bah peat at yet parity or earl te? * trait ted H heat if a Pi ats > MHS ETRTeaTTo Sbeay i sa pnd 8 4 ates Lhe ed ue eae a Ee 143 MARR RUE RRM a ten SL i eat Sat ia Gassetletaeseeene J \ } 9) wn) aie 4th i y iy ich ‘. a ‘ f a, ad agnic4fr? \ 1 ) *. ‘ ; > o eats ae Oe aR eae atta eso ae ee sia eh ETE a FS ’ ishens ; titel teen ; ae md Bey epger dae eanOY ry : ens leh » best heer rsp bt er fereSineuryeebat CMTE Cle Lita nae i) ) a} , ’ yt p H \ Me behat Dente nese ress vs as PPL h4 ' } repented i Py es balabey ee ‘ { } fs ste $e ; , ; teipal 7 ‘\ wi] aria aa! oan be iat iy ) i ; 7 ; \ ait ray o ae . oa been amp neenesessre yess pat , ; ya et : wis Bins seen Bit er racsemn dal Wis hserer Hesrertn Ip ara ‘ i BI \ ' ae soda serenott ye Uh teers Ga LSD ope de tus 1 pbpeerel ee Mor be Papen Teta relien: OMe era ha tree Sef te alin Ge er be pated ed? wie , ‘ AX I} : - be pe’ ; , ! aoe li a of ‘ atent < r 4 he A hapebeleredopey ye os oe ory on A \ moon vernye Wt Ne Matis oy wv abebehy Pre! bets ae pe pabatsy Ais 1 ror i Lig Ee Wt yi ) ety fe ‘ ibrar rie) at test o ¥ yea ahi et Dla abebeted vrata prlelie Ts ” bw ee ee ity) ‘ae bre IMMA " hace Vyhaddewient wepel tigi php Shs d Da Petey ene iece * ) - ft lene i ye ue hv ecg 2 ® ): gti ie kwh He i ty , ") pital 3 4 ‘ 7 / rs Mt bate ot Py i 4 j yo ani v , lei lL ‘vie e ] abe oa” eriee , Hyiecec vies) 28h" t aie, ‘ i lel ve A ied yah eats te p44 Bn LE ‘ ti bittawil) Ae ‘ u ‘ } 4 et eee te * peril RUA LAN Cy : J Pre es ” b ‘ Awa ¢ Hy : ' : uF Ny ea gdielals Vay Pat, 1 ey) tit : j ; id ¥ | i SONS iy et . ie MMP: ’ i‘ : spent rreetitete ty dats teimne tele pannel assy ort 4 Sigbastee aga app nie) Lina. ¥ bbe rs AbPRt ee an ” . . ‘ , ui 4 t § L = ees ie? er \ ‘ , i Lk We ahd ’ . al ; 2 ” / , . ) opelayy bate 2 : r lel wenn? Siringe ia d 4 , ' ) a ved Fads 44 hha] Cold ie wit . ' ; Q ny hy ie wore ky / ) : : q dan MT Ate fe Seah te ‘ 4 ; F iat 4 a ine It Mad Ww r ’ } bey : i Si Washauea 4 4 , ; r hid bitty h $ , : Like ¥ , il eit if : ; alll ; Mer ted beled rt ‘ : } iy ite) ‘ : tae ‘ el atbeeerete “™ ) : a5) re i rf ; ry , f fie A ‘ f i4 J Ts" ( 7 . u ie fi ybperaeee Fee babs chest Kut 4 » leteded) et 4 ‘ + ey f : ny nt an , 5 uM f) it iplaertey ri ; ; eaten phic , yace La gabans pe hert hae 1% f ’ bl oy 4) Het ; i | 1 4138) 1 1 86 yy ay dice 94 : } Ha } apa + ieiaiee ‘ y% - ry ) Sietaht ‘pate 4 it if : r } : H wot) Were) rhe OT { ‘ i TA Tae " ss | ; i ji AR (ay want { ST et hab i ee Ppa rms Ri tint aRie Riot LNT a City stata i: ) Ma f 4 i ; f } { adda} 4 ieee tr} ’ pian tite in Ci . } we } L : , Nihoe syics?: HM binant : } Fae E FH eee Te sate ; AT fis sheet eet ioe de it Rene oH Y » , i { dinhithions it) y i : at bon ata RE th Patel elt sas eh tae Teicha rm r “ - ee Cis Lett ' f Ses . y 1 sH| ten fred ie t $ ia peaye, 4 pied sphleitiedettie te “4 f a i i + “* ae ab pepe Meet hose Oer’ ; : ; Casters ibid " sits te i pap ede ie oget TM aN MEAT IA DEEL ht 4p) , MALY LT rl wy #5 ‘aye ; 1M Mlsiada eat fet ot ” i a sy ar A Me ! Cheha fes Pie it hal pri iN Mah j ant i { Taney ‘ Hl ee Maye G Fe H) ege eihene pet Hit eS ee , ie