order Archaeogastropoda), Belone Cuvier, 1817 (Class Pisces, Order Synentognathi) ;

(2) to place on the Official Index of Rejected and Invalid Generic Names in Zoology” the two _ generic names specified in (1)(a) above ;

(3) to place the undermentioned generic names ,with the type species severally specified below, on the Official List of Generic Names in Zoology :— (a) Raphistoma Hall, 1847 (type species, by selection by de Koninck, 1881: Maclurea striatus Emmons, 1842) ; (b) Belone Cuvier, 1817 (type species, by absolute tautonymy: sox belone Lin- naeus, 1761) ;

(4) to place the undermentioned trivial names on the Official List of Specific Trivial Names in Zoology :— :

(a) striatus Emmons, 1842 (as published in the binominal combination Maclurea striatus) ;

(b) belone Linnaeus, 1761 (as published in the binominal combination Fsox belone) ;

(5) to render an Opinion recording the decisions specified in (1) to (4) above.

Teleosteus 3. THE COMMISSION had under consideration an Volger, 1860, and = application (file Z.N.(S.) 132) submitted by Dr. Adolf the trivial name

primaevus Zilch (Natur-Museum Senckenberg, Frankfurt a.M., Volger, 1860 (as Germany) asking the Commission to use their plenary

published in the combination

Teleosteus primaevus ”’)

(Class Anthozoa) :

suppression of, under the plenary Powers

14th Meeting, Paris, July, 1948. 429

powers to suppress (1) the generic name Teleosteus Volger, 1860, and (ii) the trivial name primaevus Volger, 1860 (as published in the binominal combination Teleosteus primaevus) (Class Anthozoa) (Zilch, 1947; Bull. ool. Nomencl. 1: 228-229). In this application Dr. Zilch explained that the foregoing generic and trivial names had been given by Volger to what he had believed was a fossil of an osseous fish, found in the Hunsriick-slate of Caub (Lower Devonian, Siegen division). In the preparation of a catalogue of the type specimens preserved in the Natur- Museum Senckenberg, Volger’s unique type specimen had been found correctly arranged among the corals of the Hunsriick-slate.- It was in fact a Devonian tetra-coral and was referable to the same species as that which Sand- berger had named Rhipidophyllum vulgare in 1889. In the absence therefore of action by the Commission the generic name Teleosteus Volger, 1860, would replace the name Rhipidophyllum Sandberger, 1889, and the trivial name primaevus Volger, 1860, would replace the name vulgare Sandberger, 1889, for the tetra-coral which Volger had mistaken for a fossil fish. The name Teleosteus would be misleading for a genus of corals and its substitution for the name Rhipidophyllum would be objectionable in view of the designation Rhipidophyllum-slate introduced by Sandberger. It was for these reasons that the applicant invited the Commission to use their plenary powers in the manner proposed.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the present application had received the support of the Joint Committee on Zoological Nomen- clature for Paleontology in America (by a majority of 10 votes to 1). Mr. Joshua L. Baily, Jr. (San Diego. California, U.S.A.) had also written to the Commission supporting the use of the plenary powers for the reasons stated in the application. No other specialist in the group concerned had expressed an opinion on the action proposed but an entomologist, Dr. Richard Blackwelder (United States National Museum, Washington, D.C.) had notified his strong personal objection to this proposal on the ground that the evidence brought forward in the application was not, in his view, sufficient to justify the use of the plenary powers.

IN DISCUSSION, the view was expressed that this was a case in which the plenary powers could appropriately be used and therefore that the application should be granted.

430 International Commission on Zoological Nomenclature.

The trivial name

“* mcfarlandi (as published in the binominal combina- tion ‘“ Chromodoris mcfarlandi”’) (Class Gastropoda, Order Opistho- branchia) : emendation of, to

“* macfarlandi under Article 19

THE COMMISSION agreed :— (1) to use their plenary powers :—

(a) to suppress the generic name Teleosteus Volger, 1860, and the trivial name primaevus Volger, 1860 (as published in the binominal combination Teleosteus primaevus) ;

(b) to validate the generic name Rhipidophyl- lum Sandberger, 1889 and the trivial name vulgare Sandberger, 1889 (as published in the binominal combination Rhipidophyl- lum vulgare) ;

(2) to place the generic name Teleosteus Volger, 1860 on the Official Index of Rejected and Invalid Generic Names in Zoology ;

(3) to place the trivial name primaevus Volger, 1860 (as published in the binominal combination Teleosteus primaevus) on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology ”’ ;

(4) to place the generic name Rhipidophyllum Sandberger, 1889, Jahrb. nassau. Ver. Naturk. 42: 100 (Class Anthozoa) (type species, by monotypy ; Rhipidophyllum vulgare Sandberger, 1889), on the “‘ Official List of Generic Names in Zoology ;

(5) to place the trivial name vulgare Sandberger, 1889 (as published in the binominal combination Rhipidophyllum vulgare) on the Official List of Specific Trivial Names in Zoology ;

(6) to render an Opinion recording the decisions specified in (1) to (5) above.

4. THE COMMISSION had under consideration an application (file Z.N.(S.) 122) submitted by Dr. D. P. Costello (University of North Carolina, Chapel Hill, U.S.A.) asking for a ruling on the question whether the trivial name mcfarlandi Cockerell, 1902 (published in the bino- minal combination Chromodoris mcfarlandz) (Class Gastro- poda, Order Opisthobranchia) should, under Article 19 of the Régles, be emended to macfarlandi, having regard to the fact that the author (Cockerell), when publishing this name, had stated that it had been selected in honour of Professor F. M. McFarland of Stanford University, whose name was actually not McFarland but MacFarland (Costello, 1947, Bull. zool. Nomencl. 1: 232-2383).

The species com- monly treated as having been named Piroplasma annulatum ”’ by Dschunkowsky and Luhs in 1904 (Class Sporozoa) Order Coccidiida) : (identity of): consideration postponed for further information to be obtained regarding date of publication

(Previous reference: Paris Session,

4th Meeting, Conclusion 11)

VOL, 4 ER

14th Meeting, Paris, J uly, 1948.

431

THE COMMISSION agreed :—

(1) that on the evidence brought forward, it was

évident that when, in publishing a trivial name for a new species of the genus Chromodoris Alder & Hancock, 1855 (Class Gastropoda, Order Opisthobranchia), dedicated in honour of a zoologist named Macfarland ”, Cockerell (1902) had spelt that trivial name as mefarlandi”’ instead of macfarlandi,” a faute d’ortho- graphe had been committed and therefore that, under Article 19, the trivial name in question should be emended to read macfarlandi”? ;

to render an Opinion recording the decision specified in (1) above.

5, THE COMMISSION had under consideration :— (a) an application (file Z.N.(S.)122) submitted by

THE ACTING PRESIDENT HEMMING) said that the actual problem presented in this application offered no difficulty, in view of the decision

~~

Dr. G. Witenberg (Hebrew University Jerusalem) asking for a ruling on the question whether Sergent (1923) was justified under the Reégles in rejecting the trivial name annulatum Dschun- kowsky & Luhs (as published in the binominal combination Piroplasma annulatum) (Class Sporo-

40a, Order Coccidiida) on the ground that, when

that name was first published, the nominal species so named was a composite species (Witenberg, 1947, Bull. zool. Nomenel. 1 : 223-224) ;

a note by the Secretary to the Commission (i) drawing attention to the fact that, although the name Piroplasma annulatum was universally attributed to Dschunkowsky & Luhs as from their paper Die Piroplasmen der Rinder published in 1904, an examination of that paper showed that neither the above nor any other scientific name was on that occasion given by those authors to the species responsible for Piro- plasmosis in Cattle then described and figured, and (ii) enumerating efforts, so far unsuccessful, made by himself, as Secretary to the Commission, to ascertam when and by whom the name Piproplasma annulatum had first been published in conditions which satisfied the requirements of the Regles (Hemming, 1947, Bull. zool. Nomencel. 1 :. 234-236).

(MR. FRANCIS.

432

International Commission on Zoological Nomenclature.

taken at the meeting noted in the margin to clarifiy the provisions of Article 31 in relation to the determination of the species to which a trivial name should apply when (as here) the nominal species to which it had originally been given was found to be a composite species. The feature of this case which was extraordinary was that, although this name had for over 40 years been treated by all authors as though it had been published in 1904 in the paper to which he had referred, not only was this not the case but it had so far proved impossible to determine with certainty where and by whom this name had first been published, despite the painstaking assistance of leading protozoo- logists. Even Dschunkowsky was unable to say when or where he had first published this name. The Commission would (the Acting President felt sure) wish to express its gratitude for the outstanding assistance rendered in this case both by Dr. C. M. Wenyon, C.M.G., C.B.E., F.R.S. (The Wellcome Foundation, London) and by Mr. D. A. E. Cabot, Chief Veterinary Officer of the United Kingdom Ministry of Agriculture and Fisheries. The Acting President added that, while a decision could now readily be taken on the limited issue raised by Dr. Witenberg, it was, he thought, desirable that a final effort should be made to determine the place where the name Piroplasma annulatum had first been published before an Opinion was rendered in this case. In the meantime it was necessary to treat the name Piroplasma annulatum as having been first published in 1905 in the Report of the VIIIth International Veterinary Congress, Budapest, 1904, that being the earliest place of publication of the name in question which it had so far been possible to trace. The name should be attributed to Dschunkowshy & Luhs, on whose behalf it had been communicated to the Budapest Congress.

THE COMMISSION agreed :—

(1) that, pending the outcome of the further investi- gation referred to in (5) below, the name Piro- plasma annulatum (Class Sporozoa, Order Cocci- diuda) should, on the information at present available, be treated as having been first published in 1905 in the Report of the VIIIth International Veterinary Congress, Budapest, 1904 : 290, where it appeared in a paper by Dschunkowsky & Luhs communicated to the Congress by M. G. Tartarowsky, and that this name should therefore be attributed to Dschunkowsky & Luhs, 1905 ;

that Dr. E. Sergent was in error when in 1923 he rejected the trivial name annulatum Dschun- kowsky & Luhs on the ground that, when that

(2

~—

14th Meeting, Paris, J uly, 1948, 433

name had been first published, it had been applied to a composite species (the one pathogenic, the other non-pathogenic), for under the Regles a trivial name cannot be rejected on this ground, it being necessary to determine the species to which the name should be applied by the means provided by Article 31 ;

(3) that Dr. Witenberg himself in his application to the Commission (1947) applied the provisions of Article 31 to the trivial name annulatum Dschun- kowsky & Luhs, 1905, when he selected as the species to which that name should apply the pathogenic (as contrasted with the non-patho- genic) species included by Dschunkowsky & Luhs in the nominal species Piroplasma annulatum when they first published the name of that composite species, and therefore that the trivial

. names parva and dispar, as published by Sergent (1923) (in combination with the generic name Theileria) were objective synonyms of the trivial name annulatum Dschunkowsky & Luhs (as published in 1905 in combination with the generic name Piroplasma) ;

(4) to place on record their thanks to Dr. C. M. Wenyon (Wellcome Foundation, London) and Mr. D. A. E. Cabot, Chief Veterinary Officer, United Kingdom Ministry of Agriculture and Fisheries, for their assiduous efforts to assist in the investigation of the complex bibliographical problems involved in this case ;

(5

~—

to invite the Secretary to the Commission to examine, in consultation with specialists, the question whether there was any prospect of obtaining. more precise information regarding the date on which, and the place in which, the name Piroplasma annulatum was first published ;

(6) to render an Opinion recording the decisions specified in (1) to (3) above, as soon as the Secretary had either brought to a successful issue the inquiry referred to in (5) above or was satisfied that no further information regarding the date and place of first publication of the name Piroplasma annulatum was likely to be obtained.

Tremataspis 6. THE COMMISSION had under consideration an

Schmidt, 1866 (a application (file Z.N.(S.)123) submitted by Dr. George M.

Eiideaied on Robertson (Dartmouth College, Hanover, New Hampshire,

species) (Class US.A.), asking the Commission to use their plenary powers VOL. 4 EE?

434 International Commission on Zoological Nomenclature.

Cephalaspido- morphi, Order Osteostraci) : designation of type species of, under the plenary powers

to designate Z'remataspis schmidti Rohon, 1892 as the type species of the genus TZ'remataspis Schmidt, 1866 (Class Cephalaspidomorphi, Order Osteostraci) (Robertson, 1947, Bull. zool. Nomenel. 1 : 237-238). It was explained that this was a case of a genus based on a misidentified type species. Schmidt (1866) had established the genus Tremataspis for a single species which, in fact, at that time was undescribed and unnamed and had misidentified that species with the species Cephalaspis schrenkw Pander, 1856. Under the presumption (laid down in Opinion 168) that the author of a genus is to be assumed to have identified correctly the species referred by him thereto, the type species of the genus Z’remataspis Schmidt was the true Cephalaspis schrenku of Pander. The recognition of this species as the type species of Tremataspis Schmidt would run counter to existing practice, would upset the family name TREMATASPIDAE and would lead to confusion. It was for these reasons that the Commission were asked to use their plenary powers to validate existing nomenclatorial practice by designating Tremataspis schmidti Rohon, 1892 (the species on which, in fact, Schmidt based the genus Tremataspis), as the type species of the genus T'remataspis Schmidt, 1866.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the present was a clear case of a genus based upon a misidentified type species. The proposal submitted by Dr. Robertson had received the support of the Joint Committee on Zoological Nomenclature for Paleontology in America, which (by a majority of 7 votes to 3) had passed a resolution in its favour. No other specialists in the group concerned had expressed opinions on the action proposed, but an entomologist, Dr. Richard Blackwelder (United States National Museum, Washington, D.C.) had notified his strong personal oppostion to this proposal on the ground that in his (Dr. Blackwelder’s) opinion, the evidence brought forward in the application was not sufficient to justify the use of the plenary powers.

IN DISCUSSION the view was expressed that this case fell within the ambit of Opinions 65 and 168 and should therefore be granted.

THE COMMISSION agreed :—

(1) to use their plenary powers :—

(a) to set aside the type designation made by Schmidt for, and all subsequent selections of type species made prior to the present decision in respect of, the genus T'remataspis Schmidt, 1866 (Class Cephalaspidomorphi, Order Osteostraci) ;

Anomia pecten Linnaeus, 1758 : identification of, under the plenary powers, with the species of the Order Protremata (Class Brachiopoda) commonly known as “‘ Strophomena pecten (Linnaeus,

14th Meeting, Paris, July, 1948. 435

(b) to designate T'remataspis schmidti Rohon, 1892, to be the type species of the foregoing genus ;

(2) to place the generic name Tremataspis Schmidt, 1866, with the type species designated in (1)(b) above, on the Official List of Generic Names in Zoology ;

(3) to place the trivial name schmidti Rohon, 1892 (as published in the binominal combination Tremataspis schmidti) on the Official List of Specific Trivial Names in Zoology ;

(4) to render an Opinion recording the decisions specified in (1) to (3) above.

7. THE COMMISSION had under consideration an application (file Z.N.(S.)130) submitted by Dr. Alan Wood (Imperial College of Science and Technology, London) asking the Commission to use their plenary powers to identify Anonia pecten Linnaeus, 1758, with the species belonging to the Order Protremata (Class Brachiopoda) commonly known as Strophomena pecten (Linnaeus, 1758) (Wood, 1947, Bull. zool. Nomencl.1 : 239). It was explained that the above was the sense in which this Linnean name was currently used, but an examination of the figure quoted by Linnaeus in his original description (Lister’s pl. 9, fig. 49) represented an entirely different species, namely the lamellibranch Pecten papyraceus Sowerby, - 1822 (now commonly known as Pterinopecten papyraceus (Sowerby, 1822)). Both the brachiopod and the lamellibranch were widely distributed species and for over 100 years had been cited by many authors under the trivial names pecten Linnaeus and papyraceus Sowerby respectively. Great confusion would ensue if it were necessary to transfer the first of these names to the lamellibranch ,(papyraceus Sowerby).

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that this proposal had been considered by the Joint Committee on Zoological Nomenclature for Paleontology in America, which (by a majority of 9 votes to 2) had adopted a resolution supporting the action proposed. In addition, Mr. Joshua L. Baily, Jr. (San Diego, California, U.S.A.) had informed the Commission that he favoured the use of the plenary powers in this case. No objection to this proposal had been received from any source. The present petition arose from a situation which occurred not uncommonly in connection with Linnean names, for, as he had himself found, when he was working on the Linnean butterflies. Linnaeus (by his own admission)

436 International Commission on Zoological Nomenclature. .

had on occasion taken at second hand _ bibliographical references furnished to him, at his own invitation, by correspondents who had access to books not accessible to himself. It might be that this was what had happened. in the present instance. If, as he hoped, the Commission approved the present proposal, it would be necessary to tie down the identity of the species to which in future the trivial name pecten Linnaeus, 1758, was to apply by anchoring it to a well authenticated description or figure of the species now known as Strophomena pecten (Linnaeus, 1758).

THE COMMISSION agreed :—

(1) to use their plenary powers to direct that the trivial name pecten Linnaeus, 1758 (as published in the binominal combination Anomia pecten) should apply to the species of the Order Protre- mata of the Class Brachiopoda, commonly known as Strophomena pecten (Linnaeus, 1758), 1.e. the species determined as Schellwienella pecten (Lin- naeus, 1758) by Dalman (J. W.), 1828, K. svenska Vetensk. Akad. Handl., 1827: 110 pl. 1, figs. 6a-d (as Orthis pecten) ;

(2

~

to place the under-mentioned trivial names on the Official List of Specific Trivial Names in Zoology :—

pecten Linnaeus, 1758 (as published in the binominal combination Anomia specten), as identified in (1) above ;

papyraceus Sowerby, 1822 (as published in the binominal combination Pecten papyraceus) ;

(3) to render an Opinion recording the decisions specified in (1) and (2) above.

Chinchilla” 8. THE COMMISSION had under consideration an Bennett, 1829 (Class application (file Z.N.(S.) 141) submitted by the late Dr. sss egos Wilfred H. Osgood (Chicago, U.S.A.) for a ruling on the of type species of: question of the species to be accepted as the type species of commdegy one the genus Chinchilla Bennett, 1829 (Class Mammalia, pened try an te be Order Rodentia) (Osgood, 1947, Bull. zool. Nomencl. 1: obtained 240-242). In this paper Dr. Osgood explained that Bennett had established the genus Chinchilla on the basis of the Chilean species (or subspecies) of the true Chin- chilla.” Bennett did not designate a type species for the genus Chinchilla, but for the reason explained it was none the less clearly monotypical. Unfortunately, however, Bennett had applied to the single species which he described

14th Meeting, Paris, July, 1948, 437

the name Chinchilla lanigera, not as a new name but as the feminine form of the earlier name Mus laniger Molina, 1782. A careful examination by Prell (1934) of Molina’s, description had led that specialist to conclude that the species described by Molina was not a true Chinchilla but was the so-called False Chinchilla or Chinchilla Rat, which was currently placed in the genus Abrocoma Waterhouse, 1837, and did not belong even to the same family as the true Chinchilla. Three forms of true Chinchilla were recognised by specialists (from Chile, Peru and Bolivia respectively). The first of these to receive a name (Eriomys chinchilla Lichtenstein, 1829) could not be regarded as the type species of Bennett’s genus Chinchilla, for that nominal species was based on the Peruvian animal, Whereas Bennett’s genus was based on that from Chile. Dr. Osgood had concluded that, owing to the prolonged misuse of Molina’s trivial name laniger, the true Chinchilla from Chile did not receive a scientific name until in 1934 Prell named it Chinchilla velligera. If the Chinchilla Rat (Mus laniger Molina) were to be recognised as the type species of Chinchilla Bennett in place of the true Chinchilla, long-continued confusion of technical and vernacular names would be inevitable. These difficulties would be completely avoided it if were possible to set aside the claim of the name Mus laniger Molina, 1782, to be taken into account in considering the question of the type species of the genus Chinchilla Bennett, 1829.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that he had discussed this case with Dr. Philip Hershkovitch while in Chicago during his recent visit to the United States. He had then asked Dr. Hersh- kovitz to furnish him with a statement setting out his views. Dr. Hershkovitz had now done this. In this Statement he took the view (1) that the Mus laniger of Molina, 1782, was a composite nominal species based in part upon the true Chinchilla of Chile (i.e. the Speciesynamed Chinchilla velligera by Prell in 1934), partly upon the False Chinchilla (i.e. the Chinchilla Rat now referred to the genus . Abrocoma Waterhouse), and in part “‘on figments of the

imagination ’’, and (2) that Bennett’s use in 1829 of the trivial name laniger Molina (in the feminine form lanigera) constituted a perfectly valid selection under Article 31 of the true Chinchilla of Chile (one of the originally included species) to be the species to which the trivial name laniger Molina, 1782, should adhere. Dr. Hershkovitz therefore recommended that the Commission should give a ruling in this sense,

438

International Commission on Zoological Nomenclature.

Continuing, the Acting President said that it’ was evident that the genus Chinchilla Bennett, 1829, was monotypical from Bennett’s standpoint and therefore that under the Reégles the type species was Mus laniger Molina, 1782, the only nominal species referred to the genus by Bennett. The first question which must be cleared up before a decision could be taken on the present case was a taxonomic one, namely whether, in the original description of Mus laniger Molina, 1782, that name was (1) applied to the true Chinchilla of Chile, or (2) was the name of a composite species which included the foregoing species, or (3) applied neither in whole nor in part to that species. On this subject the evidence submitted was conflicting : Prell (1934) considered that this name applied not to the true Chinchilla (of Chile) but to the Chinchilla Rat (at that time known as Abrocoma cuvieri Waterhouse, 1837) ; the late Dr. Osgood did not discuss in his application to the

‘Commission (1947) the species to which he considered

that the trivial name laniger Molina correctly applied, but stated definitely that it did not apply to the true Chinchilla of Chile ; in an earlier paper (1936) he had how- ever (a) rejected the name laniger Molina not only for the true Chinchilla of Chile but also for the Chilean Chinchilla Rat (which he had called Abrocoma bennetti Waterhouse, 1837) ; Hershkovitz (in litt., 24th March, 1948) had con- sidered that Mus laniger Molina, when first published, had been the name of a composite species, which included, inter alia, both the true Chinchilla (of Chile) and the False Chinchilla (= the Chinchilla Rat) but that Bennett, acting under Article 31, had in 1829 definitely restricted this. name to the true Chinchilla. Thus, according to the point of view of the individual systematist, the trivial name laniger Molina, 1782, was either (1) a nomen dubium (Osgood) (2) the oldest available name for the False Chinchilla (Chinchilla Rat) (Prell) or (3) the oldest available name for the true Chinchilla of Chile (Hershkovitz). If Prell’s contention had secured general support from mammalogists (which it had not), the present case would have been simple, for the name Chinchilla Bennett, 1829, would have been the name of a genus based upon a misidentified type species, and, in view of the long-continued confusion of technical and vernacular names ”’ (Osgood, 1947) which would follow the substitution of the Chinchilla Rat (Abrocoma sp.) for the true Chinchilla of Chile as the type species of Chinchilla Bennett, there would have been a strong case for the Commission (acting on the principle laid down in Opinion 168) using their plenary powers to designate as the type species of that genus the true Chinchilla of Chile under whatever was its oldest available name. But Prell’s

14th Meeting, Paris, July, 1948. 439

identification of Mus laniger Molina was contested, though from different points of view, both by Osgood and by Hershkovitz. In these circumstances, it appeared to him (the Acting President) that it would be impossible for the Commission to deal with the question of the type species of the genus Chinchilla Bennett, 1829, until the identity of the species to which the trivial name laniger Molina applied had been determined or at least until the status of that name had been settled. On this question it was desirable to enlarge the field of evidence by obtaining the views of other leading mammalogists. If the consensus of opinion favoured either the view that the name Mus laniger Molina was a nomen dubium or that it applied to the Chinchilla Rat and not to the true Chinchilla of Chile, the way would be cleared for the Commission to suppress that name under their plenary powers to prevent the confusion which would arise, in the first case if the genus Chinchilla Bennett had to be rejected as a nomen dubium (as would happen if its type species were to be unrecognisable), and in the second case, if under the Régles it were found to be necessary to substitute the Chinchilla Rat for the true Chinchilla of Chile as the type species of Chinchilla Bennett. If however the consensus of opinion favoured the view (on taxonomic grounds) that the nominal species Mus laniger Molina, 1782, had originally been a composite species comprising (inter alia) both the true Chinchilla of Chile and also the Chinchilla Rat, it would be necessary for the Commission to determine by what author and where one of the originally included species had been selected under Article 31 to be the species to which the trivial name laniger Molina, 1782, should adhere. On this question it appeared to him (the Acting President) that action such as that by Bennett (1829) in applying the name of a previously published composite nominal species to a single species without indicating in any way that he was conscious of so doing could not at any time have been correctly treated as the selection by that author of the species in question (the true Chinchilla of Chile) to be the species to which the previously published trivial name (laniger Molina) should adhere, for under Articie 31 such a process of selection was governed by the provisions, mutatis mutandis, of Rule (g) in Article 30, which laid it down that the expression “select the type’ was to be “rigidly construed” and that “‘ the mention of a species as an illustration or example did not constitute a selection of a type. However this might be, the decision taken at the meeting noted in the margin to clarify.the meaning of Article 31 certainly ruled out the argument that Bennett had effectively selected the true Chinchilla of Chile to be

440 International Commission on Zoological Nomenclature.

( Previous reference:

Paris Session, 4th Meeting, Conclusion 11)

(Previous reference:

Paris Session, 6th Meeting, Conclusion 38)

the species to which the trivial name laniger Molina, 1782 (if originally published as the trivial name of a composite nominal species) should adhere. If therefore specialists were in general to agree that, as originally published, Mus laniger Molina was a composite species, it would be necessary to re-examine the literature, in order to determine where, and in what manner, the provisions of Article 31 had been effectively applied to that name.

THE COMMISSION :—

(1) agreed that, in view of the provision initially laid

~~

down in Opinions 65 and 168 and now—as agreed upon at the meeting noted in the margin—to be incorporated in the Regles (that the author of a genus is to be assumed to have correctly identified the species referred by him thereto), the type species of the genus Chinchilla Bennett, 1829, was Mus laniger Molina, 1782, the genus being monotypical from Bennett’s standpoint and the above being the only species specifically cited ;

took note that the trivial name laniger Molina, 1782 (as published in the binominal combination Mus laniger) was variously regarded by specialists (a) as a nomen dubium, (b) as the oldest available name for the true Chinchilla of Chile (i.e. the species named or renamed Chinchilla velligera by Prell in 1934), and (c) as the oldest available name for the False Chinchilla or Chinchilla Rat (i.e. the species commonly referred to the genus Abrocoma Waterhouse, 1837, to which the trivial names bennett: and cuviert had been given by that author at the time when he first published the generic name Abrocoma) ;

agreed that, before a decision could be taken on the question whether the use of their plenary powers was necessary to prevent the confusion in technical and vernacular names which would arise if, under the Régles, it were to be necessary to substitute the Chinchilla Rat (bennett: Water- house, 1837) for the true Chinchilla of Chile (velligera Prell) as the type species of the genus Chinchilla Bennett, 1829, it was essential to determine the identity of the species to which the trivial name laniger Molina, 1782 (as published in the binominal combination Mus laniger) should be applied ;

(4) in view of (3) above, invited the Secretary to the

Commission to confer with interested specialists

(Previous reference: Paris Session,

4th Meeting, Conclusion 11)

Aturoidea ”,

a term applied by Vredenberg (1925) to a section of the genus

Nautilus Linnaeus, 1758 (Class Cephalopoda, Order Nautiloidea) : declared to be of sub-generic status as from date of being so published

14th Meeting, Paris, July, 1948. 441

with a view to ascertaining as rapidly as possible (a) their views on the alternative interpretations of the trivial name laniger Molina, 1782, specified in (2) above, and (b) in so far as specialists regarded the above name as having been applied to a composite species at the time when it was published, their views on the question of the occasion (if any) on which a later author, acting under Article 31 of the Régles, had definitely selected one of the originally included species to be the species to which the foregoing trivial name

should adhere ;

(5) agreed to defer further consideration of the application in regard to the identity of the type species of the genus Chinchilla Bennett, 1729, submitted by the late Dr. Wilfred H. Osgood until the information asked for in (4) above was available

9. THE COMMISSION had under consideration an application (file Z.N.(S.)139) submitted by Dr. Otto Haas (at that time of the British Museum (Natural History), London) asking for a ruling on the question whether the term Aturoidea introduced by Vredenberg (1925) as the name for a section of the genus Nautilus Linnaeus, 1758 (Class Cephalopoda, Order Nautiloidea) was to be accepted as of subgeneric status as from the date of being so published (Haas, 1947, Bull. zool. Nomencl. 1 : 243-244). It was explained in the application that two years after the publication by Vredenberg of the term Aturoidea (i.e. in 1927) Spath had published the sub-generic name Paraturia for the same group. If Vredenberg’s Aturoidea could properly be accepted as from 1925, the date when it was published, the name would take precedence over Paraturia Spath, 1927. If, on the other hand, Aturoidea could not properly be accepted as having been published in 1925 as a subgeneric name, the name Paraturia Spath, 1927, instead of being a synonym, would be a valid name. Cotter (1928), when editing Vredenberg’s manuscripts in preparation for the publication of a posthumous volume, had first rejected the claims of Aturoidea to be a subgeneric name as from Vredenberg, 1925, and had therefore accepted as available the name Paraturia Spath, 1927, but later (in the same volume) he had changed his mind, accepting Aturoidea Vredenberg as an available name as from 1925 and accordingly sinking Paraturia Spath, 1927, as a synonym. This latter view was accepted by Spath himself (1929), and by Schenk (1931) and Miller and Thompson

442

International Commission on Zoological Nomenclature.

(1933, 1935). Dr. Haas, on the other hand, was doubtful whether Vredenberg had in fact intended to establish a new subgenus, partly because he applied the term section ”’ to the word Aturoidea and partly because of the form of the termination (-oidea) selected by that author in constructing the term Aturoidea.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the present application had been considered by the members of the Joint Committee on Zoological Nomenclature for Paleontology in America, but no vote thereon had been taken by the Committee as a whole. From the individual comments so obtained it appeared that the general feeling of the Committee was in favour of the International Commission being asked to give a clear-cut ruling regarding the status to be accorded to names proposed for sections. On the general question of the desirability of accepting such names (and in particular whether the name Aturoidea Vredenberg, 1925, should be accepted), opinion in the Committee seemed to be divided : two members (Wells, Cooper) favouring the rejection of section names, and four (Reeside, Simpson, Palmer and Frizzell) supporting their recognition, the remaining five members taking no definite stand beyond supporting the request for a ruling from the International Commission.

IT WAS STATED in the discussion of this case that the present was no mere isolated example ; many similar cases were to be found in the literature of different parts of the Animal Kingdom ; in some instances the original author had applied the expression section ’’ (or a corresponding expression) in connection with terms used in this way, but in many other instances there was nothing to show the precise intention of the author in introducing the expression concerned. In these circumstances it would be impossible to devise a rule, even were such desirable, to determine when in such cases a term so introduced was to he accepted as having status as a subgeneric name as from the date of being so published and when it should not. The only safe course, in this as in other similar cases, was for the Reégles to rely not upon the alleged intentions of an author but upon the objective evidence provided by what he actually published. If an author published for a group of species within a single genus a term consisting of a Latin or latinised word in the nominative singular or, if the word so published was not a classical Latin word, a word having a termination consistent with its being regarded as a word in the nominative singular, that word should be accepted as having been published by the author concerned as a subgeneric name. It was desirable that this should be made clear in the Reégles; the instance submitted by Dr. Haas

14th Meeting, Paris, J uly, 1948, 443

might usefully be cited as an example of the proposition so laid down. THE COMMISSION agreed to recommend :-— that words should be inserted in the Reégles to make it clear that, where an author applied to a group or to each of a number of groups of species within a given genus a term consisting of a Latin or latinised word in the nominative singular or, if the word selected was not a classical Latin word, a word having a termination consistent with its being in the nominative singular, the word so published was to be treated as having status as a subgeneric name as from the date of such publication irrespective of whether the author in using ‘such a term expressly qualified it by the expression section or its equivalent, and that the following example should be inserted at the close of the fore. going provision: the term Aturoidea published by Vredenberg (1925) as the name of a section of the genus Nautilus Linnaeus, 1758, bemg a word having a termination consistent with its being a latinised noun in the nominative singular, ranks as a subgeneric name as from Vredenberg, 1925, and accordingly has priority over Paraturia Spath, 1927, expressly published as the name of a subgenus containing the same group of

species,

Bradycellus 10. THE COMMISSION had under consideration :-— Erichson, 1837 :

(Class Insecta, (a) a paper by Mr. H. E. Andrewes (Leicester, Order Coleoptera) England) (file Z.N.(S.)158) expressing the opinion eS tepeatel ar that confusion would arise if Harpalus placidus consideration Gyll., 1827, were to be accepted as the type species peaeened for of the genus Bradycellus Erichson, 1837 (Class ie tis Taree Insecta, Order Coleoptera) in accordance with the obtained selection by Westwood (1838) and Hope (1838),

and expressing the hope that, in order to avoid this confusion, the International Commission would set aside the foregoing type selections under- their plenary powers and designate Carabus collaris Paykull, 1798, to be type species of this genus (Andrewes, 1947, Bull. zool. Nomencl., 1: 245) ;

a paper by Sir Guy Marshall (formerly Director of the Imperial Institute of Entomology, London), Mr. H. E. Andrewes (Leicester, England), Professor W. A. F. Balfour-Browne (formerly Professor of Entomology, Imperial College of Science and Technology, London), Dr. K. G. Blair (British Museum (Natural History), London) and Mr. M. Cameron (British Museum (Natural History), Zoological Museum, Tring) supporting

(b

444

International Commission on Zoological Nomenclature.

the conclusions reached by Mr. Andrewes (see (a) above) and endorsing his recommendation that the plenary powers should be used in the manner proposed (Marshall, Andrewes, Balfour-Browne, Blair & Cameron, 1947, Bull. zool. Nomencel., 1: 246-247).

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said the present was the first of a series of recom- mendations relating to generic names in the family CARABIDAE prepared by the Coleoptera Sub-Committee of the Committee on Generic Nomenclature of the Royal Entomological Society of London, by which body these recommendations had been submitted to the Commission. The only objection which had been lodged in the present case, which had been received from Dr. Richard Blackwelder (United States National Museum, Washington, D.C.) was concerned not so much with the substance of the application as with its form, Dr. Blackwelder taking the view that the data submitted with the application were not sufficient to justify the use of the plenary powers.

IN DISCUSSION the view was expressed that it would be advisable in the present case to ask the Royal Entomo- logical Society of London to furnish a supplementary state- ment dealing especially with the question of the extent to which confusion might be expected if the plenary powers were not used in this case.

THE COMMISSION agreed :—

(1) that the information in their possession on the question whether the strict application of the Regles in the case of the name Bradycellus Erichson, 1837 (Class Insecta, Order Coleoptera) would lead to greater confusion than uniformity was not sufficient to show whether in this case the plenary powers should be used in the manner proposed ;

(2) to notify the foregoing conclusion to the Royal Entomological Society of London and at the same time to ask for a supplementary statement setting out the nature and extent of the confusion appre- hended by the Society if the Régles were strictly applied in the case referred to in (1) above ;

to defer taking a decision on the foregoing case until the supplementary statement, asked for in (2) above, was available.

oo ~—

Carabus Linnaeus, 1758 ass Insecta,

Order Coleoptera) :

designation of type species of, under the plenary powers

(Previous reference: Paris Session,

14th Meeting, Conclusion 10)

(Previous reference: Paris Session,

12th Meeting, Conclusion 13)

14th Meeting, Paris, July, 1498, 445

11. THE COMMISSION had under consideration

(a) an application (file Z.N.(S.)158) submitted by Mr. H. E. Andrewes (Leicester, England) that the plenary powers should be used to set aside the action of Curtis (1833) and Westwood (1838) in selecting Carabus violaceus Linnaeus, 1758, as the type species of the genus Carabus Linnaeus, 1758 (Class Insecta, Order Coleoptera), and that in place of that species Carabus granulatus Linnaeus, 1758, should be designated as the type species of the foregoing genus (Andrewes, 1947, Bull. zool. Nomencl., 1: 247) ;

(b

a paper by Sir Guy Marshall (formerly Director of the Imperial Institute of Entomology, London), Mr. H. EF, Andrewes (Leicester, England), Professor W. A. F. Balfour-Browne (formerly Professor of Entomology, Imperial College of Science and Technology, London), Dr. K. G. Blair (British Museum (Natural History), London) and Mr. M. Cameron (British Museum (Natural History), Zoological Museum, Tring), Supporting and elaborating the proposal submitted by Mr. H. E. Andrewes (see (a) above) (Marshall, Andrewes, Balfour-Browne, Blair & Cameron, 1947, Bull. zool. Nomencl., 1 : 248),

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that the only objection which had been lodged against the action proposed in this case was similar to, and came from the same source as, the objection which the Commission had just considered in the case of the name Bradycellus Erichson, 1837. The Commission would no doubt give due weight to the objection so advanced. In his (the Acting President’s) opinion, it was necessary, however, to bear in mind that the genus Carabus Linnaeus was one of the best known of all the genera in the Class Insecta ; in consequence this generic name fell in the class of names, to applications regarding which (as had been agreed at the

‘meeting noted in the margin) the Commission should give

special consideration with a view to securing, inter alia, that long-forgotten or long-ignored type selections should not be permitted to introduce instability by disturbing current nomenclatorial practice. In this case, therefore, his recommendation: was that the Commission should use their plenary powers to grant the desired relief.

GENERAL AGREEMENT was expressed with the views expressed by the Acting President,

446 International Commission on Zoological Nomenclature.

THE COMMISSION agreed :— (1) to use their plenary powers :—

(a) to set aside all selections of the type species of the genus Carabus Linnaeus, 1758 (Class

PU RCH ASED Insecta, Order Coleoptera) made previous to 26 JUN sab

the present decision ;

(b) to designate Carabus granulatus Linnaeus, 1758, to be the type species of the foregoing genus ; ,

(2) to place the generic name Carabus Linnaeus, 1758, with the type species specified in (1)(b) above, on the ‘‘ Official List of Generic Names in Zoology ”’ ;

(3) to place the trivial name granulatus Linnaeus, 1758 (as published in the binominal combination Carabus granulatus) on the Official List of Specific Trivial Names in Zoology ;

(4) to render an Opinion recording the decisions specified in (1) to (3) above.

Harpalus” 12. THE COMMISSION had under consideration the .

Latreille [1802-1803] : ae : . : and“ Ophonis” undermentioned applications concerning generic names In

Stephens, 1827, the Order Coleoptera (Class Insecta) (file Z.N.(S.)158) sub- “Lebia” Latreille mitted (i) by Mr. H. E. Andrewes (Leicester, England) and

tar: (ii) by Sir Guy Marshall (formerly Director of the Imperial

1828, and Trechus” Institute of Entomology, London), Mr. H. E. Andrewes

Schellenberg, 1806 (Leicester, England), Professor W. A. F. Balfour-Browne

Rae Caleoseris (formerly Professor of Entomology, Imperial College of

(application for Science and Technology, London), Dr. K. G. Blair (British the use of the Museum (Natural History), London) and Mr. M. Cameron

fa Chae levee (British Museum (Natural History), Zoological Museum,

postponed for Tring) requesting the Commission to use its plenary additional owers :-—

information tobe —P

(a) (i) to set aside the selection by Latreille (1810) of

Carabus ruficornis Fabricius, 1775, as the type species of Harpalus Latreille [1802-1803], and to designate in the place of that species Carabus aeneus Fabricius, 1775, to be the type species of the foregoing genus, and (ii) to set aside the selection by Curtis (1827) of Carabus germanus Linnaeus, 1758, as the type species of Ophonus Stephens, 1827, and to designate in the place of that species Carabus obscurus Fabricius, 1792, to be the type species of Ophonus Stephens, 1827 (Andrewes, 1947, Bull. zool. Nomencl.,1: 249 ; Marshall, Andrewes, Balfour-Browne, Blair & Cameron, 1947, ibid., 1: 250-251) ;

THANKS TO U.N.E.S.C.O.

The International Trust for Zoological Nomenclature, on behalf of the International Commission on Zoological Nomenclature, have great pleasure in expressing their grateful thanks to the UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ~ ORGANISATION (U.N.E.S.C.O.) for the financial assistance afforded towards the cost of producing the present volume.

BULLETIN OF ZOOLOGICAL NOMENCLATURE

Notice to subscribers regarding the arrangements made for the completion of volume 1 and for the publication of volumes 2, 3, 4 and 5

The following arrangements have been made for completing volume 1 of the Bulletin of Zoological Nomenclature and for the publication of volumes 2, 3, 4.and 5 :—

Volume 1: A concluding Part (Part 12), containing, inter alia, the Title Page, Table of Contents, and alphabetical subject index, will be published shortly.

Volume 2: This volume, like Volume 1, will be devoted to the publica- tion of applications in regard to nomenclatorial problems submitted by specialists to the International Commission on Zoological Nomen- clature for decision. Publication will commence at an early date.

Volume 3: This volume, which is now complete in 9 Parts, is devoted to the publication of the memoranda, reports and other docu- ments considered by the International Commission on Zoological Nomenclature and by the Section on Nomenclature ofthe Thirteenth International Congress of Zoology at their meetings held in Paris in July 1948.

Volume 4: This volume is devoted to the publication of the Official © Record of Proceedings of the International Commission on Zoological Nomenclature at its Session held in Paris in fuly 1948. Twenty-one Parts have been published and this volume is now complete except for the index which will be published in a concluding Part.

Volume 5: At the request of the Bureau of the Thirteenth International Congress of Zoology, this volume will be devoted to the publication of the Official Record of Proceedings of the Section on Nomenclature of the Thirteenth International Congress of Zoology, Paris, Fuly 1948, together with the Reports submitted to the Congress by the Inter- national Commission on Zoological Nomenclature and the Section on Nomenclature.

INQUIRIES : acs

All inquiries regarding publications should be addressed to the International Trust for Zoological Nomenclature, and all inquiries regarding the scientific work of the Commission to the Secretary to the Commission at the following addresses :—

International Trust for Zoological Nomenclature: 41, Queen’s Gate, London, S.W.7, England.

International Commission on Zoological Nomenclature: Secretariat the Commission, 28 Park Village East, Regent’s Park, London, N.W.1, Engl

PRR SP SN SP Se Cpe Printed in Great Britain by Mercuim AND Son, Ltp., Westminster London

VOLUME 4. Parts 16/18 9th June, 1950 pp. 447—542.

THE BULLETIN OF ZOOLOGICAL PURCHASEINOMENCLATUR

66 JUN Tob

The Official Organ of Tae Po THE INTERNATIONAL COMMISSION ON ___ # .ZO0OLOGICAL NOMENCLATURE

8 “* <ower

. Edited by

FRANCIS HEMMING, C.M.G., C.B.E.

Secretary to the International Commission on Zoological Nomenclature.

Net a

CONTENTS :

The Official Record of Proceedings of the International Commission Page ae on Zoological Nomenclature at its Session held in Parts in Fuly oa 1948 :

Conclusions of Fourteenth Meeting (second instalment) 447—542

LONDON :

Printed by Order of the International Commission on Zoological Nomenclature on instructions received from the Thirteenth International Congress of Zoology, Paris, 1948, and Sold on behalf of the International Commission by the International Trust for Zoological Nomenclature at the Publications Office of the Trust 41, Queen’s Gate, London, S.W.7.

1950 Price One pound, eight shillings. (All rights reserved)

ES, yt aoe Se <a 3 eo a ~ a “a >

ig

(For the rule under . which a trivial name such as‘ 4-maculatus”” is to be transliterated as “‘ quattuor- maculatus,’ see Paris Session, 7th Meeting, Conclusion 10)

(Previous reference: Paris Session, 14th Meeting,

_ Conclusion 10)

VoL. 4A

14th Meeting, Paris, J uly, 1948. 447

(b) to set aside the selection by Latreille (1810) of

Carabus 4-maculatus Fab.” (=Carabus quattuor- maculatus Linnaeus, 1758) as the type species of the genus Lebia Latreille [1802-1803], and to designate in the place of that species Buprestis marginatus Fourcroy, 1785, to be the type species of the fore- going genus (Andrewes, 1947, Bull. zool. Nomencl., 1: 251-252; Marshall, Andrewes, Balfour-Browne, Blair & Cameron, 1947, abid., 1: 252-253) ;

(c) to set aside the. selection by Westwood (1838) of

Bembidium obtusum Sturm, 1825, as the type species of the genus Tachys Stephens, 1828, and to designate in the place of that species Tach ys scutellaris

. Stephens, 1828, to be the type species of the fore-

going genus (Andrewes, 1947, Bull. zool. Nomencl., 1: 253; Marshall, Andrewes, Balfour-Browne, Blair & Cameron, 1947, ibid., 1: 254) ;

) to set aside the selection by Latreille (1810) of

Trechus meridianus Clairv.” (= Carabus meridianus Linnaeus, 1761) as the type species of the genus Trechus Schellenberg, 1806, and to designate in the place of that species Carabus quadristriatus Schrank, 1781, to be the type species of the foregoing genus (Andrewes, 1947, Bull. zool. Nomencl., 1: 255; Marshall, Andrewes, Balfour-Browne, Blair & Cameron, 1947, ibid., 1: 256.)

In discussion the view was expressed that it was desirable

to seek additional information in regard to these applications in the same way as had been agreed upon in the case of the name Bradycellus Erichson, 1837, which the Commission had considered a few minutes earlier.

THE COMMISSION agreed :-—

(1) that the information in their possession on the question whether the strict application of the Reégles in the case of the undermentioned names of genera in the Order Coleoptera (Class Insecta) would lead to greater confusion than uniformity

- Was not sufficient to show whether in these cases the plenary powers should be used in the manner proposed :—

Harpalus Latreille [1802-1803] and Ophonus Stephens, 1827

Lebia Latreille [1802-1803]

Tachys Stephens, 1828

Trechus Schellenberg, 1806 ;

448

Part 11 of Volume 1

of the Bulletin of Zoological Nomenclature : applications published in, to

be considered in turn

(Previous reference: Paris Session,

13th Meeting, Conclusion 15)

Dinornis novae- zealandiae Owen, 1842 (Class Aves, Order Dinorni- formes): deter-~ mination of lectotype of, under Article 31

International Commission on Zoological Nomenclature.

(2) to notify the foregoing conclusion to the Royal Entomological Society of London (through which the foregoing applications had been submitted to the Commission) and at the same time to ask for supplementary statements setting out, for each of the names concerned, the nature and extent of the confusion apprehended by the Society if the Régles were strictly applied in relation to the names specified in (1) above ;

to defer taking decisions on the applications referred to above, until the supplementary state-

ments, asked for in (2) above, were severally available.

go ~—

13. THE COMMISSION. had before them Part 11 of Volume 1 of the Bulletin of Zoological Nomenclature con-

taining 21 papers relating to 18 individual problems of nomenclature.

THE COMMISSION :—

(1) took note that two of the papers published in Part 11 of Volume 1 of the Bulletin of Zoological Nomenclature (i.e. the papers relating to the generic name Coriva Geoffroy, 1762) had already been considered at the meeting noted in the margin when the Commission had examined the question of the availability of generic names published in Geoffroy, 1762, Hist. abrég. Ins. Env. Pars;

agreed to examine, in turn, each of the remaining 17 applications, 19 papers relating to which had been published in the foregoing Part of the Bulletin.

14. THE COMMISSION had under consideration an application (file Z.N.(S.)136) submitted by Dr. Gilbert Archey (Auckland Institute and Museum, New Zealand) and Dr. R. 8. Allan (Canterbury University College, Christchurch, New Zealand) asking for-a ruling on the identity of the type species of the nominal species Dinornis novaezealandiae Owen, 1843 (Class Aves, Order Dinornithi- formes), having regard to the fact that Owen did not designate a type specimen for this species and that of his three syntypes, one, the tarso-metatarsus (m3), had later (1844) been designated by Owen as the holotype of Dinorms struthoides while another, the tibio-tarsus (t2), had at the same time been designated as the holotype of another new nominal species, Dinornis ingens Owen (Archey & Allan, 1947, Bull. zool. Nomencl.,1: 257). The applicants

(Previous reference: Paris Session,

4th Meeting, Conclusion 11)

VOL, 4 42

14th M. eeting, Paris, J uly, 1948, 449

which later had been designated as the holotype of Dinornis ingens Owen, 1844, or if they were to rule that it was the specimen (the femur (f12) ), which alone of the original

Session, it might have been difficult to answer the question

decision taken at the meeting noted in the margin that Article 31 (applying to type specimens of species the provisions of Article 30 in regard to the type Species of

incorporated in the Régles) (that an author, acting under Rule (g) in Article 30, could, if he go desired, select as the type species of a genus a species which was already the. type species of another genus) applied also in the field of

another. It was clear therefore that the first selection of a lectotype for the Species originally described as Dinornis

and the holotype of the species bearing the later published of the names in question.

THE COMMISSION agreed :—

(1) that Lydekker ( 1891) did not act in contravention of Article 31 when he selected from among the three syntypes of the nominal species Dinornis

450 International Commassion on Zoological Nomenclature.

(For the decisions that Article 15 should be amended to require that a compound trivial name should be written as a single word and that names published in contravention of that Article should automatically be corrected, see Paris Session, 7th Meeting, Conclusion 9, and

4th Meetng, Conclusion 5, respectively)

Martin (W.), 1793 “Fig. Descr. Petrif. Derbyshire”, and 1803, Petrificata Derbiensia”, declared not available for nomenclatorial purposes

novaezealandiae Owen, 1843, the tibio-tarsus (t2)

. to be the lectotype of that species and conse- quently the foregoing lectotype selection, being the first to have been made under Article 31, was valid under the Regles;

bo

Owen, 1844 (published in the binominal combina- tion Dinornis ingens), being the trivial name of a nominal species of which the specimen referred to in (1) above was the holotype, was an objective synonym of the older trivial name novaezealandiae Owen, 1843 ;

to place the undermentioned trivial names on the “Official List of Specific Trivial Names in Zoology :—

(3

~~

novaezealandiae Owen, 1843 (as published in the binominal combination Dinornis novaezea- landiae), determined in the manner specified in (1) above ; struthoides Owen, 1844 (as published in the binominal combination Dinornis struthoides) ; (4) to place the trivial name ingens Owen, 1844 (as published in the binominal combination Dinornis ungens), on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology

(5) to render an Opinion recording the decisions specified in (1) to (4) above.

°

15. THE COMMISSION had under consideration an application (file Z.N.(S.)147), submitted by Dr. J. Brookes Knight (United States National Museum, Washington, D.C.) asking for a ruling on the question of the availability of names first published in two works by W. Martin: (1) that author’s Figures and Descriptions of Petrifactions collected in Derbyshire, published in 1793; (2) his Petrificata Derbiensia; or Figures and descriptions of Petri- factions collected in Derbyshire, published in 1809 (Knight, 1947, Bull. zool. Nomencl.,1: 260). By way of illustration of the type of nomenclature employed by Martin in these works Dr. Knight had submitted the following examples : (1) CONCHYLIOLITHUS (catillus) HELICIS which appeared in Martin’s Fig. Deser. Petrif. Derbyshire of 1793, as regards which Dr. Knight had stated that it was clear from the discussion given (in English) that Martin did not regard Conchyliolithus as a name, looking upon it merely as a designation for fossil shells, for in the above case he

that, in view of (1) above, the trivial name ingens

i

(Previous reference:

Paris Session, 4th Meeting, Conclusion 3)

14th Meeting, Paris, July, 1948. 451

used the expression a fossil shell, of the genus Helix” in connection with the species to which he had applied the trinominal designation quoted above ; (2) Conchyliolithus Anomites productus” and Conchyliolithus Nautilites Ammonites listeri,’ which appeared in Martin’s Petrificata Derlnensia of 1809.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that it was impossible to argue that the expressions quoted by Dr. Knight were examples of bi- nominal nomenclature and therefore to claim that in the two works in question Martin had appliqué les principes de la nomenclature binominale as was now required by Proviso (b) to Article 25. There was, therefore, in his view, no doubt but that both the foregoing works by Martin should be rejected for nomenclatorial purposes, the new “names published therein not complying with the require- ments of Proviso (b) to Article 25. According to the information submitted by Dr. Knight, a decision in the foregoing sense would do no more than confirm the existing practice of specialists, so far as Martin’s so-called generic names were concerned, these having been universally ignored.” Dr. Knight had added, however, that later authors had almost universally adopted the so-called “trivial names’? employed by Martin in the later of the two works in question, namely the Petrificata Derbiensia of 1809. It was not clear whether the rejection of the Petrificata Derbiensia of 1809 as unavailable for nomen- clatorial purposes would give rise to confusion in the field of trivial names (as well as preventing such confusion in the field of generic names), for where a work had to be rejected in this way, it was commonly found that the next author to use one of the trivial names so rejected (who in such cir- cumstances became for nomenclatorial purposes the author of the name) had used the name in the same sense as the author whose use of the name had been rejected. Normally, in such circumstances the name continued to be the name for the species to which it had been originally applied, although now attributed to a later author and ranking for purposes of priority from a later date. Only when the name in its new priority was antedated by some other name published in the meantime by some other author or when, through the action of another author, the name had become a homonym, would a name, when so republished by a later author, cease to be the available name for the species in question. It was to be hoped that examination of the literature would show that the majority of the trivial names in question were &still the oldest available names for the species to which they had been applied by

452 International Commission on Zoological Nomenclature.

Twelve generic names in the Order Lepidoptera (Class Insecta) published in 1807 by Fabricius and Illiger in different senses : suppression under the plenary powers of the names so

published by Illiger

Martin, even if they had now to be attributed to different authors and to later dates. In so far as this was not the case, it would still be open to specialists to apply to the Commission for the validation of any given trivial name as from its use by Martin in 1809, if they were satisfied that otherwise confusion would ensue. The Acting

President added that the present case had been advertised _

as a.case in which it might be desired to use the plenary powers of the Commission, but, for the reasons which he had explained, there was, in his opinion, no reason for the adoption of such a course.

THE COMMISSION agreed :—

(1) that in the undermentioned works Martin (W.) did not apply the “principes de la nomenclature binominale ”’ as required by Proviso (b) to Article 25 and that therefore no name, whether an apparent generic name or an apparent trivial name, published in either of these works possessed any availability under the Regles as from the date of being so published :—

(a) Martin, 1793, Figures and Descriptions of Petrifactions collected in Derbyshire;

(b) Martin, 1809, Petrificata Derbiensia: or Figures and Descriptions of Petrifactions collected in Derbyshire;

(2) to give sympathetic consideration to any applica- tion which might be submitted” by interested specialists for the validation as from Martin, 1809, of any trivial name first published by that author in his Petrificata derbiensia where that name was in general use for a common species and it could be shown that under (1) above it would be necessary to change the name of that species and that such change would lead to confusion in nomenclature ;

(3) to render an Opinion recording the decisions specified in (1) and (2) above.

16. THE COMMISSION had under consideration an application (file Z.N.(S.)148) submitted by Commissioner Francis Hemming (United Kingdom), in regard to the relative priority to be assigned to certain generic names in the Order Lepidoptera (Class Insecta) which had been published in 1807 independently by Fabricius and Illiger respectively, by whom they had been applied in very different senses (Hemming, 1947, Bull. zool. Nomenel., 1 ; 261-269).

( Previous reference: Paris Session,

12th Meeting, Conclusion 14)

14th Meeting, Paris, J uly, 1948, 453

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the present application, which had been submitted by himself as a specialist in the Order Lepidoptera, was designed solely to remove doubts regarding the priority to be assigned to 12 generic names which were known to have been published in different senses in the Same year (1807) but of which the relative dates of publica- tion were unknown and would probably always remain so. Each of the names in question had been published by Fabricius in the well-known paper (in volume 6 of Illiger’s Magazin fur I nsektenkunde) in which he had broken ground as the first author to attempt a substantial generic classifica- tion of the Sub-Order Rhopalocera. With one exception (Thymele), each of these hames, as published by Fabricius, was today in universal use, nine for genera of the Sub-Order Rhopalocera and two for genera of the Sub-Order Heterocera (for groups which Fabricius had mistakenly considered to be butterflies), On 19th December, 1807, the same names had been published anonymously by Tlliger in a review of the first 34 plates of Jacob Hiibner’s Sammlung exotischer Schmetterlinge, Ag published by Illiger, these generic names applied to species entirely different from those assigned to the genera in question by Fabricius, although Illiger, in publishing these names, claimed to be applying the Fabrician nomenclature. In a number of cases (as he had shown in his application) the greatest possible confusion would arise if it were hecessary to use these names in the sense employed by Illiger instead of in that employed by Fabricius, “He accordingly asked the Commission to remove the cause of confusion which would arise if it were necessary to use these Fabrician names as published by TIlliger by suppressing them for nomenclatorial purposes. The use of the plenary powers in this case was necessary, not because the strict application of the Régles would lead to confusion, but because of the

454 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session,

9th Meeting, Conclusion 42)

paper at the meeting noted in the margin, any doubt as to the scope of the plenary powers in this matter had now been removed. No objection of any kind had been brought forward against the present proposal and he felt sure that all lepidopterists would welcome the action proposed. The Acting President added that, in preparing the present application, he had followed strictly the interpretation of the expression “indication ”’ given by the Commission in Opinion | and had accordingly rejected as unavailable four names which, under the liberalisation of this aspect of Article 25 that had been agreed upon during the present Session were now available names. In the circumstances he asked that the decision now to be taken should cover not only the eight generic names specified in paragraph 21(ii) of the application submitted to the Commission, but also to the four names (Brassolis, Huploea, Mechanitis, Thymele) which (as already explained) he had previously rejected (paragraph 8) as invalid, but which were now available names. Turning to the question of the addition to the Official List of Generic Names in Zoology of the corresponding names as published by Fabricius in 1807, the Acting President asked that of these names the following seven should now be placed on the foregoing Official List :—Apatura; Brassolis; Castnia; Emesis; Mechan- iis; Neptis; Urania. Four of the remaining Fabrician names (Huploea, Helicopis, Nymphidium, Pontia) had already been placed on the Official List’ before the bibliographical problem which had given rise to the present application had been discovered. The Acting President recommended that the position of these names on the Official List” should be confirmed. The twelfth of the Fabrician generic names in question (Thymele Fabricius, 1807) was invalid, having as its type species the same species (Papilio tages Linnaeus, 1758) as the earlier genus Erynnis Schrank, 1801, and should therefore now be placed on the Official Index of Rejected and Invalid Generic Names in Zoology.” The Acting President then pointed out that the trivial names of the type species of the four genera, the position of the names of which on the Official List of Generic Names in Zoology should, he had recom- mended, now be confirmed, were all available.names and, under the decision taken at the meeting noted in the margin, would therefore now be placed on the Official List of Specific Trivial Names in Zoology.” Of the five names of

genera belonging to the Sub-Order Rhopalocera which he

had recommended should be added to the Official List of Generic Names in Zoology,” three (Apatura, Brassolis, Mechanitis) possessed as their type species nominal species, the names of which were the oldest available names for the

(Later reference: Paris Session, 14th Meeting, Conclusion 39)

(Previous reference:

Paris Session, 9th Meeting, Conclusion 42)

14th Meeting, Paris, July, 1948, 455

species concerned ; he recommended therefore that the trivial names of these species should be added to the Official List of Specific Trivial Names,” In the case of the genus Apatwra Fabricius, there was a doubt, as between two closely allied and certainly congeneric species, as to the species to which the trivial name of the type species was applicable, but, as proposals for the clarification of this doubt would be brought before the Commission later during the present meeting, there was no reason why the trivial name in question (iris Linnaeus, 1758, as published in the binominal combination Papilio iris) should not now be placed on the Official List.” There were slight complica- tions in the case of the trivial names of the nominal species which were the type species of the two remaining genera : (1) The type species of Neptis Fabricius, 1807, had for its trivial name aceris Esper [1783] (published in the binominal combination Papilio aceris); this name was the oldest available name for the European insect so named, but that insect was commonly regarded as being a subspecies of the Asiatic species originally named Papilio hylas by Linnaeus in 1758; (2) The nominal Species which was the type species of Hmesis Fabricius was Papilio ovidius Fabricius, 1793, which was regarded by specialists as a synonym of the nominal species Papilio cereus Linnaeus, 1767. In accord- ance with the principle agreed upon at the meeting noted in the margin at the time when the Official List of Trivial Names had been established, it would be desirable in the first of these cases to place on the List the trivial name both of the nominal species which was the type species of the genus concerned (N. eptis Fabricius) and also the trivial name of the species of which it was regarded as a subspecies, while in the second case the trivial name of the’ nominal Species which was the type species of the genus in question (Emesis Fabricius) should not be placed on the List but the trivial name of the nominal species (cereus Linnaeus) of which the type species (ourdius Fabricius) was regarded as a synonym should be so placed. The Acting President added that, while he had obtained the support of Mr. N. D. Riley and Mr. W. H. T. Tams (British Museum (Natural History) ) for the proposed addition to the Official List of Generic Names” of the two names of genera of the Sub-Order Heterocera (Castnia, Urania), he had not at that time considered the question of the oldest available names for the type species of those genera, there having been no need to do so, the Official List of Specific Trivial Names not then having been in existence. In the case of the type species of the first of these genera, there was, he knew, a difficult underlying problem of the relative prece- dence to be accorded to certain books published on unknown

456 International Commission on Zoological Nomenclature.

dates in the same year (1775), on which a decision would first have to be taken by the Commission as a question of principle. The books concerned: were: (1) volume 1 of Cramer’s Uitlandsche Kapellen (in which Papilio icarus, the name of the type species of the genus Castmia Fabricius, was first published) ; (2) a paper entitled Anmerkungen zu den

- Hufnagelischen Tabellen der Schmetterlinge by von Rottemburg published in volume 6 of the journal Natur- forscher; (3) the anonymous work Ankundigung eines systematischen Werkes von den Schmetterlingen der Wiener Gegend (the so-called Wiener Verzeichniss) by Schiffer- miiller & Denis; (4) the Systema Entomoligiae of Fabricius. In the circumstances, he proposed that the Commission should agree to place on the Official List’ whatever might ultimately be found to be the oldest available trivial names for the type species of these genera.

THE COMMISSION agreed :-—

(1) to use their plenary powers, in so far as that might be necessary :—

(a) to suppress for the purposes of Articles 25 and 34 the undermentioned generic names published in the issue of 19th December, 1807, of the Allgemeine-Lateratur Zeitung, Halle [Jena] in an anonymous review by Illiger of the first 34 plates of Jacob Hiibner’s Sammlung exotischer Schmetterlinge to have been published :—

Apatura [Illiger], 1807. Brassolis [Iliger], 1807. Castnea [Illiger], 1807. Emesis [Illiger], 1807. Euploea [Illiger], 1807. Helicopis [Illiger], 1807. Mechanatis [Illiger], 1807. Neptis [Illiger], 1807. Nymphidium [Mliger], 1807. Pontia [Illiger], 1807. * Thymele [Illiger], 1807. Urama [Illiger], 1807.

(b) to render available under ‘Articles 25 and 34 all the generic names specified abaye other than Thymele, as published by Fabricius in 1807 in Volume 6 of Illiger’s - Magazin fur Naturkunde ; (2) to place on the Official Index of Rejected and

Invalid Generic Names in Zoology ”’ the 12 generic names specified in (1) (a) above ;

14th Meeting, Paris, July, 1948. 457

(3) to place the undermentioned generic names, with the type species severally specified below, on the Official List of Generic Names in Zoology :—

Name of genus Type species of genus specified in Col. (1) (1) (2)

Apatura Fabricius, Papilio iris Linnaeus, 1758

1807 (type species selected by Curtis, 1831).

Brassolis Fabricius, Papilio sophorae Linnaeus,

1807 1758 (type species selec-

ted by Blanchard, 1840)

Castnia Fabricius, Papilio icarus Cramer,

1807 . [1775] (type species selected by Latreille,

1810) Emesis Fabricius, H. esperva ovidius Fabricius, 1807 1793 [=Papilio cereus

Linnaeus, 1767] (type species selected by West- wood, [1851]) Mechanitis Papilio polymnia Fabricius, 1807 Linnaeus, 1758 (type Species selected by Scudder, 1875). Neptis Fabricius, Papilio aceris Esper [1783] 1807 [=Papilio hylas Lin- naeus, 1758, ssp.] (type species selected by Croteh, 1872). Urama Fabricius, Papilio leilus Linnaeus, 1807 1758 (type species selec- : ted by Latreille, 1810) ; (4) to confirm the entries on the Official List of Generic Names in Zoology relating to the under- mentioned generic names, with the type species severally specified below :—

Name of genus Type species of genus specified in Col. (1)

(2) Euploea Fabricius, Papilio corus Fabricius, 1807 1793 (type species desig-

nated under the plenary

powers in Opinion 163)

Helicopis Papilio cupido Linnaeus,

Fabricius, 1807 1758 (type species selec- ted by Scudder, 1875)

458 International Commission on Zoological Nomenclature.

(5)

(6)

Nymphidium Papilio caricae Linnaeus,

Fabricius, 1807 1758 (type species selec- ted by Crotch, 1872)

Pontia Fabricius, Papiliodaplidice Linnaeus,

1807 1758 (type species selec- ted by Curtis, 1824)

to bina, the generic name Thymele Fabricius, 1807 (type species, by selection by Westwood, 1840: Papilio tages Linnaeus, 1758) on the Official Index of pene and Tovalid Generic Names in Zoology

to place on the Official List of Specific Trivial Names in Zoology’ the undermentioned trivial names, being the trivial names of the type species of certain of the genera, the names of which had been placed on the Official List of Generic Names in Zoology” under (3) above, with the exception of the trivial name /ylas Linnaeus, 1758, which, from the standpoint of some specialists, was the trivial name of .a subspecies of the same collective species as, and had priority over, the trivial name aceris Esper [1780], the type species of the genus Neptis Fabricius, 1807 :—

aceris Esper [1783] (as published in the binominal combination Papilio aceris) (without prejudice to the prior rights of the trivial name hylas Linnaeus, 1758, if that name is held to apply to a subspecies of the same collective species)

cereus Linnaeus, 1767 (as published in the binominal combination Papilio cereus)

hylas Linnaeus, 1758 (as published in the binominal combination Papilio hylas)

iris Linnaeus, 1758 (as published in the binominal combination Papilio zis)

polymnia Linnaeus, 1758 (as published in the binominal combination Papilio polymnia) sophorae Linnaeus, 1758 (as published in the binominal combination Papilio sophorae) ;

to take note that, under the decisions adopted at the time of the establishment of the Official List of Specific Trivial Names in Zoology,” the trivial names of the type species of the genera specified in (4) above, being all the oldest available names for the species severally concerned, were to be placed on the foregoing Official List ;

(Previous references :

Paris Session, 7th Meeting, Conclusion 18 ; 9th Meeting, Conclusion 23)

‘Hygriobia Latreille, 1804 Class Insecta,

Order Coleoptera) :

emendation of, to Hygrobia under Article 19

14th Meeting, Paris, July, 1948. 459 (8) to invite the Secretary to the Commission, in consultation with other specialists in the Order Lepidoptera, to submit proposals for the deter- mination by the Commission, under the procedure agreed upon at the meeting noted in the margin of the relative priority to be assigned to different names for the same species and to the same name for different species published in 1775 (a) by Cramer in volume 1 of his Uitlandsche Kapellen (b) by von Rottemburg in a paper entitled Anmerkungen zu den Hufnagelischen Tabellen, der Schmetterlinge published in volume 6 of the journal Naturforscher (c) by Schiffermiiller & Denis in the anonymous work Ankiindigung eines systematischen Werkes von den Schmetterlingen der Wiener Gegend, and (d) by Fabricius in his Systema Entomologiae ;

to place on the Official List of Specific Trivial Names in Zoology ”’ whichever might, in the light of the decision on (8) above, be found to be the oldest available trivial name for the type species of the genus Castnia Fabricius, 1807.

(10) to place on the Official List of Specific Trivial Names in Zoology whichever, after consultation with specialists, was found to be the oldest available trivial name for the type species of the genus Urania Fabricius, 1807 ;

(9

~—

(11) to render Opinions recording the decisions specified in (1) to (6), and, when completed, in (9) and (10) above.

17. THE COMMISSION had under consideration an application (file Z.N.(S.)159) submitted jointly by Mr. H. E. Andrewes (Leicester, England), Professor W. A. F. Balfour- Browne (formerly Professor of Entomology, Imperial College of Science, London), Dr. K. G. Blair (British Museum (Natural History), London), Mr. M. Cameron (British Museum (Natural History), Zoological Museum, Tring), and Mr. C. E. Tottenham (University Museum of Zoology, Cambridge, England), asking for a ruling from the Commission that the spelling of the name Hygriobia Latreille, 1804 (Class Insecta, Order Coleoptera) should be emended to Hygrobia (Andrewes, Balfour-Browne, Blair, Cameron and Tottenham, 1947, Bull. zool. Nomencl.1 : 270). It was stated by the applicants that the emended spelling Hygrobia was in universal use and had been used by workers ever since Latreille (1817) had published the name in this form. The reversion to the original spelling of Hygriobia

460 International Commission on Zoological N omenclature.

would, in the view of the applicants, cause a serious, and quite unnecessary, disturbance in existing practice and would cause greater confusion than uniformity.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that, although the applicants had asked the Commission to use their plenary powers to secure the end sought in their petition, the first matter which should be considered was whether the original spelling Hygriobia was correct or defective and, in the latter event, whether under Article 19, it should be emended. Not until an answer had been given to these questions could the possible use of the plenary powers be appropriately considered. Only one comment had been received in regard to this case, namely a letter from Dr. Richard Blackwelder (United States National Museum, Washington, D.C.), who had expressed his strong personal objection to the use of the plenary powers in this case, but had offered no observations on the prior question of the applicability or otherwise of Article 19 to the name under consideration.

IN THE DISCUSSION on this case the view was ex- pressed that, having regard to the fact that the genus under consideration was a genus of water beetles and to the com- mon use of compound words consisting, in part of the Greek adjective typés, meaning wet,’ it was evident that the correct spelling of this generic name was Hygrobia and that the barbarism ‘“‘ Hygriobia”’ was due either to a “faute d’orthographe’”’ or to a ‘faute d’impression.” Article 19, accordingly, applied to this case, and in conse- quence the spelling of this name-should be emended from

_Hygriobia to Hygrobia. In these circumstances, no question arose of the use of the plenary powers in this case.

THE COMMISSION agreed :-—

(1) that it was ‘“‘évident” that the spelling as Hygriobia of the generic name Hygriobia Latreille, 1804 (Class Insecta, Order Coleoptera) was due either to a ‘‘ faute d’orthographe or to a faute d’impression”’; -

(2) that, in view of (1) above the foregoing generic name was, under Article 19, to be emended to Hygrobia;

(3) to place the generic name Hygrobia Latreille, 1804 (type species, by monotypy: Dytiscus hermanni Fabricius, 1775) on the Official List of Generic Names in Zoology ;

Schwagerina von Moller, 1877 (Class Rhizopoda, Order Foraminifera) : determination of type species of

14th Meeting, Paris, July, 1948. 461

(4) to place the trivial name tardus Herbst, 1779 (as published in the binominal combination Dytiscus tardus) (the oldest available name for the type species of Hygrobia Latreille, 1804) on the “Official List of Specific Trivial Names in Zoology ”’ ;

(5) to render an Opinion recording the decisions specified in (1) to (4) above.

18. THE COMMISSION had under consideration an application (file Z.N.(S.)87) submitted by Professor Hubert G. Schenck (Stanford University, California, U.S.A.) asking for a ruling on the species to be accepted as the type species of the genus Schwagerina von Moller, 1877 (Class Rhizopoda, Order Foraminifera) (Schenck, 1947, Bull. zool. Nomencl., 1: 271-272). Professor Schenck explained that this mono- typical genus had undoubtedly been based upon a mis- identified type species. The only species cited by von Moller under this genus was Borealis princeps Ehrenberg, 1842, but a recent examination of Ehrenberg’s type material by modern critical methods had shown that the species so named by Ehrenberg differed morphologically from that on which von Moller had based the genus Schwagerina, belonging not only to a different species but differing generically therefrom. The species so misidentified by

- von Moller was later named Schwagerina moelleri by Rauser-

Chernoussova in 1937. Thus, some 60 years elapsed before the error of identification by von Méller was detected and during that period the species which that author had misidentified as Borealis princeps Ehrenberg had been universally accepted as the type species of the genus Schwagerina. When in 1935 Dr. Carl O. Dunbar had detected this error, he had inquired of the Commission whether in the exceptional circumstances they would be prepared to entertain an application that they shguld use their plenary powers to designate as the type species of the genus Schwagerina the species which von Moller had intended to refer to, when he established that genus, in place of the species to which, through an error of identifica- tion, he did in fact then refer. Unfortunately, at that moment the Secretaryship of the Commission had been vacant, and Dr. Dunbar had been unable to obtain-any reply from the Commission. Accordingly, he and Dr. Skinner had decided that they had no option but to apply to this case the interpretation of Article 30 given in the Commission’s Opinion 65. They had’ therefore accepted the true Borealis princeps Ehrenberg as the type species of Schwagerina von Miller, and had established a genus (Pseudoschwagerina Dunbar and Skinner, 1935) for the

462 International Commission on Zoological Nomenclature.

(Previous reference:

Lisbon Session, 2nd Meeting, Conclusion 23)

species which von Moller had misidentified with Borealis princeps Ehrenberg and for its immediate allies. Since then most workers had adopted Pseudoschwagerina in place of Schwagerina in its old sense and had applied the latter name to the true Borealis princeps Ehrenberg. In the light of these events, Professor Schenck considered that uniformity and stability would best be secured by the Commission confirming Borealis princeps Ehrenberg, 1842, as the type species of the genus Schwagerina von Moller, 1877. Professor Schenck was supported in this view by Professor M. L. Thompson (University of Kansas, Lawrence,

U.S.A.).

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that the Commission would, he felt sure, regret the delay which had occurred in dealing with this case, for, if it had been possible to take action promptly when this problem was first brought to notice by Dr, Carl O. Dunbar, the Commission, by using their plenary powers, could have saved the name Schwagerina von Moller for use in the then universally accepted sense, namely as the generic name for a widely-known guide fossil to the Lower Permian throughout the Northern Hemisphere. For the genus Schwagerina von Maller was clearly a genus based upon a misidentified species, and, as such, could readily have been dealt with by the Commission under Opinion 65 and the fuller Opinion (Opinion 168) on the same subject which they had adopted at their Lisbon Session, for at that time it was clear that the substitution as the type species of the genus Schwagerina von Moller of the species (Borealis princeps Ehrenberg) actually cited by von Moller for the species (Schwagerina moelleri Rauser-Chernoussova) to which he had intended to refer would certainly have led (as, in fact, it did lead) to confusion and instability in nomenclature. At the present time, however, the position was different, for the “‘ agony (as one leading American paleontologist had termed it) involved in the change of the type species of Schwagerina had been overcome and workers were in general accustomed to the new use of that generic name. Professor Schenck (who before the present practice had become crystalised, had favoured the recognition of Schwagerina moellert as the type species of Schwagerina) now recommended that in the altered circumstances the Commission should give a ruling that the true Borealis princeps of Ehrenberg was to be recognised as the type species. He (the Acting President), as Secretary to the Commission, had had considerable correspondence with specialists in regard to this case, notably Professor M. L. Thompson, Dr. Carl O. Dunbar and Dr. Myra Keen, all of whom favoured the course now pro-

(Previous reference: Paris Session,

6th Meeting, Conclusion 38)

VOL, 4 8B

14th Meeting, Paris, J uly, 1948. 463

posed. In addition, he-had raised this question at a widely- attended meeting on nomenclature held at Ottawa at the beginning of that year during the annual meetings of the Paleontological Society of America and of the Geological Society of America. “All the specialists then present had favoured the solution now proposed. In addition, this case had been considered by the Joint Committee on Zoological Nomenclature for Paleontology in America, which (by 11 affirmative and no negative votes) had adopted a resolution supporting the action recommended by Professor Schenck, The Acting President added that such a decision would be in strict conformity with the provisions which it had been agreed (at the meeting noted in the margin) should be inserted in the Reégles to give effect to the decisions relating to the interpretation of Article 30 given in Opinions 65 and 168, for, although, in general, those provisions enjoined the Commission to use their plenary powers to designate as the type species of a genus based upon a misidentified type - species the species intended by the original author of the genus (as contrasted with the species actually cited by that author), there had been inserted, as the Commission would recall, a saving clause directing that the plenary powers should not be used even where a genus had clearly been established on a misidentified type species, in cases where the Commission considered that such a use of the plenary powers would lead to greater confusion than uniformity. In his (the Acting President’s) view, the present was such a case, and he accordingly recommended the Commission to approve the application submitted.

THE COMMISSION agreed :—

(1) to place on record their regret at the delay which had occurred in reaching a decision on the present case, a delay which, the Commission recognised, had prejudiced the issues involved :

that, under the Reégles the type species of the monotypical genus Schwagerina von Moller, 1877 (Class Rhizopoda, Order Foraminifera) was the species Borealis princeps Ehrenberg, 1842, the sole species cited by von Méller, when he first published the name Schwagerina, and not the Species which that author had misidentified with the foregoing species and had before him when he established the foregoing genus, which, specialists were agreed, was the species that was at that time unnamed but had since received the name Schwagerina moelleri Rauser-Chernoussova, 1937

(2

~~

464 International Commission on Zoological Nomenclature.

* Alydus Fabricius, 1803 (Class Insecta,

Order Hemiptera) :

validation of, under the plenary powers

(3) that, having regard to the delay referred to in (1)

(4

(5

~

~—

above, and without prejudice to the decision which might have been taken if the case had been dealt with promptly and before therefore the situation had developed in the way that it did subsequent to 1935, it was not desirable in existing circumstances to use the plenary powers to vary the application of the Regles in the present case ;

in view of (3) above to place the undermentioned generic names, with the type species severally specified below, on the Official List of Generic Names in Zoology :—

Schwagerina von Moller, 1877 (Class Rhizopoda, Order Foraminifera) (type species, by mono- typy : Borealis princeps Ehrenberg, 1842)

Pseudoschwagerina Dunbar & Skinner, 1935 (Class Rhizopoda, Order Foraminifera) (type species, by original designation : Schwagerina uddeni Beede and Kniker, 1924) ; to place the undermentioned trivial names on the Official List of Specific Trivial Names in Zoology :—

moelleri Rauser-Chernoussova, 1937 (as published in the binominal combination Schwagerina moelleri)

princeps Ehrenberg, 1842 (as published in the binominal combination Borealis princeps)

uddeni Beede and Kniker, 1924 (as published in the binominal combination Schwagerina uddent);

(6) to render an Opinion recording the decisions

specified in (2) to (5) above.

19. THE COMMISSION had under consideration :—

(a) a paper (file Z.N.(S.)160) by Dr. W. E. China

(British Museum (Natural History), London) containing a discussion of the status of the generic name Alydus Fabricius, 1803 (Class Insecta, Order Hemiptera), the relationship of that name to the name Coriscus Schrank, 1796, and the relationship of the latter name to the name Nabis Latreille [1802-1803], and suggesting alternative methods by which the name Alydus Fabricius, 1803, might be conserved (China, 1947, Bull. zool. Nomencel. 1 : 273-274) ;

Oe ae ee

VOL. 4 B?

14th Meeting, Paris, July, 1948. 465

(b) an application (file Z.N.(8.)160) submitted jointly by Mr. E. E. Green (Camberley, England) and Dr. W. E. China (British Museum (Natural History), London) for the suppression, under the plenary powers, of the generic name Coriscus Schrank, 1796, and the consequent validation of the name Alydus Fabricius, 1803 (Green & China, 1947, Bull. zool. Nomencl. 1: 275).

The present application had been submitted to the Commission by the Royal Entomological Society of London on the recommendation of their Committee on Generic Nomenclature on the basis of data submitted to that Committee by its Hemiptera Sub-Committee (in a Report published by the Society in 1943 as an annexe to the Kighth Report of the Committee on Generic Nomenclature). The paper by Dr. China (see (a) above) was an extract from the paper which that specialist had submitted to the Hemiptera Sub-Committee, while the joint paper by Mr. Green and Dr. China (see (b) above) was an extract from the Report of the Hemiptera Sub-Committee. The object of the application was to validate the name Alydus Fabricius, 1803 (type species : Cimex calcaratus Linnaeus, 1758), the portion of the application relating to the older name Coriscus Schrank, 1796, having been introduced only because certain authors (e.g. Reuter (1888), Kirkaldy (1900), Stichel (1925) ) had synonymised Coriscus dauci Schrank, 1801 (the type species of the genus Coriscus Schrank) with Cimex calcaratus Linnaeus, 1758 (the type species of Alydus Fabricius, 1803), notwithstanding the substantial structural difference between these genera noted by Schrank in his original description of the genus Coriscus and of his express statement that the sole included species (then referred to by him as the ‘“‘ Méhrensichelwanze ”’ and later named by him Coriscus dauct) was not the same as

-Cimex calcaratus Linnaeus. Accordingly, from the stand-

point of the authors referred to above and of any other specialists who shared their taxonomic opinion regarding the identification of Coriscus dauct Schrank with Cimex calcaratus Linnaeus, the generic name Alydus Fabricius, 1803, was a synonym of Coriscus Schrank, 1796. Dr. China and Mr. Green did not accept the taxonomic conclusions of the foregoing authors, but, in order to put an end to any

» doubts on this matter, they had recommended in the

Report of the Hemiptera Sub-Committee that the Com- mission should be asked to use their plenary powers to designate Coriscus crassipes Schrank, 1801, as the type species of the genus Coriscus Schrank, 1796. The effect of this proposal would be to make Coriseus Schrank, 1796, and

466

International Commission on Zoological Nomenclature.

Nabis Latreille [1802-1803], different names for the same genus. The applicants attached importance to the mainten- ance of the name Nabis Latreille, but had been under the

misapprehension that their proposal would make Coriscus

Schrank a synonym of Nabis Latreille, although it was the older of the two names, in view of the fact that (in Opinion 104) the Commission had placed the name Nabis Latreille on the Official List of Generic Names in Zoology.”

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) explained that, when in 1944 he, as Secretary to the Commission, had prepared the present application for

publication in the Bulletin of Zoological Nomenclature, he °

had drawn the attention of the applicants to the fact that the name Nabis Latreille had been placed on the Official List in the belief that under the Régles it was an available name, and that, as it had not been validated by the Com-

_ mission under the plenary powers, it was liable to be removed

from the Official List,” if it. were later found to be an invalid name. As the result of this correspondence, the applicants had decided to amend their application to the form in which it was later published in the Bulletin (see (b) above). In its revised form the application asked for the suppression of the generic name Coriscus Schrank under the plenary powers. This action would at one stroke both remove any doubt as to the availability of the name Alydus Fabricius and safeguard fully the position of Nabis Latreille on the Official List.” Subsequent to this correspondence but prior to the publication of the revised application, Dr. R. I. Sailer (United States National Museum, Washington, D.C.) had written (1945) objecting to the original proposal on the ground that it was incomplete and, if adopted, would lead to Nabis Latreille being sunk as a synonym of Coriscus Schrank. He further expressed the view that during the last 25 years the name Coriscus Schrank had become well established in the literature in place of Alydus Fabricius and that, in view of the fact that its suppression in the manner proposed by Green and China in the Report of the Hemiptera Sub-Committee would endanger the important name Nabis Latreille, the proposal submitted by the Sub-Committee should be rejected. In his reply, the Acting President (as Secretary to the Com- mission) had informed Dr. Sailer that he shared his view that,.as submitted by the Sub-Committee, the proposal regarding Alydus Fabricius, would, if adopted, throw Nabis Latreille into synonymy with Coriscus Schrank and that, in order to remove this objection to their proposal, Dr. China and Mr. Green had agreed upon a re-wording of their application which would safeguard fully the position of

14th Meeting, Paris, July, 1948. 467

Nabis Latreille. The application had subsequently been advertised, but the advertisement had elicited no objection to the action proposed by Dr. China.

THE COMMISSION agreed :— (1) to use their plenary powers :—

(a) to suppress the name Coriscus Schrank, 1796 (Class Insecta, Order Hemiptera) for the purposes of Article 25, though not for those of Article 34 ;

(b) to validate the generic name Alydus Fabricius, 1803 (Class Insecta, Order Hemiptera) ;

(2) to place the generic name Alydus Fabricius, 1803 (type species, selected by Curtis, 1831: Cimex calcaratus Linnaeus, 1758) on the Official List of Generic Names in Zoology ;

(3) to place the name Coriscus Schrank, 1796, on the * Official Index of Rejected and Invalid Generic Names in Zoology ”’ ;

(4) to confirm the entry on the Official List of Generic Names in Zoology of the name Nabis Latreille [1802-1803] ;

(5) to place the trivial name calcaratus Linnaeus, 1758 (as published in the binominal combination Cimex calcaratus) on the Official List of Specific Trivial Names in Zoology ;

(6) to render an Opinion recording the decisions specified in (1) to (5) above.

Salda” 20. THE COMMISSION had under consideration :— Fabricius, 1803 :

(Class Insecta, (a) a paper (file Z.N.(S.)161) by Dr. W. E. China claw ae ual (British Museum (Natural History), London) on species of, under the status of the name Salda Fabricius, 1803 (Class the plenary powers Insecta, Order Hemiptera) (China, 1947, Bull.

zool. Nomencel.,1 : 276) ;

(b) an application submitted jointly by Mr. E. E. Green (Camberley, England) and Dr. W. E. China (British Museum (Natural History), London) for the use by the Commission of their plenary powers to designate Cimez littoralis Linnaeus, 1758, as the type species of the genus Salda Fabricius, 1803 (Green & China, 1947, Bull. zool. Nomencel., 1: 276-277) ;

468

International Commission on Zoological Nomenclature.

It was explained in the application that the universally accepted concept represented by the name Salda Fabricius, 1801, was based upon the belief that Cimea littorals Linnaeus, 1758, had been correctly selected as the type species of this genus by Blanchard in 1848 (in Orbigny, Dict. univ. Hist. nat., 11; 311). It was now realised that the Heteroptera section of the Disciples’ Edition of Cuvier’s Régne Animal, in which Blanchard had selected Cimex grylloides Linnaeus, 1761, as the type species of Salda Fabricius, was published as early as 1838 and therefore this type selection had priority over that of Czmez littoralis in 1848. The acceptance of Cimez grylloides Linnaeus as the type species of this genus would, however, lead to confusion, for it would involve the transfer of the genus Salda Fabricius to another family (now known as the LyGAEIDAE), where it would replace the well-known name Geocoris Fallén, 1814, while the family now known as the saLprpaE would be left without a name.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that the present application, like that relating to the name Alydus Fabricius, which the Commission had just considered, had been submitted to the Commission by the Royal Entomological Society of London, on the recommendation of their Committee on Generic Nomen- clature, acting on the advice of the Hemiptera Sub-Com- mittee, the members of which were Dr. China and Mr. Green. The application had been advertised subsequent to publica- tion in the Bulletin. The only objection received had come from Dr. Richard Blackwelder (United States National Museum, Washington, D.C.) who considered that the grounds advanced in the application were insufficient to justify the use by the Commission of their plenary powers.

IN DISCUSSION the view was expressed that the application submitted contained sufficient evidence as to the likelihood of confusion arising if the Régles were strictly applied in this case and that the application should there- fore be granted.

THE COMMISSION agreed :— (1) to use their plenary powers :—

(a) to set aside all selections of a type species for the genus Salda Fabricius, 1803 (Class Insecta, Order Hemiptera) made prior to the present decision ;

(b) to designate Cimex littoralis Linnaeus, 1758, to be the type species of the foregoing genus ;

Names of ten genera in the Order Hemiptera (Class Insecta) based upon misidentified type species: (1) type species of

Gastrodes Westwood, 1840, designated under the plenary powers ; (2) type species of remaining genera similarly designated conditionally

14th Meeting, Paris, July, 1948. 469

(2) to place the generic name Salda Fabricius, 1803, with the type species designated in (1) (b) above, on the Official List of Generic Names in Zoology ”’ ;

(3) to place the trivial name littoralis Linnaeus, 1758 (as published in the binominal combination Cimex littoralis) on the Official List of Specific Trivial Names in Zoology

(4) to render an Opinion recording the decisions specified in (1) to (3) above.

21. THE COMMISSION turned next to consider the application (file Z.N.(S.)144) submitted by Dr. W. E. China (British Museum (Natural History), London) in regard to the names of ten genera in the Order Hemiptera (Class Insecta), each of which, it was considered, was based upon a misidentified type species. The applications so submitted sought in each case the use of the plenary powers to designate as the type species of the genus concerned the species originally intended (as contrasted with the species actually cited) by the author of the generic name in question. The applications were the following :—

(a) Aquarius Schellenberg, 1800

Gerris paludum Schellenberg, 1800, had been selected as the type species of this genus by Kirkaldy, 1906, but it was considered that the species referred to under this name by Schellen- berg was Cimex najas De Geer, 1773. The Commission were asked to designate the latter species as the type species of the genus (China, 1947, Bull. zool. Nomencl., 1: 277-278).

(b) Bellocoris Hahn, 1834

Cimex maurus Linnaeus, 1758, had been selected

‘asthe type species of this genus by Westwood (1840), but it was considered that the species referred to under this name by Hahn was Cimex austriacus Schrank, 1776. The Commission were asked to designate the latter species as the type species of this genus (China, 1947, Bull. zool. Nomencl., 1: 278-279).

(c) Beosus Amyot & Serville, 1843 This genus was monotypical, the sole species referred thereto by the authors of the generic name being Lygaeus quadratus Fabricius, 1803. It was considered that the citation of this name was due to a misidentification and that the species

470 International Commission on Zoological Nomenclature.

which Amyot and Serville intended to refer to was Cimex maritimus Scopoli, 1763. (The Commission were asked to designate the latter species as the type species of this genus (China, 1947, Bull. zool. Nomencl., 1: 279-280).

(d) Catoplatus Spinola, 1837

This genus was monotypical, the sole species referred thereto by Spinola being Acanthia costata Fabricius, 1794. It was considered that the citation of this name was due to a misidentification and that the species which Spinola intended to refer to was Tingis fabric Stal, 1868. The Commission were asked to designate the latter species as the type species of this genus (China, Bull. zool. Nomenel., 1: 281).

(e) Dictyonota Curtis, 1827

Tingis eryngii Latreille, 1804, had been designated by Curtis at the time (1827) that he first published the generic name Dictyonota, but it was considered that the species so referred to under this name by Curtis was Dictyonota strichnocera Fieber, 1844. The Commission were asked to designate the latter species as the type species of this genus (China, 1947, Bull. zool. Nomencl., 1: 282).

(f) Gastrodes Westwood, 1840

This genus was monotypical; the sole species referred thereto by Westwood being Cimex abietis Linnaeus, 1758. It was considered that the citation of this name was due to a misidentific- ation and that the species which Westwood intended to refer to was Cimex abietum Bergroth, 1914. The Commission were asked to designate the latter species as the type species of this genus (China, 1947, Bull. zool. Nomencl., 1: 283).

