330 TURBONILLA. 



T. ORNATA, d'Orb. PL 76, fig. 15. 



Thin, white, closely longitudinally ribbed and spirally striate; 

 whorls 10, slightly convex, suture deep, crenulated. 



Length, 6 mill. 



Cuba. 



According to Morch, Chemnitzia latior, C. B. Ad., is a 

 synonym. 



T. MODESTA, d'Orb. PL 76, fig. 17. 



Thin, white, longitudinally ribbed, ribs terminating at a spiral 

 ridge below the periphery of the body-whorl, base smooth, suture 

 deep ; whorls 6, moderately convex. Length, 2 mill. 



Cuba. 

 T. PULCHELLA, d'Orb. PL 76, fig. 18. 



Thin, white, longitudinally costate, the costre terminating on 

 the body-whorl at a spiral ridge, below which the surface is 

 smooth; whorls 12, moderately convex. Length, 7-8 mill. 



West Indies. 



Morch considers T. levis, C. B. Ad. (unfigured\ a probable 

 variety. 



T. PUSILLA, C. B. Ad. PL 76, fig. 19. 



White, with about 12 strong longitudinal ribs terminating 

 about the periphery of the last whorl; whorls 10-11, besides the 

 nucleus, moderately convex, with well impressed suture. 



Length, 3-3 mill. 



Jamaica, St. Thomas. 

 T. TURRIS, d'Orb. PL 76, fig. 20. 



Thin, white, longitudinally costate, terminating in a peripheral 

 line, below which the base is spirally striate; whorls 14, suture 

 impressed. Length, 7 mill. 



St. Thomas, W. I.; Rio, Brazil. 



T. SUBSTRIATA, C. B. Adams. PL 76, fig. 21. 



White, wax-colored next the suture; whorls 8, flattened, with 

 22 to 24 longitudinal ribs, and very numerous, scarcely per- 

 ceptible spiral strirc in the interspaces and on the lower part of 

 the body-whorl ; on the middle of the whorls is a spiral series of 

 shallow, intercostal pits, suture distinct. Length, 2'75 mill. 



Jamaica, St. Thomas.* 



Morch remarks : " If d'Orbigny possibly has overlooked the 



