136 BULLETIN 91, UNITED STATES NATIONAL MUSEUM. 



ASSIMINEA FASCIATA Krauss. 



Cat. No. 187051, U.S.N.M. Five specimens from Port Alfred (Coll. 

 No. 589). Cat. No. 227736, U.S.N.M., four young specimens from 

 the same locality (Coll. No. 831). Cat. No. 227737, U.S.N.M., three 

 very young individuals from the same source (Coll. No. 832). 



ASSIMINEA, species? 



Cat. No. 250421, U.S.N.M., contains a worn specimen which we 

 are unable to identify, from Port Alfred (Coll. No. 1294). 



Family CALYPTRAEIDAE. 

 Genus TROCHITA Schumacher. 



TROCHITA HELICOIDEA Sowerby. 



Cat. No. 186827, U.S.N.M., one specimen from Port Alfred (Coll. 

 No. 193). 



TROCHITA SINENSIS Linnaeus. 



Cat. No. 36, U.S.N.M., one specimen, collected by William Stimp- 

 son, on the North Pacific Exploring Expedition, at False Bay, Cape 

 of Good Hope. Cat. No. 139, U.S.N.M., five specimens collected by 

 William Stimpson, on the North Pacific Exploring Expedition, in 20 

 fathoms, on sandy bottom at False Bay, Cape of Good Hope. Cat. 

 No. 186828, two specimens from Port Alfred (Coll. No. 194). 



TROCHITA CALYPTRAEFORMIS Lamarck. 



Cat. No. 89868, U.S.N.M., two specimens from the Cape of Good 

 Hope. 



Genus CREPIDULA Lamarck. 



CREPIDULA ACULEATA Gmelin. 



Cat. No. 98023, U.S.N.M., five specimens from Albany. Cat. No. 

 186825, U.S.N.M., three specimens from Port Alfred (Coll. No. 191). 

 Cat. No. 19175, U.S.N.M., two specimens from the Cape of Good Hope. 



CREPIDULA HEPATICA Deshayes. 



Cat. No. 89869, U.S.N.M., two specimens from the Cape of Good 

 Hope. Cat. No. 19169, U.S.N.M., three specimens from the Cape of 

 Good Hope. Cat. No. 43146, U.S.N.M., five specimens from the 

 Cape of Good Hope. Cat. No. 98052, U.S.N.M., seven specimens from 

 Albany. Cat. No. 186826, U.S.N.M., two specimens from Port 

 Alfred (Coll. No. 192). Cat. No. 249788, U.S.N.M., contains three 

 specimens from the same locality (Coll. No. 1060). Cat. No. 249787, 

 U.S.N.M., four specimens from the same place (Coll. No. 1059). 



CREPIDULA HEPATICA COMPLANATA Krauss. 



Cat. No. 187131, U.S.N.M., two specimens from Port Alfred (Coll. 

 No. 677) . Cat. No. 250576, U.S.N.M., another specimen from the same 

 source (Coll. No. 1449). 