(g) Oncotylus Fieber, 1858 Kirkaldy (1906) selected as the type species of this genus the species which Fieber had referred thereto under the name Capsus tanaceti Fallén, 1807, but, in making this selection, Kirkaldy had made it clear that he realised that Fieber had misidentified Fallén’s species and that the species which he (Kirkaldy) was then selecting as the type species- was Oncotylus punctipes Reuter, 1873 (2.e. the species to which Fieber had intended to refer when he entered the trivial name tanacets Fallén as the name of a species of this genus). Nevertheless, under the Régles the type species

14th Meeting, Paris, July, 1948. 471

of this genus was the true Capsus tanaceti of Fallén. The Commission were asked to designate Oncotylus punctipes Reuter, 1873, as the type species of this genus (China, 1947, Bull. zool. Nomencel., 1: 284).

(h) Pachylops Fieber, 1858

This genus was monotypical, the sole Species referred thereto by Fieber being Capsus chlorop- terus Kirschbaum, 1855. It was considered that the citation of this name was due to a mis-

_ identification and that the species which Fieber intended to refer to was Litosoma bicolor Douglas & Scott, 1868. The Commission were asked to designate the latter species as the type Species of this genus (China, 1947, Bull. zool. Nomencel. 1: 285).

(i) Ptlophorus Hahn, 1826

This genus was monotypical, the sole Species referred thereto by Hahn being Cimex bifasciatus Fabricius, 1775. It was considered that the citation of this name was due to a misidentification and that the species which Hahn intended to refer to was Cimer clavatus Linnaeus, 1767. The Commission were asked to designate the latter species as the type species of this genus (China, 1947, Bull. zool. Nomencl. 1: 286).

(j) Tetyra Fabricius, 1803 Curtis (1838) selected Cimer maurus Linnaeus, 1758, as the type species of this genus. It was considered that the species referred to under this name by Fabricius was Cimer austriacus Schrank, 1776 (the species which, under (b) above, the Commission were asked to designate as the type species of the genus Bellocoris Hahn, 1834). The acceptance of Cimex maurus Linnaeus as the type species of Tetyra Fabricius would (i) involve the transfer of the name Letyra Fabricius from the American, to the European list, (ii) leave without a name the American genus now known as Tetyra, and (iii) cause the name Eurygaster Laporte, 1832 (a name of some importance in economic entomology as including pests of wheat) to fall as a synonym of Tetyra. Such consequences would be open to the strongest objection. It was accordingly proposed that the Commission should designate as the type species of Tetyra Fabricius, 1803, the species so selected by the next author after Curtis to select a type species for this genus, i.e, Kirkaldy (1900).

International Commission on Zoological Nomenclature.

The species in question was cited by Fabricius under the name Cimex arcuata Fabricius, 1794, but that name was invalid, being a homonym of Cimex arcuatus Gmelin, 1789. The oldest avail- able name for the Fabrician species was Cimex antillarum, a nom. nov. published by Kirkaldy in 1909. It was this nominal species which it was proposed that the Commission should designate as the type species of the genus Tetyra Fabricius 1803.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that unfortunately through some over- sight the Commission File (file Z.N.(S.)144) dealing with the present series of applications had not been included among those which he had brought with him to Paris to assist the Commission in the consideration of problems calling for decision. So far as he could recall, no objections to the action proposed in these cases had been received from any source. These cases appeared to be exactly of the kind envisaged in Opinion 168. They all related to genera based upon misidentified species, where the acceptance of the type species actually cited (as contrasted with that intended) by the original author would certainly cause great confusion. In such cases the Commission were now under an obligation to use their plenary powers to avoid disturbance in accepted nomenclature.

ALTERNATE COMMISSIONER ROBERT L. USINGER (U.S.A.) said that, as a hemipterist, he was familiar with the problem presented by the name Gastrodes Westwood (case (f) above) and was in full agreement with the conclusions reached by Dr. China. He accordingly supported the proposal that the plenary powers should be used to designate Cimex abietum Bergroth, 1914, as the type species of this genus.

IN THE ENSUING DISCUSSION the view was generally expressed that all the necessary data had been submitted by Dr. China in support of the remaining applications and that those applications were well founded. It was felt, however, that,*before a final decision was taken on these cases, it was desirable to make sure, by reference to the Commission’s file, that no adverse comment of any kind had been received from any specialist in the groups concerned. If any such adverse comments were found to have been received, the application concerned should be resubmitted to the Commission, but if no such adverse comments had been received, the Secretary to the Commis- sion should prepare Opinions in the sense proposed.

14th Meeting, Paris, J uly, 1948, 473

THE COMMISSION agreed :— (1) to use their plenary powers :—

(a) to set aside the designation by Westwood of Cimex abietis Linnaeus, 1758, as the type Species of the monotypical genus Gastrodes Westwood, 1840 (Class Insecta, Order Hemiptera) ;

(b) to designate Gastrodes abietum Bergroth, 1914, to be the type species of the foregoing genus ;

(2) to place the generic name Gastrodes Westwood, 1840, with the type species specified in (1)(b) above, on the Official List of Generic N. ames in Zoology ; «

(3) to place the trivial name abhietum Bergroth, 1914 (as published in the binominal combination Gastrodes alnetum), on the Official List of Specific Trivial Names in Zoology ;

(4) to render an Opinion recording the decisions specified in (1) to (3) above ;

(5) as regards the names of the nine genera in the Order Hemiptera (Class Insecta) specified below :—

(a) that, if an examination of the Commission’s file Z.N.(S.)144 showed that no objection to the action proposed had been received from any source, the plenary powers should be used to designate as the type species of the genera concerned the species severally specified below, but that, if in any case it were to be found that such an objection had been received, the application concerned should be resubmitted to the Commission for further consideration :—

Name of genus Name of species pro- posed to be designated,

under the plenary

powers as the type

species of the genus specified in Col. ( 1)

(1) (2) Aquarius Schellen- Cimex najas De Geer, berg, 1800. 16%

Bellocoris Hahn, Cimex austriacus 1834. Schrank, 1776.

474 International Commission on Zoological Nomenclature.

Certain applications not yet

published in the

** Bulletin of Zoological Nomenclature : the Commission’s files relating to, to be examined in turn

Beosus Amyot & Cimex maritimus Serville, 1843. Scopoli, 1763.

Catoplatus Spinola, Tingis fabricic Stal, 1837. 1868.

Dictyonota Curtis, Dictyonota strichno- 1827. cera Fieber, 1844.

Oncotylus Fieber, Oncotylus punctipes 1858. Reuter, 1873.

Pachylops Fieber, Litosoma bicolor 1858. Douglas & Scott,

1868.

Pilophorus Hahn, Cimex clavatus Lin- 1826. naeus, 1767.

Tetyra Fabricius, Cimex antillarum 1803. Kirkaldy, 1909 ;

(b) that, where under Sub-Conclusion (5) (a) above, the plenary powers were used to designate as the type species of the genus concerned the species specified in Col. (2) of the table annexed to the said Sub- Conclusion, the generic name specified in Col. (1) should be placed on the Official List of Generic Names in Zoology and the trivial name specified in Col. (2) as the name of the type species of the genus concerned should be placed on the Official List of Specific Trivial. Names in Zoology ;

(c) that in every case where, under (5) (a) above, the plenary powers are used to designate as the type species of a genus the species specified against the name of that genus in Col. (2) of the table annexed to that Conclusion, an Opinion should be rendered recording the decision so taken.

(Note by the Secretary to the Commission.—

I have examined the Commission’s file Z.N. (S.) 144, and find (i) that Dr. R. I. Sailer (United States National Museum, Washington, D.C.) has registered his support for each of the proposals specified above, and (ii) that no adverse comment on the action proposed has been received from any source. (Signed) Francis Hemming. Secretariat of the Commission, London, N.W.1. 15th September 1948.)

22. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the application submitted by Dr. W. E. China in regard to the names of certain genera in the Order Hemiptera (Class Insecta) which the Commission had just considered completed their examination of the applica- tions that had so far been published in the Bulletin of

. The trivial name “idas” Linnaeus, 1758, (as published in{the binominal combination Papilio idas ss suppressed, and the trivial name “idas” Linnaeus, 1761 (as published in the binominal combination

14th Meeting, Paris, J uly, 1948. 475

President), as Secretary to the Commission, had accordingly picked out the Commission Files (of the Z.N.(S.) Series)

THE COMMISSION agreed :—

to examine, in turn, the Commission’s Files (of the Z.N.(S.) Series) relating to applications in regard to individual nomenclatorial problems, which the Acting President, as Secretary to the Commission, had brought to Paris from London, with a view to reaching decisions on the questions submitted in every case where the evidence afforded by those Files showed clearly what action should be taken.

Dr. Henry Beuret (Neuewelt, Bale, Switzerland) and Commissioner Francis Hemming (United Kingdom) asking

no useful purpose, in order (2) to validate the trivial name tdas Linnaeus, 1761 (as published in the binominal combina-

476 International Commission on Zoological Nomenclature

Papilio idas ”) tion Papilio idas) for the species which had been known bere poe a) ‘Since 1871 up to about ten years ago by the trivial name validated, and its = agyrognomon Bergstrasser 1779, a name which it had anplionton asiey, now been found was applicable to a different, though crackles HT snatters closely allied, species (Class Insecta, Order Lepidoptera). incidental thereto

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the present application related to the name to be applied to a common Palaearctic species of butterfly, the nomenclature of which had become so confused that stability could not be secured unless the Commission used their plenary powers to assist that end. The confusion arose through the mistakes made in the past in applying trivial names to three very similar species, which might for convenience be called species “‘ A,” species B,” and species “‘C.” Linnaeus in 1758 had recognised one only of these species (species “‘ A ’’), to which he had applied the name Papilio argus. In 1761, he had, however, given the name Papilio idas to the Swedish subspecies of species B,” though, owing to the fact that species B” and “©” both occurred in Sweden and their distinguishing characters had not been detected until more than a 100 years after Linnaeus’s day, it was possible that, when he wrote the description of Papilio idas, he had before him specimens of both these species. The name so given was, however, invalid, being a homonym of Papilio idas Linnaeus, 1758, a name given to an Oriental Hesperiid which it had never been found possible to identify to the satisfaction of specialists in that group. The first major element of confusion was introduced by Schiffermiiller and Denis (1775) who, on clearly recognising the characters which distinguished species “‘ B from species A,” applied to the former the trivial name argus Linnaeus, 1758 (which properly belonged to species “‘ A ’’) and gave a new name (aegon) to species “‘ A.” This mistake persisted until 1871, when Kirby restored the name argus Linnaeus to its rightful owner. It was at this stage, however, that Kirby introduced the second major cause of confusion into this problem by applying to species ‘“‘ B (which required a trivial name on ceasing to be known (incorrectly) as argus Linnaeus) the trivial name argyrognomon Bergstrasser [1779] (as published in the binominal combination Papilio argyrognomon), believing that*to be the oldest available name for the collective species B.”’ From then onwards until 1935, that species was almost universally known by that name. The opening phase of the next stage was marked by the discovery by Chapman in 1917 of the existence of a third

) species (species “‘C”’) which had hitherto been confused . with species B.” To this new species Chapman gave the

a

14th Meeting, Paris, July, 1948. 477

trivial name aegus Chapman (in the binominal combination Plebeius aegus). It was not long before it was realised that other subspecies of species “©” had already been named, prior to the publication of the trivial name aegus Chapman, by authors who (erroneously) supposed that the insects in question were subspecies of species B.” In consequence, a general search of the literature was made for the purpose of determining the oldest available trivial name for species “€.” This search led ultimately to the discovery by Dr. Beuret (one of the present applicants) of the third major error in the nomenclature of this group, namely the discovery that the trivial name argyrognomon Bergstrasser, for so long and so universally applied to species B,” was in fact applicable not to that species but to species “C.” In retrospect, it was clear to him (the Acting President) that at that point the best course would have been to ask the Commission to use their plenary powers to suppress the name argyrognomon Bergstrasser, the . transfer of which from species B to species “C” could not fail to cause the utmost confusion. However, that course had not been taken at that time, and in consequence there had followed a long period of confusion. This confusion had been greatly aggravated by the impossibility of determining what trivial name was properly applicable to the collective species B,” which once again (as in 1871) was without an accepted trivial name. This difficulty arose from the fact that the inadequacy of the original des- criptions, the crude nature of the original figures (in. those cases where figures had been published by the original authors) and the absence of type specimens made it impossible to determine whether any, and, if so, which of the trivial names given by early authors to nominal species commonly synonymised with species B really repre- sented subspecies of that collective species or whether they represented subspecies of species “(C.” It was this nomenclatorial impasse which had led Dr. Beuret and other specialists to revert to a proposal originally advanced (in a different form) by Dr. Roger Verity (1913) that the best way to secure stability for the nomenclature of these species would be to acquire authority to apply to species “B” the trivial name das Linnaeus, 1761. This proposal had many important advantages : (1) it involved no disturb- ance whatever in the nomenclature of other groups, for the trivial name idas Linnaeus, 1758, the suppression of which was presupposed by this proposal, would not cause a ripple anywhere, that name being regarded as a nomen dubium and in consequence not being in use by any author; (2) the name idas Linnaeus, 1761, had never been applied by any author to any of the species here under consideration,

478 International Commission on Zoological Nomenclature.

(Previous reference : Lisbon Session,

2nd Meeting, Conclusion 23)

apart from species B”’; if therefore, that name were to be applied officially to species B’”’ (and, subspecifically, to the Swedish subspecies of that species), every worker would in future know to what species reference was being made when the name idas was used ; (3) the very early date (1761) of the trivial name idas provided an insurance against the risk of there being some earlier trivial name which would take priority over the name idas Linnaeus, 1761, for the collective species ““B”; (4) a settlement on these lines would not prejudice the taxonomic question of the relationship of insects ‘‘ B and C,” since any worker who (contrary to the present general opinion) might © regard these two insects as conspecific would be free to treat as the name of a subspecies of the collective species “B” the name argyrognomon Bergstrasser (the oldest available name for the group of subspecies treated by the present applicants as together constituting the collective species “C”’).

Continuing, the Acting President said that the present proposal was supported by all the leading specialists in the group concerned, including Dr. Roger Verity (Florence, Italy), Mr. N. D. Riley (British Museum (Natural History), London), the late Dr. A. Steven Corbet (British Museum (Natural History), London), Dr. V. Nabokov (Museum of Comparative Zoology, Harvard University, Cambridge, U.S.A.) and Mr. B. J. Lempke (Amsterdam, Netherlands). The Acting President added that, if, as he hoped, the Com- mission were now to use their plenary powers in the manner | recommended, it would be necessary for them, when placing the trivial name zdas Linnaeus, 1761, on the Official List of Specific Trivial Names in Zoology,” to specify that the name so stabilised was to be held to apply to the species which he had referred to under the name species B” ; this could best be done by citing one of Chapman’s figures of the male genitalia, those being the characters by which that species could most readily be distinguished from the species that he had referred to as species “C.”’ At the same time the trivial name argyrognomon Bergstrasser [1779] (which in Opinion 169 the Commission had designated under their plenary powers as the type species of Lycaeides Hiibner, [1819] ) and the trivial name argus Linnaeus, 1758 (the type species of the genus Plebejus Kluk, 1802) should also be added to this Official List,” bibliographical references being inserted to show that the first of these names was to be applied to species ““C” and the second to species A.”

ALTERNATE COMMISSIONER N. D. RILEY (UNITED KINGDOM) said that, as had been indicated by

VOL. 4 ¢

14th Meeting, Paris, J uly, 1948. 479

the Acting President, he strongly supported the present proposal, He was convinced that stability would never be attained in the nomenclature of this group of species without the use by the Commission of their plenary powers. The settlement proposed would, he felt confident, be welcomed warmly by all interested specialists,

IN DISCUSSION it was agreed that this was a particu- larly clear case for the use of the plenary powers to put anend to a state of confusion in nomenclature which could be remedied in no other way.

THE COMMISSION agreed :— (1) to use their plenary powers :—

(a) to suppress the trivial name idas Linnaeus, 1758 (as published in the binominal com- bination Papilio adas) ;

(b) to validate the trivial name idas Linnaeus, 1761 (as published in the binominal com- * bination Papilio idas) ;

(c) to direct :—

(i) that the trivial name idas Linnaeus, 1761 (as published in the binominal combination Papilio idas), validated as specified in (b) above, *should be applied to the species (the nomino- ‘typical subspecies of which was described by Linnaeus from speci- mens collected in Sweden), the male genitalia of which show the charac- ters exhibited in the photograph published by Chapman (TAL 1917 as figure 7 of plate III in Volume 14 of Oberthiir’s Etudes de la Lépidoptérologie comparée (photo- graph of the male genitalia of a specimen collected at Allos (Basses- Alpes, France) and figured as Ple- beius argus var. alpina”) :

that the trivial name argyrognomon Bergstrasser [1779] (as published in the binominal combination Papilio argyrognomon) should be applied to the species (the nominotypical sub- Species of which was described by Bergstrasser from specimens collected in the “Bruchkéhl Wald” in the Graftschaft Hanau-Miinzenberg ”), the male genitalia of which show the

{= ~~

480

Six generic names in the Order

Lepidoptera (Class Insecta) placed on

International Commission on Zodlogical Nomenclature.

(iii

~~

characters exhibited in the photo- graph published by Chapman (T.A.) in 1917 as figure 23 on plate VIII in Volume 14 of Oberthiir’s Etudes de la Lépidoptérologie comparée (photo- graph of the male genitalia of a specimen collected at Versoix (Swit- zerland) and figured as “‘ Plebeius aegus ”’) ;

that the trivial name argus Linnaeus, 1758 (as published in the binominal combination Papilio argus) should be applied to the species (the nomino- typical subspecies of which was des- cribed by Linnaeus from specimens collected in Sweden), the male genita- lia of which show the characters exhibited in the photograph pub- lished by Chapman (T.A.) in 1909 as figure 1 on plate XX in Volume 3 of Tutt’s Natural History of the British Butterflies (photograph of the male genitalia figured as “‘Plebeius argus’’);

(2) to place the trivial name zdas Linnaeus, 1758 (as published in the binominal combination Papilio idas), suppressed under (1) (a) above, on the ‘‘ Official Index of Rejected and Invalid Specific Trivial Names in Zoology ”’ ;

(3) to place the undermentioned trivial names on the Official List of Specific Trivial Names in Zoology :—

idas Linnaeus, 1761 (as published in the bi-

nominal combination Papilio idas), as validated under (1) (b) above and as defined in (1) (ce) (1)

above ;

argyrognomon Bergstrasser [1779] (as published in the binominal combination Papilio argyro- gnomon), as defined in (1) (c) (ii) above ;

argus Linnaeus, 1758 (as published in the binominal combination Papilio argus), as defined in (1) (c) (iii) above ; :

(4) to render an Opinion recording the decisions specified in (1) to (3) above.

24. Arising out of the discussion recorded in the preceding Conclusion, THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that, when discussing the

SS eee eee

14th Meeting, Paris, July, 1948. 481

the Official List of trivial name argyrognomon Bergstrasser [1779] (as published

Generic Names in Zoology and three generic names in the same Order placed on,the

** Official Index of Rejected and Invalid Generic Names in Zoology (Previous reference: Lisbon Session,

2nd Meeting, Conclusion 23)

(Previous reference: Paris Session,

9th Meeting, Conclusion 42)

VOL, 4 Cc?

in the binominal cofnbination Papilio argyrognomon), he had reminded the Commission that at Lisbon in 1935 they had used their plenary powers to designate the foregoing species as the type species of the genus Lycaeides Hiibner [1819]. Now that the Commission had placed the foregoing trivial name on the Official List of Specific Trivial Names in Zoology,” it was desirable that they should stabilise also the name of the genus of which that species was the type ee by placing that generic name on the Official List of Generic Names in Zoology.”’ Action in this sense, if

taken now, would merely anticipate action which would in

any case be taken a little later, for, as the Commission would remember, they had agreed during their present Session (at the meeting noted in margin) that every nomenclatorially available name which was also the oldest available name for the genus or species concerned which had formed the subject of a decision by the Commission should now be placed on the appropriate “Official List,” irrespective of whether a decision to that effect had been expressly recorded in the Opinion setting out the Commission’s decision in regard to the name in question, and had invited him (the Acting President) in his capacity as Secretary to the Commission to examine all the Opinions so far rendered by the Commission for the purpose of giving effect to the foregoing decision. If, as he recommended. the Commission were now to deal

expressly with the generic name Lycaeides Hiibner, it would +

be convenient if at the same time they were to deal also with the other generic names, the type species of which had also been varied under the plenary powers on the same occasion. As could be seen by reference to the Official Record of Proceedings of the Meeting concerned (1943, Bull. Zool. Nomencel., 1: 23-25), there were altogether nine names involved. Of these, however, three names (Latiorina Tutt, 1909; Orpheides Hiibner [1819]; Spilothyrus Duponchel, 1835) were the names of nominal genera which were duplicates, i.e. objective synonyms, of other nominal genera (Agriades Hiibner [1819]; Princeps Hiibner [1807] ; Carcharodus Hiibner [1819]). The Commission had only been asked to use their plenary powers in the case of these duplicate nominal genera, in order to prevent these latter from ceasing to be synonyms, a result which would other- wise have followed from the decision by the Commission to vary the type species of the genera having the older names. The names of these three duplicate genera should now be placed on the Official Index of Rejected and Invalid Generic Narhes in Zoology.”’ All the other names concerned were available and, with one exception, were in universal use. These names should therefore now be placed on the

482 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session,

8th Meeting, Conclusion 6)

Official List of Generic Names in Zoology.” The exception was the name Princeps Hiibner [1807], which was treated by all specialists as a synonym of Papilio Linnaeus, 1758, its type species, Papilio demodocus Esper [1798], being regarded as congeneric with Papilio*machaon Linnaeus, 1758, the type species of Papilio Linnaeus. In spite, therefore, of the Commission having used their plenary powers to designate the type species of the genus Princeps Hiibner [1807], he recommended that that name should not now be placed on the Official List of Generic Names in Zoology.”

Turning to the question of the admission to the “‘ Official List of Specific Trivial Names in Zoology of the trivial names of the type species of the genera discussed above, the Acting President said that two only calléd for comment. The species concerned were the type species respectively of the genera Euchloé Hiibner and Polyommatus Latreille. In the first of these cases the difficulty was due to un- certainty as to the taxonomic limits of the collective species concerned, while in the second of the cases bibliographical uncertainties made it impossible at the present time to determine what was the ‘oldest available name for the species concerned.

The type species of the genus Huchloé had for its trivial name the name espert Kirby, 1871, which had originally been published as a subspecific trivial name, its author considering that the insect in question represented the South of France subspecies of a collective species to which the trivial name ausonia Hiibner was then applied. While espert Kirby was still accepted as a subspecies, most specialists now regarded the oldest available name for the collective species to which it belonged as orientalis Bremer, 1864. Some specialists, however, considered that the

_ Species was not confined to the Palaearctic Region but that

the North American group of subspecies should be united with the Palaearctic subspecies. From the standpoint of these systematists, the oldest available trivial name for the collective species was creusa Doubleday, [1847] (as published in the binominal combination Anthocharis creusa). In order to avoid the appearance of passing judgment on these taxonomic questions, the Commission would be well advised to follow in this case the procedure which, on the suggestion of Alternate Commissioner Beltran, they had

.agreed to adopt in-analogous circumstances, when a similar

case arose in connection with the addition of generic names to the Official List of Generic Names.” He (the Acting President) therefore recommended that the Commission should now place on the Official List of Specific Trivial Names in Zoology ”’ all three of the trivial names which he

(Previous reference:

Paris Session, 14th Meeting, Conclusion 16)

14th Meeting, Paris, J uly, 1948. 483

had mentioned but that in so doing, they should add a note, in the case of the name espert Kirby, 1871, that this name was added to the List,” because it was both an available name and the name of the nominal Species that was the type species of the gerius Euchloé Hiibner and that the addition of this name to the Official List” did not prejudice the priority of the trivial names ereusa Doubleday, [1847], or’ orientalis Brémer, 1864, from the standpoint of specialists who considered esperi Kirby to be congeneric with either of the insects referred to above. In the case of orientalis Bremer, a similar note should be added to make it clear that the entry of this name on the Official List did not prejudice the priority of the trivial name ereusa Double- day [1847], from the standpoint of those specialists who regarded orientalis Bremer and creusa Doubleday ag conspecific.

As regards the trivial name of the type species of the genus Polyommatus Latreille, it must be noted that that trivial name (icarus Rottemburg, 1775, as published in the binominal combination Papilio icarus) was a homonym of the trivial name icarus Cramer 1775 (as published in the binominal combination Papilio icarus), which applied to an entirely different species, which was the type species of the genus Castnia Fabricius, 1807. Both these trivial names had been published in 1775 and there was no means at present by which to determine which should be regarded as having priority over the other. The Commission would recall that earlier during the present meeting they had considered this difficulty when they had placed the generic name Castnia Fabricius on the Official List” and had come to the conclusion that the trivial name of the type species of that genus could not be placed on the Official List of Specific Names in Zoology * until the Commission, acting under their plenary powers, had determined the relative priority to be assigned to the works in which these trivial names had respectively been published in 1775. As a preliminary to taking such a decision, the Commission had invited him (the Acting President) in his capacity as Secretary to the Commission to prepare a Report containing recommendations on this subject. In these circumstances, the Commission could only defer consideration of the question of the addition to the Official List of the type species of the genus Polyommatus Latreille in the same way as they had deferred the corresponding question: in regard to the trivial name of the type species of the genus Castnia Fabricius.

THE COMMISSION agreed :— (1) to place the names of the undermentioned genera,

484 International Commission on Zoological Nomenclature.

(Previous reference:

Paris Session, 14th Meeting, Conclusion 23)

with the type species severally specified below, on the “Official List of Generic Names in

Zoology :— Name of genus

(1) Agriades Hiibner [1819]

Carcharodus Hiibner [1819].

Euchloé Hiibner [1819]

Lycaeides Hiibner [1819]

Polijommatus Latreille, 1804

Type species of genus specified in Col. (1) (2)

Papilio glandon Prunner, 1798 (type -species designated under the plenary powers)

Papilio alceae Esper [1780] (type species designated under the plenary powers)

Euchloé ausonia Hiibner var. espert Kirby, 1871 (type species designated under the plenary powers)

Papilio argyrognomon Bergstrasser [1779] (identified as in Conclu- sion 23 above) (type species designated under the plenary powers)

Papilio wcarus Rottem-

burg, 1775 (type species ©

designated under the plenary powers)

(2) to place the undermentioned generic names on the “* Official Index of Rejected and Invalid Generic Names in Zoology :—

Latiorina Tutt, 1909 (type species, by designa- tion under the plenary powers : -Papilio glandon

Prunner, 1798)

Orpheides Hiibner [1819] (type species, by |

designation under the plenary powers: Papilio demodocus Esper [1798] )

Spilothyrus Duponchel, 1835 (type species, by designation under the plenary powers: Papilio alceae Esper [1870] ) ;

(3) to take note that argyrognomon Bergstrasser [1779] (as published in the binominal combination Papilio argyrognomon), the trivial name of the type species of the genus Lycaeides Hiibner, [1819], had already been placed on the Official List of Specific Trivial Names in Zoology ;

(Previous reference:

Paris Session, 14th Meeting, Conclusion 16(8) )

14th Meeting, Paris, July, 1948. 485

(4)

(a) to take note that icarus Rottemburg, 1775 (as published in the binominal combination Papilio icarus), the trivial name of the type species of the genus Polyommatus Latreille, 1804, was published in the same year as wcarus Cramer [1775] (as published in the binominal combination Papilio icarus), a trivial name which applied to an entirely different. species, that the relative dates of publication of these trivial names was unknown, and that there existed no means of determining the relative dates of publication of volume 6 of the journal Naturforscher (in which the first of these trivial names was published) and volume 1 of Cramer’s Uit-

landsche Kapellen (in which the second of ~

these trivial names was published until, on the receipt of the Report on the relative priority which it was desirable should be assigned to these, and certain other, works published in the same year, which, at the meeting noted in the margin, the Commission had invited its Secretary to prepare for their consideration, the Commission put an end to the present state of confusion in this matter by using their plenary powers to determine the relative priority to be assigned to the works in question ;

to place on the Official List of Specific Trivial Names in Zoology whichever might, in the light of the Report referred to in (a) above, be found to be the oldest available trivial name for the type species of the ‘genus Polyommatus Latreille, 1804.

to place on the Official List of Specific Trivial Names in Zoology’ the undermentioned trivial names, being the trivial names of the type species of the genera, the names of which had been placed on the Official List of Generic Names in Zoology under (1) above, other than the names specified in (3) and (4) above, or, in the case of the generic name Euchloé Hiibner [1819], the trivial names of earlier published nominal species regarded by certain specialists as being con- specific with the type species of that genus :— alceae Esper [1780] (as published in the bi-

nominal combination Papilio —_alceae) : ereusa Doubleday [1847] {as published in the

_— ao ~

486 International Commission on Zoological Nomenclature. «

The Hildesheim List, [1839] ”, suppression of,

for nomenclatorial purposes, under the plenary powers ©

binominal combination Anthocharis creusa) ;

espert Kirby, [1871] (as published as a subspecific trivial name in the trinominal combination Euchloé ausonia Hiibner var. espert) (without prejudice to the prior rights of the trivial names creusa Doubleday, 1847, and orientalis Bremer, 1864, from the standpoint of specialists who regard either of these as the names of subspecies of the same collective species as esperi Kirby, 1871) ;

glandon Prunner, 1798 (as published in the binominal combination Papilio glandon) ;

orientalis Bremer, 1864 (as published as a subspecific trivial: name in the trinominal combination Anthocharis belemida Hiibner var.. orientalis) (for those specialists for whom this name is the oldest available name for the collective species of which, from their stand- point, espert Kirby, 1871, is a subspecies) (but without prejudice to the prior rights of the trivial name creusa Doubleday from the stand- point of those specialists who consider orientalis Bremer and creusa Doubleday to be conspecific) ;

(6) to render an Opinion recording the decisions specified in (1), (2) and (5) above.

25. THE COMMISSION examined Commission File Z.N.(S.)196, containing an application submitted by Dr. H. Engel (Zoologisch Museum, Amsterdam) that the Commission should use their plenary powers to suppress for nomenclatorial purposes an anonymous and undated pamphlet of 20 quarto pages believed to have been published in 1839 and bearing the title Verzerchniss einer aus Java iibersandten sehr ansehnlichen Sammlung von Thieren aller Classen und einigen botanischen Gegenstiinden, welche ber dem Post-Spediteur und Senator Holzapfel in Stolzenau zum Verkauf ausstehen. Hildesheim. This pamphlet, which, on the analogy of the Erlangen List,” suppressed by the Com- mission in 1935, might be called the ‘“‘ Hildesheim List,”’ had been entirely unknown, until in 1940 or 1941 a unique copy, formerly in the Provincial Library at Leeuwarden, came to light. From the standpoint of stability in nomen-

clature, this pamphlet was extremely dangerous, for it © contained new specific names (with accompanying Latin

diagnoses) for one species of mammal and 18 species of birds. In order to prevent the chaos which might be expected to result if these unknown names were now to be substituted for the names currently used for the Javanese

EE EDN ee

(Previous reference:

Paris Session, 6th Meeting, Conclusion 47)

14th Meeting, Paris, July, 1948. 487

species concerned, Dr. Engel recommended that the Com-

mission should at once use their plenary powers to suppress this pamphlet for nomenclatorial purposes.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that Dr. Engel was to be congratulated on having taken such prompt action to bring this pamphlet to the attention of the Commission, thereby making it possible to secure its suppression under the plenary powers before confusion and instability was introduced inito nomenclature by the adoption of the numerous new names which it contained. The proposal submitted by Dr. Engel had been advertised but, as was only to be expected, no specialist had, come forward in opposition to the action proposed.

IN DISCUSSION the view was expressed that it was most fortunate that through Dr. Engel’s action it would be possible to prevent any harm being done through the discovery of this pamphlet. It was a thousand pities that equally prompt action could not have been taken to deal with two other unwanted discoveries (namely the discovery of Meigen’s Nowvelle Classification (Order Diptera) and the Erlangen List’ (Order Hymenoptera) ) before the introduction of the new names which they contained

~had had time to create chaos in the generic nomenclature

of the two Orders concerned.

THE COMMISSION agreed :—

- (1) to use their plenary powers to suppress for nomen- clatorial purposes the anonymous and undated pamphlet bearing the title Verzeichniss einer aus Java iibersandten sehr ansehnlichen Sammlung von Theren’ aller Classen und einigen botanischen Gegenstinden, welche bei dem Post-Spediteur und Senator Holzapfel in Stolzenau zum Verkauf ausstehen. Hildesheim (the so-called Hildesheim List ”’), believed to have been published in 1839 ;

(2) placed on record that, in view of the decision specified in (1) above, any name, the first publica- tion of which was in the Hildesheim List” ranks for purposes of the Law of Priority (Article . 25) and of the Law of Homonymy (Articles 34. and 35) as from the date subsequent to the Hildesheim List ’’ on which it was first ptiblished in conditions which satisfy the requirements of Article 25 and is to be attributed to the author by whom it was so published; and that any such name which had never been subsequently pub- lished in conditions which satisfied the require- ments of Article 25 possessed no status in zoological nomenclature ;

488

Hiibner (J.), (1806), Tentamen: (1) the valid names of the genera for certain of the species cited in, placed on the

** Official List of Generic Names in Zoology ; (2) procedure to be adopted for determining the valid generic names for the remaining species cited in

International Commission on Zoological Nomenclature.

(3) agreed to render an Opinion recording to decisions specified in (1) and (2) above.

26. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that at this point he desired the Commis- sion to take into consideration the question of the names to be used for the genera cited by Jacob Hiibner in 1806 in the leaflet known as the Tentamen, having regard to the fact that Opinion 97 had ruled that the names there used for those genera were not available as from their appearance in that leaflet. This subject was dealt with in the Com- mission File Z.N.(8.)314, which he now invited the Com- mission to examine. It had to be admitted that the handling of this case in the past had been unfortunate, for, ‘ulthough an application to validate the Tentamen names under the plenary powers had been received before Opinion 97 had actually been published in October, 1926 (as could be seen from the note appended at the end of that Opinion), no action had ever been taken in regard to that application, apart from the publication of an announcement of its receipt. Moreover, none of the papers relating to that application had been included among the documents transferred to his (the Acting President’s) custody on his election as Secretary to the Commission. On learning from Mr. N. D. Riley (British Museum (Natural History), London) in 1947 that Professor Wm. T. M. Forbes (Cornell University, Ithaca, U.S.A.) was interested in this matter, he had entered into correspondence with him about it. As a result Professor Forbes had furnished him with a copy of the petition referred to at the end of Opinion 97, from which it appeared that the date of the petition was 1926 and that ° its signatories had been “Wm. Schaus, August Busck, Carl Heinrich and others.”

Continuing, the Acting President said that, as was inevitable, the situation had been gravely prejudiced from the standpoint of the supporters of the Tentamen names by the interval of over 20 years that had elapsed since they had submitted their application, for in the meantime specialists had taken Opinion 97 as constituting a final decision - against the Tentamen names. Subject to certain possible exceptions among the generic names in the Sub-Order Heterocera, even those of the Tentamen names which, prior to the publication of Opinion 97, had enjoyed a certain currency had dropped out of use. Clearly, in these circumstances it could not be claimed for these names that there was any justification for the Commission now using their plenary powers to validate them, for such action, far from leading to greater uniformity, would in existing

14th Meeting, Paris, July, 1948, 489

conditions merely introduce a new source of confusion. Kqually, however, it was desirable that an end should be put to the confusion caused by the Tentamen controversy of a generation ago by determining which were the oldest available names under the Regles for each of the genera recognised by Hiibner in the Tentamen (i.e. which were the oldest available names of the genera to which were referable the species cited by.Hiibner in the Tentamen). During his visit to the United States at the end of 1947, he (the Acting President), while in Washington, had had the benefit of a full discussion of this problem With Professor Forbes and with Dr. J. G. Franclemont and Dr. W. D. Field (Smith- sonian Institution). At this conference Professor Forbes had explained that all that he riow sought was that the Commission should take action under their plenary powers to validate such of the Tentamen names for genera of the Sub-Order Heterocera as were still in general use but which were invalidly so used, either because those names under the Regles (i.e. as published on the first occasion subsequent to the Tentamen) properly applied to some other genus or because there existed older available-names for the genera in question. The problem did not arise in the case of the Sub-Order Rhopalocera, for one Tentamen name only was employed to-day for a genus belonging to that Sub-Order and that as from a later date. He (the Acting President) had felt that there was force in the view advanced by Professor ~ Forbes and he had accordingly suggested that, in so far as either he or any other specialist in the Sub-Order Héterocera desired to see the preservation of a Tentamen name. he or they should submit applications suitably documented, to the Commission for the use of the plenary powers in those cases. Professor Forbes had replied that (as was indeed the case) the generic nomenclature of the Sub-Order Heterocera was in such a state that extensive bibliographical investigations might well be required before it was possible to establish the action which would be needed in order to validate the Tentamen names in question. At this point Professor: Forbes had reverted to certain discussions which he had had with Mr. N. D. Riley in 1928, For his part, Professor Forbes said, he would be satisfied with any selection of the Tentamen names which Mr. Riley might decide to place before the Commission. He (the Acting President) had then given an undertaking that any adequately documented proposal on this subject which might be received from any source would be laid before the Commission as soon as possible ; in the meantime, he would himself, as a specialist in the Sub-Order Rhopalocera, prepare for the consideration of the Commission a proposal for the addition to the Official List of Generic Names in Zoology of the names

490 International Commission on Zoological Nomenclature.

of the genera properly applicable to the species of that Sub- Order cited by Hiibner in the Zentamen; this proposal would be entirely non-controversial, for (as already noted) no Tentamen name was now in use in that Sub-Order, except one with priority from a later date. Very shortly after his return to London from the United States, he had sent (on 28th January, 1948) the promised paper in draft to Dr. Franclemont, in order to make sure that that specialist had no objection of any kind to the action proposed. He (the

- Acting President) had not since then received any comments from Dr. Franclemont, who, he therefore concluded, saw no objection to the action proposed.

In conclusion the Acting President recommended the Commission to place on the Official List’ the oldest available names for ten of the genera in the Sub-Order Rhopalocera dealt with in the present application (the names of the remaining three genera having already been

- placed on the Official List ’’), thereby settling once and for all the generic. names applicable under the Regles to the species of that Sub-Order cited by Hiibner in the Tentamen. As regards the corresponding names of genera of the Sub- Order Heterocera, he recommended that the Commission should place on record their desire that the earliest available names for the genera in question should also be placed on the “‘ Official List ’’ with as little farther delay as possible (thereby putting an end to discussion as to the names | applicable under the Régles to the genera of which the species so cited by Hiibner were severally the type species) and that they should add a further declaration stating their willingness to give sympathetic consideration to any application for the use of the plenary powers to validate any geneyic name in the Sub-Order Heterocera that had originally appeared in the Tentamen, where it could be shown that the name in question was in general use, that’ confusion would ensue if, under the Régles, the name in use had to be changed, but that such change was inesitable, unless the Commission, ‘by using their plenary powers, rendered such a change unnecessary.

IN DISCUSSION the view was generally expressed that it was desirable to lay the ghost of this old controversy by placing on the Official List” the names of the genera which, under the Régles, were properly applicable to the species cited by Hiibner in the Tentamen, exceptions being made in favour of Tentamen names where it could be shown that otherwise confusion was to be expected. . The proposals submitted by the Acting President were calculated to secure this end and should therefore be accepted.

14th Meeting, Paris, July, 1948. - 491

THE COMMISSION :— (1) agreed to take steps with as little further delay as

(2

~

possible to eliminate doubts regarding the generic names properly applicable to the 102 species of the Order Lepidoptera (Class Insecta) for which new generic names would have been provided in the leaflet entitled the Tentamen, which liad been distributed to correspondents by Jacob Hiibner in 1806, if it had not been for the fact that the names which appeared in that leaflet had been ruled to be unavailable for nomenclatorial purposes under Opinion 97, which, as agreed upon at the meeting noted in the margin, was, after clarification, now to be incorporated in the Schedule to the Regles in which all such decisions were now to be recorded ;

agreed that the object specified in (1) above could best be secured by placing the generic names concerned on the Official List of Generic Names in Zoology ;

(3) took note :—

(a) that, so far as concerned the Sub-Order Rhopalocera, no generic names which had originally appeared in the Tentamen were now in use in the sense in which they had applied in that leaflet with the exception of one name which now ranked for priority from a later date, that there was no difference of opinion among specialists regarding the generic names which, under the Regles, were properly applicable to the genera in question, and therefore that the way was iow clear for placing on the

_ . Official List of Generic Names in Zoology ”’ the names of the 13 genera in question, in so far as this had not already been done :

(b) that, as regards the Sub-Order Heterocera, the present state of knowledge regarding the literature was not sufficient to make it possible, without further investigation by specialists, to*determine what were the generic names properly applicable under the Regles to the species of that Sub-Order cited by Hiibner in the Tentamen under generic names which, for the reason specified in (1) above were not available under the Regles as from the date of their appearance in that

International Commission on Zoological Nomenclature.

leaflet, and that, in consequence it was not at present possible to determine what were the generic names in this Sub-Order which

should be placed on the Official List of

Generic Names in Zoology ;

(4) took note :—

(a) that, of the names of the 13 genera referred to in (3)(a) above, the following three names had already been placed on the Official List of Generic Names in Zoology :—

Apatura Fabricius, 1807 (the equivalent of Potamis of the Tentamen)

Argynnis Fabricius, 1807 (the equivalent of Dryas of the Tentamen)

Mechanitis Fabricius, 1807 (the equi- valent of Nereis of the Tentamen)

(b) that the names of the remaining ten genera referred to in (3)(a) above, with their Tentamen equivalents, were as follows :—.

Name of Genus

(1) Aulocera Butler, 1867

Consul Hiibner, [1807]

Tentamen equivalent of generic name cited in Col (1)

(2)

Oreas

(Satyrus brahminus Blanchard, 1844, (the type species of Aulo- cera Butler) being sub- jectively congeneric with Papilio proserpina [Schiffermiiller and Denis], 1775, which would have been the type species of Oreas of the Tentamen, if that had been an available name) -

Consul

(which, if it had been an available name, would have had the same type species as the later name Consul Hiibner [1807])

——— ae

14th Meeting, Paris, July, 1948. 493

Danaus Kluk,

1802

ELuphydryas

Scudder, 1872

Limenitis Fabricius, 1807

Nymphalis Kluk, 1802

Limnas (Papilio plezippus Linnaeus, 1758 (the

type species of Danaus Kluk) being subjec- tively congeneric with Papilio chrysippus Linnaeus, 1758, which would have been the type species of Limnas of the Tentamen, if that had been an avail- able name)

Lemonias (Papilio phaeton Drury [1773] (the type species of Buphydryas Scudder) being subjectively con- generic with Papilio maturna Linnaeus, 1758, which would have been the type species of Lemonias of the Tentamen, if that had been an available name)

Najas (which, if it had been an available name, would have had the Same type species as Limenitis Fabricius)

Hamadryas (Papilio polychloros Linnaeus, 1758 (the

type species of V ymph- alis Kluk) being sub- jectively congeneric with Papilio to Lin- naeus, 1758, which would have been the type species of Hama- dryas of the Tentamen, if that had been an available name) Princeps

(which, if it had been an available name,

494 International Commission on Zoological Nomenclature.

would have had the same type species as Papilio Linnaeus) Pieris Schrank, Mancipium 1801 (which, if it had been an available name, would have had the same type species as Preris Schrank) Plebejus Kluk, Rusticus - 1802 (which, if it had been . an available name, would have had the same type species as

Plebejus Kuk) Pyrgus Hiibner, Urbanus : [1819] (which, if it had been

an available name, would have had the same type species as Pyrgus Hiibner)

(5) agreed to place the undermentioned generic names, with the type species severally specified below, on the “‘ Official List of Generic Names in Zoology :— a

Name of genus Type species of genus specified in Col. (1) 1 (2)

Aulocera Butler, Satyrus brahininus Blan-

1867 chard, 1844 (type species designated by Butler, : 1867) Consul Hiibner Papilio fabius Cramer [1807] [1776] (type species by monotypy)

Danaus Kluk, 1802 Papilio plexippus Lin- naeus, 1758 (typespecies _ selected’ by. Hemming,

1933) | ; Euphydryas Scud- Papilio phaeton Drury der, 1872 [1773] (type species designated by Scudder, 1872) Limenitis Fabricius, Papilio populi Linnaeus, er 1758 (type species selec-

ted by Dalman, 1816)

VOL. 4D

14th Meeting, Paris, July, 1948. 495

Nymphalis Kluk, Papilio polychloros

1802 Linnaeus, 1758 (type species selected by Hem-

ming, 1933) Papilio Linnaeus, Papilio machaon Linnaeus, 1758 1758 (type species selec-

ted by Latreille, 1810) Pieris Schrank, Papilio brassicae Lin-

1801 naeus, 1758 (type species selected by Latreille, 1810)

Plebejus Kluk,1802 Papilio argus Linnaeus, 1758, as identified in Conclusion 23 above (type species selected by Hemming, 1933) Pyrgus Hiibner Papilio alveolus Hiibner, [1819] [1800-1803] [= Papilio malvae Linnaeus, 1758] (type species selected by Westwood, 1841) ;

(6) agreed to place on the Official Index of

(7

(8

)

~~

Rejected and Invalid Generic Names in Zoology the thirteen ‘“‘Tentamen” names specified in (4) above ; took note that the trivial names of the type species of the undermentioned genera, the names of which had been placed on the Official List of Generic Names in Zoology under (5) above, had already been placed on the Official List of Specific Trivial Names in Zoology :—

Danaus Kluk, 1802 (type species: Papilio

plecippus Linnaeus, 1758)

Plejebus Kluk, 1802 (type species: Papilio

argus Linnaeus, 1758) ; agreed to place on the Official List of Specific Trivial Names in Zoology ’’ the undermentioned names, being the names of the type species of the genera placed on the Official List of Generic Names in Zoology ”’ under (5) above, other than the genera specified in (6) above, save that in the case of the type species of the genus Pyrgus Hiibner [1819], the trivial name now placed on the Official List is not the trivial name of the type species of that genus but is the trivial name of the nominal species subjectively identified with that species which -has the oldest available trivial

name :-— o

496

International Commission on Zoological Nomenclature.

brahminus Blanchard, 1844 (as published in the binominal combination Satyrus brahminus) brassicae Linnaeus, 1758 (as published in the binominal combination Papilio brassicae) fabius Cramer [1776] (as published in the binominal combination Papilio fabius) machaon Linnaeus, 1758 (as published in the binominal combination Papilio machaon) malvae Linnaeus, 1758 (as published in the ~ binominal* combination Papilio malvae), as identified in (5) above phaeton Drury [1773] (as published in the binominal combination Papilio phaeton) polychloros Linnaeus, 1758 (as published in the binominal combination Papilio polychloros) populi Linnaeus, 1758 (as published in the binominal combination Papilio popult) ;

(9) with reference to (1), (2) and (3) (b) above, agreed -

(10

to invite the Secretary to confer with specialists in the Sub-Order Heterocera and to submit proposals as soon as possible for the addition to the “Official List of Generic Names in Zoology of the names applicable to the genera for which names would have been provided as from 1806 in Hiibner’s Tentamen, if the names introduced in that leaflet had been available under the Regles, and, with reference to that request, to place on record their readiness to use their plenary powers to validate, as from the Tentamen, 1806, the name for any of the genera in question where it could be shown to their satisfaction (i) that the name in question was in general use for the genus concerned, (ii) that it was nevertheless not the oldest available name for the genus concerned, but (iii) that confusion would ensue unless the Commission used their plenary powers to validate the name in hai as from the foregoing date ;

agreed to render an Opinion recording the decisions relating to generic and specific trivial names in the Sub-Order Rhopalocera of the Order Lepidoptera (Class Insecta) specified in (5) and (7) above, and, as regards the corresponding names in the Sub- Order Heterocera of the foregoing Order, to invite the Secretary to the Commission to bring to the urgent attention of specialists in that Sub-Order the conclusions recorded in (1), (2) and (3) (b) above and the request recorded in (8) above.

* Papilio podalirius Linnaeus, 1758 (Class Insecta, Order Lepidoptera) identity of, determined under the plenary powers

VOL. 4 p2

~~

14th Meeting, Paris, July, 1948. 497

27. THE COMMISSION examined Commission File Z.N.(8.)183, containing an application submitted by the late Dr. A. Steven Corbet (British Museum (Natural History), London) that the Commission should use their plenary powers to determine the identity of the species bearing the trivial name podalirius Linnaeus, 1758 (as published in the binominal combination Papilio podalirius). After observing that, although this species was usually treated as having been first described by Linnaeus in the 12th edition of the Systema Naturae, it had, in fact, first been named in a footnote on page 463 of the 10th edition, Dr. Corbet had pointed out (i) that the bibliographical references there cited by Linnaeus included only one (Ray) in which a locality (‘‘ prope Liburnum portum in Etruria ”’) had been given, but (ii) that Linnaeus had himself given the locality “‘ Habitat in Europae australis et Africae Brassica.” The locality ‘‘ Europa australis” was appropriate to the species to which the trivial name podalirius Linnaeus was universally applied, but, according to current systematic ideas, the locality Africa (i.e. Palaearctic North Africa) was not, for the insect which occurred there’ (i.e. the insect, the oldest available trivial name for which was feisthameli Duponchel, 1832), which had formerly been regarded as a subspecies of Iphiclides podalirius (Linnaeus) was now regarded as being specifically distinct therefrom. The

difficulty in the present case, Dr. Corbet had explained,

arose from the fact that the Linnean collection (now in the possession of the Linnean Society of London) contained a specimen of the North African feisthameli Duponchel which bore a label podalirius” in Linnaeus’ own hand- writing. Dr. Corbet had had no doubt that this specimen should be regarded as Linnaeus’ type” of the species which he had named Papilio podalirius. For the reasons explained, great confusion would arise if it were necessary to transfer the trivial name podalirius from the well-known European species to which it had always been applied to the North African inséct, which had always been known by the name feisthameli ever since, in 1832, it had been dis- tinguished by Duponchel as (subspecifically) distinct from

‘podalirius Lmnaeus. Dr. Corbet had accordingly asked

the Commission to prevent such confusion from arising by using their plenary powers to determine the European species (as contrasted with the North African species) as the species to which the trivial name podalirius Linnaeus, . 1758, should be held to apply. He had suggested that this end should be secured by the Commission selecting from the bibliographical references cited by Linnaeus for Papilio podalirius the reference to Ray, a decision which,

498

International Commission on Zoological Nomenclature.

by making Livorno in Italy the type locality of this species, would eliminate all doubt as to its identity.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the danger of confusion to which Dr. Corbet had drawn attention was serious and would remain so, until, by using their plenary powers, the Commission made it clear how the Régles were to be applied. As a lepidopterist, he (the Acting President) was confident that action on the lines recommended by the late Dr. Corbet would be warmly welcomed by all interested specialists. This application had been advertised, but, as in the circumstances was to be expected, that advertisement had elicited no adverse comment from any source. The Acting President pointed out that the means by which the late Dr. Corbet had suggested that the Commission should attain the end desired was particularly happily chosen, for its adoption would not only determine beyond possibility of question the species to which the trivial name podalirius Linnaeus, 1758, should be applied, but would also serve to designate precisely the type locality of that insect (i.e. the type locality of the nominotypical subspecies of Papilio podalirius Linnaeus), a matter of some importance, in view of the fact that several European subspecies of this species had later been distinguished. The Acting President added that, in accordance with the excellent maxim adopted by the Commission on the advice of Alternate Commissioner Beltran, when they had been considering the principles governing the admission of generic names to the Official List,”’ it would be well if, when the trivial name podalirius Linnaeus was added to the “‘ Official List of Specific Trivial Names,” the trivial name feisthameli Duponchel were also

to be so added.

ALTERNATE COMMISSIONER N. D. RILEY (UNITED KINGDOM) supported the proposal submitted by the late Dr. Corbet. This case was well-known to him and there was not the slightest doubt that serious confusion would arise if the trivial name podalirius Linnaeus were to be transferred to the North African insect now known by the trivial name feisthameli Duponchel; a transfer which, however, appeared inevitable, unless the Commission used their plenary powers in the sense proposed.

THE COMMISSION agreed :—

(1) to use their plenary powers to direct that the reference to ‘“‘ Raj. ins. m. n. 3” (ie. Ray (J), 1710, Hist. Ins.: 111 n. 3) cited by Linnaeus, when in 1758 he first published the name Papilio

14th Meeting, Paris, July, 1948. 499

podalirius, was to be treated as representing the type specimen of that species and therefore that the trivial) name podalirius Linnaeus, 1758 (as . published in the binominal combination cited above) was to be applied ta the species there described by Ray from specimens taken at Livorno in Tuscany (“ prope Liburnum, portum Etruriae ”’) ;

bo ~—

to place the undermentioned trivial names on the Official List of Specific Trivial Names in Zoology :— podalirius Linnaeus, 1758 (as published in the binominal combination Papilio podalirius), as defined in (1) above ;

feisthameli Duponchel, 1832 (as published in the binominal combination Papilio feisthameli) (without prejudice to the prior rights of the trivial name podalirius Linnaeus, 1758, from the standpoint of specialists who regard these as the names of subspecies of a single collective species) ;

(3) to render an Opinion recording the decisions specified in (1) and (2) above.

Article 31 (need for 28. THE COMMISSION examined the undermentioned elaboration of, to = Commission Files containing proposals for the elaboration Savcial easel F of the provisions in Article 31 in relation to the designation Secretary invited to of holotypes and the selection of lectotypes submitted _ eh akan peg respectively by Dr. W. J. Arkell (then of the University

Museum, Oxford) and Dr. H. E. Hinton (British Museum

(Natural History), London) :—

(a) File Z.N.(8.)179, containing a request received from Dr. Arkell for a ruling on the question of the procedure which an author should adopt when selecting a lectotype of a previously named species in cases where the author of the specific name had given » both a description or figures of specimens and also bibliographical references to previously published descriptions or figures and, in publishing, the name, had given an indication, such as the use of the expression “‘ nom. nov.” (or an equivalent expres- sion) or the selection as the basis for the new trivial name either of the personal name of the author to whose work a reference had been given, or of the name of the type locality of the species, which implied that the species thus given a new name was more closely linked to the material to which

_ International Commission on Zoological Nomenclature.

the cited bibliographical reference applied than to the new material before the author at the time when he published the new name ;

(b) File Z.N.(S.)180, containing a fequest received from Dr. Hinton as to the species to which a trivial name should adhere, if, when first published, it was applied both to certain material there described and also to a previously published nominal species, the name of which required to be replaced by reason of its being an invalid homonym, in a case where later examina- tion shows that the author of the new trivial name was in error in identifying the material which he described with the species which required a new trivial name.

De Arkell had illustrated the aaa which he had submitted by referring to certain names published in 1938 by M. V. Maire for new species of the Order Ammonoidea (Class Cephalopoda). Dr. Arkell took the view that, where a new specific name was based partly upon a previously published description and partly upon additional material, the latter should be excluded from consideration when a lectotype is selected by a later author in every case where the author of the new name applies to it the expression “nom. nov.” (or an equivalent expression such as nom. mut.”). Dr. Arkell further suggested that.a Recommanda- tion should be added to the Régles urging that in cases such as those referred to above authors, when selecting a lectotype for a nominal species, should give preference to the specimen described by a previous author even where the expression “nom. nov.” (or equivalent expression) was not used, in cases where the trivial name of the new species was based either upon the personal name of the previous author whose work was so cited, or upon the name of the type locality specified by the previous author. Dr. Arkell had realised that cases would arise where an author would be faced with the need to give a new name to.a species already described

or figured in the literature under a wrong name but where ~

that description or figure was much less satisfactory than that which, with the help of additional material, the later author was in a position to give. To meet this type of case, Dr. Arkell suggested that a further Recommandation should be added to the Regles urging authors in such cases to describe the species as a new species and to avoid taking the name of the earlier author or of the type locality cited by that author as the basis for the new trivial name.

The application submitted by Dr. Hinton arose out of the circumstances in which in 1856 the specific name Ptinus

tectus (Class Insecta, Order Coleoptera) had been published

- en)

14th Meeting, Paris, July, 1948. 501

by Boieldieu. Boieldieu had published that name with a description of a Tasmanian insect but had explained that he regarded that insect as the same as that already named Ptinus pilosus White [1846], a name which, however, could not be used for this species, since it was an invalid homonym of Ptinus pilosus Miiller, 1821; he (Boieldieu) accordingly renamed White’s pilosus giving it the name Ptinus tectus. Dr. Hinton went on to explain that, while the description of the Tasmanian insect clearly applied to a true Ptinus, . the species which White had named Ptinus pilosus was (as Blair (1928) had shown) not a Ptinid at all but an Anobiid. The question was to which of these totally different species did the name Ptinus tectus Boieldieu properly belong under the Regles. Dr. Hinton considered that the correct view to take was that on the same page Boieldieu had given the same name (Ptinus tectus) independently to two different species, that the relativé priority to be assigned to those »two names should be determined by reference to the position on the page on which they respectively occurred, and therefore that, as the name Ptinus tectus had been applied by Boieldieu to the Tasmanian’ species higher on the page than the place where he had stated that the name was a nom. nov. for Ptinus pilosus White, the name Ptinus tectus Boieldieu applied to the Tasmanian species, the same name given as a nom. nov. to White’s pilosus being invalid as a junior primary homonym.

It was pointed out in discussion that, although the cases submitted by Dr. Arkell and Dr. Hinton respectively were not strictly identical with one another, they had one feature in common, in that they were both concerned with the identification (through the selection of a lectotype or otherwise) of the species (or the specimen) to which a given specific name should adhere when that name was based partly upon material before the author at the time when he drew up the description of the new species and partly. upon a previously published description or figure, the new name being expressly designated by its author as a nom. nov.” The approach to this problem by these specialists was noticeably different, Dr. Arkell considering that in such a case the material of the earlier author cited in the original description of the later published nominal species should alone be eligible for selection as the lectotype of the latter species, the material actually before the later author being ruled out for this purpose, while Dr. Hinton considered that, where the author of a name applied that name both to the material before him and also as the nom. nov. for a previously published species and it was later found that the former was not conspecific with the latter, the question as to which of

502 International Commission on Zoological Nomenclature.

Meuschen’s Index to Gronovius, 1763-1781,

Zoophylacium Gronovianum rejection or, for nomenélatorial purposes

the species concerned should be the species to which the new name should adhere should be settled in accordance with the principle of page, and, if necessary, line precedence. This difference in outlook suggested that before a decision was taken on these questions, it would be desirable to obtain information regarding the general practice in cases of this kind and on the general wishes of zoologists in this matter. It was felt therefore that as a preliminary to the considera- tion of these cases, the Secretary to the Commission should be asked to confer with interested specialists in different groups of the Animal Kingdom and in the light of the information so obtained to submit a full Report, with recommendations, for the consideration of the Commission at their meeting to be held at Copenhagen in 1953 during the next (XIVth) meeting of the International Congress of Zoology.

THE COMMISSION agreed to recommend :—

that the Secretary to the Commission should be invited to make a thorough study, in consultation with interested specialists, of the problems arising under Article 31 in relation to the identity of the species to which a given specific name applied, where that name was based partly upon specimens and partly upon a description previously published for a nominal species, the name of which or, as the case might be, the name applied to which by a previous author was rejected by the author of the new name, either because the name so used by the previous author was an unavailable name or because, when originally published, it had been applied to some other species.

29. THE COMMISSION examined Commission File Z.N.(S.)311, containing, inter alia, an application submitted by Commissioner Francis Hemming (United Kingdom) asking the Commission to give a ruling that the narhes published by Meuschen (F. C.) in the index to Gronovius’ Zoophylacium Gronovianum, 1763-1781, were not available under the Régles, that author on that occasion not having applied the principles of binominal nomenclature as required by Proviso (b) to Article 25.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that his work as a lepidopterist had led him before the outbreak of war in 1989 to examine carefully the index prepared by Meuschen to the non-binominal work, Zoophylacium Gronovianum of Gronovius, for the purpose of ascertaining whether that index contained any trivial

~ names for species of butterflies of which account should be

OE an

- (Previous reference: Lisbon Session,

5th Meeting, Conclusion 3)

(Previous references:

Paris Session, 4th Meeting, Conclusion 3 ; 6th Meeting, Conclusion 67)

14th Meeting, Paris, July, 1948, 503

taken. That examination had shown clearly that, while in this index Meuschen had applied the principles of binary” nomenclature in the sense in which that ex- pression was then commonly used (i.e. he had recognised that the name of an animal should be constructed in such a way as to recognise two concepts, that of the genus and that of the species included in the genus) but that he had not applied the principles of binominal nomenclature, although many of the names there applied to Species (in addition to the generic name) consisted of single words. This was the result mainly of the fact that in the great majority of cases these names consisted of univerbal trivial names copied by Meuschen from the 10th edition of the Systema Naturae of Linnaeus. In these circumstances, he had put this matter on one side, consideririg that no definite decision regarding the availability of new names in Meuschen’s index could be reached until, at its next meeting the International Congress of Zoology reached a final decision on the meaning of the expression nomen- clature binaire (as used in the Regles) in the light of the comprehensive Report which at Lisbon it had been agreed should be prepared by the Commission for consideration at the XIIIth International Congress. All doubts as to the meaning to be attached to Proviso (b) to Article 25 (where the expression nomenclature binaire had hitherto figured) had been removed by the decisions taken during the present Session to recommend that the expression nomenclature binominale should be substituted for the expression nomenclature binaire and that the expression “principes de la nomenclature binominale” should be

- Clarified. These recommendations had been approved by

the Section on Nomenclature and on the following morning would. be submitted to the Congress for final approval in Concilium Plenum. As the result of these decisions, a hame was only to be accepted as available under Article 25 if throughout the work in which it was published the author of the name consistently applied the principles of binominal .nomenclature, Meuschen in his index to Gronovius’ Zoophylacium Gronovianum had certainly not consistently applied these principles, as could readily be seen from the photostat in the file of a portion of the index made from the copy in the British Museum that had been kindly furnished by Mr. N. D. Riley. Accordingly, no new names that figured in Meuschen’s index possessed any availability under the Regles as from the date of being so published. He (the Acting President) accordingly invited the Commission to’ give a decision in this: sense. The Acting President added that a decision on this question

504

(Later reference: Paris Session, 14th Meeting, Conclusion 53)

Podura Linnaeus, 1758, and Tomoceros Nicolet, 1842 (Class Insecta, Order Collembola) : designation of

type species of, under the plenary powers ; Linnaeus, 1758, correction in

Official List of Generic Names in Zoology of entry relating to

Podura”

International Commission on Zoological Nomenclature.

was needed as a preliminary to the correction of the errors in Opinion 13 (relating to the trivial name of the Sand Crab), proposals in regard to which would be brought before the Commission later during the present meeting and in con- nection with which the status of Meuschen’s Index to the Zoophylacium had recently been raised by Dr. Fenner A. Chace, Jr. (U.S. National Museum, Washington, D.C.).

IN DISCUSSION the view was expressed that it was very desirable tliat rulings should be given by the Commission in regard to the availability of names published in little known (and, as in the present case, scarce) books by old writers of questionable binominal standing, in order, to give a guide to systematists as to which of these works were to be accepted and which ignored.

THE COMMISSION agreed :—

(1) that in his index to Gronovius, 1763-1781, Zoophylacium Gronovianum, Meuschen (F.C.) had- not consistently applied the principles of bi- nominal nomenclature, as required by Proviso (b) to Article 25 ;

(2) that, in view of (1) above, no new name published in the foregoing index prepared by Meuschen possessed any availability under the Régles in virtue of having been so published ;

(3) to render an Opinion recording the decisions specified in (1) and (2) above.

30. THE COMMISSION examined Commission File Z.N.(S.)199, containing the undermentioned applications for the use of the plenary powers for the purpose of designating Podura aquatica Linnaeus, 1758, as the type species of the genus Podura Linnaeus, 1758, in place of the unrecognisable nominal species Podura plumbea Linnaeus, 1758 (Class Insecta, Order Collembola) :—

(a) an application submitted by M. Hermann Gisin - Pp Mf (Museum d’Histoire Naturelle, Geneva) ;

(b) an application submitted by Dr. Jiri Paclt (National Museum, Prague, Czechoslovakia).

In his application M. Gisin had explained that the type species of the genus Podura Linnaeus, 1758, was Podura plumbea Linnaeus, 1758, that species having been so selected by Latreille (1810). The Commission itself had accepted this species as the type species of this genus when (in Opinion 104) they had placed the generic name Podura Linnaeus, 1758, on the Official List.’’ Unfortunately, however, it was not possible definitely to identify the

14th Meeting, Paris, July, 1948. 505

species to which Linnaeus had applied the name Podura

plumbea, but it was clear that it was some species of the

genus now known as Tomocerus Nicolet, 1842, of which,

indeed, this nominal species was one of the originally included species. On the other hand, the name Podura Linnaeus was very well known as the name of the mono-

typical genus. containing the species Podura aquatica Linnaeus, 1758. An enormous literature had grown up around the generic name Podura as used in this sense, and great confusion would be caused if it were necessary not only to abandon the use of the name Podwra Linnaeus for the species Podura aquatica Linnaeus, but also, in future,

to use that generic name in an entirely different sense, that

is, as the name of the genus now known as Tomoceros Nicolet. For over 100 years every worker in the group,

except Borner (1901) (who had subsequently recanted), had - used the generic name Podura Linnaeus for Podura aquatica Linnaeus. It was the object of the present application to validate the universal practice of specialists in this matter. As regards the genus Tomoceros Nicolet,

both the originally included nominal species were unrecog-

nisable. Thus, if, as was highly desirable, the position of this generic name was to be regularised, it would not be possible to designate either of the originally included species to be its type species. M. Gisin suggested that the desired end should be. secured by the designation, under the plenary powers, of Macrotoma minor Lubbock, 1862, as the type species of this genus, this being a well-established

species which specialists were agreed was referable to’ this genus.

The application received from Dr. Paclt (which was concerned only with the name Podura Linnaeus) followed the same lines as that submitted by M. Gisin, Dr. Paclt expressing the view that a state of confusion would be created if it were necessary to accept the unrecognisable nominal species’ Podura plumbea Linnaeus, 1758, as the type species of the genus Poduwra Linnaeus, 1758, and recommending that the Commission should therefore use their plenary powers to designate Podura aquatica Linnaeus, 1758, as the type species of this genus.

THE ACTING’ PRESIDENT (MR. FRANCIS HEMMING) said that, when, in the process of preparing the Official List of Generic Names in Zoology” for publication in book form, he, as Secretary to the Com- mission, had examined the Opinions under which the Official List had been built up, he had discovered that (in Opinion 104) the Commission had accepted the unrecog- nisable nominal species Podura plumbea Linnaeus, 1758, as

506

International Commission on Zoological Nomenclature.

the type species of the genus Podura Linnaeus, 1758. It was clearly useless to place on the Official List” a generic name that was indeterminate, through being based upon an unrecognisable species. He had therefore intended himself to make a proposal to the Commission in regard to this generic name in order that, by the designation, under the plenary powers, of a recognisable species to be the type species of this well-known genus, the position of the name Podura Linnaeus might be regularised before the Official List was published. The receipt of M. Gisin’s application had, however, rendered such action on his part unnecessary. The advertisement of this case, subsequent to the receipt of the applications submitted by M. Gisin and Dr. Paclt, had elicited strong support for the action proposed from Dr. Harlow B. Mills (Chief, State Natural History Survey Division; Department of Registration and Education, Urbana, Illinois, U.S.A.).. Interest in this application had been shown also by Mr. J. T. Salmon (Dominion Museum, Wellington, New Zealand). Finally (in a letter to -M. Gisin, communicated by the latter to the Commission) Dr. Maynard (University of Rochester, New York, U.S.A.) had also intimated his support for the present proposal.

IN DISCUSSION, it was agreed that there were excellent grounds for using the plenary powers to regularise the position of the well-known generic name Podura Linnaeus, and therefore that the present applications should be approved.

THE COMMISSION agreed :— (1) to use their plenary powers :—

(a) to set aside all selections of a type species for the undermentioned genera of the Order Collembola (Class Insecta), made prior to the present decision :—

(i) Podura Linnaeus, 1758 (ii) Tomoceros Nicolet, 1842 ;

(b) to designate the undermentioned species to be the type species of the genera specified in (1) above :—

(i) Podura aquatica Linnaeus, 1758, to be the type species of the genus Podura Linnaeus, 1758 ; (ii) Macrotoma minor Lubbock, 1862, to be the type species of the genus Tomoceros Nicolet, 1842 ; (2) to confirm the entry on the Official List of Generic Narfies in Zoology of the generic name

Amplypterus Hubner, [1819] (Class Insecta, Order Lepidoptera): determination of type species of

14th Meeting, Paris, July, 1948. 507

Podura Linnaeus, 1758, subject to the substitution, as its type species, of the species specified in (1)(b)(i) above and of the insertion of a note that this species had been designated as the type species of this genus by the Commission under their plenary powers ;

oo

to place the generic name Tomoceros Nicolet, 1842 (type species, by designation under the plenary powers: Macrotoma minor Lubbock, 1862) on the Official List of Generic Names in Zoology ”’ ;

(4

~

to place the undermentioned trivial names on the Official List of Specific Trivial Names in Zoology :—

aquatica Linnaeus, 1758 (as published in the binominal combination Podura aquatica)

minor Lubbock, 1862 (as published in the binominal combination Macrotoma minor) ;

(5) to render an Opinion recording the decisions specified in (1) to (4) above.

31. THE COMMISSION examined Commission File Z.N.(S.)204, containing an application from Senhor José Oiticica Filho (Museu Nacional, Rio de Janeiro, Brazil), asking for a ruling on the question of the type species of the genus Amplypterus Hitbner [1819] (Class Insecta, Order Lepidoptera), with special reference to the question of” principle raised in this case. Senhor Oiticica had drawn attention to a passage in a paper (1865) in which Grote, commenting on Hiibner’s treatment of this genus at the time that he established it, remarked that it contained “discordant material, while A. ganascus is regarded evidently as the typical species of his genus by Hiibner.” Was this sentence, Senhor Oiticica asked, to be regarded as a selection by Grote of the foregoing species as the type species of this genus? Senhor Oiticica had compared Grote’s action with that of Crotch who in a paper on the type species of Sphingid genera had on seyeral occasions referred first to one author as having selected a type species for a given genus and then to another as also having selected a type species for the same genus. Crotch’s action had been rejected by subsequent authors as not constituting a selection of the type species of the genera in question within the meaning of Rule (g) in Article 30. Senhor Oiticica concurred in this view and considered also that the action by Grote in the passage quoted above should be similarly rejected, on the ground that there was no clear

508 . International Commission on Zoological Nomenclature.

(Previous reference: Paris Session,

6th Meeting, Conclusion 72)

indication in that passage as to whether Grote himself regarded ganascus Stoll as the type species of the genus Amplypterus.

In discussion it was pointed out that, as the wording of Rule (g) in Article 30 had stood at the opening of the present Session, it had undoubtedly been too restrictive in character, for the then existing wording was such as to exclude from the scope of that Rule the very numerous cases where the currently accepted type selection rested upon a statement by a given author either (1) that a given previous author had selected a certain species to be the type species of the genus concerned in cases where no such previous selection had beén made or (2) in the case of the older authors, that such and such a species was the type species of the genus in question as the result of the action of previous authors in eliminating”’ from the genus the other originally included species. To meet cases of this kind the Commission had, during their present Session, agreed upon a liberalisation of the provisions of Rule (g). In so doing, they had agreed that while the revised wording should be such as to bring within the scope of the Rule cases where an author clearly stated that a given nominal species was the type species of the genus concerned, even where that author expressly stated that he was not himself then selecting that species for this purpose, the Rule in its amended form should provide alg> that it should be a condition of the acceptance of such a statement as a valid type selection that the author should make it clear that he himself regarded. (for whatever reason) the species in question as the type species of the genus under consideration. In these circumstances, it was now clear that Senhor Oiticica had interpreted Article 30 correctly when he had rejected Grote’s action in 1865 as not complying with the requirements of Rule (g) in that Article. In view of the clarification of that Rule agreed upon during the present Session, no question of principle arose any longer in con- nection with the present application, for it was evident from the words used by Grote that, while he had there expressed an opinion regarding the view held by Hiibner, he had given no indication regarding his own opinion on the question at issue. .

THE COMMISSION agreed :—

(1) that the statement by Grote (1865) that Hiibner, when establishing the genus Amplypterus Hiibner [1819] (Class Insecta, Order Lepidoptera), had evidently regarded A. ganascus Stoll “as the typical species of his genus,” did not constitute

Phylum Echinodermata : eight applications for the use of the plenary powers to validate accepted nomenclatorial usage submitted by Commissioner Th. Mortensen (Denmark) : preliminary considerations relating to

‘14th Meeting, Paris, July, 1948. 509

the selection by Grote, under Rule (g) in Article 30, of that species as the type species of the foregoing genus, for he had given no indication that he (Grote) himself accepted the above species as the type species of that genus ;

(2) that, in view of (1) above, the type species of this genus was the species first subsequently so selected in conditions which satisfied the requirements of the foregoing Rule (i.e. Sphinx panopus Cramer [1779], so selected by Kirby (1892) ) ;

_(3) to place the generic name Amplypterus Hiibner [1819] (type species by selection by Kirby, 1892 : Sphinx panopus Cramer [1779]) on the Official List of Generic Names in Zoology ;

(4) to place the’trivial name panopus Cramer [1779] (as published in the binominal combination Sphinx panopus Cramer) on the Official List of Specific Trivial Names in Zoology ;

(5) to render an Opinion recording the decision: specified in (1) to (4) above. ; Pa

32. THE COMMISSION examined Commission File Z.N.(8.)18, containing an application submitted to the Commission by Dr. (now Commissioner) Th. Mortensen (Denmark) for the use by the Commission of their plenary powers to validate the current use of the undermentioned generic names in the Phylum Echinodermata, in order to avoid the confusion which the strict application of the Reégles would cause :—

(a) Enerinus Schultze, 1760: proposed validation with Enerinus liliiformis Lamarck, 1801, as type species ;

(b) Archaeocidaris M’Coy, 1844: proposed validation with Cidaris urii Fleming, 1828, as type species ;

(c) Luidia Forbes, 1839: proposed validation, conse- quent upon the suppression of Bipinnuria Sars, _ 1835 ;

(d) Echinocyamus van Phelsum, 1774, and Fibularia Lamarck, 1816: proposed validation with Spatagus pusillus Miiller (O. F.), 1776, and Echinocyamus craniolaris Leske, 1778, as respective type species ;

(e) Phyllacanthus Brandt, 1835, and Strongylocentrotus Brandt, 1835: proposed validation with Cidarites (Phyllacanthus) dubia Brandt, 1835, and Echinus (Strongylocentrotus) chlorocentrotus Brandt, 1835, as Tespective type species ;

International Commission on Zoological Nomenclature.

(f) Spatangus Gray, 1825; Ova Gray, 1825 ; Schizaster Agassiz [1836]; Echinocardium Gray, 1825; Moira Agassiz, 1827; Brissus Gray, 1825: pro- posed validation with the undermentioned species as respective type species: Spatagus purpureus Miiller (O. F.), 1776 ; Spatangus canaliferus Lamarck 1816; Schizaster studeri Agassiz, 1840; Echinus cordatus Pennant, 1777 ; Spatangus atropos Lamarck, 1816 ; Spatangus brissus var. unicolor Leske, 1778 ;

(g) Diadema Gray, 1825: proposed validation with Echinometra setosa Leske, 1778, as type species ;

(h) Pholidocidaris Meek & Worthen, 1869, and ~

- Lovenechinus Jackson, 1912: proposed validation with Lepidocentrus irregularis Meek and Worthen, 1869, and° Oligoporus missouriensis Jackson, 1896, as respective type species.

Prior to submitting the foregoing applications to the Commission, Commissioner Mortensen had consulted 38 leading specialists in the Class Echinoidea and had obtained their views on the action proposed to be recommended to the Commission. Dr. Mortensen had then embodied the results of these consultations in a paper entitled A Vote on some Echinoderm Names” which was published in October, 1932 (Ann. Mag. nat. Hist. (10) 10: 354-368). The following is the list of specialists recorded as having taken part in the foregoing consultations :—

F. A. Bather (British Museum, London); A. G. Brighton (Sedgwick Museum, Cambridge); A. H. Clark (U.S. National Museum, Washington, D.C.); H. L. Clark (Museum of Comparative Zodlogy, Cambridge, Mass., U.S.A.); J Cottreau (Museum d Histoire Naturelle, Paris); E. D. Currie (Hunterian Museum, Glasgow); E. Deichmann (Museum of Comparative Zoélogy, Cambridge, Mass., U.S.A.) ; A. M. Diakonov (Zoological Museum, Leningrad) ; L. Déderlein (Munich); Sv. Ekman (Zoological Institute, Uppsala); A. Faas (Geological Committee, Leningrad); D. M. Fedotov (Zoological Laboratory, Leningrad); W. K. Fisher (Hopkins Marine Station, Pacific Grove, California) ; T. Gislén (Zoological Institute, Uppsala) ; Seitaro Goto (Tokio); J. W. Gregory (Geological Department, University, Glasgow) ; J. A. Grieg (Zoological Museum, Bergen); H. L. Hawkins (Geological Department, Unwersity, Reading); R. Hecker (Geological Museum, Leningrad); §. Heding (Zoological Museum, Copen- hagen); EH. Hérouard (Laboratoire de Zoologie, La Sorbonne, Paris); N. v. Hofsten (Zoological Institute,

(Previous reference : Lisbon Session,

4th Meeting, Conclusions 1-3)

VOL. 4 E

14th Meeting, Paris, July, 1948. 511

Uppsala); R. T. Jackson (Museum of Comparative Zoology, Cambridge, Mass., U.S.A); ¥. Klinghardt (Musewm f. Naturkunde, Berlin); J. Lambert (Paris) ; I. Lieberkind (Zoological Museum, Copenhagen) ; Aug. Nobre (Zoological Institute, Porto, Portugal) ; H. Ohshima (Zoological Laboratory, Fukuoka, Japan); A. Panning (Zoological Museum, Hamburg); A. Reichensperger (Zoological Institute, Bonn): I. P. J. Rayn (Palaeonto- logical Department, University, Copenhagen); W. E. Schmidt (Prussische Geolog. Landesanstalt. Berlin) ; W. K. Spencer (Ipswich, England); G. Stefanini (Geological Institute, Pisa); Dom Aurélien Valette (Saint-Léger-Vauban, France); (. Vaney (Laboratoire de Zoologie, Lyon); J. Wanner (Geological Institute, Bonn) ; N. Yakovlev (Geological Committee, Leningrad).

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that the foregoing application had been received in November, 1932, but for various reasons it had not been found possible by his predecessor to make progress with any of these cases except that relating to the names Luidia Forbes and Bipinnaria Sars (case (c) above), on which proposals had been submitted for consideration by the Commission at their meeting held in Lisbon in September, 1935. At that meeting, the Commission had reached a decision on the foregoing case (a decision which had shortly afterwards been embodied in Opinion 129) and had held a preliminary discussion in regard to case (g) (Diadema) and case (d) (Echinocyamus). On the first of these cases, the Commission had invited Dr. Mortensen and himself (Com- missioner Hemming) to confer together with a view to the submission of a fuller statement of the issues involved ; case (d) had been postponed for further consideration. Continuing, the Acting President said that it had not been possible to carry further the consideration of these cases (except Dradema (case (g) above) on which a further state- ment prepared by Dr. Mortensen in consultation with himself had been submitted to the Commission) by the time when in 1939 the outbreak of war in Kurope had first made It necessary temporarily to close down the Secretariat of the Commission and later, by the German occupation of Denmark, had made it impossible for him (the Acting President), as Secretary to the Commission, to communicate with Dr. Mortensen. Immediately after the close of the war, he had, however, written to Dr. Mortensen asking him to furnish concise statements, with full bibliographical data, in regard to each of the cases in question. In addition, he had visited Copenhagen in August, 1946, and had had an opportunity of a full discussion with Dr.

512 International Commission on Zoological Nomenclature.

( Previous reference:

Lisbon Session, 4th Meeting, Conclusion 2)

(Previous reference:

Paris Session, 13th Meeting, Conclusion 27)

Mortensen in regard to these cases. As a result, Dr. Mortensen had submitted supplementary statements in regard to cases (b) (Archaeocidaris), (d) (Echinocyamus), (e) (Phyllacanthus), and (f) (Spatangus). Dr. Mortensen had intimated, as regards case (a) (Hncrinus), that he would prefer that the work on the remaining stages of this application should be undertaken by some Crinoid specialist, while, as regards case (h) (Pholidocidaris), he had stated that he regarded this case as of much less importance than the others which he had submitted and in the circumstances did not propose to continue with it. The position was therefore that out of the eight cases submitted by Dr. Mortensen in 1932, one (Luidia) had been settled at Lisbon in 1935, and another (Diadema) during the present Session, one (Encrinus) had been transferred by Dr. Mortensen to other hands, and one (Pholidocidarts) had been withdrawn. The files containing the four remaining cases should, he (the Acting President) suggested, now be examined by the Commission with a view to decisions being taken on the issues involved. THE COMMISSION :— (1) took note :—

(a) that a decision on the third of the applica- tions submitted by Dr. Mortensen (Copen- hagen) (relating to the names Bipinnaria Sars, 1835, and Luidia Forbes, 1839) (case (c) ) had been taken at the Session held at Lisbon in 1935 and that the only action which now required to be taken was to place on the “Official List of Specific Trivial Names” the trivial name ciliaris Philippi, 1837 (as published in the binominal combination Asterias ciliaris), that being the oldest available trivial name of a species subjectively identified by specialists with the species bearing the trivial name fragilissima Forbes, 1839 (as published in the binominal combination Luidia fragilis- sima), the type species of the genus Lwidia Forbes, 1839, placed on the Official List of Generic Names in Zoology” in Opinion 129 rendered by the Commission in con- sequence of the decision referred to above ;

(b) that a decision had already been reached during the present Session on the seventh of the applications submitted by Dr. Mortensen (relating to the name Diadema Gray, 1825) ( case (g) ) ;

VOL, 4 £2

14th Meeting, Paris, July, 1948. B13

(2)

(3

~~

(4)

(c) that Dr. Mortensen had suggested that the responsibliity for the remaining stages of the first of the applications which he had submitted (relating to the name Encrinus Schultze, 1760) (case (a)) could more appropriately be undertaken by a specialist in Crinoids than by himself ;

(d) that Dr. Mortensen had intimated his desire to be permitted to withdraw the eighth of the applications which he had originally submitted, namely case (h) relating to the names Pholidocidaris Meek and Worthen, 1869, and Lovenechinus Jackson, 1912 ;

agreed, with reference to (1)(a) above, to place the trivial name ciliaris Philippi, 1837 (as published in the binominal combination Asterias ciliaris) on the Official List of Specific Trivial Names in Zoology ;

invited the Secretary to the Commission, with reference to (1)(c) above, to arrange, in consulta- tion with Dr. Mortensen, for a specialist in Crinoids to undertake responsibility for the remaining stayes of the application relating to the name Encrinus Schultze, 1760, with a view to a decision being taken with as little further delay as possible either to use the plenary powers in this case or, alternatively, to place the foregoing generic name on the Official List” in the sense in which it should be applied under the Regles ;

agreed, with reference to (1)(d) above, that, having regard to the wide publicity which had been given to the proposal that the plenary power should be used in the case of the names Pholi- docidaris Meek & Worthen, 1869, and Loven- echinus Jackson, 1912, it would not be appropriate to allow that application to lapse, the proper course in such a case being to place on the relevant Official List’? the names for which it had previously been proposed that the plenary powers should be used, the entries so made to be those prescribed under the Regles, and accordingly invited the Secretary to the Commission to confer with specialists for the purpose of securing the submission to the Commission of alternative proposals on the foregoing lines, if that was the general wish of interested specialists ;

Echinocrinus Agassiz, 1841 (Class Echinoidea, Order Cidaroida), proposed suppression of, and Archaeocidaris M’Coy, 1844, proposed validation of, under the plenary powers : consideration postponed for additional information to be obtained

International Commission on Zoological Nomenclature.

(5) agreed to examine, in turn, the undermentioned Commission Files relating to the four remaining applications (cases (b), (d), (e) and (f) ) submitted by Dr. Mortensen, for the purpose of reaching decisions on the questions so submitted :—

(a) Commission File Z.N.(S.)320, relating to case (b) (Archaeocidaris) ;

(b) Commission File Z.N.(S.)318, relating to case (d) (Hchinocyamus) ;

(c) Commission File Z.N.(S case (e) (Phyllacanthus) ;

(d) Commission File Z.N.(S.)317, relating to case (f) (Spatangus).

33. THE COMMISSION examined Commission File Z.N.(S.)320, containing an application submitted by Dr. (now Commissioner) Th. Mortensen (Denmark) on his own behalf and on that of a large group of other specialists in

.)319, relating to

“the Class Echinoidea that the Commission should use their

plenary powers to suppress the generic name Echinocrinus Agassiz, 1841, and to validate the name Archaeocidaris M’Coy, 1844 (type species, by monotypy: Cidaris uri Fleming, 1828) (Class Echinoidea, Order Cidaroida). Dr. Mortensen explained that the early history of these names was clearly stated in a paper entitled ‘‘ Echinocrinus versus Archaeocidaris ’’ published by the late Commissioner F.A. Bather (United Kingdom) in 1907 (Ann. Mag. Nat. Hist. (7) 20: 452-456) and treated as part of the present application. Briefly, what had happened was _ that Agassiz (1841) had established the genus Echinocrinus for four species, of which the first was Cidaris uri Fleming, 1828 ; no type species was designated by Agassiz for this genus. In 1844, M’Coy recognised the genus Echinocrinus, including in it Cidaris urii Fleming and other species. Of Cidaris uri, M’Coy said that he had long ago distinguished this species in”’ his “‘ MSS., under the name of Archaeo- cidaris.” By publishing this observation M’Coy had unwittingly established the genus Archaeocidaris with Cidaris urii Fleming as the type species by monotypy. Once the fact that these fossils were Echinoids unrelated to Crinoids had been recognised, specialists were attracted by the appropriateness of the name Archaeocidaris published, but rejected, by M’Coy, and various authors had adopted it in place of Lchinocrinus, including ultimately (1849) M’Coy himself. Later, this name had been adopted by some authors as the basis of a family name. Great difference of opinion had existed among specialists for many years on the question of which of these generic names should be used for

14th Meeting, Paris, July, 1948. 515

the species originally described by Fleming as Cidaris uri. The late Commissioner Bather, in the paper referred to above, had rightly concluded that, under the Reégles, Echinocrinus Agassiz, 1841, was an available name, and must therefore take precedence over Archaeocidaris M’Coy, 1844. That conclusion was reached, however, six years before the grant to the Commission of plenary powers to suspend the Reégles in certain cases and the fact that on this occasion Bather accepted chinocrinus (though with reluctance) in preference to Archaeocidaris did not imply that he would have done so, if it had been possible at that time to seek the opposite solution by means of the plenary powers. This was clearly shown by the fact that many years later (1932) Commissioner Bather had joined with Dr. Mortensen in submitting the present application. This application had been one of the eight applications which had formed the subject of extensive preliminary consultation by Dr. Mortensen (as described in Conclusion 32 above). Of the 38 specialists then consulted, 35 had voted in favour of the submission of the present proposal to the Commission, while one (Lambert) had expressed the view that Archaeo- cidaris could be retained without resort to the plenary powers (i.e. that it was an available name under the Regles) ; only two of the specialists consulted (Gislén and von Hofsten) had withheld their vote, taking the view that, if this proposal were to be granted, it might lead to too many applications of a similar kind being brought forward. Dr. Mortensen strongly urged the adoption of the present proposal, arguing that it would be most unfortunate from every point of view if it were necessary to reject the highly appropriate name Archaeocidaris in favour of the absolutely misleading name Echinocrinus; such a change would be of no possible value to science and would be sure to lead to great confusion.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the present application had been advertised, but that the advertisement had elicited no adverse comment on the action proposed.

IN DISCUSSION the view was expressed that, although the application had clearly established that the name ' Echinocrinus was inappropriate and that from this point of view the name Archaeocidaris was to be preferred, no clear evidence had been advanced in support of the argument that actual confusion was likely to ensue if the Regles were allowed to take their course in this case and the availability of Echinocrinus Agassiz formally recognised. On the other hand attention was drawn to the statement at the conclusion of the late Commissioner Bather’s paper (submitted by Dr.

516 International Commission on Zoological Nomenclature.

“‘ Echinocyamus van Phelsum, 1774, and Fibularia Lamarck, 1816 (Class Echinoidea, Order Clypeastroida) : designation of type species of, under the plenary powers

Mortensen as part of his application) that already by 1907 the generic name Archaeocidaris had given its name to a family (ARCHAEOCIDARIDAE). It would be helpful if, before a decision were taken on this application, further information could be obtained on the nature and extent of the confusion to be expected if the name Archaeocidaris were now to be relegated as a synonym of Echinocrinus An application supported by virtually the entire body of interested specialists in all parts of the world was not to be lightly placed on one side.

THE COMMISSION agreed :—

(1) that, before a decision was taken on the applica- tion submitted by Dr. Th. Mortensen (Denmark) on his own behalf and on that of a large group of interested specialists that the Commission should use their plenary powers (a) to suppress the generic name Echinocrinus Agassiz, 1841, and (b) to validate the generic name Archaeocidaris M’Coy, 1844 (type species, by monotypy: Cidaris urii Fleming, 1828) (Class Echinoidea, Order Cidaroida), it was desirable to obtain further information regarding the nature and extent of the confusion apprehended if in this case the Régles were permitted to take their course, Echinocrinus Agassiz, 1841, replacing the name Archaeocidaris M’Coy, 1844 ;

(2) to invite the Secretary to the Commission to communicate the foregoing conclusion to Dr. Mortensen and, in consultation with him and other interested specialists, to prepare for the consideration of the Commission a Report setting out the views expressed by such specialists on the issue referred to in (1) above, in order that, in the light of the views so expressed, the Commission might reach a final decision on the foregoing application.

34. THE COMMISSION examined Commission File Z.N.(S.)318, containing an application submitted by Dr. (now Commissioner) Th. Mortensen (Denmark) on his own behalf and on that of a large group of other specialists in the Class Echinoidea that the Commission should use their plenary powers to secure that the generic names Echinocy- amus van Phelsum, 1774, and Fibularia Lamarck, 1816 (Class Echinoidea, Order Clypeastroida), should be used in their long-established sense, the former for species of the flat type, the latter for species of the high globose type.

