76 RiSSOIDiE. 



7. Rissoina micans. 



Rissolna micans, A. Adams, P. Zool. S. 1851, Mindanao ; Schwartz, jig. 8 

 (typical spec), long. 4:7, diam. 1'7 mil. 



100 Tumb I., Kesm and Mutef (Persian G.) ; coll. W. T. Blanford, Esq. 



var. perstriatula, nov. 

 1 Tumb I. ; coll. W. T. Blanford, Esq. 



8. Rissoina, n. sp. 



1 Mauritius ; coll. G. Nevill, Esq. 

 Near the fossil U. basteroti. 



9. Rissoina elegans. 



Eissoa elegans, d'Orligny, Conch, foss. 1S38, Dax. 



var. [? dist. sp.] 



1 Steinabrunn (fossil) ; coll. Herr Schwartz von Molirenstern. 



10. Rissoina variegata. 



Eissoina variegata, A. Adams and Angas, P. Zool. S. 1867, Port JacTcson. 



2 Australia ; ex c. Dr. F. Stoliczka, 



11. Rissoina bruguierei. 



Rissoa bruguierei, Pagrandeau, Cat. Moll. Corse, 18 i6. 

 30 Algiers, Rhodes, &c ; coll. P. Joly, Esq. &c. 



12. Rissoina monllis. 



Rissoina monilis, A. Adams, P. Zool. S. 1851, PMUppines. 



This species is recorded by von Martens from Mauritius, but 

 I have not been able to identify it with any of the species I 

 have met with. Schwartz von Mohrenstern gives the measure- 

 ments of a typical specimen as — long. 4*9, diam. 3 mil. 



