99 



23. C. FULVESCENS (pi. XXV. f. 79, 80.) nob, 



T. globoso-conica, tenuiuscula, pallide brunnea, spira sub- 

 acuminata, anfractibus 5, rotundatis, confertim spiraliter 

 striatis, ultimo maximo ; apertura fere circular!, peritremate 

 tenui ; satura distincta ; umbilico parvo. 



Shell globosely conical, rather thin; of a pale brownish 

 colour, with transverse bands of darker brown ; spire rather 

 acuminated ; volutions 5, rounded, covered with close set 

 spiral strice ; the last volution very large ; aperture nearly cir ■ 

 cular, with a thin peritreme ; suture distinct ; umbilicus small. 

 From Madagascar, sent to Mr. Cuming by M. Petit. 



24. C. ORTYx. (pi. xxiii. f. 27. 28.) UOrb. Mag. de 

 Conch, t. 117. f. 2. 



T. tenui, subglobosa, pallida, fusco-variegata, spira conoidea, 

 subacuminata, apice acutiusculo; anfractibus 4 — 5, ventri- 

 cosis, spiraliter sulcatis et carinatis ; apertura circular! 

 sub-effusa, peritremate tenui, subreflexo, margine leviter 

 sinuato, umbilico mediocri, spiraliter sulcato ; operculi 

 anfractibus oblique striatis. 



Var. sulcis carinisque anfractuum obsoletioribus. 



Shell thin, nearly globose, with a conoidal, somewhat 

 acuminated, rather sharp pointed, spire ; volutions 4 to 

 5, ventricose, longitudinally grooved and carinated ; aperture 

 circular, rather effuse, with a thin subreflected peritreme 

 whose edge is slightly sinuated; umbilicus of moderate 

 dimensions, spirally grooved; operculum spiral, its volu- 

 tions obliquely stiated. , From the Seychelles. 



25. C. UNDULATUM. (pi. xxiii. f 29. 30.) nob. 



T. globoso-conoidea, crassiuscula, spira acuminatiuscula, 

 apice obtuso; anfractibus 5, ventricosis, spiraliter sulcatis, 

 superne prope suturam distinctam undulatis ; apertura fere 

 circular!, superne obtusissime emarginata, peritremate tenui, 

 latere umbihcal! in callum incrassatum, supra umbilicum 

 parvum extenso ; umbilico spiraliter sulcato. 



Shell globosely conoidal, thickish, spire rather acuminated 

 with a blunt point; volutions five, ventricose, spirally grooved, 

 and undulated on the upper edge near the suture, which is well 

 marked ; aperture nearly circular, very slightly emarginated 

 near the upper part where it joins the last volution ; peri- 

 treme thin, except on the side next to the umbilicus, where it 

 is thickened into a callus nearly covering the small umbilicus, 

 which is spirally grooved. Bengal. 



26. C. SPURCUM. (pi. xxiv, f. 75, 76.) nob. 