tie | (y - *} 5 Ly ARM: Favs Savrat att 4 iplseiel siete neh Relx \A 0\ 3 HARVARD UNIVERSITY RE LIBRARY MUSEUM OF COMPARATIVE ZOOLOGY VOCE ed New Series, No. CXXV (Vol. XXXII, Part 1). Price 10s, / 2 a7 JANUARY, 1891. THE QUARTERLY JOURNAL OF MICROSCOPICAL SCIENCE. EDITED BY EH. RAY LANKESTER, M.A., LL.D., F.RS., Honorary Fellow of Exeter College, Oxford ; Jodrell Professor ie Zoology in tigen 'y College, London ; and Deputy Linacre Professor of Human and Comparative Anatomy in the University of Oxford. WITH THE CO-OPERATION OF KE. KLEIN, M.D., F.RS., Lecturer on General Anatomy and Physiology in the Medical School if St. Bartholomew’s Hospital, London, ADAM SEDGWICK, M.A., F.RS., Fellow and Assistant-Lecturer of Trinity College, Cambridge. AND A. MILNES-MARSHALL, M.A., D.Sc., M.D., F.R.S., Late Fellow of St. John’s College, Cambridge ; Professor in the V ‘ctoria University ; Rese Py aes of Zoology | in the Owens College, Manchester. WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD. LONDON: } J. & A. CHURCHILL, 11, NEW BURLINGTON STREET. MDCCCXCI. Adlard and Son,} (Bartholomew Close. CONTENTS OF No. CXXV.—New Series. MEMOIRS : Studies on the Comparative Anatomy of Sponges. III.—On the Anatomy of Grantia labyrinthica, Carter, and the so-called Family Teichonide. By Artuur Dsnpy, M.Sc., F.L.S., De- monstrator and Assistant Lecturer in Biology and Fellow of Queen’s College in the University of Melbourne. (With Plates I—IV) Studies on the Comparative Anatomy of Sponges. IV.—On the Flaggelated Chambers and Ova of Halichondria panicea. By Artuur Drnpy, M.Sc., F.L.S., Demcustrator and Assistant Lec- turer in Biology and Fellow of Queen’s College, in the University of Melbourne. (With Plate V) On Megascolex ccruleus, Templeton, from Ceylon; together with a Theory of the Course of the Blood in Harthworms, By ALFRED Gisss Bourng, D.Sc.Lond., C.M.Z.S., F.L.8., Fellow of University College, London; Fellow of the Madras University ; Professor of Biology in the Presidency College, Madras. (With Plates VI—IX . : “ . ; : ‘ On a Little-known Sense-organ in Salpa. By ArtHur Bouies Lez, Assistant in the Russian Laboratory of Zoology at Villefranche- sur-Mer (Nice). (With Plate X) . 5 . . . Immunity against Microbes. By M. Armayp Ruvrrer, M.A., M.D.(Oxon.) ; PAGE — 41 49 89 99 1504 New Series, No. CKXVI (Vol. XXXII, Part 2). Price 10s, | ae Wi MARCH, 1891. | | THE QUARTERLY JOURNAL MICROSCOPICAL SCIENCE. E. RAY LANKESTER, M.A., LL.D., F.RS., Honorary Fellow of Exeter College and Deputy Linacre Professor of Human and Comparative Anatomy in the University of Oxford. WITH THE CO-OPERATION OF E. KLEIN, M.D., F.RS., Lecturer on General Anatomy and Physiology in the Medical School of St. Bartholomew’s Hospital, London, ADAM SEDGWICK, M.A., F.BS., Fellow and Assistant-Lecturer of Trinity College, Cambridge. AND A. MILNES MARSHALL, M.A., D.Sc., M.D., F.BS., Late Fellow of St. John’s College, Cambridge ; Professor in the Victoria University ; Beyer Professor of Zoology in the Owens College, Manchester. WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD. LONDON: J. & A. CHURCHILL, 11, NEW BURLINGTON STREET. MDCCCXCI. Adlard and Son,] (Bartholomew Close. CONTENTS OF No. CXXVI.