14th Meeting, Paris, July, 1948. 517

Dr. Mortensen explained that, when van Phelsum first published the generic name Lehinocyamus, he placed in the genus so named what he regarded as 14 different species, some of which he stated had been taken in the Adriatic, the remainder in America. These species” had not been given Latin trivial names by van Phelsum, but these were supplied four years later by Leske (1778). The figures given by van Phelsum were very poor, but certain of them left no doubt in Dr. Mortensen’s mind that the species figured were of the flat type, while the reference to some of these specimens having been taken in the Adriatic confirmed this view, for only the flat species, known as Echinocyamus pusillus (Miiller (O.F.), 1776), i.e. the species originally described as Spatagus pusillus by Miiller, occurred in that area. Lamarck (1816) had not used the generic name Echinocyamus and had introduced a new name, Fibularia, in which he had placed three new nominal species, trigona (which was unrecognisable), ovulum, which was recognisable as a species of the high globose type and tarentina, which was another name for the flat type species known as Echino- cyamus pusillus. The first author to recognise that the species of the flat type and those of the high globose type were generically distinct from one another was Agassiz (1841), who then applied the name Echinocyamus van Phel- sum to the species of the flat type and Fibularia Lamarck to the species of the high globose type. Agassiz did not select type species for these genera, but from that time onwards until the publication of Lambert’s paper in 1891, all specialists had proceeded on the assumption that Echino- cyamus pusillus Miller (O.F.), 1776, was the type species of Echinocyamus van Phelsum and Fibularia ovulum Lamarck the type species of Fibularia Lamarck. In 1891, however, Lambert had published a paper in which he claimed to have proved that the figures given by van Phelsum for species of _ his genus Echinocyamus were of specimens of the high globose type and therefore that the name Echinocyamus van Phelsum must in future be transferred from the species of the flat type to those of the high globose type till then referred to the genus Fibularia Lamarck. At the same time Lambert applied the name Fibularia Lamarck to the species of the flat type, thus causing a most confusing exchange of meaning as between these two well-known generic names. Lambert’s conclusions had been challenged by the foremost authorities on fossil Echinoids, e.g. by Cottreau (1894) and de Loriol (1897) and also by Dr. Mortensen himself (1907, 1910) ,;who had rejected Lambert’s conclusions and, in so doing, had been joined by almost every other specialist concerned. Nevertheless Lambert had maintained his point of view and in 1914 in his “* Essaide

International Commission on Zoological Nomenclature.

bs

nomenclature raisonée des Kchinides,’ written jointly with Thiéry, the names Hchinocyamus and Fibularia were used in the transposed sense. When Dr. Mortensen had held the consultation with specialists on which the present application was founded, all but one of the 38 specialists in question (for whose names see Conclusion 32 above) had supported the submission of the present application to the Commission, the single opponent being Lambert himself. The application now before the Commission in its resubmitted form was identical in object with the original petition of 1932, but it differed from that petition

‘in one point of detail. In 1932 the applicants had asked

that the Commission should designate as the type species of Fibularia Lamarck the species Echinocyamus craniolaris Leske, 1778, that name being then considered to be the oldest available name for the high globose species to which Lamarck had given the name Fibularia ovulum. It was now realised that this identification was incorrect, the species to which Leske had given the name craniolaris being not a species of the high type but the flat species which Miiller (O.F.) in 1776 had named Echinocyamus pusillus. Ac- cordingly, in the application, as resubmitted, the Commission were asked to designate Fibularia ovulum Lamarck as the type species of Fibularia Lamarck, thereby securing that that generic name should be used for the species of the high globose type.

THE ACTING PRESIDENT said that the present case had been advertised but the advertisement had elicited no adverse comment on the action proposed.

IN DISCUSSION the view was expressed that this was a case where confusion had arisen (or was calculated to arise) in the main not through the strict application of the Reégles but through doubt as to how the Régles should be applied as the result of differences of opinion on the taxonomic question of the identity of the species included by van Phelsum in his genus Echinocyamus. In addition, however, there were strictly nomenclatorial issues involved, such as the doubt as to whether van Phelsum could properly be regarded as a binominal author (and therefore whether, without the use of the plenary powers, the name Echinocyamus had any standing as from van Phelsum, 1774) and the situation created by the selection by H. L. Clark (1914), as the type species of Fibularia Lamarck, of the species Fibularia trigona Lamarck, a species regarded by the present applicants as being unrecognisable. There was general agreement, however, that the plenary powers should be used in this case, in order to prevent the confusion which would inevitably follow the transfer of the name

14th Meeting, Paris, July, 1948. 519

Echinocyamus to the genus now known as Fibularia and of the name Fibularia to the genus now known as Echinocyamus.

THE COMMISSION agreed :—

(1) to use their plenary powers to set aside all selec- tions of type species for the undermentioned genera and to validate the generic names in question, with the species specified below as respective type

species :— Generic name Species designated as the validated type species of the genus specified in Col. (1) aN) She wba) Echinocyamus van Echinocyamus pusillus Phelsum, 1774. Miiller (O.F.), 1776. FibulariaLamarck, Fibularia ovulum 1816. Lamarck, 1816.

(2) to place on the “‘ Official List of Generic Names in Zoology ’’ the generic names Echinocyamus van Phelsum, 1774, and Fibularia Lamarck, 1816, with the type species severally specified in (1) above ;

(3) to place the undermentioned trivial names on the “Official List of Specific Trivial Names in Zoology :—

pusillus Miiller (O.F.), 1776 (as published in the binominal combination Echinocyamus pusillus) ; ovulum Lamarck, 1816 (as published in the binominal combination Frbularia ovulum) ;

(4) to render an Opinion recording the decisions specified in (1) to (3) above.

Phyllacanthus 35. THE COMMISSION examined Commission File ea Cider: Z.N.(S.)319, containing an application submitted by Dr. aad ibid (now Commissioner) Th. Mortensen (Denmark) on his own

“Strongylocentrotus behalf and on that of a large group of other specialists in (Class Echinoidea,

St ley the Class Echinoidea that the Commission should use their Camerodonta) plenary powers to direct that the names Phyllacanthus rien as of Brandt, 1835 (Class Echinoidea, Order Cidaroida) and al aS Strongylocentrotus Brandt, 1835 (Class Kchinoidea, Order 1835, under the Camarodonta) were to be treated as having been published plenary powers by the above author as subgeneric names with Cidarites

(Phyllacanthus) dubius Brandt, 1835, and Echinus (Strongylocentrotus) chlorocentrotus Brandt, 1835, as re- spective type species. Dr. Mortensen explained that the names Phyllacanthus and Strongylocentrotus were accepted by Agassiz and by all subsequent authors up to the year

520

International Commission on Zoological Nomenclature.

1909. Both names, especially Strongylocentrotus, had in this way become widely known, not only in echinological literature, but also in biological literature generally. In 1909, however, Lambert and Thiéry had advanced the view that these names had not been published by Brandt as new subgeneric names, but as synonyms, respectively, of Cidar- ites Leske, 1778, and Echinus Linnaeus, 1758. On the basis of this conclusion, these authors had then proceeded to make a considerable number of consequential changes in the nomenclature of the group of which these genera formed part. The conclusions reached by Lambert and Thiéry in regard to Brandt’s intentions when he published these two names were regarded as highly disputable by echinologist generally, by whom the changes in nomenclature suggested by Lambert and Thiéry had not been accepted. While in Dr. Mortensen’s view, it was possible that these two names had, in fact, been looked upon by Brandt as synonyms (of Cidarites and Echinus respectively), the practical applica- tion of this conclusion would, in his opinion and in that of the large number of specialists associated with him in the present application, lead to great confusion and could not possibly be justified. The present application had been one of the eight applications on which Dr. Mortensen had consulted 38 leading specialists before (in 1932) he submitted his proposals to the Commission. Of these specialists (the names of whom have been given in Conclusion 32), 37 had voted in favour of the submission of the present proposals to the Commission, the sole exception being Lambert himself.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the present case had been advertised but the advertisement had elicited no adverse comment on the action proposed. As regards the trivial name of the type species of the genus Strongylocentrotus Brandt, the Acting President observed that that species was invariably known by the trivial name drobachiensis Miiller (O.F.), 1776 (as published in the binominal combination Echinus drobachiensis) and that, in view of the fact that it was proposed in. any case to use the plenary powers to validate the generic name Strongylocentrotus, and to designate its type species, it would be desirable at the same time to designate the foregoing nominal species to be the type species rather than the nominal species Echinus (Strongylo- centrotus) chlorocentrotus Brandt, 1835, the name under which the taxonomic species concerned had been cited by Brandt, when he published the name Strongylocentrotus.

IN DISCUSSION the view was expressed that it would clearly be wrong to countenance the introduction of

14th Meeting, Paris, July, 1948. 521

extensive and confusing changes in the nomenclature of a group, on the strength solely of an argument which (as here) rested upon a subjective interpretation of the intention of a given author when publishing a given name, when (as here) that interpretation was contested by almost the entire bod y of interested specialists. In view of the doubts arising from the interpretation by Lambert and Thiéry of Brandt’s intentions when he first published the names Phyllacanthus and Strongylocentrotus, it would be necessary for the Commission to use their plenary powers, in order to put an end to further discussion. It would be desirable, however, that, in this, as in previous similar cases, the Commission should use those powers conditionally and to such extent (if any) as might be necessary. In other words, the Commission should make it clear that in using those powers for the purpose of validating the foregoing names as of subgeneric status as from Brandt, 1835, they did so only if and in so far as this course was necessary to attain the desired end and that their action in this matter was not to be construed as expressing an opinion on the question whether (as alleged by Lambert and Thiéry) the names in question had been regarded by their original author, not as subgeneric names, but as synonyms of the generic names, with which these names had been severally associated by that author.

THE COMMISSION agreed :— (1) to use their plenary powers :— (a) to such extent as might be necessary :—

(i) to validate the names Phyllacanthus Brandt, 1835, and Strongylocentrotus Brandt, 1835 (Class Kchinoidea, Order Cidaroida) as of subgeneric status as from the date of being so published ;

(ii) to designate Cidarites (Phyllacanthus) dubius Brandt, 1835, as the type species of Phyllacanthus Brandt, 1835,

(b) to designate Echinus drobachiensis Miiller (O.F.), 1776, to be the type species of the genus Strongylocentrotus Brandt, 1835 ;

(2) to place on the Official List of Generic Names in Zoology” the names Phyllacanthus Brandt, 1835, and Strongylocentrotus Brandt, 1835, validated as in (1) above and with the type species there severally specified ;

522 International Commission on Zoological Nomenclature.

“* Spatangus Gray, 1825, Ova” Gray, 1825,

“* Schizaster Agassiz, [1836],

* Echinocardium Gray, 1825,

Moira” Agassiz, 1872, and Brissus” Gray, 1825 (Class Echinoidea, Order Spatangoida) : validation of current nomenclatorial practice in regard to, under the plenary powers

(3) to place the undermentioned trivial names on the Official List of Specific Trivial Names in Zoology :—

dubius Brandt, 1835 (as published in the binominal combination Cidarites (Phyllacanthus ) dubius) ;

drobachiensis Miiller (O.F.), 1776, as published in the binominal combination Echinus dro- bachiensis) ;

(4) to render an Opinion recording the decisions specified in (1) to (3) above.

36. THE COMMISSION examined Commission File Z.N.(8.)317, containing an application submitted by Dr. (now Commissioner) Th. Mortensen (Denmark) on his own behalf and on that of a large group of other specialists in the Class Echinoidea that the Commission should use their plenary powers in various ways to validate existing nomen- clatorial practice in regard to six associated generic names in the foregoing Class, where, if the Regles were to be strictly applied, serious disturbance and consequential confusion would inevitably ensue. The generic names in question were: Spatangus Gray, 1825; Ova Gray, 1825 ; Schizaster Agassiz [1836]; Echinocardium Gray, 1825; Moira Agassiz, 1827; Brissus Gray, 1825. The following is a summary of the principal points made by Dr. Mortensen in regard to each of the foregoing names :—

(1) Spatangus Gray, 1825: This name had been used by the older authors (Klein, Leske) in a very wide sense under which it covered species now included in different families and even different Orders. Lamarck (1816) applied it to all the Spatangoids, of which, however, he cited only one by name, the new nominal species Spatangus vulgaris Lamarck (which had proved to be the same species as that now known as Brissus carinatus). If therefore Lamarck were treated as the author of the name Spatangus, that generic name would replace Brissus Gray and the species now known as Brissus carinata would have to be known as Spatangus vulgaris Lamarck. No one had, however, adopted this course. The true author of the generic name Spatangus in the modern sense was Gray (1825), who had placed in this genus only Spatagus purpureus Miiller (O. F.), 1776. So regarded, the genus Spatangus Gray was monotypical with the above species as its type species. It was in this sense that the generic name Spatangus had been used by all subsequent specialists until in 1902 Lambert had advanced the view that this name should be used not in the sense

14th Meeting, Paris, July, 1948. ' 523

in which it had been employed by Gray in 1825 but in the sense in which it had first been used by Klein ; that on this basis this generic name was not applicable to the species Spatagus purpureus Miiller, which accordingly Lambert placed in a new genus to which he applied the name Prospatangus. Dr. Mortensen agreed that Gray had used the name Spatangus in a sense different from that of Klein. It would, however, in Dr. Mortensen’s view. create the greatest confusion to abandon the use of the name Spatangus for purpureus Miiller and to apply that name, as suggested by Lambert, to Spatangus canaliferus Lamarck, 1816.

(2) Ova Gray, 1825: The type species of this genus by monotypy was Spatangus canaliferus Lamarck, 1816. Accordingly under Lambert’s view Ova Gray was an objective synonym of Spatangus as interpreted by that author. Dr. Mortensen asked that, when the Commission validated the name Spatangus as from Gray, 1825, and in consequence validated the designation of Spatagus purpureus Miiller as the type species of that genus, they should also confirm the availability of Ova Gray, 1825, with Spatangus canaliferus Lamarck as its type species.

(3) Schizaster Agassiz [1836]: The type species of this genus was the fossil species Schizaster studeri Agassiz, 1840. This genus had been accepted even by Lambert and Thiéry notwithstanding their views on the generic position of Spatangus canaliferus Lamarck (see (1) above), a species which had formerly been referred to the genus Schizaster.

(4) Echinocardium Gray, 1825, and (5) Moira Agassiz, 1872: Gray had placed in the genus Echinocardium three species, of which the first was Spatangus atropos Lamarck, 1816. Agassiz, the next author to deal with this subject, rejected the name Echinocardium Gray, sinking it as a synonym of a new generic name of his own (Amphidetus). At the same time Agassiz transferred Spatangus atropos Lamarck, 1816, to his new genus Schizaster, in which also (as shown in (3) above) he placed the new species Schizaster studert. In their “Catalogue raisonée” Agassiz and Desors cited Echinus cordatus Pennant, 1777, as the first species of the genus Amphidetus Agassiz, 1836 (which, as noted above, Agassiz had previously adopted in place of the earlier name Hchinocardium Gray, 1825). In a later paper (“ Synopsis des Echinides fossiles”) Desors accepted Echinocardium Gray (sinking Amphidetus Agassiz as a synonym), citing Echinus cordatus Pennant as the first species. In the meantime Michelin had established the genus Moera Michelin, 1855, based upon Spatangus atropos Lamarck, which was accordingly treated by later authors as though it had been designated as the type species of the

or

International Commission on Zoological Nomenclature.

genus Moera Michelin. Later it was found that this generic name was an invalid homonym, and Agassiz (1872) accordingly altered it to Moira. Since that date all specialists in the group had accepted the genera Echino- cardium Gray, 1825, and Moira Agassiz, 1872, treating Echinus cordatus Pennant, 1777, as the type species of Echinocardium Gray, 1825, and Spatangus atropos Lamarck, 1816, as the type species of Moa Agassiz, 1872. Dr. Mortensen and his colleagues asked that this practice should be validated under the plenary powers.

(6) Brissus Gray, 1825: Gray had established this genus for four nominal species. The trivial names of the first and second of these species were ventricosus Leske and unicolor Leske respectively. The species bearing the first of these names had later been transferred to the genus Meoma Gray, 1851. Thereafter, the species bearing the trivial name wnicolor Leske had been treated by all authors as the type species of the genus Brissus Gray. Dr Mortensen asked the Commission to validate this practice under their plenary powers.

In conclusion, Dr. Mortensen had expressed the view that the six generic names covered by the present applica- tion were so inextricably connected that they could not be

treated separately. He accordingly asked the Commission

to use their plenary powers to validate all the generic names in question, as from the authors and dates of publication, and with the type species, indicated in the application. This application had been one of the eight applications on which, before submitting it to the Com- mission (in 1932), Dr. Mortensen had consulted 38 leading specialists who were working on the group in various parts of the world. Of these specialists, 35 had voted in favour of the submission to the Commission of the present applica- tion, two (Bather; Brighton) had not voted, while one only (Lambert) had voted against the course proposed.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the present group of applications had been advertised but the advertisement had elicited no adverse comment.

IN DISCUSSION the view was expressed that it was evident that the strict application of the Reéegles would completely change the way in which these generic names would in future have to be used. Great disturbance in nom- enclatorial practice would be involved and this would inevitably lead to widespread confusion, in view of the very extensive literature, extending far beyond the literature of systematic zoology, which had accumulated around such

14th Meeting, Paris, July, 1948. 525

names as Spatangus and Echinocardium. For these reasons and, having regard also to the strong support for these pro- posals expressed all but unanimously by the leading workers in this field in both Hemispheres, it was generally agreed that the objects sought by the applicants should be met by the Commission. On the other hand, some of the argument

advanced in the application were not of a character which could be entertained by the Commission ; in particular, it was not possible either to ignore for the purposes of Articles 25 and 34 the uses of a generic name prior to a certain date (on the ground that the earlier authors had placed discordant material in the genus concerned), or, under Article 30 to accord any right to be accepted as the type species of a genus to a given species, on the ground only that it was the first of the species to have been cited, among others, under the name of the genus by its original author. In drawing up the conclusion of the Commission on these applications, it would be necessary to pay due regard to these considerations. Again in some cases (for example, in the case of the names Schizaster Agassiz [1836], and Moira Agassiz, 1872 (as derived from the invalid homonym Moera Michelin, 1855), it was not clear from the application how the species there mentioned as type species of the genera concerned had come to be recognised as such, whether that process had been in accordance with the Rules specified in Article 30 and therefore whether the use of the plenary powers was necessary or not.

In further discussion it was agreed that the plenary powers should be used, where this was necessary, to secure the ends sought in the present application, but that, where it was doubtful (for any reason) whether the use of those powers was necessary to achieve the desired object, it should be expressly recorded that the plenary powers were used for that purpose only to the extent that might be necessary therefor. The Acting President, as Secretary to the Commission, was accordingly invited to examine the present application from the foregoing point of view after the close of the present Session and, in the light of that examination, to draft the Conclusion on this matter in such a way as, in his opinion, would meet fully the objects set out in the application and also the points made in the discussion as recorded above.

THE COMMISSION agreed :— (1) to use their plenary powers :— (a) to suppress the undermentioned generic names :— (i) Brissus Miiller, 1781 (Class Echin- oidea)

526 International Commission on Zoological Nomenclature.

(ii) Brissus Modeer, 1793 (Class Echin-

oidea)

(i) Brissus Link, 1807 (Class Echin- oidea)

(iv) Brissus Oken, 1815 (Class Echin- oidea)

(v) Brissus Dahl, 1823 (emend. of Bryssus Dejean, 1821) (Class In- secta, Order Coleoptera)

(vi) Bryssus Dejean, 1821 (Class Insecta, Order Coleoptera)

(vii) Brissus, as used by any other author prior to the publication of Brissus Gray, 1825

(vil) Echinocardium Leske, 1778, in so far as that name was published by that author as a generic name

(ix) Spatangus Leske, 1778

(x) Spatangus Modeer, 1793

(xi) Spatangus, as used by ary other author prior to the publication of Spatangus Gray, 1825 ;

(b) to validate the undermentioned generic names :—

(i) Brissus Gray, 1825 (Class Echin- oidea)

(ul) Echinocardium Gray, 1825 (Class Kchinoidea), in so far as this name requires to be validated by reason of the existence of the prior name Echinocardium Leske, 1778, sup- pressed, in so far as may be necessary in (a)(vill) above) ;

(ii) Spatangus Gray, 1825 (Class Echin- oidea) ;

(c) to set aside all selections of type species for the undermentioned genera made prior to the present decision and to designate the species severally specified below to be the type species of the genera concerned :—

(i) Echinus cordatus Pennant, 1777, to be the type species of the genus Echinocardium Gray, 1825, as validated, in so far as may be necessary, in (b)(1i) above ;

(Previous reference:

Paris Session, 6th Meeting, Conclusion 12)

VoL. 4F

14th Meeting, Paris, July, 1948. 527

(ii) Schizaster studert Agassiz (L.), 1840, to be the type species of the genus Schizaster Agassiz (L.) [1836] ;

(iii) Spatangus brissus var. unicolor Leske, 1778, to be the type species of the genus Brissus Gray, 1825, as validated in (b)(i) above ;

(iv) Spatagus purpureus Miiller (O.F.),

: 1776, to be the type species of the genus Spatangus Gray, 1825, as validated in (b)(iii) above ;

(d) in so far as the use of the plenary powers may be necessary to secure that Spatangus atropos Lamarck, 1816, shall be the type species of the genus Moira Agassiz (A.), 1872, to set aside all selections of type species made for that genus prior to the selection of the above species by Clark (H. L.), 1917;

(2) to place on record that the reputed generic name Brissus Leske, 1778 (Class Echinoidea), has no existence under the Réegles, as interpreted in Opinion 183 (now, as agreed upon at the meeting noted in the margin, to be incorporated in the Regles), having regard to the fact that this term was published by Leske in the nominative plural (as Brissi) instead of in the nominative singular, as required by Article 8 ;

(3) to place the names of the undermentioned genera of the Class Echinoidea (Order Spatangoida), with the type species severally specified below, on the “© Official List of Generic Names in Zoology ’’ :—

Name of genus Type species of genus specified in Gol. (1) (1) ~ (2)

Brissus Gray, 1825, Spatangus brissus var.uni- asvalidatedin(1) color Leske, 1778 (type (b) (i) above. species designated under

the plenary powers in (1) (c) (ii) above).

Echinocardium Echinus cordatus Pennant, Gray, 1825, as 1777 (type species desig- validated in (1) nated under the plenary (b) (i) above. powers in (1) (c) ()

above).

528 International Commission on Zoological Nomenclature.

Moira Agassiz(A.), Spatangus atropos 1872. Lamarck, 1816 (type species designated under the plenary powers in

(1) (d) above). Ova Gray, 1825 Spatangus canaliferus Lamarck, 1816 (type species by monotypy).

Schizaster Agassiz Schizaster studeri Agassiz (L.) [1836]. (L.), 1840 (type species ' designated under the plenary powers in (1) (c) (11) above).

Spatangus Gray, Spatagus purpureus Miiller 1825, as vali- (O. F.), 1776 (type dated in (1) (b) species designated under (i1) above. the plenary powers in

(1) (c) (iv) above).

(4) to place the undermentioned generic names and reputed generic names on the-“ Official Index of Rejected and Invalid Generic Names in Zoology :—

(i) the eleven generic names suppressed under the plenary powers, as specified in (1) (a) (i) to (xi) above ;

(ii) the reputed but non-existent generic name

Brissus Leske, 1778, rejected under (2) above ;

(iii) Prospatangus Lambert, 1902 ; (iv) Moera Michelin, 1855 ;

(5) to place the undermentioned trivial names on the Official List of Specific Trivial Names in : Zoology :—

atropos Lamarck, 1816 (as published in the binominal combination Spatangus atropos) canaliferus Lamarck, 1816 (as published in the binominal combination Spatangus canaliferus) cordatus Pennant, 1777 (as published in the binominal combination Echinus cordatus) purpureus Miller (O. F.), 1776 (as published in the binominal combination Spatagus purpureus) studeri Agassiz (L.), 1840 (as published in the binominal combination Schizaster studert)

VOL. 4 F?

‘14th Meeting, Paris, July, 1948. 529

unicolor Leske, 1778 (as published as a sub- specific trivial name in the trinominal combina- tion Spatangus brissus var. wnicolor)

(6) to render an Opinion recording the decisions specified in (1) to (5) above. °

Report by the Secretary to the Commission :

In accordance with the request of the Commission, I have re- examined the application submitted in this case for the purpose of determining how the objects set forth therein can be attained with the minimum use of the plenary powers, those powers being used only in respect of those purposes which can be achieved inno other wa y and being used con- ditionally “in so far as may be necessary in cases where such use may be necessary to achieve the desired ends but that need is not clearly established. In the course of this re-examination, I have had the benefit of the advice of Dr. Mortensen. In addition, I have consulted a number of the books and papers cited in the present application. The conclusions which I have reached are as follows :—

(1) Brissus and Spatangus: If, as proposed, the generic names Brissus and Spatangus are to be made available in the sense in which they were respectively used by Gray in 1825, it will be necessary to use the plenary powers to suppress all prior uses of these names, and to validate these two names as from Gray, 1825. In view of the fact that Gray did not.publish the names Brissus and Spatangus as new names and each, in order to acquire recognition under the Régles, requires the use by the Commission of their plenary powers, the same powers should be used to designate the type species of these genera. Quite apart from this consideration, the plenary powers would be necessary to ensure that the animal to which in 1778 Leske applied the trivial name unicolor should be the type species of this genus, for, even if that was the first of the originally included species to be selected by a later author to be the type species of this genus (which appears probable from, but is not clearly established in, the application submitted to the Commission), the type species of this genus would, under the Régles (Article 30, Rule (d) ), be Spatangus brissus Leske, 1778, by absolute tautonymy, in view of the fact that the trivial name unicolor was published by Leske in the combination Spatangus brissus var unicolor. If it had not been for the consideration indicated above, it would not have been necessary to use the plenary powers to designate Spatagus purpureus Miller (O. F.), 1776, as the type species of the genus Spatangus Gray, 1825, for that nominal species (attributed, however, to Leske) was the sole species then cited (: 430) by Gray under the generic name Spatangus and would accordingly have been the type species by monotypy.

'(3) Echinocardium Gray, 1825: This name is usually treated as having been first published in 1825 by Gray (by whom it was doubtfully attributed to van Phelsum), but, as pointed out in the application, the term Echinocardium appears in Leske’s Additamenta of 1778 as a trans- lation of the Belgian expression Egelhart used by van Phelsum. In order, therefore, to obviate the risk of a claim later being advanced that Leske used this word as a generic name and therefore that Echino- cardium Gray, 1825, is an invalid homonym, the conditional use of the

‘plenary powers under the formula “in so far asthe use of the plenary

powers may be necessary is desirable to suppress the name Echino- cardium as used (and in so far as it was used) by Leske in 1778 as a generic name and to validate, in so far as necessary, the generic name Echinocardium Gray, 1825. As regards the type species of this genus, the plenary powers are certainly necessary to secure the acceptance of Echinus cordatus Pennant, 1777, for that nominal species was not cited by Gray (: 430) when he published the generic name Echinocardium.

(4) Schizaster Agassiz (L.) [1836]: The name Schizaster Agassiz is itself an available name, but the plenary powers are needed to secure that Schizaster studeri Agassiz should be its type species, since although that

.

530

“* Arachnoides Leske, 1778,

Echinarachnius Gray, 1825 (Class Echinoidea) validated under

the plenary powers, .

and, with

“* Echinodiscus Leske, 1778 (Class Echinoidea), placed on the

“© Official List of Generic Names in Zoology

International Commission on Zoological Nomenclature.

name (binominal combination) appears in Agassiz’s original description of the genus Schizaster,.it was then only a nomen nudum, the trivial name in question not being published with an indication until 1840 (Agassiz, 1840, Cat. Ect. Ech.: 3).

(5) Moira Agassiz (A.), 1872: This name (which was published as a substitute for the invalid homonym Moera Michelin, 1855), is an avail- able name; the species, Spatangus atropos Lamarck, 1816, which is commonly treated as its type species, is eligible for selection as such, having been one of the species included by Michelin in his genus Moera. Moreover, that species has certainly been selected as the type species of this genus, e.g. by Clark (H. L.) in 1917 (Mem. Mus. comp. Zool., 46 : 195). It is not clear, however, either whether this was the first occasion on which this species was selected as the type species or whether any of the other originally included species had previously been so selected. In order to prevent any question being raised as to the validity of the selection of this species as the type species of this genus, it would be well, as in the case of the question of the availability of the generic name Echinocardium Gray, 1825 (discussed in (3) above), to use the plenary powers conditionally and “to such extent as may be necessary” to set aside all selections of type species for the genus Moira Agassiz, 1872, made prior to the selection of Spatangus atropos Lamarck as such by Clark (H. L.) in 1917.

(6) Ova Gray, 1825: This name, wrongly attributed by Gray (: 431) to van Phelsum, is an available name and the type species of the genus so named is Spatangus canaliferus Lamarck, 1816, by monotypy- The plenary powers are thus not required either to validate this name or to secure that the species accepted as the type species of this genus should in fact be its type species. This name was only included in the present application because the type species of this genus had been (erroneously) alleged by Lambert (1902) to be referable to the genus Spatangus, as interpreted by that author.

In the light of the foregoing conclusions, I have drafted the record of the Commission’s decision in this case in the terms set forth in Conclusion 36 of the Minutes of the 14th Meeting of the Paris Session, at which it was discussed, those terms giving effect to the decision of the Commission to meet the objects sought by Commissioner Mortensen in the present application and at the same time involving, as desired by the Commission, the minimum use of the plenary powers consistent with securing the objects referred to above.

(signed) FRANCIS HEMMING,

Secretariat of the Commission, 28, Park Village Kast, Regent’s Park, London, N.W.1, England.

22nd August, 1949.

37. THE COMMISSION examined Commission File Z.N.(S.)322, containing an application submitted by Commissioner Th. Mortensen (Denmark) that the Com- mission should use their plenary powers to place on the Official List of Generic Names in Zoology” the well- known generic names Arachnoides, Echinarachnius and Echinodiscus (Class Echinoidea) in such a way as to secure that these names should be rendered available for use in their accustomed sense. The following is a summary of the main points made by Commissioner Mortensen in his application in regard to each of these names.

(1) Arachnoides: This name was commonly attributed to Klein (1734), although it possessed, as from that date,

14th Meeting, Paris, J uly, 1948, 531

no availability under the Reégles, having been published by Klein prior to the starting point of zoological nomenclature. The first occasion subsequent to 1757 on which it was published by a binominal author was when it was so. published by Leske in 1778, Leske, however, while accept- ing the concept represented by Klein’s genus Arachnoides, had changed the name to Echinarachnius. eske had cited under this genus only Echinus placenta Linnaeus, 1758. This species had been treated as the type species of Arachnoides by every subsequent author and had been definitely selected as such by Agassiz (L.) in 1841. The name Arachnoides had continued to be used in this sense by virtually all workers in the group until in 1914 Lambert and Thiéry had rejected the name Arachnoides of Klein and Leske in favour of Echinarachnius Leske, 1778, on the ground that the name Arachnoides had been used in a different sense by Linck in 1733 and therefore that this name, as used by Klein in 1734, was invalid, his Arechnoides being a junior homonym of Arachnoides Linck, 1732. The acceptance of the contention advanced by Lambert and Thiéry, involving the transfer of the name Echinarachnius from its well-known sense (see (2) below) to the genus universally known by the name Arachnoides, would lead to great confusion. Although other specialists in the group had not accepted the views of Lambert and Thiéry, Dr. Mortensen had thought it desirable, in order to avoid any danger of the great confusion which would follow such an acceptance, to ask the Commission to use their plenary powers to place the generic name Arachnoides Klein on the * Official List of Generic Names” with Echinus placenta Linnaeus as type species.

(2) Echinarachnius Gray, 1825: This genus had been characterised by Gray who had placed in it Echinus placenta Linnaeus (the species similarly placed therein by Leske in 1778 when he first published this generic name) and Scutella parma Lamarck, 1816. The latter species had been selected as the type species of Echinarachnius by Agassiz (L.) in 1841 on the same occasion as that on which (as shown above) he had selected Echinus placenta Linnaeus to be the type Species of the genus Arachnoides. This genus, with the above species as type species, had been unanimously accepted by all subsequent workers until in 1914 Lambert and Thiéry (in the paper referred to in (1) above) had revived the name Echinarachnius Leske, 1778, for Echinus placenta Linnaeus, thus making the name Echinarachnius as used by Gray in 1825 an invalid homonym. It was part of Dr. Mortensen’s proposal that, in order to avoid the confusion

532

International Commission on Zoological Nomenclature.

which would otherwise be inevitable, the name Echin-

arachnius Gray, 1825 (type species: Scutella parma Lamarck, 1816) should be validated by the Commission at

the same time as they similarly validated the name

Arachnoides Klein.

(3) Echinodiscus Leske, 1778: This genus was estab- lished by Leske for a large number of species, of which Echinodiscus bisperforatus Leske, 1778, came-to be regarded by all workers as the type species and was ultimately selected as such by Clark (H. L.) in 1911. Except for a short period when some authors referred the above species to the genus Lobophora Agassiz (L.), 1841 (a name which had to be rejected when it was found to be a homonym), all specialists in this group had accepted the genus Echino- discus Leske (with the above species as type species) until in 1883 Pomel had advanced the claim that this name should be used as the generic name for Echinus placenta Linnaeus, on the ground that it had been used for that species (among other discordant material) by Breynius in 1732, that author’s use of the name Hchinodiscus thus antedating by one year the use by Klein (1734) of the name Avrachnoides forthe species referred to above. The admission of this contention which would involve the acceptance as from their original date of publication of names published before the starting point of zoological nomenclature (i.e. before 1758) would render the generic name Hchinodiscus Leske an invalid homonym of the genus Echinodiscus Breynius. Although other specialists had not accepted the contention of Pomel, Commissioner Mortensen thought it desirable to ask the Commission to settle the matter once and for all by using their plenary powers to place Hehinodiscus Leske, 1778 (type species: Hchinodiscus bisperforatus Leske, 1778) on the Official List of Generic Names in Zoology,” at the same time that they disposed of the contention advanced by Lambert and Thiéry (also based on the action of an author prior to the startmg point of zoological nomen- clature) by validating the generic name Avrachnoides in its well understood and generally accepted sense.

Summing up, Commissioner Mortensen had said that great confusion would arise in the nomenclature of three of the most widely known genera in the Class Echinoidea if the views advanced, in the case of the names Arachnoides and Hehinarachnius, by Lambert and Thiéry and, in the case of the above names and also the name Echinodiscus, by Pomel were to gain currency. To prevent this from happening, he (Commissioner Mortensen) asked the Com- mission to use their plenary powers in the manner proposed,

oe

(Previous reference: Paris Session,

6th Meeting, Conclusion 24)

14th Meeting, Paris, July, 1948. 533

IN THE DISCUSSION which ensued it was generally agreed that a case had been established regarding the likeli- hood of confusion arising in the event of current nomencla- torial practice in regard to the generic names Arachnoides, Echinarachnius and Echinodiscus being disturbed in the manner which would be inevitable if either the contention advanced by Lambert and Thiéry (1914) or that advanced by Pomel (1883) were to be accepted. The plenary powers should, it was agreed, be used to such extent as might be necessary to prevent this from happening. On the other hand, care would need to be taken to restrict the use of the plenary powers to those portions of the application (for example, the validation of the name Echinarachnius Gray, 1825, as against the earlier identical generic name Echinarachnius Leske, 1778), which could only be granted after the use of those powers. Those powers should not be used in respect of those portions of the application which dealt with difficulties arising from erroneous interpretations of the Reégles, such as those arising from the action of Pomel (1883) and Lambert and Thiéry (1914) in claiming for names originally published before 1758 (i.e. before the starting point of zoological nomenclature as prescribed in Article 26) either (a) rights of priority prior to the date on which, subsequent to 1757, they had been given availability through being reinforced (by adoption or acceptance) by the same or another author or (b) the power, before being so reinforced, of influencing the availability of the same name as published by a binominal author subsequent to 1 a

At the conclusion of this discussion the Acting Presi- dent, as Secretary to the Commission, was invited in this case (as in that of Spatangus referred to above) to examine the application from the foregoing point of view after the close of the present Session and, in the light of that examination, to draft the Conclusion on this matter in such a way as, in his opinion, would meet fully the objects set out in the application and also the points made in the discussion as recorded above.

THE COMMISSION agreed :—

(1) that, having regard to the interpretation of Article 25 given in Opinion 5 (the relevant provisions of which were now, as agreed upon at the meeting noted in the margin, to be in- corporated in the Régles) :—

(a) the name Arachnoides Klein, 1734 (a name published prior to the starting point of zoological nomenclature, as prescribed in

534

International Commission on Zoological Nomenclature.

Article 26) acquired no rights under the Law of Priority in virtue of Klein’s work in which it originally appeared being re- published in 1778, since this was merely a re-issue of the 1734 work, or in virtue of having been published in Leske’s Addtta- menta (1778) to the foregoing work, since on that occasion Leske not only did not reinforce the name by adoption or accept- ance (as prescribed by Opinion 5) but actually rejected it, publishing a new name, Echinarachnius, as a substitute for it ;

(b) the name Echinodiscus Breynius, 1732 (a name published prior to the starting-point of zoological nomenclature), not having been given availability under the Régles by being re-inforced (through adoption or acceptance) prior to the publication of the name Echinodiscus Leske, 1778, possessed no status in zoological nomenclature as at that date and accordingly (contrary to the view erroneously expressed by Pomel in 1883) the name Echinodiscus Leske, 1778, is not to be rejected under Article 34 as an invalid homonym ;

(2) to use their plenary powers :—

(a) to validate as from Leske, 1778, the generic name Arachnoides and to designate Echinus placenta Linnaeus, 1758, to be the type species of that genus ;

(b) to suppress the generic name Echinarachnius Leske, 1778, and all uses of that name prior to the publication of the name Hchinarach- nius Gray, 1825 ;

(c) to validate the generic name Echinarachnius Gray, 1825, and to designate Scutella parma Lamarck, 1816, to be the type species of that genus ;

(3) to place the undermentioned generic names on the “* Official List of Generic Names in Zoology ”’ :— Arachnoides Leske, 1778, validated as in (2)(a) above (type species, by designation under the plenary powers, as specified in (2)(a) above:

Echinus placenta Linnaeus, 1758) Echinarachnius Gray, 1825, validated as in (2)(c) above (type species, by designation under

14th Meeting, Paris, July, 1948. 535

the plenary powers, as specified in (2)(c) above : Scutella parma Lamarck, 1816) ;

Echinodiscus Leske, 1778 (type species, by selection by Clark (H. L.), 1911: Echinodiscus bisperforatus Leske, 1778) ;

(4) to place the undermentioned generic names on the Official Index of Rejected and Invalid Generic Names in Zoology :—

Arachnoides Klein, 1778 (a reputed name rejected in (1)(a) above) Echinarachnius Leske, 1778

Echinarachnius as used by any author sub- sequent to Leske, 1778, and prior to Gray, 1825

Lobophora Agassiz (L.), 1841 ;

(5) to place the undermentioned trivial names on the Official List of Specific Trivial Names in Zoology :—

bisperforatus Leske, 1778 (as published in the binominal combination Echinodiscus _ bis- perforatus)

parma Lamarck, 1816 (as published in the binominal combination Scutella parma)

placenta Linnaeus, 1758 (as published in the binominal combination Echinus placenta) ;

(6) to render an Opinion recording the decisions specified in (1) to (5) above.

Report by the Secretary to the Commission :

In accordance with the request of the Commission, I have re- examined the application submitted in this case for the purpose of determining how the objects set forth therein can be attained with the minimum use of the plenary powers. In the course of this re-examination I have had the benefit of the advice of Dr. Mortensen. In addition, I have consulted a number of the books and papers cited in the present application. The conclusions which I have reached are as follows :—

(1) Arachnoides: The plenary powers are certainly needed to validate this name as from 1778, the first date subsequent to the starting point of zoological nomenclature (1758), on which this name was pub- lished, for, as then published by Leske, it was a name taken from a pre- 1758 author (Klein) which Leske not only did not re-inforce by adoption or acceptance (the conditions laid down in Opiuion 5 as the sole means by which such a name can be given status under the Régles), but which he actually rejected in favour of a new name (Hchinarachnius) proposed by himself. This being so, the plenary powers will be needed also to designate a type species for this genus.

(2) Echinarachnius Gray, 1825: Gray (: 428) did not look upon himself as publishing Echinarachnius as a new name, for he correctly referred this name to Leske, by whom (as shown in (1) above) it had been published in 1788. In order to be able validly to treat Echinarachnius as an available name first published by Gray in 1825, it will thus be necessary to use the plenary powers to suppress the name Echinarachnius

536 International Commission on Zoological Nomenclature.

Echeneis Linnaeus, 1758 (Class Pisces, Order Discocephali), designation of type species of,

under the plenary powers, the position of ** Echeneis Linnaeus on the

Official List cenfirmed, and

Remora Gill, 1862 (Class Pisees, Order Discocephali)} added thereto

Leske, 1788, and all subsequent uses of that name prior to Gray, 1825, to validate the name Echinarachnius Gray, 1825, and to designate a type species for the genus so named.

(3) Echinodiscus Leske, 1778: This is an available name, the objec- tion raised against it by Pomel (1883) being totally groundless, being based upon a misconceived belief that a use put to 4 generic name by an authar (Breynius) at a date (1732) prior to the starting point of zoological nomenclature (1758) can affect the status of the same name as published after 1758. ‘There is therefore no need for the plenary powers to be used to validate this name. Nor is there any need for those powers to be used to designate a type species for this genus, for the species (Hchinodiscus bisperforatus Leske, 1778) which it is desired should be recognised as such was in fact so selected by Clark (H. L.) in 1911.

In the light of the foregoing conclusions, I have drafted the record of the Commission’s decision in this case in the terms set forth in Conclusion 37 of the Minutes of the 14th Meeting of the Paris Session, at which it was discussed, those terms giving effect to the decision of the Commission to meet the objects sought by Commissioner Mortensen in the present application and at thé same time involving, as desired by the Commission, the minimum use of the plenary powers consistent with securing the objects referred to above.

(signed) FRANCIS HEMMING, Secretariat of the Commission, 28, Park Village East,

Regent’s Park, London, N.W.1, England.

23rd August, 1949.

38. THE COMMISSION examined Commission File Z.N.(S.)156, containing an application submitted by Commissioner Francis Hemming (United Kingdom) as Secretary to the Commission that the Commission should use their plenary powers to designate Echeneis naucrates (an emendation of neucrates) Linnaeus, 1758, to be the type species of Echeneis Linnaeus, 1758 (thereby giving valid force to the erroneous entry in regard to this generic name made in the Official List of Generic Names in Zoology” under a decision recorded in Opinion 92), and at the same time to place on the Official List ’’ the generic

name Remora Gill, 1862 (Class Pisces, Order Discocephah),

with Hcheneis remora Linnaeus, 1758, as type species.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that, when in 1944 he had been engaged in preparing the Official List of Generic Names in Zoology ”’ for publication in book form and in consequence had had occasion to examine in detail the entries made in that List ’’ under the Opinions rendered by the Commission, he had noted, when examining Opinion 92, that under that Opinion the generic name Heheneis Linnaeus, 1758, had been placed on the Official List with Echeneis neucrates Linnaeus, 1758, as type species, notwithstanding the fact (1) that among the synonyms cited by Linnaeus for Echeneis remora Linnaeus, 1758 (the other species placed by him in the genus Zcheneis at the time when he first

14th Meeting, Paris, July, 1948. 537

published that generic name) was the pre-1758 universal specific name, Echeneis ”’, and therefore (2) that, under the interpretation of Rule (d) in Article 30 given in the Commission’s Opinion 16, Echeneis remora Linnaeus, 1758, was the type species of the genus Echeneis Linnaeus, 1758, by absolute tautonymy. It was immediately evident that it was necessary for the Commission either to correct the entry in the Official List in regard to this generic name or to validate that entry by the use of the plenary powers. It had appeared to him that the latter would be the more appropriate course, having regard to the fact (a) that the erroneous entry in Opinion 92 corresponded with the generally current practice of ichthyologists, and (b) that the strict application of the Régles would involve the confusing transfer of the generic name Echeneis Linnaeus, 1758, to the species now always placed in the genus Remora Gill, 1862, and the sinking of the latter name in synonymy. - He had accordingly consulted Dr. C. M. Breder, Jr.(American Museum of Natural History, New York), Dr. Leonard P. Schultz (United States National Museum, Washington, D.C.) and Dr. Ethelwynn Trewavas (British Museum (Natural History), London), all of whom were in favour of the action now proposed, Dr. Schultz had added that Dr. Samuel F. Hildebrand and Dr. Robert R. Miller, both actively engaged on systematic work on ichthyology in the U.S. National Museum, concurred in the views which had been submitted in this case. It was evident therefore that there was massive support for the present application. In 1947, it had been published as Note 6 of the Editorial Notes attached to the reissue of Opinion 16, in view of the fact that ‘in that Opinion the generic name Echeneis Linnaeus had actually been cited with its true type species Echeneis remora Linnaeus, 1758 (Hemming, 1947, in Opinions and Declarations rendered by the International Commission on Zoological Nomenclature, 1: 287-297). No adverse com- ment on the action proposed had been received in conse- quence of the application being so published, nor had any such comment. been elicited when later an advertisement of this application had. been published in Science and Nature.

The Acting President added, with reference to the proposal that the name Remora Gill, 1862, should now be placed on the Official List,” that (as would be seen from the text of the application published in: 1947), it was necessary first to clear up the question where, and by whom, the generic name Remora had been first published, in view of the fact that in the latest Nomenclator (Neave, 1940, Nomencl. Zool., 4: 21) references were given to two generic

538

International Commission on Zoological Nomenclature.

names Remora, each alleged to have been published prior to Remora Gill, 1862. The works in which these reputed generic names (Remora Gouan, 1770, and Remora Forster, 1771) had been published had been kindly examined by Dr. Leonard P. Schultz, whose conclusions were contained in a letter included in File Z.N.(S.) 156 which had been published in the present application (Schultz, 1947, in Hemming, loc. cit., 1: 293). It was clear from the particulars so furnished by Dr. Schultz that neither Gouan (1770) nor Forster (1771) had published the word ‘‘ Remora as a generic name and that this name had not been so published by any other author previous to Gill, 1862. In these circumstances the way was clear for putting the name Remora Gill, 1862, on the ‘‘ Official List ’’ without resorting in this matter even to a conditional use of the plenary powers (as he had originally suggested). It would, however, be necessary for the Commission to put on record that there were no such generic names as those attributed to Gouan and Forster. As regards the trivial name of the species proposed to be designated as the type species of the genus Hcheneis, the spelling neucrates”’ was an evident error of orthography (“ faute d’orthographe ’’) and as such had been universally emended by specialists to “‘ naucrates.”’ This emendation had been accepted by the Commission itself, when in Opinion 92, they had placed the name Echeneis Linnaeus on the Official List.” It would be well to take the present opportunity to place on record that under Article 19 this was the correct spelling for this name.

IT WAS GENERALLY AGREED that in view of the confusion which would result from the strict application of the Régles in the present case, the desirability of avoiding (wherever possible) the making of changes in entries previously made in the Official List,” the wide and representative support for the present proposals received from leading ichthyologists and the complete lack of opposition of any kind, a case for the use of the plenary powers in the present instance had been established and that the application should be granted.

THE COMMISSION agreed :—

(1) to use their plenary powers to set aside the original indication of Echeneis remora Linnaeus, 1758, as the type species of the genus Hcheneis Linnaeus, 1758 (Class Pisces, Order Discocephali) by absolute tautonymy (Article 30, Rule (d), as interpreted by Opinion 16) and in the place of that species to designate Echeneis neucrates

14th Meeting, Paris, July, 1948. 539

Linnaeus, 1758, to be the type species of this genus ;

(2) that neither Gouan (1770) nor Forster (1771) when using the word Remora,” had used it as a generic name and therefore that the reputed generic names Remora Gouan, 1770, and Remora Forster, 1771, were to be rejected as having no existence under the Regles;

(3) to confirm explicitly the decision given implicitly in Opinion 92 (when the generic name Echenets Linnaeus, 1758, had been placed on the Official List of Generic Names in Zoology”’) that a “faute d’orthographe” was evident in the spelling of the trivial name neucrates Linnaeus, 1758 (as published in the binominal combinatton Echeneis neucrates) and therefore that the spelling of that trivial name is, under Article 19, to be emended to naucrates ;

(4) to confirm the position on the Official List of Generic Names in Zoology of the generic name Echeneis Linnaeus, 1758 (type species, by desig- nation under the plenary powers under (1) above : Echeneis naucrates (emend. of neucrates) Linnaeus, 1758) (decision confirming action taken in Opinion 92) ;

i) |

to place the generic name Remora Gill, 1862 (type species, by absolute tautonymy : Echeneis remora Linnaeus, 1758) on the Official List of Generic Names in Zoology ;

(6) to place the undermentioned reputed but non- existent generic names, rejected under (2) above, on the Official Index of Rejected and Invalid Generic Names in Zoology :—

(i) Remora Gouan, 1770 ; (ii) Remora Forster, 1771 ; (7) to place the undermentioned trivial names on the

Official List of Specific Trivial Names in Zoology :—

naucrates Linnaeus, 1758 (emendation, under (3) above, of neucrates, as published in the binominal combination Echeneis neucrates) remora Linnaeus, 1758 (as published in the binominal combination Echeneis remora) ;

(8) to render an Opinion recording the decisions specified in (1) to (7) above.

540 International Commission on Zoological Nomenclature.

Papilio iris Linnaeus, 1758 (Class Insecta, Order Lepidoptera): identity of, determined under the plenary powers

39. THE COMMISSION examined Commission File Z.N.(S.)184, containing an application submitted by the late Dr. A. Steven Corbet (British Museum (Natural History), London) that the Commission should use their plenary powers to determine the identity of the species to which the trivial name 277s Linnaeus, 1758 (as published in the binominal combination Papilio iris) should adhere and

the locality to be accepted as the type locality of the species

so named. Ever since it had been published, this trivial name had been applied to the Nymphaline butterfly of the genus Apatura Fabricius, 1807, which occurred in England and was there known as the “Purple Emperor.” A recent examination of the butterflies in the Linnean collec- tion, now in the possession of the Linnean Society of London, had convinced the late Dr. Corbet and Mr. W. H. T. Tams (British Museum (Natural History), London) that there was no evidence to support the allegations that had sometimes been made that Sir James Smith had altered labels on specimens in the Linnean collection ; in conse- quence, both these specialists were of the opinion that the labels on these specimens could be relied upon and that by this and other evidence (e.g. the type of pin used, the style of setting employed) it was possible to identify the types of the majority of the species described by Linnaeus. In the case of the species now under consideration, Dr. Corbet had concluded that without doubt Linnaeus had based his description of Papilio iris not upon the Purple Emperor of England, but on the closely allied (and very similar) species which was widely distributed in Continental

Kurope (but did not extend to England), to which in 1775

Schiffermiiller and Denis had given the trivial name da (in the combination Papilio iha), the name by which the species in question had ever since been known. Dr. Corbet’s conclusion, which was based in the first instance

on his examination of the Linnean collection, had been”

confirmed by a manuscript note by Linnaeus in his own copy of the 10th Edition of the Systema Naturae, which could apply only to the species now universally known by the trivial name zlia [Schiffermiiller and Denis]. Never- theless, the description of zris Linneaus must have been based, at least in part, on descriptions of the Purple Emperor” of England, for otherwise he could not have written (as he did) that this species occurred in Anglia.” The greatest confusion would occur if it were necessary to transfer the trivial name iis Linnaeus, 1758, from the Apaturid which occurred in England and on the continent of Europe to the allied species which occurred in Continental

Hurope but not in England. This was a case where, owing _

to uncertainty regarding the manner in which the Reégles

a ei

(Previous reference &

Paris Session, 13th Meeting, Conclusion 7)

(Previous reference:

Paris Session,, 14th Meeting, Conclusion 16)

14th Meeting, Paris, July, 1948. 541

should be applied, there would be a perpetual risk of

confusion until the Commission gave a ruling under their

plenary powers as to which of the two species in question was the species to which the trivial name iris Linnaeus should be applied. Dr. Corbet had accordingly proposed that the Commission should use those powers to direct that this trivial name should be applied to the species to which it had always been applied and that of the two localities (“ Germania’ and Anglia ’’) cited by Linnaeus in 1758 Anglia should be accepted as the type locality.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that it was difficult to imagine a case where the transfer of a trivial name from one species to another would cause more certain or more serious confusion than in the present case. Hvery lepidopterist who was concerned with this group would be in agreement with the present proposal. The application had been advertised but no objection had been received from any source to the action proposed. It would be necessary in this case, as in other similar cases (for example, the case dealing with the identity of the trivial name plexippus Linnaeus, 1758, as published in the binominal combination Papilio plexippus, which the Commission had considered at the meeting noted in the, margin), to specify a good figure of an undoubted specimen of the species (the Purple Emperor of England) as the figure to be used in determining the identity of the species to which the trivial name wis Linnaeus, 1758, should apply. He suggested that for this purpose the figure of the ¢ given in fig. 1 on pl. 29 of South’s “‘ The Butterflies of the British Isles should be selected for this purpose, the figure in question being a good one and the

~ work in which it was published being inexpensive and widely

known. The Acting President added that, when a decision had been taken on the present application, the difficulty in regard to the identity of the type species of the genus Apatura Fabricius, 1807, to which he had referred when earlier in the present meeting the Commission had been considering an application for the suppression under the plenary powers of the possibly earlier name Apatura [Illiger], 1807, would have been satisfactorily overcome.

ALTERNATE COMMISSIONER N. D. RILEY (UNITED KINGDOM) said that he had no doubt that the application submittéd by the late Dr. Corbet should be granted. Any other course would inevitably lead to the most serious confusion.

542 International Commission on Zoological Nomenclature.

The trivial names ** ascanius Linnaeus, 1768 (as published in the binominal combination

* Papilio

ascanius ”) and

aristolochiae Pallas (as published in the binominal combination

* Papilio aristolochiae ”’), in so far as published prior to 1780, suppressed, and the trivial names

“* aristolochiae Fabricius, 1775 (as published in the binominal combination

Papilio aristolochiae ”) and ascanius Cramer, [1775]

(as published in the binominal

THE COMMISSION agreed :—

(1) to use their plenary powers to direct that the trivial name iris Linnaeus, 1758 (as published in the binominal combination Papilio iris) should be applied to the species figured as Apatura iris by

ED South (R.), 1906, The Butterflies of the British

Isles as figure 1 on plate 29 and that the type locality of this species, i.e. the type locality of the nominotypical subspecies of this species, should be deemed to be “England” (“ Anglia” of Linnaeus, 1758) ; ;

(2) that the foregoing definition of the meaning to be

applied to the trivial name iris Linnaeus, 1758,

should be entered against that trivial name, when, in accordance with the decision recorded in Conclusion 16(6) of the present meeting that name was inscribed on the Official List of Specific Trivial Names in Zoology ;

(3) to place the trivial name tha [Schiffermiiller and Denis], 1775 (as published in the binominal combination Papilio ila) on the Official List of Specific Trivial Names in Zoology ;

(4) to render an Opinion recording the decisions specified in (1) to (3) above.

40. THE COMMISSION examined Commission File Z.N.(8.)186, containing an application submitted by the late Dr. A. Steven Corbet (British Museum (Natural History), London) that the Commission should use their plenary powers: (1) to suppress the trivial names ascanius Linnaeus, 1768 (as published in the binominal combination Papilio ascanius) and aristolochiae Pallas [? 1775 or prior] (as published in the binominal combination Papilio aristolochiae), and (2) to validate the trivial names aristolochiae Fabricius, 1775 (as published in the binominal combination Papilio aristolochiae) and ascanius Cramer [1775] (as published in the binominal combination Papilio ascanius) (Class Insecta, Order Lepidoptera). Dr. Corbet had explained that the specific name Papilio ascanius Linnaeus, 1768 (which was based upon a Papilionid butterfly taken by Sparrman in Java) had been a nomen dubium, until in 1941 he had himself identified the insect so named as a form (form diphilus Esper [1793] ) of the species to which in 1775 Fabricius had given the specific name Papilio aristolochiae. Tf, therefore, the Reégles were to be strictly applied in the present case, the totally unknown trivial name ascanius Linnaeus, 1768, would replace the

es

THANKS TO U.N.E.S.C.O,

The International Trust for Zoological Nomenclature, on behalf of the International Commission on Zoological Nomenclature, have great pleasure in expressing their grateful thanks to the UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANISATION (U.N.E.S.C.O.) for the financial assistance afforded towards the cost of producing the present volume.

BULLETIN OF ZOOLOGICAL NOMENCLATURE

Notice to subscribers regarding the arrangements made for the | completion of volume 1 and for the publication of q volumes 2, 3, 4 and 5 2 |

;

The following arrangements have been made for completing volume 1 of the Bulletin of Zoological Nomenclature and for the publication of et volumes 2, 3, 4and 5 :— se ba

Page, Table of Contents, and ae subject index, will be published shortly. cee

Volume 2: This volume, like Volume 1, will be devoted to the publica- ee tion of applications in regard to nomenclatorial problems submitted = by specialists to the International Commission on Zoological Nomen- ¥ clature for decision. Publication will commence at an early date.

Volume 1: A concluding Part (Part 12), containing, inter alia, the Title : 7 g 4

Volume 3: This volume, which is now complete in 9 Parts, is devoted _ to the publication of the memoranda, reports and other docu- ments considered by the International Commission on Zoological Nomenclature and by the Section on Nomenclature of the Thirteenth International Congress of eeoey at their meetings held in Paris in July 1948.

Volume 4: This volume is devoted to the publication of the Official Record of Proceedings of the International Commission on Zoological Nomenclature at its Session held in Paris in July 1948. Twenty-one Parts have been published and this volume is now complete except for the index which will be published in a concluding Part.

Volume 5: At the request of the Bureau of the Thirteenth International Congress of Zoology, this volume will be devoted to the publication of the Official Record of Proceedings of the Section on Nomenclature of the Thirteenth International Congress of Zoology, Paris, Fuly 1948, together with the Reports submitted to the Congress by the Inter- national Commission on Zoological Nomenclature and the Section on Nomenclature.

INQUIRIES 2

All inquiries regarding publications should be addressed to the Tatetnatonal eo 4 Trust for Zoological Nomenclature, and all inquiries regarding the scientific work of ie the Commission to the Secretary to the Commission at the following addresses :—

International Trust for Zoological Nomenclature: 41, Queen’s Gua London, S.W.7, England.

International Commission on Zoological Nomenclature: Secretariat a re. the Commission, 28 Park Village East, Regent’s Park, London, N.W.1, Engen : a

Printed in Great Britain by Metcum™m AND Son, Lrp,, Westminster London

VOLUME 4. ig 19/21 9th Fune, 1950 m pp. 543—651

piso.sce ¢NOMENCLATURE

&

*

4

' Lon 4 ie t

The Official Organ of

3 THE INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE

. Edited by os % FRANCIS HEMMING, C.M.G., C.B.E.

Secretary to the International Commission on Zoological Nomenclature.

CONTENTS :

Mi _ The Official Record of Proceedings of the International Commission Page on Zoological Nomenclature at its Session held in Paris in Fuly 1948 :

Conclusions of Fourteenth Meeting (concluding portion) 543—648 a 2 Conclusions of (Informal) Fifteenth Meeting 649—651 . | LONDON :

Printed by Order of the International Commission on Zoological Nomenclature on instructions received from the Thirteenth

International Congress of Zoology, Paris, 1948,

and Sold on behalf of the International Commission by tke International Trust for Zoological Nomenclature at the Publications Office of the Trust 41, Queen’s Gate, London, S.W.7.

1950

Price One pound, twelve shillings, (All rights reserved)

combination

Papilio

ascanius ”) (Class Insecta, Order Lepidoptera) validated, under the plenary powers

VOL. 4a

. 14th Meeting, Paris, July, 1948. - 543

name aristolochiae Fabricius, 1775. This would create great confusion, for not only was the latter name universally applied to the species in question, but, in addition, the trivial name aristolochiae had given its name to one of the principal groups into which for many years the species of the genus Papilio Linnaeus, 1758 (sensu lat.) had been habitually divided. Dr. Corbet accordingly asked that the trivial hame ascanius Linnaeus, 1768, should be suppressed by the Commission under their plenary powers. Before, however, the position of the name aristolochiae Fabricius, 1775, could be regarded as assured, it was necessary also to safeguard it against a possible threat under Article 35 (Law of Homonymy), for Esper [1780], writing of the common European Zerynthiid (which he had referred to under the name of Papilio polyxena [Schiffermiiller and Denis], 1775) had cited as a synonym the name Papilio aristolochiae, which he stated had been given to that species by Pallas. The long quotation from Pallas given by Esper, coupled with the locality ‘‘ Das siidliche Russland” strongly suggested that this name had appeared somewhere in that author’s Reise Prov. russisch. Reich. The most careful search of the three volumes of that work had, however, failed to trace the place where that name had been published. The first volume of Pallas’s Reise had been published in 1771, and there was thus a possibility that the name Papilio aristolo- chiae Pallas had priority over, and therefore invalidated, the name Papilio aristolochiae Fabricius, 1775, with which the present application was primarily concerned. In order to safeguard the position against the foregoing danger, Dr. Corbet had asked the Commission to use their plenary powers to suppress the trivial name aristolochiae Pallas (as published in the binominal combination Papilio aristolo- cae) if, and in so far as, that name had been published by Pallas prior to the publication in 1775 of the trivial name aristolochiae Fabricius, 1775 (in the same binominal combination). Turning to the later history of the trivial hame ascanius as used in the genus Papilio Linnaeus, Dr. Corbet had pointed out that in 1775 Cramer had used this name for a South American species, which ever since had been known by that name. Dr. Corbet asked that, in the interest of stability in nomenclature, the Commission should use their plenary powers to validate the use of this trivial name for that species, even though it was not altogether clear whether, in using that name, Cramer had looked upon himself as introducing a new name or as applying to the species in question the earlier name ascanius Linnaeus, 1768 (as published in the same binominal com- bination), which (as now explained) it was desired that the Commission should suppress.

544

International Commission on Zoological Nomenclature.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that the present application had been drawn up by the late Dr. Corbet in consultation with himself and that it was on his suggestion that Dr. Corbet had added to that application the portion relating to the name Papilio aristolochiae Pallas, the reference to which by _ Esper he had discovered before the outbreak of war in 1939 when he had been making a systematic search of the older literature relating to the Sub-Order Rhopalocera. The late Dr. C. D. Sherborn, the late Dr. Corbet and himself had each spent many fruitless hours searching Pallas’s Reise for the place where the foregoing name had first been published. Nevertheless, it was quite possible that a later investigator might succeed in finding that name either in the Reise or in some other work written by Pallas. Time- consuming searches of this kind were one of the worst features of the Law of Priority, and for this reason also he felt that it was most desirable that the Commission should now use their plenary: powers to invalidate this name in so far as it might have been used by Pallas prior to the publication in 1775 for a different species of the same name (Papilio aristolochiae) by Fabricius. The Acting President added that this application had been advertised, but that the advertisement had elicited no adverse comments. This was only to be expected, for no responsible lepidopterist would wish to see current nomenclature disturbed by the resurrection of the two totally unknown names which formed the subject of the present application.

ALTERNATE COMMISSIONER N. D. RILEY (UNITED KINGDOM) supported the proposal. Great confusion would result if the name aristolochiae Fabricius, 1775, had to be discarded for the species to which it was universally applied.

THE COMMISSION agreed :— (1) to use their plenary powers :—

(a) to suppress’ the trivial name ascanius Linnaeus, 1768 (as published in the binominal combination Papilio ascanwus) ;

(b) in so far as such use might be necessary, to suppress the trivial name aristolochiae Pallas (as published in the binominal combination Papilio aristolochiae), prior to the publication by Esper in [1780] of an. extract, containing this name, from some work by Pallas ;

Zimmermann von), 1777, Bieciméi Zoologiae -geographicae declared not available for nomenclatorial purposes ;_ Zimmermann, 1778-1783, ** Geographische Geschichte ”, _ declared an available work

Vou 4 G2

14th Meeting, Paris, July, 1948. 545

(c) to validate the undermentioned trivial names :—

aristolochiae Fabricius, 1775 (as published in the binominal combination Papilio aristolochiae)

ascanius Cramer [1775] (as published in the _ bmominal combination Papilio ascanius) ;

(2) to place on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology the trivial names specified in (1)(a) and (1)(b) above ;

(3) to place on the Official List of Specific Trivial Names in Zoology the trivial names specified in (1)(c) above ;

(4) to render an Opinion recording the decisions specified in (1) to (3) above.

41. THE COMMISSION examined Commission File Z.N.(S.)182, containing an application submitted by the late Dr. Wilfred H. Osgood (Chicago) that the Commission should give a ruling that in the work entitled “‘ Specimen Zoologiae geographicae, Quadrupedum domicilia et migra- tiones sistens,” published in 1777, Zimmermann (E. A. W. von) had not complied with the requirements of Proviso (b) to Article 25 and therefore that no new name which first appeared in the above work possessed availability under the Régles as from the date of being so published.’ At the same time Dr. Osgood had asked for a ruling in the opposite sense as regards the later work published by the same author in the period 1778-1783 under the title Geographische Geschichte des Menschen, und der allgemein verbreiteten vierfiissigen Thiere, nebst einer hieher gehérigen zoologischen Weltcharte. Dr. Osgood had explained that, although these. works were similar to one another, the earlier being written in Latin and the later in German, they were quite distinct and separate works, the Geschichte not being (as had sometimes been alleged) merely a translation of the Specimen Zoologiae geographicae. In spite of the arguments advanced by Allen (1902), specialists had continued to regard the Specimen Zoologiae geographicae of 1777 as a work in which Zimmermann had not complied with the requirements of Article 25 and had accordingly rejected new names published in that work. It would be helpful if the Commission were to place on record that. this view of the status of new names in the Specimen Zoologiae was correct. On the other hand, Zimmermann’s Geschichte had

546

Later reference: Paris Session, 14th Meeting, Conclusion 43)

International Commassion on Zoological Nomenclature.

been accepted by mammalogists and the new names published in it were in general use. In this case, too, Dr. Osgood asked the Commission to confirm current practice and to give a ruling that the Geschichte of Zimmer- mann complied with the requirements of Article 25 and therefore that new names in that work were available under the Régles as from the date of being so published.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) explained that the present application arose indirectly out of a-much earlier application relating to the status of the name Dama virginiana as published by Zim- mermann in 1780 in the Geschichte. This question had been submitted to the Commission by Dr. Marcus W. Lyon, Jr. (Washington, D.C.) as long ago as 1915. No decision had ever been taken by the Commission on this application, which had only come to light when, consequent on his (the Acting President’s) election as Secretary to the Comntission, the surviving records of the Commission had been transferred to his custody. It was with the object of making some progress in this case that in 1944 he had applied to the late Dr. Osgood for assistance and advice. It was in his reply on this subject that Dr. Osgood had submitted the present application, taking the view that it was much more important that the Commission should give general rulings on questions relating to books of doubtful status than that it should consider the question of the availability of individual names published in such works. He (the Acting President) shared Dr. Osgood’s view that it was important that the Commission should concentrate its attention on general questions, the settlement of which would (as in the present case) clarify the position as regards the status of all the new names published in a work, the ~ status of which, under the Régles, had been a subject of discussion among interested specialists. It was not possible, however, on that account, for the Commission to ignore applications submitted to them in regard to the status of individual names first published in such works.

“The proper course was first to take a decision on the

question of principle involved ; second, in the light of that decision, to give a ruling in regard to the status of the individual name: concerned. He proposed, therefore, that consideration of Dr. Lyon’s application in regard to the status of the name Dama virginiana Zimmermann, 1780, should be deferred until the Commission had reached decisions on the status of the work (Geographische Geschichte) in which that name had been published by Zimmermann, and of the work entitled Das Natur-System der vierfiissigen Thiere, published by Frisch (J. L.) in 1775

(Later reference: Paris Session, 14th Meeting, Conclusion 42)

14th Meeting, Paris, July, 1948. 547

(on which also an application had been submitted by the late Dr. Osgood), in which the name Dama had been used by Frisch two years earlier than by Zimmermann (1777).

Turning to the subject matter of the present application, the Acting President said that that great authority, the late Dr. C. D. Sherborn, had examined both the Specimen Zoologiae (1777) and the Geographische Geschichte (1780) of Zimmermann, and had concluded (Sherborn, 1902, Index Anim., Sectio prima : lvi) that the Specimen Zoologiae was not an available work under the Reégles, but that the Geographische Geschichte was so available. When, eight months ago (December, 1947), he had visited the United States, he had discussed Dr. Osgood’s application both with Dr. Remington Kellogg (United States Nationa] Museum, Washington, D.C.) and with Dr. Philip Hershkovitz (Chicago Natural History Museum), both of whom were in agreement with the recommendations submitted by the late Dr. Osgood. He (the Acting President) had himself examined copies of both the works by Zimmermann in question and, as a result, fully shared the views of the authorities to whom he had just referred. He accordingly commended Dr. Osgood’s proposals to the Commission for their favourable consideration.

IN DISCUSSION, the view was generally expressed that the proposals submitted by the late Dr. Osgood should be approved. There was unanimity among the eminent specialists who had been consulted regarding the status which should be accorded to the two works by Zimmermann covered by the present application. A decision in the sense proposed would be of value as eliminating doubts regarding the status of two works which had in the past been a subject of discussion and would have the further advantage of assuring mammalogists that the current general practice in regard to these books was in strict accord with the Régles.

THE COMMISSION agreed :—

(1) that the book by Zimmermann (A. E. W. von), published in 1777 under the title Specimen Zoologiae geographicae, Quadrupedum Domicilia et Migrationes sistens was not available for nomen- clatorial purposes under the Reégles, Zimmermann not having applied therein the principles of binominal nomenclature, as prescribed by Proviso (b) to Article 25, and therefore that the names attributed to Zimmermann as from the foregoing work possessed no nomenclatorial status there- from ;

548 International Commission on Zoological Nomenclature.

(2) that in the book entitled Geographische Geschichte des Menschen, und der allgemein verbreiteten vierfiissigen Thiere, nebst einer hieher gehérigen zoologischen Weltcharte, published in the period 1778-1783, Zimmermann (A. E. W. von) had complied with the requirements of Article 25, that, in consequence, the foregoing work was available for nomenclatorial purposes, and that any new name, accompanied by an indication, published in it possessed status under the Régles as from the date of being so published ;

(3) to render an Opinion recording the decisions specified in (1) and (2) above.

Frisch (J. L.),1775, 42. THE COMMISSION turned next to examine dey wievfausigen Commission File Z.N.(S.)254, containing the second part

Thiere” declared of the application submitted by the late Dr. Wilfred H.

pep pa Osgood (Chicago), narnely the request that the Commission

purposes should give a ruling on the question of the availability of Passi: serene the new names published in 1775 in the work by Frisch Paris Session, (J. L.) entitled Das Natur-System der vierfiissigen Thiere. 14th Meeting, Dr. Osgood had explained that there was fairly general

Conclesianiam agreement that in this work Frisch had not complied with

the requirements of Article 25 and therefore that this work should not be accepted. Occasionally, however, an individual name published by Frisch was brought forward by some author, and in consequence a general ruling by the Commission on the availability of this work would be helpful.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that the status of this work had been con- sidered by the late Dr. C. D. Sherborn who had come to the conclusion that in it Frisch had not applied the principles of binominal nomenclature. He had therefore rejected it, when compikng his monumental Index Animalium (Sherborn, 1902, Index Anim. (Sectio Prima) : xxv). The same conclusion had been reached in an exhaustive study of the subject by Thomas and Miller

: (1905). When he (the Acting President) had recently visited the United States, he had discussed the question of the availability of this work with Dr. Remington Kellogg (United States National Museum, Washington, D.C.) and with Dr. Philip Hershkovitz (Chicago Natural History Museum), both of whom considered that Frisch’s work did not satisfy the requirements of the Régles and should be rejected. The Acting President added that he had him- self examined Frisch’s Natur-System and was in complete agreement with the authorities referred to above. He accordingly recommended the Commission to give a ruling

~

= ~

ia Dama »” Zimmerman, 1780, and the specific name Dama virginiana Zimmerman, 1780 (Class Mammalia, Order Rodentia) : consideration of status of, . postponed for additional information

to be obtained

14th Meeting, Paris, July, 1948. . 549

that this book was not available under the Régles. The more that the Commission gave rulings on the availability of books, the status of which was not absolutely self-evident and was. therefore open to question, the more they would serve to promote stability in the nomenclature of the groups . dealt with in such books.

IN DISCUSSION, there was general agreement that the Commission should dispose of this case by giving a ruling that Frisch’s Natur-System was not an available work.

THE COMMISSION agreed :—

(1) that the book by Frisch (J. L.) published in 1775 under the title Das Natur-System der vierfiissigen There was not available for nomenclatorial purposes under the Reégles, Frisch not having applied therein the principles of binominal nomenclature, as prescribed by Proviso (b) to Article 25, and therefore that the names attributed to Frisch as from the foregoing work possessed no nomenclatorial status therefrom ;

(2) to render an Opinion recording the decision specified in (1) above.

43. THE COMMISSION reverted to the study of Commission File Z.N.(S.)182, containing an application submitted by Dr. Marcus W. Lyon, Jr. (Washington, D.C.), that the Commission should give a ruling on the question of the availability of the name Dama virginiana Zimmer- mann, 1780 (Geographische Geschichte, 2: 129), as the designation of the Virginian Deer. In submitting this inquiry, Dr. Lyon had furnished a quotation of the passage in Zimmermann’s work in which the name Dama virginiana had appeared, which showed that Zimmermann had documented this name, both by citing bibliographical references to descriptions of the species published by previous authors (Ray, Lawson, Pennant) and by himself giving a description of that species: Thus, the only question which arose in connection with this name was whether the work in which it was published was an acceptable work under Article 25 of the Régles.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that, in view of the decisions which the Com- mission had just taken regarding*the status of Frisch (1775), Zimmermann (1777) and Zimmermann (1780), the position under the Reégles of the specific name Dama virginiana had been completely clarified : (1) The decision

550 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session,

14th Meeting, Conclusion 42)

(Previous reference: Paris Session,

8th Meeting, Conclusion 4(3) )

on the Geographische Geschichte of Zimmermann (1780) made it clear that the specific name Dama virginiana was published in a work which came within the framework of the Régles and this, coupled with the fact that Zimmer- mann had then published a description for the species to which he applied this name, made it clear that the specific name Dama virginiana Zimmermann, 1780, possessed rights under the Law of Priority ; (2) the decision that the Natur-System of Frisch (1775) possessed no status under the Régles eliminated the reputed generic name Dama Frisch, 1775, from consideration and with it any doubt as to the availability of the generic name Dama Zimmermann, 1780. Continuing, the Acting President said that, while there was now no doubt that the generic name Dama Zimmermann, 1780, and the trivial name virginiana Zimmermann, 1780 (as published in the binominal com- bination Dama virginiana) were both available names under the Régles, there remained a question of quite a different order which he suggested should be considered by the Commission before these names were brought back into current literature from the oblivion in which they had lain for so long. The question here, to which his attention had been drawn by Mr. T. C. 8. Morrison-Scott (British Museum (Natural History), London),was that the acceptance of Dama Zimmermann, 1780, as the generic name (by monotypy) of the Virginia Deer would involve a confusing transfer of that generic name to the American list from the European list, in which this generic name (attributed to a later author) was in use for the European Fallow Deer. In these circumstances, the Acting President felt that this case was essentially similar to the class of cases covered by the Recommandation which (at the jomt meeting of the Commission and the Section on Nomenclature held on the forenoon of Friday, 23rd July, 1948) it had been agreed to insert in the Régles urging authors, on discovering, inter alia, that the type species of some genus of importance in applied biology was some species other than that commonly accepted as such, to report the case at once to the Commis- sion for such action as they might consider proper, and in the meanwhile to refrain from using the generic name in the sense so found to be correct until such time as the decision of the Commission was made known.

IN DISCUSSION general agreement was expressed with the view that before the generic name Dama Zimmermann, 1780, was transferred from the European Fallow Deer to tlfe Virginia Deer of America, it was desirable that the Commission should be given an opportunity of considering whether confusion was likely to result therefrom and there- fore whether the use of the plenary powers was called for,

14th Meeting, Paris, July, 1948, 551

THE COMMISSION agreed :—

(1)

(2)

(3)

(4)

that, having regard to the decisions just taken (a) that Zimmermann, 1780, Geographische Geschichte was an available work but (b) that Frisch, 1775, Das Natur-System was to be rejected as an unavailable work, the undermentioned names, each having been published with a description or an indication, were available names in the Class Mammalia (Order Ungulata) :—

(a) the generic name Dama Zimmermann, 1780 ;

(b) the trivial name virginiana Zimmermann, 1780 (as published in the binominal com. bination Dama virginiana) ;

having regard to the representations received as to the confusion to be expected if the generic name Dama was now to be transferred from the Fallow Deer of Europe to the Virginia Deer of America, to examine as quickly as possible, in conjunction with interested specialists, the question whether the degree of confusion likely to result from the foregoing transfer was such as to call for the use by the Commission of their plenary powers to secure the continued employment of the generic

“name Dama in its accustomed sense :

to invite the Secretary to the Commission, by publishing the foregoing decision in the Bulletin of Zoological Nomenclature and otherwise, to obtain as rapidly as possible the views of interested specialists on the question of the future status to be accorded to the generic name Dama Zimmer- mann, 1780, and the specific name Dama virginiana Zimmermann, 1780, with a view to a decision being taken by the Commission thereon with as little further delay as possible :

to recommend specialists to refrain from trans- ferring the generic name Dama from the Fallow Deer of Europe to the Virginia Deer of America, pending the outcome of the examination of the issues involved as agreed upon in (2) above, and to request the Secretary to convey this reeommenda- tion to specialists when making the consultations referred to in (3) above,

552 International Commission on Zoological Nomenclature.

Meigen (J. G.), 1800,

Nouvelle Classification des Mouches a deux Ailes (Class Insecta, Order Diptera) :

(1) Report by the Secretary regarding ;

(2) future procedure on, determined

44. THE COMMISSION examined Commission File Z.N.(S.)191, containing the correspondence which since the Session held by the Commission at Lisbon in 1935 had passed between the Secretary to the Commission and specialists in the Order Diptera (Class Insecta) in regard to the generic names in that Order published by Meigen in 1800 in the pamphlet entitled Nouvelle Classification des

_ Mouches a deux Ailes. In the same file also were the notes

relating to the discovery by the Secretary that the Hendel (1908) transcript of Meigen’s diagnoses of the genera established in the Nouvelle Classification, on which (owing to the extreme rarity of Meigen’s pamphlet) practically every dipterist who had taken part during the last 30 years in discussions on the Meigen (1800) names had had to tely, contained a number of errors, some at least of which were of substance from the point of view of interpreting Meigen’s intentions. It was this discovery which had led the Secretary to the Commission to seek the approval of the Council of the Zoological Society of London for the publica- tion in the Bulletin of Zoological Nomenclature of the facsimile reproduction of the fine copy of Meigen’s pamphlet possessed by the Society, which appeared in 1945, Bull. zool. Nomencl., 1: 119-160, together with a covering note by the Secretary to the Commission drawing attention to the discrepancies between Hendel’s transcript and the original version, as published by Meigen.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said that in its main ofttlinés the problem presented by the Meigen names of 1800 was extremely simple. It was the way in which this problem had been handled by the

_Commission that was mainly responsible for the present

lack of uniformity in the nomenclature of the Order Diptera, though this result had been contributed to also by a certain lack of initiative shown by dipterists themselves, who had not sufficiently realised that in a disputed matter of this kind finality could be achieved only by obtaining from the Commission a definitive decision in regard to each of the names concerned. For over 100 years after its publication, Meigen’s Nouvelle Classification had been ignored by dipterists, very few of whom had ever seen a copy or were even aware of its existence. In 1908, however, this pam- phlet had sprung into the limelight when Hendel had published a transcript of the diagnoses published in it by Meigen and had advanced a claim that these names should be ‘accepted in place of other long-established names published by Meigen himself in 1803. The immediate reception of Hendel’s paper was on the whole very critical, but it was not long before it became clear that the Meigen

14th M eeting, Paris, July, 1948. 553

names of 1800 were likely to cause serious disagreement among specialists and consequent confusion in the generic nomenclature of the important Order Diptera. Accordingly, at this stage the late Dr. J. M. Aldrich invited the Com- mission to give a ruling on the admissibility of these names. The availability of these names could not be impugned on the ground that they had been published without a descrip- tion, diagnosis or indication, for Meigen had given a concise diagnosis for each of them. Nor could these names be challenged on the ground that Meigen had not cited species by name for the genera which he there established, for there were large numbers of genera in other parts of the Animal Kingdom which had been established in exactly the same way and were universally accepted. The extreme rarity of Meigen’s Nouvelle Classification had, however, suggested that the names contained in this pamphlet had not been duly published (‘ divulgués dans une publication ’’) within the meaning of Article 25 and that possibly therefore those names might be ruled as unavailable on this account. This aspect of the problem had been care- fully considered by the Commission who had come to the conclusion that, on the evidence available, this pamphlet must be accepted as having been duly published. The Commission had accordingly adopted an Opinion (Opinion 28, published in 1910) that the generic names in Meigen’s Nouvelle Classification must be regarded as available under the Reégles. In most cases of this kind, such a decision would have cleared the way for the im- mediate introduction of the names in question and, after the inevitable disturbance had subsided, for the restoration ‘of stability in the nomenclature of the group concerned. This did not happen in the present case, for, apart from the fact that some workers refused to accept the ruling given in Opinion 28, many of those who desired to regulate their work in accordance with the Régles had found difficulty in so doing owing to the lack of guidance at that time as to the method to be followed in selecting the type species of a genus originally established with no included species cited by name. Not long afterwards, however, this subject was considered by the Commission, and it might therefore have been hoped that difficulties under this head would then have disappeared. Unfortunately, the ambiguous and obscure Opinion (Opinion 46) rendered by the Commission on this subject, instead of simplifying this problem greatly added to its complexity. As was only to be expected, those workers who wished both to observe the Regles and also to avoid using the Meigen names of 1800 were not slow to take advantage of the weaknesses of Opinion 46 in arguing against the acceptance of the Meigen ( 1800) ’’ names on the ground

554 International Commission on Zoological Nomenclature.

(Previous references:

Paris Session, 6th Meeting, Conclusion 39 ; 12th Meeting, Conclusion 30)

(Previous reference:

Lisbon Session, 2nd Meeting, Conclusion 15)

that it was not possible under that Opinion to recognise the originally included species, from which alone the type species could be selected. Discussions on these lines had continued right up to the present time, it being only during the present Session that it had been agreed to simplify and make self-consistent the interpretation of Article 30 given in Opinion 46, on that interpretation, as amended, being incorporated into the Régles, Opinion 46 at the same time

being repealed for interpretative purposes. It was largely:

for the reasons described above that no progress was made during the inter-war years in resolving the difficulties created by the recognition of the availability of the “Meigen (1800)”’ names. But in part also this lack of progress was due to a projected movement among certain dipterists (mainly in Europe) to seek the suppression of these names by the Commission under their plenary powers. This movement came to a head at the meeting of the International Congress of Entomology held in Paris in 1932. That Congress, however, gave no support to that movement, adopting instead, by a majority, a resolu- tion asking the Commission to give a ruling that the Meigen names of 1800 should now be brought into use. This resolution was considered by the Commission at its Session held at-Lisbon in 1935. The Commission had then rightly felt that they could not properly deal with this question in this wholesale way, without any investigation regarding either the validity of the type selections made for the genera concerned, or the weight to be attached to special considera- tions of other kinds involved in the case of particular names. The Commission had accordingly adopted an Opinion (Opinion 152) in which they had at the same time reaffirmed their previous decision (Opinion 28) that under the Régles account must be taken of the Meigen names of 1800 and had invited specialists who were of the opinion that the adoption of any given one of those names would lead to confusion to submit an application, with supporting data, for the use by the Commission of their plenary powers to suppress the name in question in favour of the name generally in use. The Commission had hoped that, by this means, it would be possible within a short period to stabilise the nomenclature of the genera concerned. In this hope, the Commission had, however, been disappointed, as the result largely of the continuing difficulties experienced in interpreting Opinion 46, the importance of which in this connection they had underestimated when they considered this question at Lisbon. For this reason and also. because of the difficulties created by the war, no effective progress had been made since the Lisbon Session of 1935. Opinion 152 had, however, elicited two applications : (1) an applica-

i

(Previous reference: Paris Session, 13th Meeting, Conclusion 8)

14th Meeting, Paris, July, 1948. 555

tion from Dr. John Smart (then of the British Museum (Natural History), London), for the use of the plenary powers to preserve certain generic names which were the type genera of families but which (it was agreed) were due to be sunk in synonymy in favour of corresponding Meigen (1800) names, unless the plenary powers were used to prevent this from happening ; (2) an application from Dr. C. W. Sabrosky (United States National Museum, Washington, D.C.) for the suppression of the name Titania Meigen, 1800, in favour of the name Chlorops Meigen, 1803. The receipt of these applications was an encouraging sign, and he (the Acting President) proposed that these applica- tions should be published in the Bulletin of Zoological Nomen- clature as soon as might be practicable, with a view to decisions being taken by the Commission thereon with as little further delay as possible. It was essential that the Commission should not allow this question to drift in- definitely through fear of giving offence in one quarter or another (as unfortunately they had for so long done in the case of the generic name Colymbus Linnaeus, 1758, in the Class Aves). On the other hand, it was extremely important that, short of falling into such delays, the Commission should do everything possible both to ascertain the views of interested specialists and to promote unity among them on the questions at issue. With this end in view, he (the Acting President) had taken advantage of his recent visit to the United States to discuss the Meigen problem with interested specialists and since his return he had held similar discussions with specialists in Europe, in the hope of devising some agreed formula which could be applied in determining whether a given Meigen (1800 )” name should he accepted or on the contrary rejected under the plenary powers. He was bound to report that no results of practical value had so far emerged from these discussions.

Continuing, the Acting President said that he had come to the conclusion that the proper course for the Commission . now to adopt would be to take decisions as promptly as possible on applications submitted in accordance with

Opinion 152. In each case, they should take steps to

ascertain the extent to which the ‘‘ Meigen (1800) name in question was already in current use (in the sense which would result from the assumption that the first species selected as the type species was, in fact, the type species), and the degree of disturbance, if any, which the general acceptance of that name would involve. Having done so, the Commission should, he recommended, either decide in. favour of the adoption of the ‘“ Meigen (1800) name concerned (by formally rejecting a proposal for its sup-

International Commission on Zoological Nomenclature.

pression) or should use their plenary powers either to vary the type species of the genus so named or to suppress that name in favour of the corresponding Meigen name of 1803. In each case the decision taken should depend upon the action necessary, in the opinion of the Commission, to avoid confusion and promote stability. Every name so accepted, either with or without resort to the plenary powers, should then be placed on the Official List of Generic Names in Zoology,” the corresponding rejected name being at the same time placed on the Official Index of Rejected and Invalid Generic Names in Zoology.” Prompt decisions on applications submitted under Opinion 152 would settle once and for all the question whether the “‘ Meigen (1800) name concerned should be the correct name for the genus in question, and the decision reached, whatever its nature, would stabilise the name to be applied thereafter to that genus. The Commission, he recommended, should begin by dealing as promptly as possible with the applications already received from Dr. Smart and Dr. Sabrosky. In addition, they should do everything in their power to promote the submission of further proposals. With this end in view, he proposed, as Chairman of the Committee on Generic Nomenclature of the Royal Entomological Society of London, to recommend the Diptera Sub-Committee of that Committee (the work of which had been brought to a virtual standstill through doubts regarding the status to be accorded to the relevant Meigen (1800) names) to ask the Society to seek rulings from the Commission on each of the Meigen names which affected the British List. He was hopeful that, once some degree of progress had been made on these lines, specialists interested in securing stability in the generic nomenclature of other groups in the Order Diptera would be attracted to submit further similar applications, until eventually the names of all the genera concerned had been stabilised through being placed on the Official List.”’

ALTERNATE COMMISSIONER N. D. RILEY (UNITED KINGDOM) said that, from his contacts with specialists, he was satisfied that there was today a much greater desire than ever before among dipterists, especially among the younger workers, to see an end put to the fruitless controversy which for over 30 years had done so much harm to the nomenclature of this Order. There was also a much greater willingness to sink individual preferences in the interests of the general good. He considered, therefore, that the Secretary should be encouraged to continue his efforts to promote a solution-of this difficult

14th Meeting, Paris, July, 1948. 557

problem. He was in agreement with the specific proposals in regard to procedure submitted by the Secretary,

powers, if those powers had been invoked as soon as they had been granted to the Commission, had since been widely, though by no means tnanimously, used both in systematic and technical literature and in routine identifica- tions by entomological institutions, with the result that any application for the use of the plenary powers to suppress those names would today present features which would have been absent if a corresponding application had been made 30 years earlier. It was generally agreed that, as suggested

@ generation earlier had been so severely impaired by the discovery of Meigen’s Nouvelle Classification,

THE COMMISSION :—

(1) took note of the Report submitted by the Secretary to the Commission on the discussions

- which had taken place since their Session held at

* Lisbon in 1935, for the purpose of devising means for stabilising that part of the generic nomencla- ture of the Order Diptera (Class Insecta) which had been thrown into confusion as the result of the controversy which had arisen consequent upon the publication in 1908 of the paper in which Hendel had claimed to have recognised the genera for which diagnoses had been published by Meigen in 1800 in the pamphlet entitled Nowvelle Class; Jication des Mouches a deux Ailes;

(2) agreed :— (a) to take all practicable steps to promote the

submission to the Commission of applica- tions under the provisions of Opinion 152

558

International Commission on Zoological Nomenclature.

(b)

(c)

regarding individual Meigen (1800) names which specialists desired either should be placed on the Official List of Generic Names in Zoology or should be suppressed by the Commission under their plenary powers ;

to reach decisions as rapidly as possible on all applications submitted in accordance with (a) above, on the basis of all available information relating to the degree of confusion to which the stabilisation or, as the case might be, the suppression of the Meigen (1800) names concerned would be likely to give rise, and, in particular, of data regarding the relative use (i) in systematic literature, (ii) in the literature of applied biology, and (iii) in routine identifications carried out by entomological institutions, of the Meigen (1800) names in question and the corresponding Meigen (1803) or other names, in successive recent periods, the plenary powers being used or withheld according to which course appeared likely to cause the least confusion and disturbance in current nomenclature ;

where, in response to an application submitted in accordance with (a) above, the plenary powers were used to suppress a Meigen (1800) name, to place that name forthwith on the Official Index of Rejected and Invalid Generic Names in Zoology,” and at the same time to place on the Official List of Generic Names in Zoology whichever name (whether a Meigen (1803) or another) became thereby the oldest available name for, and therefore the valid name of, the genus concerned ;

where, in response to an application sub- mitted in accordance with (a) above, the Commission refused to use its plenary powers to suppress a Meigen (1800) name, to place the name concerned on the Official List of Generic Names in Zoology,” at the same time placing on the Official Index of Rejected and Invalid Generic Names in Zoology the name, the application for the validation of which under the plenary powers had been refused.

