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THE

PROSOBRANCHIA OF THE SIBOGA EXPEDITION

PART V

TOXOGLOSSA

Siboga-Exp editie

XLIX'e

THE PROSOBRANCHIA OF THE SIBOGA

EXPEDITION

BY

M. M. SCHEPMAN

Bosch en Duin near Utrecht (Holland)

PART V

TOXOGLOSSA

With 6 plates and 1 textfigure

>§>&<§>$-=§■=

late E. J. BRILL

PUBLISHERS AND PRINTERS

LEYDEN — I Q I 3

PART V

TOXOGLOSSA

WITH A SUPPLEMENT

The very interesting section of the Toxoglossa contains 228 species, of which no less
than 65 appear to be new to science, moreover to this part a small supplement to preceding
parts has been added, containing 3 new species.

The family of the Pleurotomidae, with 127 enumerated species and a few varieties, has
given me mucrr trouble, but has not given me full satisfaction, the systematic position of many
species remaining still more or less doubtful and the classification of this family much wants a
revision. I have often foliowed the arrangement of the late Prof. Boettger for the species from
the Philippines. The relatively small number of specimens dredged with the soft parts, prevented
me from examining the radular teeth, in most cases where they might have given some light.
Under these circumstances, I am very grateful to those persons who have assisted me in the
identification of critical specimens. Mr. E. A. Smith I.S.O. often compared them with the
treasures of the British Museum, Mr. J. Cosmo Melvill has given me his advice and in some
cases specimens for comparison, Mr. J. R. le Bockton Tomlin likewise assisted me by identi-
fication or loan of specimens, Mr. J. J. Verwijnex has again much obliged me by the loan of
books from the rich library of Teyler's Museum, and other persons amongst which I wish to
name Dr. R. Horst, have assisted me in several ways. I beg them all to accept my kind thanks.

In two cases I was compelled to erect new genera of Pleurotomidae, as it was impossible
to locate the species in the existing ones, though I was not at all eager to enlarge the
number of groups, as long as no revision of the whole family has been undertaken by some
person who is in particularly favorable conditions, to fulfil this much needed but very trouble-
some task.

SIBOGA-EXPEDITIE XLIXV. 48

Section Toxoglossa Troschel.

lam. Ti ki BRIDAE.

Terebra Adanson.
i. Terebra subulata Linné.

1.1NM. Syst. Nat. lul. XII. p. 1205.

RUMPH. Amb. Rariteitkamer, p. 100, PI. 30, fig. B.

KlENER. Coq. Viv. Vol. VIII, Terebra, p. 10, PI. 4, fig. 6.

KOSTER. Martini-Chemn. Conch. Cab. Ed. II, Vol. V, Terebra, p. 23, PI. 6, fig. 1.

SOWERBY. Thes. Conchyl. Vol. I, p. 151, PI. 4'- fig- 16; PI- 42, fig- 38> 39-

REEVE. Conch. Ie. Vol. XII, Terebra, fig. 22.

TRYON. Man of Conch. Vol. VU, p. 10, PI. 1, fig. 3.

Stat. 240. Banda. 9—45 M- Black sand, coral, Lithothamnion. 1 Spec.
Stat. 279. Roma. Reef. i Spec.

2. Terebra ntuscaria Lamarck.

LAMARCK. An. s. vert. Ed. II, Vol. X, p. 241.

KlENER. Coq. Viv. Vol. VIII, Terebra, p. 9, PI. 3, fig. 4. 4«-

KI STER. Martini-Chemn. Conch. Cab. Ed. II. Vol. V, Terebra, p. 4, PI. 2, fig. 8.

SOWERBY. Thes. Conchyl. Vol. I, p. 154. PI- 4', fig- W> 20; P1- 42, fig- 4>-

REEVE. Conch. Ie. Vol. XII, Terebra, fig. 9.

TRYON. Man. of Conch. Vol. VU, p. 9, PI. 1, fig. 12.

Stat. 91. Muaras reef, East coast of Bornco. Up to 54 M. Hard coral, sand. 1 Spec.
Stat. 240. Banda. 9 — 45 M. Black sand, coral, Lithothamnion. 1 Spec.
Stat. ? I Spec.

The specimen from Stat. 91 is very young (about 15 Mill.) and bleached, consequently
scarcely recognizable.

3. Terebra dimidiata Linné,

Linné. Syst. Nat. Ed. X. p. 742, Xn 420.

KlENER. Coq. Viv. Vol. VIII. Terebra. p. 6, PI. 2. fig. 2.

Martini-Chemn. Conch. Cal.. Ed. II. Vol. V, Terebra, p. 7, PI. 1, fig. S, PI. 4, fig. 2, 3.
Thes. Conchyl. Vol. I. p. 153. PI- 4'. fig- 7- 8-
Rl 1.1. Conch. Ie. Vol. XII, Terebra, fig. 27.

Man. of Conch. Vol. VII, p. 9. 1M- '• fig- '3-

367

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 2 Spec.

Stat. 240. Banda. 9 — 45 M. Black sand, coral, Lithothamnion. 2 Spec.

Stat. ? 2 Spec.

4. Terebra ocitlata Lamarck.

Lamarck. An. s. vert. Ed. II, Vol. X, p. 242.

RUMPH. Amb. Rariteitkamer, p. 100, PI. 30, fig. D.

KlENER. Coq. Viv. Vol. VIII, Terebra, p. 11, PI. 4, fig. 7.

KÜSTER. Martini-Chemn. Conch. Cab. Ed. II, Vol. V, Terebra, p. 13, PI. 2, fig. 9.

SOWERBY. Thes. Conchyl. Vol. I, p. 156, PI. 42, fig. 31.

Tryon. Man. of Conch. Vol. VII, p. 10, PI. 2, fig. 20.

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 2 Spec.

5. Tereöra cremt/ata Linné.

Linné. Syst. Nat. Ed. X, p. 741, N° 416.

RUMPH. Amb. Rariteitkamer, p. 100, PI. 30, fig. E.

KlENER. Coq. Viv. Vol. VIII, Terebra, p. 13, PI. 5, fig. 9.

KÜSTER. Martini-Chemn. Conch. Cab. Ed. II, Vol. V, Terebra, p. 8, PI. 1, fig. 10 ; PI. 3, fig. 7, 8.

SOWERBY. Thes. Conchyl. Vol. I, p. 153, PI. 41, fig. 18, 19; PI. 42, fig. 32.

Reeve. Conch. Ie. Vol. XII, Terebra, fig. 6.

Tryon. Man. of Conch. Vol. VII, p, 8, PI. 1, fig. 1, 2.

Stat. 78. Lumu-Lumu-shoal, Borneo-bank. Coral and coralsand. 1 Spec.
Stat. 225. Near South-point of South-Lucipara-island. Reef. 5 Spec.

The specimens belong to the type; though some of the quoted figures may represent
the var. fimbriata Desh., I have not omitted them in every case.

6. Tereöra maculata Linné.

Linné. Syst. Nat. Ed. X, p. 741, N° 415.

RUMPH. Amb. Rariteitkamer, p. 100, PI. 30, fig. A.

KlENER. Coq. Viv. Vol. VIII, Terebra, p. 4, PI. 1, fig. 1.

KÜSTER. Martini-Chemn. Conch. Cab. Ed. II, Vol. V, Terebra, p. 11, PI. A, fig. i; PI. 2,

fig- 7; PI- 3- «§• i-
SOWERBY. Thes. Conch. Vol. I, p. 150, PI. 42, fig. n.

REEVE. Conch. Ie. Vol. XII, Terebra, fig. 4.

Tryon. Man. of Conch. Vol. VII, p. 9, PI. 1, fig. 9, 10.

Stat. j8. Lumu-Lumu-shoal, Borneo-bank. Shore. 1 Spec.
Stat. 142. Laiwui, Coast of Obi Major. 23 M. Mud. 2 Spec.

This and the foregoing 5 species of Terebra, are long known forms, about which the
Siboga-specimens give no reason for observations, as they are quite typical.

7. Terebra myuros Lamarck.

Lamarck. An. s. vert. Ed. II, Vol. X, p. 247.
RUMPH. Amb. Rariteitkamer, p. 100, PI. 30, fig. H.
KlENER. Coq. Viv. Vol. VIII, Terebra, p. 40, PI. 14, fig. 34.

3

. Martini-Chemn. Conch. Cab, Ed. II. Vol. V, ["crebra, p. 20, PI. 3, fig, 2: PI. 5, 1
i • onchyl. Vol. I, p. 170, PI. 4 y [commaculata).

u I Vol. XII. r< rebra, fig. ; 1.
Man. of Conch. Vol. VII, p. 27, PI, 30.

St.it. ;i. Madura-bay. M. Fine grcy sand, 1 ind with ^lu-lls and stones. 1

inville-strait. [41 M. Fine and cuarse sand with dead
shells. 1 Spec.

The specimen from Stat. 51 is rather large, of dark colour, that from Stat. 153 is very
and bleached.

var. scabrella Lamarck.

I MARCK. 1. C. p. 247.

KlBNER. I. C. p. 41, PI. 14. fig. 34a.

KOSTER. 1. C, i>. 21, PI. ;, fig. 4.

S< IWERBY. 1. C. |>. 1~0.

TRYON. I.c. p. 27 [myoros pars).

Stat. 37. Sailus ketjil, Paternoster-islands. 27 M. and less. Coral and coralsand. 1 Spec.
Stat. 51. Madura-bay, 69 — 91 M. line grey sand, coarse sand with shells and stones. 1 Spec.

All the quoted authors agree that Lamarck has gone too far by dealing with this shell
as a separate species. The specimen from Stat. 37 is a young worn shell.

s. Terebra (Strioterebrum) nebulosa Sowerby.

SOWERBY. Tankerv. Cat. App. p. 25.

SOWERBY. Thes. Conchyl. Vol. I, p. 162, PI. 43, fig. 51.

REEVE. Conch. Ie. Vol. XII, Terebra fig. j.

TRYON. Man. of Conch. Vol. VII, p. 23, PI. 6, fig. 9.

Stat. 47. Bay of Bima, near South fort. 55 M. Mud with patches of fine coralsand. 2 Spec.

Stat. 240. Banda. 9 — 45 M. Black sand, coral. Lithothamnion. 4 Spec.

Stat. 258. 1'ual. Kei-islands. 22 M. Lithothamnion, sand and coral. 1 Spec.

Stat. 282. Between Nusa Besi and N.E.-point of Timor. 27 — 54 M. Sand, coral and Litho-
thamnion. 4 Spec.

Stat. 299. Buka- or Cyrus-bay, South coast of Rotti-island. 34 M. Mud, coral and Litho-
thamnion. 2 Spec.

Stat. 301. Pepela-bay, East coast of Rotti-island. 22 M. Mud, coral and Lithothamnion. 1 Spec.

9. Terebra (Strioterebrum) textilis Hinds.

HlNDS. Proc. Zool. Soc. Lond. 1843, p. 156.
SOWERBY. Thes. Conchyl. Vol. I, p. 177, PI. 44, fig. 73.
REEVE. Conch. Ie. Vol. XII. Terebra, fig. 130.
TRYON. Man. of Conch. Vol. VII, p. 20, PI. 5, fig. 75.

it. 313. East of Uangar Besar, Saleh-bay. Up to 36 M. Sand, coral and mud. 4 Spec.

Tl: ies is slightly variable in the number of spirals, which vary from 4 to 7, but

in otl pects; the largest i-^ smaller than Reeve's figurc (line on the left) but agrees

in colour, which may be too dark in S' - monograph, where it is more brown.

4

369

io. Terebra (Strioterebrum) amocna Deshayes.

DESHAYES. Proc. Zool. Soc. Lond. 1859, p. 297.

REEVE. Conch. Ie. Vol. XII, Terebra, fig. 80.

Tryon. Man. of Conch. Vol. VII, p. 19, PI. 5, fig. 73.

Stat. 133. Lirung, Salibabu-island. Up to 36 M. Mud and hard sand. 2 Spec.

Stat. 2S2. Between Nusa Besi and N.E.-point of Timor. 27 — 54. M. Sand coral and Litho-

thamnion. 1 Spec.
Stat. 313. East of Dangar Besar, Saleh-bay. Up to 36 M. Sand, coral and mud. 1 Spec.

The specimens are more coarsely sculptured than in Reeve's figure, which was drawn
after the unique specimen, as however the Siboga-specimens are more or less variable in this
respect, I think it is unnecessary to give them a varietal name. One specimen from Stat. 3 1 3
agrees in sculpture, but is somewhat doubtful, as being in no good condition. The species has
not been described in Journal de Conchyliologie 1857, as Reeve and Tryon state, the latter
with the right page-number of Proceedings Zool. Soc. Lond.

1 1 . Terebra (Strioterebrum) fenestrata Hinds.

Hinds. Proc. Zool. Soc. Lond. 1843, P- !53-

SOWERBY. Thes. Conchyl. Vol. I, p. 176, PI. 44, fig. 86.

Reeve. Conch. Ie. Vol. XII, fig. 114.

TRYON. Man. of Conch. Vol. VII, p. 28, PI. 8, fig. 46.

Stat. 71. Makassar and surroundings. Up to 32 M. Mud, sand with mud, coral. 1 Spec.
Stat. 169. Atjatuning, West-coast of New-Guinea. 25 M. Mud. 1 Spec.
Stat. ? 1 Spec.

12. Terebra (Strioterebrum) exigtioides n. sp. PI. XXV, fig. 5.

Stat. 47. Bay of Bima, near South fort. 55 M. Mud with patches of fine coralsand. 1 Spec.

Shell small, subcylindrically subulate, dark yellowish-brown, with upper part of ribs
whitish. Upper whorls wanting, remaining whorls 7, but may have been nearly the doublé, if
one considers the subulate shape ; whorls nearly straight, only slightly convex, separated by a
deep suture, with slightly curved ribs, 18 on last whorl, divided at the upper part by a groove,
consisting of a row of conspicuous punctures between the ribs, but scarcely affecting the ribs
themselves and with 4 impressed spiral striae on each whorl, conspicuous between the ribs and
at their sides, but very weak on their crests; about 12 spiral striae on last whorl, of which S
crossed by the ribs, the interstices of the basal ones having more the character of granular lirae,
are not ribbed. Aperture elongate, angular above, with a sinus formed by the body whorl and
infrasutural belt; right margin obtuse, columellar side with a strong layer of enamel, its interior
margin with two folds, canal short, divided by an oblique rib, closely striated above and below
it. Interior of aperture smooth, brown. Basal sinus narrow.

Alt. n1/,, (may have been 19 or 20), lat. 28/4; apert. alt. 3, lat. i1/^ Mill.

This species is nearly allied to T. exigua Desh., but is much more cylindrical in shape,
moreover the subsutural belt is spirally striated in that species, quite smooth in the new one,

5

ted with other ones <>i less importance, induced me to er it as

ii the upper whorls are wanting, the shell is quite fresh.

ioterebruntj roseata Adams and Reeve.

Adams .unl Rbbvb. Moll. Voy, Samarang. p. 30, PI. 10, fig. 24.
Km och. Ie. Vol. XII. icrebra, fig. 104.

rRYON. Man. of Conch. Vol. VII, p. 21, PI. 5, fig. 90.

Stat. 104. Sulu harbour, Sulu-island. [4 M. Sand. ? Spec.
This characteristic species lias been collected at or near the original locality.

14. Terebra (Strioterebrum) Macgillivrayi Smith. PI. XXV, fig. 6.
Smith. Ann. .nul Mag. Nat. Ili-t. Ser. 4, Vol. XI, 1873, p. 267.

St.it. 71. Makassar and surroundings. Up to 32 M. Mud, sand with mud, coral. 1 Spcc.

Stat. 1 14. Kwandang-bay-entrance. y? M. Hard sand vcry fine. 2 Spec.

•. 11*. West 't' Kwandang-bay-entrance. 72 M. Fine sand with mud. 3 Spcc.
Sta: Near Xuhu Ja. ui, Kei-islands. 90 M. Sand, coral and shells. 2 Spec.

The specimen from Stat. 71 is a little doubtful, its subsutural band being less con-
spicually spirally striated than specimens identified by Mr. Smith ; on the latter I find 2 faint
yellowish spiral bands, not mentioned in the original description, and scarcely or not at all
perceptible in dead shells, one just belovv the subsutural band, the other above the suture or
on periphery of last whorl; as this species as far as I am aware, has not yet been figured,
I thought it desirable to give a figure of a not very large specimen (only 17 Mill.) which is
cjuite fresh and has been examined by its author.

15. Terebra (Strioterebrum) turrita Smith. PI. XXV, tig. 7.

SMITH. Ann. and Mag. Xat. Ilist. Ser. 4. Vol. XI, 1873, p. 266.

Stat. 153. 0°3'.8N., i3o°24'.3E. Bougainville-strait. 141 M. Fine and coarse sand with dead
shells. 1 Spec.

Though the specimen seems not to be quite adult, (17 Mill.) and not intact, I thought
it worth to give a figure, as it is still unfigured.

[6. Terebra 1 Strioterebrum) marmorata Deshayes.

DESHAYES. Proc. Zool. Soc. Lond. 1859, p. 279.

Reeve. Conch. Ie. Vol. XII, Terebra, fig. 91.

TRYON. Man. of Conch. Vol. VII, p. 15, PI. 12, fig. 34.

Stat. 49*. Sapeh-strait. 70 M. Coral and shells. 1 Spec.

Stat. 50. Bay o( West coast of Flores. Up to 40 M. Mud, sand and shells. 2 Spec.

Stat. 184. Kampong Kelang, South coast of Manipa-island. 36 M. Coralsar.d. 1 Spec.

■ cimen hom Stat. 49* has the brown subsutural spots less developed than the
bj K11

6

37i

iy. Terebra (Strioterebrum) polygyrata Deshayes.

DESHAYES. Proc. Zool. Soc. Lond. 1859, p. 301.
REEVE. Conch. Ie. Vol. XII, Terebra, fig. 146.
Tryon. Man. of Conch. Vol. VII, p. 23, PI. 7, fig. 10.

Stat. 2. Madura-strait. 56 M. Grey mud with some radiolariae. 1 Spec.

Stat. 4. Ujangkar (Java). 9 M. Coarse sand. 1 Spec.

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, coarse sand with shells and stones. 1 Spec.

Stat. 71. Makassar and surroundings. Up to 32 M. Mud, sand with mud, coral. 1 Spec.

Stat. 114. Kwandang-bay-entrance. 75 M. Hard sand, very fine. 1 Spec.

Stat. 142. Laiwui, coast of Obi Major. 23 M. Mud. 2 Spec.

Stat. 153. o°3'.8N., I30°24'.3E. Bougainville-strait. 141 M. Fine and coarse sand with dead

shells. 2 Spec.

Stat. 181. Amboina. 54 M. Coralsand. 1 Spec.

Stat. 205. Lohio-bay, Buton-strait. 22 M. Sandy mud. 4 Spec.

Stat. 294. io°I2'.2S., I24°27'.3E. Timor-sea. 73 M. Soft mud with very fine sand. 1 Spec.

The figure of Reeve is not very characteristic and that of Tryon, which is a rude copy
of it, still less fine; amongst the Siboga-specimens, some are of the length recorded by
Deshayes (13 MUI.) or even less, but the largest, from Stat. 114, has a length of 28 MUI.,
another less typical one, without upper whorls must even have been larger.

18. Terebra (Strioterebrum) viotascetis Hinds var.

HlNDS. Proc. Zool. Soc. Lond. 1843, p. 154.
Sowerby. Thes. Conchyl. Vol. I, p. 177.
Reeve. Conch. Ie. Vol. XII, Terebra, fig. 125.
Tryon. Man. of Conch. Vol. I, p. 35, PI. 10, fig. 98.

Stat. 51. Madura-bay. 69 — 91. M. Fine grey sand, coarse sand with shells and stones. 1 Spec.
Stat. 116. West of Kwandang-bay-entrance. 72 M. Fine sand with mud. 3 Spec.
Stat. 285. South coast of Timor. 34 M. Limit between mud and coral. 2 Spec.

I have not quoted Hinds' figure in the Thesaurus Conchyliorum, as fig. 98 of Plate 45
represents the form of New Guinea. The Siboga-specimens agree rather well with Reeve's
figure, copied by Tryon, as they are whitish with a yellowish-brown band below the suture,
which colour-variety has been mentioned but not figured by Hinds, in Reeve's figure this band
is not visible in my copy. I have failed to find the words ascribed to Reeve by Tryon.

19. Terebra (Strioterebrtim) multistriata n. sp. PI. XXV, fig. 8.

Stat. 116. West of Kwandang-bay-entrance. 72 M. Fine sand with mud. 1 Spec.
Stat. 204. Between islands of Wowoni and Buton, Northern entrance of Buton-strait. 75 — 94 M.
Sand with dead shells. 1 Spec.

Shell moderately large, elongate, very slender, white, with faint traces of an interrupted,
yellowish, subsutural zone and two still fainter ones on last whorl. Whorls 25, of which about
3 form a smooth nucleus, with convex whorls, subsequent whorls strongly convex for the genus,
separated by a deeply impressed, undulated suture; sculpture consisting of conspicuous, elegantly
curved ribs, 14 on last whorl, the crests of ribs smooth, but their sides and the interstices

7

ed striae, <>r ii on< considers their interstices by unequal flat lirae;

n penultimate whorl, of which one, placed at some distance from the suture, has

the ribs nearlj reach the base of last whorl, where the number

much m nsiderable; this last whorl is very long, subangularly rounded below,

ntracted. Aperture elongate, narrow, with a nut very sharp angle above, ending

in a rather long, curved canal below; peristome not intact, columellar margin consisting of an

appressed layer of enamel, with a scarcely appreciable groove below, bordering a faint columellar

Interior <>!" aperture smooth, white

Alt. 35, lat. 41/,; apert. alt. .\\ r lat. i Mill.

nearest ally of this species may be '/'. Fortunei Desh. (Journ. de Conch. [857, p. 79,
PI. .}. fig. 1), but with probably an equal number of whorls (Deshayes says 20 whorls without
the apex, which he suspects may be 5 or 6 more) it is much smaller 1 /'. Fortunei 69 Mill.)
an- but 6 spiral striae, of which the firsl borders the subsutural zone, in the nevv species
this zone !•> likewise striated, and though the specimen trom Stat. 204 has only 12 spiral striae,
this number is stil] twice the number recorded by Deshayes for T. Fortunei.

Terebra (Strioterebrum) affinis Gray.

. Proc. Zool. Soc. Lond. 1 S34, p. 60.
KlENER. Coq. Viv. Vol. VIII, p. 34, PI. 11, fig. 24^ [pertusa var.).

WERBY. Thes. Conchyl. Vol. I, p. 172, PI. 46, lig. jS.

EVE. Conch. Ie. Vol. XII, Terebra, fig. 39.
TRYON. Man. of Conch. Vol. VII, p. 14, PI. 2, fig. 22.

66. Bank between islands of Bahuluwang and Tambolungan, South of Saleyer. S — 10 M.
Dead c<iral, Halimeda, Lithothamnion. 1 Spcc.

Stat. -X. fcumu-Lumu-shoal, Borneo-bank. 34 M. Coral and coralsand. 1 Spec.

Stat. 282. Between Nusa Besi and N.E.-point of Timor. 27 — 54 M. Sand, coral and Litho-
thamnion. 2 Spcc.

Stat. 299. Bnka- or Cyrus-bay, South coast of Rotti-island. 34 .AI. .Mud, coral and Litho-
thamnion. 1 Spcc.

21. Terebra Strioterebrum) itndiilata Gray.

. Zool. Soc. Lond. [834, p. 60.
WERBY. The-. Conchyl. Vol. I, p. 172, PI. 43. fig. 55.
REEVE. Conch. Ie. Vol. XII, Terebra, fig. 84.
TRYON. Man. of Conch. Vol. VII, p. 22, PI. o, fig. 4.

Stat. ^~. Sailus ketjil, Paternoster-islands. 27 M. and less. Coral and coralsand. 1 Spec.

50. Bay "i" Badjo, West coast of Flores. l'p to 40 M. Mud, sand and shells. 2 S]

Stat. 18.). Near Kampong Kelan ist of Manipa-island. 36 M. Coral, sand. 1 Spec.

. 2~~. Kulewatti-bay, Dammer-island. 45 M. Sand, white and black mixed. 1 Spec.

Stat. 313. ! I'. .ir, Saleh-bay. Cp to 56 M. Sand, coral nul Mud. 1 Spec.

ecimens belong to the form represented by the quoted figures, with white sul i-
sutural band, one could think, after Tryon's words, Reevi would have united even T. cinctella Desh.
with this unites only /. approximata I)csh. as a synonym, and deals with

8

6/ ó

cinctella Desh. as a synonym of picta Hinds (1. c. sp. 112). I have no materials to form an
opinion, in how far these 4 names ought to be united under one head.

var. laevior n. var. PI. XXV, fig. 9.

Stat. 240. Banda. 9 — 45 M. Black sand, coral, Lithothamnion. 1 Spec.

Differing from the typical specimens by the wanting of spiral striae between the ribs,
which are placed closer together, the subsurutal groove only remaining ; the white colour is
persisting also a little below the groove, a difference which I find also, though less clearly, in
other specimens. As the only specimen is young, (1 yl/„ Mill.), I prefer to give it only a varietal
name, to describing it as a new species. Indeed the differences are rather insignificant.

22. Terebra (Strioterebriim) columellaris Hinds var.

HlNDS. Proc. Zool. Soc. Lond. 1843, p. 151.

SOWERBY. Thes. Conchyl. Vol. I, p. 172, PI. 44, fig. jj ; PI. 45, fig. 127.

REEVE. Conch. Ie. Vol. XII, Terebra, fig. 113.

Tryon. Man. of Conch. Vol. VII, p. 22, PI. 6, fig. 93 {cancellata var.).

Stat. 240. Banda. 9 — 45 M. Black sand, coral, Lithothamnion. 1 Spec.

Stat. 301. Pepela-bay, East coast of Rotti-island. 22 M. Mud, coral and Lithothamnion. 1 Spec.

The specimen from Stat. 240 is somewhat intermediate in colour between Sowerby's
fig. 77 and 127, being lighter coloured than the former, darker than the latter figure; that
from Stat. 300, which may be bleached, is still lighter of colour than his fig. 127. The other
quoted figures are much less characteristic for the Siboga-specimens.

23. Terebra (Strioterebriim) areolata Adams and Reeve.

Aüams and REEVE. Zool. Voy. Samarang, p. 30, PI. 10, fig. 23.
TRYON. Man. of Conch. Vol. VII, p. 22, PI. 6, fig. 94.

Stat. 37. Sailus ketjil, Paternoster-islands. 27 M. and less. Coral and coralsand. 1 Spec.
Stat. 204. Between islands of Wowoni and Buton, Northern entrance of Buton-strait. 75 — 94 M.

Sand with dead shells. 1 Spec.
Stat. 240. Banda. 9 — 45 M. Black sand, coral, Lithothamnion. 1 Spec.

The specimen from Stat. 204 is quite bleached and not perfectly identical in sculpture,
so its determination is a little doubtful. Most monographers consider this shell as a synonym
or slight variety of allied species, but Deshayes considered it to be a valid species. The Siboga-
specimens are in accordance with this view.

24. Terebra (Strioterebriim) conspersa Hinds.

HlNDS. Proc. Zool. Soc. Lond. 1843, P- I5I-
SOWERBY. Thes. Conchyl. Vol. I, p. 163, PI. 44, fig. 74.
REEVE. Conch. Ie. Vol. XII, Terebra, fig. 127.
TRYON. Man. of Conch. Vol. VII, p. 24, PI. 7, fig. 13.

9

SIBOGA-rXPEDITIE XUX'i'. 49

coasl "i Borneo. Up to ;.j M. Hard coralsand. i S
.. M. Black sandj coral, Lithothamnion. i Spi
Rumah Lusi, North-point "f Tiur-island. I ill 34 M. 1 S

• v.uv in the size of the brown stains.

Strioterebrum) plumb & < .aimard.

Gaimard. Zool. Voy. Astrol., p. 470, PI. \6, 30.

KlENBR. Coq. Viv. Vol. \'Ili. Terebra, p. 56, PI. 12, 1
KOSTER. Martini-Chemn. Conch. Cab. Ed. II. Vol. V, Terebra, p. 29, PI. 11.

rterby. Thes. Conchyl. Vol. I, Terebra, p. [64, PI. 44, fiy. 70.
Reeve. Conch. Ie. Vol. XII. Terebra, fig. 111.
TRYON. Man. of Conch. Vol. VII, p. 37, PI. 11, fig. 7.

St.u. 4. Djangkar (Java). 9 M. Coarse sand. 1 Spcc.

A very --mail specimen of somewhat obscure appearance, agreeing with the upper whorls
of a specimen from Cebu.

Terebra (Strioterebrum) tiurensis n. sp. PI. KXV, fig. 10.

Stat. 248. Near Ru ma Lusi. North-point of Tiur-island. Till 54 M. 1 Spcc.

Shell small, acicular, very shining, whitish, with violet apex, scattered reddish-brown
spots, just below the subsutural band, in a few cases stretching, though more faintly, down
over the whorls. Nuclear whorls, which are violet, as stated above, smooth, convex, about 4
in number, below at the suture with a keel; total number of whorls about 14, postnuclear ones
slightly convex, with a deep suture; sculpture consisting of axial ribs, 19 or 20 on penultimate
whorl, disappearing on last whorl, ribs and interstices with a deep subsutural groove, having
the appearance of punctures in the interstices, for the rest the shell is smooth; last whorl rather
larly convex, contracted below. Aperture oblong, with an acute angle above, narrower at
the sutural band, peristome thin, columellar margin short, ending with an oblique curved fold,
with a tracé of a second fold about halfway.

Alt. 14 ., lat. 31/,; apert. alt. 3, lat. i1 , M ill.

I know no species to which this one is closely allied. It has some superficial resem-
blance with one of the specimens of T. conspersa, but the deep groove and shining surface,
without other spirals makes it quite different.

2-. Terebra (Strioterebrum) crenifera Deshayes var.

DESHAYES. 1'roc. Zool. Soc. Lond. 1850. p. 298.

t. [59. 0°59'.i S., i29°48'.8 1C. 411 M. Coarse sand. 1 Spcc.

Th men diiïers from the original description, by the nearly entirely wanting spiral

sculpture, t! • 1 ems to be rare and this may account for the circumstance that most

mite it with other ones. I owe the identification to Mr. E. A. Smith, who was able
the Cumingian type.

3/5

28. Terebra (Strioterebrum) circinata Deshayes.

DESHAYES. Journ. de Conch. 1857, p. 99, PI. 4, fig. 6, 7.
REEVE. Conch. lc. Vol. XII, Terebra, fig. 47 a (straminea var.).
TRYON. Man. of Conch. Vol. VII, p. 28, PI. 8, fig. 44 {straminea var.).

Stat. 2. Madura-strait. 56 M. Grey mud with some radiolariae. i Spec.
Stat. 4. Djangkar (Java). 9 M. Coarse sand. 28 Spec.

I think Reeve's figure differs considerably from that of Deshayes, which represents a
smaller shell, the Siboga-specimens are still smaller. Perhaps they belong to Deshayes' var. fi.

29. Terebra (Strioterebrum) straminea Gray.

Gray. Proc. Zool. Soc. Lond. 1834, p. 62.

Sowerby. Thes. Conchyl. Vol. I, p. 169, PI. 42, fig. 22, 23.

Reeve. Conch. Ie. Vol. XII, Terebra, fig. 47/;.

TRYON. Man. of Conch. Vol. VII, p. 28, PI. 8, fig. 42, 43.

Stat. 58. Seba, Savu. Up to 27 M. Sand. i Spec.

Stat. 204. Between islands of Wowoni and Buton, Northern entrance of Buton-strait. 75 — 94 M.
Sand with dead shells. I Spec.

Both specimens are bleached, but perfectly agree in sculpture with typical ones.

30. Terebra (Strioterebrum) tricolor Sowerby.

Sowerby. Cat. Tankerv. App. p. 24.

KlENER. Coq. Viv. Vol. VIII, Terebra, p. 24, PI. 13, fig. 7,3 [taeniolatd).

KüSTER. Martini- Chemn. Conch. Cab. Ed. II, Vol. V, Terebra, p. 10, PI. i, fig. 9 [taeniolata).

Sowerby. Thes. Conchyl. Vol. I, p. 168, PI. 44, fig. 82.

REEVE. Conch. Ie. Vol. XII, Terebra, fig. 57.

TRYON. Man. of Conch. Vol. VII, p. 27, PI. 8, fig. 39.

Stat. 282. Between Nusa Besi and N.E.-point of Timor 27 — 54 M. Sand, coral and Litho-
thamnion. I Spec.

The Siboga-specimen is very light-coloured, nearly quite white, with 4 brown grooves
on last whorl, instead of the three, figured by the quoted monographers; as I possess a specimen
from the Andaman-isles, with even 6 grooves, of which 5 are brown, but which is otherwise typical,
I think it is unnecessary to apply a varietal name, unless one would call them 3 — 4 — b-sulcata
and so on. The specimen scarcely seems to be bleached; the fourth groove of the Siboga-
specimen is placed below the periphery, so that it is covered on the upper whorls. In the
Andaman-specimen the colourless groove is placed between the two brown grooves, corresponding
to those of the quoted figures, one lias the same position as in the Siboga-specimen and the
basal one in doublé, making 3 additional grooves.

31. Terebra (Striotcrcbram) triscriata Gray.

Gray. Proc. Zool. Soc. Lond. 1S34, p. 61.
Sowerby. Thes. Conchyl. Vol. I, p. 171, PI. 45, fig. 119.

ii

:. h. [c. Vol. XII, 1> "Il i

Man. of Conch. Vol. VII, p. jo, l'i 57.

Bi iken-islands, West coasl of Salawatti. 18 M. Coral and fine
s.nul with clay and shells. 1 S;

men is not very large but characteristic. This species is the type of Dall's
>stephanus.

Striotereórum) tricincta Smith. PI. XXV, fig. 11.

Smith. Ann. Mag. Nat. Hist., Ser. 4, Vol. XIX, [877, p. 225.

St.u. 71. Makassar and surroum 56 M. Mud. sand with mud, coral. 3 Spec.

The largest specimen is larger than Smith's type, being nearly 14 Mill. though not
complete. Another specimen of the typical length, 1 1 Mill., has served for figuring.

33. Tere&ra (Striotereórum) Archimedes Deshayes. PI. XXV, fig. 12.
Deshayes. Proc. Zool. Soc. Lond. 1 S59, p. 314.

it. [33. Lirung, Salibabu-island. Up to 36 M. Mud and hard sand. 1 Spec.

Ru vi and Tryon consider this species to bc only a synonym of T. funiculata Hinds;
as far as I can judge after one specimen of each, Archimedes has the subsutural lira less
prominent, the number of lirae of each whorl is less, the lirae are more granular, the last
whorl is considerably shorter, moreover the colour is much lighter. As this species seems to be
unfigured, I have given a figure.

34. Tereóra (Striotereórum) virgo n. sp. Pi. XXV, fig. 13.

Stat. 50. Bay of Badjo, West coast of Flores. Up to 40 M. Mud, sand and shells. 1 Spec.

Shell elongately turreted, shining, white, upper postnuclear whorls cream-coloured. Whorls
, of which 21/., form a large, mamillate, smooth nucleus; postnuclear whorls at first rather
straight, the last 8 concave; sculpture consisting on Iower whorls of a conspicuous, crenulated,
subsutural rib, accompanied by a narrower second one, separated by a strong groove, this
second rib being likewise crenulated or beaded, concave part of whorls crossed by fiat axial
ribs and with remote spiral groovcs, 3 in number, so that this concave part is 4-lirate, of
lirae the upper 2 are the largest. At all the lower whorls have 6 lirae, inclusive of the
subsutural one. Last whorl short, with a larger lira below its angle, separated from upper part
by a stronger groove and with some narrower lirae on the base. Aperture subquadrate, with a
short, sharp sinus above, a short wide canal below: peristpme blunt; columellar margin short,
faintly bicostate, with an appressed layer of enamel.

