RiSSOlDiE. 87 



40 Aden [11|, 4|], Singapore [decollate, of 5 whorls— 10, 4^] ; Andauians 

 [not decollate, 9 whorls— 9|, 3^], Penang [Oi, 4], Kesm, Gwndar, 

 and Annesley Bay ; coll. W. T. Blanford, F. ijtoliczka, J. Wood- 

 Mason and G. Nevill, Esqrs. 



56. Rissoina, n. sp. 



1 Andamans; coll. G. Nevill, Esq. 



Near li. nodicincta, A. Adams. — Anfr. 6 to 7. — Long. 6, 

 diam. 2J mil. 



Section E. — Zep.inella, Mdrch. 



Mai. Blat. XXIII, 1876, type R. decussata, Mtg. ; == Group III, Schioartz, 

 I. c, page 89. 



57. Rissoina decussata. 



Montagu, Test. Brit. 1S03, p. 399 ; fide Schwartz -long. 7'3, diam. 3 mil. ; = 

 E. (data, Menke, Syn. 1S30, Rah. ? 



12 W. Indies ; ex c. J. Wood-Mason, Esq. 



var. emaciata. 



8 Steinabrunn [fossil] ; coll. Herr Schwartz von Mohrensteru [7|, 3 J. 



58. Rissoina obsoleta. 



Melania obsoleta, Partsch, ms.. Homes, Verz. Foss. Terf. JTien, 184S. 



1 Steinabrunn [fossil] ; coll. Herr Schwartz von Mohrenstern. 



59. Rissoina adamsiana. 



Rissoina iid'Mnsiii\m,Weinkatiff', Conch.- Cab. II., 18Sl,pl.l5 A, fig. 4, Japan. 



2 Japan [type] ; ex Mr. R. Damon. 



From tlie collection of the late A. Adams, Esq., and labelled 

 " B. strigillata, A. Adams ; " it cannot be Gould's species of 

 tbat name. 



60. Rissoina evanida. 



Rissoina evanida, G. Nevill, Jour. Aniat. 8oc, Bengal, 1874, Andamans, 

 long. 2\, diam. 1 mil. 



3 Andamans [type]; coll. G. Nevill, Esq. 