—New Series. * MEMOIRS: On a New Species of Phymosoma, with a Synopsis of the Genus and some Account of its Geographical Distribution. By Antuur E. Surptry, M.A., F.L.S., Fellow and Lecturer of Christ’s College, Cambridge, and Demonstrator of Comparative Anatomy in the University. (With Plate XI) : ‘ ° : : On the British Species of Crisia. By Sipnzy F. Harmer, M.A,, B.S8c., Fellow and Lecturer of King’s College, Cambridge. (With Plate XII) . : . - - ;. 6 . The Later Lar val Development of Amphioxus. By ArntHur WILLEY, B.Sc. (of Uni versity College, London). (With Plates XIZI—XV) On the Structure of Two New Genera of Harthworms belonging to the Eudrilide, and some Remarks on Nemertodrilus. By Frank E. Brepparp, M.A., Prosector to the Zoological Society of London. (With Plates XVI—XX) ; . : . PAGE 111 127 183 235 New Beres, No. CXXVII (Vol. XXXII, Part 3). Price 10s, | ve of fi JUNE, 1891. | THE | QUARTERLY JOURNAL | MICROSCOPICAL SCIENCE. E. RAY LANKESTER, M.A., LL.D., F.RS., Honorary Fellow of Exeter College and Deputy Linacre Professor of Human and Comparative Anatomy in the University of Oxford. WITH THE CO-OPERATION OF E. KLEIN, M.D., F.R.S., Lecturer on General Anatomy and Physiology in the Medical School of St. Bartholomew's Hospital, London, ADAM SEDGWICK, M.A., F.RS., Fellow and Assistant-Lecturer of Trinity College, Cambridge. AND A. MILNES MARSHALL, M.A., D.Sc., M.D., F.RS., Late Fellow of St. John’s College, Cambridge ; Professor in the Victoria University ; Beyer Professor of Zoology | in the Owens College, Manchester. WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD. LONDON: J. & A. CHURCHILL, 11, NEW BURLINGTON STREET. MDCCCXCI. Adlard and Son,] | (Bartholomew Close. CONTENTS OF No. CXXVII.—New Series. MEMOIRS: PAGE The Renal Organs of Certain Decapod Crustacea. By W. F. R. We pon, M.A., F.R.S., Jodrell Professor of Zoology and Com- parative Anatomy in University College, London ; Fellow of St. John’s College, Cambridge. (With Plates XXI & XXII) . ee ie! The Nephridium of Lumbricus and its Blood Supply; with Remarks on the Nephridia in other Chetopoda. By W. Buaxtanp BennaM, D.Se. (Lond.), Anatomical Bia cs Oxford. (With Plates XXITI—XXV) : : : . . 293 Notes on the Naidiform Oitecatiete: sontaninie a Description of New Species of the Genera Pristina and Pterostylarides, and Remarks upon Cephalization and Gemmation as Generic and Specific Characters in the Group. By ALFRED Gipps Bourne, D.Sc.(Lond.), C.M.Z.S., F.L.S., Fellow of University College, London; Fellow of the Madras University; Professor of Biology in the Presidency College, Madras. (With Plates XXVI & XXVIII) ‘ . 335 On Pelomyxa viridis, sp. n., and on the VesicularjgNature of Protoplasm. By AuFrRED GiBBs Bourne, D.Sc.(Lond.), C.M.Z.S., F.L.S., Fellow of University College, London; Fellow of Madras University ; Professor of Biology in the ar mi Madras. (With Plate XXVIII) 2 ; . 