Alt. 25, lat. 5*/4; apert. alt. 5 (with canal), lat. 21/. Mill.

This shell is quite differenl from the preceding one, by its more or less concave whorls,
much less acicular than Archimedes, which it slightly resembles in some respects; the

377

whorls are much broader, consequently much less in number, T. Archimedes of the same lenght
would have 24 whorls ; the bulbous nucleus may also serve as a good distinctive character.

Hastula Adams.

1. Hastula (Hastula) matheroniana Deshayes.

DESHAYES. Proc. Zool. Soc. Lond. 1859, p. 287.

Stat. 296. Near Noimini, South coast of Timor. 8 — 36 M. Sandy mud. 1 Spec.

Reeve considered this species at first as a synonym of T. strigillata, but afterwards in
the „corrigenda" separates it. Tryon remained in doubt, but finally refers it to strigillata.
Unfortunately the only specimen is not in sufficiënt condition for a figure, as not only the
shell has two holes, but the aperture is severely damaged. I think it is sufficiently distinct by
its size, acicular shape, sharper ribs and colour.

2. Hastula (Impages) coertilescens Lamarck.

Lamarck. An. s. vert. Ed. II, Vol. X, p. 245.

KlENER. Coq. Viv. Vol. VIII, Terebra, p. 17, PI. 6; PI. 7, fig. \2a,b.

KOSTER. Martini-Chemn. Conch. Cab. Ed. II, Vol. V, Terebra, p. 10, PI. 2, fig. 6.

SOWERBY. Thes. Conchyl. Vol. I, p. 159, PI. 41, fig. 5, 6.

REEVE. Conch. Ie. Vol. XII, Terebra, fig. 26, b, c.

TRYON. Man. of Conch. Vol. VII, p. 30, PI. 10, fig. 75.

Stat. 33. Bay of Pidjot, Lombok. 22 M. and less. Mud, coral and coralsand. 5 Spec.
Stat. 279. Roma-island. Reef. 2 Spec.

The Siboga-specimens agree with the quoted figures, those from Stat. 33 are quite white,
with occasionally a few dark streaks, those from Stat. 279 are richly variegated with dark
ash-coloured bands and streaks.

Fam. Conidae.
Conus Linné.

After having made some trials to arrange the species of this genus in the known sub-
genera and sections, I find that authors are not at all agreeing in this respect, so much so
that even one and the same species has been located in different sections, by the same author,
in subsequent papers ; under these circumstances I have foliowed Tryon, hïs monograph being
the latest, which enumerates the species in a systematic order; his method, based on the views
of Weinkaüff, brings the species to natural groups; I have only made a few exceptions.

1. Conus (Marmorei) marmoreus Linné.

Linné. Syst. Nat. Ed. X, p. 712, N° 250.

Rumph. Amb. Rariteitkamer, p. 104, PI. 32, fig. N.

13

378

:. h. Ir. Vol. 1, <'"!!

K Viv. Vol. I. i "mus. ]>. 4, PI. 2, fig. i.

•noliyl. Vol. III. p. 2, PI. i. fig. 5.
..wu. Martini-Chemn. Conch. Cab. Ed. II, Vol. 1\'. Conus, p. 6o, 156, PI. 9,
. 1' ;.

ch. Vol. VI, i>. 7. PI. 1, fig. 1.

St.it. 16. Bay "f Kankamaraan, S. coast of Kangeang. Red". 1 S|>cc.
;i. Amboina. Reef. 1 S]

St.it. 234. X.il.ihi.i-li.iy, Nusa-Laut-island. Keef. 2 Spec.

The specimens are typical, with regularly spread white spots, Linné quotes als<> Rumph's
\ 1, which belongs to the variety or species bandanus Hwass.

2. Conus (Literati) millepunctatus Lamarck.

Lamarck. Au. s. vert. Ed. II, Vol. XI. p. 36.

REEVE. 1 .'iich. 1c. Vol. I. Conus, fig. 78.

Kii' q. Viv. Vol. I. Conus, p. 61, PI. iS, fig. 1.

SOWERBY. Thes. Conchyl. Vol. III. Conus, p. 23, PI. 7, fig. 151.

KOster/Weinkauff. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 72, 160,

PI. ii.l
Tryon. Man. of Conch. Vol. VI, p. 10. PI. 2, fig. 19 [literatus var.).

Stat. 142. Laiwui, coast of Obi Major. 23 M. Mud. 1 Spec.

Though Tryon may be right in uniting this species with C. literatus Lin., it differs not

only as he says I. c.) by the spots being smaller and much more numerous and by the absence
of the yellow bands, but the character by which I could separate the very numerous specimens
I have seen, is that. mentioned by Kiixi.k, that the whorls are spirally striate on the spire,
which is not the case with C. literatus^ where they are smooth.

ï-

Conus (Literati) cour nats llwass.

Hwass. Ene. Meth. Vol. I, p. 640, PI. 324, fig. 1.
kil nch. Ie. Vol. I. ('i>nus. fig. 106^.

KlENER. Coq. Viv. Vol. I, Conus, p. 67, PI. 17. fig. 2.
SOWERBY. Thes. Conchyl. Vol. 111. Conus, p. 24, PI. 12, fig. 247 — 249.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV. Conus. p. 105, [76,
PI. _"., fig. 9.

onch. Vol. VI, p. 11, PI. 2, fig. 2.\, 25.

! Dangar Besar, Saleh-bay. Cp to 36 M. Sand, coral and mud. 2 Spec.

4. Conus /J/cra/i tessellatus Bom.

Vindob. p. 151.
Rl 1 nch. Ie. Vol. I. Conus. fig. 1

Kil ' oq. Viv. Vol. I. Conus, p. 68, PI. 17, lig. 1.

onchyl. Vol. III. 1 onus, p. 24, PI. 12, fig. 250. 251.
1 1

379

Küster/Weinkauff, Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 78, 162,

PI. 13, fig. 1, 2.
TRYON. Man. of Conch. Vol. VI, p. 11, PI. 2, fig. 26.

Stat. 240. Banda, 9 — 45 M. Black sand, coral, Lithothamnion. 1 Spec.
The specimen is small but characteristic.

5. Conus (Literati) suturatus Reeve.

REEVE. Proc. Zool. Soc. Lond. 1843, p. 178.

Reeve. Conch. Ie. Vol. I, Conus, fig. 250.

SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 25, PI. 12, fig. 256.

Weinkauff. Martini-Chemn. Conch. Cab, Ed. II, Vol. IV, Conus, p. 223, PI. 36, fig. 9, 10.

TRYON. Man. of Conch. Vol. VI, p. 11, PI. 2, fig. 29, 29a.

Stat. 164. i°42'.5 S., I30°47'.s E. Near West-New-Guinea. 32 M. Sand, small stones and shells.

1 Spec.
Stat. 184. Near Kampong Kelang, South coast of Manipa-island. 36 M. Coral, sand. 1 Spec.

The specimen from Stat. 184 is in very poor condition, ancl so agrees very vvell with
Reeve's orig-inal figure of a worn shell.

6. Conus (Literati) characteristicus Chemnitz.

CHEMNITZ. Conch. Cab. Ed. I, Vol. XI, p. 54, PI. 182, fig. 1760, 1761.

Reeve. Conch. Ie. Vol. I, Conus, fig. 167.

KlENER. Coq. Viv. Vol. I, Conus, p. 203, PI. 42, fig. 1.

SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 26, PI. 15, fig. 337, 338.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 85, 165,

PI. 14. % 5- 6.
TRYON. Man. of Conch. Vol. VI, p. 13, PI. 3, fig. 38, 39.

Stat. 33. Bay of Pidjot, Lombok. 22 M. Mud, coral and coralsand. 1 Spec.

This specimen fully agrees with the quoted descriptions and figures, it is nearly covered
by a rather thick, velvety epidermis. Reeve, Sowerby and Küster give it the habitat „West-
Indies", Tryon, West-Africa, West-Indies and Borneo, the latter locality from the label of a
London dealer. Fischer (Cat. Moll. Indo-Chine, 1891, p. 46) records it from the Gulf of Siam,
after Morlet. The Siboga-specimen confirms its eastern habitat.

7. Conus (Figulini) figzdinus Linné.

LlNNÉ. Syst. Nat. Ed. X, p. 715, N° 267.

RUMPH. Amb. Rariteitkamer, p. 106, PI. 31, fig. V.

REEVE. Conch. Ie. Vol. I, Conus, fig. 160.

KlENER. Coq. Viv. Vol. I, Conus, p. 76, PI. 28, fig. 1.

SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 24, PI. 11, fig. 242.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. So, 163,

PI. 13, fig- 4, 6.
Tryon. Man. of Conch. Vol. VI, p. 16, PI. 4, fig. 57.

Stat. 169. Atjatuning, West coast of New-Guinea. Reef. 1 Spec.

Covered by a thin, fibrous epidermis.

15

I lu.lss.

Hw Meth. p. 68i, PI. 6.

Ki : '..li. Ic. Vol. I. * 'onus, fig. 14S.

Kil [. Viv. Vol. I. < "mis. p 1 , 1.

i l onchyl. Vol. [II, ( .muis. p. 24, PI. 1 1

Weinkauff. Martini-Chemn. Conch. Cab. Ed. II. Vol. [V, Conus, p. 82, PI. 13, fi

Man. of Conch. Vol. VI, p. 1;, PI. 4. fig.

Banda. 9 4.5 M. Black sand, coral, Lithothamnion. 1 Spcc.
.:. 313. East "t Dan ar, Saleh-bay. Up to 56 M. Sand, coral and mud. 1 Spcc.

In the specimen from Stat. ,; 1 .; the shell has a somewhat strange appearance by the
of the last whorl, but else it is typical.

9. Conus Arenatij arenatus Hwass.

Hwass. Ene. Meth. p. 621, PI. 320, fig. 6.

R MPH. Amh. Rariteitkamer, p. 106, PI. 33, fig. A. A.

Ri ncli. Ic. Vol. I. Conus, fig.

KlENER. Coq. Viv. Vol. 1, Conus. p. 38, PI. lü. fig. 1, \a, \b.

Sowerbv. Thes. Conchyl. Vol. III, p. 8, PI. 2, fig. 17. is.

KÜSTER/Weinkauff. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV. Conus, p. 115, 179,

PI. 22, fig. 6, 7.
Tk\"N. Man. of Conch. Vol. VI, p. 18, PI. 4, fig. 66.

St.it. 234. Nahalia-bay, Nusa-Laut-island. Reef. 1 Spcc.

The specimen belongs to the form represented by the lïgures of Rumph, Kiini.k \b
and Koster 6.

10. Conus (Arenatij stercus muscarum Linnc.

LlNNÉ. Syst. Nat. Ed. X. j>. 715, \' 269 (pai .

RUMPH. Amb. Rariteitkamer, p. 106, Tl. 33, fig. Z.

Ri men. Ic. Vol. I, Conus, fig. 90.

KlENER. Coq. Viv. Vol. I, Conus, p. 206, PI. 58, fig. 3.

SOWERBY. Thes. Conchyl. Vol. III. p. 38, PI. 15, fig. 347.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Kd. II, Vol. IV, Conus, p. 108, 177.

PI. 21, fig. 1—3.
TRYON. Man. of Conch. Vol. VI, p. i>j, PI- 5, fig. 71.

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 1 Spcc.

11. Conus (Mures) roseus Lamarck.

Lamari k. An. s vcit. Ed. II, Vol. XI. p. 32.
Ri 1 ich. Ic. Vol. I. 1 'mus, 1

Kil oq. Viv. Vol. I, Conus, p. 22, PI. 9, tig. 3.

nchyl. Vol. III. p. 8, PI. 5, fig. 94,
Weinkauff. Martini-Chemn. Conch. 1 it. Ed. II. Vol. IV. p. 130, PI. 25, fig. 8; l'
. Man. "f Conch. Vol. VI, p. 2' >, PI. ;. fig. 73 [mus. var.).

P la-bay, 1 I of Rotti-island. Reef. 1 Spcc.

.6

38i

The authors quoted above, give as habitat of this species " West-Indies" ; the Siboga-
specimen, though slightly worn, belongs no doubt to it, I possess and have seen many specimens
from the south coast of Java, from Amboina and Borneo. Kiener twice makes use of the name
roseus in the plates of his monograph, on PI. 9 and PI. 107, fig. 4, but in the text this latter is
named C. rosaceus Kiener; it has been named C. Kieneri by Reeve and has nothing to do
with the species under consideration, which is allied to C. mus.

12. Conus (Mures) hebraeus Linné.

LlNNÉ. Syst. Nat. Ed. X, p. 715, N° 268 (ebraeus).

Rumph. Amb. Rariteitkamer, p. 106, PI. 33, fig. B.B.

Reeve. Conch. Ie. Vol. I, Conus, fig. 104A

KlENER. Coq. Viv. Vol. I, Conus, p. 45, PI. 4, fig. 2.

Sowerby. Thes. Conchyl. Vol. III, Conus, p. 9, PI. 3, fig. 56 (ebraeus).

Küster/Weinkauff. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 68, 159, PI. 10,

fig. 10, 11 ; PI. 23, fig. 1.
TRYON. Man. of Conch. Vol. VI, p. 20, PI. 5, fig. 75.

Stat. 34. Labuan Pandan, Lombok. Coral reef. 3 Spec.

Stat. 37. Sailus ketjil, Paternoster-islands. 27 M. and less. Coral and coralsand. 1 Spec.

Stat. 50. Bay of Badjo, West coast of Flores. Up to 40 M. Mud, sand and shells. 1 Spec.

Stat. 81. Pulu Sebangkatan, Borneo-bank. Reef. 1 Spec.

Stat. 86. Dongala, Palos-bay, Celebes. 36 M. Fine grey mud. 1 Spec.

Stat. 129. Kavvio- and Kamboling-islands, Karkaralong-group. 23 — 31 M. Sand. 1 Spec.

Stat. 131. Beo, Karakelang-islands. 13 M. Mud and sand. 2 Spec.

Stat. 277. Kulewatti-(Sollot-)bay, Dammer-island. Reef. 1 Spec.

The specimen from Stat. 277 has some tendency to belong to var. vermicularis by the
confluence of some of the black spots, but it is nearer to the type ; the fresh shells are covered
with a thin, yellowish, slightly fibrous epidermis.

13. Conus (Mures) spousa/is Chemnitz.

Chemnitz. Conch. Cab. Ed. I, Vol. XI, p. 56, PI. 182, fig. 1766, 1767.

Reeve. Conch. Ie. Vol. I, Conus, fig. 109.

KlENER. Coq. Viv. Vol. I, Conus, p. 48, PI. 14, fig. 4.

Sowerby. Thes. Conchyl. Vol. III, Conus, p. 10, PI. 6, fig. 133, 134.

Küster/Weinkauff, Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 86, 165,

PI. 14, fig. 7, 8.
TRYON. Man. of Conch. Vol. VI, p. 23, PI. 6, fig. 99 (Ceylonensis var.).

Stat. 34. Labuan Pandan, Lombok. Coral reef. 1 Spec.

Stat. 299. Buka- or Cyrus-bay, South coast of Rotti-island. 34 M. Mud, coral and Litho-
thamnion. 1 Spec.

Tryon has united many forms under C. ceylonensis, giving a nearly worldwide distribution
to the species ; the Siboga-specimens belong no doubt to sponsalis.

ao

14. Conus (Mttres) corouahts Dillwyn.

Dillwyn. Cat. Vol. I, p. 403.

Reeve. Conch. Ie. Vol. I, Conus, fig. 143 (minimus).

17

SIBOGA-EXPEDITIE XLIX'tf.

50

38 a

K: Viv. Vol. I. Conus, p. 64, PI. 14, fig. 1 [minimu

, 1 1 nchyl. Vol. III. Conus, p. 9, PI. .. ;;, PI. 5, I 11 minimus).

uu. Martini-Chemn. Conch. Cab. Ed. Il, Vol. IV, < on i— il;

Man. of Conch. Vol. VI, p. 21, PI. ;, fig. 84, 88 [miliai

Stat. - Baj ol Badjo, \\ Flores. (Jp to 40 M. Mud, sand and shells. 1 Spec.

Seba, Savu. Ri • f. 1 Sp
Stal is-bay, Celebes. 56 M. Fine grey mud. 1 S]

St.it. 129. Near Kawio- and Kamboling-islands, Karkaralong-group. Reef. 1 Spec.
St.it. 133. Lirung, Salibabu-island. Keet. 1

St.it. [52. Wunoh-bay, N.W. coast of Waigeu-island. Reef and 32 M. Lithothamnion bol
5 Spec.
;. Near South-point of South-Lucipara-island. Keef. 1 Spec.
St.it. 296. Noimini, South coast of Timor. Keel', i spec.

Though very variable in colour and markings, the Siboga-specimens belong to the type,
represented l>y the quoted figures.

yai\ Aristophanes Duclos?

SOWERBY. Thes. Conchyl. Vol. III. Conus, p. 9, PI. 4, fig. 81, 82.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 219, PI. 31, fig. 3.

TRYON. Man. of Conch. Vol. VI, p. 22, PI. 5, fig. 90.

Stat. 225. Xear South-point of South-Lucipara-island. Keef. 1 Spec.

15. Conus (Mures) musicus Hwass.

HWASS. Ene. Meth. Vol. I, PI. 332, fig. 4.

REEVE. Conch. Ie. Vol. I. Conus, lig. 113.

KlENER. Coq. Viv. Vol. 1, Conus. p. 61, PI. 13, fig. 6.

SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 11, PI. 6, fig. 145— 148.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 281, PI. 48, fig. 6 — 9.

TRYON. Man. of Conch. Vol. VI, p. 11, PI. 2, fig. 22, 23.

50. Bay of Badjo, West coast of Flores. Up to 40 M. Mud, sand and shells. i Spec.
Stat. 213. South-island, near Saleyer. Keef. 1 Spec.

[6. Conus (Varii) varius Linné.

LlNNÉ. Syst. Nat. Md. X, |>. 715, X" 270.

REEVE. Conch. Ie. Vol. I, Conus, fig. 58.

K11 ■ oq. Viv. Vol. I, Conus, p. 20, PI. 7, i'vj,. 3.

SOWERBY. Thes. Conchyl. Vol. III. Conus, p. 7, PI. 3, fig. 40- \2.

KOSTER/ WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus. p. 63, 1

PI. g
TRYON. Man. of Conch. Vol. VI, p. 2;. PI. 6, fig. 8, 9.

|. Xalahia-bay, Nusa-Laut-island. Keef. 1 Spec.

men is an empty shell, with largo red brown |>at<-hes.

17. Conus (Var ii) boeticits Reeve var. rivularis Reeve.

REEVE. Conch. Ie. Vol. I, Conus, Suppl. PI. 6, fig. 261.

SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 21, PI. 5, fig. 90.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 256 {boeticus pars).

TRYON. Man. of Conch. Vol. VI, p. 26, PI. 6, fig. 13.

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 1 Spec.

This variety is not only distinguished by its light colour, as Weinkauff states, but by
its granules all over the body-whorl, as Tryon lias rightly observed. The Siboga-specimen is
an empty but characteristic shell.

18. Conus (Varii) mtcriculatus Sowerby.

Süwerbv. Conch. 111. PI. I, fig. 1.

Reeve. Conch. Ie. Vol. I, Conus, fig. 112.

KlENER. Coq. Viv. Vol. I, Conus, p. 52, PI. 72, fig. 2.

Sowerby. Thes. Conchyl. Vol. III, Conus, p. 4, PI. 5, fig. 89.

Weinkauff. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 254, PI. 42, fig, 4, 5.

Tryon. Man. of Conch. Vol. VI, p. 26, Pi. 6, fig. 15.

Stat. 164. i°42'.5 S., I30°47'.5 E. Near West-New-Guinea. 32 M. Sand, small stones and shells.
2 Spec.

The largest specimen which is covered with a rather thick, fibrous epidermis, has the
uncommon length of about 40 Mill, against 2 1 in Weinkauff's Monograph, Tryon reports
1 inch. The other specimen, though smaller, is still more than 30 Mill. in length.

19. Conus ( Ammirales) ammiralis Linné.

LlNNÉ. Syst. Nat. Ed. X, p. 713, N° 257.

RUMPH. Amb. Rariteitkamer, p. 108, PI. 34, fig. B. C. D.

REEVE. Conch. Ie. Vol. I, Conus, fig. 11.

KlENER. Coq. Viv. Vol. I, Conus, p. 134, PI. 21, fig. 1.

Sowerby. Thes. Conchyl. Vol. III, p. 18, PI. 10, fig. 225.

KüSTER/Weinkauff. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 23, 143,

PI. 3, fig. 5; PI. 4, fig. 2—4; PI. 17, fig. 8, 11, 12.
TRYON. Man. of Conch. Vol. VI, p. 29; PI. 8, fig. 44.

Stat. 109. Pulu Tongkil, Sulu-archipelago. 13 M. Lithothamnion-bottom. 1 Spec.

The specimen is very fine, it belongs to the so-called variety with divided central band,
represented by Kiener's fig. ia, Sowerby's fig. 225 and Küster's fig. 5 and 10. Formerly a
very rare species, of which the specimen represented by fig. C in Rumph's Rariteitkamer (1. c.)
could not be obtained for "500 gulden".

20. Conus (Ammirales) Jïoridnlus Adams & Reeve.

ADAMS & REEVE. Moll. Voy. Samarang. p. 18, PI. 5, fig. 9.
Reeve. Conch. Ie. Vol. I, Conus, Suppl. PI. 4, fig. 245.
SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 13, PI. 5, fig. 97.

J9

\\ Martini-Chemn. Conch. Cab. Ed. II, Vol. IV. Conus, p. 555, PI,

. M.m. .'i Conch. Vol. VI, p. 35, PI luminalis vai

1 . Salibabu-island. lp to 56 M. Mud and hard sand, 1 Spec.

I of 1 >.n ir, Salch-bay. Up to \<< M. Sand, coral and mud; 1 Spi

Both specimens are small and rather bleached, especially that from Stat. 1 ;;, which is
ognizable, they agree with Reeve's figure, much less so with those of Sowerby,
and Trvon, the latter two being rude copies of Sowerby's figure.

21. Conus (Ammirales) papillaris Reeve,

Reeve. Conch. Ie. Vol. I. Conus, Suppl. PI. 4, fig. 242.

Sowerby. rhes. Conchyl. Vol. III, Conus, p. [3, PI. 16, fig. \jy.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. y?j, PI. • 7.

Tryon. Man. of Conch. Vol. VI, p. 38, PI- n, fig. 8.

Stat. 51. Madura-bay, (»\ 9] M. Fine grey sand, coarse sand with shells. 1 Spec.
Sta: V, ii>. 40 E. Sulu-archipelago. 522 M. Stony bottom. 1 Spec.

The specimens are rather small, worn sin -lis, consequently of somewhat d( «ubtful identification.

22. Conus (Ammirales) filicinctus n. sp. PI. XXV, fig. 1.

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, coarse sand with shells 1 Spec.

Shell rather small, conical, with elevated spire and sharp upper angle, body-whorl slightly
attenuated above and below and nearly imperceptibly in the centre Win iris about 9, (nucleus
wanting), gradate, upper ones indistinctly tubercular, with a few spiral striae, disappearing in
lower whorls and close-set growth-striae, upper face of whorls slightly excavated, separated by
an undulated suture, which is very inconspicuous by the gradation of the whorls; .spire white
with redbrown blotches. Colour of body-whorl whitish-brown, with irregular redbrown perpen-
dicular clouds and numerous darker spiral lines, 21 in number, leaving a narrow upper zone
and a larger submedian one nearly white, with a few scattered redbrown points, giving the
impression of 3 other, strongly interrupted lines; base spotted with same colour, with about 7
spiral grooves. Aperture narrow, peristome broken, but will have been (according to growth-
striae) straight, with a sinus at its upper part, columellar margin nearly straight.
Alt. 27'/., lat. 15; apert. alt. 23, lat. about 21/., Mill.

Though this specimen is in no very splendid condition, it seems to be too characteristic
to remain undescribed. In shape it resembles the broader specimens of L'. ammiralis, but in

:rmarkin^s I know no species in that or in allied groujjs, which could be compared with
it. I lie number of whorls which may have been 10 to 12 and the different sculpture of the

:• whorls, may justify the opinion, that the specimen is adult or nearly so.

( apita xillitin Gmelin.

il i in. Syst. Nat. Ed. XIII, p. ,

' oiich. Ie. Vol. I, < ionus, fig. 3.

385

KlENER. Coq. Viv. Vol. I, Conus, p. 79, PI. 34, fig. 1.

SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 27, PI. 7, fig. 163.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 83, 163,

PI. 17, fig. 13.
TRYON. Man. of Conch. Vol. VI, p. 39, PI. 11, fig. 12', 13, 14.

Stat. yS. Lumu-Lumu-shoal, Borneo-bank. Shore. 1 Spec.

The specimen is very young and the characteristic colour-pattern of the adult shell is
not yet developed.

24. Conus (Capitauei) miles Linné.

LlNNÉ. Syst. Nat. Ed. X, p. 713, N° 255.

Rumph. Amb. Rariteitkamer, p. 106, PI. 33, fig. W.

REEVE. Conch. Ie. Vol. I, Conus, fig. 9.

KlENER. Coq. Viv. Vol. I, Conus, p. 94, PI. 38, fig. 2.

SOWERBY. Thes. Conchyl. Vol. III. Conus, p. 27, PI. 7, fig. 157.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 82, 163, PI. 13,

fig. 11, 12.
TRYON. Man. of Conch. Vol. VI, p. 40, PI. 11, fig. 16; PI. 27, fig. 11.

Stat. 53. Bay of Nangamessi, Sumba. Up to 36 M. Coralsand. 1 Spec.

Stat. 58. Seba, Savu. Reef. 1 Spec.

Stat. 133. Lirung, Salibabu-island. Reef. 2 Spec.

Stat. 169. Atjatuning, West coast of New-Guinea. Reef. 1 Spec.

Stat. 240. Banda. Reef. 1 Spec.

Stat. 315. East of Sailus Besar, Paternoster-islands. Up to 36 M. Coral and Lithothamnion. 1 Spec.

The fresh specimens have a rather thick, fibrous epidermis, with about a dozen of spiral
rows of hairs, grouped in bundies from 2 to 5 or occasionally more.

25. Conus (Capitauei) capitaneus Linné.

LlNNÉ. Syst. Nat. Ed. X, p. 713, N° 254.

RUMPH. Amb. Rariteitkamer, p. 106, PI. 33, fig. X.

REEVE. Conch. Ie. Vol. I, Conus, fig. 54.

KlENER. Coq. Viv. Vol. I, Conus, p. 85, PI. 20, fig. 1.

SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 27, PI. 8, fig. 175, 176.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 7, 140, PI. 13,

fig. 8 — 10.
TRYON. Man. of Conch. Vol. VI, p. 40, PI. 12, fig. 21, 22.

Stat. 53. Bay of Nangamessi, Sumba. Up to 36 M. Coralsand. 1 Spec.

Stat. 58. Seba, Savu. Reef. 1 Spec.

Stat. 169. Atjatuning, West coast of New-Guinea. Reef. 1 Spec.

Stat. 193. Sanana-bay, East coast of Sula Besi. Reef. 1 Spec.

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 1 Spec.

The epidermis of this species is similar to that of the preceeding one, but not quite the
'same in the specimens from Stat. 169 and 58, the latter, benig a half-grown shell, lias almost
20 spiral rows of longer bristles, often bind or even trifid near their top, in the other specimen
they are scarce and entirely lacking near the base.

3 86

ij rat lus llw.iss var. tahitensis Hwass.

Uw I Meth. p. 713, PI. J38.

Kü oq. Viv. Vol. 1. Conus, p. 187, PI. <>•■. fig. 4 (taitensis).

,. rhes. I "ii. li. Vol. III. Conus, p. 5, PI. ■■■ [tahitensis).

Weinkauff. Martini-Chemn. Conch. Cab. Ed. II. Vol. IV, Conus, p ;, s taitensis).

Man. "i Conch. Vol. VI, p. 41, PI. 12,

St.it. 78. Lumu-Lumu-shoal, Borneo-bank. Shore. 1 Spec.

Stat. 1 -' 1. Kawio- and Kamboling-islands, Karkaraloi ip. Keef. 1 Spec.

Stat. 250. Kilsuin, Kur-island. Reet'. 1 Spec.

The specimen from Stat. 78 lias a thin fibrous epidermis, with about 10 spira] rows
of scattered, rather, short bristles.

27. Conus Virgines) flavidus Lamarck.

LAMARCK. Ad. s. vert. Ed. II, Vol. XI, p. 45.
KlENER. Coq. Viv. Vol. I, Conus, p. 96, PI. 26, fig. 4.

iWERBY. Thcs. Conchyl. Vol. III, Conus, p. 23, PI. 8, fig. 168.
WEINKAUFF. Martini-Chemn. Conch. Cab. lid. Il, Vol. IV, Conus, p. iyi, PI. 28, fig. 7,8.
TRYON. Man of Conch. Vol. VI, p. 44. PI. 13, li;^. 48.

Stat. 225. Near South-point of South-Lucipara-island. Reef. 2 Spec.

I have not quoted Ki 1 vi 's fig. 207 of the Conch. Iconica, as liis figure does not
represent a typical specimen, but probably, judging after its less conical shape and conspicuous
granules, it comes near to Weinkauff's C". maltzanianus^ though it is not improbable that Tryon
i> right, in considering tliis latter to be merely a variety; one of the Siboga-specimens resembles
it by its more reddish colour and more developed granules, but not in shape, being still quite
conical. The epidermis is rather thin and fibrous.

. Conus ( l irgines) lividus 1 Iwass.

Hwass. Ene. Meth. p. 630, PI. 321, fig. 5.

REEVE. Conch. 1c. Vol. I, Conus, tig. 21 I.

KlENER. Coq. Viv. Vol. I. 1 p. 29, PI. 9, fig. 2.

Sou'EKiiv. I mchyl. Vol. III, Conus, p. 4, PI. 2, fig. 27.

Ki ster WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II. Vol. IV, Conus, p. 108, 170, PI. 3,

4; PI. 4.

TRYON. Man. of Conch. Vol. VI, p. 45, PI. 13, fig. 54.

Stat. 81. Pulu Sebangkatan, Borneo-bank. Reef. 1 Spec.
Stat. 243. Nalahia-bay, Nusa-Laut-island. Reef. 1 Spec.

Both specimens are young, that from Stat. Si has a fibrous epidermis, with about 15
spiral rows of short bristles.

29. Conus (Virgines) sugillatus Reeve.

Reeve. Conch. Ie. Vol. I. Conus, fig. 247.

-. Conchyl. Vol. III. ' -mis, p. 4, PI. 3, fig. 50.

22

38/

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 206, PI. 32, fig. 9, 10.
Tryon. Man. of Conch. Vol. VI, p. 45, PI. 13, fig. 56 (lividus var.).

Stat. 43. Pulu Sarassa, Postillon-islands. Up to 36 M. Coral. 1 Spec.

Stat. 47. Bay of Bima, near South fort. 55 M. Mud with patches of fine coralsand. 1 Spec.

The specimens are young but easily recognizable ; it may be that Tryon is ricdit, that
this form is only a variety of the preceding species.

30. Conus (Dauci) litJioglyplius Meuschen.

MEUSCHEN. Mus. Gevers, p. 350.

REEVE. Conch. Ie. Vol. I, Conus, fig. 20.

KlENER. Coq. Viv. Vol. I, Conus, p. 127, PI. 29, fig. 1.

Sowerby. Thes. Conchyl. Vol. III, Conus, p. 23, PI. 9, fig. 185 — 187 (ermineus).

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 93, 169, PI. 6,

fig. S; PI. 17, fig. 1, 2; PI. 19, fig. 7; PI. 29, fig. 5, 6.
TRYON. Man. of Conch. Vol. VI, p. 48, PI. 14, fig. 74, 75.

Stat. 43. Pulu Sarassa, Postillon-islands. Up to 36 M. Coral. 1 Spec.

Epidermis thin, yellowish, lïbrous, vvith rather long bristles, from single ones to bundies
of commonly 4, with rather large interspaces.

31. Conus (Dauci) planorbis Born.

Born. Test. Mus. Caes. Vindob. p. 164, PI. 7, fig. 13.

REEVE. Conch. Ie. Vol. I, Conus, fig. 197 [senator).

KlENER. Coq. Viv. Vol. I, Conus, p. 104, PI. 27, fig. 1 (senator).

SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 36, PI. 20, fig. 491.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 143, PI. 1 3, fig. 7 ; PI. 26, fig. 3.

Tryon. Man. of Conch. Vol. VI, p. 50, PI. 14, fig. 81.

Stat. 33. Bay of Pidjot, Lombok. 22 M. and less. Mud, coral and coralsand. 1 Spec.

Stat. 47. Bay of Bima, near South fort. 55 M. Mud with patches of fine coralsand. 1 Spec.

Stat. 64. Kambaragi bay, Tanah Djampeah. Up to 32 M. Coral, coralsand. 1 Spec.

Stat. 213. Saleyer. Up to 36 M. Mud and mud vvith sand. 1 Spec.

Stat. 322. South Tandjong Lajar. South coast of Bawean-island. 32 M. Coral. 1 Spec.

The specimen from Stat. 2 1 3 is nearly uniformly brownish-yellovv, darker towards the base
distinguished by some authors as var. senator, the other specimens are young and rather bad.

32. Conus (Dauci) lineatus Chemnitz.

Chemnitz. Conch. Cab. Ed. I, Vol. X, p. 27, PI. 138, fig. 12S5.

REEVE. Conch. Ie. Vol. I, Conus, fig. 131.

KlENER. Coq. Viv. Vol. I, Conus, p. 107, PI. 18, fig. 4.

SoWERBY. Thes. Conchyl. Vol. III, Conus, p. 36, PI. 10, fig. 218, 219.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 64, 157, PI. 9, fig. io.

Tryon. Man. of Conch. Vol. VI, p. 50, PI. 14, fig. 85.

Stat. 99. North-Ubian. 16 — 23 M. Lithothamnion-bottom. 1 Spec.

Stat. 301. Pepela-bay, East coast of Rotti-island. 22 M. Mud, coral and Lithothamnion. 2 Spec.

23

1/ Linné.

:. Nat. Ed. X. ;
l ii. Amh. Rariteitkamer, p. 105, PI
Rei nch. Ie. Vol. 1. i mu . I

K Viv. Vol. 1. ( lonus, p. 283, PI. 1.

■tu-hyl. Vol. III. Conus, p. 38, PI. 21, fig. 508 12.
Weinkauff. Martini-Chemn. Conch. Cab. Ed. II. VoL IV, Conus, p. 36, 146, PI. 6,
1. ji PI. 15, fig. 5. 4; PI, 1
Man. of Conch. Vol. VI, ]>. 53, PI. 15, fig. 3.

Stat. 234. Nahalia-bay, Nusa-Laut-island. keef. 1 Spec.

ir. raphanus 1 Iwass.

Hwass. Ene. Meth. p. 722, PI. 341, fig. 2.
Ri 1 ve. 1. c.
Kiener. 1. c. fig. 1 </.

NERBY. 1. c. PI. 20, fi

Ki SI ER. I. c. p. 13, PI. 2, fig. 3.
Tryon. 1. c. fig. 4.

it. 169. Atjatuning, West coast of New-Guinea. Reef. 1 Spec.
Stat. [72. Island Gisser. Keef. 1 Spec.

The specimens are distinguished by the simple character of their colour-markings.

34. Conus M rtusus 1 [wass.

Hwass. Ene. Meth. p. 686, pi. 336, fig. 2.

REEVE. Conch. Ie. Vol. I. Conus, fig. 25.

