ODOSTOMIA. 361 



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



Thin, smooth, glossy, white ; whorls 7, flatly convex, suture 

 faintly impressed, broadly margined ; columella concave, slightly 

 callous, with a rather small plait. Length, 3'5 mill. 



Viti Islands. 

 0. CRYSTALLINA, Garrett. PL 79, fig. 60. 



Rather thick, subpellucid, 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. PL 79, fig. 61. 



Smooth, shining, luteous } r ellow ; whorls 9-10, flatly convex, 

 the last obsoletely subangulated on the periphery, suture im- 

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



Length, 7 mill. 



Viti Islands ; New Caledonia. 



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

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

 distinctly shown in the figure. 



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



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

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

 suture ; aperture lirate within, fold prominent. 



Length, 10'5 mill. 



Viti Islands. 

 0. CUSPIDATA, Garrett. PL 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 showing 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. PL 79, fig. 64. 



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

 lines, sometimes coalescing into a single broader band ; whorls 

 11, longitudinally, minutely, impressly striate, suture impressed, 

 sometimes spirally substriated on the base, varicose around the 

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



New Caledonia 