Individual problems of zoological nomenclature on which decisions had been taken during the present (14th) Meeting of the Commjssion : Report on, to be submitted to the Section on Nomenclature

VOL. 4H

14th Meeting, Paris, July, 1948. 559

45. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that, now that the Commission had examined Commission File Z.N.(S.)191 (relating to the discussions in regard to the problem of the generic names in the Order Diptera (Class Insecta), published by Meigen in 1800, which had taken place since this matter had been considered by the Commission at Lisbon in 1935), they had completed the examination of all the Commission Files which he had brought with him to Paris for their considera- tion, with the exception of Commission File Z.N.(8.)143 (relating to certain serious errors in Opinion 104 in regard to the nomenclature of the human malaria parasites), which he proposed to bring before the Commission a little later during the present meeting. The present, therefore, seemed an appropriate moment at which to report to the Section on Nomenclature the decisions taken by the Commission during the present meeting in regard both to the individual nomenclatorial problems, the applications relating ‘to which had been published in Parts 10 and 11 of Volume 1 of the Bulletin of Zoological Nomenclature, and also to the similar cases dealt with in the Commission files which the Commission had just examined. As the present meeting of the Commission was being held jointly with a meeting of the Section and the decisions taken by the Commission on all the individual cases in question had been taken unanimously by the Commission in full agreement with the other members of the Section present, the Report now to be submitted would be purely formal. Nevertheless, such a Report should be submitted, in order that it might be on record that the cases in question had been submitted by the Commission to the Section for their approval. -

THE COMMISSION agreed :—

(1) to report to the Section on Nomenclature the decisions reached on the undermentioned indi- vidual problems of zoological nomenclature and to seek the approval of the Section therefor :—

(a) the problems dealt with in the applications published in Parts 10 and 11 of Volume 1 of the Bulletin of Zoological Nomenclature (Conclusions 2-12 and 14-21) ;

(b) the problems dealt with in the Commission Files examined by the Commission (Con- clusions 23-44) ;

(2) to invite the Acting President, in his capacity as Secretary to the Commission, forthwith to submit to the Section on Nomenclature the Report referred to in (1) above.

560 International Commission on Zoological Nomenclature.

Reissues of

“* Opinions 1-16: examination (1} of comments on interpretations

of the Regles given in, and (2) of certain proposals for further action submitted either in “‘ Editorial Notes attached to, or in footnotes added to

(Previous reference: Paris Session,

6th Meeting, Conclusion 9)

. on Zoological Nomenclature.”

(The Acting President thereupon submitted the foregoing Report to the Section on Nomenclature.)

46. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) proposed that the Commission should now turn their attention to the commentaries on certain of the earher Opinions contained in ‘“ Editorial Notes” written by himself as Secretary to the Commission at the time when those Opinions (which had long been out of print and in consequence were virtually unobtainable) had been republished in Volume | of the work entitled ‘‘ Opinions and Declarations rendered by the International Commission As the Commission would recall, he (the Acting President) had already referred to these Editorial Notes’? when they had had under consideration the proposals for the codification of the interpretations of the Régles given in Opinions which had been submitted in Commission Paper I.C.(48)10. For the reasons explained, these Editorial Notes”? had been a step in the right direction, but, as he had then observed, they inevitably suffered from the disadvantage that, however obvious the points made in them in any given case, the points so made were points made by a single individual and lacked therefore the value which they would command if they had been issued as the considered views of the Commission as a body. As he had pointed out, the codification of the interpretation of the Régles as recom- mended in Paper I.C.(48)10 would render such ‘‘ Editorial Notes unnecessary, for, after codification, the Opinions themselves would cease to have any but a historical value and it would be not only unnecessary but positively wrong in future to look to these Opinions for guidance as to the interpretation of the Regles. The comments in the “« Editorial Notes attached to the reissues of the Opinions in question were of two kinds: first, there were notes concerned with the interpretation of the Regles given in the Opinions concerned ; second, there were notes con- taining proposals for further action by the Commission in regard to individual nomenclatorial questions either dealt with directly in the Opinions in questions or arising in connection with the discussion of those Opinions. The decisions taken by the Commission during the present Session for the codification of the interpretations of the Régles given in these Opinions covered all the points relating to matters of interpretation raised in these ‘‘ Editorial Notes’ with the exception of that raised in Note 5 to the reissue of Opinion 4, which was concerned with the scope of the ruling given in that Opinion in regard to the status of names which, prior to being published, had existed only as manuscript names. One of the questions

14th Meeting, Paris, July, 1948. 561

relating to individual nomenclatorial questions raised in these Editorial Notes (the question of the type species of Echeneis Linnaeus, 1758) had also been settled by the Commission during the present Session. The Acting President proposed that the Commission should now examine the question of interpretation raised in Note 5 to Opinion 4 and that, having done so, they should consider those of the Editorial Notes relating to individual nomenclatorial questions which had not already been considered during the present Session. He suggested that included among these questions should be the problem of the status of names published in 1758 in the Geslachten der Vogelen of Nozeman and Vosmaer, reports on which by President Karl Jordan had been reproduced in a footnote

to the reissue of Opinion 5.

THE COMMISSION agreed :—

to examine, in turn, the undermentioned questions raised either in Editorial Notes attached to, or in footnotes inserted in, the reissues of Opinions 1-16 (1944-1947, Opinions and Declarations rendered by the International Commission on Zoological Nomenclature, 1: 73-304), with a view to reaching decisions on the questions so raised :—

(a) Note 5 to the reissue of Opinion 4 on the subject of the scope of the decision in that Opinion in regard to the status of names which, prior to being published, existed only as manuscript names ;

(b) Footnote 10 to the reissue of Opinion 5, con- taining Reports prepared by President Karl Jordan on the question of the availability of names as published in 1758 in the Geslachten der Vogelen of Nozeman and Vosmaer ;

(c) Notes 3 and 5-8 to the reissue of Opinion 13, containing recommendations for the adoption of :—

(i) an Opinion on the availability of names

in the edition of Mark Catesby’s Natural

_ History of Carolina edited by George Edwards and published in 177] :

(ii) an Opinion on the availability of names published in 1778 in Meuschen’s Museum Gronovianum;

(ui) an Opinion relating to the trivial name of the Sand Crab, correcting the errors in Opinion 13 and cancelling that Opinion; ;

vou 4?

or (=P) bo

Article 25: question whether, when an author, on publishing a manuscript name or republishing with an indication a name previously published as a “nomen nudum”, omits expressly to state that he is so doing, that omission is material to the status of the name so published or republished, clarification of position regarding

(Previous reference: Paris Session,

6th Meeting, Conclusion 18)

International Commission on Zoological Nomenclature.

(d) Notes 3-5 to the reissue of Opinion 16 regarding certain generic names discussed in that Opinion but on which the Commission then gave no ruling as to the species severally to be accepted as the type species of the genera concerned ;

Note 7 attached to the reissue of Opinion 16 on the need for the use of the Commission’s plenary powers to validate the entry in the Official List of Generic Names in Zoology of Taenia soliwm Linnaeus, 1758, as the type species of the genus Taenia Linnaeus, 1758 (Class Cestoidea), made under the authority of Opinion 84, notwithstanding the fact that, as pointed out in Opinion 16, the type species of that genus under the Reégles was Taenta vulgaris Linnaeus, 1758, by absolute tautonymy.

oO ~—

47. THE COMMISSION examined Note 5 attached to the reissue in 1944 of Opinion 4 (relating to the status of names published as manuscript names), in which the Secretary to the Commission had drawn attention to the fact that, although the title of that Opinion (“ The status of names published as manuscript names ”’) suggested that the decision there given applied only to those cases in which an author, when publishing a name, expressly stated that that name was a manuscript name, it was clear from the form of words employed in the “summary” of that Opinion (‘‘ Manuscript names acquire standing in nomen- clature when printed in connection with the provisions of Article 25 ...”’) that in fact the ruling in that Opinion applied to all manuscript names when published with an indication, definition or description by a binominal author, irrespective of whether or not that author expressly stated that the name which he is publishing is a manuscript name.

In discussion it was generally agreed that it was desirable that in the provision which it had been agreed (at the meeting noted in the margin) should be inserted in the Régles to give effect (in a suitably corrected form) to the interpretation of Article 25 given in Opinion 4 words should be inserted to make it clear that it was immaterial for the purposes of that provision whether an author who published a name which had previously existed only as a manuscript name expressly stated or not that he was so doing. It was desirable also that it should be made clear that the same principle applied in cases where an author published with an indication, definition or description a yame previously published as a nomen nudum. It was pointed out that in the older literature it frequently happened

Article 25: publication of names which had previously existed

- aS manuscript

names and the republication of names previously published only as * nomina nuda,” addition of a

“Recommandation”

condemning

14th Meeting, Paris, July, 1948. 563

that a manuscript name, when published, was attributed by the author by whom it was published to the author by whom it had been originally proposed in manuscript, either because he was not aware that in fact that name had never been published by its original author or out of a mistaken idea that, by so doing, it might be possible to link that author’s name with the name in question, now that it had at last been published. Similarly, some authors, when republishing with an indication, definition or description a name which had previously been published as a nomen nudum, attributed the name in question to the author by whom it had previously been published as a nomen nudum. It would be well that the decision now to be taken should apply to such cases also.

THE COMMISSION agreed to recommend :—

that words should be inserted in the provision which, on the recommendation of the Commission (at the 6th Meeting (Conclusion 18) of their Paris Session), it had now been agreed to insert in Article 25 of the Reégles to give effect to the decision embodied in Opinion 4, making it clear that it was immaterial for the purpose of that provision whether an author, when publishing a manuscript name or republishing with an indication (including the citation of the name in question in the synonymy of a species or subspecies having a validly published name), definition or description a name previously published only as a nomen nudum, ex- pressly states that he is so doing or whether an author publishing or, as the case may be, republishing, such a name attributes that name to some previous author in the erroneous belief that that name had been validly published by that author or as a tribute to the author by whom the name in question had been originally proposed either in manuscript or published as a nomen nudum.

48. In the course of the discussion recorded in Conclusion 47 above, the view was expressed that the publication of names which had previously existed only as manuscript

‘names and of names which had previously been published

only as nomina nuda was calculated to cause confusion and should therefore be avoided, save in exceptional circum- stances where there existed some special reason which made the publication of such a name desirable.

THE COMMISSION agreed :—-

(1) to recommend that a Recommandation should be inserted in Article 25 of the Régles strongly condemning (a) the publication of names which

564 International Commission on Zoological Nomenclature.

had previously existed only as manuscript names and (b) the republication of names which had previously been given an irregular currency through having been published as nomina nuda, and urging any author who might consider that for some special reason it was important that such a name should be published or, as the case may be republished, expressly to draw attention to the action which he was taking ;

(2) to invite the Acting President, in his capacity as Secretary to the Commission, forthwith to report to the Section on Nomenclature the reeommenda- tion specified in (1) above, together with the recommendation for the clarification of the provisions in the Reégles in relation to the status of names which, prior to being published, had existed only as manuscript names, and of names which, prior to being published with an indication, definition or description, had previously been published as nomina nuda, recorded in Conclusion 47 above.

(The Acting President thereupon submitted the foregoing recommendations to the Section on Nomenclature.)

Article 21 : 49. THE ACTING PRESIDENT (MR. FRANCIS authorship of HEMMING) recalled that at their meeting held on the names and the = evening of Friday, 23rd July, 1948, the Commission had adopted inciting | made a survey of the position as regards the 17 applications auihers once: submitted by Professor Pierre Bonnet (University of steiiteat aac pie Toulouse, France) and had agreed, as regards those of the regarding proposals in question on which decisions had not at that

time been taken, that certain of those proposals should be considered at a later meeting during the present Session, with a view to decisions being taken thereon, while others should be remitted for further study after the close of the present Session. The Commission had now taken decisions on all the applications in question which it had then been agreed should be dealt with during the present Session, with the exception of Professor Bonnet’s Proposition 13, which he accordingly now invited the Commission to consider. In this proposition Professor Bonnet had recommended that words should be inserted in the Régles prescribing the criteria to be adopted in determining the authorship of a new name published in a joint paper by two or more authors, in those cases where it was clearly stated in the paper that the description of the taxonomic unit to which a given new name was applied was the - exclusive’ work of one only of the authors concerned,

oF ae a ae

14th Meeting, Paris, July, 1948. 565

Professor Bonnet had proposed that a provision should be inserted in the Régles prescribing that in a case such as that indicated above, where a paper was the joint product of two authors (authors “A” and “B”) and the paper contained clear evidence that the description of all or of certain specified taxonomic units there named for the first time was the exclusive work of one only of the authors concerned (say author B ””) the name or names in question were to be attributed to author B” (and not to authors “A” and B jointly) and were to be cited as having been named by author B” in‘ A’ and‘ B’,’” this attribution being followed in the ordinary way by the title of the joint book in which the name in question appeared or, as the case might be, the title of the serial in which the joint paper containing that name was published. Similarly, where the author of a book or paper (say author ‘“ A ’’) expressly states that the description of a taxonomic unit named therein for the first time was written by some other author (say author “(C”’), the name in question should be attributed to author ‘‘C”’, not to author A”, and should be cited as having been published by “‘C’ in‘ A’.”

In discussion, it was agreed that it would be helpful if there were added to the Régles a provision such as that suggested by Professor Bonnet, for it would serve the useful purpose of giving formal recognition to the best current practice in this matter.

THE COMMISSION agreed :—

(1) to recommend that the following provisions should be added to Article 21 prescribing the method to be followed (i) in determining the authorship to be attributed to a name published in a book or paper written jointly by two or more authors and to a name published by one author in a book or paper written by another author, and (ii) in citing names so published :—

(a) Where in a book or paper written jointly by two or more authors, it is clearly stated that one of those authors is exclusively respon- sible for the description of one or more specified taxonomic units there named, the name or names so published are to be attributed solely to the author stated to be responsible for the descriptions thereof and not jointly to both or all of the joint authors of the book or paper. The name of a taxonomic unit so described and named by an author B” in a paper written jointly

566

Nozeman &

Vosmaer, 1758, Geslachten der

Vogelen (a

International Commission on Zoological Nomenclature.

by himself and one or more other authors (say, a paper written jointly by authors “A” and “B”’) is to be cited as having been published by “‘ B’ in‘ A’ and‘ B’”

(b) Where in a book or paper written by one author (say author A ”’) it is clearly stated that the description of one or more specified taxonomic units there named has been prepared exclusively by some other author (say, author “C’’), the name or names in question are to be attributed to author C,” not to author “A.” The name of a taxonomic unit so described and named is to be cited by later authors as having ee published by “‘C’ in‘ A’.”

(2) to invite the Acting President, in his capacity as Secretary to the Commission, to report forthwith to the Section on Nomenclature the recommenda- tion recorded in (1) above.

(The Acting President thereupon submitted the fore- going recommendations to the Section on Nomenclature.)

50. THE COMMISSION examined Footnote 10 to Note 4 of the ‘“‘ Editorial Notes ”’ attached to the reissue in 1944 of Opinion 5 relating to the status of names originally

translation into published prior to 1758 (the starting-point of zoological

Duich of a work by Moehring entitled

nomenclature), when republished by a binominal author

“Avium Genera” subsequent to 1757 (Opinions and Declarations rendered published in 1752): by the International Commission on Zoological Nomenclature

declared not available for

1: 121-122), containing two Reports by President Karl

nomenclatorial Jordan (United Kingdom) on the question of the availa- -

Purposes

bility of generic names published in 1758 by Nozeman and Vosmaer in a translation, entitled Geslachten der Vogelen of a work by P. H. G. Moehring entitled Avium Genera which had been published in 1752 (i.e. prior to the starting point of zoological nomenclature, as defined by Article 26) (file Z.N.(S.)367, formerly file Z.N.(G.)24). ~~ President Jordan had shown in his Reports, which were illustrated by quotations from the Geslachten of Nozeman and Vosmaer and contained also a comparison of that work with the Aviwm Genera of Moehring, that in their Geslachten Nozemann and Vosmaer had not re-inforced, by adoption or acceptance, the generic names published by Moehring in 1752. These names, as published by Nozeman and Vosmaer thus failed to satisfy the requirements laid down in the Commission’s Opinion 5, and hence possessed no status under the Régles, as from the date of being so published,

14th Meeting, Paris, July, 1948. 567

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) explained that the question of the availability of generic names as published by Nozeman and Vosmaer in 1758 had arisen when, as Secretary to the Commission, he (the Acting President) had been engaged in the preparation of the Official List of Generic Names in Zoology for publication in book form. For when he had examined from this point of view the entries on the Official List” in regard to the generic names Coturnir Bonnaterre, 1790, and Grus Pallas, 1766 (placed on the “Official List” in Opinions 67 and 103 respectively), he had found that, if Nozeman and Vosmaer’s Geslachten der Vogelen was an available work, each of the above generic names was an invalid homonym of a generic name published by Nozeman and Vosmaer. On being consulted, President Jordan had kindly agreed to make a critical examination of Nozeman and Vosmaer’s Geslachten, with special reference to the question whether generic names published therein satisfied the tests laid down in Opinion 5 for the acceptance of pre-1758 names, when re-published by a binominal author after 1757. It was evident from the Reports furnished by President Jordan that Nozeman and Vosmaer’s Geslachten der Vogelen did not fulfil the require- ments laid down in Opinion 5 and therefore that new names published in that work possessed no status under the Régles as from the date of being so published.

Continuing, the Acting President said that, during the war, he had had correspondence with Vice-President James L. Peters (U.S.A.), who, as an ornithologist, was anxious to be assured that the so-called generic names of Nozeman and Vosmaer were not available under the Régles; Dr. Peters explained that he had been informed by the late Commissioner L. Stejneger (U.S.A.) that the status of these names had already on a previous occasion formed the subject of consideration by the Commission. It might well be, the Acting President considered, that the late Com- missioner Stejneger’s recollection in this matter was correct, for he had been famed for his accurate and retentive memory. If so, this must have been one of the cases which in the past the Commission had at some time taken up, but on which they had never reached a decision. The generic names which appeared in Nozeman and Vosmaer’s Geslachten were not currently accepted by ornithologists, but they none-the-less constituted a potential cause of confusion and instability in ornithological nomenclature so long as there was no definite ruling by the Commission that they were to be rejected as possessing no status in zoological nomenclature as from the date of their having been so published. He (the Acting President) accordingly recom-

568 International Commission on Zoological Nomenclature.

Edwards’ edition (1771) of Catesby {M), Natural History of Carolina (status of names in): clarification of decision in

“* Opinion 89 relating to

mended that the Commission should now dispose of this problem by giving such a ruling.

IN DISCUSSION there was general agreement that President Jordan had clearly established that the Geslachten der Vogelen of Nozeman and Vosmaer (1758) did not satisfy the requirements of Opinion 5 and therefore that names, as published in that work, possessed no status under the Régles. The action proposed met therefore with general approval.

THE COMMISSION agreed :—

(1) that the work published in 1758 under the title Geslachten der Vogelen, consisting of a translation into Dutch by Nozeman and Vosmaer of the work entitled Aviwn Genera by Moehring (P.N.G.) originally published in 1752 (ie. before the starting-point of zoological nomenclature, as prescribed by Article 26) was not available under the Régles, Nozeman and Vosmaer not having reinforced the names contained therein by adoption or acceptance in the manner prescribed in Opinion 5, and therefore that those names possessed no status in zoological nomenclature as from the date of being so published ;

(2) to render an Opinion recording the decision specified in (1) above.

51. THE COMMISSION examined Notes 3 and 8 of the ‘Editorial Notes” attached to the reissue in 1947 of Opinion 13 containing a recommendation that, when (as there proposed) Opinion 13 was replaced by an amending Opinion, a separate Opinion should be rendered in regard to the status of names appearing in the edition of Mark Catesby’s Natural. History of Carolina, edited by George Edwards and pub- lished in 1771 (Hemming, 1947, in Opinions and Declarations rendered by the International Commission on Zoological Nomenclature 1: 213-215, 227-232). In this note the Secretary to the Commission had pointed out that implicit in the decision given in Opinion 13 (regarding the trivial name of the Sand Crab) was a decision on a matter of general interest which should logically have been stated in

express terms and embodied in a separate Opinion. The |

decision in question was that Catesby’s names were not reinforced by adoption or acceptance when his Natural History of Carolina was edited and republished by George Edwards, and, in consequence, that these names, so re- published, did not thereby acquire any status under the

re: =<

7 oe

14th Meeting, Paris, July, 1948. 569

Regles. Fifteen years after the publication in 1910 of Opinion 13 the late Commissioner David Starr Jordan (U.S.A.) had proposed that the plenary powers should be used to suppress for nomenclatorial purposes a number of early books, one of which was the Edwards edition (1771) of Catesby’s Natural History of Carolina. The proposals so submitted were approved by the Commission on general grounds and without any detailed examination of the nomenclatorial status of the individual books in question. In their Opinion on this subject (Opinion 89), the Com- mission added after the words Under suspension of the rules”? the qualifying words ‘“‘in any case where such suspension may be considered necessary according to the interpretation now or hereafter adopted by the Com- mission,’ thus showing that, as regards some at least of the books suppressed for nomenclatorial purposes under the plenary powers in that Opinion, they entertained some doubt as to the need for the action so taken. As noted above, that action was entirely unnecessary in the case of the Edwards edition of Catesby’s Natural History of Carolina, for already in 1910 (in Opinion 13) the Commission had taken the stand that the names used by Catesby in the original edition of the foregoing work published in the period 1731-1743 did not acquire status under the Régles in virtue of having been republished after the starting-point of zoological nomenclature in the edition prepared by Edwards and published in 1771. Thus, not even the conditional use in Opinion 89 of the plenary powers in regard to the Edwards edition of Catesby’s work was called for. As was well known, the use of the plenary powers at that time was confined to cases where there was absolute unanimity in the Commission in favour of such action. It appeared from the particulars of the voting on this case recorded at the close of Opinion 89 (published in 1925, Smithson. misc. Coll. 73 (No. 3): 32-33) that, in voting in favour of the proposed Opinion, the late Commissioner L. Stejneger (U.S.A.) had done so subject to the express proviso that the proposed use of the plenary power was not to apply to the concordance prepared by Edwards, in which the equivalent Linnean names were giyen, which was appended to Volume 2 of the Edwards edition under the title ““ A Catalogue of the Animals and Plants repre- sented in Catesby’s Natural History of Carolina: With the Linnaean Names.” In a note added by the then Secretary to the Commission (: 33) in regard to Commissioner Stejneger’s reservation, that Officer had written: ‘‘ Com- missioner Stejneger’s reservation is interpreted by the Secretary as limiting the unanimous vote of the Commission in the case of Catesby 1771 so that the suspension does not

570 International Commission on Zoological Nomenclature.

include the concordance.” This interpretation of the effect of Commissioner Stejneger’s reservation was un- doubtedly correct, but unfortunately it had not been recorded in the summary ”’ of Opinion 89, recording the decision taken on Commissioner D. §. Jordan’s application, with the result that the limitation imposed on the action then taken in regard to the Edwards edition of Catesby’s book had been frequently overlooked. At the close of the Editorial Notes to Opinion 13 now under consideration by the Commission, the present Secretary had suggested that, as part of the decision to cancel Opinion 13 (as there recommended) and to replace it by an Opinion-setting out the correct position in regard to the name of the Sand Crab, the Commission should render an Opinion also setting out the decision in regard to the Edwards edition of Catesby’s book implicitly laid down in Opinion 13. The juridical position as regards the names published in that book would thus be unaffected by the cancellation of Opinion 13.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that, since the time when, as Secretary to the Commission, he had prepared for the consideration of the Commission the Editorial Notes” now under

_ examination, he had come to the conclusion that, in view

(Previous reference: Paris Session, 4th Meeting, Conclusions 3

(3) (a) (ii))

of the decision taken by the Commission in Opinion 89 to use their plenary powers to suppress for nomenclatorial purposes names used by Catesby in his pre-1758 Natural History of Carolina, as republished by Edwards in 1771, the position, as it had existed before that decision, had become a matter of academic interest only, and therefore that there was no need now for the Commission to render an Opinion restating the decision on this subject given implicitly in Opinion 13. It was desirable, however, in his view, that the Commission should render an Opinion clarifying the decision in regard to the Edwards (1771) edition of Catesby’s book given in Opinion 89, for it was misleading in the highest degree that there should be no express mention in that decision of the material limitation imposed thereon by the reservation attached to Commissioner Stejneger’s vote. It was essential that by one means or another such a clarifica- tion should be made before the decision in that Opinion was recorded in the Schedule which (as agreed upon at the meeting noted in the margin) was now to be added to the Reégles recording decisions taken by the Commission under their plenary powers.

IN DISCUSSION, it was generally agreed that it was necessary that the decision in Opinion 89 should be clarified in the manner proposed,

+ re a a en

Meuschen (F.C.), 1778, ‘“ Museum Gronovianum : declared not available for nomenclatorial purposes

14th Meeting, Paris, July, 1948. 571

THE COMMISSION agreed :—

to render an Opinion, supplementary to Opinion 89, making it clear :—

(a) that the decision taken in Opinion 89 to use the plenary powers, in so far as that might be necessary, to suppress for nomenclatorial purposes the names which appeared in the edition of Mark Catesby’s pre-1758 work The Natural History of Carolina, edited by George Edwards and published in 1771, did not apply to the names employed in accordance with the Linnean system in the concordance of the Linnean nomenclature of the species concerned with the nomenclature used therefor by Catesby in the original edition of the foregoing work, given by Edwards in Volume 2 of the edition issued in 1771 under the title ““ A Catalogue of the Animals and Plants represented in Catesby’s Natural History of Carolina: With the Linnean Names ”’ ;

(b) that, in view of (a) above, the names employed by Edwards in accordance with the Linnean system in the concordance referred to above, but not the names used by Catesby in the original pre-1758 edition of The Natural History of Carolina given in a second column in the same concordance, were available under the Regles as from 1771, the year in which the volume containing Edwards’ concordance was

published.

52. THE COMMISSION examined :—

(a) Note 7 of the Editorial Notes by the Secretary to the Commission attached to the reissue in 1947 of Opinion 13 relating to the trivial name of the Sand Crab (Class Crustacea, Order Decapoda), on the subject of the status to be accorded to names as published in 1778 in the Museum Gronovianum of Meuschen (F.C.) (Hemming, 1947, in Opinions and Declarations rendered by the International Commission on Zoological Nomenclature 1: 219-227, 2 pls.) ;

(b) the concluding portion of Note 8 attached to the foregoing reissue of Opinion 13, containing a recommendation submitted by the Secretary to the Commission that the Commission should give

-# ruling that Meuschen’s Museum Gronovianum

International Commission on Zoological Nomenclature.

was not available for nomenclatorial purposes

(Hemming, 1947, in ibid. 1: 231). In the first of the foregoing notes, Secretary Hemming had recalled that one of the assumptions adopted by the late Miss Mary J. Rathbun (United States National Museum, Washington, D.C.) in her application for a ruling by the Commission on the question of the oldest available trivial name for the Sand Crab (dealt with in Opinion 13) had been that the trivial name quadratus Fabricius, 1793 (as published in the binominal combination Cancer quadratus) was not available for the Sand Crab, owing to its being a primary homonym of another trivial name quadratus, also originally published in the binomial combination Cancer quadratus. Two points had to be noted at this stage : (i) the name Cancer quadratus had been first given to the Sand Crab, not in 1793 (Ent. Syst.) (as stated in Miss Rathbun’s application to the Commission) but in 1787 (in the first volume of the Mantissa Insectorum) ; (ii) Miss Rathbun had not indicated the place of publication of the earlier binominal combination Cancer quadratus, which, in her view, rendered invalid that name as applied by Fabricius to the Sand Crab. In examining the issues involved in Opinion 13, the Secretary to the Commission had had therefore to ascertain whether, and if so where, the name Cancer quadratus had been published, either for the same or some other species, prior to the publication of the name Cancer quadratus Fabricius, 1787. Investigation had shown that the only place where such a name had been published was in Meuschen’s Museum Gronovianum, issued in 1778. An examination of a copy of that very rare book had shown that it was a sale catalogue of the collection formed by Gronovius. Further, that examination had shown that the Museum Gronovianum had been printed for use by special persons only (7.e. by prospective purchasers of items in Gronovius’ collection), that it had been printed for a special occasion only (?.e. for use at the sale of the foregoing collection) and that it had not been prepared by Meuschen as a document to be used in the nature of a permanent scientific record. Thus, the Museum Gronovianum of Meuschen failed to satisfy any of the tests laid down in Opinion 51 as constituting the criteria to be adopted in deciding whether a given work had been duly published as required by Article 25. It followed, therefore, that Meuschen’s Museum Gronovianum was not available under the Reégles for nomenclatorial purposes, and that no name which first appeared in it acquired any status under the Régles as the result of having so appeared. Secretary Hemming had recommended that, in order to obviate any further misunderstandings regarding the status of names m

ee

Sand Crab (Class Crustacea, Order Decapoda) : (1) the trivial name

quadratus Fabricius, 1787 (as published in the

14th Meeting, Paris, July, 1948. 573

Meuschen’s Museum Gronovianum, the Commission should give a ruling in the sense indicated above.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that, in view of the decision taken during the present Session that the expression nomenclature binaire.” as used up till then in the Régles had a meaning identical with the expression nomenclature binominale (by which it was now to be replaced), it was evident from this point of view also that the Museum Gronovianum of Meuschen failed to satisfy the requirements of the Regles and must therefore be rejected for nomenclatorial purposes.

IT WAS GENERALLY AGREED in discussion that the reproduction in facsimile of pages of the Museum Gron- ovianum contained in Secretary Hemming’s paper on this subject made it absolutely clear that in that work Meuschen had not applied the principles of binominal nomenclature (as required by Proviso (b) to Article 25) and therefore that the above work was not available under the Reégles. It was evident also that it had never been published in the sense of Article 25 and that for this reason also the Musewm Gronovianum. was not an available work, and that names, as appearing in it, possessed no status in zoological nomenclature.

THE COMMISSION agreed :—

(1) that the work by Meuschen (F. C.) issued in 1788 under the title Musewm Gronovianum, was not available for nomenclatorial purposes under the Reégles (a) because (by having been printed for special persons only and for a special occasion only, and not having been issued as a document to be used in the nature of a permanent scientific record) it could not be regarded as having been duly published within the meaning of Article 25, and (b) because in this work Meuschen had not applied the principles of binominal nomenclature, as prescribed in Proviso (b) to the aforesaid Article, and therefore no name acquired any rights under the Régles by reason of having appeared in the above work ;

(2) to render an Opinion recording the decision specified in (1) above.

53. THE COMMISSION examined Notes 5 to 8 attached to the reissue in 1947 of Opinion 13 (relating to the trivial name of the Sand Crab), in which the Secretary to the Commission drew attention to certain defects in the foregoing Opinion and recommended that it should be

574 International Commission on Zoological Nomenclature.

binominal combina~ replaced by a new Opinion based upon the additional

tion “‘ Cancer quadratus ”) the oldest available trivial name for ; (2) Opinion 13

to be cancelled as incorrect ; (3) a revised Opinion to be rendered when views of specialists have been obtained on action desirable

(Previous reference: Paris Session,

14th Meeting, Conclusion 52)

information now available (Hemming, 1947, in Opinions and Declarations rendered by the International Commission on Zoological Nomenclature 1: 216-232, 2 pls.). In these notes Secretary Hemming had drawn attention to the following considerations : (i) the statement that the trivial name arenarius as published by Edwards in 1771 in the binominal combination Cancer arenarius, was (for the reasons there given) not available for the Sand Crab, was incomplete and misleading, for even if the reasons given in Opinion 13 had not been applicable, the name Cancer arenarius Edwards, 1771, would nevertheless have been invalid, that name being a junior primary homonym of the name Cancer arenarius Toreen, 1765, a name which had been given to an entirely different species ; (11) the trivial name guadratus Fabricius (as published in the binominal combination Cancer quadratus), the next trivial name to be given to the Sand Crab, had been first published in 1787 (in volume 1 of the Mantissa Insectorum), not (as stated in Opinion 13) in 1793 (ie. in the Entomologia systematica) ; (iii) the statement in Opinion 13 that the trivial name quadratus Fabricius (as published in the binominal combination Cancer quadratus) was invalid on the ground that it was a junior primary homonym of another trivial name quadratus (also published in the binominal combination Cancer quadratus) was incorrect, for the only previous occasion on which this trivial name had appeared in print in the foregoing binominal combi- nation was in 1778 in Meuschen’s Museum Grovovianum, a work which did not satisfy the requirements of Article 25, appearance in which therefore conferred no status on any name not previously published. It appeared from the foregoing considerations that, contrary to the statement contained in Opinion 13, the trivial name quadratus Fabricius (as published in the binominal combination Cancer quadratus and attributed not to the Ent. syst. (1793) but to the Mant. Ins. (1787) ) was an available name and, as the oldest available name for the Sand Crab, should be used for that species. It remained true that, on the premises adopted .by the Commission in Opinion 13, the oldest available trivial name for the Sand Crab was albicans, Bose, [1801-1802] (as published in the binominal combin- ation Ocypoda albicans), but, in view of the fact that (as was now apparent) the premises on which that conclusion was based were faulty, the statement in this Opinion that albicans Bose was the oldest available trivial name for the Sand Crab was totally misleading as a guide to practical action. Secretary Hemming had accordingly recommended that Opinion 13 should be replaced as soon as possible by a

(Previous reference:

Paris Session, 14th Meeting, Conclusion 29)

(Previous reference:

Paris Session,

4th Meeting, Conclusion 3; 6th Meeting Conclusion 67)

VoL. 41

14th Meeting, Paris, July, 1948. 575

revised Opinion, stating that, for the reasons explained above, the oldest available trivial name for the Sand Crab was quadratus Fabricius, 1787 (as published in the bino- minal combination Cancer quadratus).

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that he had received two communications in regard to this application : the first, from Dr. I. Gordon (British Museum (Natural History), London), the second, from Dr. Fenner A. Chace, Jr. (United States National Museum, Washington, D.C.). Dr. Gordon had stated that she was in agreement both with the line of argument adopted in the application as set out in Notes 5 to 8 of the ‘‘ Editorial Notes attached to the re-issue of Opinion 13, and with the action there recommended to the Commission for approval. Dr. Fenner Chace, while reporting that some zoologists in America were already giving effect in their work to the recommendations now before the Commission, had suggested that, before those proposals were approved, the Commission should consider also the question of the availability of names published by Meuschen in the index to the Zoophylacium Gronovianum of Gronovius which had been published in 1781, for that index contained the trivial name quadratus (in connection with the generic name Cancer). If, therefore, the index of the Zoophylacium was held to be an available work for nomenclatorial purposes, the name Cancer quadratus Fabricius, 1787, for the Sand Crab would be a homonym of Cancer quadratus Meuschen, 1781, and in consequence the trivial name quadratus would not be available for the Sand Crab, unless it were found that it was to that species also that Meuschen had applied that name in 1781. In that case the name quadratus would still be the oldest available name for the Sand Crab, but would have to be attributed not to Fabricius, 1787, but to Meuschen, 1781. As he (the Acting President) had explained earlier during the present meeting, the question of the availability of the names published in the index to the Zoophylacium had been studied by himself before the war in connection with his review of the older literature relating to the Order Lepidoptera (Class Insecta). He had then formed the conclusion that the author of that index could not be regarded as a binominal author, though he was what was then commonly called a ‘“‘ binary author”’; in conse- quence this was not a matter on which a decision could be taken until the present Congress had decided what meaning was properly to be attached to the expression “‘ nomen- clature binaire as used in Article 25 of the Régles. That matter having now been settled, he had accordingly (earlier during the present meeting) brought before the Commission the question of the availability of apparent new names in

576 International Commission on Zoological Nomenclature.

(Previous reference:

Paris Session, 12th Meeting, Conclusion 11)

(Previous reference:

Paris Session, 13th Meeting, Conclusion 4)

the index to the Zoophylacium, and the Commission, after examining the evidence, had decided that the above index was not available for nomenclatorial purposes and there- fore that new names in it had no status under the Régles as from the date of being so published.

Continuing the Acting President said that, although it was clearly necessary to correct the errors contained in Opinion 13, he now felt that the question of the decision to be taken in regard to the trivial name of the Sand Crab in place of that recorded in that Opinion should be governed, as in other cases of errors detected in earlier Opinions, by the principle of adopting whatever course would best promote stability and uniformity in the nomen- clature of the group concerned. Where -(as in the case of the name Schistosoma Weinland, 1858, erroneously placed on the Official List in Opinion 77), the name in question had passed into general use, the Commission had used their plenary powers to validate the erroneous decision made in the earlier Opinion, believing that it would be wrong to disturb existing practice for technical nomenclatorial reasons, particularly where (as in the case referred to) that practice owed its origin to an error made by the Commission itself. On the other hand in another case (regarding the type species of the genus Mabuya Fitzinger, 1826, about which a mistake had been made in Opinion 92), specialists in the group concerned had realised that the decision given by the Commission was erroneous and had accordingly ignored that decision. In this case the Commission had considered it sufficient to correct the previous error. In the present instance it was not so clear what was the best course to take. In the first place the Commission had not given in Opinion 13 an abso- lute ruling on the question of what was the oldest available trivial name for the Sand Crab ; all that they had done was to state that on the basis of the premises submitted (which they had not themselves verified) the oldest available trivial name for that species was albicans Bosc [1801-1802] (as published in the binominal combination Ocypoda albicans). This form of decision had been adopted in this and other early Opinions not because the Commission wished to impugn the accuracy of the premises submitted to them but because at that time (which was several years prior to the establishment of the first of the Official Lists’) they did not regard it as part of their functions to give an absolute ruling in such a case. Nevertheless, this form of decision inevitably detracted from the authority of the ruling given and might therefore influence workers in deciding what name to apply to the species in question (in this case, the Sand Crab). So far however as he had

VOL, 4 1?

14th Meeting, Paris, July, 1948. 577

been able to ascertain, this species, as the result, presumably, of Opinion 13, was now generally known by the trivial name albicans Bosc. If this was in fact the general practice, the consistent course for the Commission to adopt would be to use their plenary powers to validate the name albicans Bosc by suppressing the earlier available trivial name quadratus Fabricius 1787 (as published in the binominal combination Cancer quadratus). The species in question was, he understood, confined to the Atlantic shores of the American Continent from Rhode Island to Santa Catharina in Brazil. It was therefore desirable that the Commission should be in possession of the views of American specialists before they decided what action to take in this matter. In the circum- stances, he (the Acting President) suggested that the Commission should now agree that their plenary powers should be used to validate the trivial name albicans Bose as the trivial name of the Sand Crab, if after the close of the present Session specialists indicated that they considered that confusion would arise if, consequent upon the dis- covery of the error in the premises on which Opinion 13 had been based, it were necessary to replace the trivial name albicans Bosc by the trivial name quadratus Fabricius as the trivial name of the Sand Crab. This would not involve any delay in the publication of the Opinion recording the decisions taken on the present application, for some time would necessarily elapse before it would be possible to publish all the Opinions recording the decisions taken during the present Session, and the Opinion relating to the present

_ matter could readily be left as one of the last to be so

published. It would however be reasonable to fix some time limit, for the reception of comments. He suggested a period of six months from the date of the publication of the Minutes recording the present decision. At the same time he would take steps to bring the matter to the attention of specialists in the group concerned, particularly workers on the American Continent.

IN THE SUBSEQUENT DISCUSSION, it was generally agreed that it was essential that the errors in Opinion 13 should be corrected. It was felt however that this question was quite independent of the question of whether or not the plenary powers should be used to validate the name albicans Bose [1801-1802], as the trivial name of the Sand Crab. On this, the general view was that, as it was the Commission itself which was mainly responsible for the acceptance of the foregoing name as the trivial name of this species, through their action in adopting Opinion 13 thirty-eight years earlier, they should certainly agree now that their plenary powers should be used if on enquiry it were to be found that specialists considered that

578 International Commission on Zoological Nomenclature.

(Previous reference: Paris Session,

14th Meeting, Conclusion 51)

(Previous references: Paris Session,

14th Meeting, Conclusions 29 and 52)

confusion would ensue if it were necessary to adopt the name guadratus Fabricius as the trivial name of the Sand

THE COMMISSION agreed :—

(1) to cancel Opinion 13, relating to the trivial name

~

(3)

(4

~—

of the Sand Crab (Class Crustacea, Order Decapoda), the decision set forth in that Opinion being incomplete, in part incorrect, and the whole entirely misleading ;

that, even if (contrary to the decision noted in the margin) the names published in 1771 by Edwards (G.) in his edition of Mark Catesby’s Natural History of Carolina, had been available under the Regles, the trivial name arenarius as so published by Edwards in 1771 in the binominal combination Cancer arenarius, though the first such name given to the Sand Crab subsequent to the starting point of zoological nomenclature (1758), would have been invalid, since that name would in any case have been a homonym of the earlier trivial name arenarius Toreen, 1765 (as published in the binominal combination Cancer arenarius), a name bestowed by Toreen upon an entirely different species found at a place named Queda in the Straits of Malacca, an area far removed from that in which the Sand Crab occurred; and that the trivial name arenarius as published by Edwards in 1771 should now be placed on the Official Index ;

that the first trivial name bestowed upon the Sand Crab after the name arenarius had been cited in connection therewith by Edwards in 1771 was the trivial name quadratus Fabricius, 1787 (as published in Vol. 1 of the Mantissa Insectorum in the binominal combination Cancer quadratus) ;

that the trivial name quadratus Fabricius, 1787, was an available name, not being invalidated by the prior use of the same trivial name in com- bination (or association) with the generic name Cancer (a) by Meuschen in 1781 in his index to the Zoophylacitum Gronovianum of Gronovius, and (b) by Meuschen in 1778 in his own work, the Museum Gronovianum, both of which the Com- mission had ruled to have failed to comply with the requirements of the Régles, names published in these works, in consequence, possessing no status in zoological nomenclature ;

14th Meeting, Paris, July, 1948. 579

(5) before deciding what action should be taken in

(6

~—

regard to the trivial name of the Sand Crab, consequent upon the discovery of the error in regard thereto contained in the Commission’s Opinion 13, to ascertain from interested specialists whether, in their opinion, confusion and in- stability would ensue, if it were now necessary to rectify the erroneous decision published as far back as 1910 in the Opinion referred to above, and if, in consequence, it were now necessary to use the trivial name quadratus Fabricius for the foregoing species ; and for this purpose to request the Secretary to the Commission to seek the views on this question held by interested specialists by the publication of a notice in the Bulletin of Zoological Nomenclature or otherwise ; that, on the expiry of a period of six months from the date of the publication of the present decision in the Bulletin of Zoological Nomenclature, the. following action should be taken in the light of the comments received from specialists in response to the consultation referred to in (5) above :— (a) of specialists were of the opinion that confusion and instability would result from the adoption of the trivial name quadratus Fabricius for the Sand Crab: to use the Commission’s plenary powers (i) to suppress the trivial name guadratus Fabricius, 1787 (as published in the binominal combination Cancer quadratus) and to validate the trivial name albicans Bose [1801-1802] (as published in the binominal combination Ocypoda albi- cans), at the same time placing the first of these trivial names on the Official Index of Invalid and Rejected Specific Trivial Names in Zoology and the second on the Official List of Specific Trivial Names in Zoology ”’ ; if specialists were of the opinion that con- fusion and instability would not result from the adoption of the trivial name quadratus Fabricius for the Sand Crab: to place the trivial name quadratus Fabricius, 1787 (as published in the binominal combination Cancer quadratus) on the Official List of Specific Trivial Names in Zoology ;

a

(7) on a decision being taken either in the sense

indicated in (6)(a) above or in that indicated in (6)(b) above, to render an Opinion recording the

580 International Commission on Zoological Nomenclature.

* Opinions 16, certain generic names discussed in, placed on the

Official List of Generic Names in Zoology

(Previous reference: Paris Session, 13th Meeting, Conclusion 2)

decisions specified in (1) to (4) above, and setting out, as the case may be, either the decision specified in (6)(a) above or that specified in (6)(b) above.

54. THE COMMISSION examined Notes 3 to 5 of the “‘ Editorial Notes’ attached to the reissue in 1947 of Opinion 16 (interpreting the application of Rule (d) in Article 30 of the Reégles in cases where at the time of the original publica- tion of the generic name in question there had been cited as a synonym of one of the included species a pre-1758 uni- verbal specific name consisting of the same word as that selected as the name for the genus in which the species in question was included). In these notes, the Secretary to the Commission had referred to the 63 genera, the type species of which had been discussed in Opinion 16, pointing out that it was very unsatisfactory for the status of individual names to be discussed in detail in Opinions - rendered by the Commission in which, however, no decision was given by the Commission on the questions so discussed. Decisions had been taken in Opinion 16 on two only of the 63 names involved, but in later Opinions the type species of 32 of the other genera had been determined, the generic names in question having then been placed on the “‘ Official List of Generic Names in Zoology.”’ In addition, two of the generic names concerned (Holothuria Linnaeus, 1758, and Simia Linnaeus, 1758) had since been suppressed for nomenclatorial purposes under the Commission’s plenary powers. Thus, of the generic names discussed in Opinion 16, there were still 27 names on which no decision had ever been taken by the Commission. The Secretary to the Commission had suggested that the Commission should dispose of this matter by at once taking these names into consideration, with a view to placing on the “‘ Official List of Generic Names in Zoology ”’ all of the names in question in respect of which it was found, on enquiry, that the species accepted by specialists as the type species of the genera concerned were the species which, under the provisions of Opinion 16, were, under the Régles, their type species by absolute tautonymy.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) recalled that, since the time when, as Secretary to the Commission, he had submitted the foregoing recom- mendations, the Commission itself (at the meeting noted in the margin) had placed on record its disapproval of the practice by which formerly the Commission had (as in the present case) discussed the status of individual names in their Opinions without coming to any decision in regard thereto, and had decided that the older Opinions should be examined

14th Meeting, Paris, July, 1948. 581

from this point of view for the purpose of remedying defects of this kind as rapidly as possible. Most of the names involved in the present case were the names of very common and widely known genera and it was desirable that the position as regards these should be clarified with the least possible further delay. He accordingly recommended that the Commission should now decide to place on the Official List of Generic Names in Zoology ”’ all those of the 27 generic names in question, in respect of which inquiry showed that the names in question were accepted by specialists as taxonomically valid genera and the species accepted as the type species of the genera concerned were those which, as indicated in the second paragraph of Opinion 16, would be the type species, if, under the interpretation of Rule (d) in Article 30 given in that Opinion, the type species of those genera fell to be determined by absolute tautonymy. If in any case it were to be found that the name in question was either unavailable nomenclatorially or that current practice was not in harmony with the Reégles, as interpreted in Opinion 16, the Commission should, he suggested, con- sider whether confusion would be likely to ensue if the Regles were to be strictly applied in that case. If the Commission were now to deal in the manner suggested with the cases raised, but left unsettled, in Opinion 16, it would be helpful, if at the same time they were to place on the Official List of Generic Names in Zoology ”’ the names of the two genera, the type species of which had been settled in that Opinion.

IN DISCUSSION general agreement was expressed with the proposals submitted by the Acting President.

THE COMMISSION agreed :—

(1) to place on the Official List of Generic Names in Zoology ’’ the names of the undermentioned genera, the type species of which had been determined by the Commission in Opinion 16 :—

Alcea Linnaeus, 1758 (type species, by absolute tautonymy: Alca torda Linnaeus, 1758) (Class Aves)

Equus Linnaeus, 1758 (type species, by absolute tautonymy: Equus caballus Linnaeus, 1758) (Class Mammalia) ;

(2) to invite the Secretary to the Commission to make inquiries, by the publication of a notice in the Bulletin of Zoological Nomenclature or otherwise, in regard to each of the undermentioned generic

58%

=

International Commission on Zoological Nomenclature.

names discussed in Opinion 16, for the purpose of ascertaining the views currently held by specialists on the question whether, as regards each of the genera so named, the generic name was available nomenclatorially, the genus was a taxonomically valid genus and the species accepted as its type species was the species which, as shown in the second paragraph of Opinion 16 (1947, Opinions and Declarations rendered by the International Commission on Zoological Nomenclature, 1: 259- 261), would be the type species if Rule (d) in Article 30, as interpreted by Opinion 16, were in fact applicable to the name of the genus concerned :—

(a) Names of genera of the Class Mammalia (Commission File Z.N.(S.)275) :— Camelus Linnaeus, 1758 Rhinoceros Linnaeus, 1758

(b) Names of genera of the Class Aves (Com- mission File Z.N.(S.)274) :—

Caprimulgus Linnaeus, 1758 Certhia Linnaeus, 1758 Charadrius Linnaeus, 1758 Corvus Linnaeus, 1758 Cuculus Linnaeus, 1758 Fringilla Linnaeus, 1758 Fulica Linnaeus, 1758 Lozia Linnaeus, 1758 Meleagris Linnaeus, 1758 Merops Linnaeus, 1758 Motacilla Linnaeus, 1758 Otis Linnaeus, 1758 Pavo Linnaeus, 1758 Pelecanus Linnaeus, 1758 Phasianus Linnaeus, 1758 Scopolax Linnaeus, 1758 Sterna Linnaeus, 1758 Strix Linnaeus, 1758 Tetrao Linnaeus, 1758 Tringa Linnaeus, 1758 Upupa Linnaeus, 1758 Vultur Linnaeus, 1758

(c) Names of genera of the Class Pisces (Com- mission File Z.N.(S.)276) :— Gymnotus Linnaeus, 1758 Stromateus Linnaeus, 1758

14th Meeting, Paris, July, 1948. 583

(d) The name of a genus in the Phylum Protozoa

(Commission File Z.N.(S.)277) :— Chaos Linnaeus, 1767

(3) on the completion of the inquiry referred to in (2) above or of any part thereof :—

(a) to place forthwith on the Official List of

~—

Generic Names in Zoology” each of the generic names specified in (2) above which the inquiry so completed had shown was currently regarded by specialists as the name of a taxonomically valid genus and of which the species accepted as the type species was the species specified in the second paragraph of Opinion 16, and on the Official List of Specific Trivial Names in Zoology ’’ the trivial names of the type species of the genera concerned ;

that a statement regarding the position as regards each of the generic names specified in (2) above, which the inquiry had disclosed was either not regarded by specialists as the name of a taxonomically valid genus or for which the species commonly accepted as the type species was not the species so specified in the second paragraph of Opinion 16 should be submitted to the Commission by the Secretary, together with proposals for determining, at the earliest possible date, the status of the generic name in question (including the determination of its type species) and for placing on the appropriate Official Lists ”’ or ‘“‘ Official Indexes the generic names concerned and the trivial names of the respective type species of those genera ;

(4) to render an Opinion recording the decision specified in (1) ;

(5) on the close of the inquiries specified in (2) above, to render an Opinion or Opinions giving effect to the decision specified in (3) (a) above, in relation to any generic name or generic names specified in (a), (b), (c), or (d) in (2) above, to which, as the result of those inquiries, that decision thereupon

applied,

584

Taenia Linnaeus, 1758 (Class Cestoidea) ; use of the plenary powers (1) to designate Taenia solium Linnaeus, 1758, as the type species of, and (2) to validate an erroneous entry relating to, in the * Official List of Generic Names in Zoology (correction of an

- error in ** Opinion 84)

International Commission on Zoological Nomenclature.

55. THE COMMISSION examined Note 7 of the Editorial Notes”? attached to the reissue in 1947 of Opinion 16, submitted by the Secretary to the Commission on the subject of an inconsistency in the treatment accorded to the generic name Taenia Linnaeus, 1758 (Class Cestoidea) in Opinions 16 and 84, and the consequent error in the second of those Opinions in regard to the type species of that genus (Hemming, 1947, in Opinions and Declarations rendered by the International Commission on Zoological Nomenclature 1: 297-302). The Secretary to the Commis- sion had pointed out that’ in Opinion 16 the Commission had correctly noted that in the original description of the genus Taenia, Linnaeus had cited the pre-1758 univerbal specific name “‘ Taenia ’’ as a synonym of one of the species (Taena vulgaris) which he then included in that genus. Accordingly, under the interpretation of Rule (d) in Article 30 given in the foregoing Opinion, the species Taenia vulgaris Linnaeus, 1758, was the type species of the genus Taenia Linnaeus, 1758, by absolute tautonymy, unless it could be shown that the word “‘ Taenia”’ as used by the pre-1758 author cited by Linnaeus had not been used as a univerbal specific name in the sense of “The Taenia”’. Some fifteen years after the publication of Opinion 16, the Commission had before them an application for a number of names to be placed on the Official List of Generic Names in Zoology’, one of which was the name Taenia Linnaeus, 1758. The applicant had asked that this name should be added to the Official List” on the basis that its type species under the Reégles was Taenia solium Linnaeus, 1758. In apparent total forgetfulness of what they had said about this generic name in Opinion 16, the Commission had thereupon in Opinion 84 placed the generic name J'aenia Linnaeus on the Official List’? with Taenia solium Linnaeus as its type species, but without any indication as to how this species came to occupy that position. Everyone was agreed in treating Taenia solium Linnaeus as the type species of the genus Taenia Linnaeus ; everyone was agreed also that great and totally unjustifiable confusion would arise, if, for any technical nomenclatorial reason, that species were to be displaced from its position as the type species of this important genus. Nevertheless, there was no doubt that under the Régles that species could no longer be accepted as the type species of the genus Taenia Linnaeus, unless either (a) it could be shown that the circumstances in which the word Taenia”’ had been cited by Linnaeus as a synonym of Taenia vulgaris Linnaeus did not satisfy the requirements laid down in Opinion 16 and therefore that that species was not the type species of the genus Taenia Linnaeus by absolute

14th Meeting, Paris, July, 1948. 585

tautonymy, or (b) specialists subjectively identified the nominal species Taenia vulgaris Linnaeus with Taenia solium Linnaeus. Noone had attempted to advance the first of these arguments, and there appeared no grounds on which a claim, so based, could be sustained. It must be accepted, therefore, that under the Régles the type species of the genus Taenia Linnaeus was Taenia vulgaris Linnaeus. Nor could any help be looked for from the second of the two possible lines of argument suggested above, for, far from identifying the nominal species Taenia vulgaris Linnaeus with the nominal species Taenia soliwm Linnaeus, specialists were agreed in identifying Taenia vulgaris with Taena lata Linnaeus, 1758, the third of the four species placed by Linnaeus in the genus Taenia. Further, the trivial name vulgaris Linnaeus was usually sunk as a synonym of the trivial name lata Linnaeus, although the former had page precedence. . Finally, it should be noted that the species lata Linnaeus (=vulgaris Linnaeus) was not regarded by specialists as even being congeneric with Taenia solium Linnaeus, the former species being referred either to the genus Dibothriocephalus Luhe, 1899, or to the genus Diphyllobothriwum Cobbold, 1858. Thus, the strict application of the Régles in this case would create the maxi- mum of confusion by not only removing the species bearing the trivial name soliwm Linnaeus from the genus Taenia Linnaeus, of which it was universally accepted as the type _species (following its selection as such by Braun in 1900), but also by the transfer of the universally known generic name Taenia Linnaeus to a genus for which that name was never used. The only way by which these disastrous results could be avoided would be by the Commission using their plenary powers to designate Taenia soliwm Linnaeus as the type species of the genus Yaenia Linnaeus. This therefore was the course which the Secretary to the Com- mission had recommended the Commission to adopt.

IN DISCUSSION it was agreed that it was unthinkable that the Commission should countenance the devastating confusion which would result from a strict application of the Regles in the present case. The plenary powers should certainly be used in the manner proposed.

THE COMMISSION agreed :— (1) to use their plenary powers :—

(a) to set aside the indication of Taenia vul-

_garis Linnaeus, 1758, as the type species of

the genus Taenia Linnaeus, 1758, by absolute | tautonymy, and also all selections of that or

other species to be the type species of this

genus, made prior to the present decision ;

586

Schneider (J. G.), 1784, Samml. Abhandl.Aufklar. Zoologie Handlungsge- schichte : (1) suppression under the plenary powers of the generic name Octopodia Schneider and of five trivial names published in that genus ; (2) eight reputed generic names declared to be cheironyms ; (3) Octopus Cuvier, [1797], and Eledone Leach, 1817, placed on the

Official List of Generic Names in Zoology

International Commission on Zoological Nomenclature

(b) to designate Taenia solium Linnaeus, 1758, to be the type species of the genus Taenia Linnaeus, 1758 ;

(2) to insert in the entry in the Official List of Generic Names in Zoology” relating to the generic name Taenia Linnaeus, 1758, a note stating that the species Taenia solium Linnaeus, 1758, was the type species of the foregoing genus by designation by the Commission under their plenary powers ;

to place the trivial name soliwm Linnaeus, 1758 (as published in the binominal combination Taenia solium) on the Official List of Specific Trivial Names in Zoology ”’;

to render an Opinion, supplementary to Opinion 84, drawing attention to the error contained therein as respects the generic name Taenia Linnaeus, 1758, and recording the decisions specified in (1) to (3) above.

56. THE COMMISSION examined the Appendix annexed to Opinion 166, in which the Secretary to the Commission had pointed out that the alleged generic name Pompilus Schneider, 1784° (Class Cephalopoda, Order Nautiloidea), which was referred to in the discussion on the generic name Pompilus Fabricius, 1798 (Class Insecta, Order Hymenoptera) dealt with in Opinion 166, was a cheironym, that seven other reputed generic names alleged to have been published by Schneider in the same paper were also cheironyms but that the paper by that author in which those names were alleged to have been published did contain a new generic name (Octopodia), which, though completely overlooked by later authors, was an available name and had priority over the extremely well-known name Octopus Cuvier, [1797] (Hemming, 1945, in Opinions and Declarations rendered by the International Commission on Zoological Nomenclature 2: 388-394). In the foregoing paper, the Secretary to the Commission recalled that at

_their Session held at Lisbon in 1935, at which (in the

absence of the Secretary through ill-health) he had officiated as Acting Secretary, the Commission had agreed that after the close of that Session he (Commissioner Hemming) should examine the bibliographical references cited in the documents considered at Lisbon with a view to correcting any errors that might be found therein, before the Report then sub- mitted by the Commission to the Congress was published. It was in the discharge of the duty so entrusted to him that

(Previous reference: Lisbon Session,

3rd Meeting, Conclusion 2)

14th Meeting, Paris, July, 1948. 587

he had examined the work by Schneider published in 1784 under the title Sammlung vermischter Abhandlungen zur Aufklérung der Zoologie und der Handlungsgeschichte. On doing so, he had found at once that, what Schneider had done was to erect a new genus Octopodia Schneider and to place in it the five species which Linnaeus had placed in the genus Sepia, one of Linnaeus’ species. of Argonauta, one of his species of Nautilus and one species (Octopodia moschites) not described in the 10th edition of the Systema Naturae. For five of these eight species Schneider published new trivial names. The generic hame Octopodia occurred only once, on page 108 at the head of the genus, and the trivial names of the eight species placed by Schneider in this genus were each printed with a capital initial letter. It was these facts which had no doubt been responsible for the mistake which later authors had fallen into of supposing that these eight names were generic names. It was desirable that these eight reputed but non-existent generic names should now be formally branded as cheironyms by the Commission. Further, consideration should be given to the question of using the plenary powers for the purpose of suppressing the totally neglected generic name Octopodia Schneider, 1784, for otherwise the name Octopus Cuvier, [1797], would disappear into synonymy.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that subsequent to the publication of the paper reproduced as an Appendix to Opinion 166, Mr. R. Winckworth (London) had submitted a more detailed application in which, after concurring in the general con- clusions reached by himself (the Acting President), he had proposed that, in addition to making it clear that the eight generic names attributed to Schneider were non- existent, being based upon a misreading of Schneider’s book, the Commission should (a) suppress the one generic name which Schneider had in fact published in the portion of his Sammlung under consideration (namely Octopodia Schneider, 1784) and also the five new trivial names which he had published, which had been totally neglected through having been misread as being generic names, the intro- duction of which could only cause confusion, and (b) place on the Official List of Generic Names in Zoology the well known generic names Octopus Cuvier, [1797], and Eledone Leach, 1817. Both had been challenged by some workers on the ground in the one case that it was a synonym of Polypus Schneider, 1784, and, in the other case, that it was a synonym of Moschites Schneider, 1784, two of the re- puted but non-existant generic names referred to above.

588

International Commission on Zoological Nomenclature.

The suppression of Octopodia Schneider, 1784, and the elimi- nation of these ghost names would make Octopus Cuvier an available name and Polypus Leach, 1817 (which through the disappearance of the reputed name Polypus Schneider, 1784, was seen not to be invalid as a homonym), would become an objective synonym of Octopus Cuvier [1797]. Eledone Leach 1817 was also an available name, the older name Ozoena Rafinesque, 1814, being invalid as a homonym.

In discussion, there was general agreement that advantage should be taken of the Report submitted by the Secretary to prevent a recurrence of the type of confusion in regard to the trivial names published by Schneider which had embarrassed the discussion at Lisbon of the case of the name Pompilus Fabricius, 1798. For this purpose those names should be suppressed, as also should be the totally forgotten generic name Octopodza Schneider, 1784.

THE COMMISSION agreed :— (1) to use their plenary powers to suppress :—

(a) the generic name Octopodia Schneider, 1784 (Class Cephalopoda) ;

(b) the undermentioned specific trivial names:—

moschites Schneider, 1784 (as published in the binominal combination Octopodia moschites)

nautilus Schneider, 1784 (as published in the binominal combination Octopodia nautilus)

polypus Schneider, 1784 (as published in the binominal combination Octopodia

polypus)

sepia Schneider, 1784 (as published in the binominal combination Octopodia sepia)

teuthis Schneider, 1784 (as published in the binominal combination Octopodia teuthis) ;

(2) to declare that the undermentioned reputed generic names were never published by Schneider, the names so attributed to that author being cheiro- nyms, owing their alleged existence to a misreading by later authors of the relevant passage in Schneider’s Sammlung vermischter Abhandlungen zur Aufklirung der Zoologie und der Handlungs- geschichte where he used as trivial names of species of his own genus Octopodia the words later wrongly thought to have been published by him as generic names, the error arising (it must be supposed)

14th Meeting, Paris, July, 1948. 589

from the fact that, following the practice of many 18th century authors, he printed the words in question with capital initial letters and did not actually combine the trivial names in question with the name of the genus (Octopodia) to which he referred those species, that generic name being cited only at the head of the account given for the genus :—

Loligo Schneider, 1784

Moschites Schneider, 1784

Nautilus Schneider, 1784

Polypus Schneider, 1784

Pompilus Schneider, 1784 (as already recorded in Opinion 166)

Sepia Schneider, 1784

Sepiola Schneider, 1784

Teuthis Schneider, 1784 ;

(3) to place the undermentioned generic names on the Official List of Generic Names in Zoology :—

Eledone Leach, 1817 (type species, by mono- typy: Octopus moschatus Lamarck, 1798) (Class Cephalopoda, Order Decapoda)

Octopus Cuvier [1797] (type species, by absolute tautonymy under the principle laid down in Opinion 16: Octopus vulgaris (correction of vulgare) Cuvier [1797]) (Class Cephalopoda, Order Decapoda) ;

(4) to place the undermentioned generic names and alleged generic names on the Official Index of Rejected and Invalid Generic Names in Zoology :—

Loligo Schneider, 1784 (a cheironym possessing no status under the Régles)

Moschites Schneider, 1784 (a cheironym possess-

ing no status under the Régles)

Nautilus Schneider, 1784 (a cheironym possess- ing no status under the Régles)

Octopodia Schneider, 1784 (suppressed under

the plenary powers under (1)(a) above)

Ozoena Rafinesque, 1814 (invalid, because a

junior homonym of Ozaena Olivier, 1812)

Polypus Leach, 1817 (invalid, because an

objective synonym of Octopus Cuvier [1797])

Polypus Schneider, 1784 (a cheironym possess-

ing no status under the Reégles)

590 International Commission on Zoological Nomenclature.

Opinions already published (individual questions of zoological nomenclature arising in) : Report to Section on Nomenclature on conclusions reached by the Commission in regard to

Pompilus Schneider, 1784 (a cheironym possess- ing no status under the Reégles)

Sepia Schneider, 1784 (a cheironym possessing no status under the Régles)

Sepiola Schneider, 1784 (a cheironym possessing no status under the Reégles)

Teuthis Schneider, 1784 (a cheironym possessing no status under the Régles)

(5) to place the undermentioned trivial names on the Official List of Specific Trivial Names in Zoology :—

moschatus Lamarck, 1798 (as published in the binominal combination Octopus moschatus) vulgaris Cuvier [1797] (as published in the binominal combination Octopus vulgaris) ;

(6) to place on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology ”’ the undermentioned trivial names suppressed under the plenary powers under (1)(b) above :—

moschites Schneider, 1784 (as published in the binominal combination Octopodia moschites) nautilus Schneider, 1784 (as published in the binominal combination Octopodia nautilus) polypus Schneider, 1784 (as published in the binominal combination Octopodia polypus) sepia Schneider, 1784 (as published in the binominal combination Octopodia sepia)

teuthis Schneider, 1784 (as published in the binominal combination Octopodia teuthis) ;

(7) to render an Opinion recording the decisions specified in (1) to (6) above.

57. Having now completed their examination of the proposals relating to individual questions of nomenclature submitted either (a) in the “‘ Editorial Notes attached to reissues of certain of the older Opinions originally published in 1910 or in footnotes to those reissues, or (b) (in one case) in an Appendix to an Opinion rendered in pursuance of a decision taken at their Session held at Lisbon in 1935, THE COMMISSION agreed :—

(1) to report to the Section on Nomenclature the con- clusions reached in regard to the undermentioned matters arising out of an examination of Opinions already rendered by the Commission :—

Opinions 1-133: arrangements to be made for publication of

** facsimile edition of

VOL. 4K

14th Meeting, Paris, July, 1948. 591

(a) the status of names in Nozeman and Vosmaer, 1758, Geslachten der Vogelen (Conclusion 50) ;

(b) the status of names in the edition of the pre- 1758 work by Mark Catesby entitled Natural History of Carolina edited by George Edwards and published in 1771 (Conclusion 51) ;

(c) the status of names in Meuschen (F. C.), 1778, Museum Gronovianum (Conclusion 52) ;

(d) the trivial name of the Sand Crab (Conclusion 53) ; (e) the type species of certain genera discussed in ~ Opinion 16 (Conclusion 54) ; (f) the type species of the genus T'aenia Linnaeus, 1758 (Conclusion 55) ;

(g) the status to be accorded, under the plenary poWers or otherwise, to certain names and alleged names published by Schneider in 1784 (Conclusion 56) ;

(2) to invite the Acting President, in his capacity as Secretary to the Commission, to report forthwith to the Section on Nomenclature the conclusions reached by the Commission in regard to the cases specified in (1) above.

(Lhe Acting President thereupon submitted a report on the above cases to the Section on Nomenclature.)

58. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) invited the Commission at this stage to consider the question of the re-publication of the older Opinions, many of which were now out of print and practically unobtainable. The position generally as regards the Opinions of the Commission had changed materially as the result of decisions taken by the Commission, in agreement with the Section on Nomenclature, in the course of the present Session. Formerly, these had been the sole official record of decisions taken by the Commission on questions sub- mitted to them. This would still be the case during inter- Congress periods as regards Opinions published since the last preceding Congress, but would cease to be so after the Congress next following the adoption of any given Opinion, for under the arrangements which had now been agreed upon, all decisions recorded in such Opinions would at that Congress be inserted in the appropriate schedule to the Regles. Nevertheless the Opinions rendered by the Com- mission would always be of great value, quite apart from

International Commission on Zoological Nomenclature.

their historical interest, for many of them contained important information on a wide range of subjects, which was not to be found anywhere else. No zoological library with any pretension to completeness could possibly afford to be without a complete set. There were adequate supplies available of the Opinions rendered subsequent to the date when (in 1939) the Commission itself assumed responsi- bility for publication but this was not the case as respects many of the Opinions published before that date. It was for this reason that the first Opinions to be published directly by the Commission (i.e. Opinion 134 and later Opinions) had been issued as Parts of Volume 2 of the work Opinions and Declarations rendered by the International Commission on Zoological Nomenclature, Volume I at the same time being reserved for the re-publication of the older Opinions, which had originally been published on behalf of the Commission by the Smithsonian Institution. As the Commission knew, various circumstances had led to only a small start having been made with the publication of parts of Volume I, but it was proposed that, as and when circum- stances permitted, further instalments should be published. A new situation had however been created by the action taken during the present Congress, for the majority of the Opinions in question had now been repealed for all except historical purposes, consequent upon the decisions recorded therein being incorporated, in whole or in part, either in the Régles themselves or in the Schedules thereto. In addition,-a few of these Opinions had been cancelled as being incorrect, while the decisions in two Opinions were to be reconsidered by the Commission, the subjects dealt with therein being in the mean time regarded as sub judice. In these circumstances, it would clearly be neither necessary nor desirable to attach to future reissues of these Opinions “‘ Editorial Notes” of the kind which had been attached to the reissues so far published. * It would however be essential to publish a prefatory state- ment setting out the decisions in regard to these Opinions which had been taken by the present Congress, for other- wise the re-publication of these Opinions would be very mis- leading. As regards the form in which these Opinions should be re-published, the best course would, he (the Acting President) thought, be to publish a facsimile edition, thereby ensuring absolute identity between the original, and the new editions.

DR. E. A. CHAPIN (U.S.A.) (a member of the Section on Nomenclature in attendance) said that he had never himself experienced any difficulty in consulting a copy of the original edition of the older Opinions; he wondered

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14th Meeting, Paris, July, 1948. 593

therefore whether it was essential that these should be re-published.

ALTERNATE COMMISSIONER N. D. RILEY (UNITED KINGDOM) said that, whatever might be the position in America, very few institutions in Europe possessed sets of the older Opinions and it was virtually impossible at the present time to purchase copies on the second-hand market. He was therefore strongly in favour of the re-publication of the older Opinions in the manner proposed. He agreed that in existing circumstances, a facsimile edition would be the most satisfactory.

DR. E. A. CHAPIN (U.S.A.) explained that he had not been aware of the situation in European institutions, when he had made the suggestion that the re-publication of the older Opinions might not be neeessary. In the circum- stances, he naturally now unreservedly withdrew that suggestion.

IN FURTHER DISCUSSION, the view was generally expressed that it was desirable that the reissue of the older Opinions should be completed by the Commission as rapidly as might be fourid to be practicable. Many mis- understandings of decisions by the Commission had occurred in the past through workers being forced, through the impossibility of consulting these Opinions, to rely upon the ‘“ summaries ”’ published elsewhere.

THE COMMISSION :— (1) agreed that it was desirable :—

(a) that, having regard to the fact that in Kurope and other parts of the world there were many important zoological institutions which were not in possession of sets of Opinions 1-133, and that many of these Opinions were now out of print and virtually unobtainable, arrangements should be made for the re-publication, as soon as might be practicable, of these Opinions in Volume 1 of the work Opinions and Declarations rendered by the International Commission on. Zoological Nomenclature; '

S

that, in order to ensure complete identity between the edition of the foregoing s Opinions now to be published and the edition in which they had been originally published, the new edition should be a facsimile edition of the original edition,

594 International Commission on Zoological Nomenclature.

Human malaria parasites, generic and trivial names of: {1) use of the plenary powers to validate existing nomenclatorial practice ; (2) cancellation of erroneous decisions regarding, in

Opinion 104; (3) insertion of amended particulars in the

* Official List of Generic Names in Zoology and matters incidental thereto

with the addition thereto of a comprehensive subject index ;

(2) agreed that, in view of the altered status of the Opinions so far rendered by the Commission, consequent upon the decision taken during the present Session to incorporate the rulings given therein, either in the Régles themselves or in the schedules thereto, there would be no need for the publication of Editorial Notes” containmg commentaries on the Opinions now to be re- published such as had been attached to such of the reissues of Opinions as had so far been published (Opinions 1-16) but that there should be published a prefatory statement setting out the decisions in regard to the Opinions in question

* taken by the present Congress ;

(3) invited the Secretary to the Commission to draw the attention of the International Trust for Zoological Nomenclature to the conclusion record- ed in (1) above, with a request that, subject to their meeting other urgent calls on their financial resources, they should arrange for the completion as soon as practicable of Volume 1 of the work Opinions and Declarations rendered by the Inter- national Commission on Zoological Nomenclature in the manner specified in (1) and (2) above.

59. In accordance with the arrangement recorded in Conclusion 45 above, THE COMMISSION now turned to examine Commission File Z.N.(8.)143, relating to certain errors in regard to the nomenclature of the human malaria

parasites contained in the portion of Opinion 104, in which

the generic names Plasimodiwm and Laverania were placed on the Official List of Generic Names in Zoology.” This file contained :—

(a) the extensive correspondence between the Secretary to the Commission and leading malariologists in Great Britain and the United States, which had taken place both prior to, and subsequent to, the discovery by the Secretary to the Commission of the need for extensive corrections in the entries in the Official List of Generic Names in Zoology” relating to the names Plasmodiwm and Laverania, those entries, though in accord with current nomen- clatorial practice, being incorrect in almost every possible respect ;

(b) an application submitted to the Commission in 1944 jointly by Dr. Robert L. Usinger and Dr. C. W.

ad

14th Meeting, Paris, July, 1948. 595

Sabrosky (then of the U.S. Public Health Service, Malaria Control in War Areas, Atlanta, Georgia, U.S.A.) drawing attention to the serious errors con- tained in the entries in the Official List of Generic Names in Zoology ’’ made under the authority of Opinion 104, and requesting the Commission to use their plenary powers to validate existing nomen- clatorial practice, in view of the grave confusion which would result from the strict application of the Regles in these cases ;

(c) a paper prepared by the Secretary to the Commission :—

(i) examining in detail the early literature relating to the generic and trivial names published, or alleged to have been published, for the human malaria parasites ; ;

(ii) setting out, in the light of (i) above, the names correctly applicable to the species in question under a strict application of the Reégles thereto ;

(iii) drawing attention to the extensive changes in current nomenclatorial practice which such an application of the Régles would involve and the appalling confusion to which it would inevitably give rise ;

(iv) recommending the Commission to use their plenary powers to give valid force to existing nomenclatorial practice, for this purpose suppressing certain generic and trivial names, validating other such names, and, in one case (Plasmodium Marchiafava and Celli, 1885) designating as the type species of a genus a species not included therein by the original authors of the generic name con- cerned.

On being invited by the Acting President to open the discussion on the proposal which, jointly with Dr. C. W. Sabrosky, he had submitted to the Commission on this subject, ALTERNATE COMMISSIONER ROBERT L. USINGER (U.S.A.) said that, when he had taken part in preparing that application, he had examined the nomen- clatorial problems involved and had satisfied himself that the action under the plenary powers there recommended was necessary, if the gravest confusion in malariological literature was to be avoided. The detailed considerations involved were, however, no longer fresh in his memory. He would therefore greatly prefer that this problem should

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International Commission on Zoological Nomenclature.

be placed before the Commission by the Acting President, who, he knew, was thoroughly familiar with every aspect of this case.

THE ACTING PRESIDENT (MR. FRANCIS HEM- MING) said :

(1) In the paper which, in his capacity as Secretary to the Commission, he had prepared on this subject and which would be published in the Opinion recording the decisions taken by the Commission at the close of the present dis- cussion, he had given full particulars regarding the biblio- graphical and similar problems with which this case abounded. The Commission, he felt sure, would not wish him on the present occasion to go into these minor questions in detail, but would wish rather that he should concentrate upon drawing their attention to those major matters, a due appreciation of which was essential to a proper under- standing of the questions on which decisions were now required.

(2) It was important at the outset to realise what were the assumptions on which current practice in regard to the generic and specific nomenclature of the human malaria parasites was based. These assumptions, which, prior to the publication ‘in 1938 of the important paper by Christophers and Sinton, had been universally accepted as valid, by all malariologists, were as follows :—

(a) The generic name Oscillaria applied by Laveran in 1881 to the first of the human malaria parasites to be discovered had been universally rejected as inapplicable or invalid.

(b) It had been assumed that the species to which in 1881 Laveran gave the trivial name malariae (i.e. Oscillaria malariae Laveran, 1881) was the Quartan Malaria Parasite, to which therefore the trivial name malariae Laveran had been universally applied.

(c) The generic name Plasmodium Marchiafava & Celli, 1885, had been accepted as the oldest available generic name for any species of human malaria parasite. It had been accepted as a monotypical genus, having as its type species the Quartan Malaria Parasite. That species had accordingly been referred by all workers to the genus Plasmodium Marchiafava & Celli.

(d) Those malariologists who had regarded the Malignant Tertian Malaria Parasite as generically distinct from the Quartan Malaria Parasite had referred the first of these species to the genus Laverania Feletti & Grassi, 1890.

14th Meeting, Paris, July, 1948. 597

(e)

(3)

The trivial name malariae applied (in the binominal combination Laverania malariae) by Feletti and Grassi in 1890 to the Malignant Tertian Malaria Parasite had been rejected for that species on the ground that, having regard to the subsequent union on taxonomic grounds of the Malignant Tertian and Quartan Malaria Parasites in a single genus (Plasmodium), this name was an invalid homonym of the earlier trivial name malariae Laveran, 1881 (as published in the binominal combination Oscillaria malariae), which (as shown in (b) above) had been universally identified with the Quartan Malaria Parasite.

The trivial name vwivar Grassi & Feletti, 1890 (as published in the binominal combination Haema- moeba vivax) had been accepted as the oldest avail- able, and therefore as the valid, name of the Benign Tertian Malaria Parasite.

The trivial name praecor Grassi & Feletti, 1890 (as published in the binominal combination (Haema- moeba praecox) had been rejected as a name for the Malignant Tertian Malaria Parasite on the ground that, although Grassi and Feletti referred in their description of that species to cases of human malaria which specialists were agreed could only have been due to that parasite, the description itself was based upon an avian parasite.

The trivial name immaculata Grassi, 1890 (as published in the binominal combination Haemamoeba immaculata) had been rejected as a name for the Malignant Tertian Malaria_ Parasite on grounds similar to those explained in (g) above in the case of the trivial name praecor Grassi & Feletti.

It had been supposed that the next trivial name to have been published for the Malignant Tertian Malaria Parasite was the name falciparum Welch, 1897 (as published in the binominal combination Haematozoon falciparum). This name had accord- ingly been adopted as the trivial name of this parasite,

The commonly accepted assumptions in regard to

the nomenclature of the Quartan and Malignant Tertian Malaria Parasites (as set out in (2) above) were incorrect in every particular, both as regards the trivial names of those species and as regards the names of the genera to

which,

under the Régles, they should be referred. In view

of the complex problems involved, he (the Acting President)

598 International Commission on Zoological Nomenclature.

proposed to deal separately with the generic and trivial names, taking the trivial names first. As regards the

latter,

following :—

(a)

the considerations which were relevant were the

4

Christophers and Sinton (1938) had shown, as the result of a detailed examination of Laveran’s early papers (including, in particular, the paper published in 1881 in which that worker had published the name Oscillaria malariae) that the material at Laveran’s disposal consisted not of the Quartan Malaria Parasite (as hitherto universally assumed for nearly 40 years) but of the flagellating sexual forms of the Malignant Tertian Malaria Parasite. Accordingly, the trivial name malariae Laveran, 1881, was the oldest available name for, and there- fore the valid name of, the Malignant Tertian Malaria Parasite and was not applicable to the Quartan Malaria Parasite.

The assumption that, when in 1885 they established the genus Plasmodium, Marchiafava and Celli placed in that genus the species named Oscillaria malariae by Laveran four years earlier was in- correct. They made no reference to Laveran’s species and accordingly must be regarded as having published a new specific name (i.e. binominal combination), Plasmodium malariae, for the species which they then described. The material to which those authors applied that name consisted over- whelmingly of the asexual amoeboid form of the Malignant Tertian Malaria Parasite, though included among that material there were also examples which had recently been identified by Dr. Martin Young (1946) as the Benign Tertian Malaria Parasite. As the latter was the one species of human malaria parasite to which no author had as yet applied the trivial name malariae, he (the Acting President) had himself in the paper now before the Commission selected (under Article 31) the Malignant Tertian Malaria Parasite (of the asexual amoeboid form) to be the species to which the trivial name malariae Marchiafava & Celli, 1885 (originally published, as shown above, as the trivial name of a composite nominal species) should adhere.

The Quartan Malaria Parasite was first distinguished from the Malignant Tertian Malaria Parasite by Golgi in 1885. Neither then however nor in his better known paper of 1889 did Golgi give a trivial

14th Meeting, Paris, July, 1948. 599

(d)

(f)

name to the new species, the existence of which he had so established. It was not until the end of 1889 that a name was given to this speciessby Grassi & Feletti. In this paper (which was usually wrongly attributed to the year 1890, in which it was reprinted in the Riforma medica) these authors gave the trivial name malariae to this species, which they placed in a new genus, which they called Haemamoeba, at the same time placing the Malignant Tertian Malaria Parasite (which they correctly called malariae) in a new genus, Laverania, named after the worker by whom that species had first been discovered.

In 1890 Grassi & Feletti had published the trivial name praecor (in the binominal combination Haemamoeba praecox) for an avian parasite which they stated had been found also in the blood of human malaria patients. Specialists were agreed that the latter parasite could only have been the amoeboid form of the Malignant Tertian Malaria Parasite. The trivial name praecor Grassi & Feletti could not however be applied to that species, since the description of the species so named given by those authors was taken from the avian parasite, which was now recognised as being a distinct species.

In 1890 also, Antolisei and Angelini (in a paper which had been completely overlooked) had published a description of the Malignant Tertian Malaria Parasite under the trivial name falciforme (in the binominal combination Ematozoo falciforme, the generic name of which was published with a small initial letter).

Grassi in 1891 had published the trivial name immaculata (in the binominal combination Haema- moeba tmmaculata) for a parasite found in the blood of a young Kestrel. Unfortunately, Grassi added the observation that this was the same parasite as one which Celli and Guarnieri had reported (in an earlier paper) as having been found in the blood of human malaria patients. Specialists were agreed that this latter parasite could only have been the Malignant Tertian Malaria Parasite. The name immaculata Grassi, 1891, could not however be held to apply to that species, since Grassi’s deserip- tion of his immaculata was drawn exclusively from the avian parasite,

600

International Commission on Zoological Nomenclature.

(g) In 1891 also, Celli and Sanfelice had published a

paper in which they treated all the human malaria parasites as a single species, which they cited under the name Plasmodium malariae Marchiafava & Celli. This combined species was then discussed under three heads, according to the type of fever which it produced. To each of the three varieties so distinguished, these authors applied a Latin term consisting of an adjective in the feminine genitive singular (i.e. in grammatical agreement with the specific trivial name malariae Marchiafava & Celli). The terms so used were quartanae (for the Quartan Malaria Parasite, tertianae (for the Benign Tertian Malaria Parasite), and quotidianae (for the Malignant Tertian Malaria Parasite). These terms could not, by reason of the way in which they were formed, be regarded as having status as subspecific trivial names as from the date on which they were so published.

(h) It was in 1891 also that Danilewsky had published

a paper on malaria parasites, the nomenclature used in which was so obscure and inconsistent that later (in Opinion 101) the Commission had ruled that new names published in it possessed no status in zoological nomenclature. It was therefore not necessary to consider in detail the trivial name hominis, published by Danilewsky in the binominal combination Laverania hominis.

Kruse in 1892 had treated all the human malaria parasites as a single species, to which he applied the name Plasmodium malariae, which he divided into three forms for which he used Latin adjectives in the feminine genitive singular (in grammatical agreement with the specific trivial name malariae

in the same way as Celli and Sanfelice had done in.

their paper of 1891 (see (g) above)). The terms so used by Kruse and the species for which they were used were :—tertianae, for the Benign Tertian Malaria Parasite; quartanae, for the Quartan Malaria Parasite; irregularis, for the Malignant Tertian Malaria Parasite. As in the case of the corresponding terms previously used by Celli and Sanfelice, the foregoing terms used by Kruse could not be regarded as having acquired status as sub- specific trivial names as from the date on which they were so published by that author.

In 1894 Labbé had published a paper in which he also treated all the known human malaria parasites

Oe

14th Meeting, Paris. July, 1948, 601

(1)

7

as constituting a single species, which he placed in the genus Haemamoeba and to which he applied the new specific trivial name laverani. After describ- ing this species Labbé had stated that it had two varieties, namely guartana (the Quartan Malaria Parasite) and tertiang (the Benign Tertian Malaria Parasite). _ Labbé’s treatment of these species, though superficially similar to that adopted pre- viously, first by Celli and Sanfelice, and second by Kruse, was in fact quite different from that of either. He definitely treated the Malignant Tertian Malaria Parasite as Tepresenting the species with which he was concerned and attached to it as varieties the two other human malaria parasites, giving to each a properly formed trivial name consisting of an adjective in the nominative singular. The terms tertiana Labbé and quartana Labbé were both properly formed trivial names, each possessing rights under the Law of Priority.

Tn 1895 Thayer and Hewitson had published the trivial name faletforme (in the binominal combina- tion Haematozoon faletforme) for the Malignant Tertian Malaria Parasite. This name, although published in the above authors’ well-known work the Malarial Fevers of Baltimore ”, had for some unaccountable reason been completely neglected, in spite of its having been actually referred to by Welch (1897) when he published the name Jaleiparum (see (m) below).

Lewkowicz (1897) had published an analysis of the various types of human malaria parasites, using, for this purpose an entirely new terminology. In the first place he introduced the new generic name Haemosporidium : in the second, he employed five terms, all adjectives in the feminine genitive singular, namely ; tertianae, quartanae, undecimanae, sexdecimanae, and vigesimo-tertianae. The first. of these terms applied to the Benign Tertian Malaria Parasite, the second to the Quartan Malaria Parasite, and the remainder to various forms of the Malignant Tertian Malaria Parasite. The fact that these terms were all adjectives in the feminine genitive singular made it clear that they must be in gramma- tical agreement with some femininé noun, such as “febris or (the non-classical) malaria ”, under- stood, though not expressed, which, if expressed, would have appeared as “febris”” or “malariae ”,

International Commission on Zoological Nomenclature.

It was evident that these terms were not used by Lewkowicz -as subspecific trivial names and they could not therefore be accepted as such as from the date on which they were published by that author.

(m) In 1897 Welch had published the trivial name falciparum (in the binominal combination Haema- tozoon falciparum) for the Malignant Tertian Malaria Parasite.

(n) In addition to the names discussed above, there were two other names which it had sometimes been alleged had been given to the Malignant Tertian Malaria Parasite during the last decade of the XIXth century. These were: (i) the trivial name irregularis alleged to have been published by Sakharov in 1892 as a subspecific trivial name in the trinominal combination Haemamoeba febris wrregu- lavis ; (ii) the trivial name tropica alleged to have been published by Koch in 1899 in the binominal combination Plasmodium tropica. The most careful search of the literature had failed to trace either of these names, and, for the reasons explained in the paper now before the Commission, he (the Acting President) believed that neither of these names had in fact ever been published by the authors concerned.

(4) From the foregoing survey it was clear (a) that the oldest available and therefore the valid, trivial name for the Malignant Tertian Malaria Parasite was malariae Laveran, 1881 (as published in the binominal combination Oscillaria malariae), (b) that the following trivial names were syno- nyms of the name malariae Laveran, 1881: malariae Marchiafava & Celli, 1885 (as published in the bmominal combination Plasmodium malariae) ; falciforme Antolisei & Angelini, 1890 (as published in the binominal combina- tion Ematozoo-faleiforme) ; laverani Labbé, 1894 (as pub- lished in the binominal combination Haemamoeba laverana) ;

falciforme Thayer & Hewitson, 1895 (as published in the

binominal combination Haematozoon falciforme) ; falei- parum Welch, 1897 (as published in the binominal combima- tion Haematozoon falciparum); (c) that the following trivial names which had been applied by some authors to the Malignant Tertian Malaria Parasite were not properly applicable thereto having been given by their original authors to avian parasites: praecor Grassi & Feletti, 1890 (as published in.the binominal combination Haema- moeba praecox) ; immaculata Grassi, 1890 (as published in the binominal combination Haemamoeba immaculata) ; (d)

14th Meeting, Paris, July, 1948. 603

that the following terms which had been treated by some authors as having been published by their original authors as trivial names for the Malignant Tertian Malaria Parasite had in fact not been published as trivial names and possessed no status under the Régles: quotidianae Celli & Sanfelice 1891 (as published in connection with the binominal combination Plasmodium malariae); irregularis Kruse, 1892 (as published in connection with the binominal com- bination Plasmodium malariae) ; undecimanae, sexdeci- manae, and vigesimo-tertianae Lewkowicz, 1897 (as published in connection with the generic name Haemosporidium) ; (e) that the alleged trivial names irregularis Sakharov, 1892 (as reputed to have been published in the trinominal combination Haemamoeba febris irregularis) and tropica Koch, 1899 (as reputed to have been published in the binominal combination Plasmodium tropica) had in fact never been so published by the authors concerned and there- fore that these names were mere cheironyms. As regards the Quartan Malaria Parasite, it was now clear (a) that the earliest trivial name to be given to this species was malariae Feletti & Grassi, 1889 (as published in the binominal combination Haemamoeba malariae); (b) that the only other trivial name given to this species was the name quartana Labbé, 1894 (as published in the trinominal ‘combination Hamamoeba laverani var. quartana) ; (c) that the following terms which had been treated by some authors as having been published by their original authors as trivial names for the Quartan Malaria Parasite had in fact not been published as trivial names and possessed no status under the Reégles : quartanae Celli & Sanfelice, 1891 (as published in connection with the binominal combination Plasmodium malariae) ; quartanae Kruse, 1892 (as published in connection with the binominal combination Plasmodium malariae) ; quartanae Lewkowicz, 1897 (as published in connection with the generic name Haemosporidium). The trivial name malariae Feletti & Grassi, 1889, had been not only the oldest, but also the valid, trivial name for the Quartan Malaria Parasite at the time when it was first published ; it had become invalid however as soon as that species and the Malignant Tertian Malaria Parasite (malariae Laveran, 1881) had been united by specialists in a single genus. For it then became a junior secondary homonym of malariae Laveran and as such, had to be rejected per- manently. Accordingly, the valid trivial name for the Quartan Malaria Parasite was the next name to have been given to that species, namely quartana Labbé, 1894. Turning to the Benign Tertian Malaria Parasite, the position was now seen to be: (a) that the oldest, and the valid, trivial name of this species was vivax Grassi & Feletti,

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International Commission on Zoological Nomenclature.

1890; (b) that the trivial name tertiana Labbé, 1894 (as published in the trinominal combination Haemamoeba laverant var. tertiana) was a synonym of vivax Grassi & Feletti, 1890 ; (c) that the following terms which had been treated by some authors as having been published by their original authors as trivial names for the Benign Tertian Malaria Parasite had in fact not been published as trivial names and possessed no status under the Reégles : tertianae Celli & Sanfelice, 1891 (as published in connection with the binominal combination Plasmodium malariae) ; tertianae Kruse, 1892 (as published in connection with the binominal combination Plasmodium malariae); tertianae Lewkowicz, 1897 (as published in connection with the generic name Haemosporidium).