KlENER. Coq. Viv. Vol. I, Conus. p. 84, PI. 35, fig. I.

akki'.y. Thes. Conchyl. Vol. III, Conus, p. 23, PI. 13, fig. 273.
Kt STER WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 319, PI. 38, fig. 7.
Tryon. Man. ..f" Conch. Vol. VI, p. 54, PI. 16, fig. 15.

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 1 Spec.

Stat. 315. East ofSailus liesar, Paternoster-islands. Up to 36 M. Coral and Lithothamnion. 1 Spec.

Both specimens are intermcdiate between the type and the smooth var. amaói/is, that

from Stat. 234 is worn and comparatively smoother than it may have been when fresh, that

from Stat. 515 is remarkable by its first being rather smooth but after having been broken,

the shell has at onc«/ -"t the true /(vV^vc.v-sculpture, with an irregular demarcation-line, in

rdance with the fracture.

Magij lacteus Lamarck.

I .mak' k. An. s vert. Ed. II, Vol. XI. p.
Rl ; nch. Ie. Vol. I, Conus, fig.

K: Vi\. Vol. I, Conus, p. 268, PI. 60. fig. 4.

Weinkauff. Martini-Chemn. Conch. Cab. Ed. II. Vol. IV. Conus, p. 239, PI. 40, tig. 1.
Man. of Conch. Vol. VI, p. 57, PI. 17, lig. 51 [spectrum var.).

24

3§9

Stat. 1S4. Near Kampong Kelang, South coast of Manipa-island. 36 M. Coral, sand. 1 Spec.
Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 1 Spec.

The specimen from Stat. 234 is quite typical, that from Stat. 1S4 is young, covered by
a thin smooth epidermis, the grooves of the upper part of shell, though very faint, are still
visible. Sowerby has figured the allied C. parius for this species.

36. Conus (Magi) radiatus Gmelin.

Gmelin. Syst. Nat. Ed. XIII. p. 3386.

Reeve. Conch. Ie. Vol. I, Conus, fig. 217 (Martinianus).

KlENER. Coq. Viv. Vol. I, p. 276, PI. 40, fig. 2 {martinianus).

SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 35, PI. 20, fig. 490.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 135, PI. 26, fig. 9;

PI. 28, fig. 1, 2.
TRYON. Man. of Conch. Vol. VI, p. 60, PI. 18, fig. 71.

Stat. 4. Djangkar (Java). 9 M. Coarse sand. 1 Spec.

Stat. 213. Saleyer. Up to 36 M. Coralreefs, mud and mud with sand. 1 Spec.

Both specimens are covered by a rather thick, brown epidermis, velvety by numerous
hairy spirals.

37. Couus (Magi) ochroleuctis Gmelin.

Gmelin. Syst. Nat. Ed. XIII, p. 3391.

REEVE. Conch. Ie. Vol. I, Conus, fig. 138 (praefectus).

KlENER. Coq. Viv. Vol. I, Conus, p. 296, PI. 41, fig. 3 (praefectus).

Sowerby. Thes. Conchyl. Vol. III, Conus, p. 35, PI. 20, fig. 487 — 489 (fasciatus).

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II. Vol. IV, Conus, p. 75 (praefectus),

p. 167, PI. 15. fig. 6.
TryüN. Man. of Conch. Vol. VI, p. 60, PI. 18, fig. 75.

Stat. 133. Lirung, Salibabu-island. Up to 36 M. Mud and hard sand. 1 Spec.

Young but easily recognizable.

38. Conus (Magi) parius Reeve.

Reeve. Conch. Ie. Vol. I, Conus, fig. 235.

KlENER. Coq. Viv. Vol. I, Conus, p. 277, PI. 60, fig. 3.

SovvERBY. Thes. Conchyl. Vol. III, Conus, p. 34, PI. 20, fig. 473 (lacteus).

WEINRAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 150, PI. 6, fig. 7.

TRYON. Man. of Conch. Vol. VI, p. 60, PI. 18, fig. 72 {radiatus var.).

Stat. 231. Amboina. 40 M. Coralsand. 1 Spec.

Stat. 279. Rumah-Kuda-bay, Roma-island. 36 M. Mud and sand. 1 Spec.

This species has been considered to be merely a variety of C. lacteus and C. radiatus,
from the former I could always distinguish it, by its smooth upper part of last whorl and
brown upper whorls, from the latter by the convex upper part of the whorls, which is slightly
excavated in each whorl in radiatus and is much more spirally striated there, moreover by its
more white colour. The epidermis is dark brown and more or less hairy in spiral rows.

25

SIBOGA-V'XPEDITIE XLIx't'. 51

I i

llu vss. Ene. Meth. p. 707, PI.

1. 1 onus, •
;. Viv. Vol. I. » "iius. p. 1S3. PI. 43, fig. 1.
: nchyl. Vol. III, Conus, p. 38, PI. 13, fig. 277

Wi'.iNK.ui 1 . Martini-Chemn. Conch. Cab. 1 .•:. II. Vol. 1\'. ( :onus, p. 27, 1 \ j, PI. j, I
. Man. 1. Vol. VI, p. 63, PI. 21 7.

South-point "f South-Lucipara-island. Keef. 1 Spec.

. Xchatini nigropunctatus Sowerby.

ai:ki;v. Thes. Conchyl. Vol. III. Conus, p. 38, PI. 13, fig. 342.
R.EEVE. ( onch. Ie. Vol. I, Conus, fig. 190, 193 [Adansoni).
Kii Vu. Vol. I. Conus, p. 246, PI. 61. fig. 4 (unicolor).

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II. Vol. IV. Conus, p. 250, PI. 34. fig 11. [2.

,"V Man. of Conch. Vol. VI, p. 64, PI. 20, fig. S, 9 [catus var. ,

St.it. 79k. Pulu-Kabala-dua. Borneo-bank. Reef. 1 Spec.

St.it. 133. Lirung, Salibabu-island. Reef. 3 Spec.

Mat. [93. Sanana-bay, East coast of Sula-Besi-island. Reef. 1 Spec.

I have foliowed Weinkauff's views (1. c.) on the synonymy of this species, which seem
to b<- sufficiently acceptable.

41. Conus (Asperi) mucronatus Reeve.

REEVE. Conch. Ie. Vol. I, Conus, fig. 204.

KlENER. Coq. Viv. Vol. I. Conus, p. 216, PI. 92, fig. 1.

AKKiiv. Thes. Conchyl. Vol. III, Conus, p. 3;, PI. 20, fig. 481.
WEINKAUFF. Martini-Chemn. Conch. Cab. Cd. II. Vol. IV, Conus, p. 351, PI. 65, fig. 1, 3.
Tkv<>.\. Man. of Conch. Vol. VI, p. J2. PI. 22. fig. j^, 74.

Stat. 47. Bay of Bima, near South fort. 55 M. Muil with patches of fine coralsand. 1 Spec.

t. 116. \\\st of Kwandang-bay-entrance. j2 M. Fine sand with mud. 1 Spec.
Stat. 2U4. Between islands of Wowoni and Buton, Northern entrance of Buton-strait. 22 M.
Sand}- mud. 1 Spec.

In small specimens tin- spiral ribs are less flattened and the grooves are more conspicuous.

var. Sibogae n. var. PI. XX\", fig. 2.

t. 274. 5"' '2S .2 S., I34°53'.9E. Aru-islands. 57 M. Sand and shells, stones. 1 Spec.

Shell with spiral lirae mttch more numerous, (35 at all), having in many places the
char. split by an intermediate groove; brown colour more intense, forming 3 zones

of 1 one ruw of smaller "nes just below the shoulder, another of larger dames above

iimilar broader one near the base, the intermediate zones with spiral row
on the most basal part the colourmarkings consist of larger points.
. lat. 13 Mill.
1 in doubt, whether 1 shoul ribe this shell as a new species or not. I!\

39i

its vivid and elegant colourmarkings, reminding those of C. planiliratus, as figured by Sowerby,
I was a little misled, but its shape is exactly that of the middle-sized C. inucronatus of the
Siboga-materials; these specimens vary in the development of the grooves, partly in accordance
with age, the ventral side being mainly stronger grooved than the dorsal one. Reeve (1. c.) says :
"varying remarkably in their general appearance; most of them are obsoletely coronated, and
all have the grooves more or less developed". If more materials were present and
the differences proved to be constant, this form might be described as a good species.

42. Conus f A sper ij sulcatus Hwass.

HWASS. Ene. Meth. p. 618, PI. 321, fig. 6.

REEVE. Conch. Ie. Vol. I, Conus, fig. 99.

KlENER. Coq. Viv. Vol. I, Conus, p. 31, PI. 6, fig. 2 [costatus).

SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 12, PI. 2, fig. 30.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 90 (asper), p. 167,

PI. 16, fig. 1—3.
TRYON. Man. of Conch. Vol. VI, p. j^, PI. 23, fig. 79'.

Stat. 114. Kwandang-bay-entrance. 75 M. Hard sand, very fine. 1 Spec.

Stat. 318. 6°36'.sS., H4°S5'.5E. Java-sea. 88 M. Fine, yellowish-grey mud. 2 Spec.

The variability of this well-known species, as far as concerns the sharpness of the spiral
ridges, confirms my views on the var. Sibogae of the former species.

43. Conus (Asperi) mindanus Hwass var. |3 Reeve.

REEVE. Conch. Ie. Vol. I, Conus, fig. 115''.

Sowerby. Thes. Conchyl. Vol. III, Conus, p. 11, PI. 5, fig. S6.

Stat. 164. i°42'.S S., I30°47'.5 E. Near West New-Guinea. 32 M. Sand, small stones and
shells. 1 Spec.

Unfortunately the shell is quite bleached. As it is of interest to be certain about its
identification, as much controversy has arisen about its true habitat, East-Indian or West-Indian,
I asked the opinion of Mr. E. A. Smith, who thinks I may be right; if this be so, the authors
who doubt its East-Indian provenience, may not have possessed the true species (Weinkauff, Tryon).

44. Conus (Asperi) Sowerbyi Reeve.

Reeve. Conch. Ie. Vol. I, Suppl. emend. p. 2.

REEVE. Conch. Ie. Vol. I, Conus, fig. yj a {sinensis).

Sowerby. Thes. Conchyl. Vol. III, Conus, p. 12, PI. 16, fig. 379.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 2S2, PI. 49, fig. 1/3.

TRYON. Man. of Conch. Vol. VI, p. j6, PI. 24, fig. 99, 1.

Stat. jj. Borneo-bank. 59 M. Fine grey coralsand. 2 Spec.

Stat. 153. o° 3'. 8 N., i3o°24'.3E. Bougainville-strait. 141 M. Fine and coarse sand with dead

shells. 1 Spec.
Stat. 204. Between islands of Wowoni and Buton. 75 — 94 M. Sand with dead shells. 2 Spec.
Stat. 260. Near Nuhu Jaan, Kei-islands. 90 M. Sand, coral and shells. 1 Spec.
Stat. 318. 6°36'.5S., ii4°S5'.sE. Java-Sea. 88 M. Fine yellowish-grey mud. 1 Spec.

27

Vnn. and Mag. Nat. Hist. Ser. 7. Vol. XIII. 1904, p. 454) has recorded this
1 oromandel coast, in 41 fath.;else the tnonographs give more remote localities,

iculatus Sowerby.

inchyl. Vol. III. Conus, Suppl. I, p. 32K. PI. j.).

Kii Vn. Vol. I. Conus, p. 155. PI. 72, ' utanguh

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II. Vol. I\'. Conus, p. ••,-"/. PI. 1 10,11.

Man. "i Vol. VI, p. 7.4. 75. PI. 23, fig. 89 [cancellatus ju

SMl 1 11. Zool. ('"11. i>. 487.

.;. in. West '■( Kwandang-bay-entrance. 72 M. Fine sand with mud. 1 Spec.

4 Between islands of Wowoni and Buton. 75 — 94 M. Sand with dead shells. 2 Spec.
t. .■ ; . Banda. 9—45 M. Black sand, coral. 1 Spec.
t. 301. Pepela-bay, East coast "f Rotti-island. 22 M. Mud, coral and Lithothamnion. 1 Spec.

I have foliowed the suggestions of Smith, I. c. and Ann. and Mag. Nat. Hist. Ser. 6,
XIV, 1894, p. 160, concerning the synonymy of this species. The Sibo^a-specimens are

. Conus (Asperi) aculeiformis Reeve.

REEVE. Conch. Ie. Vol. 1, Conus, fig. 240/'.

Sowerby. Thes. Conchyl. Vol. III. Conus, p. 12, PI. 16, J70.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II. Vol. IV. Conus, p. 258, PI. 43, fig* 2, 3.

TRYON. Man. >>\ Conch. Vol. VI, p. 75, PI. 23, fig. 90.

Stat. 51. Madura-bay. 69 — 91. M. Fine grey sand, coarse sand with shells. 1 Spec.
West of Kwandang-bay-entrance. 72 M. Fine sand with mud. 2 Spec.
. 204. Between islands of Wowoni and Buton, 75 — 94 M. Sand with dead shells. 1 Spec.
it. 313. East of Dangar Besar, Saleh-bay. Up to 36 M. Sand, coral and mud. 1 Spec.

unites with this species a multitude <>f more or less allied, elongated Coni, but
Smith, Ann. and Mag. Nat. Hist. Ser. 7, Vol. XIII, 1904, p. 454, 455), admits a large amount
of variability, without falling in that extreme.

- Conus (Asperij delicatus n. sp. PI. XX\T, fig. 3.

t. 51. Madura-bay. <>o — 91 M. Fine grey sand, coarse sand with shells. 1 Spec.

Shell elongately fusiform, with high spire, smooth, shining, yellowish-white, with yellow-

■ >. formed by series of quadrangular blotches. Whorls 8, of which about s'A (upper

not intact) form a quite smooth, convexly-whorled nucleus, subsequent whorls angular, first

witli r on with 2 spiral grooves, sliohil) coronated in upper post-nuclear whorls, the grooves

Is punctured, space between the doop suture and upper groove, with perpendicular

r that between lower and suture, with very oblique striae; infra-angular

worl in its upper part scarcely grooved, luit with a few spiral rows of punctu

393

transformed in distinctly punctured grooves towards the median and on the basal part, 28 at all;
last whorl contracted towards the base, its outline being concave. The brown colour on the
last whorl, forms median and basal interrupted bands, on the spire it is arranged in regular
blotches. Aperture narrow, angular above.

Alt. iS1/,, lat. 6 Mill.

Though the specimen is evidently young and allied to the preceding species, I could
not unite it, as the particulars of sculpture of the considerably lower spire differ too much
from that of C. aculciformis, the whorls being much more prominent at the suture, with quite
different sculpture, the shell is much less grooved and more shining, the colour, though perhaps
a little faded, seems to be much lighter. I had sent it to Mr. E. A. Smith, who did not find
it identical with any form of C. aculciformis.

48. Conus (Asperi) elegans n. sp. PI. XXV, fig. 4.

Stat. 153. o°3'.SN., I30°24'.3E. Bougainville-strait. 141 M. Fine and coarse sand with dead
shells. 2 Spec.

Shell elongately fusiform, with high spire, whitish with redbrown flames, forming two
interrupted bands, one about the median part, the second near the base, spire with flamelike
blotches of the same colour. Whorls ii or 12, of which about 3 form a smooth nucleus, with
convex whorls-, subsequent whorls carinated, the keel occupying in the upper whorls the centre
in the lower ones the base of each whorl, in the upper ones it is elegantly beaded, these beads
becoming obscure lower on, the angle of last whorl being nearly plain, the upper face of
lower whorls is slightly excavated, with about 5 spiral lirae in the excavation, crossed by
strongly curved riblets ; body whorl grooved all over, with about 30 grooves below the angle,
the grooves narrower than the intermediate lirae on the upper part, becoming larger than the
lirae near and leaving only threadlike spirals on the base ; last whorl attenuated towards the
base. The grooves are coarsely punctured, the lirae with fine axial striae. Aperture long, narrow,
with oblique upper part of peristome.

Alt. 21, lat. 71/.,; apert. alt. i4s/4 Mill.

These specimens have the appearance of being not full-grown, but the sculpture of the
spire is quite different from that of the preceding and other allied species.

49. Conus (Asperi) vimineus Reeve.

REEVE. Conch. Ie. Vol. I. Conus, Suppl. PI. 7, fig. 269.

SOWERBY. Thes. Conchyl, Vol. III, Conus, p. 13, PI. 16, fig. 357.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 377, Pi. 69, fig. 9 [vimiceus).

TRYON. Man. of Conch. Vol. VI, p. 75, PI. 23, fig. 91 [aculeiformis var.).

Stat. 207. Buton-strait. 148 M. Grey mud. 1 Spec.

One of the species united by Tryox in his acu/ci/oruiis-muddle; characterized by its
fine cancellated sculpture.

29

ulptus Ki< mr.

K. oq. Viv. Vol. I. Conus, p. 309, PI. 99, lig.

'1. I. . Vol. I. ( onus, Suppl. PI.

mchyl. Vol. III, Conus, p. 1 >., PI. 16, I 163.
Wei . MartinM hemn. Conch. Cab. Ed. II. Vol. IV. p. $54, PI. '■;. fig. 4, 5.

Man. of Conch. Vol. VI, p. 75, PI. 93 [aculeiformis pars).

Stat. 2. Madura-strait. 56 M. Grey mud with some radiolariae. i Spcc.

St.it. '^ !.. Sulu-archij 522 M. Stony bottom. 2 Spcc.

St.it. 260. \ .11 Northpoint ut' Nuhu Ja. ui, Kei-islands. 90 M. Sand, coral .uk! shclls. 2 £

Stat. 285. South coast of Ti mor. 34 M. Limit between mud and coral. 1 Spcc.

.5 S., 114 :, I . 82 M. Java-sea. Fine yellowish-grey. mud. i Spcc.

The specimens are dead shells, nut very characteristic ; the species has been thrown
[ether with C. aculeiformü by Ikvun.

51. Conus (Terebri glans Hwass.

HWASS. Ene. Meth. p. 725, PI. 342. fig. 7.

;iii. Amli. Rariteitkamer, p. [06, PI. 33, fig. 1 >. D.
REEVE. 1 onch. 1c. Vol. I, Conus, fig. 145 .
KlENER. Coq. Viv. Vol. I. Conus, p. 300, PI. >So, fig. \a.

tfERBY. Thes. Conchyl. Vol. 111, Conus, p. 46. PI. 22, fig. 530.

ï.u Weinkauff. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 46, 151, PI. j,\
TRYON. Man. of Conch. Vol. VI, p. 79, PI. 25, fig. 26.

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 3 Spcc.

The specinirtis belong to the short, granular form, more especially represented by the
quoted figures.

52. Conus ( Terebri) terebra Born.

BORN. Test. Mus. Caes. Vindob. p. 162.

REEVE. Conch. Ie. Vol. I, Conus, fig. 38 [terebellum).

KlENER. Coq. Viv. Vol. I, Conus, p. 20S, PI. 34, fig. 2.

WERBY. Thes. Conchyl. Vol. III, Conus, p. 46, PI. 23, fig. 550..
KÜS1 ER/WeinkaüI F. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. S7, 166, PI. 1 5, fig. 1.
TRYON. Man. of Conch. Vol. VI, p. 80, PI. 25, fig. 31.

•.. 53. Bay of Nangamessi, Sumba. lip to 36 M. Coralsand. 1 spcc.

The specimen is young, covered by a rather dark brown, iïbruus epidennis, but easily
izable.

53. Conus (Terebri) nussatella Linné.

LiNNi. Syst. Nat. Ed. X, p. 716, V' 273.

nu. Amb. Rariteitkamer, p. 106, PI. n, fig. E. E.
inch. Ie. Vol. I, Conus, fig. 56.
KlENER. Coq. Viv. Vol. I, Conus, p. 299, PI. 5

' onchyl. Vol. 111. Conus, p. 45, PI. 23, fig. 553, 554.

3°

395

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 43, 151, PI. 7, fig. 3.
Tryon. Man. of Conch. Vol. VI, p. 80, PI. 25, fig. 35.

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 1 Spec.

54. Conus (Tcrebri) clavus Linné.

LlNNÉ. Syst. Nat. Ed. X, p. 716, N° 272.

REEVE. Conch. Ie. Vol. I, Conus, p. 194.

KlENER. Coq. Viv. Vol. I, Conus. p. 321, PI. 87, fig. 2.

Sowerbv. Thes. Conchyl. Vol. III, Conus. p. 45, PI. 23, fig. 561.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 47, 152, PI. 7,

fig. 6; PI. 15, fig. 2.
Tryon. Man. of Conch. Vol. VI, p. 81, PI. 25, fig. ^7, 3§.

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 1 Spec.
As Tryon observes, this species is allied to the Section Texti by its colour-pattern.

55. Conus (Tcrebri) cirezimcisus Born.

BoRN. Test. Mus. Caes. Vindob. p. 163.

REEVE. Conch. Ie. Vol. I, Conus, fig. 13 (dux).

KlENER. Coq. Viv. Vol. I, Conus, p. 292, PI. 62, fig. 1 {dux).

SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 45, PI. 23 and Frontispiece, fig. 562.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 12 [dux), p. 141,

PI. 2, fig. 2; PI. 3, fig. 2; PI. 15, fig. 5.
TRYON. Man. of Conch. Vol. VI, p. 83, PI. 25, fig. 39, 40.

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 1 Spec.

56. Conus (Tulipae) striatus Linné.

Linné. Syst. Nat. Ed. X, p. 716, N° 277.

RUMPH. Amb. Rariteitkamer, p. 103, PI. 31, fig. F.

REEVE. Conch. Ie. Vol. I, Conus, fig. 179.

KlENER. Coq. Viv. Vol. I, Conus, p. 280. PI. 47, fig. 1, i\

SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 39, PI. 23, fig. 557.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 121, 181,

PI. 23, fig. 6—8.
Tryon. Man. of Conch. Vol. VI, p. 85, PI. 26, fig. 67.

Stat. 33. Bay of Pidjot, Lombok. 22 M. and less. Mud, coral and coralsand. 1 Spec.
Stat. 225. South-point of South Lucipara-island. Reef. 1 Spec.
Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 1 Spec.

57. Conus (Tulipae) tulipa Linné.

LlNNÉ. Syst. Nat. Ed. X, p. 717, N° 282.
REEVE. Conch. Ie. Vol. I, Conus, fig. 128.
KlENER. Coq. Viv. Vol. I, Conus. p. 346, PI. 12, fig. 2.
SOWERBY. Thes. Conchyl. Vol. III, Conus, p. 40, PI. 22, fig. 551, 552.

31

WEINKAUFF. Martini-Chemn. Conch Ed. II, Vol. IV, Conus, p. i .1 >, PI. 23

Con« h. Vol. VI, |>. 87, l'l. . si.

:. 131. Beo, Kaï islands. 15 M. Mud and sand. 1 Sp

rhe epidermis <>t this species is very fine, rather thin, fibrous, with 7 spiral rows <>i
1l.1t spines at rather large intervals.

Tulipat obscurus Reeve.

Rj nch. Ie. Vol. I. Conus, fig. 82.

KlENER. Coq. Viv. Vol. I. Conus, p. 347 , l'l. 68, fig. 2.

NERBY. Thes. Conchyl. Vol. III. Conus, p. 4". l'l. 22. I
WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. I\'. Conus, p. 52.:, l'l. 59, fi . 7, 8.
Tryon. Man. of Conch. Vol. VI. p. 88, l'l. 28, fig. 83 [violaceus pai

Stat. ;■.. Pulu Kabala-dua, Borneo-bank. Reef. 1 Spec.

::!ipac) geographus Linné.

LinnÉ. Syst. Nat. Ed. X. p. 71S. X" 283.

RUMPH. Aml). Rariteitkamer, p. 103, PI. 31, fig. 1..

Reeve. Conch. Ie. Vol. 1, Conus, fig. 130.

KlENER. Coq. Viv. Vol. 1. Conus, p. 345, l'l. 12, fig. 1.

(VERBY. Thes. Conchyl. Vol. 111, Conus. p. 40, PI. 23, fig. 560.
K sTER/WeïNKAUFF. Martini-Chemn. Conch. Cab. Ed. II. Vol. I\'. Conus, p. 111, 177,

PI. 21. fig. 7.
TRYON. Man. of Conch. Vol. VI, p. SS, l'l. 28, fig. 84.

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reet". 1 Spec.

60. Conus (Textij textile Linné.

LlNNÉ. Syst. Nat. Ed. X. p. 717. X' 278.

RUMPH. Ainb. Rariteitkamer, p. 105, l'l. 32, fig. O. P.

REEVE. Conch. 1c. Vol. I, Conus, tig. 209.

KlENER. Coq. Viv. Vol. 1, Conus, p. 328, PI. 90, fig. 1.

SOWERBY. Thes. Conchyl. Vol. III. Conus, p. 41. l'l. 2;. fig. 567.

Ki STER WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. 11, Vol. IV, Conus, p. 51, 154. PI. 7.

fig. 10; PI. S. fig. 4—6.
Tryon. Man. of Conch. Vol. VI, p. 89, PI. 2.,, fig. 92, 93.

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 1 Spec.

Of this and the preceding two species only empty shells ut" the well-known typical form
have been collecti

. Conus (Tcxti legatus Lamarck.

::. An. s. vert. Ed. II. Vol. XI. j>. 123.
mch. Ie Vol. I. Conus, fig. S5.
Ki Viv. Vol. I. Conus, p. 323. PI. 89, fi;2.. 3.

I onchyl. Vol. III. Conus, p. 41, l'l. 2

32

397

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 237, PI. 39, fig. 6.
TRVON. Man. of Conch. Vol. VI, p. 90, PI. 30, fig. 5 (tcxtile var.).

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 1 Spec.

The specimen is small but characteristic, and like Sowerby (1. c.) says, easily recognized
by its roseate hue.

62. Conus (Texti) episcopus Hwass.

HWASS. Ene. Meth. p. 748, PI. 345, fig. 2.

REEVE. Conch. Ie. Vol. I, Conus, fig. 189.

KlENER. Coq. Viv. Vol. I, Conus, p. 319, PI. 91, fig. 1.

Sowerby. Thes. Conchyl. Vol. III, Conus, p. 44, PI. 24, fig. 596 — 598.

KüSTEr/Weinkauff. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 48, 152, PI. 35,

fig- 1—3-
Tryon. Man. of Conch. Vol. VI, p. 93, PI. 31, fig. 23, 24 {omaria pars).

Stat. 133. Lirung, Salibabu-island. Reef. 2 Spec.

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 2 Spec.

Stat. 282. Between Nusa Besi and the N.E.-point of Timor. Reef. 1 Spec.

The specimens differ in shape and colourmarkings, but agree in the characteristic spire.

63. Conus (Tcxti) omaria Hwass.

Hwass. Ene. Meth. p. 714, PI. 339, fig. 3.

REEVE. Conch. Ie. Vol. I, Conus, fig. 177.

Kiener. Coq. Viv. Vol. I, Conus, p. 342, PI. 79, fig. 1.

Sowerby. Thes. Conchyl. Vol. III, Conus, p. 44, PI. 24, fig. 594, 595.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, p. 54, 154, PI. 8, fig. 7.

Tryon. Man. of Conch. Vol. VI, p. 92, PI. 31, fig. 19.

Stat. 60. Haingsisi, Samau-island near Timor. Reef. 1 Spec.

64. Conus (Texti) canonicus Hwass.

Hwass. Ene. Meth. p. 749, PI. 345, fig. 5.

RUMPH. Arab. Rariteitkamer, p. 105, PI. 32, fig. O.

REEVE. Conch. Ie. Vol. I, Conus, fig. 165.

Kiener. Coq. Viv. Vol. I, Conus, p. 335, PI. 95, fig. 1.

Sowerby. Thes. Conchyl. Vol. III, Conus, p. 42, PI. 23, fig. 568.

KÜSTER/WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Conus, p. 58 [archiepiscopus

var.) p. 299, PI. 53, fig. 7—9.
Tryon. Man. of Conch. Vol. VI, p. 90, PI. 30, fig. 2 (textile var. archiepiscopus pars).

Stat. 133. Lirung, Salibabu-island. Reef. 1 Spec.

Stat. 234. Nalahia-bay, Nusa-Laut-island. Reef. 1 Spec.

This species and some of the preceding ones, have been considered by many authors
to be only varieties of each other, but as I could easily separate the few specimens, I have
not foliowed their views.

33

SIBOGA-EXrEDITIE XLIx't. 52

I I V. ,

llw '. -. I nc. Meth. p. ;.(-• PI. '•

I ol Bi ma, near South fort. 55 M. Mud with p; I I fine coralsand. 1 S|

cimen is very young and bad, however the spire agrees with that of full-grown
o I may record it with doubt, but have nol quoted the different authors, as of course
1 f their figures agrees with the specimen of 15 Mill.

rhe Si: lection contains moreover some specimens <>i' Conus, belonging to various

■ons, but they are too bad or too young for identification, so I have omitted them.

Fam. Pi 1 ik mida] .

Pleurotoma Lamarck.

1. Pleurotoma babylonia Linné.

Linné. Syst. Nat. Ed. X, p. -j\^, X " 479.

Rumph. Amb. Rariteitkamer, p. 96, PI. 29, fig. L.

KlENER. Coq. Viv. Vol. I\'. Pleurotoma, p. 4, PI. i, fig. 1.

REEVE. Concli. Ie. Vol. I, Pleurotoma, fig. 5.

Wl [NKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 10, PI. A, fig. 8;

PI. . fig. 4. 5.
TRYON. Man. of Conch. Vol. VI, p. 162, PI. [, fig. A — C, fig. 1.

Stat. 258. Tual, Kei-islands. 22 M. Lithothamnion, sand and coral. 1 Spec.

The specimen is uncommonly large, more than 100 Mill. in length, though the apex is
not complete, with complete spire it certainly should have reached 105 Mill. and so considerably
surpassed the measurements of Weinkauff's and Tryon's specimens.

2. Pleurotoma Garnonsi Reeve.

REEVE. Conch. Ie. Vol. I, Pleurotoma, fig. 4.

KlENER. Coq. Viv. Vol. IV, Pleurotoma, p. 5, PI. 1, fig. 2 (babylonia var.).

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 12, PI. 2, fig. 1 — 4.

TRYON. Man. of Conch. Vul. VI, p. 163, PI. 2, fig. 5.

Stat. [62. Between Loslos and Broken-islands, West coast of Salawatti. 1 8 M. Coarse and fine

sand with clay and shells. 1 Spec.
Stat. 240. Banda. o 45 M. Black sand, coral, Lithothamnion. 2 Spec.

TIn- specimen from Stat. 162 has lost its lower whorls and is a little doubtful, hov.
sculpture an<l dark spot, agree with those of upper whorls of complete specim

Pleurotoma crispa Lamarck.

Lam \n. s. vert. Ed. II, Vol. IX. i'. 353.

REI nch. Ie. Vol. I, 1 n.

399

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 9, PI. r, fig. I, 2.
TRYON. Man. of Conch. Vol. VI, p. 163, PI. 1, fig. 6.

Stat. 313. East of Dangar Besar, Saleh-bay. Up to 36 M. Sand, coral and mud. 1 Spcc.

Weinkauff and Tryon are in doubt about the validity of this species and consider it
to be merely a variety (Weinkauff) or a younger state (Tryon) of PI. grandis\ as the name
crispa has priority and the Siboga-specimen belongs no doubt to that form, it is at all events
safe to apply this name.

4. Plcurotoma tigrina Lamarck.

LAMARCK. An. s. vert. Ed. II, Vol. IX, p. 352.

KlENER. Coq. Viv. Vol. IV, Pleurotoma, p. 10, PI. 8, fig. 1.

Reeve. Conch. Ie. Vol. I, Pleurotoma, fig. 3.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 13, PI. 2, fig. 5 — 7.

TRYON. Man. of Conch. Vol. VI, p. 164, PI. 2, fig. 10.

Stat. 4. Djangkar (Java). 9 M. Coarse sand. 1 Spec.

Stat. 99. North-Ubian. 16 — 23 M. Lithothamnion-bottom. 1 Spec.

Stat. 164. i°42'.5 S., I30°47'.5 E. Near West New-Guinea. 32 M. Sand, small stones and

shells. 1 Spec.
Stat. 240. Banda. 9 — 45 M. Black sand, coral, Lithotharnnion. 4 Spec.

Stat. 299. Buka- or Cyrus-bay, South coast of Rotti-island. 34 M. Mud, coral and Litho-
tharnnion. 6 Spec.
Stat. 313. East of Dangar Besar, Saleh-bay. Up to 36 M. Sand, coral and mud. 1 Spec.

Rather variable in the dark spots, but otherwise the specimens vary only in size, according
to their age.

5. Pleurotoma marmorata Lamarck.

Lamarck. An. s. vert. Ed. II, Vol. IX, p. 352.

KlENER. Coq. Viv. Vol. IV, Pleurotoma, p. 9, PI. 6, fig. 4.

REEVE. Conch. Ie. Vol. I, Pleurotoma, fig. 21 {marmorata), fig. 139 (liastula).

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, PI. 3, fig. 4.

TRYON. Man. of Conch. Vol. VI, p. 165, PI. 2, fig. 16 (marmorata), fig. 17 (hastula).

Stat. 4. Djangkar (Java). 9 M. Coarse sand. 4 Spec.

Stat. 50. Bay of Badjo, West coast of Flores. Up to 40 M. Mud, sand and shells. 1 Spec.

Stat. 51. Madura-bay. 69 — 91. M. Fine grey sand, coarse sand with shells and stones. 3 Spec.

Stat. 114. Kvvandang-bay-entrance. 75 M. Hard sand, vcry fine. 2 Spec.

Stat. 1 16. West of Kwandang-bay-entrance. 72 M. Fine sand with mud. 2 Spec.

Stat. 133. Lirung, Salibabu-island. Up to 36 M. Mud, and hard sand. 3 Spec.

Stat. 169. Near Atjatuning, West coast of New-Guinea, 57 M. Mud, 1 Spec.

Stat. 204. Between islands of Wowoni and Buton, Northern entrance of Buton-strait. 75 — 94 M.

Sand with dead shells, 1 Spec.

Stat. 206. Buton-strait. 51 M. Fine green mud. 1 Spec.

Stat. 231. Amboina. 40 M. Coralsand. 4 Spec.

Stat. 260. Near Nuhu Jaan, Kei-islands. 27 M. Mud. 3 Spec.

Stat. 306. 8°27'S., 1220 54'. 5 E. Savu-sea. 247 M. Sandy mud. 2 Spec.

Stat. 318. 6°36'.5S., ii4°55'.5E. Java-sea. 88 M. Fine, yellowish-grey mud. 1 Spec.

Stat. 320. 6°5'S., ii4°7E. Java-sea. 82 M. Fine grey mud. 1 Spec.
Stat. ? 1 Spec.

35

. .is usual, var) much in colour-pattern, less so in shape and sculpture,

lens from Stal are considerably different by their much less prominent

in the lower whorls, where it is doublé; these specimens may belong or come

th< variet) mentioned by Smith from the Arabian sea, ofl Gujerat (Ann. and Mag.

Vol. XVI, i Ï95, p. 263). In the upper whorls the difiference is less prominent.

(oma Hemipleurotoma) cingulifera Lamarck.

Lamarck. Au. s. vert. Ed. II. Vol. IX. p.
Kien I oq. Viv. Vol. 1\', Pleurotoma, p. 17, PI. 17, fig. 1.
Ki 1 vr. Conch. Ie. Vol. I. Pleurotoma, fig. 1.

\\ '1 inkauff. Martini-Chemn. Conch. Cab. Ed. II, Vol. I\', Pleurotoma, p. 13, 1'i. 2, ("il;. 8, <j;
PI. 4. fig. 8.

Man. of Conch. Vol. VI, p. 166, PI. 3, fig. 23.

Stat. 89. Pülu Kaniungan ketjil. Keef. 1 Spec.

