96 BULLETIN 91, UNITED STATES NATIONAL MUSEUM. 



Family DOLIIDAE. 



Genus DOLIUM Lamarck. 



DOLIUM DUNKERI Hanley. 



Cat. No. 18798, U.S.N.M., one from Port Elizabeth. Cat. No. 

 186793, U.S.N.M., one from Port Alfred (Coll. No. 156). 



Family AMPHIPERASIDAE. 



Genus AMPHIPERAS Meuschen. 



AMPHIPERAS BECKERI Smith. 



Cat. No. 186977, U.S.N.M., one specimen from Port Alfred (Coll. 

 No. 509). Cat. No. 249662, U.S.N.M., contains another specimen 

 from the same locality (Coll. No. 934). 



AMPHIPERAS SMITHI, new species. 



Plate 10, figs. 1, 3. 



Shell irregularly elongate-ovate, purplish pink, with a moderately 

 wide median band, and the tips and lip yellowish white. The surface 

 of the shell is smooth, excepting fine, equally spaced and equally dis- 

 tributed, spiral threads which are best developed near the anterior 

 and posterior fourth, becoming weaker as they approach the center. 

 In addition to this spiral sculpture, there are exceedingly fine lines 

 of growth which are best seen in the spaces between the spiral threads. 

 Aperture elongate-lunate, outer lip thick, forming a strong rounded 

 callus at the edge; inner Up represented by a thin callus placed 

 upon the body whorl, which becomes decidedly thickened on the ante- 

 rior and posterior horns; a short distance posterior to the anterior 

 end there is an oblique fold on the inner lip. 



The type, Cat. No. 227715, U.S.N.M., comes from Port Alfred (Coll. 

 No. 810). It measures: Length, 19.5 mm.; diameter, 8.1 mm. 



Family CYPRAEIDAE. 



Genus CYPRAEA Linnaeus. 



CYPRAEA CAPENSIS Lamarck. 



Cat. No. 18174, U.S.N.M., one from Natal. Cat. No. 75565, 

 U.S.N .M., three from Cape of Good Hope. Cat. No. 77266, U.S.N .M., 

 two collected by E. R. Mayo at the same place. Cat. No. 77712, 

 U.S.N.M., two from Cape of Good Hope. Cat No. 97980, U.S.N.M., 

 six from Kleinemond, Albany. Cat. No. 186796, U.S.N.M., one 

 from Port Alfred (Coll. No. 161). Cat, No. 250318, U.S.N.M., one 

 specimen from the same source (Coll. No. 1191). Cat No. 250322, 

 U.S.N.M., one specimen from the same locality (Coll. No. 1195.) 

 Cat. No. 272122, U.S.N.M., four from Port Elizabeth. 



