PLEUEOTOMA.— Plate XXVII. 



Hab. North coast of New Guinea (from mud at the depth 

 of twenty-two fathoms); Hinds. 

 The whorls of this species are somewhat unusually 

 depressed round the upper part. 



Species 241. (Mus. Belcher.) 

 Pleurotoma celata. Pleur. testa ovatd, elongata, atro- 



fuscd, anfractibus octonis, rotundatis, costulatis ; costu- 



Us obliquis, acutis ; suturd lined elevatd instructd ; 



aperturd ovatd; canali brevi. 

 The carved Pleurotoma. Shell ovate, elongated, very 



dark brown, whorls eight in number, rounded, ribbed; 



ribs obbque, sharp ; suture furnished with a raised 



line; aperture ovate, jet black ; canal short. 



Clawtula calata, Hinds, Moll. Voy. Sulphur, p. 22. 

 pi. 7. f. 6. 

 Hab. Gulf of Eonseca (found in mud at the depth of 



twenty fathoms) ; Hinds, 

 The carving of this shell is very distinctly and neatly 

 made out. 



Species 242. (Mus. Metcalfe.) 



Pleurotoma pagodus. Pleur. testa pyramidali, aufrac- 

 tibns snperne depressis, subangulatis, ad angulum cos- 

 tatis, costis brevibus, confertis, lineis elevatis decussa- 

 tis; cinereo-rufescente, maculis rubidis inter costas, 

 columella labroque rubido t'mctis ; canali brevi. 



The pagoda Pleurotoma. Shell pyramidal, whorls 

 depressed at the upper part, slightly angled, ribbed 

 at the angle, ribs short, close-set, decussated through- 

 out with raised lines ; ashy-red, stained with dark 

 red spots between the ribs, lip and columella stained 

 with dark red ; canal short. 



Reeve, Pro. Zool. Soc, 1845. 



Hab. ? 



A species of peculiar form and colouring. 



Species. 243 (Mus. Belcher.) 



Pleurotoma albicans. Pleur. testa ovatd, elongata, 

 albidd, nitidd ; anfractibus octonis, costulatis, costulis 

 superne subnodosis ; suturd nodulosd; aperturd pared, 

 ovali ; labro acuto, iutus Icevi ; canali brevi. 



■pHE whitish Pleurotoma. Shell ovate, elongated, 



whitish, shining ; whorls eight in number, ribbed 

 ribs slightly nodose at the upper part ; suture nodu- 

 lous ; aperture small, oval ; lip sharp, smooth within 

 canal short. 



Clavatula albicans, Hinds, Moll. Voy. Sulphur, p. 441 

 pi. 7. f. 8. 

 Hab. Straits of Malacca (from mud at the depth of seven 

 teen fathoms) ; Hinds. 



This species may be recognised by the coronated ap 

 pearance of the whorls. 



Species 244. (Mus. Belcher.) 



Pleurotoma tessellata. Pleur. testa elongata, acum, 

 natd, anfractibus senis, subplanulatis, granulosis, lirm 

 longitudinalibus et transversis decussatis, maculis sub 

 quadratis fuscis pictis ; suturd simplici ; apertur 

 oblongd ; labro intus crenulato ; canali brevi. 



The tessellated Pleurotoma. Shell elongated, aci 

 minated, whorls eight in number, rather flattened, gri 

 nulous, decussated with transverse and longitudin; 

 lines ; painted with brown somewhat square spots 

 suture simple; aperture oblong ; lip crenulated within 

 canal short. 



Clavatula tessellata, Hinds, Moll. Voy. Sulphur, p. 4' 

 pi. 7. f. 17. 



Hab. Straits of Macassar (from coarse sand at the depl 

 of ten fathoms) ; Hinds. 



A prettily tessellated shell approaching in form to tl 

 Bapluiella group. 



Species 245. (Mus. Metcalfe.) 



Pleurotoma urnula. Pleur. testa ovatd, ventricosd, spa 

 breviuscidd, longitudii/aliter costatd, tramvei-sim el 

 vato striata; castaneo-fuscd ; canali breviusculo, apert 



The little pitcher Pleurotoma. Shell ovate, venti 

 cose, spn-e rather short, longitudinally ribbed, tran 

 versely elevately striated; chesnut brown ; canal rath 

 short, open. 



Reeve, Pro. Zool. Soc, 1845. 



Hab. ? 



A curious little ventricose shell which seems scarcely 

 have arrived at maturity. 