The only specimen, without columellar margin, appears to have been inhabited by a
hermit-crab.

7. Pleurotoma (Hemipleurotoma) cryptorhaphe Sowerby.

SOWERBY. ('at. Tankerv. Suppl. p. 14, X" 1503.

Kn oq. Viv. Vol. I\', Pleurotoma, p. 12, PI. 7, fig. 1 [Woodit).

REEVE. Conch. Ie. Vol. I, Pleurotoma, fig. 7.

\V kink Af 11'. Martini-Chemn. Conch. Cab. Ed. II. Vol. IV, Pleurotoma, p. 20, PI. 4, fig. 4 — 7.

TRYON. Man. of Conch. Vol. VI, p. [68, PI. 3, fig. 30, 31.

99. North-Ubian, 16 — 23 M. l.ithothamnion-bottom. 1 Spec.

8. Pleurotoma (Hemipleurotoma) jubata Hinds.

HlNDS. Proc. Zool. Soc. Lond. [843, p. if.

REEVE. Conch. Ie. Vol. I, Pleurotoma, fig. 52.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, p. 92, PI. 20, fig. 1, 3.

TRYON. Man. of Conch. Vol. VI, p. 171, PI. 4, fig. 46.

Stat. 204. Between islands of Wowoni and Buton, Northern entrancc of Buton-strait, 75—94 M.
Sand with dead shells. 1 Spec.

The <>nly specimen is a bleached shell.

9. Pleurotoma (Hemipleurotoma) acutigemmata Smith.

SM1TH. Ann. and Mag. Nat. Hist. .4. Vol. XIX, 1S77, p. 489.

TRYON. Man. of Conch. Vol. VI, p. 171 (jubata pars).

SMITH. Ann. and Mag. Nat. Hist. Ser. 7, Vol. XIII, 1904, p. 457.

Stat. 47. Bay of Bi ma, near South fort. 55 M. Mud with patches of fine coralsand. 1 v
Stat. [64. 1 . I30°47'.5 E. Xe. ir West-New-Guinea. Sand, small stones and shells. 3 S

Stat. 285. Xear South coast of Timor. 34 M. Limit between mud and coral. Lithothamnion.

4 Spec.

:imen from Stat. 47 is rather small. only 121/. Mill. (Smith's type 22 MUI.) bul
with thi iption, the gemmules are well developed; in the other specimens,

36

401

one of which reaches a length of 17 Mill., the gemmate keel is frorh iïnely gemmate to nearly
smooth in lower whorls, and may approach the specimens mentioned by Smith in 1904 (1. c.)
as var. minor, in the upper postnuclear whorls the gemmules are more constant. The nuclear
whorls, about 4 in number, are at first smooth, then over a larger or smaller part costulate,
with more or less conspicuous traces of a narrow, undulated keel, just above the sutures (this
nucleus remembers the section Gemmula). The specimens vary slightly in colour, some of them
being lighter, I think only in part by being bleached.

10. Pleurotoma (Hemipleurotoma) violacea Hinds.

HlNDS. Voy. "Sulphur", Molk, p. 16, PI. 5, fig. 8.

REEVE. Conch. Ie. Vol. I, Pleurotoma, fig. 186.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, p. 30, PI. 6, fig, 7, 9.

Tryon. Man. of Conch. Vol. VI, p. 169, PI. 4, fig. 42.

Stat. 33. Bay of Pidjot, Lombok. 22 M. and less. Mud, coral and coralsand. 3 Spec.

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, coarse sand with shells and stones. 5 Spec.

Stat. 58. Seba, Savu. Up to 27 M. Sand. 1 Spec.

Stat. 71. Makassar and surroundings. Up to 32 M. Mud, sand with mud, coral. 2 Spec.

Stat. 95. 5°43'-5 N., H9°4o'E. Sulu-archipelago. 522 M. 1 Spec.

Stat. 1 14. Kwandang-bay-entrance. 75 M. Hard sand very fine. 4 Spec.

Stat. 231. Amboina, 54 M. Coralsand. 1 Spec.

Stat. 2S5. South coast of Timor. 34 M. Limit between mud and coral. Lithothamnion. 1 Spec.

The specimen from Stat. 58 has on the top of the lirae a fine brown line; this specimen
is uncommonly well preserved, it may be that the species in all its splendour, vvill be always
marked in the same manner, but that this colour is commonly rubbed off. The specimen from
Stat. 95, from the exceptional depth of 522 M. is a young worn shell and may not have lived
at this depth.

11. Pleurotoma (Hemipleurotoma) vertcbrata Smith.

Smith. Ann. and Mag. Nat. Hist. Ser. 4, Vol. XV, 1875, p. 416.

Smith. Proc. Zool. Soc. Lond. 1879, p. 186, PI. 19, fig. 6, 6a.

TRYON. Man. of Conch. Vol. VI, p. 170; PI. 3, fig. 29, 29a (violacea pars?).

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, coarse sand with shells, 1 Spec.

The specimen is small, about 6 Mill. ; it probably would be broader, even than Smith's
fig. 6, if adult ; the species has been considered by many authors as synonymous with or as a
variety of P. violacea Hinds, the Siboga-specimen, which has been identified by its author,
seems to differ sufficiently from young specimens of violacea, being much less slender, even
though it appears to be slightly variable in this respect. The sculpture appears also to differ con-
siderably, but the only specimen is too small, to be fit for close comparison.

12. Pleurotoma (Hemipleurotoma) sp.

Stat. 260. Near South point of Nuhu Jaan, Kei-islands. 90 M. Sand, coral and shells. 1 Spec.

This specimen is probably young and certainly too bad for description, it belongs to
the same alliance as the two preceding species.

37

■ 1 [ombron & Jacquinot.

. .. J i 5ud, Vol. V, p. in, pi. . 20.

1

ai h. Vol. \ I. p
. ii. Ann. .nul Mag. Nat. II XIII, 19041 p.

M. ( ...ii 1 sand. ; Spec.
•. I oml M. and less. Mud, coral and coralsand. 1 Spec.

ir South fort. 55 M. Mud with p fine coralsand. 4 E

ra-bay. NI. Fine grey san nd with shells and stones. 5S

St.it. 53. 1 si, Sumba. Up to j6 M. Coralsand. 1 spec.

.:. 71. Up \2 M. Mud, sand with mud, coral. 1 Spec.

\o' E. Sulu-archipela M. Stony bottom. 2 Spec.

V. 121 19 E. Sulu-archipeli M. Coral botton. 3 Spec.

.t. 114. Kwandang-bay-entrance. 75 M. Hard sand, very fine. 5 Spec.

Kwandang-bay-entrance. -2 M. Fine sand with mud. 6 Spec.
11 S., 127 25 E. Near Batjan. y>j M. Mud. stones and coral. 1 S]

. 130 5'-3 E. Xear Waigeu. 469 M. ( oarse sand and broken shells. 1 Spec.
59'. 1 S., I-".) 48 '.8 E. Halmahera-sea. 411 M. 2 Spec.

5., I30°47'.5 E. Xear west New-Guinea. 32 M. 4 Spec.
it. 174. Waru-bay, north coast of Ceram. 18 M. Mud. 2 Spec.

[3. Saleyer. Up I I. Coralreefs, Mud and mud with sand. 1 Sp

North point of Nuhu Jaan, Kei-islands. 90 M. Sand, coral and shells. 2 Spec.
tst of Timor. 34 M. Limit between mud anti coral. 5 Spec.
14. io°i2'.2S., 1 -4-7 .3 I'".. Timor-sea 73 M. Soft mud with very fine sand. 1 Spec.
S., 122 5 ; .5 E. Savu-sea. 247 M. Sandy mud. 5 Sp
I of Dan i-bay. Up to 36 M. Sand, coral and mud. 3 Spec.

Though the species is rather variable in colour and even slightly in sculpture, none of

imens 1 sufficiently with /'. gemmata I linds, as described and figured by Rnvi.

the whorl by do means so strongly concave between two keels, so I have foliowed Smith (1. c.)

in naming them /'. fusca\ tlie specimen from Stat. 156 is very doubtful, being a worn shell,

whicl ver in shape with typical P. fusca, as figured by Tryon. Mr. Smith, whom

I wx question, persists in nis opinion, that the two forms are separable and that

nmata is Californian. May it be that /'. gemmata of many authors is not the same

lat of llr 5 »me very young specimens are of course rather doubtful.

14. Pletirotom nut la) monilifera Pease.

Proc. Z . Lond. 1 ■'• o, p. 398.

Wl . Martini-Chemn. Conch. Cab. Ed. II, Vol. IV. Pleurotoma, p. 73, PI. 15, fig. 7,9.

Man. of Conch. Vol. VI, p. 17;, PI. 4. fig. 52 {gemmata pa

i idjot, Lombok. 22 M. and less. Mud, coral and coralsand. 1 Spec.

i-bay, Tanah Djampeah. Up to 32 M. Coral. coralsand. 1 Spec.
I Kwandang-bay-entra 1 M. Fine sand with mud. 2 Spec.

Is ofWowoni and Buton, western entrance of Buton-strait. 75— 94M.

Sand with dead shells. 2 Spec.

North point of Nuhu Jaan, Kei-Clan I I and shells. 4 Spec.

: - ; lec.

4°3

Though the specimens vary slightly, they are without doubt separable from the preceding
species, many of them are rather juvenile.

15. Pleurotoma (Gemnutla) Kicneri Doumet.

DOUMET. Magasin de Zool. 1840, PI. 10.

REEVE. Conch. Ie. Vol. I, Pleurotoma, fig. 56 {carinata).

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 15, PI. 3, fig. 1

(carinata).
TRYON. Man. of Conch. Vol. VI, p. 173, PI. 4, fig. 49 (carinata).
SM1TH. Ann. and Mag. Nat. Hist. Ser. 6, Vol. XVIII, p. 367.

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, coarse sand with shells and stones. 2 Spec.

Stat. 166. 2°28'.5S., i3i°3-3 E. Arafura-sea. 118 M. Hard, coarse sand. 1 Spec.

Stat. 212. 5°54'.5S., 1200 I9'.2 E. Banda-sea. 462 M. Fine grey and green mud. 2 Spec.

Stat. 260. Near North point of Nuhu Jaan, Kei-islands. 90 M. Sand, coral and shells. 1 Spec.

Stat. 294. io°I2'.2S., I24°27'.3E. Timor-sea. 73 M. Soft mud with very fine sand. 2 Spec.

Stat. 306. 8°27'S., 1220 54'. 5 E. Savu-sea. 247 M. Sandy mud. 4 Spec.

The specimens from deep water differ slightly from the other ones, those from Stat. 2 1 2
have the infrasutural keel less developed, in those from Stat. 306 on the contrary, the sculp-
ture is very strong and especially such specimens with short (broken) canal, remind the next
species, these specimens are without the usual brown markings, and though this may largely
be due to their being dead shells, it seems that the great depth may account for it, for even
in the best preserved specimen, I see no tracé of it, except in the infrasutural keel and perhaps
in one or two of the interstices of the beaded keel. (Cfr. Smith. 1. c. p. 368).

16. Pleurotoma (Gemmula) congener Smith.

Smith. Ann. and Mag. Nat. Hist. Ser. 6. Vol. XIV, 1894, p. 160, PI. 3, fig. 4, 5.
Ann. and Mag. Nat. Hist. Ser. 7. Vol. XIII, 1904, p. 456.

Stat. 5. 7°4Ó'S., ii4°3o'.5E. Bali-sea. 330 M. Mud. 1 Spec.

Stat. 139. o°u'S., I27°25'E. Near Batjan. 397 M. Mud. stones and coral. 2 Spec.

The specimen from Stat. 5, though the canal seems to be broken, has a length of
62 Mill., the greatest length recorded by Smith ; another from Stat. 139 is even 66 Mill., the
second specimen has a swelling on the upper part of columella.

17. Pleurotoma (Gemmula) praesignis Smith.

SMITH. Ann. and Mag. Nat. Hist. Ser. 6, Vol. XVII, 1895, p. 4, PI. 1, fig. 4.
Ann. and Mag. Nat. Hist. Ser. 7, Vol. XVIII, 1906, p. 161.

Stat. 45. 70 24' S., 1 180 15'. 2 E. Flores-sea. 794 M. Grey mud with some radiolariae and diatomes.

2 Spec.
Stat. 159. o°59'.iS., I29°48'.8 E. Halmahera-sea. 411 M. Coarse sand. 1 Spec.

The specimen from Stat. 159 is very young, the. nuclear whorls of another young
specimen from Stat. 45, though not quite intact, seems to consist of about 2 smooth, rather

39

■»"•»

ither ones with rather coarse, slightly < »1 .] i< | n< ■ ribs, which are aol crowded
the suture.

truncata n. sp. PI. XXVI, fig. i.

i M. Solid bluish grey mud with foraminifera,

red by a 5 cM. thick layer of brown mud. 4 S|

Shell shortly fusiform, very thin, whitish under a yellowish epidermis. Upper whorls
wanting bj erosion, remaining whorls 5, angularly convex, separated by .1 conspicuous undulated
suture; upper part of whorls concave, lower part slightly convex, sculpture consisting of strongly
ed ribs, more conspicuous in upper whorls, becoming fainter in last one, where they nearly
disappear and have more the character of strong growth-lines below the periphery; on the
upper whorls these ribs form tuberclès on the fasciole, becoming more foldlike on the lower

the whorls are crossed by numerous spirals, forming a subsutural rib, which on upper
whorls is more conspicuous and adorned with small beads, corresponding to the upper ends 01
the ribs, the excavation and fasciole are finely lirate; on the basal half of each whorl, the lirae
are coat pecially on last whorl, where they are irregular, with some intermediate ones.

Last whorl strongly contracted below periphery, ending in a short, wide canal, slightly directed
to the left. Aperture oval, with a moderately sharp angle above and a very wide but not deep
sinus at the periphery; peristome thin; columellar margin with a conspicuous white layer of
enamel. Operculum thin, corncous, with basal nucleus.

Alt. 10. lat. S: apert. alt. 9, lat. ;,! , Mill.

This remarkable species is more or less variablc in sculpture, as far as concerns the
strength of ribs, tuberclès and spirals, but three of them agree in every important particular,
in the fourth, a young shell, some characters are obliterated. rhough the species may belong
to the alliance of /'. praesignis Smith and rotatilis v. Marts., it is impossible to combine it
with any of the described species.

19, Pleurotoma (Gemmula) Sibogae n. sp. PI. XXVI, fig. 2.

t. 157. Channel between Makjan and Halmahera. 472 M. Fine dark muddy -and. 1 S

Shell broadly fusiform, with acute, conical spire and strong, angular last whorl, thin,

whitish. faintly yellowish on the keel, between the nodules. Whorls 11, bul the number may

be considerably more. as the upper nuclear whorl seems to be wanting and the shell bas the

arance of being not adult. One upper nuclear whorl (or 2) smooth, convex, foliowed by

'v another whorl, with rather remote ribs; subsequent whorls concave above the keel, with

a m ly strong infrasutural keel and 1 or 2 other spirals in the excavation between suture

and keil; the infrasutural keel becomes fainter and is scarcely if at all traceable on lower

re on the contrary the number of spirals increases, so that on last whorl of the

•1 their number amounts to h and two very narrow one. jusl above the keel; this latter

narrow, composed of 3 narrow superficial spirals, more conspicuous between the nodules,

40

4°5

perhaps rubbed off on the nodules themselves. Below the keel the last whorl is very convex,
but soon contracted and passes into a slender, moderately long canal ; the whole lower part of
this whorl is lirate, irregularly on body, where 2 lirae are stronger, more regularly on canal ; total
number of these lirae about 35, but on base of tail too faint to be properly counted; moreover
a few narrow intermediate ones below periphery, and the whole shell exhibits very fine growth-
striae. The nodules on the keel are rounded, slightly compressed, not very numerous, 24 on last
whorl. Aperture triangular with an angle above and at the keel ; interior of aperture white,
smooth, columellar side enamelled, peristome thin, broken.

Alt. 27Y0, lat. n3/.],; apert. alt. with canal i4s/4, lat. 4lj„ Mill.

It is not without some hesitation that I describe this new species on a probably incom-
plete specimen, but as the number of species in the section to which it belongs is not over-
whelming, I think it may afterwards be recognizable if adult specimens are captured. lts nearest
ally may be P. carinata Gray, as defined by Smith (Ann. and Mag. Nat. Hist., Ser. 6,
Vol. XVIII, 1896, p. 368), which should be the same as P. spcciosa of Reeve, Weinkaüff and
Tryon. It differs-by the large number of spirals, of which there are but from 1 to 3 in Gray's
figure, on Plate 23 of his "Mollusca" in the "Animal Kingdom", Vol. XII, though the peristome
of that figure seems to indicate a larger number of lirae. In Reeve's figure (Conch. Ie. fig. 9)
the number of keels is likewise much smaller, on the contrary the nodules of keel are much
more numerous than in the new species, the same is the case with Weinkauff's figures (Jahrb.
Deutsche Mal. Gesellsch. 1875, pi. 9, fig. 2, and Martini-Chemn. Conch. Cab. Ed. II, PI. 15, fig. 5).

Dolichotoma Bellardi.
1. Dolichotoma atractoides Watson.

WATSON. Journ. Linn. Soc. Lond. Vol. XV, 188 1, p. 407.

WATSON. Voy. Challenger, Gasterop. p. 301, PI. 20, fig. 8.

SOWERBY. Proc. Mal. Soc. Lond. Vol. I, 1893, p. 38.

BOETTGER. Nachrichtsbl. Deutsche Mal. Gesellsch. 1895, p. 6.

V. MARTENS. Die beschalten Gastrop. d. deutsch. Tiefsee-Exp. 1S98 — 1S99, 1903, p. 86, 87,

PI. 1, fig. 12, 15.
Smith. Ann. and Mag. Nat. Hist. Ser. 7, Vol. XIII, 1904, p. 459.

Stat. 300. io°48'.6S., I23°23'.i E. Timor-sea. 918 M. Fine grey mud. 1 Spec.

The only specimen is very fine and large, its length is 63 Mill., though the nuclear
whorls are not intact, its breadth is 29 Mill.; these measurements surpass by far those of
Watson's specimen (1.4X0.53 in.), that of Smith (47X20 Mill.) and of von Martens' var.
aethiopica (37 X 14 Mill.), the var. obsolescens v. Marts. being still larger (67X22 Mill.) if the
text is correct, the line accompanying the figure is only 57 Mill. and the figure of 72 Mill.
has a breadth of 32 Mill. The Siboga-specimen contains the soft parts, however in too much
contracted state, to say much about them. I see a thick siphon, strong tentacles, the foot is
rounded posteriorly and bears a comparatively small, corneous, thick, oval, concave operculum,
with the nucleus at the right side, its length is about 51/,,, its breadth 3]/3 Mill.

41

SIBOGA-EXPEDITIE XLIX'c. 53

Drillia Gray.

i . / ' . I !

Ki i I ond. 1846, p. .(.

— 1 om :i. Ie. Vol. I. Pleurotoma, i'

WEINKAUFF. Martini-Chemn. Conch. Cab. Êd. II. Vol. IV. Pleurotoma, p. 183, PI.

TRYON. Man. of Conch. Vol. VI, p. [80, PI. 11,

Stat. 285. Near South c".i>t of Timor. 34 M. Limit between mud and coral. Lithothamnion.

1 S]

I owe the identificatiori <>|" this specimen to Mr. Smith, who pronounces ii to 1"- a verj

fine example of cagayanensis \ it is much larger than Reeve's specimen, being 25 Mill. in lenght,

inr though Reeve's figure has the same length, it is according to text i]/.2 times magnified,

over it is more elongated, the tubercles of the upper part of ribs are less conspicuous, the

colour is yellowish-white, with tracés of red-brown spots near the aperture, especially one rather

blotch below the suture, at some distance from tlie sinus. This species belongs to the

section Brachytoma, often written Brachystoma, the first orthography being employed \>y Tryon

on page 155. the second on page 17') of his Manual; Boettger (Nachrichtsbl. d. I). Mal.

llsch. 1895, p. <> says Brachystoma, Cossmaxn (Lssai de l'aléoconchologie, part II, pag. 62)

hytotna non Brachystoma. A worse evil is that the limits of the sections are so ill-defined,

that no two authors agree in referring the species to one section or to another, under such

circumstances I thought it letter not to quote them at all.

2. Pril! ia interrupta Lamarck.

Lamarck. An. s. vert. Ed. II, Vol. IX. p. 347.

KlENER. Coq. Viv. Vol. I\', Pleurotoma, p. 32, PI. 12, fig. 2.

REEVE. ("iich. 1c. Vol. I. 1'lcurotoma, fig. 51.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 129, PI. 29, fig. 1.4.

TRYON. Man. of Conch. Vol. VI, p. 181, PI. 10, fig. 68, j6.

Stat. 240. Panda. 9 — 45 M. Plack sand, coral, Lithothamnion. 5 Spec.
This species, according to B u in, ir (1. c, p. 7), should be P. vibicina of Helbling.

3. Drillia flavidula Lamarck.

Lamarck. An. s. vert. Ed. II, Vol. IX, p. 346.

KlENER. Coq. Viv. Vol. IV, Pleurotoma, p. 30, PI. (\ fig. 2.
REEVE. Conch. Ie. Vol. I. Pleurotoma, fig.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV. Pleurotoma, p. 45, PI. 10, fig. 1,2.
I. Man. of Conch. Vol. VI, p. 177, PI. [O, fig. 56.

it. 1 1''. West of Kwandang-bay-entrance. 72 M. Fine sand with mm!. 1 Spcc.

north point <>f Nuhu Jaan, Kei-islands. 90 M. Sand, coral and shells. 1 Spec.

both specimens are young, dead shdls, nol very typical, I need not say that thej
ibtful.

4°7

4. Drillia zonata (Gray) Reeve, var.

REEVE. Conch. Ie. Vol. I, Pleurotoma, fig. 74 (type).

Stat. 303. Haingsisi, Samau-island. Up to 36 M. Lithothamnion. 1 Spec.

The only specimen is a young, empty shell, and without Mr. Smith's assertion, I should
not have recognized it as belonging to that species. It is reddish brown, with white upper
whorls, light coloured near the base and on the ribs, but I can tracé no clark zone, as figured
by Reeve. It is too incomplete (young) to give it a varietal name, length only 2 1 Mill., moreover it
is possible that it might have been more typical if adult. It have not quoted the figures of
Weinkauff or Tryon, that of Tryon being a copy of Reeve's fïgure, Weinkauff's figure
agreeing no more with the Siboga-shell ; both authors consider this species to be a synonym
of D. flavidula.

5. Drillia theoreta Melvill.

Melvill. Ann. and Mag. Nat. Hist. Ser. 7, Vol. IV, 1899, p. 85, PI. 1, fig. 2.

Stat. 51. Madura-bay, 69 — 91 M. Fine grey sand, coarse sand with shells and stones. 1 Spec.

Stat. 133. Lirung, Salibabu-island. Up to 36 M. Mud and hard sand. 1 Spec.

Stat. 260. Near North point of Nuhu Jaan. Kei-islands. 90 M. Sand, coral and shells. 2 Spec.

The specimen from Stat. 133 has the normal length of 22 Mill., one specimen from
Stat. 260 is very small (about 11 Mill.) the other is young, all the specimens are dead and
more or less bleached, but they have the maculations on the ribs.

6. Drillia robusta Hinds.

HlNDS. Proc. Zool. Soc. Lond. 1843, p. 39.

Reeve. Conch. Ie. Vol. I, Pleurotoma, fig. 204.

Weinkauff. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 184, 215, PI. 36,

fig. 7, PI. 40, fig. 15.
TRYON. Man. of Conch. Vol. VI, p. 180, PI. II, fig. 10.

Stat. 71. Makassar and surroundings. Up to 32 M. Mud, sand with mud, coral. 2 Spec.

The specimens are less angular than Reeve's figure which has been twice copied by

Weinkauff.

7. Drillia subangusta n. sp. PI. XXVI, fig. 3.

Stat. 159. o°59'.iS., I29°48'.8E. Halmahera-sea. 411 M. Coarse sand.

Shell narrowly elongate, fusiform, very light yellowish white. Whorls 9, of which about
ï1/.-, form a slightly swollen, smooth nucleus, subsequent whorls convex, separated by an undulated
suture, which is accompanied by a spiral rib, conspicuous on upper whorls, becoming fainter
lower on, nearly disappearing towards last whorl, upper part of whorls with a rather narrow excava-
tion, wider but shallower on lower whorls, excavation sculptured with waved concentric striae

43

and very fine spiral striae, lower part of whorls with strong rounded ribs, io 01 lasl whorl,

by from ;, to 4 spiral lirae on lower whorls, [9 on lasl one, oi which the upper 6 are

the lower om-s on base and canal crowded, <>n the ribs the upper lirae are

then t li « - Hbs disappear. Aperture narrowly elongated, peristome broken, upper sinus

probablj wide, columellar margin slighdy concave above, with a tubercle at sinus, straight

canal wide, slighdy upturned, interior of aperture white

Alt. 15, lat. about 41 ,; apert. alt. 5' „ lat. about 2 MUI.

1 bough this specimen is not quite complete, its shape is too pe< uliar to n< d< 1 1 it.
Mr. Smith who compared it for me, says it is allied to bul differenl from angusta Smith
(Ann. Mag. Nat. llist. Srr. 4, Vol. XIX, [877, p. 495); that species is still narrower, has a
considerably larger number of ribs on last whorl (15) and has 5 or 6 spiral grooves on upper
whorls, with 5 or 6 nodules on rihs, (only 2 <>r 3 in the new specii

8. Drillia laterculata Sowerby, var.

SOWERBY. Proc. Zool. Soc. Lond. 1870, p. 253.

urn. Moll. Zool. Coll., -Alert" 18S4, p. 2S, PI. 4, fig. E. E 1.

. 162. Between Loslos and Buton-islands, West of Salawatti. 18 M. Coarse and fine sand
with clay and shells. 1 Spec.

The specimen is smaller (tó Mill.) but otherwise agrees rather well with figure E 1 of
mi and with his description of the variety.

9. Drillia incerta Smith.

SMITH. Ann. and Mag. Xat. Hist. Ser. 4, Vol. XIX, 1877, p. 496.

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, co.irsc sand with shells and stones. 1 Spec.

This specimen, also identified by Mr. Smith, is smaller (19 Mill. instead of 25) probablv
net full-grown, with the lirations less numerous, as it is moreover bleached, (though light yellowish-
brown) and not (piite typical, it is unfortunately not fit for figuring this still unfigured species.

10. Drillia rubidofusca n. sp. PI. XXVI, fig. 4.

t. 240. Banda. 9 — 45 M. black sand, coral, Lithothamnion. 1 Spec.

Shell fusiform, rather solid, uniformly red-brown, lighther behind peristome and at the sutural
sinus, and with orange base. Whorls 6, (apex broken; the number of whorls may have been
at least 10) rather convex, slightly excavated below the conspicuous suture, which is accom-
panied by an inconspicuous infrasutural thread. Sculpture consisting of somewhal oblique ribs,
neari ing the entire whorl in the upper ones, but becoming obsolete in the infrasutural

■il of lower whorls, about 15 ribs on last whorl, of which the ventral ones are obsolete,
that behind the peristome very strong, varix-like, moreover the shell is covered with fine
and very fine spiral striae, only visible under a lens, 6 spiral lirae cross the ribs,
in m with intermediate, much finer lirae and 3 to 4 very faint ones in the excavation ;

44

409

on the last whorl the number of principal lirae amounts to 20. Aperture oblong, narrow, with
thin peristome, protracted about the middle, with a deep, rather wide sinus above (fig. 1 ,) columellar
side with a thick layer of enamel, with a flat, whitish tubercle above at the sinus, straight
below, peristome margined with red-brown interiorly, with a light violet layer of
enamel behind, in the depth again red-brown, upper part of columellar layer red-
brown. Canal slightly upturned.

Alt. 18 (may have been 20), lat. ó1/^ apert. alt. from upper part of sinus
to base of canal S1/*,, lat. 2a/s Mill.

Though this only specimen is incomplete, it seems to deserve description.
It has some superficial resemblance with Pleurotoma (Drillia) castanea Reeve,
by its shape and colour, but it differs in sculpture, is less angular, D. castanea
being according to description smooth, with fine grooves at the base, Weinkauff's
description and figure of that species (Conch. Cab. Pleurotoma, p. 102, PI. 22,
fig. 46) scarcely agree with those of Reeve, as his shell is "spiraliter liratula",
which should better agree with the Siboga-specimen. I can scarcely believe that DriiUa ruUdo-
the differences could depend on age, as Weinkauff suggests, at least the upper
whorls in my specimen are likewise lirate, Weinkauff's figure represents a much broader angular
shell, more strombiform.

11. Drillia pagodaeformis n. sp. PI. XXVI, fig. 5.

Stat. 159. o°59'.iS., i29°28'.8E. Halmahera-sea. 411 M. 1 Spec.

Stat. 256. 5°26'.6S., I32°32'.5E. Near Kei-islands. 397 M. Greyish green mud. 2 Spec.

Shell elongately fusiform, moderately solid, light yellowish-brown, lighter on the canal.
Whorls about 1 1, of which about \lJ„ form a smooth, inflated, laterally-inclined nucleus. Postnuclear
whorls angular, very convex, separated by a linear, undulated suture, accompanied by a faint
infrasutural rib, more conspicuous on upper whorls ; upper part of whorls conspicuously exca-
vated, lower part with strong, short, nodulous, oblique ribs, abruptly ending at the excavation,
scarcely reaching the basal suture in lower whorls. There are 3 faint, raised, spiral lirae in
the excavation, crossed by elegantly curved, partly riblike striae, 4 to 5 stronger lirae crossino-
the ribs, with a few faint striae above them on the limit between ribs and excavation in lower
whorls; on the penultimate whorl, another liration appears at some distance above the suture,
amounting to 3 rather remote, strong lirae on last whorl, and a large number (about 20) on
basal part of last whorl and canal ; body-whorl strongly attenuated below, ending in a long,
slightly curved canal. Aperture ovate, probably with a rather wide, deep sinus (the peristome
is broken), columellar margin concave above, strongly contorted below, with a thin layer of enamel.

Alt. 288/4, lat. 8; apert. alt. 1 21/,, lat. about f/z Mill.

The specimen from Stat. 159 has the lirae in the excavation somewhat more apparent,
which may be due to its being a dead, calcified shell; one of the specimens from Stat. 256 is
young and very bad, that which has served for description, though incomplete, seemed to be
remarkable enough to deserve a name, for though broken, it is a rather fresh shell, the great

45

depth may be t li * - truc one, as the depth "t the two localities does nol differ considerably.
This sp' ■ remarkable for its pagodaeform shape, caused by the great contrast between

the upper and lower part >>t" whorls.

i 2. Pril/ia varit osa R< e\ e.

Kmai. Proc. Zool. Soc. Lond. 1843, p. is-,

Conch. Ie Vol. 1. Pleurotoma, fig. [41.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II. Vol. IV. Pleurotoma, p. 85, PI. [8,fig.6, 11.
Tryon. Man. of Conch. Vol. VI, p. 205, PI. 1 17.

St.a. i th-bay, Biaru-island. 36 — 27 M. Stone ;m<l Lithothamnion-bottom. 1 Spec.

Stat. 133. Lirung, Salibabu-island. Up to 36 M. .Mud and hard sand. 1 Spec.

Stat. 313. East of Dangai Besar, Saleh-bay. Up to 30 M. Sand, coral and mud. 2 Spec.

The specimens are not quite adult, those from Stat. 1:3 and 133 aremoreover bleached,
however they agree with the upper whorls of more complete specimens.

1 ;. Drillia sinensis Hinds.

HlNDS. Proc. Zool. Sec Lond. 1S43, p. 38.

dl. Ie. Vol. I, Pleurotoma, fig. 153.
WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. yj, PI. 10. fig. 5.
TRYON. Man. of Conch. Vol. VI, p. 201, PI. II, fig. 84.

Stat. 2. Madura-strait. 56 M. Grey mud with some radiolariae. 1 Spec.

Stat. 51. Madura-bay. 69—9] M. Fine grey sand; coarse sand with sliells and stones. 2 Spec.

Stat. 71. Makassar and surroundings. Up to 32 M? Mud. -and with mud, coral. 1 Spec.

Stat. jj. Borneo-bank. 59 M. Fine grey coralsand. 1 Spec.

Stat. 153. 0°3'.8N., I30°24'.3 E. Bougainville-strait. 14 M. Fine and coarse sand with dead

shells. 1 Spec.
Stat. 102. Between Loslos and Broken-islands. West of Salawatti. 18 M. Coarse and fine

sand witli clay and shells. 1 Spec.
Stat. 205. Lohio-bay, Buton-strait. 22 M. Sandy mud. 1 Spec.

Stat. 260. Xe. ir North point of Xuhu Jaan. yo M. Sand, coral and shells. 1 Spec.
Stat. 2S5. South coast of Timor. 34 M. Limit between mud and coral. 3 Spec.
Stat. 313. East of Dangar Besar, Saleh-bay. Up to 36 M. Sand, coral and mud. 3 Spec.

Varying in colour from yellowish to more dark red-brown, hut quite agreeing in sculp-
ture, the specimen from Stat. 162 is a very fine colour-variety, with a white zone at the angle,
below the periphery of last whorl and a narrower one on the canal. The quoted figures are
nol very satisfactory, still less so the synonymy given by Tryon, who throws together even
very different forms. The specimens trom Stat. 2 and 153 are young and dead and could only

■ rl with moderate certainly by comparison with the upper whorls of adult ones.

14. Drillia Aesopus n. sp. PI. XXVI, fig. 6.

Stat. 114. Kwandang-bay-entrance. 75 M. Hard sand, very fine. 1 Spec.

Stat. 116. West of Kwandang-bay-entrance. ~ 2 M. Fine sand with mud. 3 Spec.

■11 fusiform, with long, acute spire, yellowish-brown, alternating with red-brown. Whorls

4ii

13 or 14, of which at least 2 (uppermost whorl broken) form a smooth nucleus, with scarcely
convex whorls, probably about half a whorl with only a few smooth ribs must still be reckoned
to the nucleus. Remaining whorls with a rather strong, nodulous, bilirate, infrasutural rib,
red-brown in the interstices of nodules, below this is a rather narrow excavated spacè, with 5
spiral threads and faint, descending, red-brown fiammules, corresponding to the interstices of
the subsutural nodules, lower part of whorls with slightly oblique, rather numerous ribs, 1 7 in
number on penultimate whorl ; the ribbed zone is convex, angular above, crossed by 4, on
lower whorls by 5 rather flat, stronger, spiral lirae and between these 2 fainter spirals, the
shell has moreover rather strong growth-lines, making the interstices between the ribs granular,
these interstices are more or less red-brown ; on last whorl, which is contracted below and ends
in a rather short, recurved canal, the ribs become fainter below periphery ; near and on the
canal the clarker colour reappears in a fainter way ; the last whorl is humpbacked by a strong,
oblique varix, even continued in a fainter manner on the canal, this last whorl with canal is
crossed by about 20 principal lirae. Aperture oblong, with a rather deep sinus above, narrower at its
entrance than behind, where it is regularly rounded; peristome rather thin, with a large sinus near
the limit of last whorl and canal, columellar margin tubercled above, then slightly concave, running
nearly straight in the narrow, slightly contorted and upturned canal, it is strongly enamelled,
especially below, where it leaves a conspicuous umbilical slit. Interior of aperture white.

Alt. 32, lat. 9%; apert. alt. 12, lat. t,1/2 Mill.

This species has some resemblance with the preceding ones, but may be easily distin-
guished by its sculpture, especially by the single, strong varix on the back, the numerous ribs
and by its colour, most of the specimens are smaller, probably young.

15. Drillia rubrozonata n. sp. PI. XXVI, fig. 7.

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, coarse sand with shells and stones. 1 Spec.
Stat. 285. South coast of Timor. 34 M. Limit between mud and coral. 2 Spec.

