86 RISSOIDZ. 
The figured type seems to me that of a not quite adult spe- 
cimen. 
50. Rissoina hungerfordiana. 
Rissoina hungerfordiana, Nevill, Weinkauff, Conch.-Cab. IT, 1881, pl. 15 A, 
Jig. 9, Hong-Kong ; long. 52, diam. 2 mil. 
1 Hong-Kong [type]; coll. R. Hungerford, Esq. 
51, Rissoina, n. sp. 
1 Gwadar ; coll. W. T. Blanford, Esq. 
62. Rissoina, nu. sp. 
4 Kesh [Persian Gulf]; coll, W, T. Blanford, Esq. 
53. Rissoina erythreea. 
Rissoina erythrea, Philippi, Zeits. Mal. 1851, p. 93, Aden, long. 3:3, diam, 
1:2 mil. ; fide Schwartz, from Red Sea, Steward’s I., Sandwich I, and Mauri 
tius ; fide Mus. Godef. Cat. V = B. cerithiiformis, Dkr. 
60 Nicobars, Mauritius [43,14], Andamans (83, 13], Annesley Bay, 
Roweiah,' and Ceylon; coll. W. T. Blanford, G. Nevill, J. Wood- 
Mason, and J. B. Baxter, Esqrs. 
3 Upolu; ex c. Mus. Godeffroy. 
64. Rissoina blanfordiana. 
Rissoina blanfordiana, G@. Nevill, J..A.S. B. Sept. 1881, pl. VI, fig. 16, Zoulla ; 
lung. 93, diam, 33 m. ;=R., Jickelit, Weinkauff, Conch.-Cab. II, Dec. 1881, 
Massaua. 
1 Zoulla, Red Sea [type R. blanfordiana] ; coll. W. T. Blanford, Esq. 
1 Massaua [typical 2. jéckelit]; ex c. Dr. H. C. Weinkauff, 
Rissoina jickelii is the more perfect and adult form of the 
somewhat ‘‘ depauperate” specimen from which I described R. 
blanfordiana. Pearl-like nodules on the points of intersection. 
55. Rissoina clathrata. 
Rissoina clathrata, 4. Adams, P. Zool, 8.1851, Bohol ; fide Schwartz, long. 12, 
diam. 45 mil., also from Australia ; Suez fide Mesdndrew, 
