RISSOIDE. 87 
40 Aden [113, 42], Singapore [decollate, of 5 whorls—10, 43] ; Andamans 
{not decollate, 9 whorls—93, 33], Penang [93, 4], Kesm, Gwadar, 
and Annesley Bay; coll. W. T. Blanford, F. Stoliczka, J. Wood- 
Mason and G. Nevill, Esqrs. 
56. Rissoina, n. sp. 
1 Andamans; coll. G. Nevill, Esq. 
Near 2. nodicincta, A, Adams,—Anfr. 6 to 7.—Long. 6, 
diam. 2} mil, 
‘ 
Szotion E.—Zesiwerta, Mérch. 
Mal. Blait. XXIII, 1876, type R. decussata, Mtg.; == Group IIL, Schwartz, 
1. ¢., page 39. 
57. Rissoina decussata. 
Montagu, Test. Brit. 1803, p.399 ; fide Schwartz—long. 7'8, diam. 3 mil. ; = 
R. alata, Menke, Syn. 1830, Hab.? 
12 W. Indies; ex c. J. Wood-Mason, Esq. 
var. emaciata. 
8 Steinabrunn [fossil] ; coll. Herr Schwartz von Mohrenstern [72, 3]. 
58. Rissoina obsoleta. 
Melania obsoleta, Partsch, ms., Hornes, Verz. Foss. Tert. Wien, 1848. 
1 Steinabrunn [fossil]; coll, Herr Schwartz von Mohrenstern. 
59. Rissoina adamsiana. 
Rissoina adamsiana, Weinkauff, Couch.-Cab. IL, 1881, pl.15 A, fig. 4, Japan. 
2 Japan [type]; ex Mr. R, Damon. 
From the collection of the late A. Adams, Hsq., and labelled 
“R. strigillata, A. Adams;” it cannot be Gould’s species of 
that name. 
60. Rissoina evanida. 
Rissoina evanida, G. Nevill, Jour, Asiat. Soc. Benyal, 1874, Andamans, 
long. 24, diam. 1 mil. : : 
3 Andamans [type]; coll. G. Nevill, Hsq, 