(5) On turning from the trivial names bestowed upon the human malaria parasites to the generic names published for those species, a situation of equal confusion was found to exist. The position as regards these names was as follows :—

(a) Oscillarva Schrank, 1823 or Oscallarva Laveran, 1881 : Laveran had used the generic name Oscillaria when he first named the Malignant Tertian Malaria Parasite, giving to that species the name Oscillaria malariae. Laveran had not then stated whether he

regarded this as a new generic name but the fact.

that he was certainly aware of the existence of Schrank’s Oscillaria and that later without explana- tion he had dropped the name Oscillaria as the veneric name for the human malaria parasites (which he would have been unlikely to have done if he had regarded himself as the author of the name) strongly pointed to the conclusion that, when in 1881 he applied this generic name to his new malaria parasite, he regarded himself as making use of the genus Oscillarva Schrank. The possibility could not however be excluded that he regarded himself as the author of this name. In either case, the generic name Oscillaria was invalid, as applied to the human malaria parasites. The species included by Schrank in 1823 in his genus Oscillaria were now known to have been not animals but minute species of algae. The genus had accordingly been transferred to the Vegetable Kingdom. In these circumstances, it could not be applicable to the human malaria para- sites, none of those species having been included by Schrank in that genus at the time when he published the name Oscillaria. Under Article 1 of the Régles, a name, on being transferred from the Animal

14th Meeting, Paris, July, 1948. 605

Kingdom to the Vegetable Kingdom retained its rights in the Animal Kingdom ; in consequence, the name Oscillaria Laveran, 1881, if such a name had ever in fact been published by that author, would have been invalid under Article 34, for it would have been a junior homonym of the name Oscillaria Schrank, 1823,

(b) Plasmodium Marchiafava & Celli, 1885: As had already been shown (in (3) (b) above), the genus Plasmodium Marchiafava & Celli, 1885, was a monotypical genus with Plasmodium malariae Marchiafava & Celli, 1885, as type species, that species being the Malignant Tertian Malaria Para- site. This genus had been universally accepted as having Oscillaria malariae Laveran, 1881, as its type species and that species had been accepted equally universally as being the Quartan Malaria Parasite. These errors dated from the authoritative but totally incorrect statements made first by Luhe (1900) and subsequently by Schaudinn (1902). It was impossible to believe that these great authorities could unwittingly have fallen into such _ an error. The only reasonable (or indeed possible) explanation was to conclude that first Luhe and later Schaudinn realised something which had never been realised by any previous worker, namely that there were two fatal flaws in the currently accepted nomenclature of the human malaria parasites, the correction of which would throw the entire literature of malariology into confusion, The errors in question were ‘—(1) The sole included species, and therefore the type species, of the genus Plasmodium Marchiafava & Celli, 1885, was not the Quartan Malaria Parasite, as. then universally supposed, but the Malignant Tertian Malaria Parasite ; in consequence for all workers who re- garded these two species as generically distinct from one another, Plasmodium Marchiafava & Celli was the correct generic name for the Malignant Tertian Malaria Parasite; the universally used name Laverania (as attributed to Grassi & Feletti, 1890) was no more than a synonym of Plasmodium Mar- chiafava & Celli, the two genera having the same species as type species, while another generic name (Haemamoeba, as attributed to Grassi & Feletti, 1890) would need to replace Plasmodium Marchiafava, & Celli as the generic name of the Quartan Malaria Parasite. (2) The union of the Quartan

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International Commission on Zoological Nomenclature.

Malaria Parasite and the Malignant Tertian Malaria Parasite in a single genus (Plasmodium) would mean for every worker who accepted that taxonomic view that the trivial name malariae (as attributed to Grassi & Feletti, 1890), then universally in use for the Quartan Malaria Parasite would have to be rejected as a junior secondary homonym of the trivial name malariae Laveran, 1881, which was the oldest (and the valid) name for the Malignant Tertian Malaria Parasite, although it was not at that time used by any worker for that species, which was then generally known either by the nomenclatori- ally inapplicable name praecox Grassi & Feletti or by the similarly inapplicable name immaculata Grassi, 1891. Many years were to pass before a dilemma such as that which confronted Luhe and Schaudinn could be overcome by the use by the Commission of their plenary powers, for it was not until 1913 that those powers were conferred on them by the International Congress of Zoology. In these circumstances the confusion which Luhe and Schaudinn rightly anticipated would result from a strict application of the Regles to the names of the human malaria parasites could only be avoided by a deliberate evasion of the Regles. The existing nomenclatorial practice could be given the appearance of compliance with the Regles only if the interpretation of the literature was deliberately falsified in two respects : (1) by claiming that it was the Quartan Malaria Parasite and not the Malignant Tertian Malaria Parasite which Marchiafava & Celli had in 1885 included in the genus Plasmodium as sole species; (2) by claiming that it was the Quartan Malaria Parasite and not the Malignant Tertian Malaria Parasite on which Laveran in 1881 had bestowed the trivial name malariae. Once these two claims had been successfully advanced, the name malariae Laveran, 1881, would remain the oldest available, and therefore the valid, trivial name of the Quartan Malaria Parasite, and the generic name Plasmodium Marchiafava & Celli would in all circumstances be the correct name for the Quartan Malaria Parasite, irrespective of the view taken on taxonomic grounds on the question whether that species was congeneric with the Malignant Tertian Malaria Parasite. Neither of these claims had ever been advanced before but both these claims were now put forward first by Luhe and later by Schaudinn. The great authority of these workers,

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14th Meeting, Paris, J uly, 1948. 607

(c)

coupled with the disinclination of many workers to examine for themselves nomenclatorial problems on which the greatest living authorities had made categorical pronouncements, was sufficient to win immediate and universal acceptance for the views which they had expressed in this matter. This therefore was the reason that for- nearly forty years a totally incorrect nomenclature. had been— and still was—in universal use by malariologists.

The cheironym Haematomonas Osler, 1886: Some authors had cited Osler as having published in

_ 1886 a generic name Haematomonas for the human

malaria parasites. This was a complete misunder- standing of what Osler had written. All that he had said was that, pending a better understanding of the affinities of the human malaria parasites, it would be well, as had been Suggested by Mitro- phanow, to refer these species to the genus Haema- tomonas. This was not the first time that this name had been published and should therefore not be attributed to Osler, this name having already been published by Mitrophanow in 1883 for certain flagellates which were not human malaria parasites. The name Haematomonas was therefore not correctly applicable to the latter species.

(d) Hamatophyllum Metschnikoff, 1887 : This name was

(e

(f)

~—

published quite unnecessarily as a nom. nov. pro Plasmodium Marchiafava & Celli; 1885, of which therefore it was an objective junior synonym.

Haemamoeba Feletti & Grassi, 1889, and Laverania Feletti & Grassi, 1889: These names (which were usually wrongly treated as having been published in 1890 and attributed to Grassi & Feletti instead of to Feletti & Grassi) were established by their authors as the names of monotypical genera, the first for the Quartan Malaria Parasite (then given the name Haemamoeba malariae Feletti & Grassi), the second for the Malignant Tertian Malaria Parasite (there referred to under the trivial name malariae, which was no doubt identified by these authors with malariae Laveran, 1881, in view of the fact that they selected that authority’s name as the basis for their new generic name).

Ematozoo Antolisei_ & Angelini, 1890: This was a monotypical genus, having as its type species Ematozoo faleiforme Antolisei & Angelini, 1890, a nominal species identified with the Malignant Tertian Malaria Parasite.

es ee

SS

608 International Commission on Zoological Nomenclature.

(g) Cytamoeba, Cytosporon, Haemocytosporon, and Cyto- zoon Danilewsky, 1891: All these generic names had been declared unavailable nomenclatorially by the Commission in their Opinion 101.

(h) Haematozoon Thayer & Hewitson, 1895: This also was a monotypical genus, its type species being Haematozoon falciforme Thayer & Hewitson, 1895, which had been identified as the Malignant Tertian Malaria Parasite.

(i) Haemosporidium Lewkowicz, 1897: Lewkowicz included in this genus all three of the human malaria parasites then discovered, treating them all as varieties of a single species, which however was not itself cited by him under a trivial name. No type species was designated for this genus by Lewkowicz and no later author had selected as the type species of the genus any of the three taxonomic species included by Lewkowicz in the single com- posite species recognised by that author but not cited by him under a trivial name. The second of the varieties recognised by Lewkowicz and deno- minated by him under the technical designation quartanae was, in fact, it was agreed by specialists, the Quartan Malaria Parasite. In order to assign a definite status to the generic name Haemosporidium Lewkowicz, he (the Acting President) had himself, in the paper’now before the Commission, selected Haemamoeba malariae Feletti & Grassi, 1889, as the type species of the genus Haemosporidium Lewkowicz, 1897, making it an objective synonym of Haemamoeba Feletti & Grassi, 1889, of which the same species is the type species.

(6) The information so assembled showed that the generic name Plasmodium Marchiafava & Celli, 1885, was an available name (in the sense that it was not a homonym of any previously published generic name), that its type species was a nominal species (Plasmodium malariae Marchiafava & Celli, 1885), which was subjectively identified with Oscillaria malariae Laveran, 1881, and that it was the oldest generic name having as its type species either the species so named by Laveran or a nominal species subjectively identified therewith. It was therefore the oldest available generic name for the Malignant Tertian Malaria Parasite. The generic name Hdmatophyllum Met- schnikoff, 1887, was an objective synonym of Plasmodium Marchiafava & Celli and the names of the following genera were subjective synonyms of that generic name,

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14th Meeting, Paris, July, 1948. 609

their respective type species being subjective synonyms of the nominal species that was the type species of the genus Plasmodium Marchiafava & Celli :—Laverania Feletti & Grassi, 1889; Hmatozoo Antolisei & Angelini, 1890 ; Haematozoon Thayer & Hewitson, 1895. The Quartan Malaria Parasite (Haemomoeba malariae Feletti & Grassi 1889) was the type species of the genus Haemamoeba Feletti & Grassi, 1889, and this, being an available name, was the correct generic name for the Quartan Malaria Parasite for any specialist who regarded that species as generically distinct from the Malignant Tertian Malaria

‘Parasite (the type species of the genus Plasmodiwm Mar-

chiafava & Celli). The genus Haemosporidium Lewkowicz, 1897, was an objective synonym of Haemamoeba Feletti & Grassi, 1889, the same nominal species being the type species of both genera. The Benign Tertian Malaria Parasite was not the type species of any genus, but, as it was regarded by all workers as congeneric with the Quartan Malaria Parasite, its correct generic name for any given specialist was the name of whatever genus (either Haemamoeba Feletti & Grassi, 1889, or Plasmodium Marchiafava &

' Celli) was accepted by that worker as the genus to which on

taxonomic grounds the Quartan Malaria Parasite should be referred.

(7) Having now established what under the Régles were the correct generic and trivial names for the human malaria parasites, it was at length possible to compare those names with the names in universal use (which were also the names entered on the Official List of Generic Names in Zoology” in Opinion 104). This comparison showed the following results :—

Vernacular name of human Correct scientific Scientific name malaria parasite name under universally in the “* Regles” use (also the

name recognised in ‘‘ Opinion”’ 104)

(1) Malignant Tertian Malaria

Parasite (a) For workers who regard this species as con-

generic with the Plasmodium Quartan Malaria Para- | falciparum site Plasmodium (Welch, 1897) malariae (b) For workers who regard | (Laveran, 1881) Laverania this species and the falciparum Quartan Malaria Para- | (Welch, 1897)

site as belonging to different genera

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International Commission on Zoological Nomenclature.

Vernacular name of human | Correct scientific Scientific name malaria parasite name under universally in the * Regles”’ use (also the name recognised in Opinion”? 104)

(2) Quartan Malaria Parasite (a) For workers who regard

this species as con- | Plasmodium generic with the | quartanum Malignant Tertian | (Labbé, 1894) Malaria Parasite Plasmodim malariae (b) For workers who regard (Laveran, 1881) this species and the | Haemamoeba Malignant Tertian | quartanum Malaria Parasite as | (Labbé, 1894) belonging to different genera (3) Benign Tertian Malaria Parasite (treated by all specialists as congeneric < with the Quartan Malaria Parasite) (a) For workers who regard | Plasmodium } the Malignant Tertian | vivax Malaria Parasite and | (Grassi and the Quartan Malaria Feletti, 1890) Plasmodium

Parasite as congeneric

vivax

(Grassi and (b) For workers who regard | Haemamoeba Feletti, 1890) the Malignant Tertian | vivax Malaria Parasite and | (Grassi and | the Quartan Malaria | Feletti, 1890) |) Parasite as belonging to

different genera

(8) It was obvious from the foregoing analysis that the gravest confusion would arise in the literature of malario- logy, if the Régles were to be strictly applied to the names of human malaria parasites, involving, as this would, among other changes (i) the transfer of the trivial name malariae from the Quartan Malaria Parasite (for which it was invariably used but to which it did not properly belong) to

the Malignant Tertian Malaria Parasite (to which it correctly ©

belonged but for which it was never used), and (ii) the accept- ance (equally confusing) of the Malignant Tertian Malaria Parasite instead of the Quartan Malaria Parasite as the type species of theg enus Plasmodium Marchiafava & Celli. All specialists were agreed in asking the Commission to use their plenary powers to prevent these disastrous changes from becoming necessary. The first could be achieved by suppressing the trivial name malariae Laveran, 1881; altogether, and by validating the trivial name malariae Feletti & Grassi, 1889, for the Quartan Malaria Parasite ; the second could be achieved by the Commission

14th M eeting, Paris, July, 1948. 611

using their plenary powers to set aside the existing type designation for the genus Plasmodium Marchiafava & Celli and by the Commission itself designating Haemamoeba malariae Feletti & Grassi, 1889, to be the type species of this genus. In order to validate the use of the trivial name falciparum Welch, 1897, it would be necessary to suppress all trivial names given to the Malignant Tertian Malaria Parasite subsequent to the name malariae Laveran, 1881 (which, as indicated above, it would be necessary in any case to suppress for the purpose of enabling the trivial name malariae to be used: for the Quartan Malaria Parasite) and prior to the publication of the name falciparum Welch. He (the Acting President) recommended that advantage should be taken of the present opportunity to suppress, or, as the case might be, to declare invalid or inapplicable or non-existent all the names bestowed upon the human mal- aria parasites up to the end of the XIXth century which had been examined in the study placed before the Commission, other than the names now proposed to be validated. The names published by Danilewsky in 1891 had already been de- clared unavailable under Opinion 101. Turning to procedural questions, the Acting President said that it would be neces- sary (i) to cancel the incorrect statements regarding the generic names Plasmodium and Laverania contained in Opinion 104 and the consequent incorrect particulars regarding those names jn the “Official List of Generic Names in Zoology”, (ii) to insert in that “Official List” amended particulars regarding the foregoing generic names, (ili) to insert entries in the Official Index of Rejected - and Invalid Generic Names in Zoology ”’ and in the corres- ponding “Index” of rejected and invalid specific trivial names recording the decisions taken to Suppress or to declare invalid, inapplicable or non-existent the names now recommended to be so suppressed or so declared, and (iv) to place on the Official List of Specific Trivial Names in Zoology” the correct trivial names as now stabilised for the three species of human malaria parasites under con- sideration.

(9) He (the Acting President) regretted that it had been necessary to burden the Commission with such a mass of detail, but, as they would have realised, this was unavoidable in even the most condensed presentation of the present case, if that presentation was to deal with each of the indi- vidual problems involved. It was difficult to imagine an application for the use of the plenary powers of greater importance than that now submitted or one which would be more widely supported by authoritative opinion in all ‘parts of the world. He (the Acting President) therefore

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International Commission on Zoological Nomenclature.

confidently placed this application before the Commission for their approval.

(10) Finally, he (the Acting President) wished to express his thanks for the valuable advice and great assistance and encouragement which, while preparing the present applica- tion, he had received from leading protozoologists and other interested specialists. In particular, he desired to acknowledge the help received from Sir Rickard Christophers (Cambridge University, Cambridge), Brigadier J. A. Sinton (War Office, London), Dr. C. M. Wenyon (The Wellcome Research Institution, London), Professor Robert L. Usinger (University of California, Berkeley, California, U.S.A.), Dr. Curtis W. Sabrosky (United States National Museum, Washington, D.C.), Dr. C. Robert Coatney (United States Public Health Service, National Institute of Health, Bethesda, Maryland, U.S.A.), and Dr. C. F. W. Muesebeck (United States Department of Agriculture, Washington, D.C.), the last two of whom had been so kind as to furnish photostat copies of rare Italian papers on the malaria parasites, originals of which were not available in London.

IN THE DISCUSSION which ensued, the view was ex- pressed on all hands that it was the clear duty of the Commission to use their plenary powers in the manner proposed, in order to prevent the catastrophic confusion not only in the’systematic literature of Protozoa but also— and, in this case this was of much greater importance—in

the vast medical and technical literature of malariology.

The Secretary to the Commission was congratulated upon the masterly fashion in which he had assembled the complex mass of data which it was necessary to consider in order to determine the correct position as it existed under the Regles.

THE COMMISSION agreed :—

(1) to cancel the incorrect particulars relating to the generic names Plasmodium and Laverania con- tained :—

(a) in Opinion 104; *

(b) in consequence of (a) above, in the “‘ Official List of Generic Names in Zoology ;

(2) to use their plenary powers :—

(a) to suppress for all purposes the under- mentioned trivial names published for the Malignant Tertian Malaria Parasite :—

malariae Laveran, 1881 (as published in the binominal combination Oscillaria malariae)

14th Meeting, Paris, J uly, 1948. 613

malariae Marchiafava & Celli, 1885 (as published in the binoming] combination Plasmodium malariae)

malariae Feletti & Grassi, 1889 (as published in the binominal combination Laverania malariae) (in so far as this was published as a new name and not as the trivial name malariae Laveran, 1881) ;

(b) to suppress for all purposes other than Article 35 the undermentioned trivial names published for the Malignant Tertian Malaria Parasite :—

falciforme Antolisei & Angelini, 1890 (as published in the binominal combination Ematozoo faleiforme)

laverani Labbé, 1894 (as published in the binominal combination Haemamoeba laverani)

faleiforme Thayer & Hewitson, 1895 (as published in the binominal combination Haematozoon falciforme) ;

(c) to set aside the indication, by monotypy, of Plasmodium malariae Marchiafava & Celli, 1885 (the Malignant Tertian Malaria Parasite) as the type species (i) of the genus Plasmodium Marchiafava & Celli, 1885, and (ii) of the genus Hématophyllum Met- schnikoff, 1887 (the name of which was published as a substitute name (nom. nov.) for Plasmodium Marchiafava & Celli, 1885, in the erroneous belief that that name was not available under the Regles), and in place of the foregoing Species to designate Haemamoeba malariae Feletti & Grassi, 1889 (the Quartan Malaria Parasite) to be the type species both of the genus Plas- modium Marchiafava & Celli, 1885, and of the genus Hématophyllum Metschnikoff, 1887 ;

(d) to validate the undermentioned trivial names :—

malariae Feletti & Grassi, 1889 (as published in the binominal combination - Haemamoeba malariae) to be the name of the Quartan Malaria Parasite, not- withstanding the fact that, prior to the

614

International Commission on Zoological Nomenclature.

suppression under the plenary powers of the trivial names consisting of the word malariae ’’, specified in (a) above, that name had been an invalid secondary homonym ; “i falciparum Welch, 1897 (as published in the binominal combination Haematozoon falciparum) to be the name of the Malig- nant Tertian Malaria Parasite ;

(e) to set aside the indication, by monotypy,

of Laverania malariae Feletti & Grassi, 1889, or, as the case may be, Oscillaria malariae Laveran, 1881, (being names for the Malignant Tertian Malaria Parasite suppressed under (a) above) as the type species of the genus Laverania Feletti & Grassi, 1889, and in the place of the species so named to designate Haematozoon falci- parum Welch, 1897. to be the type species of that genus ;

(f) to validate the generic name Laverania

Feletti & Grassi, 1889 (type species, by designation under the plenary ' powers, under (e) above: Haematozoon falciparum Welch, 1897, validated under the plenary powers, under (d) above, as the name of the Malignant Tertian Malaria Parasite) ;

(3) to declare the undermentioned generic names to be invalid or not required for the reasons severally stated -below against the names in question :—

Generic name Reason why generic name cited in Col. (1) is invalid or not required

(1) (2)

Oscillaria Laveran, Invalid because a homo-

1881 (insofaras nym _ of Oseillaria

Laveran published Schrank, 1823, that this as a new name retaining under name and not as Article 1 its right Oscillaria Schrank, under Article 34, not-

1823) withstanding the fact that the genus so named has been trans- ferred to the Vegetable Kingdom

14th Meeting, Paris, July, 1948. 615

Hadmatophyllum Invalid because an objec- Metschnikoff, - tive synonym of Plas- 1887 modium Marchiafava

& Celli, 1885, the two nominal genera having the same nominal species as type species

Haemamoeba Feletti Invalid because the type & Grassi, 1889 species of this genus (Haemamoeba malariae Feletti & Grassi, _* 1889) has, under (2) (c) above, been desig- nated under the plenary powers to be the type species of the genus having the older name Plasmodium Marchiafava & Celli, 1885

Ematozoo Antolisei Not required because its & Angelini, 1890 type species (Emato- z00 faleiforme Antolisei & Angelini, 1890) is a subjective synonym of Haematozoon falci- parum Welch, 1897, designated under the plenary powers, under (2) (f) above, to be the type species of the genus Laverania Feletti & Grassi, 1889;

Haematozoon Thayer Not required because its & Hewitson, 1895 type species (Haemato- zoon falciforme Thayer & Hewitson, 1895) is a subjective synonym of Haematozoon falci- parum Welch, 1897, designated under the plenary powers, under (2) (f) above, to be the type species of the genus Laverania Feletti & Grassi, 1889 ;

616 International Commission on Zoological Nomenclature.

Haemosporidium Invalid because its type Lewkowicz, 1897 species, Haemawoeba malariae Feletti & Grassi, 1889 (by selec- tion under Article 30, Rule (g) and Opinion 35) is the same nominal species as that which, under the plenary powers, has, under (2) (c) above, been desig- nated as the type spe- cies of the genus having the older name Plas- modium Marchiafava & Celli, 1885

(4) to declare that the undermentioned trivial names, each of which was published as the name of a new avian parasite but in the description of each of which there appeared an incorrect statement that the parasite in question had been found in the blood of human malaria patients, were not available as trivial names for the Malignant Tertian Malaria Parasite (the parasite mis- identified with the avian parasite concerned), these trivial names adhering under the Regles to the avian parasites, from which the original descriptions of these parasites were drawn up ey their respective authors :—

praecoz Grassi & Feletti, 1890 (as published in the bmominal combination Haemamoeba prae- cox)

immaculata Grassi, 1891 (as published in the

binominal combination Haemamoeba immacu- lata)

(5) to declare that the wundermentioned terms consisting of Latin adjectives published in the genitive case, in agreement not with the generic name (as required by Article 14(1)(a)) but with the specific trivial name, either expressed or understood, were published not as subspecific trivial names of human malaria parasites, but as technical designations for those species and that the Latin adjectives in question accordingly possess no status under the Reégles as subspecific trivial names :—

quartanae Celli & Sanfelice, 1891 (as published

14th Meeting, Paris, July, 1948. 617

in connection with the binominal combination Plasmodium malariae)

tertianae Celli & Sanfelice, 1891 (as published in connection with the binominal combination Plasmodium malariae)

quotidianae Celli & Sanfelice, 189] (as published in connection with the binominal combination Plasmodium malariae)

tertianae Kruse, 1892 (as published in connection with the binominal combination Plasmodium malariae)

quartanae Kruse, 1892 (as published in connec- tion with the binominal combination Plas- modium malariae)

irregularis Kruse, 1892 (as published in con- nection with the binominal combination Plas- modium malariae)

tertianae Lewkowicz, 1897 (as published in con- nection with the generic name Haemosporidium)

quartanae Lewkowicz, 1897 (as published in connection with the generic name Haemos- poridium)

undecimanae Lewkowicz, 1897 (as published in connection with the generic name Haemo- sporidium)

sexdecimanae Lewkowicz, 1897 (as published in connection with the generic name Haemo- sporidium)

vigesimo-tertianae Lewkowicz, 1897 (as published in connection with the generic name Haemo- sporidium) ;

(6) to place on record :—

(a) that there was no such generic’ name as Haematomonas Osler, 1886, Osler in the passage in question not having published a new generic name but having referred to the previously published name Haematomonas Mitrophanow, 1883 ;

(b) that the undermentioned generic and trivial names published for human malaria para- sites by Danilewsky, 1891, possessed no status under the Reégles, the paper in which they were published having been declared

618 International Commission on Zoological Nomenclature.

by the Commission in Opinion 101 to be unavailable for nomenclatorial purposes :—

(i) the generic names :—

Cytamoeba Danilewsky, 1891 Cytosporon Danilewsky, 1891 Cytozoon Danilewsky, 1891 Haemocytosporon Danilewsky, 1891

. (ii) the trivial name hominis Danilewsky, 1891 (as published in the binominal ° combination Laverania hominis);

(c) that the trivial name quartana Labbé, 1894 (as published as a subspecific trivial name in the trinominal combination Haema- moeba laverani var: quartana), is not required. for the Quartan Malaria Parasite, it being a junior subjective synonym of the trivial name malariae Feletti & Grassi 1889 (as published in the binominal combination Haemamoeba malariae) validated under the plenary powers under (2) (d) above ;

(d) that the undermentioned alleged trivial names, not having been published, were cheironyms and accordingly possessed no status under the Regles :—

irregularis Sakharov, 1892 (erroneously alleged to have been published as a subspecific trivial name in the trinominal combination Haemamoeba febris wregu- laris) :

tropica Koch, 1899 (erroneously alleged to have been published in the binominal combination Plasmodium. tropica) ;

(7) to declare that the trivial name vivax Grassi & Feletti, 1890 (as published in the binonimal com- bination Haemamoeba vivaz) is the oldest available trivial name for, and therefore the valid trivial name of, the Benign Tertian Malaria Parasite ;

(8) to declare that the trivial name tertiana Labbé, 1894 (as published as a subspecific trivial name in the trinominal combination Haemamoeba laverant var. tertiana) is not required for the Benign Tertian Malaria Parasite, being a subjective synonym of the earlier published trivial name vivax Grassi & Feletti, 1890 ;

14th Meeting, Paris, July, 1948. 619

(9) to substitute the following particulars in regard to the generic names Plasmodium and Laverania in the Official List of Generic Names in Zoology in place of the particulars deleted therefrom in accordance with-(1) above :—- :

Plasmodium Marchiafava & Celli, 1885 (type species by designation under the plenary powers: Haemamoeba malariae Feletti & Grassi, 1889) (the Quartan Malaria Parasite) ;

Laverania Feletti & Grassi, 1889 (type species, by designation under the plenary powers : Haematozoon falciparum Welch, 1897) (the Malignant Tertian Malaria Parasite) (generic name to be used by authors who consider the Malignant Tertian (or Aestivo-Autumnal) Mal- aria Parasite to be generically distinct from the Quartan Malaria Parasite) ;

(10) to place the undermentioned generic names and alleged generic names on the Official Index of Rejected and Invalid Generic Names in Zoology ”’ :—

Cytamoeba Danilewsky, 1891 (a name possessing no status under the Régles, the Commission having ruled (Opinion 101) that the paper in which it was published is not available for nomenclatorial purposes)

Cytosporon Danilewsky, 1891 (a name posses- ing no status under the Regles, the Commission having ruled (Opinion 101) that the paper in

_ which it was published is not available for nomenclatorial purposes)

Cytozoon Danilewsky, 1891 (a name possessing no status under the Régles, the Commission having ruled (Opinion 101) that the paper in which it was published is not available for nomenclatorial purposes)

Haemamoeba Feletti & Grassi, 1889 (invalid because an objective synonym of Plasmodium Marchiafava & Celli, 1885, as defined under the plenary powers in (2) (c) above, but available for the purposes of Article 34)

International Commission on Zoological Nomenclature.

Haematomonas Osler, 1886 (a cheironym based upon a misreading of a passage referring to the generic name Haematomonas Mitrophartow, 1883)

Hiimatophyllum Metschnikoff, 1887 (invalid because an objective synonym of Plasmodium Marchiafava & Celli, 1885, but available for the purposes of Article 34)

Haemocytosporon Danilewsky, 1891 (a name possessing. no status under the Régles, the Commission having ruled (Opinion 101) that the paper in which it was published is not available for nomenclatorial purposes)

Haemosporidium Lewkowicz, 1897 (invalid be- cause an objective synonym of Plasmodium Marchiafava & Celli, 1885, as defined under the plenary powers in (2) (c) above but available for the purposes of Article 34)

Oscillaria Laveran, 1881 (in so far as published by Laveran as a new name, invalid as a homonym of Oscillaria Schrank, 1823);

(11) to place the under-mentioned trivial names on the Official List of Specific Trivial Names in Zoology :—

falciparum Welch, 1897 (as published in the binominal combination Haematozoon falciparum) (the Malignant Tertian Malaria Parasite)

malariae Feletti & Grassi, 1889 (as published in the binominal combination Haemamoeba malariae) (the Quartan Malaria Parasite)

vivax Grassi & Feletti, 1890 (as published in the bmominal combination Haemamoeba vivaz) (the Benign Tertian Malaria Parasite) ;

(12) to place the undermentioned trivial names and alleged trivial names on the ‘“ Official Index of Rejected and Invalid Specific Trivial Names in Zoology :—

falciforme Antolisei & Angelini, 1890 (as published in the binominal combination Emato- z00 faleiforme) (suppressed under the plenary powers, under (2) (b) above, for all purposes other than Article 35)

7

14th Meeting, Paris, July, 1948. 621

falciforme Thayer & Hewitson, 1895 (as published in the binominal combination Haema- tozoon falciforme) (suppressed under the plenary powers, under (2) (b) above, for all purposes other than Article 35)

hominis Danilewsky, 1891 (as published in the binominal combination Laverania hominis) (a name possessing no status under the Régles, the Commission having ruled (Opinion 101) that the paper in which it was published is not available for nomenclatorial purposes)

wmmaculata Grassi, 1891 (as published in the binominal combinationHaemamoeba im maculata) (not applicable to the Malignant Tertian Malaria Parasite, but available for the avian parasite, on’ which the description by the original author was based)

wregularis Kruse, 1892 (as published in con- nection with the binominal combination Plas- modium malariae) (published as a technical designation, not as a trivial name, and in consequence possessing no status under the Regles)

wregularis Sakharov (erroneously alleged to have been published in 1892 as a subspecific trivial name in the trinominal combination Haemamoeba febris irregularis) (a cheironym possessing no status under the Régles)

laveranti Labbé, 1894 (as published in the binominal combination Haemamoeba laverant) (suppressed under the plenary powers for all purposes other than Article 35, under (2) (b) above)

malariae Feletti & Grassi, 1889 (as published in the binominal combination Laverania malariae) (in so far as this was a new name and not merely a use of the trivial name malariae Laveran, 1881) (suppressed for all purposes under the plenary powers under (2) (a) above)

International Commission on Zoological N omenclature.

malariae Laveran, 1881 (as published in the binominal combination Oscillaria malariae) (suppressed for all purposes under the plenary powers under (2) (a) above)

malariae Marchiafava & Celli, 1885 (as pub-

‘lished in the binominal combination Plas-

modium malariae) (suppressed for all purposes under the plenary powers under (2) (a) above)

praecoxr Grassi & Feletti, 1890 (as published in the binominal combination Haemamoeba praecox) (not applicable to the Malignant Tertian Malaria Parasite, but available for the avian parasite, on which the description by the original authors was based)

quartanae Celli & Sanfelice, 1891 (as published in connection with the binominal combination Plasmodium malariae) (published as a technical designation, not as a trivial name, and in

consequence possessing no status under the Régles) : 2

quartanae Kruse, 1892 (as published in connec- tion with the binominal combination Plas- modium malariae) (published as a_ technical designation, not as a trivial name, and in consequence possessing no status under the Régles)

quartanae Lewkowicz, 1897 (as published in connection with the generic name Haemosport- dium) (published as a technical designation, not as a trivial name, and in consequence pos- sessing no status under the Régles)

quotidianae Celli & Sanfelice, 1891 (as pub- lished in connection with the binominal combination Plasmodium malariae) (published as a technical designation, not as a trivial name,

and in consequence possessing no status under the Régles)

sexdecimanae Lewkowicz, 1897 (as published in connection with the generic name Haemos-

le

Vou.4

14th Meeting, Paris, July, 1948. 623

poridium) (published as a technical designation, not as a trivial name, and in consequence possessing no status under the Régles)

tertianae Celli & Sanfelice, 1891 (as published in connection with the binominal combination Plasmodium malariae) (published as a technical designation, not as a trivial name, and in conse- quence possessing no status under the Reégles)

tertianae Kruse, 1892 (as published in connection with the binominal combination Plasmodium malariae) (published as a technical designation, not as a trivial name, and in consequence possessing no status under the Régles)

tertianae Lewkowicz, 1897 (as published in connection with the generic name Haemospori- dium) (published as a technical designation, not as a trivial name, and in consequence possessing no status under the Régles)

troptea Koch (erroneously alleged to - have been published in 1899 as a specific trivial name in the binominal combination Plasmodium tropica) (a cheironym possessing no status under the Régles)

undecimanae Lewkowicz, 1897 (as published in connection with the generic name Haemos- poridium) (published as a technical designation, not as a trivial name, and in consequence possessing no status under the Régles)

vigesimotertianae Lewkowicz, 1897 (as pub- lished in connection with the generic name Haemosporidium) (published as a_ technical designation, not as a trivial name, and in consequence possessing no status under the Régles) ;

(13) to place on record their grateful thanks to the protozoologists, bibliographers and other special- ists who, by furnishing information and advice on systematic and bibliographical questions or by supplying photostat copies of rare papers needed in the course of the present investigation into the nomenclature of the human malaria parasites or otherwise, had contributed to the

624 International Commission on Zoological Nomenclature.

Article 14(1)(a) :

on term consisting of an adjective denoting a sub- species or infra- subspecific form of a species,whose trivial name is a noun in the genitive case, declared not to acquire status as a subspecific or infra-subspecific trivial name, if published in grammatical agreement not with the generic name but with the

trivial name:of the species, either expressed or understood .

(Previous reference: Paris Session,

4th Meeting, Conclusion 5)

successful elucidation of the complex problems involved ;

(14) to congratulate Secretary Hemming on the masterly fashion in which he had marshalled the evidence in the light of which the decisions now taken had been reached ;

(15) to render an Opinion recording the decisions

specified in (1) to (12) above.

60. Arising out of the decision recorded in Conclusion 59(5) above, that the terms quartanae, tertianae, etc., used by Celli and Sanfelice, 1891 (in connection with the binominal combination Plasmodium malariae), being adjec- tives in the genitive case in grammatical agreement not with the generic name (as required by Article 14(1) (a)) but with the specific trivial name malariae (a noun in the genitive case), were published as technical designations for the subspecies concerned and that this applied also to the same and other adjectives in grammatical agreement with a specific trivial name, consisting of a noun in the genitive case, understood but not expressed, similarly used by Lewkowicz, 1897 (in connection with the generic name Haemosporidium) and therefore that the Latin adjectives so used possessed no status under the Régles as subspecific trivial names, THE COMMISSION agreed :—

(1) to recommend that words should be inserted in the Reégles to make it clear :—

(a) that the provision relating to the automatic correction of orthographical and other in- fringements of Articles 14-16, 18 and 20, which, at the meeting noted in the margin, it had been agreed to recommend should be inserted in the Régles, did not apply to a case where a subspecific or infra-subspecific form of a species, the trivial name of which consisted of a noun in the genitive case, was denoted by an adjective in grammatical agreement not with the generic name (as required by Article 14) but with the specific trivial name, either expressed or understood ;

that an adjective used in the manner indicated n (a) above for the purpose of distinguishing a subspecies or infra-subspecific form did not acquire thereby the status of a sub- specific, or infra-subspecific, trivial name ;

Ss

a EE aa,

Official List of Specific Trivial Names in Zoology ”: clarification of scope of, in

certain respects

(Previous reference: Paris Session,

9th Meeting, Conclusion 42)

(Previous references: Paris Session,

14th Meeting, Conclusions 24 and 36)

(Previous reference: Paris Session, - 8th Meeting, Conclusion 6)

Vor. 4 me

14th Meeting, Paris, July, 1948. 625

(2) to report to the Section on Nomenclature the recommendation specified in (1) above and the conclusions reached in regard to the nomenclature of the human malaria parasites, as recorded in Con- clusion 59 above ;

(3) to invite the Acting President, in his capacity as Secretary to the Commission, forthwith to submit to the Section on Nomenclature the Report referred to in (2) above.

(The Acting President therewpon submitted. the fore- gowng Report to the Section on Nomenclature.)

61. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that there were two small points in connection with the Official List of Specific Trivial Names in Zoology” on which further clarification was desirable. As this List was intended to provide a means for record- ing the trivial names of species, the nomenclature of which it was desired to stabilise, it would consist mainly of trivial names which had originally been published in binominal combinations. In some cases, however, it happened that the species the name of which it was desired to stabilise (for example because it was the type species of an important genus) had originally been described as a subspecies of some other species. In such a case the trivial name of the species concerned would be a name which had originally been published as a subspecific trivial name as part of a tri- nominal combination. Two such cases had been considered in the course of that evening’s discussions, namely the’ type species of the genus Huchloé Hiibner, [1819] (Class Insecta, Order Lepidoptera) and the type species of Brissus Gray, 1825 (Class Echinoidea, Order Spatangoida). In each of these cases, the Commission had agreed that the trivial name in question should be placed on the Official List”. This was clearly the right course. It was not absolutely clear, however, whether the existing decision in regard to this Official List” covered this class of case. It was desirable therefore that it should be expressly placed on record that in such cases names originally published as subspecific trivial names were eligible for admission to this Official List”. The second point was of a somewhat different kind: it would be remembered that, at the suggestion of Alternate Commissioner Beltran it had been agreed, in concurrence with the Section on Nomenclature, that, where it was decided to stabilise the generic nomencla- ture of a given group of species by means of the Official List of Generic Names in Zoology but there was not full agreement among specialists as to whether more than one

626 International Commission on Zoological Nomenclature.

genus should be recognised for taxonomic purposes, two or more names should be placed on the Official List,” subject to the insertion against the later published of the generic name or names in question of a note that the generic name concerned had been placed on the Official List” for the benefit of those specialists who regarded the type species of the genus so named as generically distinct from the species which was the type species of the genus bearing the oldest of the generic names so placed on the List”. A similar problem would sometimes arise in connection with the Official List of Specific Trivial Names in Zoology ”’, for the Commission would sometimes want to place on that List ”’ a trivial name which was regarded by some specia- lists as the trivial name of a species, but by others as the trivial name of a subspecies of some second species. It was desirable in this case also that it should be made clear in the provisions governing this Official List” that, mutatis mutandis, the principles agreed upon (on the sugges- tion of Alternate Commissioner Beltran) in the case of the Official List of Generic Names in Zoology applied also to the “‘ Official List of Specific Trivial Names in Zoology ”.

IN THE DISCUSSION which followed, it was generally agreed that express provision should be made in the provi- sions governing the Official List of Specific Trivial Names in Zoolegy to meet the two classes of case to which the the Acting President had referred. The view was expressed however that, while this Official List ’’ was intended primarily for recording the trivial names of species, this should not be held to render ineligible for admission to this “List” trivial names, which all specialists were agreed were subspecific trivial names, in cases where, in the opinion of the Commission, there. was some good reason why the trivial name in question should be stabilised in this way. This suggestion won general support and in consequence consideration was given to the question whether the title agreed upon for this Official List” would require to be changed. Much discussion had already taken place at previous meetings in regard to the title to be given to this “* Official List and it was generally felt that the title that had finally been adopted was the most suitable that could be devised. ‘The fact that names regarded by specialists as the trivial names not of species but of subspecies were now to be rendered eligible for admission to this “List was in no way inconsistent with its present title, for from the nomenclatorial point of view, a specific trivial name differed in no way from a subspecific trivial name, the’sole difference between the two classes of name being the subjective taxonomic view taken by specialists regarding

14th Meeting, Paris, July, 1948, 627

the systematic status of the unit represented by the animal so named, that is, whether that unit should be regarded as a species or as a subspecies.

THE COMMISSION agreed :—

(1) to recommend that it should be made clear in the provisions governing the Official List of Specific Trivial Names in Zoology” that, in addition to trivial names which were both originally published as specific trivial names (i.e. as part of a binominal

- combination) and were also currently regarded by specialists as the trivial names of taxonomically valid species, the following classes of names should also be eligible for admission to the foregoing Official List” :—

(a) trivial names originally published as the trivial names of subspecies but now regarded as the trivial names of species ;

(b) trivial names, whether originally published as specific trivial names or as subspecific trivial names, now regarded as sub- specific trivial names :

(2) to recommend that there should be added to the provisions governing the Official List of Specific Trivial Names in Zoology ”’ a provision prescrib- ing that, where the Commission decided to place on the Official List a trivial name regarded as a specific trivial name by some specialists but by others as a subspecific trivial name :—

(a) a note should be inserted against the entry in the Official List to the trivial name in question that it had been placed on the said Official List” without prejudice to the question whether it was a Specific, or a subspecific, trivial name ; and that

(b) in such a case there should at the same time be placed on the Official List the trivial name of the species, of which, in the opinion

* of some specialists, the taxonomic unit bearing the other trivial name was a sub-

species ; (Previous reference: (3) that the extension of the scope of the Official Paris Session, List of Specific Trivial Names in Zoology

oe Medting, specified in (1) and (2) above did not call f 5 1 Specified in (1) and (2) above did not ca or any “ete change in the title which, at the meeting noted in

628 International Commission on Zoological Nomenclature.

Editorial

Committee charged

with the duty of editing the revised text of the

Regles”’: proposals submitted to the Section on Nomenclature in regard to the composition of

(Previous references: Paris Session,

llth Meeting, Conclusions 5(1)(b) and (3))

the margin, it had been agreed should be the title

of the foregoing Official List ;

(4) to report to the Section on Nomenclature the recommendation in regard to the scope of the Official List of Specific Trivial Names in Zoology specified in (1) and (2) above and the conclusion in regard to the title to be given to that Official List specified in (3) above ;

(5) to invite the Acting President, in his capacity as Secretary to the Commission, forthwith to submit to the Section on N omenclature the Report referred to in (4) above.

(The Acting President thereupon submitted the fore- going Report to the Section on Nomenclature.)

62. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) recalled that at the meeting held that day in the forenoon the Commission, in agreement with the Section on Nomenclature, had agreed to substitute for the arrange- ments previously approved for the examination of the draft of the Régles as revised by the present Congress, when received from the jurists, and for the final settlement of any questions which.might arise from that examination (including any questions which might be raised by Com- missioners and Alternate Commissioners who had been in attendance during the Paris Session or, as respects drafting matters, by Commissioners who had not been in such attendance) an arrangement under which the foregoing duties would be assigned to an ad hoc Editorial Committee composed of three Commissioners, including, if so desired, Alternate Commissioners, who had been present throughout the Paris Congress. this Editorial Committee was not a matter which could have been settled at that meeting and it had accordingly been decided that this question should be postponed for considera- tion at a meeting to be held later in the course of the same day. He (the Acting President) had now to report that in accordance with the request addressed to him at the morning meeting, he had held consultations during the day with leading European and American zoologists on the question of the proposals to be submitted in regard to the selection’ of the zoologists to be invited to serve on the Editorial Committee. There was general agreement that the member- ship of this Committee should consist of the Secretary to the Commission and of one European, and one American, member of the Commission. For the European seat, all agreed that it was desirable to secure the services of a zoo-

The question of the composition of .

14th Meeting, Paris, July, 1948. 629

logist, whose mother tongue was French but who was also thoroughly familiar with the English language, for this qualification would be of especial value in ensuring the closest comparison of the draft of the substantive French. text of the Regles with the draft of the English translation of that text. The unanimous view of all the zoologists consulted was that this place should be offered to Professor V. van Straelen (Belgium) who had not only played an important part as an Alternate Member of the Commission, in the reform of the Regles agreed upon during the present Congress, and possessed in an outstanding measure the special quali- fications required, but was also a zoologist of the highest distinction, whose appointment to the Editorial Committee - would be generally acclaimed by European zoologists. Professor van Straelen was unfortunately detained by another engagement elsewhere but he had authorised him (the Acting President) to state that, if it was the general wish of the Commission that he should serve on the Editorial Committee, he would be willing to be nominated for election thereto. For the American seat on the Committee, the American zoologists consulted would have desired to nominate Professor J. Chester Bradley, the senior of the American members of the Commission attending the present Congress, but they realised that this was not practicable, in view of the arrangements made by Professor Chester Bradley to start an extensive tour of Africa shortly after the close of the Congress. The American zoologists accordingly proposed that the American seat on the Editorial Committee should be offered to Professor Robert L. Usinger, who, as an Alter- nate Member of the Commission, had attended all the meetings of the Commission at which the reform of the Régles had been under consideration and had himself played an outstanding part in the discussions leading to the decisions reached. Professor Usinger had indicated that, if so invited by the Commission, he would be willing to be nominated to serve on the Editorial Committee.

IN THE DISCUSSION which ensued, general satis- faction was expressed at the result of the consultations undertaken by the Acting President, the nominations suggested meeting with the approval of all present.

THE COMMISSION agreed :—

(1) to nominate the undermentioned Members and Alternate Members of the Commission, who had been in attendance throughout the Paris Session, to be the members of the Editorial Committee charged with the duty of examining

630 Tntcrnational Commission on Zoological Nomenclature.

the text, when received from the jurists, of the Regles Internationales, as revised by the present Congress, the appointment of which the Section on Nomenclature, in agreement with the Commis- sion, had, at the meeting held in the forenoon of the same day, agreed to recommend for approval by the Congress at the final Conciliwm Plenum to be held on the following day (Tuesday, 27th July 1948) :-—

Commissioner Francis Hemming (United King- dom) (Secretary to the Commission)

Alternate Commissioner V. van _ Straelen (Belgium)

Alternate Commissioner Robert L. Usinger (U.S.A.) ;

_— bo ~~

to report the nominations specified in (1) above, to the Section on Nomenclature, with a request that they be approved and adopted, and with an intimation that, if the said nominations were so approved and adopted, it was the intention of the Commission, with the concurrence of the Section, to insert particulars of the membership of the Editorial Committee in the relevant paragraph of the Report to the Congress which they had them- selves unanimously adopted earlier during the present day and which had subsequently been similarly approved and adopted by the Section for submission to the Congress in Concilium Plenum ;

(3) to invite the Acting President, in his capacity as Secretary to the Commission, forthwith to submit to the Section on Nomenclature the Report referred to in (2) above.

(The Acting President thereupon submitted the fore- going Report to the Section on Nomenclature.)

Report to the 63. THE ACTING PRESIDENT (MR. FRANCIS

Cc k : : sorter med by? ihe HEMMING) recalled that, in accordance with an arrange- Commission ment made that morning, in agreement with the Section,

Haendgt ae he had at the close of the meeting held in the later part of

instalment ~ that afternoon invited the Commission to submit a formal submitted tothe = recommendation to the Section, then sitting jointly with

eoueucters the Commission, that the Section agree that the approval

(Previous reference:

Paris Session, llth Meeting, Conclusion 6 (2))

(Previous reference:

13th Meeting, Conclusion 51))

14th Meeting, Paris, July, 1948. 631

of the recommendations and decisions reached by the Commission signified by the Section at the time when it had approved the Commission’s Report to the Congress should be held to extend also to the recommendations and conclusions reached by the Commission at later meetings held jointly with the Section. The recommendations adopted and the conclusions reached by the Commission during the present meeting had all been reported to the Section on Nomenclature. All that was now necessary was therefore to invite the Section to extend to those recommendations and conclusions the approval which it had signified when approv- ing the Report agreed upon by the Commission for sub- mission to the Congress in Conciliwum Plenum. On the adoption by the Section of a proposal so submitted, all the necessary formal action would have been taken; every recommendation adopted, and every conclusion reached, by the Commission during their present Session would have been reported to the Section ; every such recommendation would have been approved by the Section and covered by the Report submitted to the Congress by the Commission and the Section for approval in Concilium Plenum.

THE COMMISSION agreed :—

(1) to request the Section on Nomenclature, acting under the procedure agreed upon at the meeting held in the forenoon of the same day, to extend the approval then given to the recommendations and conclusions either specified in, or referred to in, the Report then submitted by the Commission for transmission to the Congress, to cover also the recommendations adopted, and the con- clusions reached, by the Commission during their present (fourteenth) meeting and already reported by the Commission to the Section during the course of the said meeting, so that, when the foregoing Report was submitted to the Congress in Concilium Plenum, it should cover the entire

‘field of the work performed by the Commission and the Section during the present Congress ;

(2) to invite the Acting President, in his capacity as

Secretary to the Commission, forthwith to submit

to the Section on Nomenclature the request

specified in (1) above.

~—

(The Acting President thereupon submitted the fore- going request to the Section on Nomenclature.)

632 International Commission on Zoological Nomenclature.

Decisions taken by the Commission in “Opinions and other publications (method to be adopted for recording): consideration of resolution regarding, submitted on behalf of the Committee on Nomenclature of the Smithsonian Institution Washington, D.C.

64. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that earlier during the present Session Professor Robert L. Usinger (U.S.A.) had notified him that the Committee on Nomenclature of the Smithsonian Institution, Washington, D.C. had requested him to submit to the Commission during its Session in Paris a Resolution on the subject of the procedure which, in the opinion of the Committee, was desirable should be followed in preparing texts recording decisions taken by the Commission. On receiving this intimation from Professor Usinger; he had at once assured him that before the close of the Paris Session. he, as the Acting President, would provide an opportunity for Professor Usinger to bring forward his Resolution and for a full discussion to take place on the issues raised. He had added that in the meantime he would be much obliged if Professor Usinger would be good enough to furnish him with a copy of the Resolution which he desired to bring forward, so that he (the Acting President), in his capacity as Secretary to the Commission and there- fore the Officer of the Commission responsible for the recording of decisions taken by the Commission, might have an opportunity of considering the points which it was desired to raise, before the discussion actually took place in the Commission. Professor Usinger had immediately acceded to this request and not long afterwards had handed in the terms of the proposed Resolution. This Resolution was headed: ‘“ Resolution submitted by R. L. Usinger for the Committee on Nomenclature of the Smithsonian Institution: J. Brookes Knight, C. W. Sabrosky, P. W. Oman, C. F. W. Muesebeck, F. A. Chase, and R. KE. Blackwelder.” He (the Acting President) now called upon Professor Usinger to read the Resolution which he had submitted and to make any supplementary explana- tions in regard thereto which he might wish to lay before the Commission.

ALTERNATE COMMISSIONER ROBERT L. USINGER (U.S.A.) then read the following Resolution :—

“Tt is of the utmost importance that all published statements of the International Commission on Zoological Nomenclature carry the full authority of the Commission. This authority can not be the same in the case of Opinions and other publications issued under the ‘‘ agreement in principle” procedure inaugurated at the Lisbon meetings -in 1935 as compared with previous Opinions which were actually seen and voted upon in their final form by the Commission.

“‘ Serious objections have been raised to the new procedure because of uncertainty as to whether or not the published wording carries the actual meaning of the points voted by the Commission. Now that the voting procedure has been liberalised it is even more important and at the same time easier to ensure thet the formal stamp of approval be given to the actual wording of feture publica- tions of the Commission. =

14th Meeting, Paris, July, 1948. 633

** Accordingly it is proposed that in every case the final draft, or in cases where urgency is very great proof sheets of official actions of the Commission be submitted to the full Commission with a rigorous time limit and with authority vested in the Secretary to evaluate the resulting comments and judge whether they should (1) be adopted; (2) be rejected, or (3) be submitted again to the Commission for further consideration.”

Alternate Commissioner Usinger then said that he hoped that the Commission as a body would not think that, in making this proposal, he and his colleagues were in any way opposed to the Commission or were seeking to place difficulties in its path: The reverse was the case. It was because he and those associated with him were firm supporters of international co-operation in the field of zoological nomenclature that they put forward the present proposal, desiring, as they did, to see the position of the Commission strengthened. This aim could, however, in their view, be attained only by the adoption of measures to ensure that the contribution to the work of the Commission actually made by its members was increased to the maximum not only during the meetings of the Congress but also—and especially—during inter-Congress periods. In order to achieve this end, it was desirable that the responsibilities and powers of the Secretary to the Commission should be circumscribed to the fullest extent possible and that that Officer should be given only so much discretion as was absolutely necessary to enable him to give effect to deci- sions previously taken by the Commission. Further, it was desirable that, so far as possible, the Secretary to the Commission should abstain from expressing in print even his personal views on questions of zoological nomenclature. For the publication of such views, even in papers which were clearly marked as personal contributions only, were liable to give rise to misunderstandings (as had happened in Washington in the case of the ‘‘ Editorial Notes attached by the Secretary to the reissues of the older Opinions), since views expressed by the holder of the high Office of Secretary to the Commission inevitably carried great weight, even if they were personal opinions only.

Concluding, Alternate Commissioner Usinger expressed the hope that, for the reasons which he had explained, the Commission would adopt the Resolution which he had proposed, and would accordingly instruct the Secretary to guide his work in future by the principles there laid down.

COMMISSIONER CHESTER BRADLEY (U.8.A.) said that all would agree that it was essential that the wording used in Opinions for recording decisions taken by the Commission should give full effect to the decision taken by the Commission, neither adding anything to it nor sub-

634 International Commission on Zoological Nomenclature.

tracting anything from it. This had always been the practice. There had been no change in this matter at Lisbon and no “agreement in principle” prodecure had then been adopted. The numerous decisions then taken in regard to individual names, many of them on proposals submitted by himself, had all been recorded in the Report then unanimously submitted by the Commission to the Congress; the Opinions subsequently published merely gave effect to the decisions reached at Lisbon. He thought it important—and he felt sure that this was also the view of Secretary Hemming—that during inter-Congress periods as close a touch as possible should be maintained between the

_Secretary’s Office on the one hand and the other members of the Commission on the other. It was equally important however to realise the great difficulties involved in running the Secretariat of the Commission; the volume of work was very great and its despatch depended entirely upon the efforts of the Commission’s spare-time Secretary. He felt confident that Secretary Hemming was fully as anxious as anyone to maintain and develop contacts between himself, as Secretary, and the other members of the Commission during inter-Congress periods. Any practicable proposal for assisting the Secretary in his efforts in this direction would win his (Commissioner Chester Bradley’s) support, but he could not associate himself with a proposal such as that which had been brought forward which, if adopted, would introduce unnecessary additional difficulties in the work of the Secretariat, by unduly limiting the discretion of the Secretary. Even if the proposal submitted by Alter- nate Commissioner Usinger had itself been free from objec- tion, he (Commissioner Chester Bradley) would have felt bound to dissociate himself from the words in which it had been presented to the Commission. It was wrong in principle to speak of instructions being issued by the Commission to their Secretary, such phraseology being altogether mis- placed and unnecessarily harsh. He would however be prepared to give his support to any proposal designed to secure such closer contacts within the Commission as the members of the Commission, including the Secretary, might consider would be helpful. It was, he knew, the desire of the Secretary to foster such contacts and he would, he did not doubt, be willing to extend his existing practice in this matter to the full extent of his power.

COMMISSIONER L. DI CAPORTACCO (ITALY) said that he had no sympathy with the proposal submitted by Alternate Commissioner Usinger. As the permanent members of the Commission were well aware, the present arrangements for the drafting of Opinions made it perfectly

14th Meeting, Paris, July, 1948. 635

clear what was the decision which had been taken by the Commission. No more could reasonably be required. For his part, he considered that the organisation of the Secre- tariat of the Commission was as good as could possibly be expected, having regard to the Commission’s lack of funds and the fact that it had to rely entirely upon the efforts of its spare-time Secretary. The chief defect of the Commission throughout its history had been the extremely slow rate at which it worked. This was due not to any fault in the Secretariat but to the obsolete voting procedure with which the Commission had for so long unnecessarily burdened itself. Fortunately, this gratuitous handicap had been removed by the decision during the present Session to reform the voting procedure, a decision which, it might be hoped, would materially improve the efficiency with which the work of the Commission would in future be performed

ALTERNATE COMMISSIONER E. BELTRAN (MEXICO) associated himself with the views just expressed by Commissioner di Caporiacco.

ALTERNATE COMMISSIONER N. D. RILEY (UNITED KINGDOM) said that he agreed—as indeed everyone was agreed—-that it was desirable that, so far as might be practicable, the Secretary to the Commission should keep the other Commissioners in close touch with the work of the Commission during inter-Congress periods. On the other hand, it was necessary to pay due regard to the very great difficulties, on account both of lack of funds and of lack of time, which confronted the Secretary to the Commission, as a spare-time Officer, in dealing with the very large amount of work which passed through the Secretariat of the Commission. He was opposed therefore. to any procedure which would delay the essential work of the Commission, without conferring any corresponding benefit. As regards the Opinions of the Commission, it was, of course, essential that each should contain clear evidence regarding the terms of the decision actually taken by the Commission. This was fully provided for under the existing procedure. In these circumstances, he could not regard the proposal now before the Commission for a change in procedure as beimg of any practical value. He could not therefore give it his support.

(At this point further discussion took place in regard to the procedure to be adopted for securing the approval, by Commissioners and Alternate Commissioners who had been present during the Paris Congress, of the text

636 International Commission on Zoological Nomenclature.

of the Minutes of the Meetings held by the Commission during its Paris Session, when these were available. The record of this discussion and of the decision reached by the Commission is given in the next following Conclusion.)

COMMISSIONER FRANCIS HEMMING (UNITED KINGDOM) (Secretary to the Commission) said that he had listened with close attention both to the remarks which had fallen from Alternate Commissioner Usinger and also to the subsequent discussion. As regards the former, he felt bound to say that the Resolution that had been submitted was based upon a serious misconception on a question of fact. It was a complete delusion to suppose that either at Lisbon or at any subsequent time the Commission had taken any decision which could be described as an agree- ment in principle” procedure. For his part, he would have been strongly opposed to any such proposal, if it had ever been made. The Commission was a body charged with serious responsibilities and it would be quite wrong for it to adopt a procedure under which the members of the Commis- sion divested themselves of part of their essential responsibi- lities by throwing them upon the shoulders of their Secretary. The actual proposal now submitted was therefore based upon a complete misunderstanding of the actual procedure of the Commission. He was however in general sympathy with the object sought in the Resolution if he was correct in interpreting what Alternate Commissioner Usinger. had said as meaning that he and his associates desired to see the establishment of closer links during inter-Congress periods between the Secretary and the other members of the Commission. This was a matter however in which it was necessary to temper enthusiasm by a due regard tothe hard facts of the situation. The Commission was not a body of whole-time salaried Commissioners, sitting continuously at a single centre, capable at any time of taking prompt decisions on matters submitted to them and possessing a whole-time salaried staff to carry out their decisions. If the Commission were such a body, many questions that were at present dealt with by the Secretary could usefully be referred to the Commission. As every zoologist knew, however, the actual structure of the Commission bore no resemblance to the ideal organisation outlined above. The members of the Commission were busy responsible zoo- logists holding (in most cases) important appointments in scientific institutions in many different parts of the world ; they received no remuneration for the important services which they rendered as Commissioners ; and the time which they devoted to their duties as members of the Commission was time which they voluntarily gave from what would

14th Meeting, Paris, July, 1948. 637

otherwise be their leisure hours. Nor did the Commission possess a whole-time salaried staff to give effect to its decisions ; all that it possessed was a spare-time honorary Secretary. Clearly, therefore, there were limits to the amount of time which the members of the Commission could be expected to give to the discharge of their duties ; equally there was a limit to the amount of time which the Commissioner who held the Office of Secretary could be expected to devote to the duties of that Office. In these circumstances, it was necessary to put first things first : the prime essential was that whatever decision appeared in an Opinion or Declaration was a decision which had been expressly taken by the Commission as a whole either at one of its periodical meetings or by correspondence. Every Opinion or Declaration that had been published during his occupancy of the Office of Secretary had, of course, complied with this requirement. In this matter he had formed the view, when first elected to be Secretary, that the Opinions previously published were defective in form, in that they did not show clearly that the required procedure had been complied with. He had accordingly introduced a form of certificate of verification which he had appended to every Opinion published under his responsibility. In taking this action, he had been criticised as unduly forma- listic by the very group of zoologists who now came forward as the advocates of stricter control over the Secretary. He had always considered that the objections raised to the addition to the Opinions of a certificate of verification were misconceived and the criticisms now advanced from the opposite angle confirmed him in that view. In considering the proposal brought forward by Alternate Commissioner Usinger, it was necessary to bear in mind that there was only a certain amount of time which the Secretary to the Commission could devote (at night and at week-ends) to the work of the Commission : this could be spent in either of two ways, (1) in consulting the members of the Commission in essential matters requiring their decision and for the rest in making such progress as was possible with the scientific work of the Commission ; (2) in consulting members of the Commission not only on matters requiring their decision but on other matters also, to the detriment of the scientific work which the Commission exists to perform. The first of these courses was, in his judgment, the right one; the second, which appeared to be that advocated by Alternate Commissioner Usinger and his friends, the wrong one. If the Commission had shown any disposition to favour the second of these courses, he would have elaborated the grounds on whieh he considered that proposal mischievous and mis- conceived. It was evident however that this was not

NS

638 International Commission on Zoological Nomenclature.

(Previous reference : Paris Session,

6th Meeting, Conclusion 9)

necessary, for the discussion which had taken place on Alternate Commissioner Usinger’s proposal made it evident that it had won no support from the members of the Commission.

Turning to the comments made by Alternate Com- missioner Usinger regarding the Editorial Notes” that he had attached to the reissues of the older Opinions, Secretary Hemming reminded the Commission that, when introducing the proposals for the incorporation in the Régles of the decisions embodied in the Opinions, he had pointed out that a minor incidental advantage of the course recommended was that it would eliminate the need for “* Editorial Notes of the kind to which Alternate Commis- sioner Usinger had referred, by depriving these Opinions of all except historical interest and importance. At the time when these “‘ Editorial Notes had been published, he had considered—-and he remained of the same opinion— that it would have been indefensible to republish those Opinions without commentaries of the kind*provided, for many of those Opinions had been rendered out of date and, in the absence of adequate explanations, positively misleading as the result of the failure of the Commission over a long period to keep their Opinions up-to-date in the light of subsequent events, such as the changes introduced into Article 25 by the Budapest Congress of 1927. Further, as the Commission now realised, there were cases where deci- sions taken by the Commission at one date were inconsistent with decisions already given. In these cases also (such as that presented by the generic name Jaenia Linnaeus), it would have been quite wrong to republish the old Opinions without comment. It would, he agreed, have been better if these “‘ Editorial Notes could have been published under the express authority of the Commission, but that was not practicable at the time when the reissues in question appeared. In actual fact, no harm had been done, for, as the Commission was aware, they had during the present Session decided to incorporate in the Régles provisions which gave effect to the comments made in those Notes and, as regards those which dealt with individual cases of zoological nomenclature, to take action on the matters there raised.

Summing up his views on the subject raised by Alter- nate Commissioner Usinger, Secretary Hemming repeated that, so long as he remained Secretary to the Commission, every necessary step would be taken to ensure that, as in the past, decisions recorded in Opinions and Declarations conformed scrupulously in every respect with the décisions actually taken by the members of the Commission. As

—— ti (i alr

Vou.4n.

14th Meeting, Paris, July, 1948. 639

regards other matters, he must be allowed to retain his present discretion as regards what matters should be put to the Commission for decision and what matters could properly be decided on their behalf by himself as Secretary. He fully shared the view that it was desirable that every- thing possible should be done by himself to keep the other members of the Commission fully informed regarding the state of work of the Commission during inter-Congress periods ; he paid tribute in this connection to the under- standing and constructive spirit by which the suggestions made by Commissioner Chester Bradley were inspired. Taking up that suggestion, he (Secretary Hemming) would be prepared, if all those present did likewise, to vote in favour of a resolution which first took note of the existing procedure for securing the prior approval of members of the Commission on all matters relating to decisions recorded in Opinions and Declarations, and, second, invited the Secretary to the Commission to do everything which, having regard to the difficulties inevitably involved in operating the Secretariat of the Commission in the absence of an assured income and without qualified whole-time salaried officials, was, in his opinion, practicable to extend and formalise the existing procedure, (a) for seeking the advice of members of the Commission, (b) for consulting them on minor, as well as on major, matters, as these arose, and (c) for keeping them informed generally of the progress of the work of the Secretariat of the Commission. If Alternate Commissioner Usinger were to find a decision

of this kind acceptable and were accordingly to ask leave

to withdraw the proposal which he had himself placed before the Commission, he (Secretary Hemming), as Acting President, would then put this alternative pro- posal to the Commission as an alternative motion. If however Alternate Commissioner Usinger desired an express decision by the Commission on his own proposal, then he (the Acting President) would put his alternative proposal to the Commission as an amendment to the proposal sub- mitted by Alternate Commissioner Usinger. If that amend- ment were to be adopted by the Commission, that adoption would carry with it automatically the rejection of Alternate Commissioner Usinger’s proposal. If on the other hand the amendment were to be defeated, the next step would be for the Commission to take a straight vote on Alternate Commissioner Usinger’s proposal.

ALTERNATE COMMISSIONER ROBERT L. USINGER (U.8.A.) intimated that in the circumstances he did not wish to pursue the proposal under discussion to the extent of asking the Comntission to take a vote upon it. He was prepared to accept the amendment which, on the

640 International Commission on Zoological Nomenclature.

suggestion of Commissioner Chester Bradley, the Acting President had just outlined.

THE ACTING PRESIDENT said that the statement just made by Alternate Commissioner Usinger cleared the air. It was, therefore, now possible formally to put to the Commission, as a substantive motion, the proposal embody- ing Commissioner Chester Bradley’s suggestion which he had outlined a few minutes earlier. This he accordingly now did.

THE COMMISSION thereupon unanimously agreed :—

(1) to take note of the procedure already in force for ensuring that the wording of decisions recorded in the Opinions and Declarations published in their name was such as clearly to indicate the precise terms agreed upon by the Commission, when taking the decision in question ;

(2) to defer until the next item the decision to be taken in regard to the arrangements to be made to ensure that the draft of the Minutes of the Meetings held by the Commission during its Paris Session, when prepared by the Secretary after the close of the Congress, were concurred in by the Com- missioners and Alternate Commissioners who had attended the Paris Congress, as constituting a full and accurate account of the decisions then taken ;

(3) to invite the Secretary to the Commission to do everything which, having regard to the difficulties inevitably involved in operating the Secretariat of the Commission in the absence of an assured income and without qualified whole-time salaried officials, was, in his opinion, practicable to extend and formalise the existing procedure, (a) for seeking the advice of members of the Commission, (b) for consulting members of the Commission on minor, as well as on major, matters, as these

: ae arose, and (c) for keeping them informed generally of the progress of the work of the Secretariat of the Commisssion. A

Minato ifthe 65. As recorded in Conclusion 64 above, a discussion Meetings of the took place in the Commission regarding the nature of the a ay cod procedure to be adopted to ensure that the draft of the arrangements to. Minutes of the Meetings of the Commission held during its be made for Paris Session, when prepared by the Secretary to the

finalising the text of (mission after the close of the Congress, were concurred in by the Commissioners and Alternate Commissioners who

Vou. 4 n2

14th Meeting, Paris, July, 1948. 641

had attended the Paris Congress, as constituting a full and accurate account of the decisions then taken.

There was general agreement that adequate time should be provided to enable Commissioners and Alternate Commissioners who had attended the Paris Congress to study carefully the draft of the Minutes of the Meetings of the Commission held during that Session. This was particularly necessary in“view of the large number aad important character of the decisions taken. In the majority of cases full material in the form of the Papers of the I.C.(48) Series was already in the hands of Commissioners and Alternate Commissioners to enable them to satisfy them- selves of the accuracy of the record prepared and it would only be necessary for them to make sure that any amendments agreed upon in discussion had been duly recorded. In some cases, however, the Commission had taken equally definite decisions but. had agreed that, in view of the complexity of the drafting involved, it should be left to the Secretary to prepare, after the close of the Congress, a form of words which would give effect to the

. decision so taken. Special care would need to be taken in

these cases to ensure that the wording, so prepared, did in fact give full effect to the decisions taken by the Com- mission. ;

There was general agreement also that, in view of the importance of avoiding any unnecessary delay in publish- ing the Minutes of the Paris Meetings of the Commission and thus making known to zoologists generally the important decisions which had been reached, the time to be granted to Commissioners and Alternate Commissioners for examining the draft Minutes should be no more than was required for that purpose.

It Wwas recalled that in the Resolution on a kindred subject which had been moved by Alternate Commissioner Usinger in the discussion recorded in the preceding Conclu- sion (Conclusion 64), it had been suggested that in cases of urgency matters requiring the approval of Commissioners should be circulated in proof form and under a rigorous time limit and that discretion should be given to the Secretary to the Commission as to the manner in which any suggested amendment should be dealt with. In the course of the discussion the Secretary to the Commission intimated that he concurred in that proposal, in relation to the present matter, and invited Commissioners and

. Alternate Commissioners present to indicate what, in their

view, that time limit should be. He added that he proposed to despatch the draft minutes by airmail and he accordingly suggested that it should be on this basis that the Com-

‘642

International Commission on Zoological Nomenclature. .

mission should consider the question of the time limit to be fixed.

In reply to a question by the Acting President, ALTER- NATE COMMISSIONER ROBERT L. USINGER (U.S.A). said that, as the drafts were to be despatched by oat. and since none of the Commissioners or Alternate Commis- sioners who had attended the meeting lived in Australia or the Far Hast—the most distant from London being in California, a time limit of one month would, in his opinion, be adequate. General agreement was expressed with this view.

THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that this was an important matter and it was essential that there should be no room afterwards for misunderstanding in any quarter as to exactly what had been agreed upon. The draft minutes would be despatched to all Commissioners and Alternate Commissioners on the same day, those despatched to addresses outside the United Kingdom being despatched by airmail. The period within which comments were returnable would be one month from the date of posting and this would be. made clear in a covering note despatched at the same time. The expres- sion ‘‘one month” should be defined clearly, either as a four-week period or as a calendar month. At the conclusion of the time limit, immediate steps would be taken to deal with any amendments or corrections suggested, with a view to the publication of the Minutes in the Bulletin of Zoological Nomenclature” at the earliest possible date. There must be a clear understanding, therefore, as to the action to be taken in the event of suggestions being received after the expiry of the time limit.

Tn response to a request for his views on these questions addressed to him by the Acting President, ALTERNATE COMMISSIONER USINGER (U.S.A.) said that it was a matter of indifference to him whether the expression one month” for the present purpose was taken to mean a ““4-week period or ‘‘ one calendar month.” Perhaps the latter, as the easiest to calculate, was to be preferred. As regards the second point raised by the Acting President, he agreed that, after the expiry of the time limit, the Secretary should be free to press on with the publication of the Minutes as rapidly as possible. Subject to this, however, consideration should be given to any constructive suggestions that might be received after the appointed date.

THE COMMISSION agreed :— (1) that the draft of the Minutes of the Meetings of the Commission held during its Paris (1948) Session, when prepared by the Secretary to the

(Previous reference: Paris Session,

12th Meeting, Conclusion 26)

14th Meeting, Paris, July, 1948. 643

(4

(6

~~

~~

~~

Commission, should be printed in readiness for publication in the Bulletin of Zoological Nomen- clature ”, as already decided upon by the Section on Nomenclature on receiving the recommenda- tion on this subject submitted by the Commission :

that, as soon as proofs of the draft minutes, prepared in accordance with (1) above, were available, one copy should be despatched, for approval, to each Commissioner and Alternate Commissioner who had attended the Paris Con- gress, copies addressed to places situated outside the United Kingdom being despatched by airmail ;

that a period of one calendar month, calculated from the date of mailing, should be allowed, within which the Commissioners and Alternate Commis- sioners concerned would be free to furnish to the Secretary to the Commission any suggestions for the amendment of the draft Minutes, when communicated to them under (2) above, such Suggestions to be received not later than the last day of the period specified above and that a note reminding Commissioners and Alternate Commis- sioners of this decision should be included with the draft Minutes, when ‘despatched to them in accordance with the procedure specified in (2) above ;

that the Secretary to the Commission should be authorised to use his discretion either to accept, in whole or in part, or to reject, suggestions received by him under the procedure specified in (3) above ;

that, immediately upon the expiry of the time limit specified in (3) above, the Secretary to the Commission should deal, in the manner specified in (4) above, with any suggestions received prior to that date from Commissioners and Alternate Commissioners, who had attended the Paris Session, and, having done so, should communicate the Minutes of the ‘Meeting of the Commission held in Paris, so determined, to the International Trust for Zoological Nomenclature, with a request that the Trust take immediate steps to arrange for the publication of the said Minutes in the Bulletin of Zoological Nomenclature ;

that notwithstanding the provisions of (5) above, the Secretary should be free to consider and give effect to suggestions received after the date

644 International Commission on Zoological Nomenclature.

Thanks of the Commission to those members of the Congress who had served as Alternate Members of the Commission during its Paris Session

specified in (3) above, provided that this did not entail any delay in the publication of the said Minutes.

66. THE ACTING PRESIDENT (MR. FRANCIS HEMMING), speaking in the name of the Permanent Members of the Commission, said that he felt sure that it would be the wish not only of those Commissioners who had attended the Paris Session of the Commission but also of those Members of the Commission who unhappily had been prevented, for one reason or another, from taking their places during the Paris Session to express both corporately and individually their thanks to the distinguished zoologists who had consented to assist the work of the Commission by serving as Alternate Members of the Commission during the present Congress. The Commission was greatly indebted to the Alternate Members of the Commission, many of whom had devoted long hours to the proceedings of the Commission, often at considerable personal inconvenience and always at the cost of not participating in the other activities of the Congress.

Without question put, THE PERMANENT MEMBERS OF THE COMMISSION present thereupon agreed :—

(1) that the warm thanks of the Commission be accorded to those members of the Thirteenth International Congress of Zoology who had served as Alternate Members of the Commission during the- present (Paris) Session for the valuable assistance which they had so rendered to the work of the Commission ;

(2) that the foregoing resolution be reported to the Section on Nomenclature, in order to give the Section an opportunity of associating itself with the expression of thanks to the Alternate Members of the Commission so recorded by the Permanent Com- missioners ; ~

(3) to invite the Acting President, in-his capacity as Secretary to the Commission both to convey the thanks of the Commission to the Alternate Members

of the Commission and also to report to the Section

on Nomenclature the Resolution adopted by the Commission on this subject.

(The Acting President thereupon conveyed to the Alter- nate Members of the Commission present the Resolution just adopted by the Permanent Members of the Commission and reported it also to the Section on Nomenclature.)

“Rising Vote of Thanks to Commissioner Francis Hemming for his services as Secretary to the

14th Meeting, Paris, J uly, 1948, 645

(At this point Commissioner J. Chester Bradley (U.S.A.) rose in his place and said that he had a proposal which he desired to bring before the Commission regarding the services rendered by Commissioner Francis Hemming im the discharge of his duties both as Secretary to the Commission and as Acting President of the Commission during its Paris Session.)

(In accordance with Commissioner Chester Bradley’ s request, Secretary Hemming then vacated the Presidential Chair, which, on: the invitation of the Commission was thereupon taken by Alternate Commissioner Harold

Kirby (U.S.A.).)

67. COMMISSIONER J. CHESTER BRADLEY (U.S.A.) said that it would be the wish of the members of the Commission, including those who owing to other

Commission and as engagements had been unable to attend this evening's

Acting President of the Commission during its

Paris Session

meeting, to place on record their gratitude to Commissioner

and during the Paris Session -he had given to secure that the work of the Commission at that Session should be as fruitful as possible. Mr. Hemming’s work as the Secretary to the Commission was well known to every zoologist who

thanks to Mr. Hemming, to join with his name that of his wife, who, as they knew, combined with her duties as a wife those of a highly skilled and indefatigable personal assistant.

the Commission and as its Acting President during the present Session by giving him a Rising Vote of Thanks and that. in doing so, they should ask him to convey to Mrs,

646 International Commission on Zoological Nomenclature.

Hemming their thanks also for the work which she had done to help to make the work of the Commission a success.

Thereupon, without question put, all the members of the Commission, together with the other members of the Section on Nomenclature present, rose in their places and gave Mr. Hemming a Rising Vote of Thanks for’ the services which he had rendered both as the Secretary to the Com- mission and, during the present Session, as Acting President, at the same time associating themselves with . the tribute paid to him on their behalf by Commissioner Chester Bradley and asking him to convey their thanks also to Mrs. Hemming.

COMMISSIONER FRANCIS HEMMING said that he desired express his gratitude for the Rising Vote of Thanks which the Commission had just been good enough to give for his work as their Secretary and, during their present Session, as their Acting President, and, in particular to thank Commissioner Chester Bradley for the flattering terms in which he had made his proposal to the Commission. The duties of the President of the Commission were highly responsible at any meeting of the Commission, for it fell to him so to discharge his Office as to ensure a full opportunity to every member of the Commission, and, at public meetings of the Commission, to every member of the Congress, to express his views on questions brought before the Commis- sion, while -at the same time securing also that the whole programme of the Commission should be duly completed in the limited time available. At the present Congress these duties had been particularly onerous, both because of the long interval of thirteen years which had elapsed since the last Session of the Commission and because of the large number and important character of the problems awaiting the attention of the Commission. That the Commission had been successful in completing their consideration of all the questions brought before them was due mainly to the whole-hearted spirit in which they had addressed themselves to their task, to the co-operative spirit shown from the outset by all the Members of the Commission, and to the ready willingness which they had evinced to bring hard work, and to devote long hours, to the service of the Commission. All had been inspired to do everything in their power to contribute to the common goal and it was this spirit which had made it possible for the Commission to reach all its decisions by unanimity, and to achieve the large measure of definite progress in the development of zoological nomenclature, for which the present Session of the Commission and the present Congress would always be remembered.

Vote of Thanks

to the Secretary-General of the Congress and to the Authorities of the Congress generally

14th Meeting, Paris, July, 1948. ; 647

Commissioner Hemming added that he had been much touched and greatly gratified at the reference which had been made to the great help rendered to him by his wife. He would gladly convey to her the message which had been entrusted to him by the Commission. He was very happy to have this opportunity himself*to pay tribute to the con- stant help and encouragement given to him by his wife.

(At this point Alternate Commissioner Harold Kirby left the Presidential Chair which was resumed by Secretary Francis Hemming.)

68. THE ACTING PRESIDENT (MR. FRANCIS HEMMING) said that he felt sure that, before the Com- mission dispersed, they would wish to express their thanks to the Secretary-General of the Congress for the admirable arrangements which he had made for the meetings of the Commission during the present Congress. Never before probably and possibly never again would the Commission assemble in so distinguished a meeting place as the Amphi- théatre Louis-Liard of the famous Sorbonne. The action . of the Secretary-General in placing this room at the exclusive disposal of the Commission had been of the most inestimable value during the present Session, for that action alone had rendered it possible for the Commission to meet almost continuously during the past week. It had also been of the greatest convenience for all those members of the Section on Nomenclature who had wished to attend the public meetings of the Commission, for they had known from the outset where they would always fifid the Commission when in session. The Commission would wish also at the same time to record their gratitude to their French hosts for the arrangements made for their entertainment and for the hospitality extended to them during their visit to Paris. This,had made the Congress not only of outstanding import- ance in the scientific field but also the occasion for the happiest memories for all who had attended it.

THE COMMISSION agreed :—

(1) to express their thanks to Professor E. Fischer- Piette, Secretary-General to the Thirteenth International Congress of Zoology for theadmirable arrangements made by him for the meetings of the Commission during its Paris Session ;

(2) to record their gratitude to their French hosts for the arrangements made for their entertainment and for the hospitality extended to them during their visit to Paris,

648 International Commission on Zoological Nomenclature.

Close of the ad 69. THE ACTING PRESIDENT (MR. FRANCIS Proceedings of the ~HEMMING) said that the Commission had now completed Paris Session the whole of its business and it only remained for him once more to thank the Commission for the kindness which they had shown to him in the porte of his duties as their

Acting President.

THE ACTING PRESIDENT then pronounced the Paris Session of the Commission to be closed.

(The Paris Session of the International Commission on Zoological Nomenclature thereupon terminated at 0045 hours on Tuesday, 27th July 1948.)

15th Meeting, Paris, July, 1948. 649

INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE

Session held during the Thirteenth International Congress of Zoology, Paris, 21st-27th July, 1948

Note or a Decision taken at an Informal (Fifteenth) Meeting held at the Hotel Lutetia, Paris, at the concluson of the Final Banquet of the Congress on Tuesday, 27th July, 1948 at 2215 hours.

The following took part in the consultation recorded below:

Mr. Francis Hemming (United Kingdom) (Acting President) Professor E. Beltran (Mexico) Professor H. Boschma (Netherlands) Professor J. Chester Bradley (U.S.A.) Professor L. di Caporiacco (Italy)

Dr. E. Hindle (United Kingdom) Professor Harold Kirby (U.S.A.)

Dr. Henning Lemche (Denmark) Professor Z. P. Metcalf (U.S.A.)

Mr. N. D. Riley (United Kingdom) Professor R. Spirck (Denmark) Professor V. van Straelen (Belgium) Professor Robert L. Usinger (U.S.A.)

The following other Member of the Section on Nomenclature was also consulted:

Dr. HE. A. Chapin (U.S.A.)

The following was also present:

Mrs. M. F. W. Hemming, Personal Assistant to the Secretary.

‘Communique on 1. MR. FRANCIS HEMMING (ACTING PRESI- aerate devin DENT) and Mrs. M. F. W. Hemming (Personal Assistant

the Thirteenth to the Secretary to the Commission) handed to each of the International Con- (Commissioners and other zoologists named above a copy of

sated a the draft of a communiqué prepared during the day by

650 International Commission on Zoological Nomenclature.

scientific press of the world: ; manta! of terms °

Secretary Hemming for issue to the scientific press of the world setting out the principal decisions in regard to the development of zoological nomenclature taken by the Thirteenth International Congress of Zoology on the unani- mous advice of the International Commission on Zoological Nomenclature and of the Section on Nomenclature of the Congress. Several requests for such a Communiqué had already been received by the Secretary to the Commission. Secretary Hemming had every sympathy with these requests and considered that they should be granted. He was of the opinion, however, that the terms of the Communiqué so to be issued should be approved by the Commission and not issued under his personal authority only. He had accordingly prepared during the course of the afternoon the draft now distributed to the Members of the Commission attending the Final Banquet of the Congress and also to Dr. E. A. Chapin (U.8.A.). Each of the Commissioners and other zoologists so consulted was asked to study the draft Communiqué ‘carefully and to inform the Secretary to the Commission whether he agreed that it contained an accurate account of the principal decisions in regard to zoological nomenclature taken during the Congress and, if so, whether he concurred in the issue to the scientific press of the world of a Communiqué in the terms proposed.

Each of the Commissioners and other zoologists consulted agreed that the Communiqué was a correct record of the action taken by the Commission and the Congress and associated himself in taking responsibility for the issue of the Communiqué in the name of the Commission and the Congress. One or two Commissioners drew attention to typing errors in the copies circulated or offered suggestions for minor drafting changes. The Secretary to the Commis- sion undertook to take account of these suggestions.

THE COMMISSION :—

(1) approved, subject to certain minor drafting suggestions, the terms of the draft Communiqué respecting the principal decisions in regard to tle development of zoological nomenclature taken by the Thirteenth International Congress

of Zoology on the unanimous advice of the Inter- .

national Commission on Zoological Nomenclature and of the Section on Nomenclature, prepared by the Secretary to the Commission for issue to the scientific press of the world in the name of, and by the authority of, the Commission ;

15th Meeting, Paris, July, 1948. 651

(2) authorised and requested the Secretary to the Commission forthwith to issue in their name a Communiqué to the scientific press of the world in the terms of the draft approved in (1) above,

Lhe Secretary to ‘the Commission accordingly undertook to issue to the scientific press of the world the Communiqué Just approved by the Commission, ummediately wpon his return to London, as soon as arrangements could be made for the preparation of the necessary number of copies.

PURCHASED 26 JUN Wee

THANKS TO U.N.ES.C.O. | "

The International Trust for Zoological Nomenclature, on behalf of the International Commission on Zoological Nomenclature, have great pleasure in expressing their grateful thanks to the UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ~— ORGANISATION (U.N.E.S.C.O.) for the financial assistance afforded towards the cost of producing the present volume. a

3

BULLETIN OF ZOOLOGICAL NOMENCLATURE

Notice to subscribers regarding the arrangements made for the completion of volume 1 and for the publication of volumes 2, 3, 4 and 5

of the Bulletin of Zoological Nomenclature and for the publication of volumes 2, 3, 4and 5 :—

Volume 1: A concluding Part (Part 12), containing, inter alia, the Title Page, Table of Contents, and alphabetical subject index, will be published shortly.

Volume 2: This volume, like Volume 1, will be devoted to the publica- tion of applications in regard to nomenclatorial problems submitted by specialists to the International Commission on Zoological Nomen- clature for decision. Publication will commence at an early date.

The following arrangements have been made for completing volume 1 4 F ; k 4 =

Volume 3: This volume, which is now complete in 9 Parts, is devoted to the publication of the memoranda, reports and other docu- ments considered by the International Commission on Zoological Nomenclature and by the Section on Nomenclature of the Thirteenth International Congress of Zoology at their meetings held in Paris in July 1948.

Volume 4: This volume is devoted to the publication of the Official Record of Proceedings of the International Commission on Zoological Nomenclature at its Session held in Paris in Fuly 1948. Twenty-one a Parts have been published and this volume is now complete except for the index which will be published in a concluding Part.

Volume 5: At the request of the Bureau of the Thirteenth International Congress of Zoology, this volume will be devoted to the publication of the Official Record of Proceedings of the Section on Nomenclature of the Thirteenth International Congress of Zoology, Paris, Fuly 1948, together with the Reports submitted to the Congress by the Inter- of national Commission on Zoological Nomenclature and the Section on Nomenclature.

INQUIRIES

All inquiries regarding publications should be addressed to the International Trust for Zoological Nomenclature, and all inquiries regarding the scientific work the Commission to the Secretary to the Commission at the following addresses :-

International Trust for Zoological Nomenclature: 41, Queen’s London, S.W.7, England.

International Commission on Zoological Nomenclature : Secretariat fs the Commission, 28 Park Village East, Regent’s Park, London, N.W.1, England.

Printed in Great Britain by Metcuim AND Son, Lrp., Westminster London

"VOLUME 4. Parts 22/24 29th November, 1950 Da pp. 653-760,

THE BULLETIN OF ZOOLOGICAL NOMENCLATURE

The Official Organ of THE INTERNATIONAL COMMISSION ON EGO OLOGICAL NOMENCLATURE ayRCns Ea NOY 1350 Edited by ————s FRANCIS HEMMING, C.M.G., C.B.E.

Secretary to the International Commission on Zoological Nomenclature.

CONTENTS :

Page

The Official Record of Proceedings of the International Commission

on Zoological Nomenclature at its Session held in Paris in Fuly

948 :

Certification of the text of the Official Record of Proceedings : Supplementary Note by the Secretary to the Commission 653 Corrigenda 654 Index .. 655-760

Particulars of dates of publication of the several Parts in which the present volume was published ., rs 7 760

LONDON :

Printed by Order of the International Commission on Zoological Nomenclature on instructions received from the Thirteenth

International Congress of Zoology, Paris, 1948,

and Sold on behalf of the International Commission by the International Trust for Zoological Nomenclature at the Publications Office of the Trust 41, Queen’s Gate, London, S.W.7.

1950

Price One pound, twelve shillings, (All rights reserved)

Bulletin of Zoological Nomenclature 653

CERTIFICATION OF THE TEXT OF THE OFFICIAL RECORD OF PROCEEDINGS OF THE INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE AT ITS SESSION OF MEETINGS HELD IN PARIS IN JULY 1948

Supplementary Note by the Secretary to the Commission

In the introductory portion to the present volume (pp. xiii-xv) I recalled the arrangements for securing an agreed text of the Official Record of the Proceedings of the Commission during its Paris Session of Meetings, made by the Commission in Paris in July 1948 and approved by the Section on Nomenclature of the Thirteenth International Congress of Zoology, and set out the steps which subsequently I had taken in compliance with the foregoing decisions. I explained (p. xiv) that of the fifteen (15) Commissioners and Alternate Commissioners who had been present at the Paris Session fourteen (14) had signified their concurrence in, and approval of, the text as published in the present volume. I added that, in spite of repeated efforts I had been unable to obtain a reply from the fifteenth member concerned, Alternate Commissioner E. Beltran (Mexico), who, I assumed, must be either ill or away from his home.

In supplement to the information summarised above, I have now to report that today (13th June 1950) I received by airmail a letter, dated 9th June 1950, in which, after explaining that, until a few weeks ago, he had been away from Mexico City and inaccessible for mail, Alternate Commissioner Beltran stated that he had now examined the draft of the Official Record of Proceedings of the Commission in Paris and found himself in full agreement with the text submitted.

With the receipt of Alternate Commissioner Beltran’s letter, replies have now been received from all the fifteen (15) Members and Alternate Members of the International Commission on Zoological Nomenclature who attended the Meetings of the Commission held in Paris in July 1948 during the sittings of the Thirteenth International Congress of Zoology. The Official Record of Proceedings of the Commission at its Paris Session, as published in the present volume, have accordingly now been approved by all the Members and Alternate Members of the Commission who attended that Session.

FRANCIS HEMMING

Secretary to the International Commission on Zoological Nomenclature

Secretariat of the Commission : 28 Park Villiage East, Regent’s Park, London, N.W.1. England.

13th June, 1950.

654

Bulletin of Zoological Nomenciature

CORRIGENDA

Fifth line from foot of page: substitute 1938-1939 for 1939”. Line 18: substitute “19” for “21”. Fifth line from foot of page :

(1) At beginning of line, insert heading (b) ”.

(2) Before word insertion insert word “‘ the”.

First side heading, line 3: substitute “190 and 191” for and 190”. line 13: substitute “‘ Opinions 190 and” for ‘‘ Opinion”.

Fifteenth line from foot of page: substitute prénom for prenom Line 2: substitute “1871 ”’ for [1871].

.

INDEX

abietum Bergroth, 1914, Gastrodes, designated under the plenary powers to be the type species of Gastrodes Westwood, 1840; placed on the Official List of Specific Trivial Names in Zoology OF ip Be Hf Pee <p $6 Te Av

Abrocoma Waterhouse, 1837, see Chinchilla Bennett, 1829.

