364 ODOSTOMIA. 



Y. Asiatic Species. 

 0. FASCIATA, D anker. PL 79, fig. 81. 



Very smooth, shining, white, with a thin band ; whorls 8, flat, 

 with incised suture ; plait distinct ; columella barely rimate. 



Length, 5 mill. 



Japan. 

 0. LACTEA, Bunker. PI. 79, fig. 80. 



Rather solid, white, shining; whorls 8, flattened, with deep 

 suture; fold conspicuous. Length, 6'5 mill. 



Japan. 

 0. COSTULATA, Bunker. PI. 79, fig. 83. 



Longitudinally costate, whitish ; whorls 8, a little convex, 

 suture distinct; plica oblique, strong. Length, 5 mill. 



Japan. 

 0. CARINATA, A. Ad. PI. 79, fig. 82. 



Imperforate, thin, smooth, whitish ; whorls 6, the upper ones 

 unicarinated. The body bi-carinated, shouldered ; plica distinct. 

 Length, 3 mill. 



Persian Gulf. 

 Probably a monstrosity. 



0. CLYSMATJCA, Issel. PI. 79, fig. 84. 



Imperforate, solid, white, a little shining, transversely costu- 

 late ; whorls 5J, a little convex, suture margined, upper whorls 

 longitudinally plicate, the last at the suture only ; plait small. 



Length, 2 mill. 



Red Sea. 

 0. DECORATA, Phil. PI. 79, fig. 85. 



Longitudinally plicated, the wider interstices spirally striated, 

 plicae continuing to the base; whorls 6, slightly convex, with 

 well-impressed suture ; plait small. Length, 3 mill. 



Red Sea. 



0. CRATICULATA, Issel. PI. 79, fig. 86. 



Imperforate, yellowish white, solid, a little shining; longitu- 

 dinally plicate, plicae stopping at the periphery of the last whorl, 

 spirally costulate throughout ; whorls G^-, flatly convex, suture 

 profound; tooth small; umbilical region excavated. 



Length, 3 mill. 



Red Sea. 



