66 RISSOIDJ!, 



7. Assiminea, n. sp. 



1 Kulungsu (Amoy) ; coll. R. Hungerford, Esq, 



Near Assiminea microsmdyta, Nevill. 



8. Assiminea, n. sp. (?) 



1 Bombay ; ex c. Dr. F. Stoliczka. 



9. Assiminea japoniea. 



Assiminea Japoniea, von Martens, Berl. Ges, naturl. Fr. 1877, Japan, 



2 Japan ; ex Mr. R. Damon (labelled " A. cincta, A. Ad."). 



10. Assiminea borneensis. 



Amnicola bomeensis, j55eZ, -4mw. JfM5. Civ. Geneva VI, 1S74, BintuJu—long. 

 2\, diam. if mil. 



4) Borneo (typical) ; ex c. Prof. A. Issel. 



11. Assiminea beddomeana. 



Assiminea beddomeana, G. Nevill, J. Asiat. S. Bengal, 1880, Ft. Canning 

 and op. cit. 1881, pi. VII, fig. 3. 



50 Port Canning (type) ; coll. J. Wood-Mason, Esq. 

 11 Cox's Bazar (Cbittagong) and Rangoon j coll. H. Raban and 

 R. Hungerford, Esqrs. 



12. Assiminea rotunda. 



Assiminea rotunda, Fairhanlc, ms., TV. T. Blanford, Ann. Mag. XIX, 1867 — 

 " on mud between tide^marlcs, rather lower down than A. cornea and 

 A. marginata, Bombay— long. 4, diam. 3 mil., animal gr eg." 



8 Sonmiani, Mekran (Persian Gulf) ; coll, W. T. Blanford, Esq. 

 16 Bombay ; coll. Rev. S. B. Fairbank and W. T. Blanford, Esq. 



13. Assiminea marginata. 



Optediceros marginatum, Leith, J. As. S. Bombay, V — July 1853, Bombay — 

 " animal scarlet ;" Blanford, Ann. Mag. XIX, 1867, long. 4g, diam. 3 mil' 

 and var. major, long. 6, diam, 4 mil. 



14 Bombay ; coll. Rev. S. B. Faii'bank and W. T. Blanford, Esq. 

 8 Sonmiani, Persian Gulf ; coll. W. T. Blanford, Esq. 



The differences between tliis species and tlie preceding seem 

 to me scarcely more than varietal. 