Shell small, rather broadly fuaiform, with moderately long spire, subpellucid, whitish,
painted with purplish red-brown. Whorls 9, of which about 3 form a smooth nucleus, with
slightly convex sides and 3 or 4 ribs at the end of last nuclear whorl. Postnuclear whorls
convex, separatecl by an undulated suture, with rather thick, rounded ribs, 9 or 10 in number
on penultimate whorl ; these ribs occupy the whole space of the upper whorls, they are slightly
angular below a narrow infrasutural excavation, especially on last whorl and become less distinct
on base of last whorl, where they disappear at last on the canal. Of the spirals firstly a strong
one, with oblong nodules corresponding to the ribs, border the suture, it is accompanied by a
much finer one in the excavation, 3 rather strong spirals cross the lower part of each whorl,
and amount to about 1 7 on last whorl ancl canal, with eventually a narrow intermediate one
in the interstices of last whorl. The shell has moreover strong, riblike growth-striae, making
the interstices of the ribs somewhat granular. The red-brown colour appears in the interstices
of the nodules of subsutural rib, and between the ribs in the excavation, forming on lower
part of last whorl, 2 more or less distinct bands, one at the periphery, the other at the base
of last whorl, the base of canal is of the same colour, which in some instances occupies nearly

47

I'-

thr wl). •■ between two ril>->. Aperture oval, with .i broad, rather shallow anus at the

suture and .1 very shallow one near the limit of canal, peristome thin, columellar side with a

at the suture, then slightly concave, running nearly straight in the rather short, wide

I; interii perture light violet, with the brown bands of the exterior more or lessvisible,

on the columellar side, which is rather stronglj enamelled.

Alt. i 2, lat. 4 ; apert. alt. 4 \. lat. 1 ' Mill.

This species lus somewhat the appearance of being a miniature of the preceding one
but it is much smaller, lias a smaller number of ribs and of lirae, and no tracé of the gibbous
rib «ui the back, for though one of the ribs, at some distance from the aperture is somewhat
stronger than the other om-s, it lias by n<> means that prominent character as in D. ' opus.
The specimen from Stat. 51 is not adult, one specimen from Stat. 285 is very young.

[6. Drillia rufolineata n. sp. PI. XXVI, fig. 8.

it. 105. 6°8 X.. [21 [9 E. Sulu-archipelago. 275 M. Coral-bottom. 1 Spec.

Shell broadly fusiform, strong, yellowish, painted and spirally lineated with red-brown.
Whorls o, of which about 2 form a smooth nucleus, post-nuclear whorls convex, with an undu-
lated suture, accompanied by a subsutural rib or keel, below this a slight excavation. Sculpture
consisting of strong rounded ribs, crossing, though less distinctly, the. excavation, 10 in number
on last whorl, where they nearly reach the base; one rib at some distance from the peristome, just
bèhind the upper sinus, especially strong and varix-like. The brown colour consists of a faint tinge
in the excavation, a similar zone below the periphery, much more conspicuous between the ribs,
the principal lirae being nearly without exception red-brown, especially 4 of them on last whorl.
Spirals from 3 to 7 on upper whorls and numerous ones on last whorl and canal, which cannot
be divided in principal and secondary ones, the excavation is finely spirally striated, moreover
very fine growth-lirae are visible in many parts, if seen with a strong lens. Aperture elongately
oval, with a broad, moderately deep sinus below the suture, peristome rather thin, with a very
shallow sinus mar the canal, which is short and broad; columellar margin tubercled above,
then slightly concave, then straight and slightly directcd to the left at the canal, strongly
enamelled in its whole length. Interior of aperture light purplish, nearly white near the peristome.

Alt. tó1/., lat. 5 rt. alt. 7, lat. 2 Mill.

This species, which belongs to the alliance of the preceding ones, may be distinguished
by its convexly rounded whorls, which have scarcely a tendency to be angular below the
ivation and by its line red-brown lirae on a more or less clear, yellowish ground.

17. Drillia intertincta Smith.

Smith. Ann. and Mag. Nat. I list. Ser. 4. Vol. XIX. 1877, p. 497.

YYi.ink.ui r. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma. p. 104, PI. 22, fig. 8.

Stat. 47. Bay of Bima, mar Smith fort. 55 M. Mud with patches of fine coralsand. 1 S
Stat. 104. 1 42'. 5 S., i30°47'.5 E. Near West New-Guinea. 32 M. Sand, small stones and shells.
-pee.
it. 313. East <•( Dan ai Bi ;ar, Saleh-bay. Up to 36 M. Sand, coral and mud. 1 Spec.

48

4i3

This species seems to be somewhat variable in sculpture and colour, the spiral lirae of
penultimate whorl, vary in number from 3 to 5 ; in the specimens from Stat. 164, not only the
infrasutural keel is adorned with red-brown dots, but also the principal lirae on many places.
As Tryon, who has probably not known the species, enumerates it amongst his synonyms of
D. sinensis and gives only a rude copy of Weinkauff's rather rude figure, I have not quoted
that author.

iS. Di' il l ia ster r ha Watson.

WATSON. Prelim. Report, Challcnger Moll. Journ. Linn. Soc. Lond. Vol. XV, 18S1, p. 426.
Report of the Challenger-Gastrop. p. 305, PI. 21, fïg. 3.

Stat. 162. Between Loslos and Broken-islands. West of Salawatti. 18 M. Coarse and fine

sand with clay and shells. 1 Spec.
Stat. 164. i°42'.5 S., I30°47'.5 E. Near West New-Guinea. 32 M. Sand, small stones and

shells. 3 Spec.

The upper part of the ribs below the excavation, seems to be a little more angular
than in Watson's figure, and the number of ribs on last whorl of the largest specimen is 14,
otherwise I find no differences of any importance.

19. Drillia rcgia (Beek) Reeve.

REEVE. Conch. Syst. Vol. II, p. 187, PI. 233, fig. 7.

Conch. Ie. Vol. I, Pleurotoma, fig. 75.

Weinkauff. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 75, PI. 16, fig. 1,3.
Tryon. Man. of Conch. Vol. VI, p. 201, PI. 11, fig. 80.

Stat. 66. Bank between Bahuluwang and Tambolungan, South of Saleyer. 8 — 10 M. Dead

coral, Halimeda, Lithothamnion. 1 Spec.
Stat. 315. East of Sailus Besar, Paternoster-islands. Up to 36 M. Coral and Lithothamnion. 1 Spec.

Beck's name was only a manuscript-name, so I have quoted Reeve as the author. The
sculpture is sharper than in Reeve's figure, more like that of Weinkauff. After receiving specimens of
D. Roitgcyroni Souv. (Journ. de Conch., 1874, p. 187, PI.. 7, fig. 1), I scarcely can find diffe-
rences of much importance, which could not be ascribed in part to the state of preservation
of the specimens. Souyerbie's much more detailed description is very well applicable to the
Siboga-specimens. If the two species ought to be united, the name affixed by Reeve should
have priority. Mr. Le Bockton Tomlin (Journ. of Conch. Vol. XIII, 19 10, p. 43) thinks the
two are different.

20. Drillia rad 11 la Hinds.

HlNDS. Proc. Zool. Soc. Lond. 1834, p. 16.

REEVE. Conch. Ie. Vol. I, Pleurotoma, fig. 223.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 90, PI. 19, fig. 4,6.

Tryon. Man. of Conch. Vol. VI, p. 241, PI. 7, fig. 89.

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, coarse sand with shells and stones. 1 Spec.
Stat. 104. Sulu harbour, Sulu-island. 14 M. Sand. 1 Spec.

49

S1BOGA-EXPEDITIE XLIX't'. 54

PI

'. . i -•] 19 E. Sulu-archi| A I ilbottom. 1 :■

: 116. Kwandang-bay-entrancc. 72 M. Fine sand with mud. 1 Sp<

Stat. 162. Bctw< I iken-islands. West of Salawatti. [8 M. l and fine

mikI with clay and shells. 1 Sp
Stat. 164. 1 linea. 32 M. Sand, small stones and shells.

Stal North point of Nuhu Jaan. Kei-islands. 90 M. Sand, coral and shells. 1 E

• ■ specimens slightly vary in sculpture, much more in colour, some specimens are
nearly <>r quite white, however 1 think this may be due to bleaching, as they are dead shells.
I have located the species in Drillia instead of Surcula, though not without hesitation and
after 1 have seen that Hedley (Proc. Austral. Assoc. adv. se. 1909, p. 3651 has done the
same. Unfortunately 1 cannot see that any of the specimens contain the soft parts.

21. Drillia audax Melvill «Sc Standen.

Mi i.\ 11. 1. v\: Standen. Ann. Ma-. Nat. Hist. Ser. 7, Vol. XII, 1903, p. 313, PI. 23, 1
Stat. 306. S°27'S., 1220 54.5 E. Savu-sea. 247 M. Sandy mud. 2 Spec.

The sculpture of the; Siboga-specimens is coarser than that of a specimen from the Gulf
ol Oman presented to me by Mr. Melvill, especially on last whorl, but otherwise I see no
differences of any importance. These differences in sculpture may be partly due to variability,
the localities being very remote, partly be caused by the Siboga-specimens being dead, which
renders sculpture more conspicuous, as long as the shells are not worn.

22. Drillia kwandangensis n. sp. PI. XXVI, lig. 9.

Stat. 114. Kwandang-bay-entrance. 75 M. Hard sand, very fine. 1 Spec.

Shell elongately fusiform, strong, rather dark reddish-brown. Whorls 8, of which 3 form
a smooth, red-brown nuclcus ; post-nuclear whorls slightly convex, strongly lirate below the
suture , with at first 2, lower on 3 strong spiral lirae on each whorl, 14 in numbcr on last
whorl and 2 faint ones below subsutural liration, more or less visible on upper whorls; the
whorls are crossed by tliick, rounded ribs, making the lirae slightly beaded, 9 in number on
penultimate whorl, faint on last one, which has a very strong rib behind peristome, moreover
the shell is crossed by conspicuous growth-lines. Aperture oblong, angular above, peristome
rather thin, with a conspicuous sinus above. tlien protracted towards the middle, columellar
margin concave above, straight below, with a strong layer of enamel, a tubercle above at the
sinus; interior of aperture smooth, red-brown with a bluish tint in its depth. Canal straight,
rather narrow.

Alt. lat. 3; apert. alt. 3, lat. 1 Mill.

Allied to thi ding species, bul differing by its much coarser sculpture, which is

still tronger than in the specimens of audax, recorded above, and by its uniform

brown colour.

5°

4i5

23. Drillia timorensis n. sp. PI. XXVI, fig. 10.

Stat. 285. Near south coast of Timor. 34 M. Limit between mud and coral. Lithothamnion. 1 Spec.

Shell elongately fusiform, strong, reddish-brown. Whorls 7, of which about i}/., form a
smooth nucleus ; post-nuclear whorls moderately convex, with a strong liration below the suture
and from 3 to 4 lirae on their lower part, 1 1 on last whorl, moreover the shell is covered with
fine spiral striae and growth-lines, and is crossed by thick, rounded, oblique ribs, 1 2 in number
on penultimate whorl, which give the shell an elegantly beaded appearance, last rib before
peristome very thick. Aperture elongately oval, peristome thick, with a rather shallow sinus above,
protracted lower on. Columellar margin concave above, rather straight below, with a strong
layer of enamel, interior of aperture as in preceding species, but less bluish. Canal straight,
rather narrow.

Alt. S1/,, lat. 2*/,; apert. alt. 31/,, lat. 1 Mill.

Still nearly allied to the preceding species, from which it differs by a smaller number
of spiral lirae, the fine spiral striae and a larger number of ribs. Though it may be possible,
that if more specimens could be compared, these differences would prove to have only varietal
rank, the spiral striation induced me to keep them provisionally separate. I find no tracé of
it in the preceding form.

24. Drillia batjanensis n. sp. PI. XXVII, fig. 1.

Stat. 139. o°ii'S., i27°25'E. Near Batjan. 397 M. Mud, stones and coral. 1 Spec.

Shell fusiform, strong, whitish. Whorls 6, of which 3 form a large, convexly-whorled,
smöoth and shining nucleus. Post-nuclear whorls moderately convex, slightly concave below a
strong, yellowish, subsutural spiral. Sculpture consisting of this spiral and some other ones, 7
in number on penultimate, 22 and a few intermediate ones on last whorl, stronger on lower
part of upper whorls and on median part of last one ; the spirals are crossed by conspicuous
growth-striae, stronger in the interstices, which are broader near the base. Aperture oval, angular
above, peristome strong, with a rather wide, deep sinus above, protracted lower on, bordered
exteriorly by a strong, rounded rib ; columellar margin slightly concave above, nearly straight
below, with a strong layer of enamel, forming a wall at its upper extremity, bordering the sinus;
canal rather wide, slightly directed to the left, interior of aperture smooth, white.

Alt. 7% lat. 31/,; apert. alt. 31/,, lat. 1 Mill.

This species, which with the 3 preceding ones forms a somewhat peculiar group, has
some resemblance with D. circumvertens Melv. & St. (Proc. Zool. Soc. Lond. 1901, p. 436,
PI. 23, hg. 23), but a close comparison with the description and figure, gives the following
differences ; that species has 8 whorls, a much smaller nucleus of but 2 whorls, it is keeled,
which cannot be said of the new species, which has the lirae more regular, on the base the
lirae in D. circumvertens are much more close, the total number of lirae however is larger.

25. Drillia Sièogac n. sp. PI. XXVII, fig. 2.

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, coarse sand with shells and stones. 2 Spec.
Stat. 260. Near North point of Nuhu Jaan. Kei-islands. 90 M. Sand, coral and shells. 1 Spec.

5i

adly pyramidal, with short canal, yellowish-white, stained with brown and with

white streaks. Whorls 9, ol which about 2 form a smooth, convexlj whorled,

i nucleus. Subsequent whorls slightly contracted above, not verj convex below,

. bj .1 conspicuous, slightly waved suture; sculpture consisting in the excavation of a

ig liration, single in upper whorls, divided lower <>n by a groove, and correspondinglj adorned

or doublé row of beads, below this, 2 narrow lirae run still in the excavation; lower

part i>f whorls with a larger number of lirae, 6 in penultimate whorl, about 25 in last whorl,

inclusive of canal, with more or less conspicuous intermediate ones in many interstices. These

lirae are crossed 1>\ oblique, on lower whorls by waved ribs, more conspicuous and remote on

upper whorls, closer and fainter on last one, producing beads where they are intercrossing,

the last whorl having the appearance of being more or less regularly bcaded all over. The

brown colour is very irregularly divided, on the infrasutural hand it is nearly continuous but

on the body-whorl darker brown beads alternate with lighter or even white ones. Last whorl

rather convex, attenuated below, ending in a short, rather broad canal. Aperture oval, with a

wide sinus above, peristonie thin, regularly arcuate, columellar margin concave, running in the

canal, which is wide and slightly directed to the left ; interior of aperture bluish white, coluni-

ella with a thin layer of white enamel.

Alt. 15, lat. o; apert. alt. 6'/.,. lat. 21/.. MUI.

I know nu species which is nearly allied to this one, in sculpture it resembles somewhat
D. digitalis Reeve, but not at all in shape or colour.

26. Drillia Dunkeri Weinkauff.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV', Pleurotoma, p. 75, PI. 16, fig. 2.
TRYON. Man. of Conch. Vol. VI, p. [79, PI. 8, fig. 24 [umbilicata jun.).

Stat. 71. Makassar and surroundings. Up to 32 M. Mud, sand with mud, coral. 1 Spec.

The Siboga-specimen is larger than Weinkauff's one, (38 instead of 31 MUI. in Iength .
but otherwise it agrees as well as can be desired, with his description and figure; Weinkauff did
not know its locality. Tryon says (1. c.) it is an immature D. umbilicata Gray, the quoted
localities are "Sierra Leone (Gray); West-Indies (Swift)"; the Siboga-specimen has not at all a
juvenile app e and this circumstance, connecteil with the remote locality, may plead for my

opinion that the two species may stand. As I have seen no other specimens, I cannot insist
on the other important differences in shape and particulars of aperture, between the existing figures.

27. Drillia dejecta Smith.

SMITH. Ann. Mag. Nat. Hist. Ser. 6, Vol. II, [888, p. 306.

Stat. 260. War North point of Nuhu Jaan, Kei-islands. 90 M. Sand. coral and shells, 1 E
Stat. 285. South coast of Timor. 34 M. Limit between mud and coral. Lithothamnion.

7 Spec.

■ imens vary a little in si/e, but they all agree in sculpture.

52

417

28. Drillia interpunctata Smith.

Smith. Ann. Mag. Nat. Hist. Ser. 5, Vol. X, 1882, p. 207.

Stat. 60. Haingsisi, Samau-island, Timor. Shore. 1 Spec.

Stat. 95. 5°43'.5 N., 1 i9°4o' E. Sulu-archipelago. 522 M. Stony bottom. 1 Spec.

The specimens are young, somewhat bleached shells, one of them with only traces of
the brown colour. Mr. Smith, to whom I owe the identiflcation, writes about it : "I cannot
separate this from the young of interpunctata Sm., said to be from St. Thomas. St. Th.
may be wrong. It is a Cumingian locality". The specimen from Stat. 95 probably has not lived
at a depth of 522 M.

29. Drillia opalus Reeve.

REEVE. Conch. Ie. Vol. I, Pleurotoma, fïg. 274.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 209, Pi. 40, fïg. 1.

TRYON. Man. of Conch. Vol. VI, p. 253, PI. 20, fïg. 5.

Stat. 169. Near Atjatuning, West coast of New-Guinea. 57 M. Mud. 1 Spec.

Stat. 294. io°I2'.2S., I24°27'.3E. Timor-Sea. 73 M. Soft mud with very fine sand. 1 Spec.

Tryon places this species in Mangilia, its nuclear whorls agree with those of allied
species of Drillia, being smooth and convex.

30. Drillia auriailifera Lamarck.

Lamarck. An. s. vert. Ed. II, Vol. IX, p. 345.

KlENER. Coq. Viv. Vol. IV, Pleurotoma, p. 51, PI. 2, fig. 2.

Reeve. Conch. Ie. Vol. I, Pleurotoma, fïg. 69.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 54, PI. 12, fig. 2.

TRYON. Man. of Conch. Vol. VI, p. 185, PI. 8, fig. 25.

Stat. 37. Sailus ketjil, Paternoster-islands. 27 M. and less. Coral and coralsand. 3 Spec.
Stat. 282. Between Nusa Besi and N.E.-point of Timor. 27 — 54. M. Sand, coral and Litho-
thamnion. 1 Spec.

The specimens from Stat. 37 are young, quite white, but otherwise typical, that from
Stat. 282 has lost the scales or they are not developed.

3 1 . Drillia unizonalis Lamarck.

Lamarck. An. s. vert. Ed. II, Vol. IX, p. 347.

KlENER. Coq. Viv. Vol. IV, Pleurotoma, p. 54, PI. 22, fig. 2.

REEVE. Conch. Ie. Vol. I, Pleurotoma, fig. 113.

WEINKAUFF. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 62, PI. 13, fig. 5,6.

TRYON. Man. of Conch. Vol. VI, p. 185, PI. 9, fig. 38.

Stat. 125. Near Sa wan, Siau-island. Reef. 1 Spec.

The specimen is quite typical.

53

r . Zool. So Lond. 1845, p. 1 10.
Conch. Ii". Vol. 1, Pleurotoma, fi
\Yi . Martini-Chemn. Conch. Cab. Ed. II. Vol. [V, Pleurotoma, p. 214, PI. 40, ("il;. 13.

. Man. of Conch. Vol. VI, p. 204, PI. 12, fig. 1

Sulu-harbour, Sulu-island. 14 M. Sand. 1 Spa
Stat. ["ual, l\ i-islands. 22 M. Lithothamnion, sand and coral. 1 Spec.

Of this species, the locality of which was not known to the quoted authors, I have
rded subfossil specimens from Celel 1

33. Drillia gibberula Hervier.

Hervd a. d. ( ionch. [895, p. 143.

Journ. d. Conch. 1896, p. 57, PI. 1. fig. 5.

Stat. 109. Near Pulu Tongkil, Sulu-archipelago. 13 M. Lithothamnion-bottom. 1 Spec.

The specimen is less whitish near the sinus, but otherwise agrees in every respect with
the description and with specimens from Lifu.

34. Drillia nitens Hinds.

HlNDS. Proc. Zool. Soc. Lond. 1S43. p. 41.

R.EEVE. Conch. Ie. Vol. I, Pleurotoma, fig. 189.

WE1NKAUFK. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV', Pleurotoma, p. 1S3, PI. 36, fig. ;.

TRYON. Man. of Conch. Vol. VI, p. 253, PI. 20, fig. 2.

2. Madura-strait. ;<• M. Grey mud with some radiolariae. 1 Spec.
Stat. 66. Kambaragi-bay, Tanah Djampeah. Up to 32 M. Coral, coralsand. 2 Spec.
.t. 114. Kwandang-bay-entrance. 75 M. Hard sand, very line. 1 Spec.

Without Mr. Smith's assistance I should not have identified the specimens, as the quoted
ULrures seem to bc not characteristic, those of Weinkauff and TRYON are more or less accurate

of Reeve's figure. The ribs are not so strongly angular as figured by Reeve, 1 see no
whitish band. The species appears to be rather variable in number of ribs and in their being
more or less rounded. Tryon Iocates the species in Mangilia.

. Drillia suluensis n. sp. PI. XXVII, fig. 3.

Stat. 95. 5 43.5 X-, ri9°40'E. Sulu-archipelago. 522 M. Stony bottom. 2 Spec.

Shell shortly fusiform, smooth, shining, white. Whorls 6 to 7, of which about 2 form

a smooth, convexly-whorled nucleus, subsequent whorls slightly convex, with a narrow depression

v the simple suture, lower part with rather strong, rounded ribs from suture to suture.

:i penultimate whorl, fainter in the excavation, which latter as wel! as the ribs dis

■ whorl, with the exception of a strong rib behind the peristome, this latter whorl

lightly compressed, with ,1 tracé of a second rib or indistinct varix on the

54

419

left side of whorl, which is contracted below, with a few indistinct spiral lirae near base;
the whole shell is covered with very fine growth-striae. Aperture short, oval, with a broad,
rather deep, rounded sinus at the suture, narrower by a strong columellar tubercle ; peristome
thin, though strongly ribbed exteriorly, columellar margin concave, strongly enamelled, base
of aperture ending in a short, wide canal.

Alt. 8. lat. 3; apert. alt. 3, lat. 1 Mill.

This species has been pronounced by Mr. Smith to be allied to but different from D. disjecta
Smith (Ann. Mag. Nat. Hist., Ser. 6, Vol. II, 1888, p. 308). That species is according to description
more slender, with 10 ribs on last whorl, but not costate behind peristome, moreover it is tinged
with brown between the ribs and at the canal, whereas the last whorl of the new species is smooth,
but for a conspicuous rib behind peristome and if quite fresh, it might have been brown behind
that rib, at least I find a very faint tracé (perhaps bleached) of a brownish colour.

36. Drillia madurensis n. sp. PI. XXVII, fig. 4.

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, coarse sand with shells and stones. 1 Spec.

Shell shortly fusiform, rather smooth, light buff, with a few red-brown spots below the
suture of lower whorls and one faint band on those whorls and 3 on last whorl, the canal being
tinted with' the same colour. Whorls 9, of which 2 upper ones form a smooth, convexly-whorled
nucleus. Subsequent whorls convex, 4 or 5 post-nuclear ones slightly angular below, lower ones
becoming more regularly convex. Sculpture consisting of numerous, rather narrow, axial ribs,
about 20 stronger and weaker ones on last whorl, that behind the peristome very strong and
varix-like; these ribs run from one suture to the other on upper whorls, but are faint towards
the base of last whorl, and disappear on the canal, which is spirally lirate; upper part of
whorls very faintly spirally striated. Aperture ovate, with an angle above, but scarcely with a
sinus, peristome thin, slightly curved, columellar margin tubercled above, then regularly con-
cave and conspicuously enamelled; aperture ending in a short, wide canal. Interior of aperture
with a white layer of enamel near peristome and 3 brown blotches at its margin, corresponding
to the external bands.

Alt. 14, lat. io1/»; apert. alt. 5, lat. 2 Mill.

I find no species which is nearly allied, it is remarkable for its numerous ribs and colour.

37. Drillia (Conopletira) striata Hinds.

HlNDS. Voy. Sulphur, Moll. p. 24, PI. 7, fig. 22, 23.

REEVE. Conch. Ie. Vol. I, Pleurotoma, fig. 330 [partita).

Weinkauff. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 127, PI. 28, fig. 5, 8.

TRVON. Man. of Conch. Vol. VI, p. 211, PI. 8, fig. 6, 7.

Stat. 285. Near south coast of Timor. 34 M. Limit between mud and coral. Lithothamnion.
1 Spec.

The specimen of this very peculiar and characteristic species is of an exquisite beauty.
I can scarcely conceive how most authors consider it to have only sectional rank.

55

Borsonia Bellardi.
1. Smithi 11. sp. PI. XXVII, lig. 5.

. > . 1 iw \ I 5a\ ■ 1 M. < il"l"

Shell fusiform, rather thick, yellowish-white. Upper whorls losl by erosion, remaining
whorls ", upper ones still eroded, of the 4 whorls which are in sufficienl state of preservation, the
upper 2 are slightly angular, their upper part a little excavated, the lower part more convex,
with a single ruw of nodules on the limit; in the lower ones the shell is slightly excavated
below the suture, but otherwise regularly rounded, without nodules ; sculptun ting ofnumerous

arcuate striae, with stronger ones at intervals, indicating tl»- margin of the sinus al former
periods, and very faint traces of spiral striae in the excavation of the upper whorls, lower
part of each whorl sculptured with very fine growth-striae, likewise stronger at intervals and
rather weak spiral lirae, of which there are 2 below the angle of the upper sculptured whorl,
2 or 3 on the next, 5 on penultimate and numerous ones on body-whorl. This latter is r<
arly attenuated towards the base and runs in the rather long, large canal, which in its basal part
is free from lirae and only sculptured by fine and groovelike growth-lines. Aperture angularly
ovate, with a moderately sharp angle above, ending below in a rather wide, slightly contorted
canal. Peristome a little broken, probably rather thick, with a wide, rather shallow sinus above,
then regularly arched; columellar margin concave at upper part, along the body-whorl, then
thickened, with an obtuse, oblique fold at the upper part of this thicker one, directed to the
left below. along the canal. Interior of aperture smooth, white, the whole cohunellar side with
a strong layer of enamel.

Alt. 1S, lat. 71/, ; apert. alt. 9, lat. 2-/, Mill.

This species is very remarkable, I know of but one Borsonia from the Indian sea, />'. armata,
described in 1895 by Bot i u;i k (Nachrichtsbl. Deutsche .Mal. Gesellsch. Band 27, p. 1 1 ), which
is howevi r in nearly every respect specifically distinct, the generic description of the columellar
fold agrees very well with the Siboga-shell : "Columella longa, recta et stricta, superne plica
transversa valida, hebeti instructa". Cossmann (Hssai de 1'aléoconch. comp. Vol. 11, p. 96)
gives as cl: ol the genus: "columelle munie d'un ou de plusieurs plis", and gives (1. c.

p. 97) many instances of variability in the number and place of these folds.

Ancistrosyrinx Dall.

1. Ancistrosyrinx travancorica Smith var. granulata Smith.

Sm 1 1 11. Ann. Mag. Nat. Hist. Ser. j, Vol. XIII, 1904, p. 459.

Stat. 95. 5°43'.5 N., 119° 40' E. Sulu-archipelago. 522 M. Stony bottom. 1 Spcc.
tat. 212. 5,54-5-s-, i20°i(j.2i . (.62 M. Fine grey and green mud. 1 Spcc.

Siboga-specimens differ from the type described by Smith (Ann. Mag. Nat. Hist.

Vol. XVIII, 1896, p. 368) figured in the Illustrations, /ooi. "Investigator", Moll. pi. 7,

:. 1-/ by their granular surface of the lower part of body-whorl; that from Stat. 95,

h is the best preserved, has the granules only towards the base of that whorl and on the

al, that from Stat. 212 agrees more with Smith's description of the variety.

56

42 I

2. Ancistrosyrinx pulchella n. sp. PI. XXVII, fig. 6.

Stat. 137. Channel between Makjan and Halmahera. 472 M. Fine, dark, muddy sand. 1 Spec.
Stat. 159. o°59'.iS., i29°48'.8E. Halmahera-sca. 411 M. Coarse sand. 2 Spec.

Shell fusiformly pagodaeform, strongly keeled, yellowish-brown, lighter on the canal,
with a narrow whitish zone below the periphery and another at the fasciole. Whorls 1 1 , of
which nearly 2 form a smooth, convexly-whorled nucleus, subsequent upper whorls nearly smooth,
but with a strong keel, which is at first spinous, the spines being horizontally spreading, but
soon become more or less upturned and have the character of erect trigonal spines, on the
following 3 whorls, spreading again on last one ; spines about 20 in number on last whorl.
Upper part of these whorls concave, the fasciole smooth, but for fine growth-lines; this fasciole
is bordered on the lower whorls by a liration, and the space between this and the spinous
keel is faintly 2- or 3 lirate, the space between the keel and lower suture of whorls is con-
spicuously grooved, grooves 10 in number on penultimate whorl, about 38 on last one, where
some of the upper and many of the basal ones have still intermediate lirae, lacking on the
penultimate and older whorls. On the last part of last whorl, the shell is still sculptured by
strong growth-lines, which, in crossing the interspaces or lirae between the grooves make them
granulous. Last whorl contracted below its periphery, ending in a long, straight canal, which
is strongly attenuated towards its base. Aperture elongately subtriangular, its upper margin
nearly horizontal, with a deep, rather narrow sinus; outer margin joined to the upper one at
a somewhat sharp angle, then slightly convex, thin, slightly fringed, columellar margin concave
along the body-whorl, then running straight in the rather wide, long, nearly rectilinear canal,
with a strong layer of white enamel on its whole length. Interior of aperture smooth, perhaps
slightly grooved at its right margin.

Alt. 25, lat. 9a/2; apert alt., with canal 13, lat. 3 Mill.

This species may be readily distinguished from the preceding one by its sculpture, con-
sisting of deep grooves between flat lirae, of which no tracé in the type of A. travancorica in
lower part of whorls, and even in the var. granulata, the granules are separated by shallow
striae ; the spines of a whorl are more numerous in that species and seem to be less pointed,
though this latter difference may .be due to the state of preservation. Mr. Melvill has (Proc.
Mal. Soc. Lond. Vol. VI, 1904, p. 56, PI. 5, fig. 3) afterwards described another species,
A. orientis, from the Gulf of Oman, which, as that author presumes, seems to be in very
juvenile condition ; even in that juvenile state, it differs from my species by its much stronger
spines and sculpture, as may be clearly seen by comparison with the young specimen from
Stat. 137, which has a length of 9.5 Mill. and has already the spiral sculpture and 17 spines
on keel of last whorl.

Surcula H. & A. Adams.
1. Surcula symbiotes Wood-Mason & Alcock.

Wood-Mason & Alcock. Ann. Mag. Nat. Hist. Ser. 6, Vol. VIII, 1S91, p. 444, fig. 13 <?,/;.
SMITH. Ann. Mag. Nat. Hist. Ser. ö, Vol. XIV, 1894, p. 161, PI. 3, fig. 7, 8.

57

SIBOGA-EXPEDITIE XLIx't'. 55

I - -

; M. 1 nd with somc radiolariae and

diatomes. i Sp

cimen is smalli instead of 57 Mill.), it may not be full-grown, but

es with Smi 1 u's extensive description and his fine figu

2. S Melvilli n. sp. PI. XXVII, fig. 7.

Stal ,8S., 13j.tS.si. \..n Kei-islands. 560 M. Solid bluish grey mud. 1 -

Stat. 300. 1 ■;.! I . Hmor-sea, 918 M- l'm<~ :-;rt-'>' mud. 2 Sp

Shell shortly fusiform, with long spire, thin, light yellowish red-brown. Nucleus wanting,
remaining whorls 11, angularly convex, concave above, lower pari with very oblique, somewhat
.dar ribs, forming smal] tubercles on the upper whorls, thick folds on the lower ones ; these
rili^ are n« .t visible in the excavation, their number is :: on last whorl; the whole shell is
red with fine growth-striae, intermingled with some coarser ones and very numerous, waved,
spiral lirae, as well on the ribs as in the interstices and in the subsutural excavation ; last whorl
rapidly attenuated below periphery, ending in a rather short, relatively very slender canal,
which is nearly white and sculptured with spirals in the same manner as the rest of shell.
Aperture oval, with a Munt angle above, peristome thin, fragile, the sinus according to growth-
lines probably wide, but not very deep. Columellar margin regularly curved, but suddenly
directed to the left, at the entrance of canal, which is contortedly directed to the left ; colu-
mellar margin with a white layer of enamel, interior of aperture brown, smooth.

Alt. 62, lat. 20 ; apert. alt. 241/.,, lat. 8'/, Mill.

This fine "species is allied to S. eurina Smith (Ann. Mag. Nat. I list. Ser. 7, Vol. IV,
1899, p. 239; Zool. 111. Investigator, Moll. PI. 9, fig. 4), but the folds are more numerous
than in that species, which lias a much thicker, straighter canal and a shorter spire, a thickened
infrasutural margin. .S'. margaritae Smith, which I found somewhat similar in shape of spire
and ribs, has a considerably longcr last whorl, inclusive of canal. The specimen from Stat. 262
is a smaller, much worn shell, of somewhat doubtful character.

3. Surcula supracostata n. sp. PI. XXVII, lig. 8.

Stat. 45. 7°24'S., ii8°i5'2E. Flores-sea. 794 M. Fine grey mud with somc radiolariae and
diatomes. 2 Spec.

Shdl fusiform, with short canal, thin, shining, light yellowish-white. Nucleus wanting,

remaining whorls 8, nearly regularly convex, very slightly exavated below the conspicuous but

shallow suture in lower whorls, mon- so in upper ones. Sculpture consisting in the upper whorls

ol' thick axial ribs, disappearing on the sixth whorl, which is 9-ribbed, the lower whorls are

ly smooth, but are sculptured under the lens by fine, strongly waved growth-lines, more

ipicuous at irregular intervals; the whole shell crossed b) verj faint spirals, scarcely visible

on the upper part of whorls, stronger on the lower part, having the appearance of crowded

inal. Last whorl regularly attenuated below, ending in a short, wide canal. Aper-

53

ture elongately oval, angular above, peristome with a wide but shallow sinus at the suture,
then strongly protracted ; columellar margin nearly straight, covered by a thin layer of enamel.

Alt. 32, lat. ii; apert. alt. 16, lat. 5 Mill.

I find no nearly allied species: this new one is remarkable for the difference in sculp-
ture of the upper and lower whorls.

4. Surcula timorensis n. sp. PI. XXVII, fig. 9.

Stat. 300. io°48'.6S., 123° '23 '.1 E. Timor-sea. 918 M. Fine grey mud. 1 Spec.

Shell elongately fusiform, with rather short canal, thin, dirty white. Nucleus wanting,
remaining whorls 9, divided in 2 parts, of which the upper part is excavated, slightly convex
in itself in last 2 whorls, the lower part of each whorl with rounded, oblique axial ribs, dis-
appearing on last whorl, where there are only traces on ventral side, 1 1 in number on penult-
imate whorl. The finer sculpture consists of fine and coarse growth-striae and spiral ones,
stronger below the suture, across the convex ribbed part, fainter near the base. Aperture
elongated, angular above, peristome thin, with a wide, shallow sinus, just below the suture,
then strongly protracted ; columellar margin rather straight, with a faint fold at its upper half,
not very conspicuous in the front view, with a rather thin, smooth layer of enamel ; canal
wide, slightly directed to the left. Last whorl regularly attenuated towards its base.

