330 TURBONILLA. 



T. ORNATA, cVOrb. PL 16, fig. 15. 



Thin, white, closel}' longitudinall}^ ribbed and si)irall3' striate ; 

 wliorls 10, slightly convex, suture deep, crenulated. 



Length, 6 mill. 



Cuba. 



According to Miirch, Chemnilzia latior, C. B. Ad., is a 

 S3'non3'm. 



T. MODESTA, d"Orb. VI. 7G, fig. It. 



Thin, white, longitudinalU' ribbed, ribs terminating at a spiral 

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

 deep ; whorls 6, moderate!}' convex. Length, 2 mill. 



Cuba. 

 T. PULCHELLA, d'Orb. PI. 7G, fig. 18. 



Thin, white, longitudinally costate, the costj\? terminating on 

 the bod^'-whorl at a spiral ridge, below which the surface is 

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



West Indies. 



Morc-h considers T. levis, C. B. Ad. (unfigured\ a probable 

 variety'. 



T. pusiLLA, C. B. Ad. PI. 70, 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 impi'essed suture. 



Length, 8"3 mill. 



Jamaica., St. Thomas. 

 T. TURRis, d'Orb. PI. 70, 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. TJwmas, W. I.; Bio, Brazil. 



T. SL'BSTRIATA, C. B. Adams. PI. 70, fig. 21. 



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

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

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

 the bod^'-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 cVOrbign^- possibl}' has overlooked the 



