SOUTH AFRICAN MARINE MOLLUSKS. 35 



ANCILLA ALBOZONATA Smith. 



Cat. No. 186706, U.S.N.M., four specimens from Port Alfred (Coll. 

 No. 65). 



ANCILLA OBESA Sowerby. 



Cat. No. 98017, U.S.N.M., contains four specimens from Kowie, 

 and Cat. No. 186703, U.S.N.M., six specimens from Port Alfred 

 (Coll. No. 63). 



ANCILLA FASCIATA Reeve. 



Four lots of this species are in the collection of the United States 

 National Museum, all from Port Alfred. They are: Cat. No. 186704, 

 four specimens (Coll. No. 64). Cat. No. 249741, four specimens (Coll. 

 No. 1013). Cat. No. 249742, three specimens (Coll. No. 1014). 

 Cat. No. 249743, two specimens (Coll. No. 1015). 



ANCILLA MARMORATA Reeve. 



Cat. No. 186707, U.S.N.M., one specimen from Port Alfred (Coll. 

 No. 66). 



ANCILLA PURA Sowerby. 



Cat. No. 187016, U.S.N.M., one specimen from Port Alfred (Coll. 

 No. 550). 



ANCILLA BULLOIDES Reeve. 



Cat. No. 187015, U.S.N.M., four specimens from Port Alfred (Coll. 

 No. 549). 



ANCILLA OSCULATA Sowerby. 



Cat. No. 187014, U.S.N.M., four specimens from Port Alfred (Coll. 



No. 548). 



ANCILLA, species? 



Cat. No. 250441, U.S.N.M., contains an exceedingly young speci- 

 men from Port Alfred (Coll. No. 1314). 



Genus SYLVANOCOCHLEA Sowerby. 



SYLVANO COCHLEA ANCILLA Sowerby. 



Cat. No. 227772, U.S.N.M., one specimen from Port Alfred (Coll. 



No. 867). 



SYLVANOCOCHLEA, species? 



Cat. No. 250440, U.S.N.M., contains a badly worn specimen of this 

 genus, from Port Alfred, which is much broader and less elevated 

 than the foregoing species; (Coll. No. 1313). 



Family MARGINELLIDAE. 



Genus MARGINELLA Lamarck. 



MARGINELLA PYRUM Gronovius. 



Three lots of this species all from Port Alfred, are in the collection 

 of the United States National Museum. Cat. No. 186980, three 

 specimens (Coll. No. 512). Cat. No. 186983, two specimens (Coll. 

 No. 515); and two specimens, Cat. No. 249666 (Coll. No. 938). 



