TURBONILLA. 331 



minute spiral striiv, this species is perhaps the same as the 

 preceding." 



T. Americana, cVOrb. Tl. 7G, fig. 16. 



Thin, white, coarsely longitudinally costate, witli intercostal 

 spiral stride ; whorls 9, convex, with a small deep-seated colu- 

 niellar plication. Length, 3 mill. 



Rio Janeiro^ Brazil to San Bias, Patagonia. 



The figure does not show the plication, which must be small 

 and obscure. 



T. PUNCTA, C. B. Adams. Tl. 76, fig. 22. 



White; whorls 10-11, besides the nucleus, scarcely convex, 

 with distinct suture; white, with about 26-30 rather prominent 

 longitudinal ribs, not produced below the periphery of the last 

 whorl, and numerous crowded intercostal striae, one of which 

 stria3 a little above the middle of the whorls aud another along 

 the suture are wide and deep, resembling spiral series of 

 punctures. Length, 5-5 mill. 



Jamaica, St. Thomas. 



T. SUBULATA, C. B. Adams. PI. 76, fig. 23. 



White, or pale brownish wliite, with two spiral bands of pale 

 wax-color, and a third on the lower part of the body-whorl ; 

 whorls 10, rather convex, with well impressed suture, with 28-30 

 slender prominent longitudinal ribs, not quite obsolete below the 

 periphery, and very fine spiral strife between the costse and 

 anteriorl}^, the one next the suture larger. Length, 4*25 mill. 



Jamaica, St. Thomas. 

 T. FLAVociNCTA, C. B. Adams. PL 76, fig. 24. 



White, with a broad yellowish brown sutural band; whorls 

 8-9, besides the nucleus, slightly convex below the middle, a 

 little shouldered, with distinct suture; with about 28 rounded, 

 slender ribs, becoming obsolete anteriorly, and ver}^ minute 

 spiral strite intercostal and anterior. Length, 35 mill. 



Jamaica, St. IViomas, Guadeloupe. 



T. FASciATA, d'Orb. PI. 76, fig. 25. 



Thin, white, with a broad chestnut subcentral band ; whorls 

 9, gradate, with deep suture; longitudinally costate, the ribs 



