PLEUROTOMA. 



Plate XXIV. 



(Figures magnified.) 



Species 206. (Mus. Belcher.) 



leurotoma Daphnelloides. Pleur. testd ovato-ob- 

 longd, I en ui, lmsr„i versus attenuatd, anfractibus rotun- 

 dis, superne plano-angulatis, striis trausrersis el loutji- 

 tiuHuaHbiis eleganter cancellatis; columella arcuatd, 

 ad basin striata; canali breviusmilo ; albidd, fusco 

 marmoratd. 



he Daphnella - like Pleurotoma. Shell ovatefy 

 oblong', thin, attenuated towards the base, whorls 

 rounded, flatly angulated round the upper part, ele- 

 gantly cancellated with transverse and longitudinal 

 strife ; columella arched, striated at the base ; canal 

 rather short ; whitish, marbled with brown. 

 Daplinella marmorata, Hinds, Moll. Yoy. Sulphur, 

 p. 25. pi. 7. f. 19. 



Tab. New Guinea (found in mud at the depth of six fa- 

 thoms); Cuming. 



A light ventricose species peculiarly attenuated towards 

 lie base. 



Species 207. (Mus. Cuming.) 



'leurotoma olyra. Pleur. testa cylindraceo-ovatd, te- 

 nia, subpellucidd, spird brevi; lavigatd, out obsolete 

 striata ; aperturd longiusculd; canali brevissimo, trun- 

 cate ; nived, apice roseo. 



'he grain Pleurotoma. Shell cylindrically ovate, thin, 

 somewhat transparent, spire short; smooth or ob- 

 soletely striated; aperture rather long; canal very 

 short, truncated ; snowy white, apex rose-colour. 



Ieeve, Pro. Zool. Soc, 1845. 



'lab. ? 



A delicate white semi-transparent shell with a pink apex. 



Species 208. (Mus. Belcher.) 



Pleurotoma fimbriata. Pleur. testd ovatd, anfractibus 

 rotundis, longitudinaliter crebrihim'nwtis, lamiuis bre- 

 vibus, numerosis, deniatis, re/lexis ,• labro crenulato, 

 reflexo, sinu minium; canali breviusculo; pallide r/t- 

 bido-fuscd, albifasciald . 



Tuz fimbriated Pleurotoma. Shell ovate, whorls 

 round, longitudinally closely laminated, laminae short, 

 numerous, dentated, reflected; lip crenulated, reflected, 



sinus very small ; canal rather short ; pale reddish 

 brown, banded with white. 



Clavaliiln fimbriata, Hinds, Moll. Voy. Sulphur, p. 22. 

 pi. 7. f. 9. 



Hab. North coast of New Guinea (found in mud at the 

 depth of twenty-two fathoms) ; Cuming. 



The sculpture of this species is of very peculiar charac- 

 ter, consisting of a numerous succession of dentated re- 

 flected lamina?. 



Species 209. (Mus. Belcher.) 



Pleurotoma ornata. Pleur. testa orato-oblongd, tenia, 

 ventricosd, anfractibus convexis, striis decussantibus 

 cancellatis; aperturd ampld, sinii latiusculo ; canali 

 brevissimo, truncate ; pallide f idea, maculis quadratis 

 rufis, seriatim dispositis ornata. 



The ornamented Pleurotoma. Shell ovately oblong, 

 thin, ventricose, whorls convex, cancellated with de- 

 cussating striae ; aperture large, sinus rather broad ; 

 canal very short, truncated ; pale fulvous colour, or- 

 namented with rows of small square red spots. 

 Daplinella ornata, Hinds, Moll. Yoy. Sulphur, p. 25. 

 pi. 7. f. 21. 



Hab. New Guinea (found in mud at the depth of six 

 fathoms) ; Hinds. 



The aperture of this species is very large, and distin- 

 guishes it as a good typical example of Mr. Hinds' genus 

 Daplinella. 



Species 210. (Mus. Belcher.) 



Pleurotoma flammea. Pteur. testd subelongato-cla 



anfractibus convexis, transfers!,,/ striatis ; canali brevi, 

 truncato; labro incrassalo, intus minute crenulato, sinu 

 subobsoleto ; albidd, fiammis longittitlintilihus imdulatis 

 ornata. 



The flame-marked Pleurotoma. Shell somewhat 

 elongately club-shaped, whorls convex, transversely 

 striated; canal short, truncated; lip thickened, mi- 

 nutely crenulated within, sinus somewhat obsolete, 

 whitish, ornamented with waved longitudinal flames. 

 Clavatitla flammea, Hinds, Moll. Voy. Sulphur, p. 21. 

 pi. 6. f. 21. 



October 1S45. 



