149 



subacum'mata, peritremate reflexo-patehte, superne acuminato, 

 latere umhilicali flexuoso, sinuato ; umbilico parvo. 



Shell of a turreted pyramidal form, of a pale colour, with 

 brown spots arranged in four rows ; apex decollated ; volu- 

 tions 4, rather ventricose and transversely striated ; suture 

 crenulated ; aperture rather oblique, somewhat elliptical, and 

 acuminated at the upper extremity ; peritreme slightly 

 reflected, spreading, acuminated above, flexuous and sinuated 

 on the umbilical side ; umbilicus small. From the Antilles. 



164. C. Fascia, (pi. xxviii. f. 176. 177.) Gray in Wood's 

 Supp. to Ind. Testae, t. 6. f. 8. 



T. turrito-pyramidali, pallida, fusco-fasciata, fasciis non- 

 nunquam varie interruptis ; apice plerumque decollate ; 

 anfractibus 4 — 6, ventricosiusculis, plerumque decussato-stri- 

 atis ; sutura crenulata ; apertura subobliqua, elliptica, superne 

 subacuminata, peritremate duplici, interno simplici, externo 

 variabile, reflexo-patente, superne acuminato, latere umbilicali 

 flexuoso, sinuato ; umbilico minori ; operculo spirali, anfrac- 

 tibus paucis, oblique striatis. 



Shell of a turreted pyramidal form, and generally of a pale 

 colour, with brown bands, which are sometimes variouslv 

 interrupted ; apex generally decollated ; volutions from 4 to 6, 

 rather ventricose, and generally decussate-striated, though 

 sometimes striated only transversely ; suture crenulated ; 

 aperture rather oblique, somewhat elliptical and acuminated 

 at the upper extremity ; inner peritreme simple, entire, outer 

 slightly reflected, spreading, acuminated above, flexuous and 

 sinuated on the umbilical side ; umbilicus small ; operculum 

 with few volutions, increasing rapidly in width, and obliquely 

 striated. West Indies 



165. C. quaternatum. (pi. xxviii. f. 178. 179.) Lam. 

 Anim. sans vert. vi. pt. 2. p. 147. 



T. oblongo-subcylindracea, tenui, apice decollate, anfractibus 

 4, convexis, spiraliter tenuissime striatis ; sutura crenu- 

 lata ; aperture elliptica, superne angulifera, peritremate 

 continuo, disjuncto, angusto, reflexo ; umbilico niinimo, 

 spiraliter striate. 



Shell oblong, somewhat cylindrical, thin, pellucid, its apex 

 decollated, with 4 finely spirally striated, convex volu- 

 tions ; suture crenulated ; aperture elliptical, angular at the 

 upper part, with a narrow, reflected, continuous peritreme, 

 separated from the last volution ; umbilicus very small, with 

 a few spiral striae. Africa. 



T 