Acarus datus Hermann, 1804, an invalid homonym of Acarus alatus Schrank, 1803, although the latter a nomen dubiwm ie He Be re a ri iC ne

aceris Esper [1783] (as published in the binominal combination Papilio aceris) gee on the “* Official List of Specific Trivial Names in Zoology ”’ bie Hic Bi

Acme Hartmann, 1821, an available name and under no necessity to be amended to Acmea Acmea Hartmann, 1821, an available name and not an emendation of Acme Hartmann, 1821

Acmea Hartmann, 1821, and Acmaca Kschscholtz, 1830, declared not to be homonyms of one another but so close as to cause confusion in group concerned ; specialists to be consulted by Secretary on question whether, in order to avoid confusion, Acmea Hart- mann, 1821, should be suppressed under the plenary powers thereby rendering Truncatella Risso, 1826, available for that genus, and at the same time retaining Acmaea Eschscholtz, 1830, in its accustomed sense :

Actinote Hiibner [1819], Papilio thalia Linnaeus, 1758, designated under the plenary powers to be the type species of ; placed on the ‘* Official List of Generic Names in Zoology

aegyptiellus, a trivial name published conditionally by Strand in 1909 for an Egyptian subspecies of Halictus morbillosus Kirchbaumer, 1873, to be attributed to Strand and to take priority as from 1909, the year in which it was published by that author aie

Aestivo-autumnal Malaria Parasite, see Malignant Tertian Malaria Parasite.

Agriades Hiibner, [1819], placed on the * Official List of Generic Names in Zoology” (type species designated under the plenary powers : Papilio glandon Prunner, 1798) .. ae

agrorum Fabricius, 1787 (as published in the binominal combination Apis agrorum), application for the use of the plenary ula to determine the use of, deferred for further information to be obtained “ne

alatus Hartmann, 1804 (as published in the binominal combination Acarus alatus) a junior homonym of alaius Schrank, 1803 (as published in the binomina] combination Acarus alatus) and, as such, to be rejected, it being irrelevant for the purposes of the Régles that the name Acarus alatus Schrank is (or is regarded by some specialists as) a nomen dubium

Alea Linnaeus, 1758, placed on the ~ Official List of Generic Names in pe / me species, by absolute tautonymy : Alca torda Linnaeus, 1758)

alceae Esper, [1780], (as published in the binominal combination se 4: gen placed on the ‘‘ Official List of Specific Trivial Names in Zoology” .. Z te ar

Page

473

398

458

391

391

391

394

484

417

398

581

485

656 Bulletin of

Page Alydus Fabricius, 1803, validated under the plenary powers ; placed on the Official List of Generic Names in Zoology Dicks ee selected a eee 1831: Cimex calcaratus Linnaeus, 1758) = a ae) ee Amaral, Commissioner Afranio do, absence of, from Paris Session .. ae ae sre 3)

election of, in 1937, as a Commissioner vice Commissioner Anton Handlirsch (resigned) . . 15 appointment of, to Class 1953 on expiry of term of service of Class 1943 .. a pr 13 nomination of, to be Vice-President in succession to Vice-President James L. Peters,

nominated to be President . . ws ps oe ee ale iy’ 5 2s Zones

amendment of Régles, introduction of an Article governing procedure in relation to, see Régles, etc., New Article (21).

Ammonia Briinnich, 1771, Secretary to submit Reporton .. aS SF es or 313

Amplypterus Hiibner, [1819], S Sp hina panopus Cramer, [1779] declared to be the type species of, by selection by Kirby, sek placed on the Official List of Generic Names in Zoology a3 ; - a A ae ae ae Pe ob}

ampulla Linnaeus, 1758, Bulla, designated under plenary powers to be the type species of Bulla Linnaeus, 1758 ; pees on the Official List of Specific Trivial Names in Zoology” 305

annulatum, commonly treated as having been published by Dschunkowsky & Luhs in the binominal combination Piroplasma annulatum, provisionally to be treated as having been published in 1905 ae a 46 sae ae oh a3 a fe >. 432

Sergent in error in rejecting, on aes that, when first published, it was the name of a composite species... a2 ss Ac Be ae Se ore 432-433 |

species to which applies, determined by Witenberg (1947) under Article 31 x2 Biches 12.

anonymously published names cnet names et over eae or initials only), definition of status of .. Ss a i ar , : ie 213-215

antillarum Kirkaldy, 1909, Cimex, designated under the plenary powers to be the type

species of Tetyra ivaeeea: 1803 ; eet on the “‘ Official List of ieee Trivial Names Zoology 44 474 Apatura Fabricius, 1807, validated under the plenary powers ac oe ate -. 486

placed on the Official List of Generic Names in Sic ? (type species selected by Curtis, 1831: Papilio iris Linnaeus, 1758) : at Ae an ) Seon

Apatura [Illiger}, 1807, suppressed under the plenary La tpde ; plese on the “* Official Index of Rejected and Invalid Generic Names in Zoology ste oa 456

Aplysia, the valid emended form of Leplysia Linnaeus, 1767 . . dy at Le -. 302

Aplysia Linnaeus, 1767, Aplysia depilans, Gmelin, 1791, designated, under the plenary powers, to be the type species of —.. aA 301-304

placed on the “* Official List of Generic Names in Zoology ”’. . By ae At .. 303

Zoological Nomenclature

Aplysiella Fischer, 1872, Secretary to confer with specialists for the purpose of ascertaining whether confusion would result if this name were to be replaced by Petalifera Gray, 1847

Appendice to Régles to be converted into a Schedule see Régles, ete, Appendice. Apstein, Commissioner Karl, resignation of, reported . .

Aquarius Schellenberg, 1800, Cimex najas De Geer, 1773, designated under the plenary powers to be the type species of; placed on the Official List of Generic Names in Zoology a ae oe Se : . Mic

aquatica Linnaeus, 1758, Podura, designated under the plenary powers to be the type species of Podura Linnaeus, 1758 a ye ie Ses at ie or

placed on the Official List of Specific Trivial Names in Zoology

Arachnoides Klein, 1778, rejected for nomenclatorial purposes, as based on mere republica- tion, without reinforcement, of Arachnoides Klein, 1734 :

placed on the Official Index of Rejected and Invalid Generic Names in Zoology

-

Arachnoides Leske, 1778, validated under the plenary powers and Echinus placenta Linnaeus, 1758, similarly designated as type species; placed on the Official List of Generic Names in Zoology ”’. . ate er eee ae ai a be At

Archaeocidaris M’Coy, 1844 (type species, by monotypy: Cidaris urii Fleming, 1828) application for validation of, under the plenary powers, deferred for further information to be obtained .. a of be be es a a :

arenarius, as published by Edwards, 1771, in the binominal combination Cancer arenarius not available because a junior homonym of Cancer arenarius Toreen, 1765; placed on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology ”. .

argus Linnaeus, 1758 (as published in the binominal combination Papilio argus), applica- tion of, determined under the plenary powers ; placed on the Official List of Specific Trivial Names in Zoology” . ae Be te ts ee ne Sh: x

argyrognomon Bergstrasser [1779] (as published in the binominal combination Papilio argyrognomon), application of, determined under the plenary powers... +r 5c placed on the “‘ Official List of Specific Trivial Names in Zoology

aristolochiae Fabricius, 1775 (as published in the binominal combination Papilio aristo-

lochiae) validated under the plenary powers : placed on the ‘* Official List of Specific Trivial Names in Zoology” .. “ie a a, oe or bie Ss We we

aristolochiae Pallas (as published prior to 1780 in the binominal combination Papilio aristolochiae) suppressed under the plenary powers ae ae Ws a om

placed on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology”

Arndt, Commissioner Walther. election of. in 1937. as a Commissioner vice Commissioner Karl Apstein (resigned)

.

Page

389

15

473

533 535

534

516

480

479 480

658 Bulletin of

Page Arndt, Commissioner Walther, etc.—continued. election of, to Class 1946 on expiry of term of service of Class 1937 Ww murder of, by Gestapo in 1944, reported; adoption by Commission of Resolution emphatically condemning the disgraceful crime which led to the death of Commissioner Arndt at the hands of the Gestapo .. 9 arvensis Linnaeus, 1758 (as published in the binominal combination Vespa arvensis), application for the use of the plenary powers to determine the use of, deferred for further information to be obtained shi : we : 417 ascanius Cramer, [1775] (as published in the binominal combination Papilio ascanius) validated under the as Ath aa 5 re on the Official List of Sei Trivial Names in Zoology oe 545 ascanius Linnaeus, 1768 (as published in the binominal combination Papilio ascanius) suppressed under the plenary powers . . Ae 544 placed on the ‘* Official Index of Rejected and Invalid Specific Trivial Names in Zoology” 545 Aspidoproctus declared available as from Newstead [April] 1901 (type species by monotypy: Walkeriana pertinax Newstead, ee and pecs on the Official List of Generic Names in Zoology ; at 56 wt ee .. 381 atropos Lamarck, 1816, Spatangus, designated under the plenary pera to be the type species of Moira Agassiz (A.), 1872 as ae ee : are | FORT placed on the “‘ Official List of Specific Trivial Names in Zoology 528 Aturoidea published by Vredenberg in 1925, declared to be of sub-generic status as from 1925 and accordingly to have priority over Paratwria Spath, 1927 443 Aubert, M. J., attendance by, at public meetings of the Commission . . 272 Aulocera Butler, 1867 (type species designated by Butler, 1867: Satyrus brahminus Blanchard, 1844) placed on the “* Official List of Generic Names in Zoology . 494 australis Walker, 1856 (as published in the binominal combination Oxycanus australis) ; placed on the “‘ Official List,of Specific Trivial Names in Zoology : Be 357 austriacus Schrank, 1776, Cimex, designated under the plenary powers to be the type species of Bellocoris nent 1834 ; Ping on the Official List of Specie. Trivial Names in Zoology” .. ae 473-474 available name,” expression defined (see also “‘ valid name ’’) 336

Belloc, M., attendance by, at public meetings of the Commission , . an .- 8, 306, 354

Zoological Nomenclature 659

Page Bellocoris Hahn, 1834, Cimex austriacus Schrank, 1776, designated under the plenary powers to be the type sg of; placed on the * Official List of Generic Names in Zoology ey : We oe se i ne oe oe eset! | Belone Cuvier, 1817, validated under the plenary powers ; placed on the “‘ Official List of Generic Names in Zoology (type species by absolute tautonomy : Hsox belone Linnaeus, 1761) re oe rs ah Hes ri a ae re Hie ne) ee belone Linnaeus, 1761 (as published in the binominal combination sox belone) placed on the ** Official List of Specific Trivial Names in Zoology a ae oy ae a, 428 Belone Oken, 1815, suppressed under the plenary powers ; placed on the Official Index of Rejected and Invalid Generic Names in Zoology” .. ah Hs of At -. 428 Beltran, Professor Enrique, appointment of, to be an Alternate Commissioner vice Com- missioner Ange] Cabrera Be ee i hs si at * fe = 62 attendance by, at meetings of the Commission ae e: .. 6, 62, 190, 230, 425, 649 approval by, of Minutes of Paris Meetings .. or a ae a a -. 653 Benign Tertian Malaria Parasite, determination of scientific name of ate ae fa 618 bennetti Waterhouse, 1837, Abrocoma, see Chinchilla Bennett, 1829. Beosus Amyot & Serville, 1843, Cimex maritimus Scopoli, 1763, designated under the plenary powers to be the gee epee of; placed on the * Official List of Generic Names in Zoology civ : 5 3 rp : ree oe ae Brame ie! Berthet, M. H., attendance by, at public meetings of the Commission Be ate -- 230 bibliographical reference for each name discussed, recommended to be inserted in any given paper cee on SiS ie me 23 Bs ar ae Ae ac 170 bicolor Douglas & Scott, 1868, Litosoma, designated under the plenary powers to be the type species of Pach gins Fieber, 1858 ; placed on the Official List of ae Trivial Names in Zoology”. 474

Bilharzia Meckel von Hemsbach, 1856, suppression of. under the plenary powers. . 319-323 “binary nomenclature’, expression deleted from Régles and expression binominal nomenclature ”’ substituted therefor, see Régles, Article 25, Proviso (b).

Report on, approved by the Commission and submitted to the Congress . . fe .. 64-65

**binominal nomenclature’, substitution of expression for ‘‘ binary nomenclature in Reégles, see Réegles, Article 25, Proviso (b)

bisperforatus Leske, 1778 (as published in the binominal combination Hchinodiscus biaperforatus) ; placed on the “‘ Official List of Specific Trivial Names in Zoology” 535

Bolivar y Pieltain, Commissioner Candido, resignation of, reported. . “fs ze a 15

660 Bulletin of

Page Bombus Latreille, 1802, validated under the plenary powers so far as necessary, with Apis terrestris Linnaeus, 1758, as type species (by monotypy) .. oie Hae 406-407 placed on the ‘“‘ Official List of Generic Names in Zoology ih a Be Pier clit Bonnet, Professor Pierre, attendance by, at public meetings of the Commission .. 6, 62, 272 proposals submitted by, arrangements for consideration of ie ste ae 209-212 Boschma, Commissioner H., in attendance at Paris Session . . 2 election of, in post-war period, as a Commissioner vice Commissioner Walther Arndt (deceased) re ; ae is avs se ts gs 4c He a 16 appointed to Class 1955 on expiry of term of service of Class 1946 5. oe ae 13 attendance by, at Meetings of the Commission .. 1, 6, 37, 62, 83, 107, 190, 230, 280, 306, 354, 649 approval by, of Minutes of Paris Meetings .. “yc “4 ae ie a5 siete X1V- Bradley, Commissioner J. Chester, in attendance at Paris Session .. as ive a 2 election of, in war period, as a Commissioner vice Commissioner Witmer Stone (deceased) 16 attendance by, at Meetings of the Commission .. 1, 6, 37, 62, 83, 107, 190, 230, 239, 280, : 306, 354, 425, 649 approval by, of Minutes of Paris Meetings .. aye Se te BA ae ah

Bradycellus Frickscn, 1£37, applicaticn for the designation under the plenary powers of Carabus collaris Paykull, 1798, as ty Fe eer of, deferred for further information to be obtained ate 5 5 a oe Se ve oun 443, 444

b rahminus Blanchard, 1844 (as Lee in the binominal combination Satyrus brahminus) placed on the Official List of Specific Trivial Names in Zoology wid PE ~je 496

brassicae Linnaeus, 1758 (as published in the binominal combination Papilio brassicae) ; placed on the “‘ Official List of Specific Trivial Names in Zoology a ah .. 496

Brassolis, Fabricius, 1807, validated under the plenary powers 26 Se ae aay OG placed on the “‘ Official List of Generic Names in Zoology (type species selected by Blanchard, 1840: Papilio sophorae Linnaeus, 1758) .. ie oe ne ae 157

Brassolis (Illiger], 1807, suppressed under the plenary powers; placed on the Official Index of Rejected and Invalid Generic Names in Zoology BT sic BS -. 456

Bremus Panzer-Jurine, [1801-1804], suppressed under plenary powers, so far as necessary to validate Bombus Latreille, 1802 ; pala) on the “‘ Official Index of rau ie and Invalid Generic Names in Zoology oH 406-407

Brisson (M.J.), 1760, Ornithologia sive Synopsis methodica sistens Avium Divisiones in Ordines, names in, validated under the plenary powers .. he se ik i 65

title of above work to be entered in Schedule established for recording decisions taken under the plenary powers, , <a FY ) oh ae Si +, 65-46

Zoological Nomenclature 661 Page

Urisson, 1762, Regnum animale (ed. 2), status of, to be considered as soon as possible after publication of Report thereon by the Secretary .. > Re af tr 313-314

Brissus Dahl, 1823 (emend. of Bryssus Dejean, 1821) suppressed under the plenary powers 526

placed on the Official Index of Rejected and Invalid Generic Names in Zoology” .. 528

Brissus Gray, 1825, validated under the plenary powers and Spatangus brissus var. unicolor Leske, 1778, similarly designated as type species ee i Ba = 626

placed on the Official List of Generic Names in Zoology Bye ae ake -- 527

Brissus Leske, 1778, declared non-existant under the Reégles, because not published in the

nominative singular. . 55 HA ae Bo es te Br an aj Oa placed on the Official Index of Rejected and Invalid Generic Names in Zoolo C¥saess ‘528 Brissus Link, 1807, suppressed under the plenary powers .. 3 as Se «- 526

placed on the Official Index of Rejected and Invalid Generic Names in Zoology” .. 528

Brissus Modeer, 1793, suppressed under the plenary powers be ie a0 526 placed on the Official Index of Rejected and Invalid Generic Names in Zoology” .. 528 Brissus Miiller (O.¥.), 1781, suppressed under the plenary powers . . Bi ye Senne ss placed on the “‘ Official Index of Rejected and Invalid Generic Names in Zoology” .. 528 Brissus Oken, 1815, suppressed under the plenary powers .. ae a 5c «- 526

placed on the “‘ Official Index of Rejected and Invalid Generic Names in Zoology” .. 528

Brissus, as used by any other author prior to the publication of Brissus Gray, 1825,

suppressed under the plenary powers 526

placed on the “‘ Official Index of Rejected and Invalid Generic Names in Zoology” .. 528 Briinnich, 1771, Zoologiae Fundamenta. a nomenclatorially available work a4 307-310

date 1772 commonly attributed to, incorrect, actual date of publication being 1771... 307 Bryozoa and Polyzoa, question of relative status of, deferred pending Report by Secretary

on general question of Class Names ee 30 = a ei ae «+ 386 Bryssus Dejean, 1821, suppressed under the plenary powers. . Se sae 6 «. 526

placed on the Official Index of Rejected and Invalid Generic Names in Zoology” .. 528

Bulla Linnaeus, 1758, Bulla ampulla Linnaeus, 1758, designated under the plenary powers to be the type species of ; placed on the Official List of Generic Names in Zoology” 305

662 Bulletin of

Page Bulletin of Zoological Nomenclatur ,” Vol. 1, contents of Parts of, to be examined in i turn Part 5. E She si ae ai ahs x he ti a5 55 364 Bart 8 ... a ce sf Be a fe nad af BS ae aa ee Para. Oh. 7 xe ore ne ie ae <a ae ws ae ate etn Part'10"<:. oe *” i Me at = a as vA, a Bie jue 43) Part li): We 54 ne ae ae Ar ie AS mC -. 445 “* Buprestidae * (an anonymous pamphlet issued by Hope (F.W.) in 1836), new names contained in, declared unavailable for nomenclatorial purposes .. er we Be ek itl

By-Laws of the International Commission on Zoological Nomenclature, see Commission, International, on Zoological Nomenclature, Section (b)

Cabot, D. A. E., thanked by the Commission for assistance given in searching the literature to determine the first publication of the name Piroplasma annulatum commonly attri- buted to Dschunkowsky & Luhs as xe Se ee a ae, he -- 433

Cabrera, Commissioner Angel, absence of, from Paris Session a Ss a 3% 3 appointment of, to Class 1949 on expiry of term of service of Class 1940 .. fe ee 13 nomination of, to Class 1958 on expiry of term of service of Class 1949 . . a a 19

nomination of, to be a Member of the Commission for a further term on abolition of the system of 9-year Classes in the membership of the Commission and consequent reversal of decision to establish a Class 1958 as re Be ie Sha ave 46

calearatus Linnaeus, 1758 (as published in the binominal combination Cimesz calcaratus) ; placed on the Official List of Specific Trivial Names in Zoology mye os Bee i

Calliphora Robineau-Desvoidy, 1830 (type species by original designation: Musca vomitoria Linnaeus, 1758) ; placed on the Official List of Generic Names in Zoology 355-356

Calman, Commissioner W.T., absence of, from Paris Session ig a ‘% be 3 election of, to Class 1946 on completion of term of service of Class 1937 .. a 10 nomination of, to Class 1955 on the expiry of the term of service of the Class 1946 4 13

Camelus Linnaeus, 1758, question of admission of, to Official List of Generic Names in Zoology to be considered. . ic oe . a ot oe one 23 ee

Camponotus Mayr, 1861 (type species, by selection by Bingham, 1903: Formica ligniperda Latreille, 1802) ; placed on the Official List of Generic Names in Zoology” .. 409-410

canaliferus Lamarck, 1816 (as published in the binominal combination Spatangus canaliferus) ; placed on the Official List of Specific Trivial Names in Zoology 2. Lew

Zoological Nomenclature 663

Page Caporiacco, Commissioner Lodovico, in attendance at Paris Session v3 ei Ay z election of, in 1939 as Commissioner vice Commissioner F. Silvestri (resigned) ; . . ie 15 appointment of, to Class 1952 on expiry of term of service of Class 1943 Ae = 13 attendance by, at Meetings of the Commission . «2; 6, 37,.62;'83, 107, 190, 230; 239, :272, 280, 306, 354, 425, 649 approval by, of Minutes of Paris Meetings .. ay a of ne Ys OE pki Caprimulqus Linnaeus, 1758, question of admission of, to ‘‘ Official List of Generic Names in Zoology to be considered .. At Rs Ae ie ag 4) Ne a2, OBe Carabus Linnaeus, 1758, Carabus granulatus Linnaeus, 1758, designated under the plenary powers to be the type eg of ; placed on the “* Official List of Generic Names in Zoology a é Ae ao 55 ox hy xs ok e .. 446 Carcharodus Hiibner, [1819], placed on the *‘ Official List of Generic Names in Zoology (type species designated under the plenary powers : Papilio alceae Esper [1780]) .. 484 caricae Linnaeus, 1758 (as published in the binominal combination Papilio pede : placed on the Official List of Specific Trivial Names in Zoology a ec . 458 Castnia Fabricius, 1807, validated under the plenary powers Me vis Si -. 456 placed on the ** Official List of Generic Names in Zoology (type species selected by Latreille, 1810: Papilio icarus Cramer [1775]) ig a ty me a oa UAT oldest available name for type species of, when determined, to be placed on Official List of Specific Trivial Names in Zoology ie Pde iE We xe -. 459 Castnia (Illiger}, 1807, suppressed under the plenary powers ; placed on the Official Index of Rejected and invalid Generic Names in Zoology a2 De of: = -. 456 Catesby (Mark), The Natural History of Carolina, George Edwards edition of 1771, sup- pression of, under Opinion 89 not to apply to names in concordance based on Linnean system .. aoc ne Ne bic a Fc up 3g Se nc BO te!

Catoplatus Spinola, 1837, Tingis fabricii Stal, 1868, designated under the plenary powers to be the type species of ; placed on the “‘ Official List of Generic Names in Zoology” .. 474

-cauda and —caudatus, —a, —wm, see —costa, —coslatus, —a, —wm

centuncularis Linnaeus, 1758, Apis, declared the type species of Megachile Latreille, 1802 ; placed on the * Official List of Specific Trivial Names in Zoology af oa so AIS

Ceratina Latreille, [1802-1803] application for validation of, under the plenary ee deferred for further information to be obtained —.. a ane ae : nt, M07

Ceratodon, generic name, first published in Briinnich, 1771, Zoologiae Fundamenta, if Brisson, 1762. Regnum animale (ed. 2), found to be not available ft oe ele:

Cercopithecus validated under the plenary powers as a generic name as from Linnaeus, 1758, an position on * Official List of Generic Names in Zoology *’ confirmed 310-311

664 Bulletun of

Page Cercopithecus Briinnich, 1771, declared a bomonym of Cercopithecus Linnaeus, 1758 (validated under the plenary powers) ; placed on the ** Official Index of Rejected and Invalid Generic Names in Zoology .. ots a ak a ae He sterol

cereus Linnacus, 1767 (as published in the binominal combination Papilio cereus) ; placed on the “‘ Official List of Specific Trivial Names in Zoology ae a a8 .. 458

Certhia Linnaeus, 1758, question of admission of, to “* Official List of Generic Names in Zoology * to be considered... 5: "i: $5 Sc ci it S Pree isd

Chaos Linnaeus, 1767, question of admission of, to Official List of Generic Names in

Zoology * to be considered... ak os g: as s = =e ve Oea Chapin, Dr. E. A., attendance by. at public meetings of the Commission .. $3, 107, 190, 230,

239, 272, 280, 306, 354, 425, 649

Chapman, Commissioner Frederick, appointment of, to Class 1949 on expiry of term of service of Class 1940 .. at i aie me he Se = Hh a 13

death of, reported ; adoption by Commission of Resolution of regret at death of . . se 9

Charadrius Linnaeus, 1758, question of admission of, to Official List of Generic Names in Zoology to be considered. . Sit ty £: ce o sr Ss . Oe

Chavan, M. André, attendance by, at public meetings of the Commission .. 6, 62, 230, 272, 280

Chinchilla Bennett, 1829, application regents type sper of, deferred for further information to be obtained... ; : =e oa >. 440

Chinchilla Rat (Abrocoma bennetti Waterhouse, 1837), see Chinchilla Bennett, 1829

Chrysopa Leach, 1815, Hemerobius perla Linnaeus, 1758, designated under the plenary powers to be the type species of; placed on the Official List of Generic Names in Zoology * A Se AS ae ae nA Ae ne Br ae -- 396

ciliaris Philippi, 1837 (as published in the binominal combination Asterias ciliaris) (oldest available name for the type species (Luwidia fragilissima Forbes, 1839) of Luidia Forbes, 1839, placed on the “‘ Official List of Generic Names in Zoology” in Opinion 129) placed on the “‘ Official List of Specific Trivial Names in Zoology Ac as Ae) 28)

Classes, rules governing nomenclature of. question of introducing into the Régles. to be examined by the Secretary .. mm ve = AP Fe oA 2 385-386

clavatus Linnaeus, 1767, Cimex, designated under the plenary powers to be the type species of Pilophorus Hahn, 1826 ; caine on the “‘ Official List of eee Trivial Names in Zoology” .. 474

Clavellaria Lamarck, 1801, suppressed under the plenary powers for purposes of Article 25; placed on the “‘ Official Index of Rejected and Invalid Generic Names in Zoology” 404

Clavellarius Olivier, 1789, suppressed under the plenary powers for purposes of Article 25 : placed on the ‘‘ Official Index of Rejected and Invalid Generic Names in Zoology” + .. 404

Zoological Nomenclature 665

Page Clavicera Latreille [1802], see Ceratina Latreille [1802-1803]. Clerck, 1757, Aranei svecici, names in, validated as from 1758 and with priority over Linnaeus, 1758 by a proviso added to Article 26 .. te “E 274-277, 315-319 Code, International, of Zoological Nomenclature, see Régles Internationales de la Nomen- clature Zoologique. coeruleus Miiller (O.F.), 1785 (as published in the binomonal combination Cyclops coeruleus) suppressed under the biieay cincbine for nape of Article 25 but not for those of Article 35 es o. a a SPS hi} placed on the Official Index of peeigines and Invalid aly Trivial Names in Zoology 377 Colymbus Linnaeus, 1758, type species of ; previous delay in dealing with ra regarding condemned ; Secretary to prepare Report on as soon as possible : 362 Commission, International, on Zoological Nomenclature : composition, personnel, pro- cedure, etc. (a) Arrangements for Meetings of, during Paris Session Alternate Members of the Commission, appointed of, for duration of Paris Session 4 meeting place during Paris Session .. Ba 5 ni ae ie = se 36 meetings to be held in public .. or a a ve are ye ne ae 4 meetings to be held jointly with Section on Nomenclature, as far as practicable . . -- £65 Official Languages to be English and French Ne a3 2S a op 6 procedure to be adopted with the object of expediting conduct of business ce “amie 7-8 programme for Paris Session .. a Xe rg is Sa Re a3 .. 27-28 Secretary to officiate as Acting President in the absence of the President and Vice- President ae aie ae ar wu we sis re = st we 1 submission of Reports to Section on Nomenclature, arrangements for Fr .. 32-35 Minutes of Meetings, arrangements for securing agreed text of .. + ee 640-644 communiqué issued to Press at close of Session... a ots Ae 4c 649-651 (b) By-Laws of suspension of, for duration of Paris Session . . Sie 505 ma =f ai ate 8 revision of, on comprehensive basis, to include references to all duties and powers con- ferred by the International Congress of Zoology . . oY ain te Sas .- 59-60 division of, when revised, into two parts: (1) Organic Articles embodying decisions taken by the Congress and therefore not subject to ere ae the e Meniene (2) other Articles (recommendation to Congress) . 327

Secretary invited to submit to members of Commission as soon as practicable after the close of the Congress a revised draft of the By-Laws giving effect to decisions taken by the International Commission during its Paris Session i os .. 60-61

666 Bulletin of

(b) By-Laws of—continued. Article regarding, to be inserted in the Régles (recommendation to Congress) .. swe Wee

By-Laws, as revised, to be printed and copies to be available at all times for sale . 61,328

(c) composition of, proposed reform of (recommendations to Congress) : discussion regarding 35, 37-50

Proposals submitted to the Congress regarding :

removal of upper limit hitherto imposed on the membership of the Commission, the present upper of limit of eighteen to be reained as a minimum; institution of a system providing for the direct representation on the Commission of zoologists in any country in which any considerable amount of zoological work is being conducted 39

provision for establishment of an appropriate balance in the membership of the Commission both geographically and as between different types of knowledge, experience and interest .. je ahs aie 5 ang . 39-40

retention by Commission of right to elect to its membership specialists of outstanding eminence, irrespective of the representative principle % ie AF .. 40, 43

method to be followed in obtaining nominations for representative seats on the Commission a's ibe af: e ae as a7 Lana peat .. 40-43

method to be followed in scrutinising the qualifications of candidates nominated for election as Commissioners; method to be followed in electing Commissioners ; method to be followed in filling casual vacancies in the membership of the Commission 42-44

elections of Commissioners to be announced in the Bulletin of Zoological Nomen- clanune 7 3 Ae ey He of ve ee ae Me 4 He 44

revised procedure for Commissioners to submit themselves periodically to re-election ; abolition of the system by which the membership of the Commission divided into three 9-year Classes ; institution of a revised system for determining the order of precedence of Commissioners at any given time aA ee a me ig 45

grant of leave of absence to Commissioners in certain circumstances and arrange- ments to be made for their temporary replacement by Alternate Commissioners 46-49

removal of Commissioners for certain specified causes . . ~~ 45 sts a Ma AG

(d) Emergency created by the outbreak of war in 1939

assumption by the President, on outbreak of war in 1939, of extraordinary powers for the duration of the emergency, to preserve the existence of the Commission and issue of the ‘‘ Emergency Powers, Declaration, 1939 ed ks si a, x .. 10-13

issue by the President of Directions under the Emergency Powers Declaration con- stituting Classes 1949 and 1952 to replace the Classes 1940 and 1943, when time expired Ph ah ee Fe oe ei bi ie a : 13 issue by the President of Directions under the Emergency Powers Declaration con- firming in their Offices those members of the Commission whose term of service as Officers had expired consequent upon the completion of the term of service of the

Classes of which they were severally members .. if ae 56 ats .. 16-17 adoption of a resolution approving the action taken by the President at the outbreak

of war in 1939 for the purpose of safeguarding the existence of the Commission (recommendation to Congress) ea 6 “4 Fe Ain nae aie L2=13

(e) Financial and administrative problems in period 1936-1948

Report by Secretary on » a6 te pte AS. Jie =r us .. 28-31

Zoological Nomenclature 667 Page (1) Membership of Commission losses through death since 1935, report on .. 8 murder of Commissioner W. Arndt (Germany) by Gestapo during the war, adoption of resolution emphatically condemning - 0 9 losses through resignation, ete., since 1935, report on 15 election of Commissioners since 1935 AF R: Ai a ies it -- 15-16 proposed ‘institution of a rule under which in certain circumstances a Commissioner who loses contact with the Commission shall be treated as having vacated his membership (recommendation to Congress) - ar a: Ae ee Bc = l4 German representation on Commission, German zoologists to be given a fresh opportunity of expressing their wishes regarding at he ae .. 18-19 Japanese representation on the Commission, Japanese zoologists to be given a fresh opportunity of expressing their wishes regarding 18-19 Class 1946 established vice Class 1937, on expiry of term of service of Class 1937 ae 10 Classes 1949 and 1952 established during the war by the President under the Emergency Powers Declaration, 1939, on the expiry of the term of service of the Classes 1940 and 1943 respectively 3: Sh ic oe Ae SA a ae ae tie 13 Class 1955 established in 1947 on expiry of term of service of Class 1946 = on 13 Class 1958, proposals for establishment of, vice Class 1949, as from close of Paris Congress it: <: #: ai AL Sa Se a rs oe 17-18, 19 abolition of system by which membership of Commission divided into three 9-year Classes and institution of a revised system for determining the relative precedence of Com- missioners and the order in which submission for re-election required (recommendation to Congress) .. oe ae 7 aa of Re ae ci cha Br 45 consequential withdrawal of recommendation for establishment of a Class 1958, and substitution of revised proposals for renewing part of the membership of the Com- mission at the close of the Paris Congress ae a st Le an -. 45-46 (g) Offices of the Commission Assistant Secretary, Office of creation of, in 1939 .. A: we €h Lt re SA a Bis Se 9 election of Commissioner James L. Peters to, in 1939 .. wes Ae oi 10 proposed abolition of, in its present form, and reconstitution of, as an Office in the Secretariat of the Commission . 24-25 Honorary Life President proposed creation of Office of, as an ad hoc arrangement, the post to be offered to Commissioner Karl Jordan as a mark of affection and respect on his retirement from the Office of President of the Commission (recommendation to Congress) 22 President, Office of resignation of, by Commissioner Karl Jordan on grounds of infirmity ; President Jordan’s resignation accepted with the greatest regret . . cis Sie oi ee 21

668 : Bulletin of

President, Office of—continued.

Page Vice-President James L. Peters nominated to be President (recommendation to Congress) .. os 46 a ie oe oe ae Se Bic oe 22 Secretary, Office of Commissioner Francis Hemming elected to, in 1936 ¥, Rg 3h art a, 8) nomination of Commissioner Francis Hemming for a further term of service on the close of the Paris Congress (recommendation to Congress) .. a4 + a 23 ° . Vice-President, Office of creation of, in 1939 ; election of Commissioner C. W. Stiles to, in 1939... a. = ie 9 election of Assistant Secretary James L. Peters to, in 1945 (in succession to the late Commissioner C. W. Stiles) se sas i wie es ste a on 17 nomination of Commissioner A. de Amaral to (recommendation to Congress) . . xe 24 Offices, all holders of, confirmed in their position by the President under the Emergency Powers Declaration, 1939, on the expiry of the period of service of the Officers concerned during the war period, consequent upon the completion of the term of service of the Classes of which the Officers concerned were severally members Aicill kota if (h) Ojficial Record of Proceedings of the Commission at iis Paris Session draft (giving full and detailed account) to be prepared by Secretary as soon as possible after close of Paris Session .. a zs 35 4: he ss oe SP 342 draft to be printed and proofs to be submitted for comment and approval to Com- missioners and Alternate Commissioners attending the Paris Session .. sa 642-643 text to be settled by Secretary in the light of comments received from Commissioners and Alternate Commissioners be a * os a 4: oe «lots text to be published in Bulletin of Zoological Nomenclature as soon as possible after having been finally settled .. ar os x ee sh ts 342, 643 memoranda considered by the Commission during Paris Session to be published in Bulletin of Zoological Nomenclature” .. +1 ae ie ae -. 342 (i) Procedure, proposed reform of (recommendations to Congress) voting procedure in cases not involving either a suggested change in the Régles or the use by the Commission of its plenary powers . . a Ec a of ne -. 50-51 voting procedure in cases involving a suggested change in the Regles .. 42 2 bl voting procedure in cases involving the use by the Commission of its pega powers (see also ‘‘ Régles, ete., New Article (12) ”’) ss ne y . .. 53-56 serial publications in which proposed that advertisements of plenary powers cases should be published .. $6 ae Pe eS af acd 4 Bi ag Si 56 revised procedural arrangements to come into force forthwith .. == Ae Ae 57 revised time-table for dealing with applications, and matters incidental thereto .. 58—59

issue to zoologists of announcement regarding revised time-table to be aimed at by the Commission, when dealing with applications on questions of nomenclature .. ee By)

Zoological Nomenclature 669

Page (j) Report to Thirteenth International Congress of Zoology draft Report examined in detail jointly with Section on Nomenclature .. ate 283-287 draft Report amended in certain respects .. te Bis aa 23 be 285-286 Report, as amended, unanimously adopted by Commission and submitted to Section on Nomenclature s 5 oh hs ss 5 ay a2 oF 287-288 supplementary points on the Commission’s Report, submission of, to Section on Nomenclature Pa 423-424, 559-560, 564, 566, 591, 625, 628-630, 630-631 (k) Secretariat of the Commission Report by Secretary on work during period 1936-1948... wv. we ae 28-31 Secretary’s Report to be submitted to the Congress “eg Se nse ce ne 31 Procedure during inter-Congress periods, arrangements for improving liaison between the Secretariat and members of the Commission 43 a a sis 632-640 (1) Co-operation with specialist qrowps Report by Secretary on developments since 1935 .. ae he se ~. 25-27 (m) Votes of thanks adopted by the Commission to Alternate Commissioners for services rendered as such during the Paris Session A G44. Elliot, Colonel the Right Hon. Walter, for accepting the Chair maces: of the Inter- national Trust for Zoological Nomenclature i Se 31 Hemming, Francis, for services as Secretary to the Commission and as Acting President during the Paris Session. . es nG a “3 ne = a: 645-647 Hemming, Mrs. M. F. W., Personal Assistant to the Secretary to the Commission, for share in preparing proposals submitted to the Commission in regard to the problems of specific homonymy and the nomenclature of infra-subspecific forms .. ee 131-132

Government Agencies, Museums and other Scientific Institutions, Learned Societies and individual zoologists and palaeontologists in all parts of the world who during period 1938-1948 had assisted the work of the Commission by making donations to its funds 32

Secretary-General, Thirteenth International Congress of HORE, for the admirable arrangements made for the meetings of the Commission : od «shld

French authorities of the Congress for the arrangements for the entertainment of members of the Congress and for the hospitality “extended to them during the visit

to Paris

Smithsonian Institution, Washington, D.C., for inviting the Secretary of the Commission to visit Washington and other centres in North America in December 1947, for the purpose of discussing problems of zoological nomenclature with American zoologists in preparation for the Paris Session of the Commission . . Bi bk is rs 31

U.N.E.S.C.O. (United Nations Educational, Scientific and Cultural Organisation) for substantial grants made towards the work of the Commission for the years 1947 and

1948 iia ne Se we i a aie at a ee i 32

Communiqué, issue of, by the Commission to the scientific ies of the world at the close of the Congress .. ; aha ~ . ats 649-651

670 » Bulletin of

Page composite nominal species, criteria to be adopted in determining identity of, see Régles, ete., Article 31.

composition of the Commission, reform of, see Commission, International, on Zoological Nomenclature, Section (c).

constricta Conrad, 1842 (as published in the binominal combination Nuculites pais ; placed on the Official List of Specific Trivial Names in Zoology a2 at 400

Consul Hiibner, [1806], an invalid ‘‘ Tentamen name ; placed on the ‘‘ Official Index of Rejected and Invalid Generic Names in Zoology ae ie ate : 492, 494

Consul Hiibner, [1807] (type species by monotypy : Papilio ne Cramer ANTS Pp placed on the “‘ Official List of Generic Names in Zoology 494

cordatus Sowerby, 1813, Ammonites, figure 4 on plate 17 of Sowerby’s Mineral Conchology of Great Britain, Vol. I designated under the plenary powers to be the lencty ee of ;

placed on the Official List of Specific Trivial Names in Zoology” .. 393 cordatus Pennant, 1777, Echinus, designated under the Beg Peper to be the type

species of Echinocardiwm Gray, 1825 te 526

placed on the ‘‘ Official List of Specific Trivial Names in Zoology Be a0 Pate 340)

Coriscus Schrank, 1796, suppressed under the plenary powers for purposes of Article 25, but not for those of Article 34; eet on the “* Official Index of Beles and Invalid Generic Names in Zoology” .. 467

Coriza Geoffroy, 1762, validated under the plenary ees and Corixa ecco Leach, 1817, similarly designated as type species .. 369

placed on the Official List of Generic Names in Zoology oe ay ave eh 370

corus Fabricius, 1793 (as published in the binominal combination Papilio setae ; placed

on the ‘‘ Official List of Specific Trivial Names in Zoology ae : Sit 457, 458 Corvus Linnaeus, 1758, question of admission of, to ‘‘ Official List of Generic Names in

Zoology to be considered... a big a6 a ot uc Be -. » 582 Cory, Professor Ernest N., attendance by, at public meetings of the Commission . . és 6

-costa, compound trivial name ending in noun form, not a HORI OENA of a similiar compound name ending in adjectival form -costatus, -a,-wm .. Se -- 242

-costatus, -a, -wm, see -costa eo-type,”” Recommandation to be added to Régles deprecating use of expression . . 190-191

Cramer, 1775, Uitlandsche Kapellen Vol. I., relative priority of names published in, and in (a) von Rottemburg, 1775, Anmerkungen zu den Hufnagelischen Tabellen der Schmetterlinge (published in Vol. 6 of Naturforscher) (b) [Schiffermiiller & Denis], 1775, Ankiindigung eines systematischen Werkes von den Schmetterlingen der Wiener Gegend (published anonymously) and (c) ts 1775, coe ema to be deter- mined by the Commission .. ae .. 4659

Zoological Nomenclature 671

Page creusa Doubleday, [1847] (as published in the binominal combination Anthocharis engl : placed on the *‘ Official List of Specific Trivial Names in Zoology” .. ne 485 Cuculus Linnaeus, 1758, question of admission of, to Official List of Generic Names in _Zoology to be considered... a Sic = oe if fe < .. 582 cupido Linnaeus. 1758 (as published in the binominal combination Papilio cwpido) ; placed on the ‘‘ Official List of Specific Trivial Names in Zoology” .. ie 457, 458 cuvieri Waterhouse, 1837, Abrocoma, see Chincilla Bennett, 1829. Cyrillic alphabet, transliteration of, new Section ies sig to be added to Second Schedule . . ae as ae F ; . <a ts Pr!) Cytamoeba Danilewsky, 1891, not available in zoological nomenclature .. is a OLS

placed on the Official Index of Rejected and Invalid Generic Names in Zoology” .. 619

Cyltosporon Danilewsky, 1891, not available in zoological nomenclature .. Ka owls

placed on the Official Index of Rejected and Invalid Generic Names in Zoology” .. 619

Cytozoon Danilewsky, 1891, not available in zoological nomenclature .. <i at 618

placed on the “‘ Official Index of Rejected and Invalid Generic Names in Zoology” .. 619

Dama Zimmermann, 1780, available under the Régles ; not to be transferred from Fallow Deer of Europe to Virginia Deer of America pending examination of issues involved . 551

Danaus Kluk, 1802 (type species selected by Hemming, 1933: Papilio ied Lin- naeus, 1758) ; placed on the “‘ Official List of Generic Names in Zoology”. 494

daplidice Linnaeus, 1758 (as published in the binominal combination Papilio nae 5 placed on the “* Official List of Specific Trivial Names in Zoology” .. . 458

date of publication, criteria to be adopted for determining, prescribed, see Régles, etc., Article 25, provisions relating to date of publication

Declarations rendered by the International Commission on Zoological Nomenclature : decisions taken on, and recommendations adopted in regard to, for submission to the International Congress of Zoology :—

Declarations 1 and 12 (Code of Ethics), to be incorporated in a new Article .. nica)

Declaration 2 (avoidance of issue of separates in advance of the Bape concerned), substance of, to be embodied in a Recommandation on oh Sp 167-168

Declaration 3 (need for giving a clear indication of date of publication), substance of, and of Declaration 8, to be embodied in a Recommandation .. ae Pat 169-170

Declaration 4 (avoidance of use of intemperate language in discussing zoological nomen- clature), to be incorporated in a new Article T $4 ani oT comer lol

672 Bulletin of Page Declarations rendered by the I.C.Z.N.; etc.—continued. Declaration 5 (Plenary Powers Resolution), see Régles, etc., New Article (12). Declaration 6 (need for indicating a new name as such and for avoiding publishing a name as new on more than one occasion), substance of, to be embodied in Recom-

mandations .. oie te Se as * “4 = 4.5 oa 168, 169

Declaration 7 (need for the citation of bibliographical references), substance of, to be embodied in the Régles as a new provision a0 ae a mie Ke shee LO

Declaration 8, see Declaration 3 Declarations 9 and 10, subject matter not suitable for incorporation in the Régles ao 166

Declaration 11 (need for indicating the systematic position of new taxonomic units), substance of, to be embodied in a Recommandation i a oe as 170-171

Declaration 12, see Declaration 1. Declarations 1-12, repeal of, except for historical purposes ae 24 Bie Ben pili (il

Declarations, this series to be reserved, after the Paris Congress, for proposals for the amendment, ete. of the Régles %: Sf 46 ar 136-137

Declarations to be rendered embodying decisions on the undermentioned matters taken by the International Commission at the Paris Congress :

expressions “‘ grade and “‘ pseudo-genus ”’, status to be accorded to a 293-294 organites and sclerites, rejection of proposal that new system of nomenclature

should be introduced for Pe AS Pe se a on = 5) ae:

“definite bibliographic reference,” substitution of revised provision for, in Article 25, see Regles, etc., Article 25, Provisio (c).

definite unambiguous designation of type species, substitution of revised provision for, in Article 25, see Reégles, etc., Article 25, Proviso (c)

Deflandre, M. G. V., attendance by, at public meetings of the Commission rs «» 6, 272 Deflandre-Rigaud, Mme. Marthe, attendance by, at public meetings of the Commission . . 272 Delacour, Mr. Jean, attendance by, at public meetings of the Commission .. s% 6, 62, 230

dentatum Stein, 1858 (as published in the binominal combination Entodinium dentatwm) declared the type species of Diplodiniwm Schuberg, 1888, and placed on the Official

List of Specific Trivial Names in Zoology” .. ; 380 deplilans, suppression, under the plenary powers, of all uses of, as a specific trivial name in combination with the generic name Aplysia (emend. of Laplysia) Linnaeus, 1767, aa

prior to such use by Gmelin in 1791 .. we :

depilans Gmelin, 1791 (as published in the binominal combination Aplysia depilans) validation of, under the plenary powers, and to be the name to be used for the species so named; designation of, under the plenary powers, as the type species of Aplysia Linnaeus, 1767 ; placed on the Official List of Specific Trivial Names in Zoology” .. 303

Zoological Nomenclature 673

Page

designate and “‘ designation,’ expressions, in relation to Article 30 to be used in a uniform sense .. we ie be a 3 ig al i. we eget oh79

Diadema Gray, 1825, validated under the plenary powers with Hchinometra setosa Leske, 1778, as type species ; placed on the “‘ Official List of General Names in Zoology” .. 384

Diadema Ranzani, 1817, suppressed under the plenary powers; placed on the Official Index of Rejected and Invalid Generic Names in Zoology a os ae -. 384

Diadema Schumacher, 1817, suppressed under the plenary powers; placed on the Official Index of Rejected and Invalid Generic Names in Zoology” .. ac .. 384

diana Linnaeus, 1758, Simia, designated under the plenary powers to be the type species of Cercopithecus Linnaeus, 1758; placed on the ‘“‘ Official List of Specific Trivial Names in Zoology” .. 46 Be Ae iy nae ae at ae sickle bl

Dictyonota Curtis, 1827, Dictyonota strichnocera Fieber, 1844, designated under the plenary powers to be the type ap of ; Shen on the Official List of Generic Names in Zoology ae 2 : C 5 ot te << oi = Sst koe

differential characters in descriptions of new taxonomic units, revised provisions relating to, see Régles, Article 25, Proviso (c).

. Diodontus Curtis, 1834, application for the designation under the plenary powers of Pemphredon tristis Van der Linden, 1829, as the ype sree p of, deferred for further information to be obtained .. 26 ae ye : 407

Diplodinium Schuberg, 1888 (type species by monotypy : Entodinium dentatum mn Rigty 1858) ; placed on the “‘ Official List of Generic Names in Zoology”... ; 380

DISSOTREMATIDAE, GLYIAUCHENIDAE and OPISTHOLEBETIDAE, consideration of relative status of, deferred pending Report by Secretary on general question of family names 401-402

donors of financial assistance towards work of Commission, vote of thanks to, sic np by the Commission . Si a Sr ae ae ais aha fa ; 32

dos Passos, Mr. Cyril F., attendance by, at public meetings of the Commission 62, 83, 230, 272, 280

Dougherty, Dr. Ellsworth C., attendance by, at public meetings of the Commission 37, 62, 83, 107, 190, 306, 354, 425

drobachiensis Miiller (O.F.), 1776, Echinus, designated under the sara Liat to be the type species of Strong, ylocentrotus Brandt, 1835 ae a 621

placed on the Official List of Specific Trivial Names in Zoology ae na ae a Uoe

Dryas Hiibner, [1806], an invalid ** Tentamen name, placed on the Official Index of Rejected and Invalid Generic Names in Zoology a " : a 492, 495

674 Bulletin of

Pave dubius Brandt, 1835, Cidarites (Phyllacanthus), designated under the —— puns in so far as necessary, to be the type species of Phyllacanthus Brandt, 1835 . 521 placed on the ‘‘ Official List of Specific Trivial Names in Zoology 5 << a0) O22 Dymond, Commissioner J. R., absence of, from Paris Session oF oft we ate 3 election of, in 1939 as a Commissioner vice Commissioner H. B. Fantham (deceased) . . 16 appointment of, to Class 1952 on expiry of term of service of Class 1943 I an 13 Echeneis Linnaeus, 1758, Echeneis naucrates (emend. of neucrates) Linnaeus, 1758 designated under the plenary powers to be the type species of ae at Ste a -- 538 position of, on the “* Official List of Generic Names in Zoology’ confirmed... SmebSo Echinarachnius Gray, 1825, validated under the plenary powers and Scutella parma Lamarck, 1816, similarly pang pena to be or pape ; py on the Official List of Generic Names in Zoology : 534 Echinarachnius Leske, 1778, and all uses of this name prior to Echinarachnius Py 1825 suppressed under the plenary powers Ws Ne a se we .. 534

placed on the ‘* Official Index of Rejected and Invalid Generic Names in Zoology” .. 535

Echinocardium Gray, 1825, validated under the plenary powers, in so far as necessary, and

Echinus cordates Pennant, 1777, similarly designated as type species. . ay “sie OO placed on the ** Official List of Generic Names in Zoology ee ne ae siete OR

Echinocardium Leske, 1778, in so far as published as a generic name, napresiert under the plenary powers be oe ES Ry Bi ye A He wae abee

placed on the Official Index of Rejected and Invalid Generic Names in Zoology” .. 528

Echinocrinus Agassiz, 1841, application for suppression of, under the sae powers, deferred for further information to be obtained. . an dis : ra wo | D6

Echinocyamus van Phelsum, 1774, validated under the plenary powers, and Hchinocyamus pusillus Miller (O.F.), 1776, similarly Cesena: as ba at ; caring on the ** Official List of Generic Names in Zoology = wold

Echinodiscus Breynius, 1732, declared without status in zoological nomenclature . . Siig Ae

Echinodiscus Leske, 1778, (type species, by selection by Clark (H.L.) 1911: Hchinodiscus bisperforatus Leske, 1778), placed on the “* Official List of Generic Names in Zoology”... 535

“* Editorial Notes attached to reissues of Opinions 1-16, nomenclatorial questions raised in, to be considered inturn .. Se 8 ig oe ae ds sae Sri,

Zoological Nomenclature 675 Page Elliot, Right Hon. Walter, aprentanse of Cheesy of International Trust for Zoological Nomenclature ; - we re 31 telegram despatched to, expressing thanks of the Commission for ec» cing of Chair- manship of the International Trust : a - : od 63 Eledone Leach, 1817 (type species, by monotypy : Octopus moschatus Lamarck, ri

placed on the Official List of Generic Names in Zoology 589 Ematozoo Antolisei & Angelini, 1890, a subjective symonym of Laverania Feletti & Grassi,

1889 mn oF = rh 615 emendation of names, Secretary to prepare comprehensive Report on Article 19 regarding 141 Emesis Fabricius, 1807, validated under the plenary powers 456

placed on the * Official List of Generic Names in Zoology (type species selected by

Westwood [1851]: Hesperia ovidius Fabricius, 1793 [= Papilio cereus Linnaeus, 1767]) 457 Emesis | Iliger], 1807, suppressed under the plenary powers ; Lee on the Official Index

of Rejected and Invalid Generic Names in Zoology r i Savi 456 Encrinus Schultze, 1760, application for validation of, under the plenary powers with

Encrinus liliiformis Lamarck, 1801, as e ape ea to be referred by Secretary to a

Crinoid specialist c 2 : : 513 Equus Linnaeus, 1758 ; placed on the Official List of Generic Names in fooler (type

species, by absolute tautonymy : Equus caballus Linnaeus, 1758) bai ic Erycina Lamarck, 1805, Erycina pellucida Lamarck, 1805, designated under the plenary

powers to be the vane iat of ; —_— on the Official List of Generic Names in

Zoology bc 418 Esaki, Commissioner Teiso, absence of, from Paris Session .. 3

election of, to Class 1946 on expiry of term of service of Class 1937 10

nomination of, to be a Member of the Class 1955 on the expiry of the term of service of

the Class 1946, reservation by Commission regarding attitude towards .. .. 13-14 decision not to confirm nomination of, to Class 1955, in order to provide Japanese zoolo- gists with a fresh opportunity of expressing their wishes as to their representation on the Commission consequent upon the political and other reg resulting from the close of the war Ris ad 43 : » 18, 19 espert Kirby, 1871, (as published as a subspecific trivial name in the trinominal com- bination Euchloé ausonia Hiibner var. esperi); placed on the Official List of Specific

Trivial Names in Zoology af wit ‘ag is ; are 486

Ethics, Code of, incorporation in the Régles, see Régles, etc., New Article (6)- Euchloé Hiibner, [1819]; placed on the * Official List of Generic Names in Zoology (type species designated under the ey alive: Euchloé ausonia Hiibner var. esperi Kirby, 1871) <9 : «= 484

676 Bulletin of

Euphydryas Scudder, 1872 (type species designated by Scudder, 1872: Papilio a take Drury [1773]) ; placed on the “* Official List of Generic Names in Zoology :

BPuploea Fabricius, 1807, entry on the Official List of Generic Names in Zoology con- firmed (type eur designated under the eee halal Papilio corus Fabricius, 1793) ; : : us

Buploea [Illiger], 1807, suppressed under the plenary powers ; ne on the Official Index of Rejected and Invalid Generic Names in Zoology he ahs

fabius Cramer, [1776] (as published in the binominal combination sa hia bats Pleas on the Official List of Specific Trivial Names in Zoology ae

fabricii Stal, 1868, T'ingis designated under the plenary powers to be the type species of Cataplatus Spinola, 1837; placed on the Official List of Specific Trivial Names in Zoology ae ms irs a ani ne He as i

Fabricius, 1775, Systema Entomologiae, relative priority to be accorded to, see Cramer, 1775, Uitlandsche Kapellen.

Fabricius (J.C.), terms intermediate between generic and specific trivial names cited in works by, not of subgeneric status as from date of being so published

Fabricius, trivial names based on name of, to be formed as fabricii not fabriciusi ..

alciforme Antolisei & Angelini, 1890 (as published in the binominal combination Ematozoo g p ‘alciforme) suppressed under the plenai owers for all purposes other than Article 35 Pp ry p p

placed on the Official Index of apa and Invalid chi Trivial Names in Zoology

falciforme Thayer & Hewitson, 1895 (as published in the binominal combination Haema- tozoon falciforme) suppressed under the ates Ligtanig for all purposes other than Article 35 a ty ra : : Pa ;

placed on the Official Index of me and Invalid Destin Trivial Names in Zoology ae Ae a ee

falciparum Welch, 1897, Haematozoon, validated under the plenary powers as the name of the Malignant Tertian Malaria Parasite ; designated under the eases Nahin as the the type species of Laverania Feletti & Grassi, 1889

placed on the Official List of Specific Trivial Names in Zoology

Family names, Secretary to Commission invited to prepare, in consultation with specialists, a comprehensive Report on provisions in the Régles relating to, for consideration at the

Page 494

457

456

496

474

614 620

next meeting of the Congress . . at Fi Ae ar oh A. bc 138, 402

Zoological Nomenclature 677

Page Family names, etc.—continued

situation created where Article 4 leads to the formation of two or more families with identical names, question to be dealt with in Secretary’s Report. . ee ae 243-244

method to be followed in determining family name to be used where two or more previously established names are united on taxonomic grounds . . Ae 244-245, 402

communication on nomenclature of supergeneric groups submitted by Professor R. Jeannel to be included in the dossier to be studied ie the aris in preparing Report on general question . . 4 - 273

communication on, submitted by Professor Robert L. Usinger, to be included in the dossier to be studied by the Secretary in preparing Report on general question. . .. 273

Fantham, Commissioner H. B., death of, reported ; ie a by Commission of Resolution ofregretatdeathof .. ee oo a2 ae ang Be FA ue 9

fasciata Poiret, 1789 (as published in the binominal combination Aplysia fasciata), question of use of plenary powers to determine species to which applicable, deferred, and to be re- submitted by the Secretary after the close of the Paris Congress . . sya a Bhp Ue |

feisthameli Duponchel, 1832 (as published in the binominal combination eee sisi meh); ; placed on the Official List of Specific Trivial Names in Zoology 499

Fibularia Lamarck, 1816, validated under the plenary powers, and Fibularia ovulum Lamarck, 1816, similarly dolepaiads as a gee meses : plaged on the Official List of Generic Names in Zoology” .. : : : «ALO

Figures and Descriptions of eplntions collected in ila eset 1793, Puen Martin es ), not available under the Régles oe -. 452

financial and administrative problems of the Commission, see Commission, International, on Zoological Nomenclature, Section (e).

fimbria Linnaeus, 1767 (as published in the binominal combination Tethys fimbria) validation of, under the plenary powers, and to be the name to be used for the species so named; designation of, under the plenary powers, as the type species of Tethys Linnaeus, 1767 ; placed on the Official List of Specific Trivial Names in Zoology” .. 303

first reviser, principle of, see page precedence.

Fischer-Piette, Professor E., Reasons General to the Conant attendance eh ee at Baap meetings of the Commission .. : 272

Flebotomus Rondani, 1840, emendation of, to Phlebotomus under the plenary powers .. 359

Formica Linnaeus, 1758 (type species declared to be by selection by Curtis, 1839 : Formi ica rufa Linnaeus, 1758); placed on the “‘ Official List of Generic Names in Zoology” .. 409

Fossil invertebrates, fragments (organites and sclerites) of, suggested new system of nomenclature for. See organites

Fringilla Linnaeus, 1758, question of admission of, to Official List of Generic Names in Zoology to be considered... od hi. eh As mS ets xt we 1.582

678 Bulletin of

Page Frisch (J. L.), Das Natur-System der Boone ies 1775, declared unavailable for nomenclatorial purposes As ra ae ats 549 Fulica Linnaeus, 1758, question of admission of, to ‘‘ Official List of Generic Names in Zoology to be considered... Fs ee a5 of “Ve 3c Fe PP) galea Linnaeus, 1758 (as published in the binominal combination Buccinum galea) ge on the “‘ Official List of Specific Trivial Names in Zoology” .. a cus d Meena i) Gastrodes Westwood, 1840, Cimex abietum Bergroth, 1914, designated under the plenary powers to be the type Bite of ; aa on the Official List of Generic Names in Zoology x“ se ie oie oye 32 .. §©473 geinitzianus Barrande, 1850 (as published in the binominal combination Gladiolites geinit- zianus) placed on the Official List of Specific Trivial Names in Zoology 5 oe ot! gender of generic names, Article to be inserted in Régles prescribing compliance with rules for determining, to be specified in a new Schedule to be added to the Régles . . rie 249-250

entries relating to, to be inserted in the Official List of Generic Names in Zoology” .. 341 generic names, method to be used for determining gender of . . PY a+ te 248-249 genotype *’, insertion of a Recommandation deprecating use of expression... . af 300

Geoffroy (E. L.), 1762, Hist. abrég. Ins. Env. Paris, not an available work for nomenclatorial purposes ; Secretary invited to confer with specialists with a view to ubimssion of applications relating to generic names, published in, the disappearance of which would be likely to lead to confusion .. an os as ri ed ae “+ Stahl ene

Geographische Geschichte des Menschen, und der allgemein verbreiteten vierfiissigen There, nebst einer hieher geh6rigen zoologischen Weltcharte, 1778-1783, by Zimmermann (4 A. E.W. ° von) declared available for nomenclatorial purposes ol : . 548

geoffroyi Leach, 1817, Corixa, seit eae under the ey ae ers to be the type scent of Coriza Geoffroy, 1762 a 369

question of placing of, on the Official List of Specific Trivial Names in Z colouy 2 deferred for further information to be obtained by the Secretary ue ae meno)

Gesner, (J.), 1758, Tractatus physicus de petrificatis PUPDIEEe under the pry BEERS so far as necessary, for nomenclatorial purposes. . - : : 420

Ghigi, Professor A., attendance by, at public meetings of the Commission. . ce ae 6

Giraffa, generic name, first published in Briinnich, 1771, Zoologiae crea if Brisson, 1762, Regnum animale (ed. 2), found to be not av ailable .. 04

Zoological Nomenclature 679

Page Gisin, M. Hermann, attendance by, at public meetings of the Commission. . xe .. 6, 272 Gladiolites Barrande, 1850, suppressed under the plenary powers for purposes of Article 25 but not for those of Article 34; Ra on the ‘‘ Official Index of Metin and Invalid Generic Names in Zoology” .. 379 glandon Prunner, 1798 (as published in the binominal combination te lar eae ee on the Official List of Specific Trivial Names in Zoology : 486 Gohar, Dr. H. A. F., attendance by, at public meetings of the Commission. . ¥. - 62 Gordon, Dr. Isabella, attendance by, at public meetings of the Commission .. 306, 354 Gorytes Latreille, [Sept.] 1804 application for the validation of, under the rad bik deferred for further information to be obtained .. 411 grade **, suggested recognition of, as a nomenclatorial category .. fs oF 273-274 expression ‘‘ grade *”’ available as a technical term but not to be nindeaentes in the nai as a nomenclatorial category 58 , 293-294 granulatus Linnaeus, 1758, Carabus, designated under the plenary powers to be the type species of Carabus ees 1758 ; a on the Official List of i eag Trivial Names in Zoology” .. 446 Graptolithus Linnaeus, 1768, suppressed under the plenary powers for purposes of Article 25 but not for those of Article 34 ; snc on the Official Index of elas and Invalid Generic Names in Zoology ”’ . 377 Gronovius, [1763-1781], Zoophylacium Gronovianum, Meuschen’s index sii declared to be unavailable for nomenclatorial purposes... ; 504 group names between genus and species level, subject to certain conditions to be treated as subgeneric names, see Régles, etc., New Article (5) se e: ra ay -- 443 Gryphaea Lamarck, 1801, pede of type pecs of, deferred until after the close of the Paris Congress . . 64 306-307 GYLIAUCHENIDAE, see DISSOTREMATIDAE. Gymnotus Linnaeus, 1758, question of admission of, to “* Official List of Generic Names in Zoology * to be considered... ; : 582 Haemamoeba Feletti & Grassi, 1889, declared to be invalid .. Ay oe is ae MG LS

placed on the “‘ Official Index of Rejected and Invalid Generic Names in Zoology” .. 619

680 Bulletin of Hédematomonas Osler, 1886, declared to be a cheironym ae an as ae «at BLT placed on the ** Official Index of Rejected and Invalid Generic Names in Zoology” .. 620

Hématophyllum Metschnikoff, 1887, type species of, designated under the plenary powers 613 declared to be invalid .. Ure ae te a aie ve 23 ae Pee ct A

placed on the ‘‘ Official Index of Rejected and Invalid Generic Names in Zoology” .. 620

Haematozoon Thayer & Hewitson 1895, a subiestite: a aaa m of Laverania Feletti & Grassi, 1889 a aie : 82 me oa tae

Haemocytosporon Danilewsky, 1891, not available in Zoological Nomenclature .. Soa OLS

placed on the Official Index of Rejected and Invalid Generic Names in Zoology” .. 620

Haemosporidium Lewkowicz. 1897, declared to be invalid .. om ifs ve ze) G16 placed on the ‘* Official Index of Rejected and Invalid Generic Names in Zoology” .. 620

Hall, Professor E. Raymond, attendance by, at public meetings of the Commission 62, 83, 190, 230, 239, 306, 354

Hamadryas Hibner, [1806], an invalid ** Tentamen name, placed on the * Official Index

of Rejected and Invalid Generic Names in Zoology ae = : : 493-495 Hank6o, Commissioner Bela, absence of, from Paris Session - . ahs an he Pe 3) election of, in 1937, as a Commissioner vice Commissioner G. Horvath (resigned) te 15 election of, to Class 1946, on expiry of term of service of Class 1937 ris ait is 10 appointment of, to Class 1955 on expiry of term of service of Class 1946. . ae cis 13

Harpactus Shuckard, 1837, application for the validation of, under the plenary DOMES deferred for further information to be obtained .. 411

Harpalus Latreille, [1802-1803], application for the designation, under the plenary powers, of Carabus aeneus Fabricius, 1775, as type ae of. deferred for further information to

be obtained ce : aa 446-448 Hayes, Professor W. P., attendance by, at public meetings of the Commission. . oe 62

Helicopis Fabricius, 1807, entry on the ** Official List of Generic Names in Zoology ~ con- firmed (type species selected by Scudder, 1875: Papilio cupido Linnaeus. 1758) .. 497

Helicopis (Iliger], 1807, suppressed under the plenary powers : placed on the * Official Index of Rejected and Invalid Generic Names in Zoology ° ty he se .. 456

Hemerobius Linnaeus, 1758, Hemerobius humulinus Linnaeus, 1758, designated under the plenary powers to be yet rec of : rapa on the Official List of Generic Names in Zoology ° ue <0 of eee

Zoological Nomenclature 68]

Page Hemming, Secretary Francis, in attendance at Paris Session re ar fy 2 assumption, in absence of President and Vice-President, of Acting Presidency for dura- tion of Paris Session . . ne ae ss a 2 2%, uz ap e 1 election of, as Secretary in 1936 Lhe a = te ah =a bee ae 9 appointment of, to Class 1949 on expiry of term of service of Class 1940 .. 46 ee 13 reappointment of, as Secretary on reappointment to Membership of the Commission in 1941 consequent upon the formation of Class 1949. ; He a “is re 16 nomination of, to Class 1958 on expiry of term of service of Class 1949 .. We Ak 19 nomination of, to be a Member of the Commission for a further term on abolition of the system of 9-year Classes in the membership of the Commission and consequent reversal of decision to establish a Class 1958 iC ar : A a ne : 46 nomination of, as Secretary for a further period a a Sic SS “iy ae 23 nomination of, to be a member of the Editorial Committee of Three charged with the duty of supervising the preparation of the text of the Régles as revised by the Paris Congress ae Ws Ss ot si wie ne a a “i : 630 congratulations by Commission to, in respect of investigation into problem of binary nomenclature . . ie a $6 a be. Sis Mi = - : 66 congratulations by Commission to, in respect of investigation into the nomenclature of the human malaria parasites fs oh aA bis ne 3 ae 624

attendance by, at Meetings of the Commission 1, 6, 37, 62, 83, 107, 190, 230, 239, 272, 280, 306, 354, 425, 649

Rising Vote of Thanks to, for services as Secretary to the Commission and as Acting President during the Paris Session . . aa <5 ae “6 aa a -. 645

approval by, of Minutes of Paris Meetings .. a =e ne ef us re RY,

Hemming, Mrs. M. F. W.., in attendance as Personal Assistant to the Secretary 6, 37, 62, 83, 107, 190, 230, 239, 272, 280, 306, 354, 649

adoption by Commission of Resolution of thanks for work on problems of specific homonymy and nomenclature of infra-specific forms 5 =e ee 131-132

Hildesheim List suppressed under the plenary powers for nomenclatorial purposes .. 487

Hindle, Dr. Edward, a pointment of, as an Alternate Commissioner vice President Karl

Jordan .. ; ae oy os as ae ae sty ate ae its + attendance by, at Meetings of the Commission ne ie =e ae 6, 272, 280, 649 approval by, of Minutes of Paris Meetings .. py 3 of a is 2S) ay “holotype ”, expression to be introduced into the Régles, and defined Se Ag 185-186

hominis Danilewsky, 1891 (as published in the binominal combination Laverania hominis) not available in zoological nomenclature _. . ic - a a rat oa): 618

placed on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology” 621

682 Bulletin of

Page

homonymy in generic names, criteria to be adopted in determining whether any pair of

similar names are homonyms of one another, see Régles, etc., Article 34. homonymy in specific names, criteria to be adopted in determining whether any pair of

similar names are homonyms of one another, see Régles, etc., Articles 35 & 36. Hope, (F. W.), [1836], see ‘‘ Buprestidae ”’. Hiibner, (J.), Sammlung exotischer Schmetterlinge, terms intermediate between generic and

specific trivial names cited on legends to plates in volume 1 of, not of subgeneric status on

that account .. of : 46 50 Ne ets Sr: ee ae se 200 Hiibner, (J.), Systematisch- alphabetisches Verzeichniss, terms intermediate between generic

and specific trivial names cited in, not of subgeneric status on that account oe ZOU Hiibner, (J.), [1806] ““ Tentamen”’, valid names of genera for certain species cited in,

placed on the Official List of Generic Names in eels Lupe) to be adopted

for other names determined .. ne is 488-496 Human Malaria Parasites, determination of scientific names of 3% as x 594-624 humulinus Linnaeus, 1758, Hemerobius, designated under the pases anh to be the

type species of H emermobius Linnaeus, 1758 : oe aessoG

placed on the Official List of Specific Trivial Names in Zoology oe she ve. toed Hyaena Brisson, 1762, proposed addition of, to “* Official List of Generic Names in Zoology

deferred until decision taken on availability of names in Brisson, 1762, Regnum animale

(ede 2) fer. 5% ace Sc a oe a ae as “Ke ats 314, 315 Hygriobia Latreille, 1804, emended to Hygrobia under Article 19 .. i ae .. 460 Hygrobia (emend. of pen Latreille, 1804 (type species by monotypy : me

hermanni Fabricius, 1775) placed on the “‘ Official List of Generic Names in Zoology 460 hylas Linnaeus, 1758 (as published in the binominal combination nese se a on the

Official List of Specific Trivial Names in Zoology 458 hypothetical forms, names given to, to have no status in zoological nomenclature, see

Reégles, ete., Article 25, general provisions. I.C. (48) Memoranda (documents submitted to the Commission during its Paris Session)

1.C.(48)1 considered .. -$t 6 at A sic 6 we be .. 27-28

I.C.(48)2 considered .. t ae as Jf ae ae =p “8 .. 28-31

Zoological Nomenclature 683 Page LC.(48) Memoranda, etc.— continued. 1.C.(48)3 considered... Br i He Py Ht aie $f oe | 95> 37-46 1.C.(48)4 considered . 49-59 1.C.(48)5 considered . 63-66 1.C.(48)6 considered . 66-78 1.C.(48)7 considered . 78-80 1.C.(48)8 considered... o Se a He a ane ae 97-105, 107-131 I.C.(48)9 considered... Bi: = a: a. a a x .. 81-82, 83-96 I.C.(48)10 considered .. aye ae «ce a ee Re ee 14 132-137 1.C.(48)11 considered .. od aie re oe une Ae fs 137-166 1.C.(48)12 considered .. 5 ib Me fs Sa ae .. 171-188, 190-195 1.C.(48)13 considered .. oe f vs oe ao Be 2% ae 166-171 I1.C.(48)14 considered .. By: us be ve oi an és he 195-229 1.C.(48)15 considered .. - old fe cd $3 aS ue ae 239-271 1.C.(48)16 considered .. Xs Ae si ~ ay as Az a 288-300 1.C.(48)17 considered .. ba is ai ite af af PS Ri 323-342 1.C.(48)18 considered .. ays a Re Ae ate bs os He 342-352 1.C.(48)19 considered .. = ss dis olf sa a a ote 354-364 1.C.(48)20 considered .. ate ss cE 23 = ie os at 283-288 documents of I.C. RLS Series to be puplighert in the Bulletin of ft Zoplpeteend Nomen- clature 342 icarus Cramer, [1775], Papilio, see icarus Rottemburg [1775], Papilio icarus Rottemburg, [1775], Papilio (type species of Polyommatus Latreille, 1804) relative priority of, in relation to icarus Cramer, [1775], Papilio (type species of Castnia ne 1807) to be determined in light of special Report to be prepared by Secretary . . 485 idas Linnaeus, 1758 (as published in the binominal combination ee a) 5 eee under the plenary powers ts be 479 placed on the ‘‘ Official Index of Rejected and Invalid Specific Trivial Names in Zoology’ 480 idas Linnaeus, 1761 (as published in the binominal combination gh ae ee validated and application of, determined under the plenary powers 479 placed on the ‘* Official List of Specific Trivial Names in Zoology 480 ilia [Schiffermiiller & Denis], 1775 (as published in the binominal combination rae ba placed on the “‘ Official List of Specific Trivial Names in Zoology *” 542 immaculata Grassi, 1891 (as published in the binominal combination Haemamoeba immaculata) available for.an avian but not for a human malaria parasite . . : . 616

684 Bulletin of

Page immaculata Grassi, 1891, ete.—continued. placed on the * Official Index of Rejected and Invalid ee Trivial Names in pas (as a name for a human malaria parasite) .. ip oa * indicate > and indication”, expressions, in relation to Article 30, to be used in a uniform sense... at nie i ve Sa 2s ve ae a ce bee * indication ”, revised definition of meaning of, in relation to generic names, see Régles, Article 25, Proviso (a). ‘* infra-subspecific form ”’, expression, to be inserted in Régles and defined ats .. 89-90 infra-subspecific forms, introduction of rules governing naming of, see Reégles, etc., New Article (1). “* infra-subspecific name ”’, expression, to be inserted in the Régles and defined .. .. 89-90 ingens Owen, 1844 (as published in the binominal combination Dinornis ingens an objec- tive synonym of novaezealandiae Owen, 1843 as published in the binominal combination Dinornis novaezealandiae) ; placed on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology” .. “ie phe ae ~€ oe oe .. 450 intemperate language in the discussion of zoological nomenclature, introduction of an Article prohibiting, see Régles, etc., New Article (8). International Commission on Zoological Nomenclature, see Commission, International, on Zoological Nomenclature. iris Linnaeus, 1758 (as published in the binominal combination Ae sat ee a of, determined under the plenary powers . . 4e aR 5 542 placed on the “* Official List of Specific Trivial Names in Zoology t3 a 25 yo Aue irregularis Kruse, 1892 (as published in connection with the binominal combination Plasmodium malariae) declared to be a technical designation and not a trivialname .. 617 placed on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology ors Ue is a St He Be Ne ee =e 7g) ee irregularis Sakharov, 1892, Haemamoeba febris, declared to be a cheironym Se a. HOLS placed on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology as a or i Pe AF 5 e by es igh Jacques, M. Denis, attendance by, at public meetings of the Commission .. Se oi 62

Jaczewski, Commissioner T., election as a Commissioner in 1939, vice Commissioner Candido Bolivar y Pieltain (resigned) F ee nw y 6 i ee 16

Ee ee

Zoological Nomenclature

685

Page Jaczewski, Commissioner T., etc. (continued). election of, to Class 1946 on expiry of term of service of Class 1937 10 postponement of nomination of, as a Member of the Class 1955 on expiry of term of service of Class 1946, owing to impossibility of ascertaining present whereabouts .. 13-14 membership of Commission of, declared vacated owing to feoacsucnmeils of ascertaining whereabouts, and successor appointed + : he 14 Jeannel, Professor R., attendance by, at public meetings of the Commission 272 Jespersen, Dr. P., attendance by, at public meetings of the Commission 272 Jordan, President Karl, message of regret from, at inability to attend Paris Session owing to total deafness af 1 assumption by, in 1939, of extraordinary powers for the duration of the SmenERney to preserve the existence of the Commission : 2 3: -- 10-13 appointment of, to Class 1949 on expiry of term of service of Class 1940 .. 13 re-appointment of, as President on re-appointment to Membership of Commission in 1941 consequent upon the formation of Class 1949 M: 16 nomination of, to Class 1958 on expiry of term of service of Class 1949 .. of a 19 request from, to be excused from nomination as President for a further term consequent upon total deafness .. : Ey ae .. 19-22 appreciation by Commission of distinguished services rendered by 21-22 nomination of, as a mark of esteem, to proposed new Office of Honorary Life President ; Acting President requested to despatch telegram to, expressing regret by Com- mission at resignation and conveying affection and esteem in which held in .. 22 nomination of, to be a Member of the Commission for a further term, on abolition of the system of 9-year Classes in the membership of the Commission and consequent reversal of decision to establish a Class 1958 h me Hit ae 46 text of telegram to, despatched by Acting President 63 Jorge, Professor Arthur Ricardo, Peer of, as an Alternate Commissioner vice Commissioner A. do Amaral : ae 4 attendance by, at Meetings of the Commission 280 ‘approval by, of Minutes of Paris Meetings .. ire rie ae a os eo OV Kirby, Professor Harold, pees of, as an Alternate Commissioner vice Commissioner Norman R. Stoll 22 2 : ve a. ne 4 assumption by, of Acting Chairmanship during portion of Fourteenth Meeting of Com- mission. attendance by, at Meetings of the Commission .. 6, 62, 88, 107, 190, 230, 272, 280, 425, 649 approval by, of Minutes of Paris Meetings .. sf ns - “6 ee eee) LW

686 Bulletin of

: Page Koch (C.L.), 1835-1842, Deutschlands Crustaceen, Myriapoden und Arachniden, determina- tion of type species, or species eligible for selection as type species, of genera publishedin 374

1842, Ubersicht des Arachnidensystems, single species figured in, for any given genus, to be accepted as type species, but the Commission prepared to consider applications for

use of eee seg in individual cases where confusion would arise from this decision : Ae 52 = ce <5 ae a: eu Mee

laniger Molina, 1782 (as published in the binominal combination Mus laniger), see Chin- chilla Bennett, 1829.

Laplysia Linnaeus, 1767, emendation under Article 19 of, to Aplysia ns a Ae le

Latiorina Tutt, 1909 (type species, by designation under the plenary powers: Papilio glandon Prunner, 1798) ; emacs on the Official Index of peeaeee. and Invalid Generic Names in Zoology” . 484

laverani Labbé, 1894 (as published in the binominal combination Haemamoeba laverani) suppressed under the plenary powers for all purposes other than Article 35 Kt je 613

placed on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology” 621 Laverania Feletti & Grassi, 1889, validated under the plenary powers; Haematozoon

falciparum Welch, 1897, designated under the plenary powers to be the type species of 614

particulars in regard to, on the “‘ Official List of Generic Names in Zoology confirmed

and clarified .. a by Ai Hie a bu S “4 Po eh 5GI9

Lebia Latreille [1802-1803], application for the designation, under the plenary powers, of Buprestis marginatus geneae 1785, as ey pee of, deferred for further information to be obtained .. as : : = : on Ss we ne 447

“* lectotype,”’ expression to be introduced into the Régles, and defined te os 185-186

Leiodes Latreille, 1796, see Liodes Heyden, 1826.

Lemche, Dr. Henning, arpcinueet of, to be an Alternate Commissioner vice Commissioner

J.R. Dymond .. = Sie Au st = << 42 oon, ae

nomination of, to be a Member of the Commission vice Commissioner Th. Mortensen (resigned) as from close of Paris Congress ae 0 4 en aa v=) meee

attendance by, at Meetings of the Commission ee ar 6, 62, 83, 107, 190, 230, 239,

272, 280, 306, 354, 425, 649

approval by, of Minutes of Paris Meetings .. att er ¥: vi wh Pee <1

Lemonias Hiibner, [1806], an invalid ** Tentamen name, ee on the Official Index of Rejected and Invalid Generic Names in Zoology oe 34 493-495

Zoological Nomenclature 687

Page leporina, suppression, under the niente tae of, as a eippeecsowic trivial name in the genus Tethys Linnaeus, 1767 .. : ie aye .- 303 ligniperda Latreille, 1802 (as published in the binominal combination Formica Eaneaenee)> placed on the * Official List of Specific Trivial Names in Zoology” .. 410 limacina, suppression, under the plenar y seks ers, of, as a permissible trivial name in the genus Tethys Linnaeus, 1767 .. : =f “a a re seemd0S * Limenitis Fabricius, 1807 (ty pe species selected by Dalman, 1816: ty ond os Lin- naeus, 1758) placed on the ** Official List of Generic Names in Zoology ”’. 494 Limnas Hiibner, [1806], an invalid *‘ Tentamen name, Parts on the ona Index of Rejected and Invalid Generic Names in Zoology 493-494 Limulus Miller, 1785, Secretary to submit BTS on, with reference to the earlier name Xiphosura Briinnich, 1771... : a ne oe oe 311-312 Linnaeus, C terms intermediate between generic and specific trivial names cited in works by, pub- lished subsequent to 10th edition (like those published in the 10th edition) of the Systema Naturae (1 ne) not of EebErte ric status in virtue of being so a aa sion of Opinion 124) . : 266 trivial name based on name of, to be formed linnaei and not linnaeusi or linnei cee weak \ Diodes Heyden, 1826, declared an invalid homonym of Letodes Latreille, 1796 ; ings on the ‘‘ Official Index of Rejected and Invalid Generic Names in Zoology” .. 421 literature-recording serials, authors to be requested to notify to, publication of papers containing names new for taxonomic units or affecting the status of previously pub- lished names... * ie ee SC ae Le 94, 119, 122, 126, 215 littoralis Linnaeus, 1758, Cimea., a ge under the ea Lesh a to be the type species of Salda Fabricius, 1803 2 468 placed on the Official List of Specific Trivial Names in Zoology A a -. 469 Lobophora Agassiz (L.), 1841; placed on the Official Index of Rejected and Invalid Generic Names in Zoology” .. “in “5 me ate ug is Se Sent eet

Loligo Schneider, 1784, declared to be a cheironym possessing no status under the Régles ; placed on the “‘ Official Index of Rejected and Invalid Generic Names in Zoology” .. 589

Lomatoceras Bronn, 1834, suppressed under the plenary powers for purposes of Article 25 but not for those of Article 34 ; ahs on the Official Index of pupiected and Invalid Generic Names in Zoology” .. 378

Loricata, see Polyplacophora.

Lovenechinus Jackson, 1912, application for validation of, with Oligoporus missouriensis Jackson, 1896, as type species, Secretary to confer with specialist regarding .. Wa LG

688 Bulletin of

Page Loxia Linnaeus, 1758, question of admission of, to ‘‘ Official List of Generic Names in Zoology to be considered... Re me oes bs 35 as he -- 582

Lutra Brisson, 1762, proposed addition of, to “* Official List of Generic Names in Zoology deferred until decision taken on av ailability of names in Brisson, 1762, Regnum animale (ed. 2)... ae Ba! Ps a hag ns “i de ¥ Se 314, 315

Lycaeides Hiibner, [1819], placed on the Offiial List of Generic Names in Zoology (type species designated under the Ee ee Papilio argyrognomon Bergstrasser 0779); ae He ye a ‘? ef ont .. 484

mabouya Lacépede, 1788, Lacertus, type species of Mabuya Fitzinger, 1826, by absolute tautonymy ; placed on the Official List of Specific Trivial Names in Zoology : 356

Mabuya Fitzinger, 1826, type species of, Lacertus mabouya Lacépéde, 1788, by absolute tautonymy ; erroneous statement in Opinion 92 that Scincus sloani Daudin, 1803, type species, to be deleted and entry relating to type ia of, in “* Official List of Generic Names in Zoology to be corrected . . a ne a ~. 356

mcfarlandi Cockerell, 1902 (as published in the binominal combination Chromodoris mcefarlandi) emended to macfarlandi under Article 19 ae as ste ae oe, 4M

machaon Linnaeus, 1758 (as published in the binominal combination Papilio machaon) placed on the Official List of Specific Trivial Names in Zoology * E ars -. 496

Macropis Panzer, [1806-1809], application for the validation of, under the BRE. ad deferred for further information to be obtained . : 411

Maire, M. V., question of specimens eligible for selection as leatonyEes of certain species of ammonites named bye ee a 3 Ne Ss ey P a3 ae ripe oO

Malaria Parasites, Human, determination of scientific names of .. a a 594-624

malariae Feletti & Grassi, 1889, Haemamoeba, validated under the plenary powers as the name of the Quartan Malaria Parasite; designated under the plenary powers as the type species of Plasmodium Marchiafava & Celli, 1885 ; denigueied under the es powers as the type species of Hadmatophyllum Metschnikoff, 1887. : 613

placed on the “‘ Official List of Specific Trivial Names in Zoology bs -. 620

malariae Feletti & Grassi, 1889 (as published in the binominal combination Laverania malariae) (in so far as this was published as a new name and not as the trivial name malariae Laveran, 1881) suppressed under the plenary powers... ate ae a. 01g

placed on the ** Official Index of Rejected and Invalid Specitic Trivial Names in Zoology . 629

malariae Laveran, 1881 (as published in the binominal combination Oscillaria malariae) suppressed under the plenary powers ate aur vs ee rab, Ae . Oe

Zoological Nomenclatur 689

Page malariae Laveran, L881, ete. (continued). placed on the * Official Index of Rejected and Invalid Specific Trivial Names in Zoology a SG Bic os Shae bee zs ae a he za Gos malariae Marchiafava & Celli, 1885 (as published in the binominal combination Plasmodium malariae) suppressed under the plenary powers 8 ae ie 34 be ae OS placed on the Official Index of eae tains and Invalid te oak Trivial Names in Zoology ne » : s Bi ae ea 7 Malignant Tertian Malaria Parasite, determination of scientific name of .. a vs, » Glé malvae Linnaeus, 1758 (as published in the binominal combination Papilio malvae) ; placed on the Official List of Specific Trivial Names in Zoology af is ae .. 496 Manatus Briinnich, 1771, Secretary to submit Report on .. a” an a8 pian ol Mancipium Hiibner, [1806], an invalid ‘‘ Tentamen name, placed on the Official Index of Rejected and Invalid Generic Names in Zoology Pa = a as 494,495 Mansour, Professor Kamel, appointment of, as an Alternate Commissioner vice Com- missioner B. Hanké ae as RD 5 a ne Ste oa .. 282 attendance by, at Meetings of the Commission ~ ote as .. 6, 37, 280, 306, 354 approval by, of Minutes of Paris Meetings .. ae by is He a ae hy manuscript name; a name which, prior to being published with an indication, had acquired an irregular currency as a manuscript name, to rank for priority from date of being published + with an indication and to be attributed to the author by whom so published : = ni ve Hie bie “m : .. 259-60, 563 maritimus Scopoli, 1763, Cimex, designated under the plenary powers to be the type species of Beosus Amyot & Serville, 1843 ; placed on the Official List of Specific Trivial Names in Zoology” .. es we oa ae aye ie .. 474

Martin (W.), Figures and Descriptions of Petrifications collected in Derbyshire, 1793, not available under the Reégles ; Petrificata Derbiensia, 1809, not available under the Régles 452

sympathetic consideration to be given to applications for the use of the plenary powers to validate any well-known name which might be invalidated under above decision .. 452 Mechanitis Fabricius, 1807, validated under the plenary powers. . oR 4c .. 456

placed on the Official List of Generic Names in Zoology (type igor selected By Scudder, 1875: Papilio polymnia Linnaeus, 1758) ve 5 457

Mechanitis (Mliger], 1807, suppressed under the plenary powers ; Ser mcee on the Official Index of Rejected and ‘Invalid Generic Names in Zoology ue 456

Megachile Latreille, 1802, Apis centuncularis Linnaeus, 1758, declared to be the type species of, by selection by Curtis, 1828; placed on the Official List of Generic Names

in Zoology a 3 o>: <r % 4 = nee Ale

690 Bulletin of Page Meigen, 1800, Nouvelle Classification des Mouches a deua Ailes; Report by Secretary to Commission on dev elopments since 1935 noted ; eae for dealing with names published in, determined = aE ¢ . a tt ae ws 552-558 Meleagris Linnaeus, 1758, question of admission of, to ‘* Official List of Generic Names in Zoology ”’ to be considered . . af a ae cE Be A: iis 582 Meles Brisson, 1762, proposed addition of, to “* Official List of Generic Names in Zoology deferred until decision taken on availability of names in Brisson, 1762, Regnum animale (edi 2h cx a2 s ee ac > 3 ie a 2 ot ote Be a membership of the Commission, changes in, during period 1935-1948, see Commission, International, on Zoological Nomenclature, Section (f). Merops Linnaeus, 1758, question of admission of, to Official List of Generic Names in Zoology to be considered... ne Bt wes ae ae ne ae sae Oe Metcalf, Professor Z. P., appointment of, as an Alternate Commissioner vice Vice-President James L. Peters a ae ois es as aie ae oT oe a 4 attendance by, at Meetings of the Commission as Be Hie avs 6, 62, 83, 649 communication entitled “‘ Static versus Dynamic Nomenclature by, not submitted through absence of approval by, of Minutes of Paris Meetings .. fe ae ae =e Se Sipe SA Methocha Latreille, [March] 1804, application for the use of the plenary powers to validate Methoca ichneumonides Latreille [Sept.] 1804 as the type bec of, and to emend to Methoca deferred for further information to be obtained we 413, 415 Meuschen (F.C.), index by, to the Zoophylacium Gronovianum of Gronovius, declared to be unavailable for nomenclatorial purposes : Se ae A nee -. 504 Meuschen (F.C.), 1788, Museum Gronovianum declared not available for nomenclatorial purposes Be : Sc $3 5s fe ae a Par Se Facer 73; minor Lubbock, 1862, Macrotoma, ese under the Heey. por. to be the 0p species of Tomoceras Nicolet, 1842... : 506 placed on the Official List of Specific Trivial Names in Zoology sis sie hie SOOT Minutes of Meetings of the Paris Session of the Commission, arrangements for preparation and publication of, see Commission, International, on Zoological Nomenclature, Section (h). misidentified type species, procedure to be adopted in relation to .. ie me 158-159 Moehring (P.N.G.), 1752, Avium Genera translation of by Nozeman and Vosmaer (pub- lished in 1758 as Geslachten der Vogelen) declared not available for nomenclatorial purposes .. ae te oe ve vs eis a Bac oc . eer eS

moelleri Rauser-Chernoussova, 1937 (as published in the binominal combination Schwager- tna moelleri) ; placed on the Official List of Specific Trivial Names in Zoology” .. 464

Zoological Nomenclature

Moera Michelin, 1855 ; ; placed on the ** Official Index of Rejected and Invalid Generic Names in Zoology

Moira Agassiz (A.), 1872, Spatangus atropos Lamarck, 1816, designated under the umeaas powers, in so far as necessary, to be the type species of ae

placed on the “‘ Official List of Generic Names in Zoology Monograpsus Geinitz, 1852, name to be emended to Monograplus ..

