SOUTH AFRICAN MAEINE MOLLUSKS. 207 



Family PSAMMOBIIDAE. 



Genus GASTRANA Schumacher. 



GASTRANA ABILDGAARDIANA Spengler. 



There are three lots of this species in the collection of the United 

 States National Museum, all from Port Alfred, as follows: Cat. No. 

 186947, one specimen (Coll. No. 317); Cat. No. 186958, a very young 

 valve (Coll. No. 328) ; Cat. No. 249872, four young valves (Coll. No. 

 1144). 



Genus PSAMMOBIA (Lamarck) Bowdieh. 



PSAMMOBIA BURNUPI Sowerby. 



Cat. No. 187169, U.S.N.M., three valves from Port Alfred (Coll. 



No. 716). 



PSAMMOBIA, species? 



Cat. No. 187169a, U.S.N.M., contains a valve of a Psammobia 

 which I am unable to reconcile with any of the known species from 

 South Africa, but which is too poor to be identified, (Coll. No. 716). 

 It comes form Port Alfred. 



Genus PSAMMOTELLINA Fischer. 



PSAMMOTELLINA CAPENSIS Sowerby. 



Cat. No. 127046, U.S.N.M., three specimens from Port Elizabeth. 

 In addition to these, there are six lots in the collection of the United 

 States National Museum, all from Port Alfred, as follows: Cat. No. 

 186953, one specimen and four valves (Coll. No. 323); Cat. No. 

 249864, seven specimens (Coll. No. 1136); Cat. No. 249865, one 

 specimen (Coll. No. 1137); Cat. No. 249866, one specimen (Coll. No. 

 1138); Cat. No. 249867, one valve (Coll. No. 1139); Cat. No. 251055, 

 one valve (Coll. No. 1572). 



Family DONACIDAE. 

 Genus DONAX Linnaeus. 



DONAX SERRA Chemnitz. 



Cat. No. 84, U.S.N.M., three specimens collected by William Stimp- 

 son on the North Pacific Exploring Expedition at the Cape of Good 

 Hope. Cat. No. 76087, U.S.N.M., two valves from the Cape of Good 

 Hope. Cat. No. 97998, U.S.N.M., two specimens from Albany. 

 Cat. No. 98234, U.S.N.M., one specimen from Port Elizabeth. Cat. 

 No. 1S6956, U.S.N.M., one specimen from Port Alfred (Coll. No. 

 326). 



DONAX BERTINI Pilsbry. 



Cat. No. 160860, U.S.N.M., one specimen from South Africa. 

 Cat. No. 251035, U.S.N.M., contains two valves from Port Alfred 

 (Coll. No. 1552). 



