ODOSTOMIA. 361 



0. ORYZA, Garrett. PI. 79, fig. 59. 



Thin, smooth, gloss}-, white ; whorls 7, tlatly convex, suture 

 faintly impressed, broadly margined ; columella concave, slightly 

 callous, with a rather small plait. Length, 8'5 mill. 



Viti Islands. 

 0. CRYSTALLiNA, Garrett. PI. 79, fig. GO. 



Rather thick, subpellueid, smooth, shining white, decussated 

 by microscopic striae ; whorls 11-12, nearly flat, suture impressed ; 

 columella arched, callous, with stout plait. Length, 7 '5 mill. 



Viti Islands. 

 0. LUTEA, Garrett. PI. 79, fig. CI. 



Smooth, shining, luteous yellow; whorls 9-10, flatly convex, 

 the last obsoleteh' subangulated on the peripher}', suture im- 

 pressed and margined ; a slight umbilical fissure; plait distinct. 



Length, 7 mill. 



Viti Islands; New Caledonia. 



The last locality is for 0. rafula, Souverbie. The description 

 does not mention a sutural margin in that species, but it is in- 

 distincth' shown in the figure. 



0. UNiLiNEATA, Garrett. PL 79, fig. 62. 



Smooth, shining, subpellueid, white, with a yellowish brown 

 line just above the suture; whorls about 11, convex, with deep 

 suture ; aperture lirate within, fold prominent. 



Length, ]0*5 mill. 



Viti Islands. 

 0. CUSPID ATA, Garrett. PI. 79, fig. 63. 



Smooth, shining, creamy white, with a microscopical articulate 

 darker line on the middle of the whorls; whorls 13-15, convex, 

 the last sliowing growth-lines, suture deep; aperture lirate with- 

 in, slightly expanded at the base; columella callous, fold stout ; 

 umbilicus fissured. Length, 11 mill. 



Viti Islands. 

 0. ACicuLiNA, Souverbie. PI. 79, fig. 64. 



Smooth, subpellueid, white, with two orange-brown revolving 

 lines, sometimes coalescing into a single broader band ; whorls 

 II, longitudinally-, minutely, imprcssly striate, suture impressed, 

 sometimes spirally substriated on the base, varicose around the 

 umbilicus; columella with an ascending plica. Length, 8 mill. 



New Caledonia. 