Alt. 53, lat. 151/., ; apert. alt. 22, lat. 6l/„ Mill.

This species is similar in shape to the preceding one, but is more slender, nearly the
whole shell is ribbed, it is stronger and less shining, differs in spiral sculpture and by the
columellar fold. This latter character makes its place in Surcula somewhat doubtful and reminds
Borsouia, but the fold is rather blunt, like in some specimens of Pleurotoma (Gcmmula) con-
gencr Smith (may it be accidental?) and in other respects it better agrees with many species
of Surcula, so I have located it, though with some doubt, in this genus.

5. Siircula pyram.ida.lis n. sp. PI. XXVII, fig. 10.

Stat. 300. io°48'.6S., I23°23'.I E. Timor-sea. 918 M. Fine grey mud. 1 Spec.

Shell fusiform, with strictly pyramidal spire and rather long, slender canal, thin, rather
smooth, greyish-white. Nucleus wanting, remaining whorls 9, straight, the straight line only
interrupted by a row of short, fold-like, oblique tubercles at lower part of whorls, somewhat
fainter near aperture, 1 7 in number on penultimate whorl ; the whorls have a second row of
slightly oblong, bead-like tubercles, just below ths suture, about 30 in number on last whorl;
the spiral sculpture consists of impressed striae, crossing the lower half of basal row of tubercles
on each whorl, and 2 or 3 just above the suture, the whole basal part of last whorl being
spirally striated or grooved, the upper part of whorls is nearly smooth, but for a few scarcely
visible spirals and fine and coarse flexuous growth-lines, becoming much coarser on canal, which
by the intercrossing of this sculpture is slightly granular. Aperture angular above, ending below
in a rather long, narrow, slightly contorted canal; peristome thin, with a wide, shallow sinus

59

I- 1

i in iis media n part, columellar margin strongl) contorted, witli a
thin layer of enamel.

. apert. alt. 2 1. lat. 6 Mill.
1*1 ies is verj peculiar l>y its shape and sculpture. I find no allied forms.

u/ii brachytoma n. sp. PI. XXVII, fig. i i.

43'.i S., . Timor-sea. 828 M. nud. 1 Sj

Stal ■ I . Hn M. Fine grey mud. 1 Spec.

Shell elongately fusiform, witli long spire and short canal, strong, white under a greyish
epidermis. Nucleus wanting, remaining whorls 8, scarcely convex, their upper pari 1 ccavated,
I by a conspicuous, waved suture; sculpture consisting of strong, rounded ribs, scarcely
appreciable in the ation, 11 in number on last whorl, below the suture are short folds,

mainly corresponding u> the ribs, with an intermediate one in the interstices; of spirals a stronger
one at the limit between ribbed part and excavation, making the ribs slightly tubercled, and
2 nr 3 fainter ones lower on; base of last whorl with about 10 grooves; moreover the shell
is reticulated by numerous unequal, but always much finer spirals and growth-striae, Aperture
oblong, angular above, ending below in a wide, short canal, slightly directed to the Ieft; peri-
stome stron ircely with a sinus above, which is uncommonly shallow, columellar margin

moderately flexuous, with a rather thick, smooth layer of enamel.

Alt. 47. lat. ij' ; apert. alt. 1 71/.,, lat. 4 Mill.

This species lias much puzzled me; if the columella had been folded, I should have
taken it for a Mitra\ however Mr. Smith, who had the kindness to compare it, agrees with
me that it is a Surcu/a, but not typical; the specimen from Stat. 2S4 is still ver}- young, but
evidently belongs to the same species. I know no species that is allied.

7. Surcula obtusigemmata n. sp. PI. XXVII, fig. 12.

Stat. 76. ; 22'. 1 S., 1S0 [6'.qE. Makassar-strait. 2029 M. Fine grey mud. 1 Spec.

Stat. 137. Channel between Makjan and Halm. du-ra. 472 M. Fine, dark muddy sand. 2 Spec.

Stat. 271. 5 4''. 7 S., i34°o'I-:. Arafura-sea. 1788 M. Bluish green mud. 1 Spec.

Shell broadly fusiform, with pyramidal spire and rather long, slender canal, thin, yellowish-

grey. Nucleus of largest specimen wanting, remaining whorls 6, not very convex, but apparently

so by a row of coarse, obtuse, rounded beads, near the base of upper whorls and the peri-

phery of last whorl, where they are 14 in number; a second row of smal! tubercles, rounded

in upper whorls, having the character of oblique folds on lower ones, runs just below the deep

suture. on a subsutural rib; lower on the shell is lirate, 2 faint lirae in the interstices of the

peripheral beads, 2 strong ones below the beads of last whorl and numerous fainter ones on

i canal; the shell is covered with very fine growth-lines, last whorl strongly attenuated

Aperture oval, angular above, ending in a rather long, narrow canal below; peristome

thin, with a wide, rather shallow sinus above, then strongly protracted; columellar margin rather

[lu, directed to the Ieft near and along l al, with a thin layer of white enamel.

Alt. 221/. lat. o ; apert. alt. i,s'/,. lat , Mill.

60

425

The specimens from Stat. 137 are very small and notwithstanding the great difference
in depth, seem to belong to this species, the sculpture being identical, their nucleus is yellowish-
brown and consists of about i1/., smooth, convex whorl.

This species, which in many respects resembles some other species of the section Gcmmula,
differs by its sinus above the shoulder, near the suture. In sculpture it has some resemblance
with Brachytoma subsuturalis v. Martens.

8. Surcula utidosa n. sp. PI. XXVII, fig. 13.

Stat. 45. 7°24'S., ii8°I5'.2E. Flores-sea. 794 M. Fine grey mud with some radiolariae and
diatomes. 1 Spec.

Shell elongately fusiform, with rather long canal, rather strong, yellowish-white. Apex
wanting, remaining whorls 6l/2, separated by a conspicuous, simple suture, convex, slightly
excavated at their upper part. Sculpture consisting of numeróus, very irregular, spiral striae,
more conspicuous at the base of shell and canal, scarcely traceable in the excavation ; upper
whorls with a peripheral row of obtuse tubercles, which in the uppermost whorls have the
character of ribs; these tubercles disappear on last whorl, which has only a more prominent
keel-like spiral just below the excavation; the whorls are moreover crossed by numeróus growth-
lines, strongly curved and conspicuous in the excavation, oblique and sometimes ribdike in the
lower part, which produces a wavy appearance of some parts of the shell. Aperture oblong,
angular above, ending below in a rather long, broad canal, slightly directed to the left ; peri-
stome broken, but according to growthdines with a deep sinus at the suture, then strongly pro-
tracted; columellar margin regularly curved, with a thin layer of enamel, slightly contorted along
the canal.

Alt. 30, lat. ii; apert. alt. 15, lat. 41/.., Mill., the breadth of shell and aperture may
have been more, if the peristome were complete.

I know no species which is nearly allied amongst the species from the indian ocean ;
Mr. Smitii, who has kindly compared this and the following forms, could not identify them
with any of the species, figured or unfigured, described by him in past years.

9. Surcula variabilis n. sp. PI. XXVIII, fig. 1.

Stat. 178. 2°4o'S., I28°37'.5 E. Ceram-sea. 835 M. Blue mud. 12 Spec.

Shell elongately fusiform, with long canal, thin, yellowish-white. Whorls 8, of which
about 2 (if normal) form a smooth, slightly inflated, reddish-brown nucleus; post-nuclear whorls
subangular, concave in their upper part, separated by a conspicuous waved suture. Sculpture
consisting of a row of tubercles at the periphery, sharper in upper whorls, more obtuse lower
on, a row of granules, just below the suture, becoming scarcely visible in last whorl and entirely
or nearly wanting in some specimens, the lower part of whorls with 1 or 2 rather faint, spiral
lirae, the part of last whorl below the keel, with more or less conspicuous spirals, which vary
from regular flat lirae to more irregular ribdike ones; in the latter case mainly 2 spirals are
stronger; moreover there are extremely fine spiral striae ancl rather conspicuous growth-striae.

61

ingular above, peristome thin, with ;i wi«l<- sinus above, then protracted,
ir margin nearly straight, only slightly concave above, ending in ;i rather long, narrow
with a tliin iayer ol enamel. Interior ol aperture smooth.
Alt. i8' .. lat. 6; apert. dt. i i . lat. 21/, Mill.
Alt. 13' „ lat. 5 ; apert. alt. 7, lat. 1

This specii s, al least the largesl specimen, has in outline much resemblance with the
t-Indian .S'. syngenes Wats (Challenger Gastrop. PI. 20, fig. 2) but is different in sculpture,
though the tubercled keel is very like. If 1 had seen only 2 extreme specimens, 1 certainly
should have been induced to describe 2 species, the nucleus is in several specimens loosely
coiled, the spirals difTer considerably in strength, the subsutural granules may be faint or
entirely wanting, but these differences are intercrossing, so that I cannot tracé a line of demarcation
between them and so I left them together.

i". Surcula pulchra n. sp. PI. XXVIII, fig. 2.

Stat. 212. 5 54.5 S., 120 iw..' E. Banda-sea. 462 M. Fine grey and green mud. 1 Spec.

Shell shortly fusiform, with short canal and pyramidal spire, rather thin, white. Nucleus
wanting. Remaining whorls 6, angular, separated by a conspicuous, waved suture, their upper part
vated. Sculpture consisting of narrow axial ribs, 14 in last whorl, oblique in upper whorls,
intly flexuous in last one and a row of oblique, short plicae, on a faint subsutural rib; the
axial ribs end in rather sharp tubercles in their upper part at the limit of excavation; the ribs
are 1 by narrow spiral Iirae, 3 more conspicuous and some fainter ones on penultimate

whorl, numerous, rather unequal ones on last whorl-. in crossing the ribs, they produce still 2
fainter tubercles on the lirae of penultimate whorl; numerous ones on last whorl, but not on
canal, where the ribs disappear; moreover the shell is crossed by very fine growth-striae, more
conspicuous in excavation and line spiral striae, of whi.ch about 2 in excavation. Aperture oval,
angular above, ending in a short, wide canal below, slightly directed to the left; peristome
thin, broken, according to growthdines with a moderately wide and deep sinus, then protracted ;
columellar margin concave above, slightly tortuous at the canal, with a thin layer of enamel;
interior of aperture smooth, white.

Alt. 171/.., lat. 8; apert. alt. 9, lat. 3 Mill.

This species is remarkable for its elegant sculpture.

11. Surcula trophonoidea n. sp. PI. XXVIII, fig. 3.

Stat. .; . 5., 11 15'. 2 E. Flores-sea. 794 M. Fine grey mud, with some radiolariae and

diatomes. 1 Spec.
Stat. 178. 2°4o'S., 12S0 37'. 5 1'".. Ceram-sea. 835 M. Blue mud. 1 Spec.

Shell fusiform, with moderately long canal, thin, white. Nucleus eroded. Whorls 8, angular,

by a conspicuous, slightly waved suture, upper part excavated. Sculpture consisting

lique ribs, ending at the excavation with small, slightly pointed tubercles; the

is nearly smooth, but with short plicae on a faint subsutural rib, more conspicuous

62

427

on upper whorls, disappearing on last one and curved growth-lines, lower part of whorls with
flat lirae, 6 in number on penultimate whorl, separated by narrow grooves; on the base of
last whorl and canal, the grooves surpass the lirae in breadth; these lirae are waved and the
whole shell is crossed by growth-lines, strenger at intervals. Aperture oblong, angular above,
with a wide canal below; peristome thin, broken ; according to growth-lines, with a shallow
sinus, then slightly protracted; columellar side nearly straight, slightly concave above, a little
directed to the left, along the canal, with a thin layer of enamel, not quite concealing the
lirae of surface. Interior of aperture, smooth, white.

Alt. 16, lat. 53/t; apert. alt. 73/é, lat. 2 MUI.

This species has in outline and sculpture resemblance with some species of Trophon,
but the sinus leaves no doubt about its belonging to the Pleurotomidae. The specimen from
Stat. 1 78 is young.

12. Surcu/a biconica n. sp. PI. XXVIII, fig. 4.

Stat. 212. 50 54.5 S., I20° I9'.2 E. Banda-sea. 462 M. Fine grey and green mud. 1 Spec.

Shell biconical, with short canal, rather thin, white. Whorls 8, of which about 2 form
a convexly whorled nucleus, which seems to be at first smooth, the second whorl being obliquely
costulate, postnuclear whorls separated by a conspicuous, distinctly waved suture, angular, excavated
above, with rather narrow axial ribs, 1 4 in number on last whorl, scarcely indicated in exca-
vation ; the whorls are divided by a streng keel, consisting of depressed tubercles, forming the
upper part of ribs, at the base of excavation; moreover there are 3 remote spirals on the
scarcely contracted last whorl, which, in crossing the ribs, make them beaded, and 2 or 3
very faint, plain ones on canal ; in the upper whorls the uppermost of these lirae is nearly
covered by the suture and causes the conspicuous waves, otherwise the shell is nearly smooth,
but for very fine growth-lines, more conspicuous in the excavation. Aperture oblong, angular
above, with a short open canal below; peristome thin, broken, according to growth-lines with
a shallow sinus above, then slightly protracted ; columellar margin nearly straight, with a thin
layer of enamel.

Alt. 83/4, lat. 41/,; apert. alt. 41/,, lat. i3/, MUI.

This species is peculiar by its shape and sculpture. I find nothing like it amongst the
species of Sur ca la.

13. Surcula celebeusis n. sp. PI. XXVIII, fig. 5.

Stat. 88. o°34'.6N., 119° 8'. 5 E. Makassar-strait. 1301 M. Fine grey mud. 4 Spec.

Shell small, sub-biconical, with short canal and subgradate spire, thin, subpellucid, white.
Whorls 6l/„, of which nearly 2 form a smooth, shining, convexly-whorled nucleus; subsequent
whorls angular, excavated above, separated by a conspicuous, irregularly waved suture, with
a rather streng rib just below it, with short bead-like folds, lower part of whorls with oblique
ribs, 15 in number on last whorl, tubercled at their upper part below the excavation, more-

63

whorls is crossed 1 »\ faint spirals, 2 in number on penultimate, about 1

last whorl, of whicli latter the upper ones are more umus, bead-like

the riKs, those on the canal plain, lastly the whorls are crossed bj growth-lines.

tel) oval, angular above, with a short, wide canal below; peristome thin, broken,

rowth-lines with a wide, rather deep sinus above, then considerably protracted,

ar side concave above, slightly tortuous below, with a conspicuous, appressed layer

namel.

Ali B . lal apert. alt. 3 % lat. i8/4 MUI.

Though small, 1 t hink this form to be distinct and nol to be identified with the young
iny described species.

14. Surcula sp.

Stat. 178. 2° 40 .;;■.; E. 1 eram-sea. S35 M. Blue mud. 2 Spec.

These specimens are nearly allied to the preceding species, they are a little narrower
and the infrasutural rib is less developed and has only few tracés of the folds, as the specimens
ver) young, 1 think it is not advisable to name or describe them, they may belong to a
slight variety of the former.

15. Sur at la Nierstraszi n. sp. PI. XXVIII, fig. 6.

Stat. 271. 5^4'V.jS., 136° o' K. Arafura-sea. 1788 M. Bluish green mud. 1 Spcc.

Shell broadly fusiform, with rather short spire, thin, light greyish-white. Nucleus wanting,
remaining whorls nearly 6, of which the upper one is likewise eroded, angularly convex, slightly
excavated below the deep suture. Sculpture consisting of slightly oblique, narrow ribs, arcuated
in the excavation, 15 in number in penultimate whorl, with blunt tubercles about the median
part of upper whorls and on shoulder of last whorl, with beads at thcir upper extremities ;
just below the suture, the shell is covered with fine growth-striae and spiral lirae, these lirations
being faint in the excavation, stronger and crowded in lower part of whorls, more remote on
canal; last whorl attenuated below, passing without marked limit in the rather short canal.
Aperture oval, slightly angular above, with a rather narrow canal below: peristome broken,
according to growth-striae with a very shallow sinus below the suture; columellar margin concave
above, directed to the left along the- canal, with a thin layer of enamel.

( >perculum thin, corneous, with a terminal nucleus at the left side.

Alt. 25'/,. lat. I21/,-. apert. alt. 14, lat. 5 MUI.

Radula with 2 rows of teeth, in about 12 transverse rows, each tooth c with a rather
sharp point and a deep sinus at its basal margin, separating 2 unequal digitations.

The shell was of rather obscure nature, scarcely any tracé of a sinus was visible and
it' at all by the aid of the growth-lines, it is very unsignificant, the operculum is not characteristic
tor tl after I had seen the radula, 110 doubt was left about its belonging to the Pleuroto-

and by its sinus it 1 ■ ches Surcula, though the teeth resemble those of

64

429

Pleurotoma s. str., as figured by Troschel; as ihe radula of only few species is known, I think
the characters of the shell may provisionally decide.

Clavosurcula n. gen.

Shell clavate, with a very broad body and long, slender canal, according to growth-
striae with a wide, deep sinus, occupying nearly the vvhole breadth of upper whorls-, nucleus
smooth, swollen ; operculum wanting.

Type : Clavosurcula Sibogae n. sp.

I could not refer this specimen to any known genus, its peculiar shape, which reminds
that of Steiraxis Dall., is still too much different to locate it in that genus. In some degree
it seems to be allied to Surcula, and so I have provisionally located it near that genus; unfor-
tunately the operculum and soft parts are wanting; though the shell has the appearance of
being not adult, it is too remarkable to neglect it.

i. Clavosurcula Sibogae n. sp. PI. XXVIII, fig. 7.

Stat. 45. 7°24'S., iiS°I5'.2E. Flores-sea. 794 M. Fine grey mud with some radiolariae and
diatomes. 1 Spec.

Shell clavate, with convex spire, attenuated towards the apex, with long, slender canal,
thin, pellucid, white. Whorls 8, of which about i1/., form a smooth, swollen nucleus, post-nuclear
whorls keeled, the keel running in the 2 uppermost post-nuclear whorls a trifle above the
linear suture, in the following whorls it is coalescing with the suture, on the last whorl it has the
appearance of a blunt, rounded rib, with a slight groove above it; the upper whorls are nearly
straight, the last 2 ones slightly convex, last whorl rapidly contracted below the keel. Sculpture
consisting of numerous raised spiral striae, rather fine in upper part of whorls, very fine on a
narrow zone just above the keel, coarser on the keel, much coarser on the basal part of last
whorl and on the canal, which is long and slender. Aperture rhomboid, with a moderately
sharp angle above and an obtuse angle at the keel; peristome thin, broken, according to
growthdines with a wide, deep sinus above, then strongly protracted. Columellar margin nearly
straight above, along the body-whorl, then concave, upper part at the canal straight, then
strongly contorted to the left, with a thin layer of enamel, stronger at upper part of canal;
interior of aperture smooth, but apparently striated by the transparency of the shell.

Alt. 38, lat. 20 ; apert. alt. 16, lat. 71/, Mill.

Mangilia Risso.

1. lïlangilia terpnisma Melvill & Standen.

Melvill & Standen. Proc. Zool. Soc. Lond. 1901, p. 443, PI. 24, fig. 8.

Stat. 114. Kwandang-bay-entrance. 75 M. Hard sand very fine. 2 Spec.
Stat. 193. Sanana-bay, East coast of Sula Besi. 22 M. Mud. 1 Spec.

Stat. 285. Near South coast of Timor. 34 M. Limit between mud and coral, Lithothamnion.
1 Spec.

The specimens vary in size but agree in shape, sculpture and colour-markings.

65

S1BOGA-EXPEDITIE XI.IX1!'. 5^

I \o

ii var.

. Makassar-strait. 1301 M. Fine grey mud. 1 Spec

Smaller than the type, having only .1 length of 5 , Mill., thinner, with less developed
and quite transparently white, bul ng in all its essential characters.

2. Mangilia apoi 'linea Melvill.

Melvill Proc. Mal. Soc. Lond. Vol. VI, p. [66, PI. io, fig. 20.
Stat. 261. Elat, West coast of Great Kei-island. 27 M. Mud. i Spec.

Mr. Melvill, who examined this specimen, says it is in better condition and more full-
grown than his Gulf of Oman specimens, but otherwise it differs only very little.

3. Mangilia cavernosa Rceve.

REEVE. Proc. Zool. Soc. Lond. [846, p. 60.

Conch. Ie. Vol. III. Mangelia, fig. 8.

TRYON. Man. of Conch. Vol. VI, p. 251, PI. 21, fig. 26.

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, coarse sa.-.d with shells and stones. 3 Spec.
Stat. ' . Near North point of Nuhu Jaan, Kei-islands. 90 M. Sand, coral and shells. 4 Spec.

Slightly varying in number of ribs but agreeing in other particulars.

4. Mangilia butonensis n. sp. PI. XX\'III, fig. 8.

Stat. 2D4. Between islands ofWowoni and Buton, northern entrance of Buton-strait. 75 — 94 M.
Sand with dead shells. 1 Spec.

Shell elongately fusiform, with high spire and moderately long canal, smooth, shining,
pellucid, white. Whorls 8, of which 31/., seem to form a convexly-whorled nucleus, of these
the upper 2 are smooth, the rest with crowded axial ribs; post-nuclear whorls with more remote
rib^. 7 (>r 8 on penultimate whorl, each rib with a small point near its middle, giving an angular
appearance to these whorls. though the interstices are nearly regularly rounded, upper part of
whorls very faintly crenulate, base of last whorl with very faint spiral striae, more cogspicuous
on ribs and a few stronger ones on canal. Aperture oblong, narrow, slightly angular above,
below with a rather wide canal; peristome sharp, with a shallow sinus above and a strong rib
at some <listance behind its margin, columellar margin slightly concave above, directed to the
lelt below, with a thiii layer of enamel, interior of aperture smooth.

Alt. il1/., lat. 4: apert. alt. 5'/,, lat. I Mill.

This nas some resemblance with M. polita Hinds, but the ribs are less regularly

1, the canal is less slender and in that species the peristome is plain, though this may
nd on age.

Mangilia rufostrigata n. sp. PI. XXVIII, fig. 9.

'• '59- 0°S9'.iS., i2o 48'.8 E. Halmahera-sea. 411 M. Coarse sand. 2 Spec.

66

43i

Shell shortly fusiform, with short canal, smooth, shining, yellowish-white, with more or
less conspicuous traces of red-brown streaks on ribs; whorls 7, of which a little more than one
forms a convex, smooth nucleus; post-nuclear whorls separated by a deep, waved suture, convex,
angular, slightly excavated at their upper part, with rather strong, rounded, oblique, axial ribs,
1 1 in number on last whorl, that behind the peristome stronger; these ribs are pointedly tubercled
about their median part, just below the excavation in upper whorls, at the shoulder of last whorl,
on this latter the ribs are fainter towards the base, otherwise the shell is nearly smooth, but
for very faint, remote spirals, a little more conspicuous on canal, and fme growth-lines. Aperture
oval, angular above, with a wide, short canal below ; peristome thin, broken, with a shallow
sinus above. Columellar margin concave, slightly directed to the left below, with a rather thin
layer of enamel, stronger near its base.

Alt. 10, lat. 41/*; apert. alt. 4, lat. i3/5 Mill.

6. Mangilia hexagonalis Reeve.

REEVE. Proc. Zool. Soc. Lond. 1845, p. 118.

Conch. Ie. Vol. I, Pleurotoma, fig. 293.

TRYON. Man. of Conch. Vol. VI, p. 251, PI. 20, fig. 1.

Stat. 258. Tual, Kei-islands. 22 M. Lithothamnion, sand and coral. 1 Spec.

The specimen is very large, being 1 1 instead of 8 Mill. in length, but otherwise exactly
agrees with Reeve's figure and description. A close spiral striation, mentioned by Tryon, seems
to have been overlooked by Reeve.

7. Mangilia multigranosa n. sp. PI. XXVIII, fig. 10.

Stat. 47. Bay of Bima near South fort. 55 M. Mud with patches of fine coralsand. 1 Spec.
Stat. 260. Near North point of Nuhu Jaan. Kei-islands. 90 M. Sand, coral and stones. 1 Spec.

Shell elongately pyramidal, with short canal, strong, yellowish-brown. Whorls 9 or 10,
of which the uppermost is eroded, foliowed by about 2 closely ribbed ones; subsequent whorls
slightly convex, with a deep suture, hexagonal by 6 continuous, rounded ribs. Sculpture con-
sisting of numerous spirals, of which the peripheral one and 2 or 3 lower ones are more pro-
minent, at all there are on penultimate whorl of largest specimen about 10 stronger spirals
and 3 intermediate ones in each interstice, of these spirals the median one is again stronger than
the other ones (in the smaller specimen this arrangement is less conspicuous) ; each of these
spirals is closely covered with a row of granules, having the character of compressed squamae
on the principal lirae, this sculpture extends also over the whole last whorl and canal. Aperture
short, oval, rounded above, with a short, narrow canal below ; peristome rather blunt, with a
shallow sinus above and a strong rounded rib externally, 3 tooth-like tubercles in its interior,
of which the uppermost is the largest; columellar margin nearly straight, but slightly concave
above, directed to the left below, with a strong layer of enamel, only appressed above, free
below, interiorly with a strong tubercle above and 2 flat plaits about its median part, each

plait divided by a groove.

67

. lat \ . . apert. alt. |. lat. i Mill.
All apert. alt. .; , lat. , Mill.

much resemblance with the preceding one and with M. obeliscus Reeve,
. disünguished by its very beautiful, elaborate sculpture; the smallest specimen, though
full-grown, a- ma) be seen by its peristome, has the columellar plaits less developed.

8. Mangilia Fairbanki Nevill.

Ni \ 111. Journ. As. Soc. Béng. 1875, p. 85, PI. 7, fig. 2.
Tryon. Man. of Conch. Vol. VI, p. 270, l'l 48.

St.it. 4. Djangkar (Java). 9 M. Coarse sand. 1 Spec.

The specimen is not in good condition, being worn and not quite developed, corri
pondingly somewhat doubtful, bul it agrees well with a specimen from Bombay, which Mr. Melvill
had the kindness to send for comparison.

9. Mangilia septemcostata n. sp. PI. XXVIII, fig. 11.

St.it. 51. Madura-bay. 69 — 91 M. Fine grey s.md, coarse sand with shells and stones. 2 Spec.

Shell fusiform, with rather long canal, strong, light yellowish-brown, with faint red-brown
bands, interrupted by the ribs, one rather broad band, just below suture, the second below the
periphery, a third near the base of last whorl, the base of canal being likewise tinted. Whorls about
71/,, of which 21/., form the convexly-whorled nucleus, of which about the first whorl is smooth, the
other «inrs are closely ribbed; subsequent whorls slightly convex, each with 7 continuous ribs, which
have a small sharp point a little above the conspicuous, waved suture and are faintly crenulated,
especially on lower part of last whorl; interstices smooth, but for a faint spiral, connecting the
.1 points and a few spirals on the canal. Aperture oblong, sharply angular above, with a
rather long, narrow canal below. Peristome not developed, probably with a shallow sinus above,
columellar margin nearly straight, slightly directed to the left along canal.

Alt. 9, lat. 3' . apert. alt. 4 ,, lat. 1 Mill.

Though the specimens are not full-grown, the diameters seemed to be peculiar enough
to describe the species; of course the measurements may be altered, il complete specimens are
afterwards procured.

var. tennis n. var.

Stat. 260. Near North point of Nuhu Jaan, Kei-islands. 90 M. Sand, coral and shells. 1 S
Shell thin, of a hyaline, whitish colour, with the points of the ribs a little more remote
from lower suture, but otherw much the same in number of riks and in other particulars

re, that I think this form has only varietal rank, perhaps depending on greater depth.
e juvenile.

Mangilia multicostata n. sp. PI. XXVIII, lig. 12.

Stat. North point of Nuhu Jaan, Kei-islands. 90 M. Sand, coral and shells. 1 S

68

4 "5 1
OJ

Shell fusiform, with pyramidal spire and short canal, thin, smooth, shining, yellowish-
white with red-brown blotches in 3 more or less interrupted bands. Whorls 9, of which about
2 form a smooth, convexly-whorled nucleus. Post-nuclear whorls sharply angular, their upper
part, occupying about 2/3 of each whorl, slightly concave. Sculpture consisting of numerous,
sharp axial ribs, 16 in number on last whorl, with pointed tubercles at the angle, connected
by a rather faint spiral ; moreover there are very faint growth-lines and spiral striae, more con-
spicuous on the base of last whorl, especially on the ribs, and a few stronger ones on the canal.
Aperture oval, angular above, with a short, broad canal below; peristome broken, probably
with very shallow sinus above, columellar margin concave above, directed to the left below
along the canal, with a thin layer of enamel.

Alt. 11, lat. 4; apert. alt. 41/.,, lat. i1/* Mill.

Though this shell is evidently not quite adult, the thin peristome being broken, it seemed
to differ from all known species, so I have described it; it resembles in many respects the var.
tennis of the preceding species, but cannot be united on account of the number of ribs, which
is more than doublé, moreover the canal is quite different, being short and broad.

11. Mangilia elcgantissima Melvill & Standen.

Melvill & Standen. Arm. Mag. Nat. Hist. Ser. 7, Vol. XII, 1903, p. 319, PI. 23, fig. 23.
Stat. 274. 5°28'.2S., 1 340 5 3'. 9 E. Near Aru-islands. 57 M. Sand and shells, stones. 1 Spec.

I owe the identification of this species to Mr. Melvill, without his assertion I should
not have recognized it, as the number of axial ribs in the Siboga-specimen, seems to be
considerably more numerous than in the quoted figure.

12. Mangilia savuensis n. sp. PI. XXVIII, fig. 13.

Stat. 306. 8°27'S., 1220 54'. 5 E. Savu-sea. 247 M. Sandy mud. 1 Spec.

Shell elongately fusiform, with rather short canal, rather strong, yellowish-whitë, with traces
of red-brown bands (bleached). Whorls scarcely 9, of which about 3 form a convexly-whorled
nucleus, of these about the upper one is smooth, the rest at first faintly, then strongly ribbed,
with numerous elegant ribs and traces of a keel near the base of visible part of last nuclear
whorl. Subsequent whorls angularly convex, separated by a deep, strongly waved suture. Sculpture
consisting of rounded, not continuous, axial ribs, 7 in number on last whorl, crossed by spirals,
of which a faint crenulated one, just below the suture, another strong one at the periphery, making
the ribs slightly tubercled, and 3 spirals below it on penultimate whorl, 16 on last whorl and
canal, moreover a few very faint spirals above the periphery and numerous growth-lines. Aperture
elongately oval, with a sharp angle above and a rather wide canal below; peristome broken,
probably with a rather shallow sinus above ; columellar margin nearly straight, with a thin layer
of enamel.

Alt. 9, lat. 3; apert. alt. 31/:,, lat. 1 Mill.

I know no species which is nearly allied_ to this new one. Mr. Melvill says it is allied

69

Proc. Zool. Soc. Lond. 1901, p. 145, PI. 24, fig 1 Clathurdla^

it inay have some resemblance, it differs in many particulars.

I ulata n. sp. PI. XXIX, fig. 1 .

Stat. 51. Madura-ba) 1 M. I sand with sliclls and stooes. 1 Spec.

Shell pyramidal, with very short canal, thin, semipellucid, reddish-brown with ;i white
at tin- shoulder, a white e. mal. ribs and part <>f spirals. Whorls m, of which about 3
form the nucleus, with very deep suture, tin- uppermost whorl smooth, the other ones with a
conspicuous keel; post-nuclear whorls very convex, with a deep, waved suture. Sculpture con-
s i s t i n l; of remote, rounded, axial ribs, ., in number on last whorl and numerous spiral lirae, 2
below the suture, 5 strong ones on penultimate whorl, of which the upper 2 border
the white zone and are white themselves, the V' is very strong, but falls in the suture of upper
whorls, forming the strong spiral rib on last whorl, which suggested the name, accompanied
by a narrow one; below this the shell is rapidly contracted, with only faint spirals, hut divided
by the ribs, which produce beautiful excavations in their interstices (reminding those of Clath.
canal with a few stronger lirae; moreover the shell is sculptured by conspicuous
growth-lines, as well en the ribs as in their excavated interstices and a few intermediate lirae,
producing on the whole shell a fine cancellation. Aperture oval, rounded above, with a short,
open canal below, peristome thin, with a rather deep sinus above, columellar margin nearly
straight, with a conspicuous layer of enamel, not appresscd, leaving an umbilical chink; interior
of aperture with a few lirae.

Alt. 141/,, lat. 5; apert. alt. 3 ■'/,.,, lat. i1/, Mill.

This species has some resemblance with a very elongate Phos senticosus, but is of course
quite different. Perhaps it might as well be located in Clathurella on account of its sculpture
and aperture, but it appears that it is more allied to some species of Mangilia.

14. Mangilia halmaherica n. sp. PI. XXIX, fig. 2.

Stat. [37. Betweel] Makjan and Halmahera. 472 M. Fine, dark muddy sand. 4 Spcc.

Shell fusiform, with rather short canal, pellucid, white. Whorls about S, of which about
3 form the nucleus, which is large, convexly-whorled, al first smooth, then axially ribbed; post-
nuclear whorls angular, concave above. Sculpture consisting of rather narrow axial ribs, about
12 or [3 on last whorl, crossed by spirals, of which one more or less strong one, just below the
suture, another at the angle and one or two on the lower part; last whorl with canal, with about
spirals, those on the upper whorls and 5 upper ones on last whorl are sharply tuben-led
in p the ribs. those on the contracted part of last whorl and canal, more plain : moreover

is covered with fine growth-lines. Aperture elongately-oval, angular above, with
r short, wide canal below; peristome thin, with a moderately deep sinus above, colu-
mn slightly concave above, directed to the left below.
Alt. f \, lat. 3; apert. alt. 3'/,, lat. 1 Mill.

70

435

Three of the specimens are quite alike, differing only in size, on account of age, so I
have describecl them as the type; the fourth is much more developed in sculpture, so much
that I was in doubt if it ought not to be separated, the spirals are stronger, there is a spiral
in the excavation, on the contrary the last whorl has at all only 12 spirals, besides that below
the suture, which is weaker, and I find very fine spirals in the interstices, the last rib before
the peristome is strongly developed; as it is however not impossible that the other specimens
are not quite developed, I think the other differences may be individual ; unfortunately the
nucleus of the fine specimen is worn, the outer layer being lost, so I could not make out, if
it has been identical.

Cithara Schumacher.

1 . Cithara uiarginelloides Reeve.

REEVE. Proc. Zool. Soc. Lond. 1846, p. 60.

Conch. Ie. Vol. III, Mangelia, fig. 6.

Tryon. Man. of Conch. Vol. VI, p. 261, PI. 24, fig. 22.

Stat. 323. Sangkapura-roads, Bawean-island. 12 M. Mud. 1 Spec.

Tryon unites C. columbelloides Reeve with this species, but Boettger (Nachrichtsbl. der
Deutschen Mal. Gesellsch. 1895, p. 19) has clearly pointed out the differences between the
two species.

2. Cithara fusiformis Reeve.

Reeve. Proc. Zool. Soc. Lond. 1846, p. 61.

Conch. Ie. Vol. III, Mangelia, fig. 19.

Tryon. Man. of Conch. Vol. VI, p. 268, PI. 23, fig. 2.

Stat. 299. Buka- or Cyrus-bay, South coast of Rotti-island. 34 M. Mud, coral and Litho-
thamnion. 1 Spec.

The spire of the only specimen is broken, so the shell has only 4 whorls and the iden-
tification is somewhat doubtful.

3. Cithara stromboides Reeve.

Reeve. Proc. Zool. Soc. Lond. 1846, p. 63.

Conch. Ie. Vol. III, Mangelia, fig. 33.

Tryon. Man. of Conch. Vol. VI, p. 264, PI. 23, fig. 1.

Stat. 37. Sailus ketjil, Paternoster-islands. 27 M. and less. Coral and coralsand. 1 Spec.

