RI8SOINA. 391 



Section Pyramidelloides, Nevill. 1884. 



R. MIRANDA, A. Ad. PI. 59, figs. 57-59, 55. 



White, Avhorls 7, with revolving nodulous ribs, of Avhich there 



are two of unequal size on the spire whorls, the body whorl with 



about four series ; outer lip crenulately varicose. Length, 3 mill. 



Red Sea, IndUin Ocean, Japan, Mauritius. 



R. insolita, Desh. (fig. 55), and R. Bellardii, Issel (fig. 59), are 



synonyms. 



Section Stossichia, Brusina. 1878. 



R. PSEUDocoNCiNNA, Nevill. PI. 58, fig. 19. 



Whitish, thiidy longitudinally costulate, and more thinly spirally 

 striate, the longitudinal scul])ture ol)S()lete below ; whorls 6, some- 

 what convex ; aperture narrowly channeled in front, lip varicose. 



Length, 9 mill. 



Japan. 



This name is substituted for R. concinna, Sowb., not Adams. 



R. MiRABiLis, Dunker. PL 59, fig. 60. 



Light ochraceous ; whorls 9, somewhat convex, with close longi- 

 tudinal ribs, crossed by spiral lirse, the intersections nodulous; su- 

 ture impressed ; aperture wudely channeled below, columella nodu- 

 lous below", lip varicose. Length, O'O mill. 



Ins. Upolu. 

 R. ABNORMis, Xevill. PI. 59, fig. 61. 



White ; whorls 6, with about 15 longitudinal ribs, vanishing 

 towards the base, crossed by dense spiral lirse, the intersections sub- 

 granular; aperture broadly channeled, lip crenulately varicose. 



Length, 3 mill. 



Mauritius, Ceylon. 



Subgenus Eatoniella, Dall. 1876. 



R. Kerguelenensis, Smith. PI. 60, fig. 67. 



Scarcely rimate, tliin, semipcllucid, blackish olivaceous, lighter 

 towards the lip, a little shining, striated by incremental lines; 

 whorls 6, convex, s'uture simple ; peristome simple, continuous. 



Length, 3 mill. 



Kerguelen's Land. 

 R. SUBRUFE8CENS, Smith. PI. 60, fig. 68. 



Scarcely rimate, thin, semidia])hanous, chestnut color, whitish 

 towards the lip, smooth, with thin incremental strife ; whorls 42, 



