RISSOIDiE. ■ 85 



vnr. [? dist. sp.] 

 2 Roweiah, Ked Seaj coll. J. B. Baxter, Esq. 



var. [?] 



1 Andamans; coll. G. Nevill, Esq. 



2 Nicobars; coll. Dr. F. Stoliczka. 



45. Rissoina, u. sp. 



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



46. Rissoina strigillata [?]. 



Rissoina strigillata, Gould, P. Bost, S. 1861, Loo Choo I., axin 5, diam. 2 20 

 mil. ; Couch.-Cab. II, pi. 15 B,fig. 4, Uony-Kong, 



'i Hong-Koug ; coll. R. Hungerford, Esq. [4, 1 Jj. 

 " 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. 3i, diam. 1^ mil. 



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

 1 Andamans; coll. Captain 11. C. Temple. 



Appears to be a new species near R. exasjyerata, Son v. 



49. Rissoina deshayesi. 



Rissoina desbayesi, SckwdHz von 3Iohrensfern, Denies. K. Ak. Wmtens. 

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



var. minor. 



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

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