4. Cithara lyrica Reeve.

Reeve. Proc. Zool. Soc. Lond. 1846, p. 61.

Conch. Ie. Vol. III, Mangelia, fig. 20.

Tryon. Man. of Conch. Vol. VI, p. 268, PI. 24, fig. 21.
Smith. Zool. Coll. "Alert", p. 41, PI. 4, fig. H [cylindrica var.).

71

! Salibabu-island. l'p t" 36 M. Mu.1 and hard sand. i Spi

who unites this form t « > C. cy/indrica, has given (1. c.) a full description and fine
the only specimen belongs no doubt t<> the broad var. lyrica^ I have recorded it
with ti ific name.

i /i7'<? Reeve.

Reeve. Proc. Zool. Soc. Lond, [846, p

Conch. Ie. Vol. III. Mangelia, fig. ;.

Tryon. Man. of Conch. Vol. VI, p. 257, PI. 11 karella var.).

St.it. 213. Salej r. Ri f. 1 Spcc.

TIn- specimen has 9 beadlike teeth on tin- interior of peristome and o wrinkles un the
columella, of which the lower ones are likewise beadlike, bul Mr. Smith writes me that this is
sometimes the case; perhaps it depends mi age.

Lienardia Jousseaume.

1. Lienardia Aliciae Melvill & Standen.

Mki.vii.i. & Standen. Journ. of Conch. 1895, p. 95, PI. 2, fig. 15.

HEDLEY. Proc. Linn. Soc. N. S. Wales, 1909, Vol. 34, p. 454, PI. 43, fig. 88.

St.it. 43. Pulu Sarassa, Postillon-islands. Up to 36 M. Coral. 1 Spcc.
Stat. 99. North-Ubian. 16 — 23 M. Lithothamnion-bottom. 1 Spcc.

St.it. 164. 1 42.5 S., i30°47'.s E. Near West New-Guin'ea. 34 M. Sand, small stones and
shells. 1 Spcc.

Differing in size, but a^reeing in othcr particulars with specimens received of Mr. Tomlin
from Lifu and with the fine figure of Hedley. I have employed the generic name Lienardia
id of Glyphostoma^ for the reasons emitted by Boettger (Nachrichtsbl. der Deutschen Mal.
»5i P- 49)-

2. Lienardia spitrca Hinds.

HlNDS. Moll. Voy. "Sulphur", p. 17, PI. ;, fig. 14.
REEVE. <"<>nch. Ie. Vol. I, Pleurotoma, fig. 312.
TRYON. Man. of Conch. Vol. VI, p. 273, PI. 15, fig. 37.
Smith. Zool. Coll. -Alert", p. 39, PI. 4, fig. F, F 1.

Stat. 51. Madura-bay. 69- -91 M. Fine grey sand, coarse sand with shells and stones. 1 Spcc.
Stat. 285. Near South coast of Timor. 34 M. Limit between mud and coral. Lithothamnion.

1 Spec.
Stat. 303. II 1. Samau-island. 36 M. Lithothamnion. 1 Spcc.

The specimen from Stat. 51 is very small hut characteristic, that from Stat. 285 is large

(14 Mill. and remarkable for numerous fine spirals between the principal ones. If constant.

this form should deserve a varietal name. Though Kim makes no mention of it, his figure

tM l)i- magnified, for Smith (1. c.) records a specimen of iS Mill., which "considerably

dimensions of Hinds1 type, another of u Mill. in length; Reeve's figure nearly

Mill.. his /'/. rava, (1. c. li,L,r. 250) which accordino; to Sm 11 11, should Ik- a synonym,

:-

437

being magnified to twice its natural length, likewise nearly 23 Mill., is consequently only a
little more than 1 1 Mill.

3. Lienardia granulifera n. sp. PI. XXIX, fig. 3.

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, coarse sand with shells and stones. 1 Spec.

Shell fusiform, with pyramidal spire and short canal, strong, dark red-brown, with a
yellowish zone on last whorl, quite covered by the suture in upper whorls and with whitish apex.
Whorls 91/,, ; nucleus consisting of 2 convex, light brown whorls, of which the upper one is
smooth and shining, the second has a prominent keel ; of the post-nuclear whorls, nearly 2 are
whitish, the whorls are convex, separated by a deep, waved suture, ascending towards the
aperture. Sculpture consisting of rounded ribs, 1 1 in number on last whorl, that preceding the
peristome very strong, and spiral lirae on the whole shell, 10 in number on penultimate whorl,
about 30 on last whorl and canal, of which 5 below the suture more crowded and fainter, 5
on the median part of ribs (6 on last whorl) are prominent and eventually a few intermediate
very faint ones; moreover faint growth-lines are visible and the whole shell except the nucleus
is covered with close-set, flattened granules. Aperture oblong, with a deep, narrow sinus, slightly
wider and rounded at its top, narrowed by a thick, incurved, enamellous, white rim on the
body-wall ; peristome strong, serrated by small denticles, about 9 in number and intermediate
ones, only visible on the internal side and a second row of about 9 whitish tubercles, a little
more in the interior ; columellar margin lighter coloured than shell, nearly straight, with 7 trans-
verse folds. Interior of aperture smooth, light violet. Canal straight, narrow at its proximal end,
wider below.

Alt. 131/,, lat. s1^; apert. alt. 51/,, lat. 1% Mill.

Still allied to L. spurca by its characters of aperture, especially by the sinus and by
the arrangement of its spirals, but quite peculiar by its granular sculpture.

4. Lienardia peristemioidcs n. sp. PI. XXIX, fig. 4.

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, coarse sand with shells and stones. 1 Spec.
Stat. 260. Near North point of Nuhu Jaan, Kei-islands. 90 M. Sand, coral and shells. 2 Spec.

Shell ovately fusiform, with rather short spire and short canal, strong, whitish, light
reddish-brown between the ribs, especially below the suture and a faint band of the same colour
below the periphery of last whorl. Whorls 9, of which 3 form a brownish nucleus, with convex
whorls, the two lower ones are keeled. Post-nuclear whorls short, convex, with a deep, waved
suture ; sculpture consisting of rounded axial ribs, 11 or 12 in number on last whorl, crossed
by more or less thick spirals, 7 narrow ones below suture, foliowed by six coarser ones on
penultimate whorl, about 28 on last one, besides a few intermediate lirae; moreover the shell
is covered with excessively fine spiral lines, which, under the microscope, prove to be composed
of rows of granules, much finer than in the preceding species. Aperture oval, with a rather
narrow, deep sinus above and a short, open canal below; peristome strong, subserrated and
internally with a few denticles, being the ends of internal lirae; columellar margin concave above,

73

SIBOGA-EXPED1T1E XLIXV. 57

438

w, with a tubercle and rim above, bordering and rendering narrow thi anduntil

i' and longer folds; interior of apertural margins more or less stained with reddish brown.
All . apert. alt. 5 < , lat. 1 . Mill.

Allied to the preceding species, butfmore ventricose, with much finer granular sculpture

olour; it is still more remote from /.. spurca. The measurements are taken from

imen from Stat. 51 ; the largest one from Stat. 260 bas a length of 9' Mill., but

otherwisi - in everj essential character; the smallest specimen has a length of 81/,, a breadth

Mill. and is consequently more slender. In colour ii resembles some species of Peristernia.

5. . 1 Mighelsr

MlGHELS. Pi :. Soc. Nat. Hist., Vol. Il, [845, p. 23.

Tryon. Man. of Conch. Vol. VI, p. 297, PI. 19, fig. 57.

Stat 47. Bay of Bima, near South fort. 55 M. Mud with patches of fine coralsand. 1 Spec.

This specimen is a dead, somewhat worn shcll of small size (length 51/,, Mill.), its iden-
tification consequently a little doubtful.

Clathurella Carpenter.

1. Clathurella philippinensis Reeve.

REEVE. l'roc. Zool. Soc. Lond. 184^, p. 1S4.

Conch. Ie. Vol. I. Pleurotoma, fig. 109.

I n. Man. of Conch. Vol. VI, p. 287, PI. [6, fig. Si.

Stat. 133. Lirung, Salibabu-island. Reef. 1 Spec.

2. Clathurella cavernosa Reeve.

REEVE. Proc. Zool. Soc. Lond. 1845, p. 11S.

Conch. Ie. Vol. I otoma, fig. 303.

TRYON. Man. of Conch. Vol. VI, p. 290, PI. 17, fig. 10.

Stat. 114. Kwandang-bay-entrance. 75 M. Hard sand, very fine. 2 Spec.

West of Kwandang-bay-entrance. 72 M. Fine sand with mud. 1 Spec.

Th men from Stat. [16 and one from Stat. 114 have their normal length of about

6 Mill., the other one from Stat. 1 14, of S Mill. and approaches in this respect Cl. spelaeodea Herv.

Journ. de Conch. [897, p. 98, PI. 2, fig. 4); as the specimens are bleached, I cannot clearly

the colour. but the whorls are more angular than in IIikyiir's figure, and agree in this

with that of Rj 1 vi .

' 'lathurella Polyhymnia Melvill.

MELVILL. Proc. Mal. S<>c Lond. Vol. VI, 1905, p. [65, PI. IO, fig. 17.

it. 105. o \\. [2i°i9'E. Sulu-archipelago. 275 M. Coralbottom. 1 Spec.

71

439

The Siboga-specimen is slightly more ventricose than a Gulf of Oman-specimen, which
Mr. Melvill kindly sent me for comparison ; the sculpture seems to be a little stronger, the
outer lip is more developed; this latter may depend on age, otherwise the shell is so much
the same, that its differences may be individual, so I have not applied a varietal name to this
unique specimen.

4. Clathurella jap07iica Melvill.

Melvill. Proc. Mal. Soc. Lond. Vol. I, 1895, p. 227, PI. 14, fig. n.

Stat. 51. Madura-bay. 69 — 91 M. Fine grey sand, coarse sand with shells and stones. 1 Spec.

The specimen has the peristome not developed. Mr. Melvill, to whom I owe the iden-
tification of this doubtful specimen, says that it seems to agree in all essential features.

5. Clathurella virgo n. sp. PI. XXIX, fig. 5.

Stat. 100. 6°u'N., 1200 37'. S E. Sulu-archipelago. 450 M. Dead coral. 1 Spec.

Shell ovate, with short canal, thin, pellucid, white. Whorls 6, of which 2 convex ones
form the nucleus, which is microscopically, spirally lirate and crossed by still finer axial striae,
which make the apex cancellated; post-nuclear whorls very convex, separated by a deep suture,
accompanied by an excavation of the upper part of whorls. Sculpture consisting of rounded
axial ribs, narrower than the interstices, 19 in number on last whorl, ending at the excavation,
not reaching the base of last whorl, and rather sharp, spiral lirae, 10 in number on penultimate
whorl, besides a few much fainter ones in the excavation ; moreover very fine growth-lines,
stronger in the excavation and extremely fine granules, cover the whole shell. Aperture oval,
angular above, below with a short, wide canal ; peristome thin, with a rather shallow sinus,
columellar margin concave above, directed to the left along the canal, covered with a thin
layer of enamel ; interior of aperture smooth.

Alt. 73/„ lat. 4; apert. alt. ^\v lat. il/2 Mill.

This fine species has no conspicuous features, it is a typical deepwater form, the sculp-
ture of the apex however is peculiar.

6. Clathurella r:tfoapicata n. sp. PI. XXIX, fig. 6.

Stat. 17S. 2°4o'S., I28°37'.5E. Ceram-sea. 835 M. Blue mud. 1 Spec.

Shell ovate, with short canal, thin, pellucid, white, with rufous apex. Whorls about yljit
(uppermost top damaged) of which about 31/. form the rufous nucleus, which is angular by a
strong keel, and crossed by axial riblets; post-nuclear whorls very convex, with a deep suture
and an excavation below it; sculpture consisting of rounded, axial ribs, narrower than the interstices,
1 8 in number on last whorl, ending at the excavation and disappearing on base of last whorl,
and spiral lirae, of which 4 principal ones on penultimate whorl, which make the ribs slightly
tubercled, and a few finer ones in the excavation and in many of the interstices; moreover fine

75

1 1"

o . in the excavation are visible. Aperture roundedly oval, bluntly angular above,
•. with a rather narrow, short canal; peristome broken, probably with a shallow sinus ab

rowth lines . columellar margin concave above, then straight, directed to the lefi
canal.
Alt. r' - lat. ; .. apert. alt. 3' ., lat. i' . Mill.

rhough tliis species resembles in shape the preceding one, its whorls are more convi
the number of spirals is much less, but above all, tin- comparison of ili<- apical whorls excludes
i th.a the two forms possibly might I"- identical. Though the specimen is nol complet* .
its peculiar characters <<( the nucleus may justify its naming and describing it.

Daphnella Hinds.

i. Daphnella Euphrosyne Melvill & Standen.

Mki.vii i. & Standen. Ann. Mag. Nat. Hist Ser. 7, Vol. XIII, [903, PI. 23, fig. 12.

Stat. 204. Between islands ofWowoni and Buton, northern entrance of Buton-strait. 75 — 94 M.
Sand with dead shclls. 2 Spec.

I owe the identification of these specimens, which are not quite developed. to Mr. Mi iviii.

2. Daphnella aureola Reeve.

REEVE. 1'roc. Zool. Soc. Lond. 1845, p. 113.

Conch. Ie. Vol. I. Pleurotoma, fig. 212.

TRYON. Man. of Conch. Vol. VI, p. 302, PI. 26, fig. jj.

Stat. 315. East of Sailus Besar, Paternoster-islands. Up to 36 M. Coral and Lithothamnion.
1 Spec.

This specimen is likewise young.

3. Daphnella supracancellata n. sp. PI. XXIX, fig. 7.

Stat. 114. Kwandang-bay-entrance. 75 M. Hard sand, very fine. 1 Spec.

Shell elongately-fusiform, with long, slender spire and short canal, strong, yellowish-grey.

Whorls 11. of which about 3 form a convexly-whorled nucleus, with the common criss-cross

; nuclear whorls slightly convex, separated by a linear, indistinct suture, bordered by

a narrov vation. Sculpture consisting of rounded ribs, on a little more than \ following

ris, disappearing on lower whorls; they are all crossed by spiral lirae, 9 in number on

penultimate whorl, of which one borders the suture, another the excavation, about 30 on last

1 and canal, I a few intermediale ones on this last whorl, scarcely appreciable on

the upp< th( e lirae produce a cancellation on the upper 4 post-nuclear whorls (hence

the • ver there are numerous finer spiral lines between the principal ene-,, making

the who 11 spirally striated, crossed by more or less conspicuous growth-striae, strongly

on last part of last whorl, making the principal lirae nearly beaded.
76

441

Aperture oblong, narrow above, at the rather deep sinus and below at the canal; peristome
rather strong, much contracted at the limit of canal, interiorly with short grooves, corresponding
to the lirae and subdenticulate in the interstices of these grooves, columellar margin slightly
concave above, then nearly straight, with a thin layer of enamel, which is faintly multiplicate.
Interior of aperture smooth, bluish white, the peristome bordered by a greyish zone.

Alt. 2 33/4, lat. 6; apert. alt. io1/,, lat 2 Mill.

This fine species reminds D. Ceciliae Melv. & St. (Proc. Zool. Soc. Lond. 1901, p. 447,
PI. 24, fig. 13), but is larger, much more elongate and different in many particulars of sculp-
ture, also in colour.

4. Daplinella elegantissima n. sp. PI. XXIX, fig. 8.

Stat. 310. 8° 30' S., II9°7'.5 E. Flores-sea. 73 M. Sand with few pieces of dead coral. 1 Spec.

Shell ovately-fusiform, with sharp spire and short canal, moderately strong, yellowish,
with a faint red-brown band at the base of last whorl. Whorls 9, of which about i1/, form a
nucleus with obscure sculpture, post-nuclear whorls convex, separated by a linear suture, with
a slight excavation below it. Sculpture consisting of remote, rounded ribs, 10 in number on
penultimate whorl, stronger on the upper ones, and numerous, raised, axial striae, as well on
the ribs as in the interstices ; this sculpture is crossed by numerous spiral lirae, which are fainter
in the excavation and of which some, (4 on penultimate whorl) are stronger; in crossing the ribs
these stronger lirae produce tubercles, strongest on upper whorls, nearly disappearing on last
one; by this sculpture the whole shell has a coarse cancellation, with a finer intermediate one.
Aperture subquadrangular, with a rather narrow sinus, comparatively deep for the genus-, peristome
but slightly convex above, suddenly roundedly contracted below, forming an angle with the
canal, which is short and wide ; columellar margin concave at its upper part, then nearly straight,
with a thin layer of enamel. Interior of aperture smooth, its margin with short grooves, cor-
responding to the lirae, base of interior and interior of canal faintly red-brown.

Alt. 157.P lat. 51/., ; apert. alt. 7, lat. 2 Mill.

This species, which has a very fine sculpture, is, according to Mr. Smith, allied to but
not identical with D. clegans Pse., a species quite unknown to me. Its characters much remind
those of ClatJuirella ; without Mr. Smiti-i's advice, I should have located it in that genus.

5. Daphnella celebensis n. sp. PI. XXIX, fig. 9.

Stat. 71. Makassar and surroundings. Up to 32 M. Mud, sand with mud, coral. 1 Spec.

Shell ovately-fusiform, with very short canal, strong, yellowish-grey, with a few of the
lirae reddish-brown. Whorls 9 or 10, (topmost one broken) of which the upper one is nearly
smooth, but with traces of criss-cross lines. Post-nuclear whorls convex, slightly angular at some
distance from the deep, crenulated suture. Sculpture consisting of numerous axial riblets, 32
on penultimate whorl, crossed by numerous spirals, 10 on penultimate whorl, of which the upper
one, bordering the suture, is finely crenulated by the upper ends of ribs and finely spirally

77

1 1-

the lirae at the shoulder is the must prominent and makes the whorls. angular, the

il. with, in many cases, intermediate lirae; on the points of intercrossing the

ided; moreover the whole shell is covered with growth-lines. Aperture oblong, with

illow sinus i ery short, wide canal below; peristome strong, crenulated, arched,

.-, with a smal! sinus at the limit <>f canal, interiorly with short grooves, columellar margin

ive above, with a thin layer «'t enamel.

Alt. i6' , lat. 55 apert. alt. 7, lat. 2 Mill.

This fine spei mbles in shape and colour />. hyalina Re< :h. Ie. Pleurotoma,

but is quite different by its relativel) strong, cancellated sculpture.

Daphnella subuloides n. sp. PI. XXIX. fig. 10.

Stat. 105. 6° 8 X., I2i°ig E. Sulu-archipelago. 275 M. Coralbottom. 1 Spec.

Shell fusiform, with short canal, rather solid, yellowish, with irregular, faint, red-brown

streaks. Whorls probably 8 (uppermost whorl wanting) of which a nuclear one is convex, with faint,

partly interruptes riblets. Post-nuclear whorls convex, separated by a linear, faintly waved suture,

tnpanied by a narrow excavation, with a \^\\ faint lirae; lower part slightly angular at limit

ccavation, cancellated by numerous, narrow ribs, about [8 in number on penultimate whorl,

■il by spirals irly equal strength, 9 in number on penultimate whorl, which make

the ribs beaded in crossing them; moreover intermediate lirae and crowded growth-striae produce

a micro-cancellation. Aperture oblong, with a narrow, rather deep sinus above; peristome blunt,

slightly arched and crenulate, strongly contracted below and forming a blunt angle at the limit

of canal, exteriorly with a rounded varix, bearing 3 of the ribs, interiorly with a few short

of which those bordering the upper sinus and limit of canal are stronger. Columellar

margin slightly concave above, nearly straight below, with a thin layer of enamel and a strong

tubercle at the entrance of upper sinus. Interior of aperture light brown, with a white margin.

Alt. 13, lat. 41 ; apert. alt. 61/,, lat. i1/, Mill.

This species is allied tn D. subuia Reeve, but according to Mr. Smitii, who compared
it with the type, differing by a longer canal, shorter whorls etc. It has likewise in my opinion
much resemblance with Clathurella.

7. Daphnella supercostata Smith.

Smitii. Ann. Mag. Nat. Hist. Ser. 5, Vol. X, 18S2, p. 301.

Stat. 47. Bay "f Bi ma, near South fort. 55 M. Mud wi t li patches of fine coralsand. 1 Spcc.
( )riginally described from Japan.

Daphnella suluensis n. sp. PI. XXIX. fig. 11.

Stat. 105. 6°8 X., ui" '19 E. Sulu-archipelago. 275 M. Coral-bottom. 1 Spcc.

Shell elongately oval, with short canal, solid. yellowish-white, brownish behind peristome.

78

443

Nucleus wanting, remaining whorls nearly 7, convex, separated by a deep, undulated suture.
Sculpture consisting of remote, rounded, axial ribs, more conspicuous on upper whorls, nearly
disappearing on last one, iS in number on penultimate whorl and conspicuous growth-lines on
ribs and interstices; the whole shell is crossed by unequal spirals, of which about 5 on penult-
imate one are more prominent. Aperture subquadrangularly oval, with a blunt angle above and
a short, wide canal below ; peristome moderately thin, undulated, with a shallow sinus just below
suture, angular at the entrance of canal ; columellar margin nearly straight in its lower part.
Interior of aperture light brownish, with a bluish tint in the depth.

Alt. ió1/,, lat. 61/,; apert. alt. 71/., lat. 2s/4 Mill.

Allied to D. albibalteata Reeve (Conch. Ie. Pleurotoma, hg. 84), but the new species is
much more slender, the whorls are less convex, more elongated, the ribs, especially on last
whorl, are much fainter and I see no tracé of the white belt in the new species.

9. Daphanclla perfragilis n. sp. PI. XXIX, fig. 12.

Stat. 76. 4°22'.i S., iiS°i6'.9E. Makassar-strait. 2029 M. Fine grey mud. 1 Spec.
Stat. 178. 2°4o'S., I28°37'.5E. Ceram-sea. S35 M. Blue mud. 1 Spec.

Shell fusiform, with moderately long canal, very thin, fragile, hyaline, white. Whorls 8,
of which about 2l/,2 form the nucleus, with convex whorls and criss-cross sculpture. Post-nuclear
whorls convex, separated by a deep, linear suture, the upper ones are strongly angular at the
shoulder, the angle however is fainter on lower whorls and nearly disappears on last one ; a
seconcl prominent liration is visible on upper whorls, but becomes likewise fainter, moreover
the shell is crossed by numerous, fine, raised, spiral striae and finer axial ones, producino- a
fine cancellation ; on the canal the spirals are stronger. Aperture oval, angular above, with a
rather short, moderately wide canal below; peristome broken, according to growth-lines with a
shallow sinus above, roundedly-angular at the entrance of canal. Columellar margin convex at
the body whorl, then nearly straight, slightly curved to the left, with a thin layer of enamel.

Alt. 181/,, lat. 71/,; apert. alt. g3/é, lat. about 3 Mill.

Allied to D. dea Melv. (Proc. Mal. Soc. Lond. Vol. VI, p. 167, PI. 10, fig. 24), but
the new shell is much larger, the canal is longer and I see nothing of the angularity of whorls,
neither in the description nor in the figure ; the specimen from Stat. 76 is a younger, worn
shell, but still conspicuously angular.

Pleurotomella Verrill.

Under this name I have united some shells, which agree in having a dark nucleus,
sculptured with criss-cross lines, strongly contrasting with the rest of the shell ; this group has
been united as a section of Mangilia and of Daphnella by Dall and by Tryon. Dall, in
1908 gives generic rank to Pleurotomella, but unites Gymnobela as a subgenus, for species with
short spire, smaller than the average Pleurotomella and erects a new group Pliymorliyuchus
on characters of the animal. As the Siboga-specimens contain no soft parts, I am unable
to state if the animals are blind, as Pleurotomella ought to be, nor if they have the shape of

79

; for Phymorh} So I am in the Ie eable j »« »->i ti< »n ofdescribing several

leaving to subsequent researches to decide if they are rightly classified.

i. P leur ot ome lla i m. sp. PI. XXIX, fig. [3.

Stat. 1- . . ; I . Near Waigeu-island :<1 and broken shells.

1 S]

Shell biconical, rather strong, white. Whorls 9, of which 4 form a yellowish-brown nucleus,

with moderately convex whorls, of which about 2 upper ones smooth, 2 with curved, raised

stri.u-, stronger just below the suture, crossed in their lower part by very fine, obliqui

Subsequent whorls angular, the upper part slightly excavated, basal part marl)- straight in

outline; this lower part lias rather inconspicuous axial ribs, nearl) disappearing in last whorl,

I at the angle below the excavation ; otherwise the axial sculpture consists of rather

stron ly rib-like, much curved, raised striao in the excavation and very fine growth-lines 5

of spirals there are 4 '>n penultimate whorl. below and besides that accompanying the peri-

pheral angle, and numerous spirals on last whorl. with eventually intermediate ones; tnoreover

the shell is covered with excessivelj smal! granules, only visihle under a strong lens. Last whorl

at first convex below angle, then moderately contracted. Aperture oblong, with a sharp angle

ompressed, gutter-like canal below; peristome broken, sinus, judging after growth-

but shallow, occupying the excavated space; columellar margin with a rather strong

layer of enamel, strongest at the short canal. where it forms an oblong umbilical pit.

Alt. io1/,, lat. 41 ..; apert. alt. 5, lat. 1 ',, Mill.

2. Pleurotomella affinis n. sp. PI. XXX. fig. 1.

*. 178. 2 40 >.. [28 57.: E. Ceram-sea. 835 M. Blue mud. 1 Spec.

nical, thin, white. Whorls about 10, of which about 4 form a red-brown nucleus,

with convex whorls, of which about ix/9 upper ones smooth, the other ones with angular riblets,

strongest near upper suture, crossed in their lower part by fine, oblique striae. Subsequent whorls

with a broad, concave upper part and a much narrower lower part. The sculpture consists of

mspicuous spirals. just below the suture, less distinctly dcveloped on last whorl. 5 much

fainter ones in the excavation; this latter is bordered by a rather strong keel, which makes

the whorls angular; moreover a second keel at some distance, with 2 faint intermediate ones

on penultimate whorl: the part below the excavation on last whorl is Iirate over its whole surface.

upper, excavated part of whorls is crossed by rather distant curved riblets. which, in crossing

infrasutural lirae, produce small beads. At last the whole shell is covered with fine growth-

stnae and excessively fine granules. Last whorl convex, strongly attenuated towards its base.

Aperture obliquely oblong, sharply angular above, ending below in a short, compressed, gut-

tome broken, probably with a wide, shallow sinus, columellar margin concave,

with a thin layer of enamel.

Alt. 9, lat. 3*/4; apert. alt. 3 ,. lat. il/$ Mill.

Thi- ■ is no doubt nearly allied to the preceding one, but differs in shape, l)eing

80

445

more attenuated towards its base and considerably in sculpture, as will be seen by comparing
the descriptions.

3. Pleitrotomclla gradata n. sp. PI. XXX, fig. 2.

Stat. 159. o°59'.iS., i29°48'.8E. Halmahera-sea. 411 M. Coarse sand. 1 Spec.

Shell fusiform, gradate, moderately strong, white. Whorls 8 (uppermost broken), of which
2 form a reddish-brown nucleus, with convex whorls (their number probably will have been 4
of which 2 are wanting), sculptured by curved riblets, crossed by oblique finer ones in the lower
part, which is consequently finely reticulated. Subsequent whorls convex, angular, gradate by
a conspicuous excavation of the upper part, lower part perpendicular. Spirals consisting of a
keel and a few, rather strong, slightly fiattened lirae on the lower part, 4 in number on penult-
imate whorl and 2 narrow ones at the base of excavation, just above the keel; last whorl with
numerous stronger, flat lirae, eventually divided by a very fine groove, and some intermediate
ones. The axial sculpture consists of numerous fine growth-striae and curved riblets in the upper
part of excavation, less pronounced on last whorl, not quite extending to the keel. Last whorl
convex, regularly attenuated towards the rather long canal. Aperture elongate, angular above,
ending in a long, gutter-like canal below. Peristome broken, probably with a moderately wide,
shallow sinus. Columellar margin concave, with a rather strong layer of enamel along the canal.

Alt. io1/,, lat. 41/,.; apert. alt. 51/,, lat. i1/,, MUI.

Still allied to the preceding 2 species, but less biconical in shape, with more slender
canal and very different in particulars of sculpture.

4. Pleurotomella ceramensis n. sp. PI. XXX, fig. 3.

Stat. 178. 2°4o'S., I28°37'.5 E. Ceram-sea. 835 M. Blue mud. 2 Spec.

Shell shortly fusiform, transparently white. Whorls 8, of which 4 form a yellowish-brown
nucleus, with convex whorls, the uppermost broken, the other ones with curved riblets, crossed
by oblique, slightly finer ones, over a large part of their breadth. Subsequent whorls rather
convex, angular, with a broad, excavated, upper part, a rather narrow, nearly straight, lower
part, this lower part with narrow, obtuse, axial ribs, occupying also the lower part of excav-
ation, about 17 in number on last whorl, where they are fainter near aperture; these ribs are
crossed by 2 strong spirals on upper 2 whorls, 3 on penultimate and numerous ones on last
whorl, the upper spiral forming a keel, which is tuberculiferous by the intercrossing of the ribs;
moreover there are fainter spirals in some of the interstices and just above the keel, in the
basal part of excavation, 3 in number in penultimate whorl; the excavation is crossed by curved
riblets or plicae in its upper part, and the whole shell is covered with fine growth-striae. Last
whorl regularly attenuated below, with a rather short canal. Aperture angular above and at
the end of keel, with a probably shallow sinus, be!ow the suture ; peristome broken ; columellar
margin with a thin layer of enamel; canal a little broken, probably gutter-like.

Alt. ó1/^ lat. 3; apert. alt. 31/,, lat. il/t MUI.

Si

SIBOGA-ExrEDITIE XLIx'i'. 5S

1 1"

rding to Mr. Melvill, is allied to D. eulimenes Melv. (Jovyn. of Mal.
\l, p. 84, PI. 8, fig. 15), hut different; the Siboga-shell is considerably ! nder,

the < tcavation is much larger and the sculpture coarser.

/'.'..; : mella clathurcllaeformis n. sp. PI. XXX, fig. 4.
Stal S., 128 l - Ceram-sea. 835 M. Blue mud.

Shell elongately-fusiform, thin, transparent, white. Whorls about 9, <<( which about ;,
form a reddish-brown nucleus, composed of convex whorls, with riblets in different directions, but
nu. -leus being rather worn, tin- sculpture is not prominent. Subsequent whorls convex, with
a narrow vated part below the deep suture; the excavation is crossed by numerous, slightly

curved, axial riblets. The convex pari of whorls is sculptured by strong, rounded, oblique,
axial rihs, 1 1 in number on last whorl, I by strong spirals, <> in number on penultimate

whorl, "f which 4 are stronger and are esp'ecially prominent on the crest of axial rihs; these
rihs disappear on the base of last whorl, which, as well as the rather short canal is lirate.
Aperture o val, angular above, ending below in a rather narrow, slightly curved, compre
canal: peristome thin, with a narrow, shallow sinus above; columellar margin concave, with
a thin layer of enamel, directed to the left near the canal.

Alt. S'/v lat. 3 ; apert. alt. 31/,, lat. 1 MUI.

As the nucleus was not in perfect condition, the generic position seemed to be some-
what doubtful, hut the contrast in colour, between nucleus and rest of shell, the riblets below
the suture and other characters it has in common with the preceding species, have at last given
the n.

6. P leurotomella extensaeformis n. sp. PI. XXX, fig. 5.

Stat. 212. 5 54'. 5 S., 120 [q'.2 E. Banda-sea. 462 M. Fine grey and green mud. 1 Spec.

Shell ovate, with short spire, rather strong, ivory-white. Whorls 8 or 9 (upper pari
eroded) of which 3 (or 4) form a reddish-brown, convexly-whorled nucleus, of which about 2
ilptured by slightly curved riblets, crossed in their lower part by fine, oblique
striae. Subsequent whorls scarcelj ated, the place of the excavation being occupied for a

•_rre.it deal by a rather strong, subsutural spiral, adorned by strong, laterally compressed beads,
22 in number on last whorl; below this spiral remains a rather large groove. Basal part of
whorls with narrow, a little oblique rihs, [5 in number on last whorl, ending below the groove
in short tubercles, which are connected by a second spiral; the space between the ribs is sculp-
tured by fine and co growth-lines and faint spiral striae, becoming stronger and groovelike
ds the of last whorl, and have the character of lirae on the short, large canal; last
whorl regularly convex, until the canal. Aperture oval, with a moderately sharp angle above
and a wide, slightly gutter-like canal below; peristome broken, probably with 3 very shallow
sinu^ growlh-lin< columellar margin with a thin layer of enamel, concave. Canal
dip left.

. . apert. alt. 3, lat. 1 MUI.

82

447

This species is very peculiar, it has some resemblance with P leurotomella (Gymnobcla)

extcnsa Dall (Buil. Mus. Comp. Zool. Vol. XVIII, 1889, p. 126, PI. 10, fig. 2), but differs

much by the spiral sculpture, which seems not to exist in that species, which is moreover
more slender.

7. Platroiomella abbreviata n. sp. PI. XXX, fig. 6.

Stat. 178. 2°4o'S., I28°27'.5E. Ceram-sea. 835 M. Blue mud. 2 Spec.

Shell small, shortly biconical, thin, transparently white. Whorls about 8 (nucleus slightly
eroded), of which 4 form a brownish (bleached) nucleus, of apparently the same character as
in the preceding species. Subsequent whorls (excepted last one), practically existing only of the
excavation, which is sculptured by curved, raised striae and is bordered, just below the suture,
by a conspicuous, spiral liration, with laterally compressed, fold-like beads, becoming fainter
towards the aperture, and, just above the suture, a second row of depressed, slightly pointed
tubercles, forming a keel below the excavation of last whorl, about 1 2 in number on that
whorl, where they form the top of short, oblique, axial ribs ; lower part of last whorl, with
about 1 5 lirae and a few intermediate ones. Moreover fine growth-striae and excessively small
granules are visible on the whole shell, by the aid of a strong lens ; last whorl regularly attenuated
towards its base, only slightly convex, with a very short, broad canal. Aperture obliquely oblong,
with a sharp angle above and a narrow gutter-like canal below; peristome thin, with a wide,
moderately deep sinus above; columellar margin slightly concave above, straighter and directed
to the left along the canal, with a thin layer of enamel, thicker below.

Alt. 6, lat. 3Yt; apert. alt. 3, lat. 1 Mill.

This species is quite different from any of the preceding or elsewhere known ones by
its shape and sculpture.

8. Pleurotomella pyriformis n. sp. PI. XXX, fig. 7.

Stat. 178. 2°40'S., I28°37'.5E. Ceram-sea. 835 M. Blue mud. 1 Spec.

Shell pyriform, with acute spire, ivory-white, thin, fragile. Whorls 8, of which 4 form
a light-brown nucleus, with convex whorls, remote riblets on the upper part, oblique, and less
stronger ones, which cross each other, in the lower part. Subsequent whorls scarcely convex,
with only a tracé of being divided into 2 parts on the upper two ; however, the upper part is
marked with elegantly curved, conspicuous riblets, being slightly bead-like just below the suture,
on a narrow, infrasutural spiral; lower part of last whorl, with numerous, faint, spiral striae,
stronger on the rather long, slender canal; moreover the lower whorls display elegantly waved
growth-lines. Aperture oval, with a sharp angle above and a narrow gutter-like canal below,
which is directed to the right. Peristome much broken, probably with a wide, shallow sinus above;
columellar margin with a very thin layer of enamel, slightly stronger along the canal.

Alt. f\v lat. 33/t; apert alt. 4%, lat. i1/., Mill.

The generic position of this shell seems to be somewhat doubtful, but the characters

83

1 apert with those ol the preceding ones, the sculpture is likewise more

with the present genus, than with Daphnella.

