120 RISSOIDZ. 
2. Onoba n. sp. 
20 Arakan and Singapore ; coll. Dr. F. Stoliczka. 
var. [? dist. sp.]. 
1 Arakan; coll. Dr, F. Stoliczka, 
3. Onoba n. sp. 
2 Singapore; coll. Dr. F. Stoliczka. 
4. Onoba n. sp. 
1 Andamans; coll. J. Wood-Mason, Esq. 
5. Onoba delicata. 
Rissoa delicata, Philippi, Zeits. Mal., 1849, p. 34, Aden, long. 1}. 
2 Bombay; coll. Rev. S. B. Fairbank [5, 13], 
1 Roweiah, Red Sea; coll. J. B. Baxter, Esq. [62, 23]. 
4 Ceylon; coll. G. Nevill, Esq. 
These Herr Schwartz identified as O. pulchella, C. B. Adams. 
1 Aden; coll. G. Nevill, Esq. [45, 13]. 
var. microstoma, nov. 
3 Roweiah and Galle; coll. J, Baxter [6, 24]; columella more rounded, 
less angulate at base. 
2 Annesley Bay; coll. W. T. Blanford, Esq. [83, 14]. 
6. Onoba n. sp. 
Anfr. 4}; long. 3, diam. 1 mil. 
3 Tumb Island, and Bombay; coll. W. T. Blanford, Esq. 
7, Onoba [?P] n. sp. 
20 Singapore and Malacca; coll. Dr. F. Stoliczka, 
8. Onoba n. sp. 
12 Calicut; coll, Dr. F. Stoliczka, 