Monograptus (emend of Monograpsus) Geinitz, 1852, validated under the plenary powers with Lomotoceras priodon Bronn, 1834, as ty pe sneripe a placed on the * Official List of Generic Names in Zoology” .. ys aie sie ie ie

Monoprion Barrande, 1850, suppressed under the plenary powers for purposes of Article 25 but not for those of Article 34; placed on the *‘ Official Index of Rejected and Invalid Generic Names in Zoology a ty ay fe SE es Be ab

monsters, Linnaean system not available for naming of ; attention of teratologists to be drawn to inconvenience arising from misuse of Régles for the naming of monsters

morrisont Townsend, 1915 (as published in the binominal combination Phoranthella morrisoni) declared invalid; placed on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology ore

378

378

364

383

Morrison-Scott, Mr. T. C. S., attendance by, at public meetings of the Commission .. 62, 230, 272, 280, 306, 354

Mortensen, Commissioner Th., absence of, from Paris Session on account of ill-health

election of, in post-war period as a Member of the Commission vice Commissioner

J. Pellegrin (deceased) resignation of, on grounds of ill-health, accepted by Commission with regret

Acting President requested to Sepa i cn to, ee Sa fe and aioe wishes of the Commission

text of telegram to, despatched by Acting President

moschatus Lamarck, 1798 (as published in the binominal combination Octopus narra - placed on the Official List of Specific Trivial Names in Zoology : he :

Moschites Schneider, 1784, declared to be a cheironym possessing no status under the Régles ; placed on the Official Index of aa ed and Invalid Generic Names in Zoology : ats , oe

moschites Schneider, 1784 (as published in the binominal combination 1 Oe ssmcagpic a suppressed under the plenary powers , ays : placed on the ‘“* Official Index of Rejected and Invalid Specific Trivial Names in . Zoology ae Se oe rs ae fe 6 7 fe os

Motacilla Linnaeus, 1785, question of admission of, to Official List of Generic Names in Zoology to be considered : ~- ae : = -

590

589

588

590

582

692 Bulletin of

Page Museum Gronovianum, 1788, index to, by Meuschen wai C. s declared not available for nomenclatorial purposes = ie : Bes aa 32 Se) eabiss Nabis Latreille, [1802-1803], ys on the Official List of Generic Names in gue ae (Opinion 104) confirmed 467 najas De Geer, 1773, Cimex, designated under the plenary powers to be the type species of Aquarius eat ide ‘Placed ¢ on the Official List of Pie aula Trivial Names in Zoology ve 473-474 Najas Hiibner, [1806], an invalid “‘ Tentamen name; ey on the Official Index of Rejected and Invalid Generic Names in Zoology Ate 493-495 Natur-System der vierfiissigen Thiere (Deh, 1775, nia Frisch a L.) declared unavailable for nomenclatorial purposes ; 549 Naucoris Geoffroy, 1762, question of validation of, under the plenary wee to be considered by the Commission on receipt of a Report by the Secretary . ahs one naucrates (emend. of neucrates) (as published in the binominal combination Echeneis neucrates) ; placed on the Official List of Specific Trivial Names in Zoology -. 539 Nautilus Schneider, 1784, declared to be a cheironym possessing no status under the Régles ; placed on the * Official Index of Rejected and Invalid Generic Names in Zoology” .. 589 nautilus Schneider, 1784 (as published in the binominal combination Se acca suppressed under the plenary powers 588 placed on the Official Index of Re mer} and Invalid Sees Trivial Names in Zoology Es 590 Necator (emend. by Sclater & Saunders, 1896, of NV anes Finsch & Hartlaub, 1870, suppressed under the plenary powers 301 Necator Stiles, 1903, validated under the plenary abe and anager ap of, on Official List of Generic Names in Zoology confirmed oes 300-301 Neotypes, question of recognition of, as a class of type specimen to be the subject of a Report to be ig by the eet to the Commission in consultation with specialists 4a 3h ne 191-193 misleading reference to, in Opinion 126, cancellation of .. re us ae os | OT Neptis Fabricius, 1807, validated under the plenary powers sts 5c ate .. 456

placed on the Official. List of Generic Names in Zoology (type species selected by Crotch 1872; Papilio aceris Esper [1783] [ Papilio hylas Linnaeus, 1758, ssp.]) srsee Ian

Zoological Nomenclature 693

Page Neptis | Mliger], 1807, suppressed under the plenary powers ; placed on the ** Official Index of Rejected and Invalid Generic Names in Zoology ae a % z 3 156 Nereis Hiibner, [1806], an invalid ‘‘ 'Tentamen”’ name ; placed on the ** Official Index of Rejected and Invalid Generic Names in Zoology _ in ate a 492-495 neucrates Linnaeus, 1758, (as published in the binominal combination Echeneis Linnaeus, 1758) emended to naucrates under Article 19 as i oe i ik erry ss {) designated under the plenary powers to be the type species of Echeneis Linnaeus, 1758... 538 Nesbitt, Dr. H. H. J., attendance by, at public meetings of the Commission .. 272, 306, 354 nomen dubium, the name of a nominal species, when the taxonomic species represented thereby cannot be recognised . . ofr a za ars + wre ne a 76 a name not exempt from the provisions of the Law of meen a on the sek that the older published identical name is a nomen dubium .. : 398-399 nomen nudum, a name published without an indication” .. oe =i ss saeeseo name originally published as a nomen nudum, on later being published with an ‘indication to rank for priority from date of being so published and to be attributed to the author by whom so published is +" sb < he . 259-260, 563 “nomenclature binaire *’, Report on meaning of expression de Ae 4 .. 63-66 “nominal genus ”’, expression defined .. io 5: oe ae xe mit 179-180 * nominal species ”, expression defined = ele ue & at Fe 179-180 nominotypical subspecies of a polytypic species, introduction of rules governing naming of, see Régles, etc., New Article (3). non-scientific press, Recommandation to be inserted deprecating publication of new names in, see Régles, etc., Article 25, provisions relating to publication. Notozus Forster, 1853, application for the validation of, under the plenary powers, deferred for further information to be obtained aE ae sts Ae ae Re 413, 415 novaezealandiae Owen, 1843, Dinornis, selection of a ey ake, of, by Lydekker 1891, declared to be in conformity with Article 31 . ; - 449

placed on the Official List of Specific Trivial Names in Zoology nie Bic .. 450

Nozeman and Vosmaer, 1758, Geslachten der Vogelen, declared not available for nomen- clatorial purposes a = tc ae a ‘fe Sa a ris see DOS

Nymphalis Kluk, 1802 (type species selected by Hemming, 1933 : Papilio ha BUS Linnaeus, 1758) ; placed on the “‘ Official List of Generic Names in Zoology 495

694 Bulletin of

Page Nymphidium Fabricius, 1807, entry on the Official List of Generic Names in Zoology confirmed (type species selected by Crotch, 1872: Papilio caricae Linnaeus, 1758) .. 458

Nymphidium [llliger], 1807, suppressed under the plenary powers ; mate on the * Official Index of Rejected and Invalid Generic Names in Zoology : a 456

\

Nysso Latreille, 1796, application for the use of the PNY aes to emend to Nysson deferred for further information to be obtained... 0 414, 415

Octopodia Schneider, 1784, suppressed under the plenary powers .. Se Me -. 588 placed on the ‘* Official Index of Rejected and Invalid Generic Names in Zoology” .. 589

\

Octopus Cuvier, [1797] (type species by absolute tautonymy, under Opinion 16 : Octopus vulgaris (correction of sree! sage (1797) nt on the Official List of Generic Names in Zoology”. : 5 ae <5 OBO)

Odgnerus Latreille, [1802-1803], application for the designation, under the plenary powers, of Vespa spinipes Linnaeus, 1758, as type species of, deferred for further information to be obtained om 2% of : E. _ rs ne i ne 414, 415

offence, political, religious or personal, zoological nomenclature not to be used for giving 193-194

Offices of the Commission, changes in, during period 1935-1948, see Commission, Inter- national, on Zoological Nomenclature, Section (g).

‘: Official Index of Rejected and Invalid Generic Names in Zoology,” generic names suppressed under the ee ee ers or declared to be invalid or non-existent to be recorded in oe : ae 30 ae ce S- a6 a oo ibaa

to be recorded in a Schedule to the Régles .. we is xe ae ge ico Oe

** Official Index of Rejected and Invalid Generic Names in Zoology,” names placed on, during Paris Session.

Apatura [Mlliger], 1807 A ee, ne sts ae ete oh iu antoG Arachnoides Klein, 1778 se ne A a es 4c oS ebay Belone Oken, 1815 me! ite = sre ie ae oe He fe -. 428 Brassolis (Mliger], 1807 “ff "3 ¥ ats ee oe ae <S .. 456 Brenaus Panzer-Jurine, [1801-1804] . . fe st 40 oes 4c - oe SOT Brissus Dahl, 1823 st 28 Se Fe a ahs AG ve ae 526, 528 Brissus Leske, 1778... a SE we 8 sas ce Se oe -. 628

Brissus Link, 1807 os Sn Ee $0 eet teh se oe oe 526, 528

Zoological Nomenclature

** Official Index of Rejected and Invalid Generic Names in Zoology,’ during Paris Session (continued).

Brissus Modeer, 1793

Brissus Miiller (O.F.), 1781. . He os ae a ai Brissus Oken, 1815 a <s site ae ae Ae ats Brissus as used by any other author prior to Gray, 1825 .. Bryssus Dejean, 1821

Castnia [Illiger], 1807

Cercopithecus Brinnich, 1771

Clavellaria Lamarck, 1801

Clavellarius Olivier, 1789 Se Bie Ae be =e a0 Consul Hiibner, [1806]

Coriscus Schrank, 1796

Cytamoeba Danilewsky, 1891 ..

Cytosporon Danilewsky, 1891 ..

Cylozoon Danilewsky, 1891

Diadema Ranzani, 1817

Diadema Schumacher, 1817

Dryas Hiibner, [1806] ..

Echinarachnius Leske, 1778

Echinarachnius as used by any other author prior to Gray, 1825 Echinocardium Leske, 1778

Emesis [Illiger], 1807 .. ae a aie ae ate Sc Euploea [Illiger], 1807 .. re 8 ie Bie aie ate Gladiolites Barrande, 1850

Graptolithus Linnaeus, 1768

Haemamoeba Feletti & Grassi, 1889 ..

Haematomonas Osler, 1886

Hamadryas Hiibner, [1806]

Hamatophyllum Metschnikoff, 1887

Haemocytosporon Danilewsky, 1891

Haemosporidium Lewkowicz, 1897

Heliccoplis [Iliger], 1807

Latiorina Tutt 1909 .. oe Sie ae Ac aie oe

oe

695

Page

names placed on,

526, 528 626, 528 526, 528 526, 528 526, 528 456 311 404 404 492, 495 467

384 492, 495 535

535

620 620

696. Bulletin of Page ‘* Official Index of Rejected and Invalid Generic Names in Zoolory,” names placed on, during Paris Session (continued). Lemonias Hiibner, [1806] SA a ota Ac ata Se fe a 493, 495 Limnas Hiibner, [1806] as dic m8 oe are we ut. oD 493, 495

Liodes Heyden, 1826 .. we Es oa or Pa ia <e oa earenl Lobophora Agassiz (L.), 1841 .. oe se ve ate ats wn ae .. 535

Loligo Schneider, 1784 ae ats ar rie ae ain a3 bit Aevees9 Lomatoceras Bronn, 1834 an =a oe ae ae bee ae ae 378 Mancipium Hiibner, [1806] .. oe ane ae oe 53 ate =e 494, 495 Mechanitis [Iliger], 1807 ate She S65 fe eRe Me Se ae -. 456 Moera Michelin, 1855. .. oid ae aie oe ds ae LF i. -. (628

Monoprion Barrande, 1850... oe aie se oe Ar 5 i 2 878

Moschites Schneider, 1784 “tC aa nie ae Ag at oe mA -. 589 Najas Hiibner, [1806] .. oi ae se Su oe ot Sh 493, 495 Nautilus Schneider, 1784 sis ne ao oe ae in 33 a se +589 Neplis {IMlliger], L807... ie ons Me oe sre he ae Sh snd6 Nereis Hiibner, [1806] .. nf ome RS es ie sea kts ee 492, 495 Nymphidium |iliger], 807... ve a o9 a ae Re He -. 456 Oclopodia Schneider, 1784 ae ate ab Oo <3 ar ie Pic Boe rst) Oreas Hiibner, [1806] .. a6 nes * ae ome ee Bs os 492, 495 Orpheides Hiibner, [1819] ae mc) me nd mie Si a ae = 484 Oscillaria Laveran, 1881 Bs aie AD Ob ane we A ar Ss620 Ozoena Rafinesque, 1814 a t at Esa colar me A in 2 aensbB89 Phoranthella Townsend, 1915 .. Baptee Si abe a ae xk fe ea oaS Polypus Leach, 1817 .. 52 Se 56 ate as fe ate Th va) 1589 Polypus Schneider, 1784 Eee a5 she be om ae is i. Bein! ict’) Pompilus Schneider, 1784 we ona dis ae Bc Bi da St seem g590 Pontia [Illiger], 1807 .. Se 5a a6 Be s Ee ae ate si e6 Porina Walker, 1856... ne Por ae ote ae + OBL tie ind 357 Potamis Hiibner, [1806] as Ae ate ac Se Ri Be ate 492, 495

Princeps, Hiibner, [1806] AP apa ue af: a aks sv ay 493, 495 Prospatangus Lambert, 1902 .. i ne aS AI <i ae M6 arp O28 Raphistoma Rafinesque, 1815 as ae ae = ate os shh ces,

Remora Forster, 1771 .. AA A oe “ie a aes an A oy ED

Zoological Nomenclature

697

Page

Official Index of Rejected and Invalid Generic Names in Zoology,” names placed on,

during Paris Session (continued).

Remora Gouan, 1770 .. ath ors ey sie site

Rusticus Hiibner, [1806] s ar ote aie Sepia Schneider, 1784 .

Sepiola Schneider, 1784

Spatangus Leske, 1778

Spatangus Modeer, 1793 te a as oa ea

Spatangus as used by any other author prior to Gray, 1825

Spilothyrus Duponchel, 1835 .. ee “c ae ais

Teleosteus Volger, 1860 Teuthis Schneider, 1784 Thymele Fabricius, 1807 Thymele |Mliger], 1807 ..

Urania [Illiger], 1807 Urbanus Hiibner, [1806]

494,

494,

(Note : Under the decision by which the “‘ Official Index of Rejected and Invalid

Generic Names in Zoology

was established, every generic name which has

been, or in future is, rejected or declared to be invalid is automatically to be placed on that “‘ Index.” In addition, therefore, to the names cited in the fore- going list, certain names rejected earlier during the Paris Session and also all names rejected in Opinions published prior to that Session were also placed on the Official Index under the foregoing decision taken during the Paris Session.)

* Official Index of Rejected and Invalid Specific Trivial Names in Zoology ”’.

*

trivial names suppressed under the plenary powers or declared to be invalid or non-

existent to be recorded in

to be included in a Schedule to the Régles

Official Index of Rejected and Invalid Specific Trivial Names in Zoology ”’, names placed

on, during Paris Session

Trivial name placed on

* Official Index” trivial name in Col. (1) originally published (1) (2) arenarius Kdwards, 1771 Ge ee .. Cancer arenarius aristolochiae Pallas, as published prior to 1780 Papilio aristolochiae .. ascanius Linnaeus, 1768 a Pie oe Papilio ascanius coeruleus Miiller (O.F.), 1785 .. “s te Cyclops coeruleus

faleiforme Antolisei & Angelini, 1890 falciforme Thayer & Hewitson, 1895 ..

hominis Danilewsky, 1891

Combination in which

Lmatazoo falciforme Haematozoon falciforme

Laverania hominis

idas Linnaeus, 1758 Al: x Ce ni Papilio idas

immaculata Grassi, 1891 (as applied to a human Haemamoeba immaculata

malaria parasite)

539 495

458 456 456 495

334 334

698 Bulletin of

“* Official Index of Rejected and Invalid Generic Names in Zoology,” names placed on,

during Paris Session (continued).

Trivial name placed on ‘* Official List”

(1) ingens Owen, 1844 irregularis Kruse, 1892 irregularis Sakharov, 1892 i laverani Labbé, 1894 malariae Feletti & Grassi, 1889 malariae Laveran, 1881 malariae Marchiafava & Celli, 1885 morrisoni Townsend, 1915 moschites Schneider, 1784 nautilus Schneider, 1784 polypus Schneider, 1784

praecox Grassi & Feletti, 1890 (as applied to a human malaria parasite)

primaevus Volger, 1860 quartanae Celli & Sanfelice, 1891 quartanae Kruse, 1892 .. quartanae Lewkowicz, 1897 quotidianae Celli & Sanfelice, 1891 scalaris Linnaeus, 1768

sepia Schneider, 1784 sexdecimanae Lewkowicz, 1897 tertianae Celli & Sanfelice, 1891 tertianae Kruse, 1892

tertianae Lewkowicz, 1897 teuthis Schneider, 1784 .. tropica Kock, 1899

undecimanae Lewkowicz, 1897

vigesimotertianae Lewkowicz, 1897

Combination in which trivial name in Col. (1) originally published

(2)

Dinornis ingens

Plasmodium malariae irregularis Haemamoeba febris irregularis Haemamoeba laverani Laverania malariae

Oscillaria malariae Plasmodium malariae Phoranthella morrisoni Octopodia moschites .. Octopodia nautilus

Octopodia polypus

Haemamoeba praecox

Teleosteus primaevus Plasmodium malariae quartanae Plasmodium malariae quartanae Haemosporidiwm quartanae .. Plasmodium malariae quotidianae .. Graptolithus scalaris . . Octopodia sepia Haemosporidium sexdecimanae Plasmodium malariae tertianae Plasmodium malariae tertianae Haemosporidium tertianae Octopodia teuthis

Plasmodium tropica .. Haemosporidium undecimanae

Haemosporidium vigesimotertianae . .

(Note.—Under the decision by which the Official Index of Rejected and Invalid Specific Trivial Names in Zoology was established, every generic name which has been, or in the future is, rejected or declared to be invalid is automatically to be placed on the “‘ Index”. In addition ,therefore, to the names cited in the foregoing list, certain trivial names rejected earlier during the Paris Session and also all the trivial names rejected in Opinions published prior to that Session were also placed on the Official Index” under the foregoing decision taken

during the Paris Session.)

Page

Zoological Nomenclature 699

Pag Official List of Generic Names in Zoology ”: scope and purpose of .. ats = oe aie “Fr Ae 5 -. 267-268, 271 status ofa name placed on, si ss an sis ne iF Gi avg h 268 gender of each name placed on, to be specified in Opinion concerned and recorded in appropriate Schedule to Régles .. Sc ors oe te 3 xe -. $41 duties of the International Commission on Zoological Nomenclature in relation to maintenance and development of defined, and to be specified in By-Laws .. useel 269 two or more names of allied genera to be placed on, where specialists are agreed that such stabilisation is desirable but are not agreed as to the taxonomic limits of the genera concerned a Nn: aa v wi 50 AE - AP 237, 268 to be included in a Schedule to Régles ae Sy = zt ta ae aay 334 Official List of Generic Names in Zoology ’’, confirmation, subject, in some cases, to modifications, of certain entries in, made under Opinions published prior to the Paris Session :— Cercopithecus Linnaeus, 1758 (Opinion 104), name validated under the plenary powers and type species similarly designated .. bi id ie Me Se HI] Echeneis Linnaeus, 1758 (Opinion 92), erroneous entry relating to type species validated under the plenary powers ae Ar a a: 5388—539 ELuploea Fabricius, 1807 (Opinion 163) validated as against Huploea [Illiger], 1807, under the plenary powers. . Ee be a: aor eee Ac ae -- 457 Helicopis Fabricius, 1807 (Opinion 137), validated as against Helicopis [Illiger], 1807, under the plenary powers if He ae 33 He one oe -. 457 Laverania Feletti & Grassi, 1889 (Opinion 104) erroneous entry cancelled and revised entry under the plenary powers substituted therefor .. * aE Sr 612, 619 Limulus Miiller, 1785 (Opinion 104), a Synonym of Xiphosura Briinnich, 177] : Secretary to the Commission to submit Report on question of using plenary powers to validate existing entry Se se ee ors ae se 311-312 Mabuya Fitzinger, 1826 (Opinion 92), erroneous entry regarding type species of, corrected .. oF +. Be SF Be Re a os ye 2 356 Nabis Latreille [1802-1803] (Opinion 104), position secured through the suppression of Coriscus Schrank, 1796, under the plenary powers .. a st bu -. 467 Necator Stiles, 1903 (Opinion 66), validated under the plenary powers by suppression of Necator Sclater & Saunders, 1896... on Se Ae Pe se yi 1 | Nymphidium Fabricius, 1807 (Opinion 171), validated as against Nymphidium [Illiger], 1807, under the plenary powers 23 ae = 5c Ae -. 458 Plasmodium Marchiafava & Celli, 1885 (Opinion 104) erroneous entry cancelled and revised entry under the plenary powers substituted therefor . . Se en 612, 619 Podura Linnaeus, 1758 (Opinion 104), type species of, varied under the plenary powers : ae “ie an oi ye on Sc aa 506-507 Pontia Fabricius, 1807 (Opinion 137), validated as against Pontia [Lliger], 1807, under the plenary powers. . ah Ns a by. ry zis ; 458

Schistosoma Weinland, 1858 (Opinion 77), validated under the plenary powers 322-393

Taenia Linnaeus, 1758 (Opinion 84), validation, under the plenary powers, of entry relating to type species of ye “e st 3 585-586

700 Bulletin of

Page * Official List of Generic Names in Zoology,” names placed on, during Paris Session :

Actinote Hiibner, [1819] Sos web) des ae) eek. wee, Veebor eee Gan cee Agriades Hiibner, [1819] oe a5 so ae as a ae wie ~. 484 Alca Linnaeus, 1758 ig . ae Ls = Pic afd a me ai -- 581 Alydus Fabricius, 1803 ate aie ve RA eye te se ete -.- 467 Amplypterus Hiibner, [1819] .. se fe a ate se ore ate ss. 509 Apatura Fabricius, 1807 oe oe a ae se os .- os «. 457 Aplysia Linnaeus, 1767 ae oe ae sc ae a ane ee -. 303 Aquarius Schellenberg, 1800 .. ae wie aie we Hc = ote 473, 474 Arachnoides Leske, 1778 a7 ie as ye ae Se de -. 534 Aspidoproctus Newstead, [April] 1901 ne Se 5k Aa fe wd Acie Stilt Aulocera Butler, 1867 tial tetas a F era a “iy afd ~. 494 Bellocoris Hahn, 1834 .. ee ora Ax ate ae ne Ke ate 473, 474 Belone Cuvier, 1817. ef st ai SA Ea ee fs ois ~- 428 Beosus Amyot & Serville, 1843 <8 a a5 o- S So ac .. 474 Bombus Latreille, 1802 ae oe 5s ae ae A‘ 45 406 Brassolis Fabricius, 1807 = ore aie te ote oe se ye +. 457 Brissus Gray, 1825 Pic ere fe aie “fe ete os as on, te Bulla Linnaeus, 1758 .. a5 Be BS on Oo ate Rye te .. 305

Calliphora Robineau-Desvoidy, 1830 St {8 aa ote ae =e -- 356 Camponotus Mayr, 1861 ac Ae ac sc a os oe or Bree kU) Carabus Linnaeus, 1758 cs ac re ti ae te eee oe -- 446

Carcharodus Hiibner, [1819] .. Ar ie ee an as ae aA ~. 484 Castnia Fabricius, 1807 i a ate ae ais ai aes oie «. 457 Catoplatus Spinola, 1837 aks ae aie ye ae 2 fs ste oo 474 Chrysopa Leach, 1815 .. op 3 fe ele ete aie A abe -. 396 Consul Hiibner, [1807] is ae dic ae aS sr af a -- 494 Corixa Geoffroy, 1762 .. oe at ais ss ahs ea ae He 7. oO Danaus Kluk, 1802 th re xf ae syd a sis aP ie is, 404 Diadema Gray, 1825... eas Se ois “fe Ae ity es ae +. 384

Dictyonola Curtis, 1827 BG ae a6 a a os - es eo. 474 Diplodinium Schuberg, 1888 Sn ia Pa A a eee eh Nay OR EARP ao Om Echinarachnius Gray, 1825... ae sa Ac on oie ar oe -. 534

Echinocardium Gray, 1825 Oe eye a éé aye we aA a os) HO

Zoological Nomenclature 701

Official List of Generic Names in Zoology’, names placed on, during Paris Session <a (continued). Echinocyamus van Phelsum, 1774... ae or as ot, ue bel suelo Echinodiscus Leske, 1778 a et se Fs te bid 7. oe pa (585 Eledone Leach, 1817... $4 fe vt - ea ts ahs as ee “58D Hmesis Fabricius, 1807 te oh “fs A ova he AA ne aoe b7 Equus Linnaeus, 1758 .. < sk a ae ite ihe es of ee ©6581 Erycina Lamarck, 1805 oh as Lk of ef its o8 ae ee «418 Euchloé Hiibner, [1819] ae Be oh se ee se Fc ie oo 484

Euphydryas Scudder, 1872... she ote se ate 5 ae ate eo 494 Fibularia Lamarck, 1816 AS sts BS YC ste sie ae ae seme 519 Formica Linnaeus, 1758 ats ate =5 ae a AA +3 “fs ee 409

Gastrodes Westwood, 1840... An ay te Ae ay ate Bi eo ©6473 Hemerobius Linnaeus, 1758 .. ore avs ‘ite ara Sis 44 An stew OOG Hygrobia (emend. of Hygriobia) Latreille, 1804 nis ay aa 4c ate -- 460 Limenitis Fabricius, 1807 oh aa SVs tc te ws ae ak os . 494 Lycaeides Hiibner, [1819] as ae fe Ae aa ste ate = -. 484 Mechanitis Fabricius, 1807... Ay LY Si, Be ae ae = es 457 Megachile Latreille, 1802 és sis ats He ate a Bie ae wiat meet Moira Agassiz (A.), 1872 te 38 ate ae =e Be aie yc are ED OS: Monograptus (emend. of Monograpsus) Geinitz, 1852 a ae a ae os 378 Neptis Fabricius, 1807 ha oe ae ie ar sp a ai mist 457 Nymphalis Kluk, 1802 .. ae ae as ate ae at ~6 Ae «0,4 495

Octopus, Cuvier, [1797] Se Ac a i ats An a ale -- 589 Oncotylus Fieber, 1858 oR ae We a5 ate ae es + acy Cae Ova Gray, 1825 .. Bs 2, La a oe se ae an We san) 7D28 Oxycanus Walker, 1856 B. sis ae “i 7 Fe ote oe Sey Sin Pachylops Fieber, 1858 ate 32 aa af “fa ats sii aie ar 4a Palaeoneilo (emend. of Palaeancilo) Hall, 1869 ai << a ai AA -- 400 Papilio Linnaeus, 1758 ‘fe ae ote oe <3 ne ae we, 495 Phlebotomus (emend. of Flebotomus) Rondani, 1840 ve ae ae ae ems. SOU

Phyllacanthus Brandt, 1835 .. =. =i ae sie os ae we oa. Oot Pieris Schrank, 1801 .. # Ke aie she ae er oe AC date 495 Pilophorus Hahn, 1826 ms on Ps yee ~~ ae ee oe se Ae atte) Ard Plebejus Kluk, 1802... es AF iva Pye eS 48 ae a iiex, AOD

702 Bulletin of

Page Official List of Generic Names in Zoology’, names placed on, during Paris Session (continued). Polyommatus Latreille, 1804 - 484 Pseudoschwagerina Dunbar & Skinner, 1935 ia os at eb im «464

Psolos (emend. of Psoidos and Psod.s) Treitschke, 1825 .. a4 ge oe 231

Pyrgus Hiibner, [1819]. . s es HD te st a6 ae oe =<, prt 9D Raphistoma Hall, 1847 .. Se se A ae x6 ee ae na -- 428 Remora Gill, 1862 =f of or ag Bes ae - Ly me Bee att) Retiolites Barrande, 1850 a ay. ap ag te oe a és PR Yh) Rhipidophyllum Sandberger, 1889... ys ae Si 5% fs eo: -. 430 Saida Fabricius, 1803 .. an ap ee as a a de ae cote 469 Schizaster Agassiz (L.), [1836] .. so ots 4c ae a on af sou O28 Schwagerina von Mller, 1877 .. bn oe ste Ct “e Se ie -. 464 Spatangus Gray, 1825 3 528 Strongylocentrotus Brandt, 1835 ie che 6 3 4c ote 3d Fics ob aya Tethys Linnaeus, 1767 .. He; bc AR ie 5 os ae sis om aula Tetyra Fabricius, 1803 .. a oe aC ae ae ae ae . oo = 4. Tomoaceraos Nicolet, 1842 ys et 5s af Pe Br as igs sie, O07 Tonna Briinnich, 1771 .. ee fe A ite a: ig xy ae Feat oil) Tremataspis Schmidt, 1866 .. ie we fe sts “3 ae fs -- 4385 Urania Fabricius, 1807 rit ae - ae =e ae bs af aes 407) Venus Linnaeus, 1758 .. oe .3 Oh cr, re as oa nm 304

(Note.—Under a decision taken during the Paris Session, every generic name which has formed, or in future forms, the subject of a decision by the Commission is automatically to be placed on the “‘ Official List of Generic Names in Zoology or, as the case may be, the Official Index of Rejected or Invalid Generic Names in Zoology ”’, save in cases where it has been, or is, necessary for the Commission to give a decision on a name which is an available name but is not accepted by specialists as being required for taxonomic purposes (i.e., a name which is treated as a subjective synonym of some older and available name). In consequence of the foregoing decision, a number of names dealt with in Opinions published prior to the Paris Session were also placed on the Official List at that Session, in addition to those specified in the list of names given here.

Official List of Specific Trivial Names in Zoology” (at first proposed to be styled Official List of Specific Names in Zoology ”’)

establishment of, and scope and purpose of .. = a .. 270-271, 283-284, 627-62 status ofa name placed on... 2 at .% 33 t st E ALS ve ae

duties of the International Commission on Zoological Nomenclature in relation to maintenance and development of defined, and to be specified in the By-Laws .. ass peal

Zoological Nomenclature

“* Official List of Specific Trivial Names in Zoology ”’ (at first proposed to be styled Official

List of Specific Names in Zoology ’’) (continued).

two or more names of nominal] species to be placed on, where specialists are agreed that stabilisation of the name of a given taxonomic unit is desirable but are not agreed as to whether that taxonomic unit should be regarded as a distinct species or as a

subspecies of a second nominal species

trivial names of subspecies eligible for admission to. 48 ne Ka or me

to be included in a Schedule to the Régles

Session. Trivial name placed on ** Official List” (1) abietum Bergroth, 1914 aceris Esper, [1783] alceae Esper, [1780]

ampulla Linnaeus, 1758

antillarum Kirkaldy, 1909 Se sc fe

aquatica Linnaeus, 1758

argus Linnaeus, 1758 argyrognomon Bergstrasser, [1779] aristolochiae Fabricius, 1775 ascanius Cramer, [1775]

atropos Lamarck, 1816 .. australis Walker, 1856 .. austriacus Schrank, 1776

belone Linnaeus, 1761

bicolor Douglas & Scott, 1868 .. bisperforatus Leske, 1778

brahminus Blanchard, 1844 brassicae Linnaeus, 1758 calcaratus Linnaeus, 1758

canaliferus Lamarck, 1817

caricae Linnaeus, 1758 .. 5 : A\c ae

centuncularis Linnaeus, 1758

cereus Linnaeus, 1767

- ciliaris Philippi, 1837

clavatus Linnaeus, 1767

Official List of Specific Trivial Names in Zoology’, names placed on, during Paris

703 Page 627 627 333-334 Combination in which trivial name in Col. (1) originally published (2) Gastrodes abietum 473 Papilio aceris 458 Papilio alceae 485 Bulla ampulla 305 Cimexz antillarum .. 474 Podura aquatica 507 Papilio argus 480 Papilio argyrognomon 480 Papilio aristolochiae .. 545 Papilio ascanius 545 Spatangus atropos .. = ve MOS Oxycanus australis 357 Cimex austriacus 473, 474 Esox belone 428 Litosoma bicolor = ae -. 474 Echinodiscus bisperforalus 535 Satyrus brahminus 496 Papilio brassicae 496 Cimex calcaratus 467 Spatangus canaliferus 528 Papilio caricae me ae és, © 458 Apis centuncularis 413 Papilio cereus 458 Asterias ciliaris 513

Cimex clavatus oa 35 “2

704

Bulletin of

‘* Official List of Specific Trivial Names in Zoology (at first proposed to be styled ‘‘ Official

List of Specific Names in Zoology ”’) (continued).

Trivial name placed ou ** Official List

(1)

constricta Conrad, 1842

cordatus Sowerby, 1813 a ae cordatus Pennant, 1777 AS ate corus Fabricius, 1793 .. fe, as

creusa Doubleday, [1847! cae cupido Linnaeus, 1758 ..

dapl:dice Linnaeus, 1758

de’ tatum Stein, 1858

depilans Gmelin, 1791

diana Linnaeus, 1758 .. ae ae droLachiensis Miller (O.F.). 1776 oe dubius Brandt, 1835

espert Kirby, 1871

fabius Cramer, [1776] .. 2 os fabricii Stal, 1868

falciparum Welch, 1897 se aie feisthameli Duponchel, 1832... <s fimbria Linnaeus, 1767 ae ae

galea Linnaeus, 1758. . Su ae geinitzianus Barrande, 1850

glandon Prunner, 1798 .. we at granulatus Linnaeus, 1758

humulinus Linnaeus, 1758

hylas Linnaeus, 1758... Ak; ae idas Linnaeus, 1761

ilia [Schiffermiiller & Denis], 1775

iris Linnaeus, 1758

ligniperda Latreille, 1802

littcralis Linnaeus, 1758 aP oe

mabouya Lacépéde, 1758

machaon Linnaeus, 1758

Combination in which trivial name in Col. (1)

originally published

(2) Page Nuculites constricla.. 400 Ammonites cordatus 393 Echinus cordatus 528 Papilio corus 457, 458 Anthocharis creusa ate fe -. 485 Papilio cupido .. ae ae 457, 458 Papilio daplidice Ae se -. 4658 Entodinium dentatum .. =4 -. 380 Aplysia depilans ae Sc 303 Simia diana... e a 311 Echinus drobachiensis .. Sh «. 622 Gddariies (Phyllacanthus) dubius 522 Euchloé ausonia Hiibner var. esperi.. 486 Papilio fabius 496 Tingis fabricti .. e- a -. 474 Haemalozoon falciparum 620 Papilio feisthameli - 499 Tethys fimbria .. aie Bic -- 303 Buccinum galea » 310 Gladiolites geinitzianus 379 Papilio giandon 486 Carabus granulalus 446 Hemerobius humulinus . . 397 Papilio hylas 458 Papilio idas 480 Papilio ilia 542 Papi io iris 458 Formica ligniperda 410 Cimez littoralis wie os -- 469 Lacertus mabouya 356 Papilio machaon “is pis oo), 406

List of Specific Names in Zoology”) (continued).

Trivial name placed on

“* Official List (1) malvae Linnaeus, 1758 maritimus Scopoli, 1763 - minor Lubbock, 1862

moelleri Rauser-Chernoussova, 1937 .

moschatus Lamarck, 1798 najas De Geer, 1773 naucrates (emend. of neucrates)

novaezealandiae Owen, 1843

orientalis Bremer, 1864

ovata Rudolphi, 1803

ovulum Lamarck, 1816 .. ai

panopus Cramer, [1779]

papatasi Scopoli, 1786 .. ee papyraceus Sowerby, 1822... parma Lamarck, 1816 .. oe

pecten Linnaeus, 1758 pellucida Lamarck, 1805 perla Linnaeus, 1758 pertinaz Newstead, 1901 phaeton Drury, [1773] .. Satecgin Linnaeus, 1758

plexippus Linnaeus, 1758 ee

podalirius Linnaeus, 1758

polychloros Linnaeus, 1758

polymnia Linnaeus, 1758 a

populi Linnaeus, 1758 .. princeps Ehrenberg, 1842 priodon Bronn, 1834

punctipes Reuter, 1873 we pusillus Miller (O.F.), 1776 ..

purpureus Miller (O.F.), 1776

Zoological Nomenclature

Official List of Specific, Trivial Names in Zoology (at first proposed to be styled “* Official

?

Combination in which trivial name in Col. (1) originally published

705

(2) Page Papilio malvae .. 496 Cimex maritimus 474 Macrotoma minor 507 Schwagerina moelleri 464 Octopus moschatus 590 Cimex najas 473, 474 Echeneis neucrates 539 Dinornis novaezealandiae 450 Anthocharis belemida Hiibner_ var. orientalis : re 486 Fasciola ovata .. .y a «- 387 Fibularia ovulum ais aie - 519 Sphinx panopus 509 Bibio papatasi 359 Pec en papyraceus 436 Scutella parma 535 Anomia pecten 436 Erycina pellucida 418 Hemerobius perla 397 Walkeriana pertinax 382 Papilio phaeion 496 chinus placenta 535 Papilio plexippus 361 Papilio podalirius 499 Papilio polychloros 496 Papilio polymnia 458 Papilio populi . 496 Borealis princeps 464 Lomatoceras priodon 378 Oncotylus punctipes .. 474 Echinocyamus pusillus . . 519 Spatagus purpureus .. ne sam. Veo

706 Bulletin of

Official List of Specific Trivial Names in Zoology (at first proposed to be styled ‘‘ Official List of Specific Names in Zoology ”) (continued).

Trivial name placed on Combination in which Official List” trivial name in Col. (1) originally published

(1) (2) Page remora Linnaeus, 1758 ae -. LEcheneis remora aie =e : 539 rufa Linnaeus, 1758... ate +e .. Formica rufa > 5 410 schmidti Rohon, 1892 .. & a TLremataspis schmidti 435 setosa Leske, 1778 < se = .. LEchinometra setosa : : 385 solium Linnaeus, 1758 .. «. Taenia solium .. ae ae -- 586 sophorae Linnaeus, 1758 ae as .. Papilio sophorae ans es -. 458 striatus Emmons, 1842 .. Rf) -. Maclurea striatus os A ura ZS strichnocera Fieber, 1844 Sy 6 «. Dictyonota strichnocera Ae «. 474 struthoides Owen, 1844 .. ae oa .. Dinornis struthoides .. At -. 450 studeri Agassiz (L.), 1840 -. NSchizaster studeri Se SE es eS tardus Herbst, 1779 .. Pes a .. Dyiscus tardus 3 . 461 terrestris Linnaeus, 1758 Mf a6 e. Apis terrestris .. Sc ae | os == 407 thalia Linnaeus, 1758 .. aie Sh -. Papiliothalia .. a ae o-- 395 uddeni Peede & Kniker, 1924 .. Re -. Schuagerinauddeni .. on -. 464 unicolor Leske, 1778 .. -. Syatangus brissus var. unicolor nme) verrucosa Linnaeus, 1758 “a KS -. Venus verrucosa oy =e set oUD vivax Grassi & Feletti, 1890 .. ar .. Haemamoeta vivax 33 = . 620 vomitoria Linnaeus, 1758 Ame a -. Musca vomitoria wk ue Seeing vulgaris Cuvier, [1797] e ie .. Octopus vulgar:s.. na hy Ae SOOO vulgare Sandberger, 1889 se sfc .. Rhipidophyllum vulgare -. 430 vulgaris Schmeil, 1897 .. i v3 .. Diaplomus vulgaris .. ahs Ai ian 31017)

(NOTE.—Under a decision taken during the Paris Session, every trivial name which has formed, or in future forms, the subject of a decision by the Commission is automatically to be added either to the ‘“ Official List of Specific Trivial Names in Zoology or, as the case may be, on the “‘ Official Index of Rejected and Invalid Specific Trivial Names in Zoology ”, save in cases where it has been, or is in future, necessary for the Commission to give a decision on a name which is an available name but which is not accepted by specialists as being required for taxonomic purposes (i.e. a name which is treated as a subjective synonym of some older and available name). In consequence, a number of names dealt with in Opinions published prior to the Paris Session and also certain names dealt with at the Paris Session prior to the decision to establish the above Official List were also placed on that List at the Paris Session in addition to the names specified above.)

Zoological Nomenclature

Oken, 1816, Lehrbuch der Naturgeschischte, assistance of specialists to be sought on question of existing practice in regard to, and decision taken on status of, as soon as possible thereafter ve “Ta oe “¥ he hi ve fe of Ai oh

Oncotylus Fieber, 1858, Oncotylus punctipes Reuter, 1873, designated under the plenary powers to be the type pe ies of ; placed on the Official List of Generic Names in

Zoology

Ophonus Stephens, 1827, application for the designation, under the plenary powers, of Carabus obscurus Fabricius, 1792, as ty ype species of, deferred for further information to

Page

366

474

be obtained 8 ae A ae : as a ac ie 446, 447

Opinions and Declarations of the International Commission on Zoological Nomenclature : recommendations and reports regarding.

Opinions and Declarations published since 1935, Report on

incorporation in the Régles, in whole or in part, of interpretations of individual provisions

bo ~I

given in Opinions already rendered Se Ae at a “A 66-67, 132-137

Opinions to be repealed for interpretative purposes when interpretation contained

therein incorporated in the Régles .. Sp ae ae ec we on 135-136

invitation to zoologists to notify to Commission particulars of any apparent new inter-

pretation contained in any Opinion not repealed by the Paris Congress consequent upon

present codification of interpretations given in Opinions so far published

Opinions rendered after the Paris Congress to deal only with individual nomenclatorial problems, questions relating to the interpretation and amendment of the Régles being

136

dealt with in Declarations only xt xe . af ee ne 5 136-137

Opinions and Declarations rendered after the Paris Congress, decisions in, to be looked for only in the “‘ summary ”’; Declarations relating to the interpretation of the Régles published in an inter-Congress period to be reported to the next meeting of the Con- gress for the inclusion in the Régles of the interpretations so given, the Declarations in question thereupon to be repealed for interpretative purposes ; incorporation in the By-Laws of the Commission of provisions relating to the method to be followed in future in the adoption of Declarations and of the reporting of Declarations to the Congress , Bu

Opinions containing erroneous interpretations of the Régles or interpretations which, though correct when the Opinion in question was adopted, have ceased to be so, conse- quent upon an amendment of the Régles, to be cancelled forthwith

certain Opinions already rendered to be cancelled, in whole or in part, except for his- torical purposes, owing to the decisions recorded therein either being incorrect or

137

having lost all practical significance by reason of their transitory character. . . 930-337

decisions on nomenclatorial problems given in Opinions to be recorded in Schedules attached to the Régles, the cs concerned a, PEPE Serene cancelled for all

except historical purposes . . : s -- 65, 261, 332, 333

clarification and amendment of certain Opinions prior to the decisions recorded therein

being recorded in Schedules to the Régles . . a ae e BC aa 337-338

Secretary to be requested to transfer to Schedules to the Régles decisions on individual nomenclatorial problems given in Opinions already rendered or agreed upon at the Paris Session, any cases of apparent errors so detected to be reported to the Com-

mission for any necessary correction a we ar vs Lr ae 340-341

708 Bulletin of

Page Opinions and Declarations of the International Commission on Zoological Nomenclature : recommendations and reports regarding (continued).

Secretary to examine and complete bibliographical and similar references to individual names and books cited in relation to all decisions regarding individual nomenclatorial problems prior to the transfer thereof to Schedules to the Régles ats ws :. 340

Secretary to ensure that, in the case of every trivial name entered in a Schedule to the Régles, there is cited in connection therewith the generic name in combination with which the trivial name in question was originally published... AG a .. 340

Opinions rendered dealing with part only of question submitted for decision to be com- pleted as soon as possible; practice of issuing Opinions dealing with part only of problem submitted condemned; Secretary to examine Opinions already rendered with a view to submitting proposals for filling any gaps so detected .. ie -. 355

practice of delaying decisions on individual nomenclatorial problems involving con- troversial, though not necessarily difficult, issues condemned as calculated to impair authority and prestige of Commission ; decisions on individual nomenclatorial prob- lems involving controversial, though not necessarily difficult issues, in future, to be given promptly and without fear or favour .. oe af we He .. 363

Opinions 1-16, reissues of, examination of ‘‘ Editorial Notes ’’ and footnotes attached to 2 Pe fre re ar o ae oF a MN uN, 560-562

Opinions 1-133; facsimile edition to be issued as soon as possible. . oe 591-594

Opinions, method of recording decisions taken in .. Se 36 on ah 632-640 Opinions rendered by the International Commission on Zoological Nomenclature prior to

Paris Congress, recommendations regarding.

Opinion 1, ruling in, relating to the meaning of the expression “‘ indication as applied to a generic name cancelled and revised definition agreed upon. . o6 .. 78-80

remainder of, clarified and incorporated in the Régles. . a a6 oe 148-149 repeal of sf a t: a 56 Me 3; Bi “ie A -- 166 Opinion 2 (status of a name based on a hypothetical form), incorporated in the Régles.. 144 repeal of a aa be te Se “24 * a OD oe ie -. 166

Opinion 3 (priority to be assigned to Linnaeus, 1758, Systema Naturae, 10th edition), incorporated in the Régles .. a sxe 35 ae “A Se 150-151

repeal of Le: oe nite =e ee de ate be oe —- sony 166 Opinion 4 (status of names which, prior to publication, were manuscript names and of names which, prior to valid publication, had been published as nomina nuda), clarified

and incorporated in the Régles ce Se se - ree ss ee 145-146

repeal of Ne <t 58 po Ae ne a3 ec ae as 2, L6G

Opinion 5 (status of names published prior to 1758 and later republished), incorporated in the Régles .. ie ee Ae ip a ots as ey ae drone, LOU

repeal of ad ie ocd ae oa a - 6 Pe ue ven 166

Opinion 6 (‘ype species of a genus published prior to Ist January 1931 with two included species only and no designated or indicated type species, where later one of those species becomes the type species of a monotypicai genus), clarified and incorporated in the Regles .. a me ie bs ri sis ar a ee Tig

repeal of ee Res Hf Vs at Ag at et a for T6G

Zoological Nomenclature 709

Page Opinions rendered by the International Commission on Zoological Nomenclature prior to the Paris Congress : recommendations regarding (continued).

Opinion 7 (significance of the expression “‘ n.g., n.sp.”’ as used on the publication of a generic name prior to 1st January 1931), clarified and incorporated in the Regles 152-153

repeal of sts ate ah ye ate aa vs a kite AP ae 166 Opinion 8 (trivial names based on modern eee cancellation of, because in-

correct a re Bi ee : : Ze Se a Bx ie 68 Opinion 9, cancelled because no effective decision given therein . . og ae -. 335 Opinion 10 (type species of genera established with identical limits), incorporated in the

Régles .. Lid “i tg es a. a aa an sta $). eee 156

repeal of Wi ae aie Sis aa 3 ee nie a ars wa) eG Opinion 13 (trivial name of Sand Crab) cancelled and to be replaced by amended

Opinions on the matters dealt with therein se 5 or <8 a 573-580 Opinion 14 (author selecting a type species of a genus published without a designated or

indicated type species to be assumed to have identified correctly the species so selected)

incorporated in the Régles .. He =a er ae a es af 157-158

repeal of, for interpretative purposes i ce ne hs uy as .. 166 Opinion 15 (meaning of expression divulgué dans une publication ”) amended, clari-

fied and incorporated in the Régles i i ne i .. 165, 216, 217-222

repeal of, for interpretative purposes si ar ys Te as ay ee ea Opinion 16 (interpretation of Rule (d) (absolute tautonymy) in Article 30 in relation

to univerbal pre-1758 specific names cited in the synomymy of a species included

after 1757 in a genus having the same word as its generic name), clarified and in-

corporated in the Régles .. 9 ara Ee is a ee ae 154-155 status of certain generic names cited in, to be determined as soon as possible .. 580-583 repeal of, for interpretative purposes ae ae ae Se ne 5 7o0 eLOG Opinion 18 (interpretation of Rule (d) in Article 30 in cases where a tautonymous trivial

name of a synonym is not cited when a generic name is first so incorporated

in the Régles .. = ae Ae AV Ak a HG ore 153-154 repeal of, for interpretative purposes me oe 5 ae re fic ss, | GG Opinion 20 ger ta of the expression “‘ nomenclature binaire ’’), cancelled because

incorrect as ce " 1c oe oe a en ah “ae 66 Opinion 23 (Aspro versus Cheilodipterus), cancelled because incorrect .. rs .. 335 Opinion 24 (Antennarius versus Histrio), summary amended sc an Cie Re 66

cancelled because incorrect ae oy Pra ie S3 BE Eta «« 335 Opinion 25 (generic names differing only by terminations -ella and -iella ”), not to

be incorporated in Régles, in view of decision that list of differences given in

Article 34 which are to be ignored for the Eur yoneey of SN is to be an exhaustive

list a ae = 1a : ; sf 6 stipe es

repeal of, for interpretative purposes os te a oe oe 5 Me 166 Opinion 26 (interpretation of Article 19 on the emendation of names) clarified and in-

corporated, in part, in the Regles .. ys Fe me ar = a, 141-142

repeal of, for interpretative purposes x ine tt ot ale ogat 166

710 Bulletin of

Page Opinions rendered by the International Commission on Zoological Nomenclature prior to

the Paris Congress : recommendations regarding (continued).

Opinion 27 (emendation of names based on modern poke ae incorporated in the Régles .. ot ar oh ses Ma : ae a vem 142 repeal of, for interpretative purposes ae ae if ote = 36 a6

Opinion 29 (emendation of names), decision in, not incorporated in the Régles . . .. 141 repeal of, for interpretative purposes + th Pais Be 4c ce 22) 166

Opinion 31 (type species of Columbina), correction oferrorin .. re jc peels 7)

Opinion 32 (type age of pene; cancelled because wi is BS use of the eae powers : 335

Opinion 35 (species eligible for selection as the type species of substitute genera), amended and incorporated in the Régles, in relation to Rules (f) and (g) in Article 30 .. 66, 155-156 repeal of uh FY: ue oe ae Se oe cL 3c oe -. 166

Opinion 36 (emendation of namés erroneously transcribed from Greek words), incor- porated in the Régles of oh * ae se ok Aa Mo 142-143 repeal of, for interpretative purposes ie aw Ns fre we ae -. 166

Opinion 37 (status of names in Brisson, 1760, Ornithologia), cancelled because incorrect but decision in, validated under the plenary powers... ot sr ne .. 65-66

Opinion 41 (emendation of a name wrongly transliterated from the Greek), incorporated in the Régles .. 1m “yt at Si ae alc Ss se bz .. 148 repeal of, for interpretative purposes 36 5 ote af ye Rie ec eP 166

Opinion 43 (status of generic and specific names described jointly), clarified and incor- porated in the Régles As a ie ats st Pe ce Ae ao) a9 repeal of, for interpretative purposes Si ag aC tne ae aa = GO

Opinion 44 (Leptocephalus and Conger), cancelled because superseded by Opinion 89... 335

Opinion 46 (type species of a genus established without any nominal species referred

thereto), amended, clarified and incorporated in the Régles .. a3 159-160, 346 repeal of ae oe ae bs ae re at ae ave ne va 66 Opinion 47 (type species of a genus for which one species only was cited by its author), incorporated in the Régles .. ats ms site ts Nk st eae tks repeal of, for interpretative purposes 52 He Fe yo <5 sient» GG Opinion 49 (status of a name given conditionally), incorporated in the Régles .. 144-145 repeal of, for interpretative purposes ae oe oe st 52 eis ai. 4) S66

Opinion 51 (meaning of the expression “‘ divulgué dans une publication ’’), amended, clarified and incorporated inthe Régles . . oa te ve .. 165, 216, 217-221

repeal of , for interpretative purposes a O.: ae ee ie ae Roe!

Opinion 52 amma to be attached to the citation of a resis » spree incorporated in the Régles . : 150

repeal of, for interpretative purposes ae ie ye Aid ay a wee 06

Zoological Nomenclature Til

Page Opinions rendered by the International Commission on Zoological Nomenclature prior to the Paris Congress : recommendations regarding (continied).

Opinion 59 (status of names appearing in advance separates), incorporated in the Réegles 146

repeal of, for interpretative purposes ne oe 4 ae Ks a% ay 166

Opinion 60 (emendation of trivial names consisting of incorrectly formed adjectives) .. 144

repeal of, for interpretative purposes ie ns we aC we de ree | 166 Opinion 61 (emendation of names), decision in, not incorporated in the Réegles .. Sey eal al repeal of, for interpretative purposes Ae ‘fe Ax Ae ae fs seen 166

Opinion 62 (eligibility of a species to be the type apes of more than one genus), incor- porated in the Régles oe Ss Re od ‘ite eee Lob

repeal of

Opinion 63 (emendation of trivial names incorrectly formed from the name of a type locality), incorporated in the Régles Efe ie ne Sk 5c he 2.9) 148

repeal of, for interpretative purposes a ye bie me ie xe i 165

Opinion 64 (eligibility of single letters as trivial names), incorporated in the Régles .. 140

repeal of ee ne ae ot a a ae ap oye Ac er LOG Opinion 65 (author of a genus to be assumed to have correctly identified the species

referred by him thereto), dealt with in conjunction with Opinion 168. . fe LOS

repeal of Ba oe Br ae ae a ae ae “3 ae see lLGG

Opinion 66 (erroneous entry in, in relation to the generic name Necator), error corrected 300-301 Opinion 68 (type species of Pleuronectes), decision in, to be completed as soon as possible; 337 Opinion 69 (type species of Sparus), decision in, to be completed as soon as possible .. 337

Opinion 74 (Apstein’s list of ‘‘ Nomina Conservanda”’) cancelled because decision in, 336 of no current significance

Opinion 76 (Pyrosoma versus Monophora, etc.) part only of contents to be incorporated in the Régles .. as » a3 aia a ii sts as ve .. 336

Opinion 77 (erroneous entry in, in relation to the generic name Schistosoma), error validated under the plenary powers she aa oe ne tA sib 319-323

Opinion 78 (trivial name of Rocky Mountain Fever Tick), decision in, to be re-examined and in meantime this matter to be treated as sub judice a6 0 Ae 5 a8

Opinion 82 (type species of Calliphora), decision in, to be completed as soon as possible 355-356

Opinion 83 (specific homonymy), cancelled because subject dealt with more completely in comprehensive revision of Articles 35 and 36 recommended to Congress .. .. 336

Opinion 84 (addition of certain names to the Official List ’?) erroneous entry acpi to type species of T'aenia Linnacus, 1758, validated under the plenary powers . 584-586

Opinion 87 (status of names appearing in proof sheets), incorporated in the Régles -. 146 repeal of ye ate Se ia Ne ne Be a5 SB re eee LO6

Opinion 88 (status of a generic name based upon a composite nominal spo clarified and incorporated in the Régles ... aE #5 ar , Ac 151-152

712 Bulletin of

Page Opinions rendered by the International Commission on Zoological Nomenclature prior to the Paris Congress : recommendations regarding (continued). repeal of, for interpretative purposes rc ste ae at Me = paG6

procedure on incorporation in the Régles of decision in relation to an individual name —_ 336

Opinion 92 (addition of certain names to the Official List ”) erroneous entry relating to type species of Echeneis Linnaeus, 1758, validated under the plenary powers 538-539

erroneous entry relating to type species of Mabuya Fitzinger, 1826, corrected .. .. 356

Opinion 97 (Hiibner’s Tentamen) clarification of decision in, prior to incorporation in

Schedule to the Régles Li; Be re ae ay) <P Be ap Saas Opinion 99 (Endamoeba and Entamoeba) decision in, to be re-examined and in meantime matter to be treated as sub judice .. as Se as aa oF ie .. 338 Opinion 102 (generic names not invalidated by homonymy with names of Orders and higher categories), incorporated in the Régles .. ma ee ae ae 164-165 repeal of, for interpretative purposes a ae ue Hes a6 Brunemeriaime’n) Cite

decision regarding an individual name included in, not to be incorporated in a Schedule to the Régles .. om a as a ae ae zs SF Kn aio) SoG

Opinion 104 (addition of certain names to the Official List”) : erroneous entry in, in relation to the generic name Cercopithecus validated under the plenary powers 310-311

erroneous entries, in relation to the generic names Laverania and Plasmodium, can-

celled and corrected and amplified particulars added under the plenary powers .. 612 Limulus placed on the ‘‘ Official List” in, a synonym of Xiphosura Brimnich, 1771,

question of action to be taken to be considered i va ie ag 311-312 Nabis Latreille, [1802-1803], position of, on “* Official List confirmed .. .. .. 467 Podura Linnaeus, 1758, type species varied under the plenary powers. . en .. 506

Opinion 107 (Echinocyamus pusillus), part of decision in, to be incorporated in Schedule

to the Régles .. avs e #. ae ie by: a4 ae ay ay RCI Opinion 113 (Sarcoptes) erroneous date cited in, to be corrected .. a a4 .- 337 Opinion 116 (‘‘-nus and -mus ”’ names), repeal of, for interpretative purposes <a

Opinion 124 (status of terms intermediate between generic and specific trivial names used by Linnaeus in the 10th Edition of the Systema Naturae), extension of decision in, to other works by Linnaeus and to works by Fabricius (J.C.) ot te 266-267

decision in, extended to cover intermediate terms used by Hiibner (J.) in the legends to the plates of the first volume of the Sammlung exotischer Schmetterlinge and in the

Systematisch-alphabetisches Verzeichniss a esc oe ar oe 289-290 Opinion 125 (status of emended names), dealt with in conjunction with Opinion 148 .. 163 repeal of, for interpretative purposes ats we 3 ae % x Se ae i

Opinion 126 (d’Orbigny’s Prodrome), decision regarding status of names in, confirmed, and deletion from Opinion, of misleading references to neotypes ae + 296-297

Opinion 129 (suppression of Bipinnaria and certain other names published by Sars), names, though suppressed for purposes of Article 25, to retain status for purposes of Article 34 f ee ‘? ff * “* of wf wr ge 338-339

Zoological Nomenclature 713

Page Opinions rendered by the International Commission on Zoological Nomenclature prior to the Paris Congress : recommendations regarding (continued).

Opinion 133 (family names), repeal of, because superseded by Opinion 141... Pa Looe

Opinion 138 (meaning of expression definite bibliographic reference ”), cancelled on repeal of relevant portion of Article 25... ea ~ os te a ale 70

Opinion 141 (family names), incorporated in the Raglee, nowy as Le ee provisions

and partly as Recommandations .. : i 138-139 repeal of a 2s ~ as are ay ait = a ar ee Opinion 145 (status of a name previously published in a work rejected for nomenclatorial purposes) ae aE “ie 42 ie Sie # ae aS aie <3i" pALOD repeal of 35 ag ye Bi rs sid = sy os se Bey 5 LOG Opinion 147 (grounds on which a generic name is to be rejected as a homonym), amended and incorporated in the Régles 3h 4 ae Ne ae eZ a 161-162 repeal of =e Sie He Je we ne ate ts Se A -- 166 Opinion 148 (status of a generic name published as an invalid emendation of an earlier name), amended, amplified and incorporated in the Régles a fy Be 147-148 status of emendations in relation to generic homonymy, decision incorporated in the Régles * a ae “¢ =% = ae = i ae segs LOS paragraph (3) of summary of, not to be incorporated in the Régles .. ee See ee repeal of tc a as = * as Pe ec =~ a #7 gH66 Opinion 164 (type species of a genus not liable to change when one genus is united with another on taxonomic grounds), incorporated in the Régles .. as ie eae repeal of oi Me sige es - a $s Ki = a -. 166

Opinion 168 (author of a genus to be assumed to have correctly identified the species referred by him thereto), amplified and incorporated in the Réegles .. “ic 158-159

repeal of == se aH Be Se oe a a ote «=. 166

Opinion 172 (significance to be attached to the selection in a literature-recording serial of the type species of a genus, the name of which was Pye Poe to Ist a

1931), incorporated in the Régles .. : 161 repeal of | ee a on a “t: ay oie ae sf ate so Rte Opinion 183 (need for generic names to be published in the nominative singular), incor- porated in the Régles. . Ze af ae a Sa! AE: os 139-140 repeal of ane ds se st ae a6 om es oe . aa;, 166

Opinion 190 (Rhynchonella alta), dealt with in conjunction with Opinion 191) .. 146-147

Opinion 191 (a special oa of the problem of * publication ‘) ee in the Regles . a 2 a ae Ai Me ae te 146-147

repeal of ar ae he aM ac = a a ate ue 2. 20S

714 Bulletin of

Page Opinions to be rendered embodying decisions on the under-mentioned matters taken by the International Commission on Zoological Nomenclature at the Paris Congress : Psoidos Treitschke, 1825, and Psodos a Triton 1827 emendation of, to Psolos under Article 19 he : Me ne te Se Bet)! status of terms intermediate between generic and specific trivial name employed by Linnaeus in works other than 10th edition of Systema Naturae ae of Opinion 124) . a a ae a0 Sh 54 ae = 266-267 status of terms intermediate between generic and specific trivial names ompveg by Fabricius (J. C.) (extension of Opinion 124) oF xe a ay; ; 2 267 status of terms intermediate between generic and specific trivial names employed by Hiibner (J.) (i) in volume 1 of the Sammlung exotischer Schmetterlinge and (ii) in the Systematisch-alphabetisches Verzeichniss (extension of Opinion 124)... oE sic 290 Necator Stiles, 1903, correction of error in Opinion 66 relating to placing of, on * Official List of Generic Names in Zoology ae Ne a te 56 a yyy BOUL: Aplysia Linnaeus, 1767, and Tethys Linnaeus, 1767, validation of, under the plenary powers and matters incidental thereto... Be ac ns ie -. 304 Venus Linnaeus, 1758, type species of, designated under the plenary powers... .. 305 Bulla Linnaeus, 1758, type species of, designated under the plenary powers al -. 805

Briinnich, 1771, Zoologiae Fundamenta, status of generic names published in .. 25, OO Tonna Brinnich, 1771, placed on the ** Official List of Generic Names in Zoology” .. 310

Cercopithecus validated under the plenary powers as from Linnaeus 1758 (validation of an error in Opinion 104) .. a oe 5p Ss te ve at, re oh

Schistosoma Weinland, 1858, validated under the a 'y ee ee of an error in Opinion 77. “8 Gye os : <S ots .. 323

Calliphora Robineau- Desvoidy, 1830, placed on Official List of Generic Names in Zoology * (completion of Opinion 82) .. tie : : : 356

Mabuya Fitzinger, 1826, correction of erroneous entry in Official List of Generic Names in Zoology relating to type species of, (correction of Opinion 92) Peete go

Porina Walker, 1856, placed on Official Index of Rejected and Invalid Generic Names in Zoology and ic asatied ica 1856, on the “‘ Official List of Generic Names in Zoology ie re ae 4 nA ee re 357-358

Flebotomus Kondani, 1840, emendation of, under the plenary powers, to Phlebotomus .. 359

trivial name plexippus Linnaeus, 1758 (as published in the binominal combination

Papilio plexippus), determination, under plenary powers, of application of .. {5p eel Geoffroy (E. L.), 1762, Hist. abrég. Ins. Env. Paris, status of new names publishedin .. 369 Corixa Geoffroy, 1762, use of plenary powers for .. ers as Af ae Boe eo (hl)

* Buprestidae ’’, an Su mons a at by F. W. Fgpe, distributed in 1836, status of new names in te 2 af 2 Soule

Koeh (C. L.), 1835-1842, Deutschl. Crust. Myriapod. u. Arachn., species eligible for selection as type species of genera established in... Re a hg <2 0 . ks. meee

trivial name vulgaris Schmeil, 1897 (as published in the binominal combination Diaptomus vulgaris) validated under the plenary powers .. ae My, ja) Se

Graptolithus Linnaeus, 1768, and scalaris Linnaeus, 1768 (as published in the binominal combination Graptolithus scalaris) suppressed, under the plenary powers rs oo OM

Zoological Nomenclature 715

Opinions to be rendered em bodying decisions on the undermentioned matters taken by the hia International Commission on Zoological Nomenclature at the Paris Congress (continued). Monograptus (emend. of Monograpsus) Geinitz, 1852, validation of, under the plenary

powers and matters incidental thereto a es “f Es 4 Bi» mie] Retiolites Barrande, 1850, validation of, under the plenary powers . . ae acs Bre Wh, Diplodinium Schuberg, 1888, type species of 3 i . on ts «+. 381 Aspidoproctus Newstead, 1901, status of a ot eh a6 dis “¥ “cy 182 Phoranthella Townsend, 1915, and Phoranthella morrisoni Townsend, 1915, status of - .. 383 Diadema Gray, 1820, validation of, under the plenary powers... x 3 -- 385 Fasciola ovata Rudolphi, 1803, determination of lectotype of a8 “a ae ae 387 Ammonites cordatus Sowerby, 1813, designation of lectotype of, under the plenary

powers : W Be ws He ae me -. 393 Actinote Hiibner, [1919], designation of type species of, under the plenary powers Mey “ot!)s, Hemerobius Linnaeus, 1758, and Chrysopa Leach, 1815, designation of type species of,

under the plenary powers a es Hi ai a a) (397 Palaeaneilo Hall, 1869, emendation of, under Article 19, to Palaeoneilo .. Ac -- 400 Pallas (P.S.), Zoographia rosso-asiatica, dates of publication of the several volumesof .. 403 Clavellarius Olivier, 1789, Suppression of, under the plenary powers... is je ADE Bombus Latreille, 1802, use of plenary powers for, in so far as necessary .. 5 «= 407 Formica Linnaeus, 1758, and Camponotus Mayr, 1861, placed on the Official List of

Generic Names in Zoology aE Me ae oF ve ae ate see KY) Megachile Latreille, 1802, placed on the “* Official List of Generic Namesin Zoology” .. 413 Erycina Lamarck, 1805, designation of type species of, under the plenary powers -. 418 Gesner, 1758, Tractatus physicus, suppressed for nomenclatorial purposes. . a ait «420 Liodes Heyden, 1826, status of . “6s a Ss gis x south 42)

Raphistoma Hall, 1847, and Belone Cuvier, 1817, validated under the plenary powers .. 428

Teleosteus Volger, 1860, and T'eleosteus primaevus Volger, 1860, suppression of, under

plenary powers and matters incidental thereto 430 trivial name mefarlandi Cockerell, 1902 (as published in the binominal combination

Chromodoris mefarlandi) to be emended to macfarlandi under Article 19 ae wa. 43] annulatum Dschunkowsky & Luhs (as published in the binominal combination Piro-

plasma annulatum), lectotype of, (issue of Opinion to be deferred while final effort

made to determine date of publication of ) or Ns Ee ots es ws, 433

Tremataspis Schmidt, 1866, designation of type species of, under the plenary powers .. 435 trivial name pecten Linnaeus, 1758 (as published in the binominal combination Anomia

pecten), identity of species to which applicable determined under the plenary powers and matters incidental thereto a: Sues sid ‘= 436 Carabus Linnaeus, 1768, designation of type species of, under the plenary powers .. 446

Dinornis novaezealandiae Owen, 1843, lectotype of, determined .. A a -. 4650

716 Bulletin of

Page Opinions to be rendered embodying decisions on the under-mentioned matters taken by the International Commission on Zoological Nomenclature at the Paris Congress (continued).

Martin, 1793, Fig. Descr. Petrif. Derbyshire, and 1809 Petrif. Derbiensia, not available for nomenclatorial purposes ar ats = a a rt os oe

certain generic names in Order Lepidoptera published in 1807 almost simultaneously by

Illiger and Fabricius, validation, under plenary powers of use by Fabricius. . .. 459 Hygriobia Latreille, 1804, emended to Hygrobia under Article 19 .. wf sii coe h, 461 Schwagerina von Méller, 1877, type species of. . Sv ats bi gs ae sei 464 Alydus Fabricius, 1803, validation of, under the plenary powers .. sr ie _ 467 Salda Fabricius, 1803, designation of type species of, under the plenary powers . . naive 469 Gastrodes Westwood, 1840, type species of 7 a6 dy ¥ ss 2% “f 473, 474 Aquarius Schellenberg, 1800, type species of ne A ms buf a 473, 474

Bellocoris Hahn, 1834, type species of ; Beosus Amyot & Serville, 1843, type species of ; Catoplatus Spinola, 1837, type species of ; Dictyonota Curtis, 1827, type species of ; Oncotylus Fieber, 1858, type species of ; Pachylops Fieber, 1858, type species of ; Pilophorus Hahn, 1826, type species of ; Tetyra Fabricius, 1803, type speciesof .. 474

idas Linnaeus, 1761 (as published in the binominal combination Papilio idas) validated under the plenary powers and species to which applicable similarly determined -. 480

six generic names in the Order Lepidoptera placed on the Official List of Generic Names in Zoology” and three names in the same Order placed on the Official Index of Rejected and Invalid Generic Names in Zoology and matters incidental thereto .. 486

“* Hildesheim List, [1839] *’, suppression of, under the plenary powers .. a 486-488 ten generic names in the Order Lepidoptera (Sub-Order Rhopalocera) corresponding to

genera recognised in the invalid ‘‘ Tentamen of Hiibner placed on the Official List

of Generic Names in Zoology 496

podalirius Linnaeus, 1758 (as published in the binominal combination Papilio podalirius), determination of species to which applicable, under the plenary powers By ie

Meuschen’s Index to Gronovius’ Zoophylacium Gronovianum not available for nomen- clatorial purposes .. AS Se st ae ss ws oe se .. 504

Podura Linnaeus, 1758, designation of type species of, under the plenary powers. . 2 ROOT Amplypterus Hiibner, [1819], type species of . . a ats as oe ae 7% S008:

Echinocyamus van Phelsum, 1774, and Fibularia Lamarck, 1816, designation of type species of, under the plenary powers = se SE ae 5. ae

Phyllacanthus Brandt, 1835, and Strongylocentrotus Brandt, 1835, validation of, under . plenary powers, so far as necessary . . a. oh a at =e ts =

Brissus, Gray, 1825, Echinocardium Gray, 1825, Moira Agassiz, 1872, Ova Gray, 1825, Schizaster Agassiz, [1836], Spatangus Gray, 1825, use of plenary powers, so far as neces- sary to validate existing practice, and determination of type species of . . te qe

Arachnoides Leske, 1778, and Echinarachnius Gray, 1825, validation of, under the plenary powers, and determination of type species of ici a .- < “" «Sass

Echeneis Linnaeus, 1758, designation of type species of, under the plenary powers” (validation of an error in Opinion 92) and matters iacidental thereto he .. 539

Zoological Nomenclature 717

Opinions to be rendered embodying decisions on the undermentioned matters taken hy the International Commission on Zoological Nomenclature at the Paris Congress (concluded).

iris Linnaeus, 1758 (as published in the binominal combination Papilio iris), determina- tion of species to which applicable, under the plenary powers .. we rh Sr aniy 4

aristolochiae Fabricius, 1775 (as published in the binominal combination Papilio aristo- lochiae) and ascanius Cramer, [1775] (as published in the binominal combination Papilio ascanius), validated under the plenary powers .. =e ae oe -- 545

Zimmermann (A. E. W. von), 1777, Specimen Zoologiae, not available for nomenclatorial purposes, but that author’s Geographische Geschichte of 1778-1783, anavailable work.. 548

Frisch (J. L.), 1775, Natur-System der vierfiissigen Thiere, not available for nomenclatorial

purposes ate 549 Nozeman & Vosmaer, 1758, Geslachten der Vogelen (translation of Moehring, 1752,

Avium Genera) not available for nomenclatorial purposes ys ate 2 -. 568 Catesby (M.), Nat. Hist. Carolina, status of names in edition published by Edwards (G.) in

1771 (Opinion to replace Opinion 13, in part) .. Re fF AL ait 3, UOC

Meuschen (F. C.), 1778, Museum Gronovianum, not available for nomenclatorial purposes 573

Alca Linnaeus, 1758, and Equus Linnaeus, 1758, placed on Official List of Generic Na mes in Zoology ”’ (names dealt with in Opinion 16) .. od oe te A 581, 583

Taenia Linnaeus, 1758, designation of type species of, under the plenary powers

(correction of error in Opinion 84) .. os 586 Octopodia Schneider, 1784, suppression of, under the plenary powers ; certain reputed generic names alleged to have been published by Schneider on the same occasion declared to be cheironyms with certain other decisions consequential thereon 588-590 Human Malaria Parasites, nomenclature of (validation and amplification of entry in Opinion 104) .. fr oh ts 612-624 OPISTHOLEBETIDAE, see DISSOTREMATIDAE. d’Orbigny’s “‘ Prodrome ”, of 1850, decision in Opinion 126 regarding status of names in, confirmed “ie a 43 Ae ir ye - “ye He aie -- 297 Orders, rules governing nomenclature of, question of introducing, into the Régles, to be examined by the Secretary .. ts oi ie re de 4. atte 385-386 Oreas Hiibner, [1806], an invalid ‘‘ Tentamen name. placed on the Official Index of Rejected and Invalid Generic Names in Zoology” .. oe =% ve 28 492, 495 organites and sclerites (fragments of fossil invertebrates), suggested introduction of a system of nomenclature for sd Sir Ap cue te “se es 274 expressions included in the suggested new system of nomenclature for, available as technical terms but not to be recognised as names for the purposes of the Reéegles .. 294 orientalis Bremer, 1864 (as published in the trinominal combination Anthocharis belemida Hiibner, var. orientalis) placed on the Official List of Specific Trivial Names in Zoology e ae iv He ve ie od A oY «- 486

originally included species, determination of identity of, for purposes of Article 30, see Regles, ete., Article 30, Rule (f).

718 Bulletin of

Page Orpheides Hiibner, [1819], (type species, by. designation under the plenary powers: Papilio demodocus Esper, ig in on the ** Official Index of cpateaias and Invalid Generic Names in Zoology” . 484 Orthoceros Brimnich, 1771, Secretary to submit Report on .. ae as tye 312-313 Oscillaria Laveran, 1881, declared to be invalid. . te a A ae oe soak (G12! placed on the ** Official Index of Rejected and Invalid Generic Names in Zoology” .. 620 Otis Linnaeus, 1758, capes ty of admission of, to ‘* Official List of Generic Names in Zoology to be considered . me Sie i a ra a zt ss ‘is io (B82 Ova Gr ay, 1825 (type species by monoty py : Spatan gus pega: us Lamarck, Dies on the ** Official List of Generic Names in Zoology 528 ovata Rudolphi, 1803 (as published i in the binominal combination Fasciola ovata), identity ot determined by Braun (1901) i in accordance with the ee 5 tages on the Official List of Specific Trivial Names in Zoology a we 387 ovulum Lamarck, 1816, Fibularia, designated under the plenary powers to be the type species of F ibularia Lamarck, 1816 ; Poets on the Official List of goo Trivial Names in Zoology”. . le 519 Oxycanus Walker, 1856 (type species, by selection by Kirby, 1892: Oxycanus australis Walker, 1856) placed on the “* Official List of Generic Names in Zoology siz 357 Ozoena Ratinesque, 1814, declared to be invalid, because a junior homonym of Ozaena Olivier, 1812; A Beco on the Official Index of eb are and Invalid Generic Names in Zoology : 589 Pachylops Fieber, 1858, Litosoma bicolor Douglas & Scott, 1868, designated under the plenary powers to be the fhe Bpocigge of ; Bees on the Official List of Generic Names in Zoology” . os - 474 “* page precedence ”’ principle, substitution of, for “* first reviser principle for determining relative priority of names of identical date published in the same book or serial . . 257-258 Report on, submitted by Secretary .. a6 ae an ah Se ae 328-331 Palaeaneilo Hall, 1869, emended to Palaeoneilo under Article19 .. i ot ne 00 Palaeoneilo (emend. of Palaeaneilo) Hall, 1869 (type species by selection by Hall, 1885: Nuculites constricta Conrad ets A. - sis pines on the “‘ Official List of Generic Names in

Zales Phe ats bes a ssn ee OO

Pallas (P. 8.), Zoog se oat rosso-asiatica, dates of publication of the several volumes of, determined Ss on oe at ae ie sg i eis scsi | |

Zoological. Nomenclature

panopus Cramer, [1779], Pegs declared tobe the type species of Amplypterus Hiibner, {1819] by selection by Kir ices 1892 ; ie on the “‘ Official List of Specific Trivial Names in Zoology” .. a Af iP oe rif a a3

papatasi Scopoli, 1786 (as published in the binominal combination Bibio pa eater) peerA.er on the Official List of Specific Trivial Names in Zoology ;

Papilio Linnaeus, 1758 (type species selected by Latreille, 1810: Papilio machaon Linnaeus, 1758) ; placed on the Official List of Generic Names in Zoology

papyraceus Sowerby, 1822 (as published in the binominal combination Pecten sis i : placed on the “‘ Official List of Specific Trivial Names in Zoology sie

parasites of Man, committees of specialists to be established to make proposals for stabilising nomenclature of ; statement in re oka to Bene decision to be issued for the information of specialists .. : ate a

Paraturia Spath, 1927, an invalid synonym of Aluroidea Vredenberg, 1925. . “paratype,” expression not to be recognised in the Rrgles

Paris Session of Meetings of the Commission, see Commission, International, on Zoological Nomenclature, Section (a).

parma Lamarck, 1816, Scutella, designated under the Bey nae to be the ane species of Uehinarachnius Gray, 1825 ; placed on the Official List of Specific Trivial Names in Zoology

Pavo Linnaeus, 1758, question of admission of, to Official List of Generic Names in Zoology to be considered . .

Pearson, Commissioner Joseph, absence of, from Paris Session election of, in war period, as a Commissioner vice Commissioner F, Chapman (deceased) nomination of, to Class 1958 on expiry of term of service of Class 1949 nomination of, to be a Member of the Commission for a further term, on abolition of

the system of 9-year Classes in the membership of the Commission and consequent reversal .of decision to establish a Class 1958 * oie ve ue

pecten Linnaeus, 1758 (as published in the binominal combination Anomia pecten), deter- mination under the plenary powers of re pep of; placed on the Official List of Specific Trivial Names in Zoology AS the ci sf ee

Pelecanus Linnaeus, 1758, question of admission of, to “* Official List of Generic Names in . Zoology to be considered me Me

Pellegrin, Commissioner feces tine ee of, to Class 1949 on a of term of service of Class 1940 F R: ay ee : ie ue

death of, reported ; adoption by Commission of Resolution of regret at death of

719 Page

509

309

495

436

443

185

19

46

436

720 : Bulletin of

Page pellucida Lamarck, 1805, Erycina, designated under the plenary powers to be the type species of Erycina Lamarck, 1805 ; snoop on the Official List of teers Trivial Names in Zoology” . 418 perla Linnaeus, 1758, Hemerobius, aaa anki under the ney ia to be the type species of C hrysopa Leach, 1815 : 396 placed on the Official List of Specific Trivial Names in Zoology aa ot Pe 3 personal offence, introduction of a new Article to Se misuse of the pies for ee ‘pose of causing, see Régles, etc., New Article (7) . af ap ag F 193-194 pertinax Newstead, 1901 (as published in the binominal combination Walkeriana aes. placed on the “‘ Official List of Specific Trivial Names in Zoology :

Petalifera Gray, 1847, Secretary to confer with specialists for the purpose of ascertaining whether confusion would be likely to arise if this name were to te its mies 9 Fischer, 1872 .. ee ae ate KG As as -. 389

Peters, Vice-President James L., absence of, from Paris Session .. nF oe nie. hg election of, in 1939 to newly created office of Assistant Secretary ‘ie ale 10 appointment of, to Class 1952 on expiry of term of service of Class 1943 .. te ¥o 13 reappointment of, as Assistant Secretary, on reappointment to Membership of Com- mission in 1944 consequent upon the formation of the Class 1952 on Sn ca 17 election of, as Vice-President in 1945 vice Vice-President C. W. Stiles (deceased) =f 17 nomination of, to be President in succession to President Karl Jordan (resigned) .. 22-23

Petrificata Derbiensia : or Figures and Descriptions of ied ap ase: collected in pedis shire, 1809, by Martin (W.), not available under the Régles. . j 452

phaeton Drury, [1773] (as published in the binominal combination yur ee oo on the Official List of Specific Trivial Names in Zoology

Phasianus Linnaeus, 1758, question of admission of, to ‘‘ Official List of Generic Names in Zoology to be considered... $46 oe a Be 4€ ae: 5 .. 582

Phlebotomus, emendation to, of Flebotomus Rondani, 1840, under the plenary powers ; placed on the Official List of Generic Names in aes, Swe species Bibio papatasi Scopoli, 1786, by monotypy) . ns ‘A ae a ee

Pholidocidaris Meek & Worthen, 1869, application for validation of, under the plenary powers, with Lepidocentrus irregularis Meek & y sem 1869, as os 5 mc nee to confer with specialists regarding .. 513

Phoranthella Townsend, 1915, placed on the Official Index of seme and Invalid Generic Names in Zoology he ; ; 383

Zoological Nomenclature

Phyllacanthus Brandt, 1835, validated as of subgeneric status from the date of being so published, under the plenary powers, in so far as necessary, and Cidarites (Phyllacan- thus) dubius Brandt, 1835, similarly opens as type Ley = pieces on the Official List of Generic Names in Zoology Ay

Pieris Schrank, 1801 (type species selected by Latreille, 1810: ly agi brassicae a 1758) placed on the Official List of Generic Names in Zoology

Pilophorus Hahn, 1826, Cimex clavatus Linnaeus, 1767, designated under the plenary powers to be the type species of ; placed on the Official List of Generic Names in Zoology

Pisa, Dr. 8. di Toledo, attendance by, at public meetings of the Commission

placenta Linnaeus, 1758, Echinus, aaciaiinl under the PAN, gE to be the type species of Arachnoides Leske, 1778

placed on the Official List of Specific Trivial Names in Zoology

Plasmodium Marchiafava & Celli, 1885, Haemamoeba malariae Feletti & iim 1889, designated under the plenary powers to be the type species of

particulars ee a to, in the Official List of Generic Names in Zoology ”’ confirmed and clarified . : ate : x as ae ci * iN ae ie

Plebejus Kluk, 1802 (type species selected by Hemming, 1933: Papilio argus Linnaeus, 1758, as now identified ee the “ter roma placed on the Official List of Generic Names in Zoology a big = Ar ws 5

plenary powers of the Commission, introduction of an Article prescribing, see Régles, etc., New Article (12).

Pleuronectes Linnaeus, 1758, type species of, to be determined as soon as possible, and Opinion 68 thereupon cancelled : se as of Ain ts

plexippus Linnaeus, 1758 (as published in binominal combination Papilio plexippus), designation, under the plenary powers, of species to which, Sree. - A on the ** Official List of Specific Trivial Names in Zoology F

Poda (N.), trivial names based on surname of, to be formed as podae not podai ..

podalirius Linnaeus, 1758 (as published in the binominal combination Papilio podalirius), application of, determined under the sg pore placed on the Official List of Specific Trivial Names in Zoology ; ae ts ye Se a

Podura Linnaeus, 1758, Podura aquatica Linnaeus, 1758, aha under the ee, powers to be the type species of

entry on the “‘ Official List of Generic Names in Oneeee: confirmed, but with different

species as type species ¢ - : ae ie 55 ae

political offence, introduction of an Article to prevent misuse of the Régles for purpose of causing, see Régles, etc., New Article (7).

polychloros Linnaeus, 1758 (as published in the binominal combination ee ey 0's sana : placed on the Official List of Specific Trivial Names in Zoology ;

.

495

474

619

495

337

499

496

722 Bulletin of

Page polymnia Linnaeus, 1758 (as published in the binominal combination ae “ited Q placed on the Official List of Specific Trivial Names in Zoology < 458

polymorphic species, adaptation of Article 27 to meet needs of, see Régles, etc. Article 27.

Polyommatus Latreille, 1804 ; placed on the “‘ Official List of Generic Names in Zoology (type species designated under the plenary powers: Papilio icarus Rottemberg, 1775) 484

‘‘ Polyplacophora and Loricata ”, question of relative status of, deferred pending Report by Secretary on general question of Class Names .. aa a “ue Kee Bele)

Polypos Leach, 1817, declared to be invalid, because an objective synonym of Octopus Cuvier, [1797] ; placed o1 on the Official Index of ea tae * and Invalid Generic Names in Zoology” . : 589

Polypus Schneider, 1784, declared to be a cheironym possessing no status under the Regles ; : placed on the Official Index of Rejected and Invalid Generic Names in Zoology” .. 539

polypus Schneider, 1784 (as published in the binominal combination Ockenodta, polypus) suppressed under the plenary powers 4 588

placed on the Official Index of Halewtes, and Invalid a ap Trivial Names in Zoology is 590

Polyzoa, see Bryozoa.

Pompilus Schneider, 1784, declared to be a iene et sie) no status under the Régles .. a ur oh a ae : 7 $e a) O88

placed on the ‘‘ Official Index of Rejected and Invalid Generic Names in Zoology” .. 590

Ponera Latreille, 1804, application for the designation, under the plenary powers, of Formica contracta Latreille, pa as Hee species of, deferred for further information to be obtained Si in : “in a Ais Sr 2 oie 414, 415

Pontia Fabricius, 1807, validated under the plenary powers SH are aie -. 456

entry of, on the Official List of Generic Names in Zoology confirmed (type species, selected by Curtis, 1824: Papilio daplidice Linnaeus, 1758) .. ee oh -. 458

Pontia [Illiger], 1807, suppressed under the plenary powers ; pet on the Official Index of Rejected and Invalid Generic Names in Zoology aes 456

populi Linnaeus, 1758 (as published in the binominal combination ane Eiht & placed on the “‘ Official List of Specific Trivial Names in Zoology 496

Porina Walker, 1856, rejection of application for validation under the plenary powers, of 356-357

placed on the “‘ Official Index of Rejected and Invalid Generic Names in Zoology” .. | 357

Potamis Hiibner, [1806], an invalid “‘ Tentamen name ; placed on the “* Official Index of Rejected and Invalid Generic Names in Zoology me rf xe es 492, 495

a

Zoological. Nomenclature 723

Page praecox Grassi & Feletti, 1890 (as published in the binominal combination Haemamoeba praecox) available for an avian but not for a human malaria parasite .. ia a (1616 placed on the Official Index of Rejected and Invalid S aie Trivial Names in Zoology (as a name for a human malaria parasite) .. ne se boe Prescription, Law of, suggested introduction of, into the Régles, to be considered with other proposals for securing stability in zoological nomenclature in investigation to be under- taken by the Secretary ae Se A se ate ae is = 232-235 primaevus Volger, 1860 (as published in the binominal combination J'eleosteus primaevus) suppressed under the plenary powers ; placed on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology we nt oa Hic = ~. 430 Primary homonyms, see homonymy. princeps Ehrenberg, 1842 (as published in the binominal combination Borealis princeps) : placed on the Official List of Specific Trivial Names in Zoology af Ne -. 464 Princeps Hiibner, [1806], an invalid ‘‘ Tentamen name ; placed on the “‘ Official Index of Rejected and Invalid Generic Names in Zoology AC Fst Pac he 493, 495 priodon Bronn, 1834 (as published in the binominal combination Lomatoceras priodon) ; placed on the “‘ Official List of Specific Trivial Names in Zoology am at Sr fe! procedure of the Commission, reform of, see Commission, International, on Zoological Nomenclature, Section (i). Prospatangus Lambert, 1902 ; ; placed on the Official Index of Relested and Invalid Generic Names in Zoology nic nit ais a - - ae : side O28 Protozoa, decision to establish a committee of specialist for the purpose cf stabilising nomenclature, particularly of species parasitic to Man (Commissioner's Beltran’s proposal) oie ae 3 a oe as ae ar a 235-237 * pseudo-genus ”’, suggested recognition of, ‘as a nomenclatorial category .. me 273-274 expression “‘ pseudo-genus available as a technical term but not to be recognised in the Régles as a nomenclatorial category FH fe ant axa ane ae 293-294 pseudonyms, status of names published under, see anonymously published names. Pseudoschwagerina Dunbar & Skinner, 1935 (type species, by original designation : Schwagerina uddeni Beede & Kniker, Pree: ; ae on the Official List of Generic Names in Zoology”... : 464 Psodos Treitschke, 1827, emendation of under Article 19, to Psolos we He rie es!

Psoidos Treitschke, 1825, emendation of, under Article 19, to. Psolos x 5 ee al

we

724 Bulletin of

Psolos (emend. of Psoidos and Psodos) Treitschke, 1825 (type species, by selection by Duponchel, 1829: Phalaena aia Fabricius, iil amie on the Official List of Generic Names in Zoology As Be Ar ote

publication, date of, see date of publication.

“publication, meaning of expression defined, see Régles, etc., Article 25, provisions relating to date of publication.

punctata Cuvier, 1803 (as published in the binominal combination Laplysia [sic] punctata), question of use of plenary powers to determine species to which applicable, deferred, and to be re-submitted by the Secretary after the close of the Paris Congress ..

punctipes Reuter, 1873, Oncotylus, designated under the plenary powers to be the type species of ae aes mie 1858 ; or on the ‘‘ Official List of ba Trivial Names in Zoology

pusillus Miller (O.F.), 1776, Echinocyamus, designated under the plenary powers to be the type species of Echinocyamus van Phelsum, 1774 ; regain on the Official List of Specific Trivial Names in Zoology” .. ; :

purpureus Miller (O.F.), 1776, Spatagus, aan tein under the = asia to be the type species of Spatangus Gray, 1825

placed on the Official List of Specific Trivial Names in Zoology

Pyrgus Hiibner ,[1819] (type species selected by Westwood, 1841: Papilio alveo‘us Hiibner, [1800-1803] i= Papilio malvae pameia. pieiah: ; placed on the Official List of Generic Names in Zoology , ate aE ws Ar vig

quadratus Fabricius, 1787 (as published in the binominal combination Cancer seas declared to be an available name (see Sand Crab) .