357 The Meduse of Millepora murrayi and the Ganuabees of Allo- pora and Distichopora. By Sypnry J. Hickson, M.A., D.Sc., &c., Fellow of Downing College, Cambridge. (With Plates XXIX and XXX) . : : ; 4 er Sy) On a Red Pigment-forming uae B. corallinus. By Cuar.es Stater, M.B.(Cantab.) (With Plate XXXI) . . 409 New Series, No. CXXVIII (Vol. XXXII, Part 4). Price 10s, e/7 OCTOBER; 189i ~~ ~~ ce: / DEC 3! 1891 THE QUARTERLY JOURNAL MICROSCOPICAL SCIENCE. E. RAY LANKESTER, M.A., LL.D., F.RS., Honorary Fellow of Exeter College and Deputy Linacre Préfesitr of Hieed and Comparative Anatomy in the University of Ozford. WITH THK CO-OPERATION OF E. KLEIN, M.D., F.RBS., Lecturer on General Anatomy and Physiology in the Medical School of St. Bartholomew's Hospital, ondon ; ADAM SEDGWICK, M.A., F.BS., Fellow and Assistant-Lecturer of Trinity College, Cambridge ; AND A. MILNES MARSHALL, M.A., D.Sc., M.D., F.BS., Late Fellow of St. John’s College, Cambridge ; Professor in the Victoria University ; Boyes Projassae of Zoology | in the Owens College, Manchester. WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD. LONDON: J. & A. CHURCHILL, 11, NEW BURLINGTON STREET. MDCCCXCI. Adlard and Son,} (Bartholomew Close. CONTENTS OF No. CXXVIII.—New Series. MEMOIRS: PAGE Immunity against Microbes. By M. Armanp Rurrsr, M.A., M.D. (Oxon.). (With Plates XXXII & XXXITI) . : ~ 417 The Formation and Fate of the Primitive Streak, with Observations on the Archenteron and Germinal Layers of Rana temporaria. By Artur Rosinson, M.D., Senior Demonstrator of Anatomy in the Owens College ; and RicHarD AssHETON, M.A., Demonstrator of Zoology in the Owens College. (With Plates XXXIV & XXXV) < ; : ‘ On some Points in the Histology and Development of Myriothela phrygia. By W. B. Harpy, B.A., Shuttleworth Scholar of Gon- ville and Caius College, and Junior Demonstrator of Physiology in the University of Cambridge. (With Plates XXXVI & XXXVII) 505 On the Structure of an Earthworm allied to Nemertodrilus, Mich., with Observations on the Post-embryonic Development of Certain Organs. By Franx HE. Bepparp, M.A., Prosector of the Zoolo- gical Society of London, Lecturer on Biology at Guy’s Hospital. 451 (With Plates XXXVIII & XXXIX) : : i . 539 Some Points in the Development of Scorpio fulvipes. By Mat- coum Lavnriz, B.Se., F.L.8. (With Plate XL) . : a. DO" Abstract of Maupas’s Researches on Multiplication and Fertilisation in Ciliate Infusorians. By Marcus M. Hartoe, D.Sc., M.A., F.L.S., Professor of Natural History at Queen’s College, Cork . 599 On the Occurrence of Pseudopodia in the Diatomaceous Genera, Melosira and Cyclotella. By J. G. Grenrent, B.A., F.G.S., F.R.M.S. (With Plate XLI) : : : : . 615 REVIEW: A Monograph of the Victorian Sponges. By ArtHur Denpy, D.Sc., F.L.S., Fellow of Queen’s College, and Demonstrator and Assistant Lecturer in Biology in the University of Melbourne. Part I.