1. Stenothyra deltse. 



Neinatura delt®, Benson, Journ. As. Soc. Benr/al, V, 1836, Calcutta, long. 

 4 to 5, diam. 21 to 3\ mil. 



100 Chandlpal, Pt. Canninp:, Calcutta, and Bliapjalpur ; coll. Dr. F. Stoliczka, 

 G. Nevill, J. B. Baxter, and J. Wood-Mason, Esqrs. 



Long. 5^, diam. 3J mil. 



subvar. minor. 

 20 Pt. Canning ; coll. G. Nevill and J. Wood-Mason, Esqrs 



Long. 4, diam. 2J mil. 



subvar. minima. 

 10 Pt. Canning; coll. G. Nevill and J. Wood-Mason, Esqrs. 



Long. 2|, diam. 1| mil. 



I can see no difference, even under the lens, between any 

 of the preceding, except in size ; there are intermediate forms. 



2. Stenothyra, n. sp. 



1 Chandipal, Bay of Bengal ; coll. G. Nevill, Esq. 



3. Stenothyra, n. sp. 



2 Sonmiani, Mekran Coast ; coll. W. T. Blauford, Esq. 



4. Stenothyra glabra. 



Stenotbjra glabra, A. Adams, Ann. Mag. 1861, Peiho. 



24i Swatow, Amoy, and Tokoham (Formosa) ; coll. R. Hungerford, Esq, 



5. Stenothyra, sp. 



1 Japan ? ; ex Mr. R. Damon (as " St. glabra, A. Ad.") 



6. Stenothyra strigilata. 



Stenothyra strigilata, Benson, Ann. Mag. XVll^ 1856, Borneo : long. 7, 

 diam. 4 mil. 



3 Sarawak : ex c. Prof. A. Issel. 



