336 TURBONILLA. 



T. BICINCTA, T. MUNDA, T. CINCTA, T. FRAGILIS, T. SCULPTILTS, 

 T. COMMODA, T. NITIDA, T. MONOCYCLA, T. MODICA, T. VENUS- 

 TULA, T. EXiMiA, T. PERFECTA, T. MACiLENTA, all of A. Adams. 



Japan. 



T. RUBROFUSCA, T. CuMiNGii, Carpenter. China Sea. 



T. c^LATA, T. ORNATA, Gould. Hong Kong. 



yi. Indian Ocean Species. 

 T. Yelaini, Tryon. PI. 75, fig. 99. 



White ; whorls 8, shouldered, longitudinally straiglitl}' plicate, 

 the wider interspaces with slight spiral impressed strioe. 



Length, 325 mill. Isl. of St. Paul, Indian Ocean. 



Described by Velain as T. scalaris, preoccupied by PhilippiT 



T. DiscuLUS, Velain. PL 15, fig. 97. 



White ; whorls 9, rather flattened, with fine, close longitudinal 

 ribs, terminating at the periphery of the body-whorl. 



Length, 3 mill. Isl. of St. Paul, Indian Ocean. 



T. PERONii, Yelain. PI. 75, fig. 98. 



Gra3nsh white, thin, with 7 convex whorls, with irregular 

 longitudinal riblets, becoming more or less evanescent about the 

 middle of the whorls. Length, 2'75 mill. 



Isl. of St. Paul, Indian Ocean. 

 T. TENUicosTA, Isscl. PL 75, fig. 4, 



White, a little shining; whorls 6j, a little convex, suture 

 margined, thinly, obliquely, longitudinally plicate, plicae fading 

 out on the last whorl, interstices much wider. 



Length, 2-25 milL Bed Sea. 



T. soLiDULA, Issel. PL 75, fig. 3, 



Yellowish white, a little shining, obliquely longitudinally 

 plicate, interstices much wider, suture not margined ; whorls 

 8-9, somewhat convex, plications extending over the last whorL 



Length, 3 mill. » Bed Sea. 



T. CRYSTALLTNULA, Issel. PL 75, fig. L 



White, pellucid, shining, fragile, with thread-like longitudinal 

 oblique plications extending over all the whorls, and much wider 

 smooth interspaces; whorls 9-10, convex. Length, 2 mill. 



Bed Sea. 