— The Organisation and Classification of the Calearea Homocela, with Descriptions of the Victorian Species (with plates i—xi) - 625 TiTLE, CONTENTS, AND INDEX. Fig. UE. ed Fea. te Il Subgastral Sagittal Triradiates forming innermost jou of Tubcar s we Skeletor. Sastral Skeleton: Articulate Tibar Skeleton - varthu Nendy det. ‘ » pe | * wees i \ * ee a ’ a | i rl iy 7 F Huth, Lit? Edin? 4 Maus yan “= GU, VI VIL Mit Ip n DV \ eee enced ph. DV. I ca.gl iS zx KV XVI XIV .XV vin. % VII. VIIL XU . XI XM XIV AVI . XVIL IT AVIL XVI vI— XVI XK A.G.Bourne del. op SUINOG g Y ay sata al A A BESS s = if 1 + t “Sy, ‘take ae MSM MAY Dey eemog story = Nor Fourn: Vol SHINS GIL, ¥. Huth, Lith Edin? A.B.Lee ad nat. del. j n" Mor Sour Veo MUS I, cord. Nephrvadau. \ Vascular, \ a GivertiLUuduTn. £ _.-« Position ot Head. Fég. 2. ; SIDE ‘VIEW. --- [Introvert _. Retractor, UPPER VIEW. Position of Bram. Fig. I. ¢ ~STrtestire Fig. 6. _ Museutar network. Nerve Blood-vessels Lntrovert Shipley del : : F. Huth, Lith? Edin® * 5 re : » _ by/ , F Huth, Lith? Edin® §.F. Harmer, del. Muon Four VA LMUMS PAA lig, 3 a intros: Hi 5 anterior ditatation of nerve -Uwee. Se | ; ea ee F Cat TRE sig vee ed Fig L. nerve tube with pigment. i divistore eye--spoe. a a ee dorsal ONS: of myoe aft Space, i notachor@ i alienhary canal, ~ QETUTIV - --.-0- — ; : H SERSE- OTA ODETURG H Le primazy slit: Slood-vessed | , who preoraipit. ~ i : * i : - IX p, sit. E , eraostyle, E : tote ; : : right wade of vedi. renad celis of aaread floor e Le orers X eee at feds Ben slt. Ris 7 Secondary slit. ; atric, ; : right wade o; . ee Gee PO Dad yegs eePrgienclatcan Pardee St styrmany st ; ye of lett mata, Wie | BR i! aces f t upper edge of oral hood. ae oy ¢ nf , ge of rught metapileun rephrdium io Hatschek.~ —} Ce. RES G lower Tage fmowily. c = anterior RUT AE, pore. i : ‘| Fig. 6. © preoradp ‘A z Yorimary slit > AS slit. ciliated band: : : renad cells of triad floor r 2% primary sith. edge of lett metapleur 6” primary slib. ; i | 8 | ape see. HA og. Ye ' intra-bucced oritice of clizd shaped Feo. 2. cower margin of mot ae. u 1 gland: gp intra-buccad on, ter of reorol pit: club -shap ed gh fa right lind of exrdostyle. £ # d SS é aia —— : ' Preach ioe stony oe : Tight wall of veluazu. ” = : : 4 1% sec. shit: i oe ae = < i { : \ Be of ees ayy, 3M sec. sttt. Zi pr slit, endostyie edge of lett metapleur sf SNE H sten aceite ! ecxlomeontarning api, Ts by. sit. 9 se> sit: (DTUMATY yy 67. sttt, NN ; ES ventrad blood-vessed ‘ ae } : “ ¢ 7 junction oupperé lowers { elige of right metapleur: ‘ 1s prunary slit. OM LOEY, Ch star Gecil: lett wail of veliim. ; Fig. ke zi * lower edge of rout | ; Ce nevhriacum of rece ee Bae Fre Mes Ds A, Hatschek : ee = a foe Se eruds tyle [7 Lge ume) anterson neurad pore | eane Leys ete i 4 S right Wade of Velie lef mre eae (lett ame) ‘antervor unclosed Portion of atrium. preored pit. ——— lower cage ofornbhook | H right wall of vedam®) duce renad péepilla. ray wah she je %y sith. = ee Willey del F.Huth, Litht Edin - - eadosyle. Fey. LB. x vedem a2 ee eae antertor neural pore . a ey ee em ads SO eI a Sl BT a Fig. 9. bases of secondary slits. Lie 2g. LO. right boay wate. Tes PCLOR AY, sit endostyle (right lim8/ : : oes i i ; Pants floor of adrium. lett exch: Via] Bose ets : : > ; eo Wei? 5 Lug. Lh Gliated band / hyp BRED ERE Primary sits renal papilla. c@eum _ SS SSS tentacles of velo — ee as : ita, << notochora x : erdostyle et tin) -buccal-cirrt Weg tee Ss ms matscdes. lefé body wate. 228 primary slid, —— ta primary slit. S. sense seciyan abiprisarapit X Chiated tract =remaizs of prearake a F ‘ i . __ scout arre of right stde. pe. lon Satie lower lett wad of vedum fig. M1. i Fe REIS GED, floor of atrua,. endostyle. i Portions of or od. } renal papula ay: 5 ie 70 : : Chasen Sass in Ace ae oes eas ee = Fig Ls. LS LE aree eee vel : : = Seco sees Soop tao mo oS z “a ie Ba as eee ES it = SERRE LA en nee hy Non eh : } a Hh ee i a re a 2 : ih K “i if Ky : eat i git Jat Le ! 2 i ay ; : ‘ : , ciliated tract (-preorad pit lett Per yee a andy ae cage 0 APLUT- 9 iit of left side isi les ie le ” : am a met ~ Ca “buccal cert of right side. CLT [10% primary slit.) Uae) group of renal ag = = : Left hall of endostyle. celis. BM slit of right seme acriiie | Roop of atrin. mare hall. of Ss ¥ a vel ee band. 0 firey Spaces. dorsal wail of pharyna. Junction ofupperélower velum/ ciliated. banal. Fi oY. Le: eee "Ve Baas i : ea = Dortions of Ore Diab ’ é = anterior neu ad pore es Sort Sa es = SE : uy eye ApUE® rp rae es cage C (aaa i “ « upper portion of ae crathood. petalit of lett Hao Pd ls i oY slit otlelt side See Ss Ee ‘a a ees Gaus ‘id : 2 56: 4 of fi H Ar ea 4 2 : ' voy! Hee Latrinm. (10% prim. slit, primary slits. oe hnal tee eldostyle, (We ol lett metaplear Floor OP akr uate. at igzmn, Cn papilla. Willey del : promary. = ’ F Huth, Lith? Bam - : — right ciliated band» », Yayperpharyngeat,) a-buccadl oritive. of club- shaped, gland sense organ ot preeoral pit 5% ie 2 ! ie Z 5 ie he s ciliated tract, me secslit. Aseos.; Ips. . 2p,s. ls primary sit. : at endostyle. Ist sec.slit. endo, . ; remains of tha nis a et Pye “te stage the vig en issec.slit. club-shaved. gland. ae PE ti eokes Sr : 27, cidimonmargin of mouth, Aridi oF i CNC ars TER tes ieabas Hkischere Es Haischek,. a : antervor neurad pore. : ‘ = 13%, sltt. cage a lefé rrecaplea ? axternad oritice of i i: - ie 5 club -shaped giana. oh : Sepa eee Si2e, P buccat skeleton. Sa a 7 ie TMarY Se. Itindicadion of buccal edie of right ones as kn orpreorad Skeletor. metanleur ee ri. nephrediam af Hatschely tig. 1}. posterior anterior — — rudimentary median. : r SUE. (2 O% DIRADI) — : ye sit fright side. 7% suit of left side. externad orifice (i : ckte3-shoped gland, es : 3 : , buccad skeleton. ciliated barn a: ducead skeleton, ctiated band. Fig. 25. Ly. 24. # é oradhwod. velum. nepharidem of Hatschele. repha pe af . : oral hood. portion of : Sa Tetsihele:: Lta.20. nephriaeene oF : preoracpit. cE Hatschek. AIELLO DOTE, — expanded, ciliated. area of preorad Det. we RB am Ty arated band. 5 clib- shaped gland, =e mans vre@orat pu. LG ‘ i buccal skeleton ciliated band. velume wee a Sps. +7. uccab skeleton. Willey del. a F. Huth, Lith? Edin? a 5 FE Beddard del eee ee a Va Fig L F Huth, Lith? Edin? Werve-cora Nerve-cord. FE Beddard del. F. Huth, Lith? Edin* nine \ Ss Wea MG FE Beddard del F Huth, Lith? Edin® A) a : — = ' — _ ne 1 =a = Fig. 38. Be f es ae oN ] << RII : 00¢60906 09° Gg omGtws® © \ AMEOOCGMUTES WN uy. FS. = Re OD na ee F.EBeddard del. F. Huth, Lith? Bain? ah Th ee ai ih FE Beddard del, ———- 4 F Huth, Lith® Edin? ~& ‘Ne Anterior F Huth, Lith? Edin® 1 Weldon del ; i / j 7 = . 