•fontilla dubia n. sp. 1*1. XXX, fig. 8.

Stat. ij - ; < S.. 1 28 M. Blue mud. 2 Spec.

Shell fusiform, transparently white, thin. Whorls about 9, ofwhichabout 3 form a reddish-
brown nucleus, with crossed riblets. Subsequent whorls angular, the upper part excavated, with
remote, faint, axial plicae below the suture, nearly lacking in last whorl; lowerpart with rounded,
more <>r less oblique ribs, ending above, just below the excavation, in bluntly pointed tubercles,
1 ; or 1 ( "ii last whorl, otherwise this lower part is smooth, but for numerous growth-striae
and .1 few, scarcely appreciable, spiral striae: near the base of last whorl however and especially
on the rather long, narrow canal, numerous spirals make their appearance. Aperture elongately
ovate, with a sharp angle above, a narrow gutter-like canal below \ peristome thin (brol
according to growth-lines with a wide, shallow sinus above; columellar margin rather straight,
with a thin layer <>t" enamel.

Alt. k. ,. lat. 6' . apert. alt. 8x/4, lat. 2*/4 Mill.

Alt. 141 ,, lat. 5'/.,; apert. alt. 71/-,, lat. 2 Mill.

1 smallest specimen is in the best condition and has served for description, the largest
one has the aperture less angular, which may be caused by having been broken and repaired; the
characters are not very prominent, but the species is certainly different from the former ones.

var. circutnstriata n. var.

From the same locality, a heavily broken shell, with the lower half of whorls spirally
grooved. 7 grooves on penultimate whorl, has been dredged; the specimen is larger, but other-
wise I see no differences of much importance, the more so, as the two specimens of the type
are even not perfectly identical; as a large portion of last whorl is broken away, the shell
appears to be much more slender, but if complete, this difference would disappear for a good
deal, so I preferred to mention it only as a variety; the nucleus, though eroded, allows to
tracé the characteristic sculpture; length 24 Mill.

Spergo Dall.P

1. Spergo Sibogae n. sp. PI. XXX. tig. 9.

Stat. 262. 5°53'.8S., I32°48'.8E. Near Kei-islands. 560 M. Solid bluish grey mud. 1 Sp

Shdl fusiform, rather strong, yellowish-brown. Nucleus wanting, remaining whorls .,,

moderately convex, slightly excavated below the conspicuous but shallow suture. Sculpture

of remote, oblique, axial ribs, conspicuous in upper whorls, fainter lower on, disap-

Li k of last whorl, forming tubercles below the excavation, which in upper whorls

ie, just below the suture; the lower part of whorls is crossed by very numerous

449

spiral striae, conspicuous in upper whorls, faint on last one, but stronger towards and on the canal.
Aperture elongately-oval, angular above, with a wide canal below; peristome damaged, according
to the fine growth-lines, with a very shallow sinus above, then regularly arched ; columellar
margin concave above, then nearly straight, at last slightly directed to the left, covered with
a layer of enamel, which is thin above, stronger below. Interior of aperture smooth.

Alt. 54, lat. 18; apert. alt. 271/,, lat. f/.2 Mill.

A rather doubtful species, which I thought might still belong to Surat/a, but Mr. Smitii,
who compared it in the British Museum, thinks it may be a Spergo, a group described by
Dall (Proc. U. S. Nat. Mus. Vol. XVII, 1894, p. 680), with 2 Species (1. c. PI. 24, fig. 1, 2,
PI. 31, fig. 11); unfortunately the nuclear whorls, which ought to be of a Süiuszgera-chai:a.cter,
with oblique, reticular, curved sculpture is wanting, as well as the soft parts, with or without
an operculum. Of the two species described and figured, it resembles more S. daphnelloides Dall
in shape and sculpture. I have foliowed Mr. Smith's advice, though, under these unfavorable
circumstances, with considerable doubt.

Daphnellopsis n. gen.

Shell elongately-fusiform, with smooth nucleus, aperture elongated, with a strong varix
exteriorly, behind the peristome, which, in some measure is doublé, the internal peristome with
a horizontal upper margin, a denticulated outer one, with a wide shallow sinus at the point of
junction and an angle at the entrance of the short, slightly upturned canal ; columellar margin
slightly concave above, with a conspicuous layer of enamel.

Type: D. lamel losa Schepman.

1. Daphnellopsis lamellosa n. sp. PI. XXX, fig. 10.

Stat. 306. 8°27'S., 1220 54'. 5 E. Savu-sea. 247 M. Sandy mud. 5 Spec.

Shell same characters as genus, whitish. Whorls 6, of which about i1/,, form a convex,
smooth, slightly inclining nucleus ; post-nuclear whorls convex, separated by a deep suture.
Sculpture consisting of numerous, lamellose ribs, 26 in number on last whorl, besides a sharp
one behind peristome; these ribs are waved by the intercrossing of spiral lirae, 4 principal and
a few intermediate ones on penultimate whorl, more lamellose and prominent near the aperture
and at the base and canal of last whorl, where they amount to about 16; true peristome strong,
with 6 denticles below upper sinus and another at some distance, at the entrance of canal,
the so-called exterior peristome, consists of many layers around upper sinus. Columellar margin
with the layer of enamel thin and appressed above, thick and nearly loosened below.

Alt. 9, lat. 3; apert. alt. 41/,, lat. i»/, Mill.

Alt. 8, lat. 3; apert. alt. 3*/., lat. 11/. Mill.

First measurements of the largest specimen with nucleus, but no developed inner peris-
tome, second ones of specimen without nucleus, but with the peristome quite complete.

This remarkable species is one of the puzzles of the Siboga-collections. It is impossible
to locate it with any certainty in one of the groups of Gastropods ; the sinus makes it probable

85

irotomoid, and in this case, nearesl allied to Daphnella or Clathurelia\ its very
shallow sinus pleads for the alliance with Daphnella \ only the soft parts could probably give
it, but unfortunately they are wantii

Mitromorpha A. Ad. mis.
i. M orpha lirata A. Adams.

A. Adams. Ann. Mag. Nat. llist. Vol. XV, i!

Stal ij of Badjo, \\ I "t" Flores. Up to 40 M. Mud, sand and shells. 1 Spec.

S veral other specimens belong to several groups of the Pleurototnidae, but art; too
young or bad nr both for description; only in few cases I have mentioned them, but in view
of the doubtful generic position, I have omitted the majority, which manner is certainly no
to sciei

S6

APPENDIX.

Here follow a few species, which have been found in tubes or boxes and have been
overlooked, partly because they were concealed in the aperture of larger species, partly by their
real affinïty not having been recognized, when the collection was provisionally arranged in
larger and smaller groups; so for instance those now recorded as Trop/wn, which, with their
damaged peristomes made the impression of belonging to the Pleurotomidae, until a closer
examination, broucjht to light the total absence of the characteristic sinus.

"O Q

PART I.

p. 36. after Nn 1 add. :

2. Cyclostrema euchilopteronoides n. sp. PI. XXX, fig. 11.

Stat. 285. Near South coast of Timor. 34 M. Limit betvveen mud and coral, Lithothamnion.
1 Spec.

Shell quoit-shaped, strong, light yellowish-white. Whorls 4, rounded, separated by a deep
suture; spire scarcely raising above last whorl, first whorl vitreous, nearly smooth, last whorl
and a small part of penultimate one, with numerous, raised, spiral striae on a zone at the suture ;
at the rounded periphery and in the wide umbilicus they are coarser than on the two inter-
mediate zones, where they are extremely fine ; they are crossed by growthdines, stronger towards
aperture. Aperture transversely oval, peristome thick, upper margin protracted in a peculiar
trigonal wing. Umbilicus wide, pervious, funnel-shaped.

Alt. iVjj, lat. 41/, ; apert. alt. (perpendicularly) ilL, lat. 2 Mill.

This species, by its winged peristome, reminds C. euchilopteron Melv. (Ann. Mag. Nat.
Hist. Ser. 7, Vol. XIII, 1903, p. 292, PI. 20, fig. 7), especially if seen from below, but is quite
different by its wanting of keels, other particulars of sculpture, size etc.

PART IV.

p. 254 (S), to N" 16, O Uva ispidula Linné, add.:

Stat. 179. Kawa-bay, West coast of Ceram. $6 M. Stony bottom. 1 Spec.

p. 329 (83) to N" 1, Columbella pardalina Lamarck, add.:
*N. A. M. Isle of Enkhuizen near Batavia. 1 Spec.

This specimen is nearly entirely white, with only one row of black spots below the suture.

87

ifter \ ;. .i.l.l. :

tus n. sp. I'l XXX. fig. 1 2.

• , 5 . 118 i ; . ■ 1 I u. 1 int grey mud with liolariae and

diatomcs. i Spi

Shell fusiform, thin, white, with moderate] y long spire and canal. Whorls aboul 7, nucleus
and subsequent whorls eroded, remaining \ whorls o mvi \, angular, separated by a deep suture. Sculp-

iisting <'t";i\i.il rilis, rather remote on upper whorls, 1 9 in number on penultimate whorl, nearly
disappearing <>n last one and numerous, raised striae or growth-lim ed bj spirals, of which

a subsutural one is beaded, as well as those on the angle ol keel; above this latter are a few
faint spirals and more numerous ones on lower part of whorls, 1 on penultimate, about 2c;
on last whorl and canal, faintly beaded or crenuliferous at the points of intercrossing. Aperture
elongately-oval, with a rather Munt angle above, ending below in a rather narrow canal;
tome broken, columellar margin slightly concave above, straight below and along the canal,
with a thin la\ ■ namel.

Alt. [8 . lat. 7 ,: apert. alt. about o1/., lat. about iiji MUI.

This is one of the P/euroloma-\ike species, which 1 should hardly have described, were
it not tor the 1 able depth at which it has been dredged.

5. Trophonl celebensis n. sp. PI. XXX, fig. 13.

Stat. 212. 5 54.5 S., [2 1 1 ..' I . 4.62 M. Fine grey and green mud. 1 Spec.

Shell fusiform, with conical spire and moderately long canal, greyish (dead?). Whorls
: which about 3 form a convexly-whorled nucleus, with numerous, axial riblets; post-nuclear
whorls convex, strongly keeled at periphery. Sculpture consisting of narrow, oblique, axial ribs,
protracted towards the deep suture, 20 in number on last whorl, and rather faint, spiral lirae,
5 in number on penultimate whorl, about 20 on last whorl and canal, with a few intermediate
ones; on the points of intercrossing the ribs are elongately beaded; on the uppermost of lirae
or keel. they form nearly blunt spines ; zone between keel and suture without lirae. Aperture
ately <>val. angular above, ending in a rather narrow canal below, peristome much broken,
columella nearly straight, with a conspicuous layer of enamel.

Alt. 1 61/,, lat. about 7 ; apert. alt. S\,, lat.? (too much broken).
ime observation as for the preceding species; however, this shell, with its protracted
top of ribs, might perhaps prove to be a Pleurotomoid, il" the soft parts could be consulted.

As I have omitted to choose types for the two new genera, erected by me in Part I,
ow wish to repair that omission, in accordance with the rules of nomenclature.

ription of the genus Solariellopsis, add. : type: Solariellopsis calcarata Schepm.
61, aib-r description of the genus Guttula, add.: type: Guttula Sibogae Schepm.

SS

Fig.

I.

2.

3-

Fig.

4-

Fig.

5-

6.

Fig.

7-

8.

1 '

9

IO.

1

1 1.

1 2.

1'LATK XXV.

Conus filicinctus n. sp.

Conus mucronatus Reeve, var. Sibogae n. var.
Conus delicatus n. sp.
Conus elegans n. sp.
Ter eb ra exiguoides n. sp.
Terebra Macgillivrayi Smith.
Terebra turrita Smith.
Terebra multistriata n. sp.
Terebra undulata Gray var. laei'ior n. var.
Ter cbr a tl uren sis n. sp.
Terebra trieincta Smith.

Terebra ArehuneJes Deshayes, c. sculpture more cnlarged.
13. Terebra virgo n. sp.

Siboga- Expeditie. XLIXV. — M. M. Schepman. Prosobranchia.

XXV.

■mi T

■^fU

"-«

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1

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PLATK XXVI.

i. Pleurotoma truncata n. sp.
Fig. 2. Pleurotoma Sibogae n. sp.
Drillia subangusta n. sp.

Dr ül ia r libido f u se a n. sp.
Drillia pagodaeformis n. sp.
Drillia Aesopus n. sp.
Dr il I ia rubrozonata n. sp.
Drillia rufolineata a. sp.
Pr ill ia kwandangensis n. sp.
Drillia titnorensis n. sp.

Fig.

3'

1 i -

4-

Fig.

5'

6.

Fig.

7>

1 -

8

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Fig.

IO

SIBOGA -EXPEDITIE. XI.IX. l<> M.M. Sl'HEPMAN, PKOSOBRANCHIA.

XXVI.

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l'LAÏK XXVI].

Drillia batjanensis n. sp.
Drillia Sibogae n. sp.
Drillia suluensis n. sp.
Drillia madurensis n. sp.
Borsonia Smithi n. sp.
Ancistrosyrinx pulchella n. sp.
Surcula Melvillt n. sp.
Surcula supracostata n. sp.
Surcula tintorensis n. sp.
Surcula pyramidalis n. sp.
Surcula brachytoma n. sp.
Surcula obtusigemmata n. sp.
Surcula undosa n. sp.

S1B0GA -EXPEDITIE. XUX. Ie M.M. SCHEPMAN. PROSOWi4N0HIA.

XXVII.

2
I

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a

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12

13

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HEU0TYP1E.LVAN LECRAC9 AMSTERDAM.

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PLATE XXVI11.

i. Surcula variabilis n. sp., a, largest, b, c. smaller specimen.
Surcula fulchra n. sp.
Surcula trophonoides n. sp.
Surcula biconica n. sp.
Surcula celebensis n. sp.

Surcula Nierstraszi n. sp., c. tooth of radula.
Clavosurcula Sibogae n. sp.
Mangilia butonensis n. sp.
Mangilia rufostrigata n. sp.

Mangilia multigranosa n. sp., f. sculpture, much enlarged.
Mangilia scptcnicostata n. sp.
Mangilia multicostata n. sp.
Mangilia savuensis n. sp.

SIBOGA-EXPKDITIF.. XLIX. 1e M.M. SCHEPMAN, PROSOBRANCHIA.

XXVIII.

a

(i

10

11

J. F.Obbes, Fiy. 6? M.M.SM.

PLATE XXIX.

Mangilia crassicingulata n. sp.

Mangilia haltnakerica n. sp., ,/. largest, />. smaller specimen.
Lienardia granulifera n. sp.
Lienardia peristernioides n. sp.
Clathurella virgo n. sp.
6. Clathurella rufoapicata n. sp., r. apex, much enlarged.
Daphnella supracancellata n. sp.
Daplinclla elegantissima n. sp.
Daphnella celebensis n. sp.
10. Ihipluiclla subuloides n. sp.
Fig. ii. Daphnella suluensis n. sp.
i i 2. Daphnella perfragilis n. sp.

13. Pleurotomella biconica n. sp., <:. apex, much enlarged.

Fig.

1

2

1

3'

1

4

5-

Fig.

6.

Fig.

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9

SIBOCA-KXPKDITIE. XI.IX. Ie M.M. SUIRPMAN, PROSOBRANCHIA.

AXK.

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HEU07VP1£,LV*ri L£E**A-C? A^STE^OAV.

1'LATK XXX,

i. Pleurotomella affinis n. sp., c. apex, much enlarged.
Pleurotomella gr adat a n. sp., c. apex, much enlarged.
: 5. Pleurotomella ceramensis n. sp., c. apex, much enlarged.

i 4. Pleurotomella clathurellaeformis n. sp., c. apex, much enlarged.

;. Pleurotomella extensaeformis n. sp., e. apex. much enlarged.
I 6. Pleurotomella abbreviata n. sp.. c. apex, much enlarged.

7. Pleurotomella pyriformis n. sp ijiex, much enlarged.

i 8. Pleurotomella dubia n. sp., c. apex, much enlarged.

n. sp.
1 10. Daphnellopis lamellosa n. sp., a. Ik large specimen, r. smaller one with

peristome fully developed.
I 11. Cyclostrema euchilopteronoides n. sp.

ij. Trophon ftoresianus n. sp.
[3. Trophon celebensis n. sp.

S1B0GA -EXPEDITIE. XLIX.le. M.M. SCHEPMAN, PUOSOHKANCHIA.

XXX.

%

a

▲

a

^£9

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"tUOTYPie.LVAN LEER.1-

RÉSULTATS DES EXPLORATIONS
ZOOLOGIQUES, BOTANIQUES, OCÈANQGRAPHIQUES ET GÉOLOGIQUES

ENTKEPRISES AUX
IMDES NÉERLANDAI3E3 ORIENTALES en 1899 — 1900,

a bord du SIBOGA

SOUS LE COMMAHDEMENT DE

G. F. TYDEMAN

PUBLIÉS PAR
MAX -VVKBKR

Chef de 1'expédition.

*I.

*II.

*11I.

IV.

*l\'öis.

V.

*V1.

VII.

*VI1I.

*IX.

*x.

*XI.

*XII.

*XIII.

XIV.

«XV.

*XV1.

XVII.

XVIII.

XIX.

♦ XX.
♦XXI.

XXII.

XXIII.

♦XXIVi.

XXIV2.

♦ XXV.
♦XXVI.

*XXVI«w.

XXVII.

XXVIII.

♦XXIX.

♦XXX.

♦XXXI.

XXXII.

XXXIII.

♦XXXIV.

XXXV.

♦XXXVI.

♦ XXXVII.
XXXVIII.

♦ XXXIX.

♦ XL.
XLI.

♦ XLII.
«XLIII.
*XLIV.

♦ XLV.
XLVI.

♦XL VII.

♦ XLVIII.
♦XLIX'.
♦XLIX2.

♦ L.

♦LI.

♦Lil.

*LIII.

♦LIV.

LV.

♦ LVI.
LVII.

LVIII.

LIX.

♦LX.

♦LXI.

♦LXII.

LXIII.

LXIV.

LXV.

LXVI.

Iutroductiou et description de 1'expédition, Max We bei-.
Le bateau et son équipement scientiSque, G. F. Tydeman.
Résultats hydrographiques, G. F. Tydeman.
Foramiuifera, F. "W. Winter.
Xenophyophora, F. E. Schulze.
Radiolaria, M. Hartmann.
Forifera, G. C. J. Vosmaer et I. Ijima ').
Hydropolypi, A. Billard.

Stylasterina, S. J. Hickson et M"e H. M. England.
Siphonophora, Miles Lens et van Riemsdijk.
Hydromedusae, O. Maas.
Scyphomedusae, O. M a a s.
Ctenophora, M'l« F. Moser.

Gorgonidae, Alcyonidae, J. Versluys, S. J. Hickson,
[O. C. Nutting et J. A. Thomson ').
Fennatulidae, S. J. Hickson.
Actiniaria, P. Mc Murrich').
Madreporaria, A. Alcock et L. Döderlein ').
Antipatharia, A. J. van Pesch.

Tuvbellaria, L. von Graff et R. R. von Stummer.
Cestodes, J. W. Spengel.
Nematomorpha, H. F. Nierstrasz.
Chaetognatha, G. H. F o wier.
Nemertini, A. A. W. Hub recht.
Myzostomidae, R. R. von Stummer.
Polychaeta errantia, R. Horst1).
Polychaeta sedentaria, M. Ca uil e ry et F. Mes uil.
Gephyrea, C. Ph. Sluiter.
Enteropueusta, J. W. Spengel.
Ptcrobranchia, S. F. H arm er.
Brachiopoda, J. F. van Be m melen.
Polyzoa, S. F. H arm er.
Copepoda, A. Scott1).
Ostracoda, G. W. Muller.
Cirrhipedia, P. P. C. Hoek ').
lsopoda, H. F. Nierstrasz.
Amphipoda, Ch. Pérez.
Caprellidae, P. May er.
Stomatopoda, H. J. Hansen.
Cumacea, W. T. Calman.
Schizopoda, H. J. Hansen.
Sergestidae, H. J. Hansen.
Decapoda, J. G. de Man et J. E. W. Ihle ').
Pantopoda, J. C. C. Loman.
Halobatidae, J. Th. Oudemans.
Crinoidea, L. Döderlein et Austin H. Clark').
Echinoidea, J. C. H. de Me ij e re.
Holothurioidea, C. Ph. Sluiter.
Ophiuroidea, R. Kohier.
Asteroidea, L. Döderlein.
Solenogastres, H. F. Nierstrasz.
Chitonidae, H. F. Nierstrasz.
Prosobranchia, M. M. Schep man1).
Prosobranchia parasitica, H. F. Nierstrasz et M. M.
Opisthobranchia, R. Bergh. [Schepmau.

Heteropoda, J. J. Tesch.
Pteropoda, J. J. Tesch.

Lamellibranchiata, P. Pelseneer et Ph. Dautzenberg ').
Scaphopoda, M'le M. Boissevain.
Cephalopoda, L. J o u b i n.
Tuuicata, C. Ph. Sluiter et J. E. W. Ihle.
Pisces, Max Weber.
Cetacea, Max Weber.
Liste des algues, Mme A. Weber.
Halimeda, MUe E. S. Barton. (Mme E. S. Gepp).
Corallinaceae, Mme A. Weber et M. F os 1 ie.
Codiaceae, A. et Mme E. S. Gepp.
Dinoflagellata. Coccosphaeridae, J. P. Lotsy.
Diatomaceae, J. P. Lotsy.
Deposita manna, O. B. Böggild.
Résultats géologiques, A. Wichmann.

Siboga-Expeditie

THE

-35

PROSOBRANCHIA OF THE SIBOGA EXPEDITION

BY

M. M. SCHEPMAN

Bosch en Duin near Utrecht (Holland)

PART V

TOXOGLOSSA

With 6 plates and 1 textfigure

A »■>

Monographie XLIX1^ of:

UITKOMSTEN OP ZOOLOGISCH,
BOTANISCH, OCEANOGRAPHISCH EN GEOLOGISCH GEBIED

verzameld in Nederlandsen Oost-In die 1899 — 1900

aan boord H. M. Siboga onder commando van
Luitenant ter zee ie kl. G. F. TYDEMAN

UITGEGEVEN DOOR

Dr. MAX WEBER

Prof. in Amsterdam, Leider der Expeditie

(met medewerking van de Maatschappij ter bevordering van het Natuurkundig
Onderzoek der Nederlandsche Koloniën)

BOEKHANDEL EN DRUKKERIJ

VOO UU KI IC

E. J. BRILL

LEIDEN

Publié Avril 1913

» Les numéros avec uu astérique ont déja paru; ceux marqués 1) seulement en partie

Voor dé uitgave van de resultaten der Siboga-Expeditie hebben
bijdragen beschikbaar gesteld:

Maatschappij ter bevordering van liet Natuurkundig Onderzoek der Nederlandschc
Koloniën.
Het Ministerie van Koloniën.
Het Ministerie van Binnenlandsche Zaken.

liet Koninklijk Zoologisch Genootschap > Natura Artis Magistra" te Amsterdam.
De »Oostersche Handel en Reederij" te Amsterdam.

De Heer B. H. de Waal Oud-Consul-Generaal der Nederlanden te Kaapstad.
M. B. te Amsterdam.
The Elizabeth Thompson Science Fund.
Dr. J. G. de M. te Ierseke.

CONDITIONS GÉNÉRALES DE VENTE.

i°. L'ouvrage du „Siboga" se composera d'une série de monographies.

2°. Ces monographies paraitront au fur et a mesure qu'elles seront prêtes.

3°. Lc prix de chaque monographic sera différent, mais nous avoris adopté comme base générale du prix de
vente: pour une feuille d'impression sans fig. flor. O.15; pour une feuille avec fig. flor. 0.20 a 0.25;
pour une planche noire flor. 0.25; pour une planche coloriée flor. 0.40 ; pour une photogravure flor. 0.60.

4°. 11 y aura deux modes de souscription :

a. La souscription a l'ouvrage complet.

b. La souscription a des monographies séparées en nombre restreint.
Dans ce dernier cas, Ie prix des monographies sera majoré de 25%.

rage sera réuni en volumes avec titres et index. Les souscripteurs a l'ouvrage complet recevront
ces titres et index, au fur et a mesure que chaque volume sera complet.

CJ r Ul Souscription Monographics

a 1'ouvrage complet séparées

ie Livr. (Monogr. XLIV) C. Ph. Sluiter. Die Holothurien der Siboga-Expedition. Mif. 10 Tafeln. ƒ 6.— ƒ 7.50

2e Livr. (Monogr. LX) E. S. Barton. The genus Halimeda. With 4 plates. . „ 1.80 „ 2.40

3e Livr. (Monogr. I) Max Weber. Introduction et description de 1'expédition. Avec Liste des

Stations et 2 cartes ' » 6.75 „ 9. —

4e Livr. (Monogr. II) G. F. Tydeman. Description of the ship and appliances used for scientific

exploration. With 3 plates and illustrations „ 2.— „ 2.50

5e Livr. (Monogr. XLVII) H.F. Nierstrasz.TheSolenogastresoftheSiboga-Exp.With6plat.es. „ 3.90 „ 4.90

6e Livr. (Monogr: XIII) J. Versluys. Die Gorgoniden der Siboga-Expedition.

I. Die Chrysogorgiidae. Mit 170 Figuren im Text „ 3. — „ 3.75

7e Livr. (Monogr. XVI a) A. AlCOCk. Report on the Deep-Sea Madreporaria of the Siboga-
Expedition. With 5 plates „ 4-6o „ 5.75

8e Livr. (Monogr. XXV) C. Ph. Sluiter. Die Sipunculiden und Echiuriden der Siboga-Exp.

Mit 4 Tafeln und 3 Figuren im Text ; . . . . „ 3. — „ 3.75

9e Livr. (Monogr. Vla) G. C. J. Vosmaer and J. H. Vernhout. The Porifera of the Siboga-
Expedition. I. The genus Placospongia. With 5 plates „ 2.40 „ 3.—

10e Livr. (Monogr. XI) Otto Maas. Die Scyphomedusen der Siboga-Expedition. Mit 12 Tafeln. „ 7.50 „ 9.50

11e Livr. (Monogr.- XII) Fanny Moser. Die Ctenophoren der Siboga-Expedition. Mit 4 Tafeln. „ 2.80 „ 3.50

12e Livr. (Monogr. XXXIV) P. Mayer. Die Caprellidae der Siboga-Expedition. Mit 10 Tafeln. „ 7.80 „ 9.75
13e Livr. (Monogr. III) G. F. Tydeman. Hydrographic results of the Siboga-Expedition. With

24 charts and plans and 3 charts of depths „ 9. — „ 11.25

14e Livr. (Monogr. XLIII) J. C. H. de Meijere. Die Echinoidea der Siboga-Exp. Mit 23 Tafeln. „ 15.— „ 18.75

15e Livr. (Monogr. XLVa) René Koehler. Ophiures de 1'Expédition du Siboga.

ie Partie. Ophiures de Mer profonde. Avec 36 Planches „ 16.50 „ 20.50

16e Livr. (Monogr. LII) J. J. Tesch. The Thecosomata and Gymnosomata of the Siboga-
Expedition. With 6 plates » 375 » 4-7°

17e Livr. (Monogr. LVI«) C. Ph. Sluiter. Die Tunicaten der Siboga-Expedition.

I. Abteilung. Die socialen und holo'somen Ascidien. Mit 15 Tafeln „ 6.75 „ 9. —

18e Livr. (Monogr. LXI) A. Weber— van Bosse and M. Foslie. The Corallinaceae of the Siboga-
Expedition. With 16 plates and 34 textfigures „ 12.50 „ 15. 50

19e Livr. (Monogr. VIII) Sydney J. Hickson and Helen M. England. The Stylasterina of

the Siboga Expedition, With 3 plates . „ 1.50 „ 1.90

20e Livr. (Monogr. XLVIII) H. F. NierstraSZ. Die Chitonen der Siboga-Exp. Mit 8 Tafeln. „ 5.— „ 6.25

21e Livr. (Monogr. XLVè) René Koehler. Ophiures de 1'Expédition du Siboga.

2e Partie. Ophiures littorales. Avec 18 Planches B 10.25 „ 12.75

22e Livr. (Monogr. XXVlfos) Sidney F. Harmer. The Pterobranchia of the Siboga-Expedition,

with an account of other species. With 14 plates and 2 text-figures • • „ 6.75 „ 9. —

23e- Livr. (Monogr. XXXVI) W. T. Calman. The Cumacea of the Siboga Expedition. With

2 plates and 4 text-figures „ 1.80 n 2.40

24e Livr. (Monogr. LVIrt) C. Ph. Sluiter. Die Tunicaten der Siboga-Expedition.

Supplement zu der I. Abteilung. Die socialen und holosomen Ascidien. Mit 1 Tafel. „ — .75 „ 1. —

25e Livr. (Monogr. L) Rud. Bergh. Die Opisthobranchiata der Siboga-Exped. Mit 20 Tafeln. „ 11.25 » H-10

26e Livr. (Monogr. X) Otto Maas. Die Craspedoten Medusen der Siboga-Exp. Mit 14 Tafeln. „ 9.25 „ 12.50

27e Livr. (Monogr. XIII a) J. Versluys. Die Gorgoniden der Siboga-Expedition.

II. Die Primnoidae. Mit 10 Tafeln, 178 Figuren im Text und einer Karte . . . „ 12.50 „ 16.75

28e Livr. (Monogr. XXI) G. Herbert Fowler. The Chaetognatha of the Siboga Expedition.

With 3 plates and 6 charts .' , 4.20 „ 5.25

29e Livr. (Monogr. LI) J. J. Tesch. Die Heteropoden der Siboga-Expedition. Mit 14 Tafeln. „ 6.75 „ 9. —

30e Livr. (Monogr. XXX) G. W. Muller. Die Ostracoden der Siboga-Exped. Mit 9 Tafeln. „ 3.50 „ 4.40

31e Livr. (Monogr. lVóis) Franz Eilhard Schulze. Die Xenophyophoren der Siboga-Exped.

Mit 3 Tafeln , 2.40 „ 3.—

32e Livr. (Monogr. LIV) Maria Boissevain. The Scaphopoda of the Siboga Expedition.

With 6 plates and 39 textfigures „ 4.80 „ 6. —

33e Livr. (Monogr. XXVI) J. W. Spengel. Studiën über die Enteropneusten der Siboga-Exp.

Mit 17 Tafeln und 20 Figuren im Text „ 14.— „ 17.50

34e Livr. (Monogr. XX) H, F. NierstraSZ. Die Nematomorpha der Siboga-Exp. Mit 3 Tafeln. „ 2.80 „ 3.50

35e Livr. (Monogr. XIIL) Sydney J. Hickson und J. Versluys. Die Alcyoniden der Siboga-
Exped. I. Coralliidffi, II. Pseudocladochonus Hicksoni. Mit 3 Tafeln und 16 Figuren im Text. , 2.20 „ 2.75

1'rix :

k 1'ouviAg* complet vi-|.aifr%

P. P. C. Hoek. I In Cirripedia of the Siboga Expedition.

■i. ul.it. i. Wali io plates / 5.40 / 6.75

wl il./ L. Döderlein. 1 tielten Crinoiden der Siboga-Expedition. Mit

uu Text „ 8. — v 10. —

Albcrtine D. Lens .nul Thea van Riemsdijk. The Siphoaophorea

o. With S4 plates and 52 textfigures , 13.50 . 16.75

XI i\ ■•• M. M. Schepman. The Prosobranchia of the Siboi I pedition.

r.m I. Rhipidi . i' i, with au Appendix by Prof. K. Bergh.

With 9 plates and 3 textfigures

r. XI J. C. C. Loman. Die. Pantopoden «k-r Siboga-Expedition^ Mit 15
in und 4 Figuren im Text .

LVL J. E. W. Ihle. Die Appendicularien der Siboga-Expedition. Mit 4
[afeln umi 10 Figuren im Texl

1 xux- M. M. Schepman umi H. F. Nierstrasz. Parasitische Proso-

incnier der Siboga-Expedition. Mit 2 Tafeln

1 XI IX M. M. Schepman. The Prosobranchia of the Siboga Expedition.
Part II. Taenioglossa .nul Ptenoglossa. With 7 plates

ivr. Monogr. XXIX,; Andrew Scott. The Copepoda of the Siboga Expedition.

Part I. Free-swimming, Littora] and Semi-parasitic Copepoda. With 69 plates. .

45e Livr. 1 Monogr. I . \* I /■ C. Ph. Sluiter. Die Tunicatcn der Siboga-Expedition.

II. Abteilung. Die Merosomen Ascidien. Mit S Tafeln und 2 Figuren im Text.

XI.IXVl M. M. Schepman. The Prosobranchia of the Siboga Expedition.
Part III. Gvmnoglossa. With 1 plate

Livr. Monogr. XIII t*) C. C. Nutting. The Gorgonacea of the Siboga Expedition.

III. The Muriceida:. With 22 plates

48' Livr. (Monogr. XIII£') C. C. Nutting. The Gorgonacea of the Siboga Expedition.

IV. The Plexaurida. With 4 plates

Livr. Monogr. LVL/i J. E. W. Ihle. Die Thaliaceen (einschliesslich Pyrosomen) der
i-Expedition, Mit 1 Tafel und 6 Eiguren im Text

50* Livr. M :. i. XIII^2) C. C. Nutting. The Gorgonacea of the Siboga Expedition.

V. The Isid.e. With 6 plates

51e Livr. (Monogr. XXXVII) H. J. Hansen. The Schizopoda of the Siboga Expedition. With
16 plates and 3 text figures

mogr. XIII c**) C. C. Nutting. The Gorgonacea of the Siboga Expedition. .

VI. The Gorgonellidae. With 1 1 plates

Livr. (Monogr. XVa J. Playfair Mc Murrich. The Actiniaria of the Siboga Expedition.
Part I. C eriantnaria. With I plate and 14 text figures

54e Livr. (Monogr. XIII/'1 C. C. Nutting. The Gorgonacea of the Siboga Expedition.

VII. The (jorgonids. With 3 plates

55e Livr. (Monogr. XXXIX a) J. G. de Man. The Decapoda of the Siboga Expedition.

Part I. Family Penaeidae

56e Ln LXII) A. & E. S. Gepp. The Codiaceae of the Siboga Expedition including
a Monograph of Elabellarieae and Udoteae. With 22 plates

57c Livr. Monogr. XIIIó' C. C. Nutting. The Gorgonacea of the Siboga Expedition.

Vul. The Scleraxonia. With 12 plates

Livr. (Monogr. XLIXV M. M. Schepman. The Prosobranchia of the Siboga Expedition.
Part IV. Kachiglossa. With 7 plates

M Vla') G. C J. Vosmaer. The Porifera of the Siboga-Expedition.

II. Th( genus Spirastrella. With 14 plates

6o« Livi gr. XXXIX,*') J. G. de Man. The Decapoda of the Siboga Expedition.

Part II. Family Alpheidae

r LUIa Paul Pelseneer. Les Lamellibranches de l'Expédition du Siboga.
tie Anatomique. Avec 26 planches

XXIV' a) R. Horst. Polychaeta errantia of the Siboga Expedition.
I. Amphinomidae. With 10 plates

LUI/ Ph. Dautzenberg et A. Bavay. Les Lamellibranches de l'Expéd.
dii Partie Systématique. I. Pecttnidés. Avec 2 planches

M. M. Schepman. The Prosobranchia "f the Siboga Expedition.

Witll 6 plates and l textfigurc

I flur. = Mrk 1.70 = I nh. 8 d. = ft. 2.12 en chiffres arroodies.

, 480

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. 5-—

ff

6.25

„ 6.20

ff

7-75

v 6.4O

*

8.—

1 10.—

1»

12.50

. 3.85

-

4.80

, 2.25

ff

2.80

. 4-80

6.—