planaxidj:. 179 



3. Styliferina [?] sp. [?] 



1 Singapore j coll. Dr. F. Stoliczka. 

 Of very doubtful generic determination. 



4. Styliferina sp. ? 



3 Andamans ; coll. Gr. Nevill, Esq. 

 Whorls subangulate. 



5. Styliferina sp. ? 



3 Andamans ; coll. G. Nevill, Esq. 



Whorls convexly rounded. 



1 Mauritius; coll. G. Nevill, Esq. 



var. (? dist. sp.) 



2 Mauritius ; coll. G. Nevill, Esq. 



The last whorl conspicuously more produced. 



6. Styliferina ? sp. 



2 Mauritius ; coll. G. Nevill, Esq. 

 Found together in an empty oyster shell on the shore. 



7. Styliferina ? sp. 



7 Hongkong ; coll. R. Hungerford, Esq. 



Genus DIAL A, A. Adams. 



Ann Mug., VIII, 1861, type D. varia, A. Ad.; Smith. P. Zool. S., 18' 5, 

 p. 538, 



There are also D. tenuis and^ simplex, Smith, 1875, from 

 Japan ; D. succincta, A. Adams, from Suez ; and B. suturalisj 

 Philippines and from the Suez. 



1. Dial a sulcifera. 



Diala sulcifera, A. Adams, Ann. Mag., X, 1862, Japan. 