4 t be ‘ ° ‘ A ; y i ‘ rt ” T : i 7 i, oS P 7 a @ 3 Lj - 4 = / + / Fy “ ‘ = P : , ' ; 7 ‘ ‘ t : s ‘es OL buf OC PLL SOO .. UE YB SH MEX PY, Wiig oy we ee Meor Bourn! VA XMM NS PLM narrow tude Fug. th wide tube excreb. prow excret, prod. -------{-- W.B Benham del. Mor Pourrl Va XUNS PLN ) narrow tube. 0 et Were tube ALT) Fig. 16. ~] :3 ye - MULSC C.E TL. TRALEC, pC. ---= C.@0 act corm. ts ny bl.ves ! narrow tube W. B Benham del F Huth, Litht Edin* MNuer Sourrs Vo XH MSL ANY. PTOCESSES. ventrad lip i dorsad lip b.ves. ——— lumen cure a long : ventral up F Huth, lath® Edint W.B.Benham del be Ze ff BE GEIE LE BE : ee "Bp euang gory wf 82 62 08 Sal Hae XXXVI Ail ogee etc. AG Bourne del. F. Huth, Lith? Edin® If, ZT O0e 5) RARE a) re ee / / le 7} / PIs fit Sinf XXL TN NTH AA f b VCC 414i 1, 44 Cc’ ¢ Afi FLdL ‘> 6 ee Ss ESS SS” po <—™ ae =eae EK O/Sr> 5 oe Sperm}, year Tr Edin? WB. Hardy del. 2 F. Huth, Lith’ Edin? >Re, a FEBeddard del = aa os F Huth, Lith? Edin® way WSF HK. Mor Fourn: Ve n 225050: | SERN F.E Beddard del tere. 7 (dy, ES “cal 7 o% 4 a? Eas" Moy 2 30 0.0 F Huth, Lith? Edin? Mor bourrt Vel XM, MEPL ILL F Huth, Lith? Edin? Sek & | Soe a a are / « wt ', ye. : oI \ ’ . wh “W; vy G 7 7 a 2. BR Fons ii Sy) CY J ‘ 4 ay fi veo hty, ay “4 wus ny , t 5 j he. CATH 3 2044 110 319 fag Date Due ‘ pee hfe ot me Buea be fi i 2 4 ee bahy Hi ticcieed aad ia ide adaeghe IA Oeics Hest Lites roste they ates Magis Cr deterst Sigs tot Bee tate hers usa tir av egehe lest ee UM CHOOT Eat ep er ALa Tit Eat AD : Ttant Giaebeiet Nt Clee kysta 4 (ithe Fiat Me a ‘ ‘ i Datla cas i fvniet ‘ te ih ane Has? Mi tite eile rh atte ier crenata Chibigedsegtahisar tn bat tile Kitt etd ” e Af 4 a 1 UH bi it he bate vf we 2 Mteit at ‘3 7 elideeat et yeeite ‘1 % fe ff 4 | i i, seine a) apart: i UME GeL aE ae ETE i: Feliae hy ‘ starts ve Win ' oi ae Pe te eeu p ce fee iiss mien + fe oy rae ay aN pet iuew cts Wee NCH ceMae Eat lag ih es isa i it Ahatge rate ei Hatley ba mst Bi fish aad eee i, Pepe biel ee, Swing eae! se bins bts Ratt bt mete ee ih sa 5 par me pert di Bho ht ne Ave smi Peiber et He rule ee at re! Wer 5 BAA Hers of Minti ee Bh ay ste ee tH Ry ¥ ed a £ Heb acelin aust £65 si Chir tas Fiaesecedt teu ut fe Riiutt y {¥ ean Ap ae Mi ry nae year Hing wel te Cau teet et: need rite A. eases oe t ec be 1 steht be ins ral aot bet ighys ase f gay Fy ys , peae } sant cote ot pas Se Biibyts A eke 45 ey f ae es es Ht sigs a eyes | Phi {rt y baoeh ae) Hina a t ty i +. ae 2 ate Siti? beainiee aa it ¥ 4 eres wats rents ist Giheon, HENS Wt ss in rd bat +e AE ORG ARE Lat tee eee isin sal sheprasiestvekes te o7 ebeotrentHt tht pod ovpesnsxet sh 00eF | orbit beds insti bot sigeesdet sine erbekeatt oad sae b yby 44} ay ae. atehs bik pered oy a 4. Ath i aly ‘ ’ Pari) tp " Lay “al eet s pestis ae tai pases is ea it a da A ; sit ter Biss th 2 Ngriaceiee, fi ; Wg tans oer te 4 be dens sr +f eA nett hee tat ' at Ph, anes "ses aan ygeed