86 RISSOID.E. 



The figured type seems to me that of a not quite adult spe- 

 cimen. 



50. Bissoina hunger f or di ana. 



Eissoina hungerfordiana, Nevill, WeinTcau/, Conch.-Cab. II, 1881, pi. 15 A, 

 Jiff. 9, Hong-Kong ; long. 5\, diam. 2 mil. 



1 Hong-Kong [type] ; coll. R. Hungerf ord, Esq. 



51. Eissoina, n. sp. 



1 Gwadar ; coll. W. T. Blauford, Esq. 



52. Kissoina, n. sp. 



4 Kesh [Persian Gulf]; coll. W. T. Blanford, Esq. 



53. Bissoina erythrsea. 



Rissoina erythrsea, Philippi, Zeits. Mai. 1851, p. 93, Aden, long. 3'3, diam. 

 1-2 mil. ;fide Schwartz, from Red Sea, Steward's L, Sandwich I. and Mauri- 

 tius ; fide Mm. Godef. Cat. V= S. cerilhiiformis, Dkr. 



60 Nicobars, Mauritius [4, 1], Andamans [3i, 1J, Annesley Bay, 

 Roweiabv and Ceylon ; coll. W. T. Blanford, G. Nevill, J. Wood- 

 Mason, and J. B. Baxter, Ksqrs. 

 3 Upoluj ex c. Mus. Godeffroy. 



64. Rissoina blanfordiana. 



Rissoina blanfordiana, G. Nevill, J. A. S. B. Sept. 1881, pi. VI, fig. 16, Zoulla ; 

 l>ng. 9\,diam.3% m.;=S. Jickelii, WeinJcauff, Conch.-Cab. II, Dec. 1881 t 

 Massaua. 



1 Zoulla, Red Sea [type E. blanfordiana] -, coll. W. T. Blanford, Esq. 

 1 Massaua [typical R.jickelii] ; ex c. Dr. H. C. Weinkauff. 



Rissoina jickelii is the more perfect and adult form of the 

 somewhat " depauperate" specimen from which I described It. 

 llanfordiana. Pearl-like nodules on the points of intersection. 



55. Rissoina clathrata. 



Eissoina clathrata, A. Adams, P. Zool. 8.1851, Sohol ; fide Schwartz, long. 12, 

 diam. 4'5 mil., also from Australia ; Sues fide McAndrew, 



