EISSOID^. 85 



var. [? dist. sp.] 

 2 Roweiah, Ked Sea ; coll. J. B. Baxter, Esq. 



var. [?] 



1 Andamans; coll. G. Nevill, Esq. 



2 2«Iicobarsj coll. Dr. F. Stoliczka. 



45. Rissoina, n. sp. 



30 Tumb I., Gwadar, &c. (42 fths.) ; coll. W. T. Blanford, Esq. 



46. Rissoina strigillata [?]. 



Rissoina strigillata, Gould, P. Bost. S. 1861, Loo Choo L, axis 5, diam. 2 20 

 mil.; Conch.- Cad. [I, pi. 15 B,fig. 4, Hong-Kong, 



3 Hong-Kong ; coll. R. Hungerford, Esq. [4, If J. 

 ** Under stones, at very low water." 



47. Rissoina, n.sp. 

 Long. 2}, diam. f mil. 



20 Mauritius and Andamans ; coll. G. Nevill, Esq, 



48. Rissoina, n. sp. 



Long. 3-3", diam. li mil. 



2 Penang and Andamans ; coll. Dr. F. Stoliczka. 

 1 Andamans ; coll. Captain K. C. Temple. 



Appears to be a new species near R. eMcs^Jerata., Sou v. 



49. Rissoina deshayesi. 



Rissoina deshayesi, Schwartz von Mohrenstern, Denies. K. Ale. Wishhwi. 

 Wien, XlX, 1860, Mindanao, long. 9'4, diam, 3'3 mil. 



var. minor. 



1 Andamans ; coll. J. Wood-Mason, Esq. [6^, 2|]. 

 1 Cebu ; coll. R. Hungerford, Esq. [6^ 3|]." 



