TRUNCATELLID.&. 135 



pendieular, ovate elliptical, angulated above ; peristome conti- 

 nuous, straight, thiekened'on the side of the penultimate whorl 

 and in the angle of insertion. Length 7-8, breadth 3 mill. 



Truncatella Caribneensis, Soto, in Reeve, Conch. Syst. ii. pi. 182. f.7. 



Pfr. in Z. f. M. 184(3, p. 182. n. 2 ; Mon. Auric, p. 185. 



Jay, Catai 1850, p. 252. n. 5766. 



Kust. Mon. p. 9. n. 5. t. 1. f. 35-37, t. 2. f. 22. 



Poey, Memor. i. p. 393. 



H. and A. Adams, den. ree. Moll. ii. p. 311. 

 Truncatella variabilis, olim in lift. 

 Truncatella Gouldii, C. B. Adams, olim in Sched. 



Bronn, Catal. iv. 1847. 

 Truncatella Guerinii, Parr, in Sched. 

 Truncatella succinea, C. B. Adams in Proc. Bost. Soc. 1845, p. 12. 



Hah. Cuba and Jamaica. 



5. Truncatella maroinata. B.M. ? 



Shell subrimate, cylindrical, slightly attenuated towards the 

 truncate apex, rather thin, shining, amber-coloured or yellowish ; 

 suture bordered, furnished with papilliform folds ; remaining 

 whorls four to four and a half, moderately convex, the last 

 slightly folded at its base, and marked with a very short or 

 obsolete crest; aperture perpendicular, angularly ovate, some- 

 what effused in front ; peristome continuous, thin, slightly ex- 

 panded. Length (i.V, breadth 2| mill. 



Truncatella marginata, Kilster, Monoyr. p. 12. n. 8. t. 2. f. 24-26. 

 Pfr. Mon. Auric, p. 186. 



Hah. Labuan, Borneo, and Malacca: a smaller variety near 

 Pondicherrv. 



6. Truncatella Ceylanica. 



Shell subrimate, cylindrical, slightly attenuated, faintly stri- 

 ated, shining, horny, reddish-brown or yellowish; remaining 

 whorls four, folded and crenulated along the suture, the upper 

 two rounded, the other flatter, the last not compressed in front; 

 aperture perpendicular, large, angularly subovate; peristome 

 continuous; right margin thin, shghtly expanded; columellas 

 margin slightly arcuate, oppressed. Length 6, breadth 2 mill. 



Truncatella Ceylanica, Pfr. in Proc. Zool. Soc. 1856; Mon. Auric. 

 p. 186. 



Hub. Ceylon. 



