TURBONILLA. 329 



into pretty regular, small, squarish pits ; body-whorl subangu- 

 lated below the middle, the base only marked by fine spiral striae. 



Length, 4 mill. 



Long Inland Sound, Vineyard Sound. 



T. COSTULATA, Verrill. PI. 75, fig. 1 0. 



Translucent, glossy white, faintly banded with pale brown ; 

 whorls 6 or more (besides a large apical whorl), flattened, but 

 slightly convex, with about 20 longitudinal ribs and narrower, 

 deep interspaces, the latter crossed by close microscopic revolving 

 strias, which are continued below the subangulated periphery, 

 the costaa vanishing; bands two on the body, one on the spire- 

 whorls. Length, 4 mill. 



Long Island Sound, Vineyard Sound. 



T. INTERRUPTA, Totten. PI. 15, fig. 7. 



Whorls 10, almost flat, crossed by 20 to 30 obtuse ribs, the 

 interstices with about 14 subeqnal revolving lines arranged in 

 pairs, often confounded in one ; ribs obsolete below, where the 

 revolving lines are uninterrupted ; the whorls are slightly 

 shouldered, making the suture distinct ; whitish brown or amber- 

 colored. Length, 6'25 mill.. 



Mass, to N. Carolina. 



Very probably identical with T. rufa, Phil., of Europe, over 

 which it has priority of publication. 



T. TEXTJLIS, Kurtz. PI. 75, fig. 12. 



Whorls 6 or 7, shouldered, with close, prominent, smooth, 

 longitudinal ribs, the interspaces crossed by impressed revolving 

 lines ; white, waxy or chalky. Length, 3 mill. 



So. Carolina. 



Un figured Species. 



T. SPJRATA, Kurtz and Stimpson. No. Carolina. 



T. EQUALIS, Say. Vineyard Sound; Southern Coast. 



T. STUICTA, T. GRANDIS, Yerrill. Long Island Sound. 



T. PERLEPIDA, Verrill. Chesapeake Bay. 



T. VIRIDARIA, and vars. VIRGA and PUNICEA, Ball. 



Cedar Keys, Fla. 