Quartan Malaria Parasite, determination of scientific name of

quartana Labbé, 1894 (as published as a subspecific trivial name in the trinominal combination Haemamoeba laverani var. quartana) declared a sh eset Ere be Bee of Haemamoeda malariae Feletti & Grassi, 1889 § sc

quartanae Celli & Sanfelice, 1891 (as published in connection with the binominal com- bination Plasmodiwm ears declared to be a technical pS ernie and not a trivial name :

placed on the Official Index of Sales and Invalid So pei Trivial Names in Zoology :

quartanae Kruse, 1892 (as published in connection with the binominal combination Plasmodium malariae) declared to be a technical designation and not a trivial name ..

placed on the Official Index of Sea and Invalid Hac Trivial Names in ©

Zoology

quartanae Lewkowicz, 1897 (as published in connection with the generic name Haemos- poridium) declared to be a technical designation and not a trivial name , . 7 oe

304

519

527 528

495

578

613

618

616

617

Zoological Nomenclature 725 Page quartanae Lewkowicz, 1879, ete. (continued). placed on the ** Official Index of wah tit and Invalid Pe ear Trivial Names in Zoology : 622 quotidianae Celli & Sanfelice, 1891 (as published in connection with the binominal combination Plasmodium malariae) declared to be a technical designation and not a trivial name 617 placed on the Official Index of ee and Invalid Poon Trivial Names in Zoology Hi By a 622 Radford, Mr. C. D., attendance by, at public meetings of the Commission 272 Ranson, M. Gilbert, attendance by. at public meetings of the Commission 306 Raphistoma Hall, 1847 validated under the plenary powers ; placed on the Official List of Generic Names in Zoology (type Pees, By selection a de Koninck, 1881: Maclurea striatus Emmons, 1842) med E 428 Raphistoma Rafinesque, 1815, suppressed under the plenary powers: placed on the “* Official Index of Rejected and Invalid Generic Names in Zoology” .. ; - 428 Régles Internationales de la Nomenclature Zoologique : recommendations for the amendment or clarification of, submitted to the International Congress of Zoology : (a) amendments of general character grammatical inconsistencies, elimination of 47 verbal inconsistencies of drafting, elimination of. . pts Ss + +r 179, 194

substitution of the singular, for the plural, number for nouns employed in the Régles 179, 194

meaningless repetitive phrases, elimination of ~ J

195

insertion of paragraph numbers in any Article consisting of more than one paragraph 297-298

subdivision into numbered paragraphs of any Article consisting of two or more sentences, each prescribing a separate regulation

serial numbers to be allotted to Recommendations, where there is more than one such Recommendation comprised in any given Article

“Examples illustrative of particular provisions to be drawn from the works of

298

298

binominal authors Ne By Ae ed aa ee ote si 173-174

“type species” (“ espéce type ’’), expression to be used consistently to denote the

concept “type species ofa genus” ae a. 5s = fe 299-300

** holotype ”’, expression to be used consistently to denote the concept “‘ the specimen designated as the type specimen by the original author”; ‘‘ syntype ”’, expression to be used consistently to denote the concept one of a number of specimens used by an author when publishing a new name where no holotype was designated by that author; lectotype ”’, expression to be used consistently to denote the con- cept the syntype selected by a later author to represent the ae he ; in cases where no holotype was designated by the original author .. a ne

“nominal genus ”’, expression to be used consistently to denote the concept repre- sented by a given generic name, as contrasted with the concept rete by a

186

taxonomically accepted genus .. + Sy ae “4 ; af 179-180

726 Bulletin of

Page Régles Internationales de la Nomenclature Zoologique : recommendations for the amendment or clarification of, submitted to the International Congress of Zoology (continued). “nominal species’, expression to be used consistently to denote the concept repre- sented by a given specific name, as contrasted with the concept paureeter: by a taxonomically accepted species. . Ate Be ate at me 179-180 “* specific name ”, expression defined -. Bi: aa ee La wes i i 127 “‘ specific trivial name’’, expression defined and to be used in place of expression specific name ”’, wherever context so requires os Je SA one eas ** subspecific name *’, expression defined .. ae ox Ar 56 ae Per tse] ** subspecific trivial name ”’, expression defined and to be used in place of expression ** subspecific name ”’, wherever context so requires Als she Lc on 128-129 (b) Amendments relating to particular Articles Article 1 provisions relating to the status of a name given to a species originally treated as belonging to the Animal Kingdom, when later assigned to the Vegetable Kingdom, co-ordination of, with Articles 34 and 35 ite 3- 258-259 Article 2 position of subgeneric names, clarification of, in relation to binominal and trinominal nomenclature a se a “0 ce oe ais -. 96-97 position of names of infra-subspecific forms, definition of, in relation to binominal and trinominal nomenclature . . or “€ 30 33 a5 ES an 95 . Article 3 insertion of a provision that classical Latin is necessarily the standard to which, so far as possible, scientific nomenclature should conform, but that later developments i in the Latin language should be taken into account in interpreting this Article, having regard to the fact that Latin, as used in zoological nomen- clature, remains a living language .. ae NE se Ac Ae re (5:

Article 4 substitution of the word theme ”’ (= stem) for the word “‘radical’* (= root) .. 246

criteria to be followed in determining how a family name should be formed under

this Article aie se ir ie exe ae ss aie 58 ae eee insertion of a provision prescribing method by which the name of a family should

be formed from the stem of the name of the type genus .. HA 3 ne 2) incorporation in, of interpretation given in Opinion 141 Re oF a 138-139

Recommandations to be added eo Padi the substance of the ‘‘ Notes included in the summary to Opinion 141 : : ae , se “ie oD insertion ofa provision prohibiting the use of words having the terminations “‘ -idae or “‘-inae as names of any unit other than a family or a subiamllys as the case may be, save for certain specified classes of trivial names . - oe on ee

Recommandation to be added urging authors publishing new family or subfamily names to notifv a literature-recording serial such as the Zoological Record Re

Zoological Nomenclature 727

Page Regles Internationales de la Nomenclature Zoologique : recommendations for the amend- ment or clarification of, submitted to the International Congress of Zoology (continued).

cases where application of this Article leads to homonymy in family names to be reported to the International Commission on Zoological Nomenclature for determination .. te Si 5: * se Avr a a so. At provisions in relation to the status of the names of genera and lower categories published anonymously or over pseudonyms or initials only to apply, mutatis mutandis, to the names of families and subfamilies .. = 55 ¥

Secretary to the Commission invited to prepare, in consultation with specialists, a comprehensive Report on .. wi ve bd Ne 138, 244, 245, 273, 402

Article 5

question of amendment of, to be dealt with by Secretary in Report on Article4.. 138

Article 6

generic and subgeneric names not to be co-ordinate for the purposes of the Law of Homonymy ay ae ar 124

drafting amendment in, to co-ordinate text with Article 11 .. Me ae =. | 263

Article 7

drafting amendment in, to eliminate confusion between nomenclature andtaxonomy 262 Article 8

words ending with terminations -idae and —inae ineligible for use as generic or subgeneric names, and names so formed to be invalid . . oe * 216-262

incorporation in, of interpretation given in Opinion 183 (relating to the need for a word to be published in the nominative singular, in order to acquire status as a generic name), subject to the insertion also of provisions to deal with status of certain generi¢ names originally published as though in the nominative singular but in fact consisting of words in some other case or number... 139-140, 195-196

existing Recommandations to be converted into mandatory provisions, save the portions which are in the nature of comments thereon, these latter portions to be retained as Recommandations and inserted at appropriate points in the new

provisions 253 second of. existing Recommandations, Point (b), second sentence, to be amended

and redrafted and a new Recommendation added . . Ks a -- 263-265, 297 Recommandation to be added urging authors to select, as generic names, words which

are short_and euphonious from the Latin standpoint AS ae ae 171-172 Recomm ndation to be added urging authors to avoid selecting for a generic name a

word which, when pronounced, appears to be a word or combination of words in

some language other than Latin, especially where that word or that combination

of words has a bizarre or otherwise objectionable meaning ae oe -. 253

Article 12°

drafting amendment in, to eliminate confusion between nomenclature and taxonomy 262

Article 13

redrafting of, to eliminate option to use a capital intial letter for certain classes of trivial name Ps Ag vs ne Ai =; ir Ap ae 172-173

728 Bulletin of

Page Ltégles Internationales dela Nomenclature Zoologique : recommendations for the amendment or clarification of, submitted to the International Congress of Zoology (continued).

Article 14

names formed in contravention of, to be automatically corrected by later authors and to retain original authorship and priority .. ote af, ne $s 68, 251

a trivial name consisting of an un-Latinised patronymic to be amended to conform with provisions of Art. 14 and to retain its original authorship and priority 251, 252

a Latin adjective in the genitive case in agreement with the trivial name of a species not to be accepted as a subspecific trivial name... ae oh Si 624-625

paragraph (1) (a) (relating to trivial names consisting of nouns in the nominative singular in apposition to the generic name) not to apply to trivial names consisting

of unlatinised modern patronymics 262 ineorporation in, of interpretation given in Opinion 64 relating to the status of

trivial names consisting of single letters Ad ip ie a -. 140 definition of the status of a trivial name consisting of a phonetic representation of

the initials of two or more persons My oe oe 252 clarification of the procedure to be followed in forming trivial names from various

classes of patronymics .. at ae ee aN aD a ae 205-207 an arbitrary combination of letters to be eligible as a trivial name .. = a 262

words ending with terminations “-idae” and —inae ineligible as trivial names, save where such terminations are inevitable in the case of trivial names based upon the names of places or persons ; names incorrectly so formed to be invalid 262

insertion of a provision making it clear that, where a specific or a subspecific name is published in a list in which it is preceded by a serial letter or by a serial numeral, that letter or numeral does not form part of the trivialname ave 140, 348

insertion of provisions relating to the gender of generic names and referring to a new Schedule, in which to be incorporated the rules governing the determination of the gender of nouns used as generic names (for use in forming trivial names consisting of adjectives) 5 oe me at .. 246-248, 249-250

Recommandation to be added urging authors to select, as trivial names, words which are short and euphonious from the Latin standpoint tr ee 5. -- 173

Recommandation to be added urging authors not to select, as specific or subspecific trivial names, words already so published for species or subspecies in allied groups .. we Sc ue ee of : ie 196-197

Recommandation to be added urging authors not to select as a trivial name a compound word having as its second part, as the case may be, either agword in noun form or the same word in adjectival form when there already exists in the genus in question a species or subspecies having a trivial name consisting of the same compound but having, as its second part, the same word in adjectival or noun form as the case may be a ate oe Sa He or og rede

Recommandation to be added deprecating the selection, as a trivial name, of a word or combination of words which, when pronounced, appear to be a word or combination of words in some language other than Latin, especially where that word or that combination of words have a bizarre or otherwise objectionable meaning .. or an a, ruc a ae Sy ree Bye -. 254

Linnaeus, trivial names based on the name of, to be formed as linnaei not linnaeusi or linnei .. 3 ee se atc os re ae wa ae »» 206

Zoological Nomenclature 729

Page Régles Internationales de la Nomenclature Zoologique : recommendations for the amend- ment of clarification of, submitted to the International Congress of Zoology (continued).

Fabricius, trivial names based on the name of, to be formed as fabricii not as fabriciusi ae a ae by a we “i ot ah. 206

Poda, trivial names based on the name of, to be formed as podae not as podai .. 206

Bonnet, three proposals submitted by Professor Pierre, for amendment of, post- poned for further consideration is os ge * a “i ~. 207

Bonnet, two proposals submitted by Professor Pierre, for amendment of, rejection of 207-208

Article 15

names formed in contravention of, to be automatically corrected by later authors and to retain original authorship and priority ia Si se fs Ae 68

elimination of existing option to use hyphens to join the several portions of a compound trivial name, save in certain specified cases where the use of such hyphens to be mandatory vis ae oe e ae she eae 197-198

compound trivial names, of which the first portion denotes the presence in the taxonomic unit so named of a specified number of characters, first portion of, to consist of the Latin word for the cardinal number concerned and not to be indicated by a numeral ; such names, if erroneously formed when first published, to be automatically corrected by later authors and to retain original authorship and priority +e 57 ac a0 < a a Se 199-200

Recommandation to be added urging authors proposing to select, as a trivial name,

a name based upon the name of a person possessilig a compound name, to use for this purpose one only of the names constituting that compound name .. 208-209

a compound trivial name published by a binominal author but, on being first published, printed as two words without a hyphen, not to be rejected but to be

corrected by later authors... - 198

proposed further elaboration of, recommended by Professor Pierre Bonnet, consideration of, postponed .. ae 50 ae oe ae Sia 210, 212

Article 16

names formed in contravention of, to be automatically corrected by later authors and to retain original authorship and priority ie ae Ss me an 68

proposal for insertion of a Recommandation relating to the formation of geographical adjectival trivial names, postponement of consideration of ie ee 210, 212

Article 18

names formed in contravention of, to be automatically corrected by later authors and to retain original authorship and priority i

drafting amendment to be inserted at end of section (a)... i i: if sobs drafting amendment to be inserted at end of section (b) as es . anh, 2212 additional example to be added at end of section (c) .. zi oh as wie S15

drafting amendments to be inserted at the beginning of section (d) ct bx 218

730 Bulletin of.

Pagé Regles Internationales de la Nomenclature Zoologique : recommendations for: the amend-: -~,. ment or clarification of, submitted to the International Congress of Zoology (continued). Article 19 names validly emended under, to retain original authorship and priority .. ti 68 interpretation given in Opinion 26 (importance to be attached to evidence afforded by the original publication) to be clarified, and incorporated in . . reese | 1C interpretations given in Opinions 27, 36, 41, 60 and 63 (cases of names which should be emended) to be incorporated in, as examples... A die Be 142-144 co-ordination of, with Article 32 oe ar ne a a ave -. 263 Secretary to the Commission to be invited to prepare, in consultation with special- ists, a comprehensive Report, with recommendations, on means for yin Article 19, for consideration at next mecting of the Congress we nc 2 141 Article 20 names formed in contravention of, to be automatically corrected by later authors and to retain original authorship and priority Ee ¥e ae Ae ore 68 proposed amendment of Recommandation, postponement of consideration of 210, 212 Article 21 citation of authors’ names, clarification of provision regarding se oe 565-566

8 Article 22 proposed deletion of, recommended by the late Dr. Arthur P. Jacot, rejection of.. 258

method to be followed in citing the author of a name, where the taxonomic unit so named has been described Pe one author but that ieee has been published

by another author Ax ae 565-566 existing Recommandation relating to the abbreviation of the names of authors to be deleted and revised Recommandation substituted therefor . . om a oe, ure Article 23

proposed deletion of, recommended by the American Malacological Union, rejection of.. is a ‘ia Be oh Fe ass sits oe ~. 258

insertion of words making it clear that this Article applies only to cases where the generic name is changed and that for this parades the insertion or omission of a subgeneric name is irrelevant . i : a ze a ie -. 254 insertion of a provision that this Article does not apply to cases where a name was originally published as a specific trivial name but is later treated as a subspecific trivial name and vice versa if no change is made in the genus to which the taxo- nomic unit concerned is referred e6 the ple ae Sic alc 254-255

Article 25, general provisions co-ordination of the Laws of Priority and Homonymy a = SRinis. ta

elimination from, of meaningless repetitive phrases .. ake ars ie eet ae ame)

Zoological Nomenclature 731 Page Régles Internationales de la Nomenclature Zoologique : recommendations for the amend- ment of clarification of, submitted to the International Congress of Zoology (continued). clear distinction to be drawn between question whether a specific name is an available name (Article 25) and question whether the taxonomic unit so named is recognisible (Article 31) be Be is de 30. ve 293 a name based on a hypothetical form to have no standing in zoological nomenclature (Opinion 2) a ae a se ae ‘& ay, a 144 a name published conditionally not to be rejected on that account and to be attri- buted to the author by whom it was so published and the date on which it was so published... at a “he oie AC ar te Se 144-145 Recommandation to be added deprecating the publication of names conditionally... 145 status of a name which, prior to publication, was in currency as a manuscript name (Opinion 4) Bo ae tr a Ae a ic 145-146, 259-260, 563 Recommandation to be added deprecating the publication of names which previously had: acquired some currency as manuscript names - aie ws 563-564 status of a name which, prior to being validly published, appeared in a work re- jected for nomenclatorial purposes (Opinion 145) .. .. aie ae 165, 350 status of a name which, prior to being published with an indication, had been published as a nomen nudum .. i: 5 oS Sa 35 .. 259-260, 563 Recommandation to be added deprecating the publication, with an indication, of a name previously published as a nomen nudum or at ae 46 563-564 name used as a group name between genus and species level to rank as a subgeneric generic name as from date of being so published if in the nominative singular or having a termination consistent with that case and number 443 status of a name published as an invalid emendation of a previously published name (Opinion 148) .. Ae ae ws ue ie ase si 148, 183 status of an apparent new name due to an error in a literature-recording serial .. 175 status of a specific name published jointly with a new generic name, no separate description being given for the species so named (Opinion 43) 149 status of a name published anonymously or over pseudonyms or initials only (a) on or before 3lst December, 1950 and (b) after that date .. = ae 213-215 Recommandation to be added recommending that, where a name is published anonymously or over a pseudonym or initials only but the name of the author concerned is known, the author’s name should be cited but placed within square brackets . Le ate 215 Recommandation to be added urging authors validating a name published anony- mously or over a pseudonym or initials only published after 31st December, 1950 to notify his action to a literature-recording serial such as the Zoological Record . . 215 £ Recommandation to be inserted regarding languages in which descriptions of new taxonomic units should be published: (provisions on this subject in existing Appendice to be deleted) a ne ae Ae 4e we ag 55 eal a generic name which, when first published, was an invalid emendation of a previously published generic name becomes an available name if the earlier name is itself invalid and if the emended name differs from the original name sufficiently not to bea homonym thereof .. 6 we = ae ee ox 148

732 Bulletin of

Page Régles Internationales de la Nomenclature Zoologique : recommendations for the amend- i ment or clarification of, submitted to the International Congress of Zoology (continued).

a trivial name which, when first published, was an invalid emendation of a previously published trivial name becomes an available name if the earlier name is itself invalid and if the emended name differs from the original name sufficiently not to be a homonym thereof . . be a2 at ee ia ays 183-184

a trivial name to have no status in zoological nomenclature unless published in connection with a generic name ae ae me oC nic 46 oe 20

a trivial name not invalidated by reason of having been originally published in combination with an invalid generic name x ate ah f 227-228

a trivial name not invalidated by reason of descriptions of parts of two or more animals having been included in the description of the taxonomic unit so named (Opinion 88) ay dive J = an $4 ae a kip 151-152

status of a generic name published in a specific synonymy .. ee a3 350-35)

proposed insertion of a provision relating to the suppression of trivial names found to be totally misleading, rejection of . . cic Sx re Xe ie 288-289

Recommandation to be added urging authors of new names for taxonomic units belonging to categories to which the Law of Priority is applicable to notify the publication of those names to a literature-recording serial such as the Zoological Record .. a ae ts is ee Er ery = sf oon BEZE

Recommandation to be added deprecating the publication of new names in abstracts : ae ae 221-222

Recommandation to be added deprecating the publication of new names in keys 222-223

Recommandation to be added urging authors not to publish a name as a new name on more than one occasion (Declaration 6) .. ae be A oa AGS

Recommandation to be added urging authors publishing new names clearly to distinguish those as new (Declaration 6) Me 5c sis Ee aft 168-169

Recommandation to be added urging authors publishing names of new taxonomic units to give particulars of the position in the Animal Kingdom of the unit so named (Declaration 11) bs és ate t- " ar aa HO

Article 25, provisions relating to publication

meaning of the expression “‘ divulgué dans une publication in relation to the publication of a scientific name defined (a) in respect of names published on or before 3lst December, 1950 and (b) after that date AF mt 165, 215-221

certain types of action not constituting publication to be enumerated Sic .. 219-220

status of a name given currency through appearing in advance separates (Opinion

59) ag Pa ae ; 146 Recommandations to be added urging authors not to distribute separates in advance of publication of paper concerned .. ats Be bia He - 167-168

status of a name given currency through the circulation of proof sheets (Opinion 87) 146

status of a name given currency through the distribution by an author of a note explaining a photograph or other figure containing the name in question (Opinion 191) ie oe irs at a ae ote we er ats 146-147

Zoological Nomenclature 733

Page Régles Internationales de la Nomenclature Zoolojique : recommendations for the amend- ment or clarification of, submitted to the International Congress of Zoology (continued).

cases of doubt on the question of publication to be referred to the International Commission on Zoological Nomenclature for decision .. Ee Fe va 219

Recommandation to be added urging authors and editors to affix certain particulars to books and serials and parts thereof for the purpose of facilitating determination of question as to whether the book or serial has been duly published an Ae 74)

Rtecommandation to be added deprecating publication of new names for taxonomic units in books or serials reproduced otherwise than by printing .. au 220-221

ecommandation to be added deprecating publication of new names for taxonomic units in the non-scientific press M3 5 ne a ae ia oe | Bel

names of identical date published in the same book or serial, relative priority of, to be determined in accordance with panelule of Page precedence instead of that of the “first reviser” .. ats ; nl -. 330

Article 25, provisions re ating to the date of publication.

expression “le plus anciennement designé”’ to be rigidly construed and cases of books of identical date to be referred to the Commission for decision on Tages to be accorded .. Si a: che ie “0 ie ae : : 257

method to be followed in determining the date of publication of a given book or serial or part thereof .. we ae exe ar ey ae a? 223-225

cases where two books or serial publications or parts thereof are, or are deemed to have been, published on the same day to be referred to the International Com- mission on Zoological Nomenclature for determination of relative priority to be assigned to new names respectively published therein ay en ae Cal Lop

Recommandation to be added on the subject of the method to be ay ie in citing the dates attributed to scientific names ape oe Be 225-226

method to be followed in determining the date to be assigned for purposes of the Law of Priority to names published in books or serial publications appearing in instalments where a portion of the description of the taxonomic unit to which a new name is applied appears in one instalment on one date and the remainder in the next following instalment on a later date a ne Be .. 226-227, 293

Recommandation to be added deprecating the splitting of the description. of a new taxonomic unit between two successively issued instalments of a given book or serial publication sie ;

two w a

Recommandation to be added the insertion in zoological books and serial publications of particulars of exact date of publication of the book or serial concerned and of its several Parts (Declarations 3 and 8) ne ae ot 45 “is we NL)

Article 25, Proviso (a). re-definition of the meaning of the expression indication in relation to generic _ names and cancellation of interpretation in regard thereto given in Opinion1 .. 78-80 clarification and incorporation in, of interpretation relating to the meaning of the expression “indication given in Sea 1 other than the portion Rag eF to generic names .. “Fc ate : Sie ae ies te . 148-149, 345

status of a generic and specific trivial name where, prior to lst January 1931, both names were published simultaneously and a joint description was given for both (Opinion 43) “f ar ce ie ie ie bac 0 te ia Lao

734 Bulletin of

Page Régles Internationales de la Nomenclature Zoologique : recommendations for the amend- r ment or clarification of, submitted to the International Congress of Zoology (continued). status of a generic name published prior to Ist January 1931 when that name is based solely on a figure (illustration) without other indication .. se wer § 205 signifitance to be attached to the citation, in an original a of ae locality (Opinion 52) .. ke $e Sc a4 Se: L avo LOO significance to be attached to the citation, in an original description, of a geological horizon, in the case of a fossil species . . oe on ae xe He 256-257 significance to be attached to the citation, in the original description of a parasitic species, of the name of the host species without any other particulars he -. 256 status of a name based on the description of the work of an animal, without any description of the animal itself + as te ie a Ae 2 eno Recommandation to be added urging authors, so far as possible, to avoid ae new taxonomic units based solely upon the work of an animal .. a 255 Article 25, Proviso (b) expression ‘‘ nomenclature binominale * to be substituted for expression ** nomen- clature binaire 83 ae $ ~ ore a3 ie = -- 63-66 grant to the International Commission on Zoological Nomenclature of special powers to deal with hard cases arising out of the elimination of the*expression “‘ nomen- clature binaire ce ae 50 NX: oe dts = re a 65 expression * principes de la nomenclature binominale ”’, definition of oe ed hap lines status of names originally Bevis before 1758 when kup after Lip definition of (Opinion 5) : pis : 150 names published before 1st January 1931 by binominal authors in books dealing with classification down to the genus level but no lower not to be rejected as non- binominal 26 te ne ar 2% 2 ave fo ye +. 309 Article 25, Proviso (c). Paragraph (1): expression which differentiate...’ to be deleted and revised wording substituted therefor .. RE Er a x as ne -. 70-71 Recommandation to be added urging authors, when publishing new names for taxonomic units to include comparisons with allied units .. 1S we “0 71 Paragraph (2): expression *“ definite i il a reference ’’ to be deleted and revised wording substituted therefor .. ® .. , oe we .. 68-70 Recommandation to be added regarding method of citation desirable when a name is published as a substitute for an earlier but invalid name .. a a .. 69-70 Paragraph (3) : expression definite unambiguous designation of the we pe species to be deleted and revised wording substituted therefor. . x aa, je Fl—72;. 07 Recommandation to be added regarding method desirable to be adopted for itso taes type species of a genus on the first publication of the generic name : .. 72-73 point of time as from which Proviso (c) operative BS Sts g am == | CORD

generic names published subsequent to 3lst December 1930, to be available only if type species designated or indicated either (1) under Rule (b) or Rule (c) or (2) under Rule (a) or Rule (d) as those Rules existed prior to Paris Congress .. 177

Zoological Nomenclature 735

Page Régles Internationales de la Nomenclature Zoologique: recommendations for the amendment or clarification of, submitted to the International Congress of Zoology (continued),

Article 26.

expression “* nomenclature binominale to be substituted for expression ‘‘ nomen- clature binaire Ms = or we 3 ets == te 65

relative status of 10th edition of Systema Naturae and other works published in 1758, clarification of (Opinion 3) SB on Pr ole ne 38 se 150-151

Proviso to be added securing availability for names published in Clerck’s Aranei svecici as from 1758 with priority over 10th edition of Systema Naturae of Linnaeus . . a ne oa Pe he me a ae aa 315-319

Article 27. adaptation of, to meet requirements of polymorphic species ie 239-240

+

Article 28.

substitution of “‘ page precedence’ principle for “first reviser’ principle in provision at present contained in 8 se Ee BS .. 257-258, 328-331

the International Commission on Zoological Nomenclature instructed to deal with hard cases arising out of the substitution of the page precedence ”’ principle for the first reviser ”’ principle sr : <A 5. m8 ae -. 330

existing Recommandation to be deleted consequentially upon substitution of page precedence principle for first reviser principle in this Article ae 330-331

Article 29.

Recommandation to be deleted consequential upon expanded Recommandations dealing with the same subject being added to Articles 25 and 30 nic He 73

Article 30, general provisions. use of a generic name prior to 1758 irrelevant for purposes of Article 30... 347-348

words to be inserted to make it clear that the whole Article applies to generic names published before lst January 1931, but that names eee aise to that date are subject only to Rules (a) to (d) A : oa 176-177

Rules (a) and (d), additions to, made by Paris ee to esos pe to names published before Ist January 1931... Aye 176-177

Recommandations at present incorrectly lettered in sequence with Rules (a) to (g) to be given a separate series of notation, to make it clear that they are Recommandations only and not mandatory provisions ate rs $i 180-181

procedure to be followed in determining what species are to be treated as having been originally included species, in cases where one or more such species are cited by the original author of a genus Oe as oa = ae A: 179, 180

procedure to be followed in determining what species are to be treated as having been originally included species, in cases where no species was distinctly referred to the genus by its original author (Opinion 46)... hi ae .. 159-160, 346

type species of a genus not liable to change on the union of that genus with another genus on taxonomic grounds (Opinion 164) an wa Ric a a aD iy /

,

736 Bulletin of

Page Régles Internationales de la Nomenclature Zoologique : recommendations for the amend- ment or clarification of, submitted to the International Congress of Zoology (continued).

author of the name of a genus to be assumed correctly to have identified the species referred by him thereto (Opinions 65 and 168) os ug fie ve -..) 158

International Commission on Zoological Nomenclature to have the duty to use their plenary powers to vary the. type species of a genus based upon a mis- identified type species, save where it is of the opinion that greater confusion than uniformity would result therefrom .. Fs Ke gre baa bi 158-159

author of the name of a genus to be assumed correctly to have identified species designated by him as the type species ; an author selecting an originally included species to be the type species to be assumed RST to have identified the species so selected (Opinion 14) 3 E Ste 158, 159

a nominal species, the original description of which contained descriptions of parts of two or more species to be eligible to be the type species of a genus, the identity of the species in question to be determined under Article 31 (Opinion 88) 151-152

type species of a genus bearing a name which is an emendation of a previously published generic name to be the same species as the type ae of the genus, the name of which was so emended (Opinion 148) .. sa an -. 148 designate and ‘‘ designation ’’, expressions to be used consistently to denote the determination of the type species of a nominal genus by the original author thereof and expressions “select”? and “selection” in relation to any such determination by a subsequent author wt ts <0 Xe ae se” 1a “select” and selection,” use of expressions, see ‘‘ designate”

s type species (“‘ espéce ”’), expression to be used to denote the concept “type species of a nominal genus” .. "ic or be 8 Bc -. 300

genotype ’, Recommandation to be added deprecating use of expression .. .. 300

Article 30, Rule (a).

significance to be attached to the use of the expression “‘ n.g., n.sp.”’ on the first publication of a generic name published prior to Ist January 1931 (Opinion 7) 152-153

Article 30, Rule (c). a genus to be treated as monotypical when one nominal species only is cited as referable thereto, irrespective of the stated or implied intentions of the author of the generic name (Opinion 47) aA af? se fi ne 0 153 . Article 30, Rule (a).

application of, to a generic name published prior to lst January 1931, where there

is cited in the synonymy of one of the originally included species a pre-1758 is univerbal specific name consisting of the same word as the generic name (Opinion 16)... a 46 AA repeat 35 $4 5 154-155

application of, to a generic name published prior to lst January 1931, where one of the included species has a synonym bearing as its trivial name a name con- sisting of the same word as the generic name, even if that synonym is not cited at the time of the original publication of the generic name (Opinion 18) .. 153-154

Article 30, Rule (e).

definition of the expression “species inquirenda” .. a as ae 298-299

Zoological Nomenclature

hégles Internationales de la Nomenclature Zoologique : recommendations for the amend- ment or clarification of, submitted to the International Congress of Zoology (continued).

Article 30, Rule {f).

species to be regarded as the type species or as a species eligible to be selected as the type species, of a substitute genus, the name of which was published prior to Ist January 1931, where either genus, when originally established, contained species which were recognisable but which were not on that occasion cited under binominal names (Opinion 35)

species eligible for selection as type species of a genus having a substitute name published prior to Ist January 1931 (where no type species had been designated, indicated or selected for the genus so renamed) or of the genus, the name of which was so replaced (Opinion 35) - aE big ah

Article 30, Rule (q)

a type selection by a subsequent author not invalidated if that author misidentified

737

Page

155

155

species so selected (Opinion 14) AP os we +4 - ‘e 157-158

citation of a nominal species as the type species of a genus to be accepted as a valid type selection, irrespective of whether the author concerned regarded himself as selecting a type species or believed that the apenies in question had DEVO been.

designated or selected as such . {4 3 : ae ee 181-182

a type selection, related to any place of publication other than the original mis of publication, of a generic name not to be valid ye % 4 ae

citation of a nominal species as the type species of a genus to be accepted as a valid type selection, even if the nominal species in question was not an originally included species, in cases where the author so citing that species synonymises it with an originally included nominal species oe ie ae ae Aa

selection of a type species in a literature-recording serial to be accepted (Opinion 172)

Recommandation to be added urging authors selecting a type species for a genus established prior to Ist January 1931 to notify that selection to a literature- recording serial such as the Zoological Record ae 7, of

any species included in two or more genera established prior to Ist January 1931 with identical limits but with no designated type species, eligible for selection as the type species of any or all of the genera concerned (Opinion 10) ;

a species included in a genus established prior to Ist January 1931 but not then cited under a binominal name eligible for selection as the type «Bors of the genus

348

180

161

126

156

(Opinion 35)... Be: =i A at : £5 155-156

a genus established prior to Ist January 1931 with two but not more than two species, neither of which was designated or indicated as the type species to have, where one of those species is later designated as the type species of a monotypical genus, the species not so designated as ts type species (Opinion 6) . . SF As

a species included in a genus established prior to 1st January 1931 to be eligible to be selected as the type species of that genus, ee the fact that it is

157

already the type species of some other genus (Opinion 62) . re ne 156-157

species eligible for selection as the type species of a nominal genus, the name of which was published in a generic synonymy, gi ales to salir ames Report

on, with recommendations rt ; Hi 351-352

738 Bulletin of Page ltégles Internationales de la Nomenclature Zoologique: recommendations for the amendment or clarification of, submitted to the International Congress of Zoology (continued). Article 31 revision of, by the substitution of direct, for relative, provisions and the elimination of confusion between nomenclature and taxonomy .. i = 73-76, 292-293 insertion in, of provisions parallel to those in Articles 29 and 30 ny an .. 74-76 method to be followed in determining the identity of a nominal species (whether composite or not) by means of the holotype or, where there is no holotype, by the selection of a lectotype or of a figure or previously published description to represent the lectotype .. ste Dre ans Sh 4 8 So “vis . 74-76 where specialists agree that identity of given nominal species unrecognisable, name in question to be treated as nomen dubium ; cases of disagreement to be sub- mitted to the Commission ae oe af: Es oft a ye os 76 second sentence of Article 31, as it existed prior to the Paris Congress to be retained 76 principles laid down in relation to the selection of the type species of a genus by Opinions 6 and 62 to apply, mutatis mutandis, to the selection of the lectotype of a species .. oo hs ct fs 4; Ae be Be Be ete 76 * Article 31, as now revised to apply to a nominal species, the original description of which included descriptions of parts of more than one species (Opinion 88) cen) BUB2 type specimen of a nominal species bearing an emended name automatically the same specimen as that which is the type specimen of the nominal species, the name of which has been emended tt ais : 183 “neotypes not to be recognised at present, but Secretary invited to prepare, in consultation with specialists, comprehensive Report on this question .. 192-193 Secretary invited to prepare Report, in consultation with specialists, on certain other outstanding problems in connection with Article 31 .. i we -. 602 Article 32 co-ordination of, with Article 19 .. se we a Xe ea Ss -.- 263 co-ordination of, with Article 25 se xe Me Jed be Sie Se Peale: proposal for express provision for suppressing names when totally inappropriate, rejection of : Se ae 2 x as ie e: jt) 2289 Article 34 co-ordination of, with Article 1(3) Chi = 2 ys ee o 258-259 co-ordination of, with Article 25 .. oe Be 5. - 2 ae 28) 180 transfer to, of Recommandations relating to generic names hitherto attached to Article 36 as <0 3. = ae a ais os ae Stee ANE criteria to be adopted in determining whether one generic name is a homonym of another generic name (Opinion 147) .. aie a he 130-131, 161-162 243

a generic name to be rejected as a homonym if it has previously been published as an emendation of another generic name (Opinion 148) an ie = -s Lbs

Zoological Nomenclature 739

Page Régles Internationales de la Nomenclature Zoologique : recommendations for the amend- ment or clarification of, submitted to the International Congress of Zoology (continued).

a generic name which is the older of a pair of homonyms not to be ignored on the ground that its type species is unrecognisable, its name being a nomen dubium .. 398-399

a generic name based on a modern patronymic, of which the first portion consists of the particle ‘‘ Mac-”’ or Mc-”’ to be rejected as a homonym of a prgviously published generic name if it differs therefrom only in the spelling used for the foregoing particle B e et Pe oe

ecommandation to be added urging authors to avoid the publication of a generic name which differs from a previously published generic name only through having as the accented syllable the syllable en or “‘ an as the case maybe .. 243

a generic name not to be rejected as a homonym on the ground that it has previously been published as an Ordinal name or asaname of higherrank (Opinion 102)... 164

Recommandation to be added deprecating the selection, as generic names, of words previously published as an Ordinal name or as the name of a category of higher rank et s is “é i ve re zs = ne 164-165

a generic name not to be rejected as a homonym on the ground that it has previously been published in a work rejected for nomenclatorial purposes (Opinion 145) 165, 350

a generic name not to be rejected as a homonym on the ground that it has previously been published as a generic name through an error in a literature-recording serial 175 +

provision at present forming a Recommandation to Article 36, relating to the relative precedence to be accorded to homonyms of identical date when originally published respectively as generic and subgeneric names, to be incorporated in Article 34 as a substantive provision .. = a at a Sa oe -4 Bre 62105

names differing from one another only by the termination ‘“‘ -mus and -nus ”, no need for express definition of status of, in view of fact that provisions now to be inserted in Article 34, prescribing the conditions in which one generic name is to be treated as a homonym of another such name are comprehensive Ae 349

Articles 35 and 36

existing Articles to be cancelled and revised comprehensive provisions substituted therefor .. er Bd aie aha See Ae -s oi 97-105, 107-125

co-ordination of, with Article 1(3) Se oe aa = wy es 258-259 co-ordination of, with Article 25 . . oe os a PAR ae oe a” el expressions ‘“ primary homonym ”’ and secondary homonym to be introduced into

Régles and defined, and expression ‘‘ homonym to be defined .. 118-119, 344-345 expression “‘ specific name *’ to be defined = ra ft “ts ne -- 27

expression specific trivial name” to be introduced into Régles and defined 127-128 expression “‘ subspecific name to be defined LF at Ag me cm w25 expression subspecific trivial name to be introduced into Régles and defined 128-129

the later published of any pair of primary homonyms to be permanently rejected and to be replaced either by a new name or by a previously published name for the species or subspecies concerned ae ae wis va ee a 119-121

740 Bulletin. of

Régles Internationales de la Nomenclature Zoologique : recommendations for the amend- -uent or clarification of, submitted to the International Congress of Zoology (continued).

where, prior to Ist January 1951, the later published of any pair of identical trivial names was rejected on account of secondary homonymy, that rejection to be accepted as valid whether or not the two species or subspecies in question were at the time still regarded as congeneric with one another Se

after Ast December 1950, the later published of any pair of identical trivial names to be rejected on account of secondary homonymy, whenever, but only if, the two species or subspecies in question are still regarded as congeneric with one another 2 vp ae nis e: ig

where the later published of any pair of identical trivial names is validly rejected on account of secondary homonymy the name so rejected to be rejected perman-

Page

121

121

ently and to be replaced in like manner to a rejected primary homonym 121, 122-124

a new trivial name given to a species or subspecies consequent upon the invalid rejection, after 31st December 1950, of a trivial name on account of a secondary

homonymy to have no status in zoological nomenclature .. AY; +e 123-124

Recommandation to be added urging authors rejecting and replacing either a primary homonym or a trivial name on account secondary homonymy to notify such rejection and replacement to a literature-recording serial such as the

Zoological Record i fabecieloeraisgty eck balou wp Ae ah og hE 119, 122

subgeneric names not to be treated as coordinate with generic names for the pur- poses of specific homonymy and therefore to be ignored for the purpose of deter- mining whether a given name is a homonym of another name Le se

subspecific trivial names to be subject to the same provisions as specific trivial names, both inter se and as between one specific, and one subspecific, trivial

124

name .. is 46 As 3 Ae ee oy 2: MM 124-125

the subspecific trivial name of the nominotypical subspecies of a polytypic species to be exempt from the rules governing specific homonymy. . am Ne

list of differences in spelling to be ignored in determining whether trivial names of certain classes are homonyms of other names belonging to those classes to be the same as those for generic names, except for the addition of a provision corres-

191

ponding with that in the existing Article 35 (3) (e) .. m cic ye 162-163

provision in the third paragraph of existing Article 35 not to be included in the revised Article .. nif bas at ae «a or ae Sh at

addition to provision corresponding with that in Article 35 (3) (e) of a provision relating to variations in spelling due to differences in transliteration of the con- sonental “‘ i” and to the use of the letters f” and “‘ ph”...

a trivial name not to be rejected on the ground of apparent homonymy arising from undetected generic homonymy (earlier decision in opposite sense later reversed)

125

243

121-122, 343-345

a trivial name to be rejected on the ground of homonymy where previously the name of a species or subspecies in the same genus has been emended so as to form a name identical therewith

the earlier published of any pair of identical specific names not to be ignored for purposes of the Law of Homonymy on the ground that the species so named is unrecognisable, its name being a nomen dubium .. at ys “é

a trivial name based on a modern patronymic, of which the first portion consists of the particle ‘‘ Mac- or “‘ Me to be rejected as a homonym of a previously pub- lished trivial name for a species or subspecies in the same genus if it differs there- from only in the spelling used for the foregoing particle

184

398

208

Zoological Nomenclature 741

Page Régles Internationales de la Nomenclature Zoologique : recommendations for the amend- ment or clarification of, submitted to the International Congress of Zoology (continued).

Recommandation to be added urging authors to avoid the publication of a trivial name which differs from a previously published trivial name for a species or sub- species in the same genus only through having as its accented syllable the syllable

“ee

en” or an” as the case may be 243 Recommandation to be added urging authors to avoid the publication of a com- pound trivial names which differs from a previously published trivial name for a species or subspecies in the same genus or in allied genera solely by reason of the fact that one portion of that name is in the one case in noun form and in the other case in adjectival form .. ie Re * By 3 -. 240-242, 295-296

the International Commission on Zoological Nomenclature to use its plenary powers to suppress a compound trivial name differing only from another such name by one portion of the name being in the one case in noun form and in the other case in adjectival form, in cases where the Commission is satisfied that the co-existence of the two names in question has caused, or is likely to cause, confusion .. fe 242

a trivial name not to be rejected as a homonym on the ground that it has previously been published as an Ordinal name or as a name of a category higher rank .. 164

Recommandation to be added deprecating the selection, as a trival name, of any word previously published as an Ordinal name or as the name of a category of higher rank ie a2 ee 5 = e oi re a 164-165

a trivial name not to be rejected on account of homonymy on the ground that it has previously been published for a species or subspecies in the same genus in a work rejected for nomenclatorial purposes (Opinion 145) .. a yy 165, 350

a trivial name not to be rejected on account of homonymy on the ground that it has previously been published for a species or subspecies in the same genus, where such publication is due to an error on the part of a literature-recording serial ae

transfer to, of Recommandations relating to trivial names hitherto attached to Article 36 HK Ae ze - ay a Re oe se Tee oO

substitution of the word ‘“‘ théme for the word radical in the third and fourth of the Recommandations now to be transferred from Article 36 .. 3 265-266

provision relating to the relative precedence to be accorded to homonyms of identical date when originally published respectively as specific and subspecific trivial names to be converted into a mandatory provision on transfer from Article 36 fe a a aie 5r a = ie - -. 265

the International Commission on Zoological Nomenclature to use its plenary powers to suppress for nomenclatorial purposes books or papers published by irresponsible or malicious perons for the deliberate purpose of creating secondary homonyms or providing opportunities for publishing new names os 16 hi so) ded

Appendice conversion of, into a Schedule .. on gh i Af Ea ey oa 65 status of provisions in, definition of a a. ey La ny e a iB:

Section A”, deletion from, of first sentence (languages recommended for use in describing new taxonomic units) consequent upon transfer of Recommandation on this subject to Article 25 .. A a of ate af Fz |

742 Bulletin of

Page Régles Internationales de la Nomenclature Zoologique : recommendations for the amend- ment or clarification of, submitted to the International Congress of Zoology (continued).

deletion from, of second sentence and next following sentence (sentence placed between Section ““A” and “‘B”’) relating to type specimens consequent upon the insertion in the Régles of a comprehensive Article (and ecRO DA ERNE Recom- mandations) dealing with this subject ae ae ae . ae a. 186

Section to be added prescribing the method by which a word originally written in the Cyrillic alphabet should be transliterated into the Latin ee when such a word is made into, or made part of, a scientific name - : 228-229

proposed insertion in Section “‘ F of an additional section relating to the trans- literation of the Latin letters ‘‘ v ° and “i,” consideration of, postponed. . 210, 212

Section ‘“ G,”’ consequential amendments necessary in view of addition of a Section relating to the transliteration of words from Cyrillic alphabet, to be made in 229, 250-251

NOTE : For particulars relating to decisions regarding other Schedules, see “* New Articles and Schedules, Nos. (25) to (30).

(c) New Articles and New Schedules

(1) New Article recognising for nomenclatorial purposes the category infra- subspecific name and laying down rules governing this category of name and clarifying its relationship to the names of subspecies se ee .. 81-82, 83-96

The foregoing New Article to include provisions on the following matters : “* subspecific name ”’, expression to be defined ne ae * i se 89

* infra- Sere name’ expression to be introduced into the Régles and defined. . - - aie a4 He sie as ci ae 89

infra-specific names to be classified initially as subspecific names or infra- subspecific names by reference to the objective criterion provided by the manner of original publication Ae ts ois 36 4 ae == 91-92

standard to be adopted for determining whether a given name is a subspecific name or only the name of an infra-subspecific form to be less rigorous in the case of a name published prior to Ist January 1951, the date on which the new scheme to come into operation, than for a name published prior to that date ; standard to be laid down in the mandatory provisions to be a minimum standard, in order to prevent names from being invalidated for technical nomenclatorial reasons _ os ie ~- A a a -. 90-92

Recommandation to be inserted prescribing ideal method to be aimed at by authors, when publishing new names intended to be subspecific names ee 90

Recommandations to be inserted regarding the manner to be adopted in citing either a subspecific name or an infra-subspecific name at the time of original publication, in order clearly to Fo the i aed to which the name in question belongs Ae 30 xc - : es <2 ai 92

infra-subspecific trivial names to be co-ordinate with one another but not with the trivial names of species and subspecies and vice versa (establishment of separate realms for these classes of name) .. abe i a oy od wis 93

rules governing the transfer of a name from the realm of infra-subspecific trivial names to the realm of specific and subspecific trivial names and vice versa .. 93-94

method to be followed in citing a previously published name for an infra-sub- specific form .. =. sis AG ve on x = at a 94

Zoological Nomenclature 743

Page Régles Internationales de la Nomenclature Zoologique: recommendations for the amendment or clarification of, submitted to the International Congress of Zoology (continued).

Recommandation to be added regarding the method to be adopted in citing an infra-subspecific name at the time of original publication : a a

Recommandation urging authors publishing descriptions of, and naming, infra- subspecific forms, to compare the forms so named with some previously named such form a we ve es of as a aa at 9 95

Recommandation to be added urging authors elevating infra-subspecific trivial names to be specific or subspecific trivial names to notify such elevation to a literature-recording serial such as the Zoological Record i bis ae 94

application, subject to certain specified exceptions, to the trivial names of infra- subspecific forms of the provisions of the Regles relating to the trivial names of species and subspecies ne 7” Le a 5 Np ace aA 95

grant to the International Commission on Zoological Nomenclature of power to prescribe, subject to certain conditions, the use of uniform technical designations for parallel infra-subspecific forms occurring in groups of allied species, such designations to be used in preference to any trivial name previously published for such a form of any of the species concerned, the words used for such designations to be ineligible for use for other infra-subspecific forms in the genera to which the species concerned are referred ee = ae -. 95-96

(2) New Article introducing, and defining the expressions holotype ”, syntype and “‘lectotype” and regulating generally the positions of type specimens (Article in replacement and amplification of provisions hitherto placed between Sections “A” and “B” of the Appendice) a oe ws x 184-188

The foregoing New Article to include provisions on the following matters :

“holotype”, ‘* syntype ”, “lectotype ”, definition of, in relation to type specimens of all taxonomic units from species to infra-subspecific form ; expressions to be substituted, as appropriate, for the word type” in the Régles .. a id ot ee 74 a 3 ee 185-187

“neotype ”’, question whether to be recognised as a category of type specimen to be the subject of a Report to be prepared by the Secretary in consultation with specialists P = ae sis oe ye ys 191-193

inserted 186

Delaratory Article stating that type specimens are the property of science to be Recommandation urging authors and other persons is possession of ‘‘ holotypes and lectotypes ’’ to deposit those specimens in a museum or other institution where they will be safely preserved and will be accessible for purposes of research had 23 =e is = 4 a ae a EF had ey;

Recommandation urging authors of new names always to designate a holotype, and specifying particulars which it is desirable should be published regarding the holotype when a new taxonomic unit is described and named .. ae 187-188

Recommandation regarding particulars which it is desirable should he published regarding a lectotype when such a type specimen is selected from a series of syntypes ei ot ae a =f 188

Recommandation regarding the need for affixing a prominent label to every holotype or lectotype A in Sic Ar 7 * na ye) Las

Recommandation urging authors to avoid the use of the expression “‘ co-type *’ 190-191

(3) New Article prescribing the method to be adopted in naming the nominotypical

subspecies of a polytypic species - rs gee =“ oh 191

744 Bulletin of

Page Régles Internationales de la Nomenclature Zoologique : recommendations for the amend- . ment or clarification of, submitted to the International Congress of Zoology (continued).

(4) New Article prescribing that Latin names (generic or trivial) bestowed upon monsters (e.g. Schistosome Monsters) have no status in zoological nomenclature 363-364

(5) New Article prescribing that, where a genus is divided into groups and there are applied to those groups Latin designations which are, or which appear to be, nouns in the nominative singular, the designations so papiabed are to be treated as having been published as subgeneric names .. . me Si sh .. 443

(6) New Article embodying the substance of the Code of Ethics (Declarations1and12) 167

(7) New Article providing for the prevention of the misuse of the Peace o. for the purpose of giving political, religious or personal offence .. ate 193-194

(8) New Article deprecating the use of intemperate payers in the discussion of zoological nomenclature (Declaration 4) Ale oa ? ft Be = Gu

(9) New Article recommending that at least once in any given paper an author should cite a bibliographical reference for each name cited therein (Declaration 7) 170

(10) New Article defining the purposes and scope of the Official List of Generic Names in Zoology and of the ‘‘ Official Index of Rejected and Invalid Generic Names in Zoology ”’, prescribing the status of a name placed on the Official List and defining the duties of the International Commission of Zoological Nomenclature in relation that ‘‘ List Sr os 35 267-269, 271, 334-335

(11) New Article defining the purpose and scope of the Official List of Specific Trivial Names in Zoology *’, and of the Official Index of Rejected and Invalid Specific Trivial Names in Zoology ’’, prescribing the status of a name placed on the Official List *’, and defining the duties of the International Commission on Zoological Nomenclature in relation to that “‘ List .. 270-271,334-335, 627-628

(12) New Article embodying the Plenary Powers Resolution of 1913, subject to certain amendments and additions .. aA 51-56, 65, 124, 231-232, 242, 296

The foregoing New Article to contain provisions on the following matters:

applications for the use of the plenary powers for the protection of long-established names and nomenclatorial usages to be given special consideration .. 323-324

plenary powers available for dispelling doubts as to how the Staigsn should be applied as well as for suspending their operation § . 24

plenary powers to be used to validate well-established generic names published by non-binominal authors where these found to be invalid consequent upon the elimination of the expression ‘‘ nomenclature binaire from Article 25 ae 65

plenary powers to be used for suppressing books or papers where the Commission satisfied that there has been a deliberate misuse of the Régles for the purpose of creating secondary homonyms and consequently of providing ping for publishing new names Ei Af ae Se a : oy aio) bad

plenary powers to he used to vary the type species of genera based upon misiden- tified type species, save where Commission consider that confusion would result from such action Se ye er Se is 2 334 is 158-159

plenary powers to be used where Commission satisfied that concurrent use in the same or allied genera of compound trivial names differing from one another only by the fact that one portion of the name is in one case in noun form and in the other case in adjectival form, has caused, or is likely to cause, confusion .. 24

i

Zoological Nomenclature 745

Page Régles Internationales de la Nomenclature Zoologique : recommendations for the amend- ment or clarification of, submitted to the International Congress of Zoology (continued).

plenary powers to be used, as appropriate, to prevent confusion from arising in particular cases through the substitution, in Article 28, of the page preced- ence’ principle for the “first reviser’’ principle in determining relative priority to be assigned to two or more names published in the same work .. 330

correct name of a taxonomic unit to be specified by the Commission when use of plenary powers in relation to its name refused .. ate BC He ca)! Gol

procedure to be followed in the use of the plenary powers to suppress a name (a) for the purpose of validating some later use thereof, and (b) for the purpose of validating some other name, clarification of i Mi : on 338-339

(13) New Article requiring the International Commission on Zoological Nomen- clature, in consultation with specialists, to determine the status of new names published in any book of doubtful status which the Commission, on an application submitted, may have declared to be available for nomenclatorial purposes, with a view to placing those names on the appropriate ‘‘ Official List or “‘ Official Index,” as the case may be, or to the use of the plenary powers to suppress any such name the introduction of which would lead to instability or confusion .. 310

(14) New Article prescribing the functions of the International Commission on Zoological Nomenclature (including any new functions conferred thereon by the Paris Congress) .. Hag de oc old 24 ss 3 A: 290-292

(15).New Article prescribing the rules governing the composition of the Inter- national Commission on Zoological Nomenclature .. - Ee ac 325-327

(16) New Article prescribing the form and scope of the bi Laws of the Inter- national Commission on Zoological Nomenclature .. ah 327-328, 331

(17) New Article providing for the automatic cancellation of Opinions relating to individual nomenclatorial problems, on their contents being entered in the Schedule to the Régles established for the recording of such decisions .. 332-333

(18) New Article prescribing the status of interpretations of the Régles given by the International Commission on Zoological Nomenclature in Declarations .. 294-295

(19) New Article enjoining authors, when discovering that a well-known name is invalid or a well-known nomenclatorial usage is incorrect, at once to submit the case to the International Commission on Zoological Nomenclature for such action as may be considered appropriate, and in the mean time to refrain from disturb- ing existing nomenclatorial practice. . Ae oe “te .s As . -234-235

(20) New Article defining the status of the provisions embodied in the former Appendice (now a Schedule) to the Régles .. 5 ate a At a" 73

(21) New Article prescribing the procedure to be followed in amending the Régles 295

(22) New Article prescribing the long and short titles of the ae as amended Py, the Paris Congress 3 2 : 260

(23) New Article prescribing the date of entry into force of the Régles, as amended by the Paris Congress .. a ate a a fic 04 3 .. 342

(24) New Article repealing the existing Régles as from the date of ey 24 into force of the Régles, as amended by the Paris Congress .. : 260

(25) New Schedule in which to be recorded all decisions taken by the International Commission on Zoological Nomenclature under its won powers and relevant Opinion cancelled a a a me - me we 65, 332

(26) New Schedule in which to be recorded all decisions taken by the International Commission on Zoological Nomenclature on individual nomenclatorial problems, otherwise than under its plenary powers... 45 os ac ar 261, 333

746 Bulletin of

Page Regles Internationales de la Nomenclature Zoologique : recommendations for the amend- ment or clarification of, submitted to the International Congress of Zoology (continued).

(27) New Schedule specifying the rules governing the gender of Latin nouns or Latinised Greek nouns and the formation of the genders of adjectives, for the guidance of zoologists in determining the gender of generic names and of citing adjectival trivial names in agreement therewith .. re Na ef 249-250

(28) New Schedule or Schedules containing the ‘‘ Official List of Generic Names in Zoology and the “‘ Official Index of Rejected and Invalid Generic Names in Zoology ve x ae 2: 333-334

(29) New Schedule or Schedules containing the Official List of Specific Trivial Names in Zoology” and the Official Index of Specific Trivial Names in Zoology 5: 36 0 Pe a ae 333-334

(30) Schedules, order in which, to be arranged, to be left to the jurists to determine 261

Reégles Internationales de la Nomenclature Zoologique : arrangements for preparation, and promulgation of text of, as revised by the Paris Congress.

preparation of texts for inclusion in the substantive French text of the Régles (i) for the purpose of completing existing gaps, and (ii) for the purpose of giving effect to deci- sions by the Paris Congress to be entrusted to jurists; literal English translation of revised substantive French text of Régles to be prepared by jurists; draft of substantive French text and of English translation, when received from the jurists, to be submitted (i) to all members of the Commission and (ii) to all the zoolo- gists who served as Alternate Commissioners at Paris, for scrutiny for the purpose of ensuring the draft text gives full effect to the decisigns taken by the Paris Con- gress, a period of three months being reserved for the receipt of comments from Commissioners and Alternate Commissioners’ .. rhe se a 5 3c 77

comments on draft texts received from Commissioners and Alternate Commissioners to be examined by the Executive Committee (replaced under a later decision by an ad hoc Committee of Three (q.v.)), by whom all outstanding questions to be settled 78, 284-285

text, when finally settled by Executive Committee (replaced under a later decision by an ad hoc Committee of Three) to be published as soon as possible by the International Trust for Zoological Nomenclature F 78, 342

German, Italian and Spanish translations to be prepared for publication as soon as possible after the publication of the French/English edition .. “yk i is 78

Editorial Committee of Three substituted for the Executive Committee as the body by which comments on the texts received from the jurists received from Commissioners and Alternate Commissioners to be examined and by which the text to be finally

settled .. aa Xe oe hs ab a6 a a dss bs 284, 286 Editorial Committee of Three, composition of, prescribed. . As ra bes 629-630

zoologists recommended to guide themselves by the Official Record of Proceedings pending the formal promulgation of the revised text of the Régles ; Reégles, as

revised by Paris Congress, to enter into force immediately upon publication. . 342

rejected and invalid names (generic and trivial), introducticn of “* Official Indexes for recording of, see ** Official Index of Rejected and Invalid Generic Names in Zoology and Official Index of Rejected and Invalid Specific Trivial Names in Zoology

religious offence, introduction of a new Article to prevent misuse of the Réegles for purpose of causing, see Reégles, etc., New Article (7).

Remora Forster, 1771, declared non-existant under the Régles; placed on the.‘‘ Official

Index of Rejected and Invalid Generic Names in Zoology oe 539

Zoological Nomenclature 747

Page Remora Gill, 1862, placed on the Official List of Generic Names in emcees 8 * (type species, by absolute tautonomy : Echeneis remora Linnaeus, 1758). . é ais es 5939 Remora Gouan, 1770, declared non-existent under the Régles; placed on the Official Index of Rejected and Invalid Generic Names in Zoology a he a .. 639 remora Linnaeus, 1758 (as published in the binominal combination Hcheneis remora) placed on the Official List of Specific Trivial Names in Zoology “ic ae .. 539 Report by the International Commission on Zoological Nomenclature to the Thirteenth International Congress of Zoology on work performed during the Congress : arrangements for preparation of 4 she ae as << oe ar 277-278 detailed examination of draft of, jointly with the Section on Nomenclature .. 283-287 amendment of draft in certain respects i ay: a =i ic ase 285-287 unanimous adoption of draft, as amended in discussion, to be the Report of the Com- mission to the Congress a ch oe He as St * St at ad Secretary to the Commission requested to sign the Report, as adopted, and to submit it forthwith to the Section on Nomenclature for adoption and approval, subject to the understanding that such changes, if any, as the Commission might wish to make in the light of further work performed before the close of its last meeting in Paris should be made therein, on the concurrence of the Section on Nomenclature being obtained a big a ee a 3_ 3s ee an ake 287-288

supplementary points on, submitted to the Section on Nomenclature 423-424, 559, 564, 566, 591, 625, 628, 630, 630-631

Retiolites Barrande, 1850, validated under the plenary powers with Gladiolites geinitzianus Barrande, 1850, as type eres placed on the *‘ Official List of Generic Names in Zoology xe tb Sic ae RG AE fe oe oo eee

reviser, first, principle of, see page precedence

Rhinoceros Linnaeus, 1758, question of admission of, to ** Official List of Generic Names in

Zoology ”. to be considered 582 Rhipidophyllum Sandberger, 1889. validated under the plenary powers; placed on the

Official List of Generic Names in Z peer (type species, by monotypy ; Rhipidophyllum

vulgare Sandberger, 1889) ee SIE a ae Pe ne - sa 430 Rhopalum Stephens, 1829, application for the validation of, under the plenary powers,

deferred for further information to be obtained ae a ays 8 ae > teectlD Richter, Commissioner Rudolf, absence of, from Paris Session fe ee ae Fh 3

nomination of, to be a Member of the Class 1952 on the expiry of the term of service of the Class 1943, reservation by Commission regarding attitude towards ne da ah 13

748 Bulletin of

I Page Richter, Commissioner Rudolf, etc. (continued). decision not to confirm nomination of, to Class 1952, in order to provide German zoolo- gists with a fresh opportunity of expressing their wishes as to their representation on the Commission pooneaes =e the political and other changes resulting from the close of the war zi : ws nA 7 on BS x x 2 Lake Riley. Mr. N. D., appointment of, as an Alternate Commissioner vice Commissioner W.T. Calman .. mC oe ars ate Bs we ev ae ae ric 4

attendance by, at Meetings of the Commission 6, 37, 62, 83. 107, 190, 230, 239, 272, 280, 306, 354, 425, 649

approval by, of Minutes of Paris Meetings .. 24 a hs ae se sot RW?

te

Rode, Commisioner Paul, in attendance at Paris Session

election of. in post-war period, as a Commissioner vice Commissioner T. Jaczewski (membership vacated) ns “oe p sf os re oe Le Bs 16

apology received from, at being detained by duties as an Officer of a Section of the Congress wi a Ee ve os : ae

death of, prior to circulation of draft Minutes ee ae ve BS a: xiii

te

Rosmarus Briinnich, 1771, Secretary to submit Report on .. a ae te .. she

Rottenburg (von), 1775, Anmerkungen zu den Hufnagelischen Tabellen der Schmetterlinge (in Vol. 6 of Naturforscher); relative priority to be accorded to, see Cramer, 1775 * Uitlandsche Kapellen.

Royal Society of London, grant by, to assist publication of new edition of the Régles = 78

rufa Linnaeus, 1758 (as published in the binominal combination Formica aa =i on the Official List of Specific Trivial Names in Zoology ais ; 410

Russell, Miss Louise, attendance by, at public meetings of the Commission 230, 272, 280, 306, 354

Rusticus Hiibner, [1806], an invalid ‘‘ Tentamen name, a on the * Official Index of Rejected and Invalid Generic Names in Zoology” .. - , “ee 494, 495

Salda Fabricius, 1803, Cimez litioralis Linnaeus, 1 heualic designated under the plenary powers to be the type species of. . A es se ay ne pa .. 468

placed on the ** Official List of Generic Names in Zoology ”’. . a < ot -.. 469 Sammlung exotischer Schmetterlinge, terms intermediate between generic and_ specific

trivial names cited on the legends to pee in volume | of, not of subgeneric status on

that account .. Ae ee é a ee < ore Me Re oe ©=—- 8) Sand Crab, Opinion 13., relating to trivial name of. cancelled . . wd am me Seeley

procedure to be adopted for determining correct name of, agreed upon .. Ag 208 679

Zoological Nomenclature 749 Page scalaris Linnaeus, 1768 (as published in the binominal combination Graptolithus scalaris) suppressed under the plenary powers for purposes of Article 25 but not for those of Article 35 ; placed on the * Official Index of Rejected and Invalid Specific Trivial Names in Zoology es Ne ihe ate Me ite aie as wen odd Schiffermiiller & Denis, 1775, Ankiindigung eines Rh aiaee cia Werkes von den Schmetter- lingen der Wiener Gegend (published anonymously), relative priority to be accorded to, see Cramer, 1775, Uitlandsche Kapellen. Schistosoma Weinland, 1858, validation of, under the plenary powers, and position of, on the Official List of Generic Names in Zoology confirmed ? ae 3 322 Schizaster Agassiz (L.), [1836], Schizaster studeri Agassiz (L. ) 1840 Ripeia oaks under the plenary powers to be the type species of ¢ 527 placed on the Official List of Generic Names in Zoology 528 schmidti Rohon, 1892, T’remataspis, designated under the plenary powers to be the type species of Tremataspis Schmidt, 1866 ; a pen on the ** Official List of Specific Trivial Names in Zoology Fe bs aS as ms .. 435 Schwagerina von Moller, 1877 (type species, by monotypy: Borealis princeps Ehrenberg, 1842) ; placed on the Official List of Generic Names in Zoology 0 -. 464 sclerites, see organites Scopolax Linnaeus, 1758, question of admission of, to ** Official List of Generic Names in Zoology ”’, to be considered 582 secondary homonyms, see homonymy Secretariat of the Commission, Report on, see Commission, International, on Zoological Nomenclature, Section (k) Secretary to International Commission on Zoological Nomenclature invited to confer with specialists and submit Reports on following matters :— (a) General questions. Article 31, clarification of certain aspects of 502 Classes, Orders and other categories above family level, question of introducing rules for naming of .. a ve Ae ye sa Si ate oa 385-386 emendation of names, question of clarifying Article 19 . 14] families fichadiae superfamilies), and subfamilies, clarification of rules relating to nomenclature of, and question of introducing rules for naming of tribes oe aC 8 oa it a atc Fic 138, 244, 245, 273, 402 neotype, question of recognition of, as a category of type specimen .. ee 192-193 stabilisation of nomenclature (with reference, inter alia, to proposed pie: apes in the Régles of a Law of Prescription) .. ars eo a : 232-234

type species of a nominal genus, the name of which was first published in a generic

synonymy a sis os od i is ate oa si 351-352

750 Bulletin of Page secretary to LC.Z.N.. ete. (continued). (6) Questions relating to particular cases. Acmea Hartmann, 1821 and T’runcatella Risso, 1826, relative future status of .. 392 Ammonia Briinnich, 1771, status of es ae Be od as ne ig ibtenliss annulatum Dschunkowsky & Luhs, Piroplasma, date of publication of .. .. 433 Brisson, 1762, Regnum animale (ed. 2), status of namesin .. ar ts 313-314 Chinchilla Bennett, 1829, type species of 4 i * oe Bs 440-441 Colymbus Linnaeus, 1758, type species of ays ae ae re ae = 632 Dama Zimmermann, 1780, and Dama virginiana Zimmermann, 1780, future status to be accorded to -s ae a a ee ne sh es apn! Pchinocrinus Agassiz, 1841, and Archaeocidaris M’Coy, 1841, spas of tee suppression of the former name and validation of the latter we 516 Encrinus Schultze, 1760, arrangements to be made for i ana of auECnHDS relating to, by a specialist in Crinoids ee xe : 5 old Jasciata Poiret, 1789 (as published in binominal combination hie hagas future status of . oe Ee ots Fie sie =e Oe generic names, of which status discussed in Opinion 16 but left undecided, question of addition of, to ‘* Official List of Generic Names in Zoology é * 581-583 Geoffroy, 1762, Hist. abrég. Ins. Env. stone ait ici of valeeee certain nore names as published in bi -- 368 geoffroyi Leach, 1817, Coriza, question whether oldest available name for species in question AY a eh de $e Si ate es Pee ah!) Lepidoptera, relative priority to be assigned to certain books and aie apa: in 1775 containing names of new taxonomic units in : 459 Limulus Miller, 1785, question of validation of at a3 #3 5 pols Lovenechinus Jackson, 1912, proposed use of plenary powers for .. bs a5, ole Manatus Briimnich, 1771, status of ~~ ee ae rs Sn a en ee Naucoris Geoffroy, 1762, question of validation of a a e Fe “3 ORG Oken, 1815-1816, Lehrbuch der Naturgeschichte, status of names in, and practice in regard thereto .. - a 3 Pa: ihe 3 fe a .. 366 Orthoceros Briinnich, 1771, status of .. 2% eG ac sie 2s Pac | Petalifera Gray, 1847, and At meals ee 1872, future relative status to be accorded to 5 1 : 389 Pholidocidaris Meek & Worthen, 1869, proposed use of the plenary powers for .. 513 Pleuronectes Linnaeus, 1758, type species of .. Me ve aie fe neo punctata Cuvier, 1803 (as published in the binominal combination itiiaintt ss [sic] punctata), future status of ss i aft 304

Rosmarus Briinnich, W771, status of ne oe a = 4 x rit ole

=

el

Zoological Nomenclature 751 Pag? Secretary to I.C.Z.N., ete. (continued). (6) Questions relating to particular cases (continued). Sand Crab, question of trivial name for, acceptance of which would cause least inter- ference with existing nomenclatorial practice 579 Sparus Linnaeus, 1758, type species of 337 “Tentamen *’ pamphlet issued by Hiibner (J.) in 1806, question of the generic names properly applicable to the species cited therein ; : 496 (c) Administrative tasks to be undertaken by Secretary in relation to decisions taken on earlier occasions r construction of Schedules to which to be transferred all names on which decisions taken in Opinions already rendered .. 340 insertion of full bibliographical references for all names to be transferred to Schedules prior to such transfer us a a Be ot ie 340-341 submission of Reports on names available under the Régles in all cases where, in Opinions already rendered, the use of the plenary powers has been refused 332 preparation of Reports on all cases where a decision in an Opinion deals with part only of problem submitted Sr 395 Secretary-General, Thirteenth International Congress of Zoology, vote of thanks by Commission to, for arrangements made for meetings of the Commission 647 Segal, M. J., attendance by, at public meetings of the Commission 272 select and selection ’’, expressions, in re'ation to Article 30, to be used in a uniform sense “4 a 179 Sepia Schneider, 1784, declared to be a cheironym possessing no status under the Régles .. 589 placed on the Official Index of Rejected and Invalid Generic Names in Zoology ° 590 sepia Schneider, 1784 (as published in the binominal combination bias ia acai) SURETeEseet under the plenary powers 3 os ; 53838 placed on the Official Index of Reiected and Invalid Specific Trivial Names in Zoology” 590 Sepiolu Schneider, 1784, declared to be a cheironym possessing no status under the Rvgles 58) placed on the Official Index of Rejected and Invalid Generic Names in Zoology 590 setosa Leske, 1778 (as published in the binominal combination Echinometra ny ae on the Official List of Specific Trivial Names in Zoology . 385 sexdecimanae Lewkowicz, 1897 (as published in connection with the generic name Haemosporidium) declared to be a technical designation and not a trivial name . . 617 placed on the “* Official Index of Rejected and Invalid Specific Trivial Names in Zoology” 622

Shorey, Miss J. H., in attendance as Acting Documents Officer 6, 37, 62, 83, 107, 190, 230, 239, 272

752 Bulletin of Page Silvestri, Commissioner Filippo, resignation of, reported 15 Siphonophora Koch, 1855, not invalidated as a generic name by reason of the previous publication of this word as an Ordinal Name (Siphonophora Eschscholtz, 1829) . . 164 Smithsonian Institution, Washington, D.C., vote of thanks by Commission to, for invitation to Secretary to Commission to visit Washington and other North American centres, for purpose of discussing problems of nomenclature to be considered at Paris Session of Commission Ae 31 Solenius, Lepeletier & Brullé, 1835, application for the designation, under the plenary powers, of Crabro continwus Fabricius, [1804-1805], as type species of, deferred for further infermation to be obtained... Se ae ai ave ef a .. 415 solium Linnaeus, 1758, T'aenia, designated under the plenary powers to be the type species of Taenia Linnaeus, 1758; placed on the Official List of Specific Trivial Names in Zoology : Ae a5 at We as a ie a le 32) 086 sophorae Linnaeus, 1758 (as published in the binominal combination Papilio sophorae) placed on the ‘* Official List of Specific Trivial Names in Zoology 458 Sparck, R., appointment of, as an Alternate Commissioner vice Commissioner Th. Mortensen 4 nomination of, to be a Member of the Commission vice Commissioner Th. Mortensen (resigned) as from close of Paris Congress and proposed assignment to the Class 1958 1g nomination of, to be a Member of the Commission as from the close of the Paris Congress on abolition of the system of 9-year Classes in the membership of the Commission and consequent reversal of decision to establish a Class 1956 . . 46 request to be excused from acceptance of nomination as a Member of the Commission, in view of pressure of other urgent work, acceptance by Commission of .. 282 attendance by, at Meetings of the Commission ore be .. 6, 83, 107, 230, 280, 649 approval by, of Minutes of Paris Meetings xiv Sparus Linnaeus, 1758, type species of, to be determined as soon as possible and Opinion 69 thereupon to be cancelled me a ie ore 3e 45 oO Spatangus Leske, 1778, suppressed under the plenary powers. . 526

placed on the Official Index of Rejected and Invalid Generic Names in Zoology” 526, 528

Spatangus Modeer, 1793, suppressed under the plenary powers

526

placed on the “‘ Official Index of Rejected and Invalid Generic Names in Zoology 526, 528

Spatangus, as used by any other author prior to the publication of Spatangus Gray, 1825, suppressed under the plenary powers. . A ae a0 ae So 56 ore

526

placed on the Official Index of Rejected and Invalid Generic Names in Zoology 526, 528

Zoological Nomenclature 753

Page Spatangus Gray, 1825, validated under the plenary powers, and Spatagus purpureus Miller (O.F.) similarly designated as type species .. 7 eae cig 526, 527 placed on the Official List of Generic Names in Zoology”... Be 4c --. 9528 specialist groups, development of co-operation by Commission with, during pened 1936-48, Report by Secretary on as af 2 ‘ie se ae - ie .. 25-27 ** specific name ”’, expression defined .. sr ets ve oe oe i. wy del27 specific trivial name ’’, expression introduced and defined . . ig ay ig a el28 Specimen Zoologiae geographicae, Quadripedum Domicilia et Migrationes sistens, 1777, by Zimmermann (A. E. W. von), declared unavailable for nomenclatorial purposes .. 547 Spilothyrus Duponchel, 1835 (type species, by designation under the plenary powers : Papilio alceae Esper [1780]) ee on the ‘‘ Official Index of Rejected and Invalid Generic Names in Zoology” .. ; : sik ees iz ae Se .. 484 stabilisation of zoological nomenclature, means for securing, to be the eae ofa ee by the Secretary ale ss a a is ? 231-234 Stejneger, Commissioner Leonhard, death of, reported; adoption by Commission of Resolution of regret at death of ss np ae as * Se - fe 9 Sterna Linnaeus, 1758, question of admission of, to ‘‘ Official List of Generic Names in Zoology to be considered... ae ee as ae Fre ne on eau 582 Stiles, Vice-President Charles Wardell, election of, to Class 1946, on eon of term of service of Class 1937... ci By : ss AF : 10 election of, in 1939 to newly-created Office of Vice-President; death of, reported ; adoption by Commission of Resolution of regret at death of .. x = ie 9 Stoll, Commissioner Norman R., absence of, from Paris Session... as i! =f 3 election of, in war period as a Commissioner vice Vice-President C. W. Stiles (deceased) 16 appointment of, to Class 1955 on expiry of term of service of Class 1946. Be a6 13 Stone, Commissioner Witmer, death of, reported ; adoption by Commission of Resolutién of regret at death of .. aes a fs Die aie sa $3 3h a 9 Straelen, Professor Victor van, appointment of, as an Alternate Commissioner vice Com- missioner Rudolf Richter 4 7 ans a} ar i sic Be 4 attendance by, at Meetings of the Commission Sie i 6, 37, 62, 83, 107, 190, 230,

239, 272, 280, 649 nomination of, to be a member of Editorial Committee of three, charged with the duty of supervising the eretetion of the text of the Régles as revised by the Paris Congress ae An nA af ie Sa ae a av sae, 5.000

approval by, of Minutes of Paris Meetings .. Ns “it We oc ne Soe) GX1V,

754 Bulletin of

Page striatus Emmons, 1842 (as published in the binominal combination Maclurea striatus) placed on the ‘* Official List of Specific Trivial Names in Zoology ae oe «aS strichnocera Fieber, 1844, Dictyonota, designated under the plenary powers to be the type species of Dictyonota Curtis, 1827; placed on the Official List of Specific Trivial Names in Zoology” .. Se Senet iat a a rie 45 .. 474 Strix Linnaeus, 1758, question of admission of, to ‘‘ Official List of Generic Names in Zoology * to be considered... on =e ae oe BA a me ». 582 Stromateus Linnaeus, 1758, question of admission of, to ‘‘ Official List of Generic Names in Zoology to be considered . . 582 Strongylocentrotus Brandt, 1835, validated as of subgenerie status as from the date of being so published, under the plenary powers, in so far as necessary, and Hchinus drobachiensis Miller (O.F.) 1776 designated under the plenary powers as type apeg ies ; placed on the Official Ligt of Generic Names in Zoology Ps5 ae A - oe ot Fb2T struthoides Owen, 1844 (as published in the binominal combination Dinornis struthoides) placed on the Official List of Specific Trivial Names in Zoology ”.. : vw) pao studeri Agassiz (L.), 1840, Schizaster, designated under the plenary as ers to be the ty ae species of Schizaster Agassiz (L.) [1836] ast “iA ae : ue : ; ond placed on the “* Official List of Specific Trivial Names in Zoology by th .. 528 Subfamilies, rules for governing nomenclature of, to be examined by Secretary in Report on rules for family names “e5 ay ah si te Ba a ais jam el subgeneric names in relation to specific homonymy, see Reégles, etc., Article 2 Sub-Orders, rules governing nomenclature of, question of introducing into the Régles, to be examined by the Secretary of: oe a8 ie ae ie a 385-386 subspecific name ”’, expression defined of ats ues - A aie ee 127 ** subspecific trivial name”, expression introduced and defined BE 4 es 128-129 Superfamilies, rules for governing nomenclature of, to be examined by Secretary in Report on rules for family names ns ee > aa se e Me sn ve 17 188 syntype ”, expression to be introduced and defined ae aie a at 185-186

Systematisch-alphabetisches Verzeichniss of Hiibner (J.), terms intermediate between generic and specific trivial names cited in, not of subgeneric status on that account .. 290

Tachys Stephens, 1828, application for the designation, under the plenary powers, of Tachys scutellaris Stephens, 1828, as type species of, deferred for further information tobeobtained .. By ar of Ws Le oy a = a 447,448

Zoological Nomenclature

Taenia Linnaeus, 1758, Taenia solium Linnaeus, 1758, designated under the plenary powers to be the type species of ; validation of erroneous entry in ‘* Official List of Generic Names in Zoology (Opinion 92)

Tapirus, generic name, first published in Briinnich, 1771, Zoologiae Fundamenta, if Brisson, 1762, Regnum animale (ed. 2) found to be not av ailable

tardus Herbst, 1779 (as published in the binominal combination Dytiscus aka Brae on the ‘‘ Official List of Specific Trivial Names in Zoology ae : we

lectus Boieldieu, 1856 (as published in the binominal combination Ptinus tectus) aneeiion of species to which applicable to be considered

Teleosteus Volger, 1860, suppressed under the plenary powers; placed on the * Official Index of Rejected and Invalid Generic Names in Zoology ~ Fe

* Tentamen ”, see Hiibner (J.).

terrestris Linnaeus, 1758 (as published in the binominal combination Apis Retreat 4 placed on the Official List of Specific Trivial Names in Zoology a :

tertiana Labbé, 1894 (as published asa subspecific trivial name in the trinominal combination Haemamoeba laverani var. tertiana) a subjective junior synonym of Haemamoeba vivax Grassi & Feletti, 1890 .. a ay ae

tertianae Celli & Sanfelice, 1891 (as published in connection with the binominal combination Plasmodium malariae) declared to be a technical designation and not a trivial name placed on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology

lertianae Kruse, 1892 (as published in connection with the binominal combination Plasmodium malariae) declared to be a technical designation and not a trivial name placed on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology

tertianae Lewkowicz, 1897 (as published in connection with the generic name H pieiee ieee um) declared to be a technical designation and not a trivial name : : Ac placed on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology

Tethys, as a generic name published by any author subsequent to Linnaeus, 1758, and prior to Linnaeus, 1767, suppression of, under the plenary powers me a

Tethys Linnaeus, 1758, suppression of, under the plenary powers

Tethys Linnaeus, 1767, validated under the plenary powers and Tethys fimbria Linnaeus, 1767, similarly designated as its type species . . a - bs Bi oe is

placed on the Official List of Generic Names in Zoology Tetyra Fabricius, 1803, Cimex antillarum Kirkaldy, 1909, designated under the plenary

powers to be the type cpa of ; eee on the ~ Official List of Generic Names in Zoology a SN Si atte ae a a: a5

755 Page

586 314 461 501

430

407

618

617 623

303 303

474

756 Bulletin of

Page Tetrao Linnaeus, 1758, question of admission of. to Official List of Generic Names in Zoology” to be considered .. ae oh ae he te we =i es hoe Teuthis Schneider, 1784, declared to be a cheironym possessing no status under the Régles .. 3 aye as iz rs = ba rg sg hs 2 Lasape placed on the “* Official Index of Rejected and Invalid Generic Names in Zoology” .. 590 teuthis Schneider, 1784 (as published in the binominal combination Octopodia teuthis) suppressed under the plenary powers oi we ae Bie ae cf ‘2 DSS placed on the Official Index of Rejected and Invalid Specific Trivial Names in Zoology : xe Ga Si ba a we re Xt se =<», 590 thalia Linnaeus, 1758, Papilio designated under the plenary powers to be the type species of Actinote Hiibner [1819] . . . $5 a dhs ah x3 oC ss seed OOd: placed on the “‘ Official List of Specific Trivial Names in Zoology”... ie “8 “ig ides Thymele Fabricius, 1807 (type species, by selection by Westwood, 1840: Papilio tages Linnaeus, 1758 ; placed on the Official Index of Rejected and Invalid Generic Names in Zoology as - of ai io als - af be. dfeae 458 Thymele [Mliger], 1807, suppressed under the plenary powers; placed on the Official Index of Rejected and Invalid Generic Names in Zoology”’.. as oye cA =x) S4o6 Tomoceras Nicolet, 1842, Macrotoma minor Lubbock, 1862, designated under the plenary powers to be the type species of .. a%e a ne 2 Ey 43 satel OO placed on the “* Official List of Generic Names in Zoology ”’. . Be Cs ne 2a 500% Tonna Brinnich, 1771 (type species, by selection by Suter, 1913 : Buccinuwm galea Linnaeus, 1758), placed on the Official List of Generic Names in Zoology” .. at a oa LO Trechus Schellenberg, 1806, application for the designation, under the plenary powers, of Carabus quadristriatus Schrank, 1781, as type species of, deferred for further information to be obtained .. is Be re me <6 pas ek ee oa 447,448 Tractatus physicus de petrificatis, 1758, see Gesner (J 2): Tremataspis Schmidt, 1866, Tremataspis schmidti Rohan, 1892, designated under the plenary powers to be the type species of ; placed on the Official List of Generic Names in Zoology” .. +e ae ce ar id ba Be Fr fs a. 435 Trewavas, Dr. Ethelwynn, attendance by, at public meetings of the Commission. . 306,354 Tribes, rules for governing naming of, to be examined by Secretary in Report on rules for family names > ne “ie at 23 ie oe < a ‘138 Tringa Linnaeus, 1758, question of admission of, to Official List of Generic Names in Zoology” to be considered... Ae os 5 = ; 582

ristis Van der Linden, 1829, Pemphridon, see Diodontus Curtis, 1834,

Zoological Nomenclature 757

Page trivial names, capital initial letters not to be used for, see Régles, etc., Article 13.

trivial names consisting of adjectives, method to be used for determining correct termina- tion to be used according to the gender of the generic name with which it is in agreement 248-249

trivial names differing from one another solely by reason of fact that second portion of name consists, in the one case of a word in noun form and, in the other, of the same word in adjectival form, no need to make special provision for, under the Law of Homonymy, having regard to decision that list of differences in epeling2 now to be inserted therein to be an exhaustive list .. _ 242

trivial names, establishment of Official List for, see “‘ Official List of Specific Trivial Names in Zoology ”’.

True Chinchilla of Chile (Chinchilla velligera Prell, 1934) see Chinchilla Bennett, 1829. tropica Koch, 1899, Plasmodium, declared to be a cheironym Ae Fe As a<. , (1S placed on the Official Index of eerie and Invalid i. Trivial Names in Zoo- logy Hs 623 type species of a genus, term to be used for, see Régles, Article 30, general provisions.

type specimens, terminology to be applied to .. Ar an ts Ss Es 184-188

type specimen of a species or io aa criteria to be de ioe in Saito “gpa Oe of, see Régles, etc., Article 31 2

uddeni Beede & Kniker, 1924 (as published in the binominal combination Schwagerina uddeni) placed on the Official List of Specific Trivial Nameg in Zoology ote tot AGE

undecimanae Lewkowicz, 1897 (as published in connection with the ay name Haemo-

sporidium) declared to be a technical designation and not a trivial name. Ae ss GL T placed on the ‘‘ Official Index of bes eine and Invalid sae Trivial Names in Zoo-

logy 623

U.N.E.S.C.O., vote of thanks to, by the Commission for grant of financial assistance I~ 32

funds provided by, available to assist publication of the revised text of the Régles .. 78

unicolor Leske, 1778, Spatangus brissus var., ih ae under the es bisa: to be the

type species of Brissus Gray, 1825 .. : 527 placed on the “‘ Official List of Specific Trivial Names in Zoology ay =: sidan eo

Upupa Linnaeus, 1758, question of admission of, to Official List of Generic Names in Zoology” to be considered ., 582

758 Bulletin of

Page

Urania Fabricius, 1807, validated under the plenary powers oe a oe .. 456 placed on the Official List of Generic Names in Zoology (type species selected by

Latreille, 1810: Papilio leilus Linnaeus) . . re we a ore Re TM Abe oldest available name for type species of, to be placed on “‘ Official List of Specific Trivial

Names in Zoology when determined... ie 3 a as vat 859) Urania [Iliger], 1807, suppressed under the plenary powers: placed on the Official

Index of Rejected and Invalid Generic Names in Zoology AS Pie a .. 456

Urbanus Hiibner, [1806], an invalid Tentamen name, placed on the Official Index of Rejected and Invalid Generic Names in Zoology ie Sa its Ph 494, 495

Usinger, Professor Robert L., appointment of, as an Alternate Commissioner vice Com- missioner Harold E. Vokes’. . ae Js ee via at iis ed Fe 4

attendance by, at Meetings of the Commission 6, 37, 62, 83, 107, 190, 230, 239, 272, 280, 306, 354, 425, 649

nomination of, to be a member of the Editorial Committee of three charged with the duty of supervising the preparation of the text of the Régles as revised by the Paris

Congress 630 approval by, of Minutes of Paris Meetings .. Ae s Ar ot ee Pie eh “valid name,” expression defined (see also “‘ available name”). . ee ie Bee Peels Valle, Signor Antonio, attendance by. at public meetings of the Commission ots =. | 280 varieties (below subspecific level), introduction of rules governing naming of, see Régles, ete., New Article (1) velligera Prell, 1934, Chinchilla, see Chinchilla Bennett, 1829 Venus Linnaeus, 1758, Venus verrucosa Linnaeus, 1758, designated under the plenary powers to be the type species of; placed on the * Official List of Generic Names in Zoology ite ae oa 8 on =f “te ae es oe ... 304 verrucosa Linnaeus, 1758, Venus, designated under plenary powers to be the type species of Venus Linnaeus, 1758 AY Ens ae an #3 % ae ce on pee placed on the Official List of Specific Trivial Names on Zoology ae as Jet 2e80b vigesimotertianae Lewkowicz, 1897 (as published in connection. with. the generic name Haemosporidium) declared to be a technical designation and not a trivial name. . oo Gg placed on ‘the Official Index of Rejected and Invalid Specific Trivial Names in Zoo- logy” .. a sh ae rie ae ie x be 2 vs) O8e

EE ——— lll

Zoological Nomenclature

759

Page virginiana Zimmermann, 1780 (as published in the binominal combination Dama vir- giniana) available under the Régles: question of future status of, to be examined by Secretary, in consultation with interested specialists 551 vivax Grassi & Feletti, 1890 (as published in the binominal combination Haemamoeba vivax) declared to be the oldest available name for the Benign Tertian Malaria Parasite 618 placed on the * Official List of Specific Trivial Names in Zoology 620 Vokes, Commissioner Harold E., absence of, from Paris Session 3 election of, in war period, as a Commissioner vice Commissioner I. Stejneger (deceased) 16 vomiltoria Linnaeus, 1758 (as published in the binominal combination Musca vomitoria) placed on the Official List of Specific Trivial Names in Zoology 356 vulgaris Cuvier, [1797] (as published in the binominal combination Octopus vulgaris) placed on the *‘ Official List of Specifie Trivial Names in Zoology ae “e mm a90 vulgare Sandberger, 1889 (as published in the binominal combination Rhipidophyllum vulgare) validated under the plenary Eee ; placed on the Official List of Specific Trivial Names in Zoology : =f “ee tae ae S -. 430 vulgaris Schmeil, 1897 (as published in the binominal combination Diaptomus ay validated under the plenary powers : : dn ae : 376 placed on the * Official List of Specific Trivial Names in Zoology 377 Vultur Linnaeus, 1758, question of admission of, to ‘‘ Official List of Generic Names in Zoology to be considered 582 Wenyon, C. M., thanked by the Commission for assistance given in searching the literature to determine the first publication of the name Piroplasma annulatum commonly attributed to Dschankowsky & Luhs .. Ps ad 433 Winckworth, Mr. R., attendance by, at public meetings of the Commission 6, 62, 280, 306

Xiphosura Briinnich, 1771, Secretary to submit Report on, with reference to Limulus

Stes Pat ee Aa” ne Se Are Epil Ath ODEN

760 Bulletin of Zoological Nomenclature

Zimmermann (A. E. W. von), re iene 1777, declared unavailable for nomen- clatorial purposes : ve

Geographische Geschichte, 1778-1783, declared available for nomenclatorial purposes ..

Zoological Record,” see literature-recording serials.

Zoographia rosso-asiatica of Pallas Pe) dates of publication of the several volumes determined ec ae : oft 3 43

Zoophylacium Gronovianum of Gronovius lier Meuschen’s index o declared to be unavailable for nomenclatorial purposes . . :

Z.N.(S.) Files, applications contained in, to be examined in turn

decisions taken on applications contained in, to be reported to section on Nomenclature

Page 547 548

403

504

475 559

Particulars of dates of publication of the several Parts in which the present Volume was published

Part No. Contents of Part Date of Publication 1/3 T.P.—l, 1—62 21st April 1950 4/6 63—158 25th May 1950 7/9 159—254 25th May 1950

10/12 255—350 9th June 1950 13/15 351—446 9th June 1950 16/18 447—542 9th June 1950 19/21 543—652 9th June 1950 22/24 653—760

FURCHABED 24NOV 1950

~

BULLETIN OF ZOOLOGICAL NOMENCLATURE ry VoLtume 4—PartTs 22/24 wey MI On last page 760 bottom right Bia aa hand corner, date of publication should read : he

29th November, 1950.

THANKS TO U.N.ES.C.O.

The International Trust for Zoological Nomenclature, on behalf of the International Commission on Zoological Nomenclature, have great pleasure in expressing their grateful thanks to the UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANISATION (U.N.E.S.C.O.) for the financial assistance afforded towards the cost of producing the present volume.

BULLETIN OF ZOOLOGICAL NOMENCLATURE

Notice to subscribers regarding the arrangements made for the completion of volume 1 and for the publication of volumes 2, 3, 4 and 5

The following arrangements have been made for completing volume 1 of the Bulletin of Zoological Nomenclature and for the publication of volumes 2, 3, 4and 5 :—

Volume 1: A concluding Part (Part 12), containing, inter alia, the Title Page, Table of Contents, and alphabetical subject index, will be published shortly.

Volume 2: This volume, like Volume 1, will be devoted to the publica- tion of applications in regard to nomenclatorial problems submitted by specialists to the International Commission on Zoological Nomen- clature for decision. Publication will commence at an early date.

Volume 3: This volume, which is now complete in 9 Parts, is devoted to the publication of the memoranda, reports and other docu- ments considered by the International Commission on Zoological Nomenclature and by the Section on Nomenclature of the Thirteenth International Congress of Zoology at their meetings held in Paris in July 1948.

Volume 4: This volume, which is now complete in 24 Parts, is devoted to the publication of the Official Record of Proceedings of the International Commission on Zoological Nomenclature at its Session held in Paris in July 1948.

Volume 5: At the request of the Bureau of the Thirteenth International Congress of Zoology, this volume has been devoted to the publication of the Official Record of Proceedings of the Section on Nomenclature of the Thirteenth International Congress of Zoology, Paris, Fuly 1948, together with the Reports submitted to the Congress by the Inter- national Commission on Zoological Nomenclature and the Section on Nomenclature. Parts !-6 have already been published. The remaining Parts will be published at an early date.

INQUIRIES

All inquiries regarding publications should be addressed to the International Trust for Zoological Nomenclature, and all inquiries regarding the scientific work of the Commission to the Secretary to the Commission at the following addresses :—

International Trust for Zoological Nomenclature: 41, Queen’s Gate,

London, S.W.7, England.

International Commission on Zoological Nomenclature : Secretariat of the Commission, 28 Park Village East, Regent’s Park, London, N.W.1, England.

Printed in Great Britain by Metcuim Axp Son, Ltp., Westminster, London

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