SOUTH AFRICAN MAEINE MOLLUSKS. 65 



Family JANTHINIDAE. 



Genus JANTHINA Bolten. 



JANTHINA COMMUNIS Lamarck. 



Cat. No. 77279, U.S.N.M., contains one specimen from the Cape 

 of Good Hope. Cat. No. 97994, U.S.N.M., five specimens from 

 Albany. In addition to these, the Museum contains three lots from 

 Port Alfred. Cat. No. 249755, three specimens. (Coll. No. 1027.) 

 Cat. No. 250503, one specimen (Coll. No. 1376). Cat. No. 250504, 

 one specimen (Coll. No. 1377). 



JANTHINA GLOBOSA Swainson. 



Cat. No. 186833, U.S.N.M., contains one specimen from Port 

 Alfred (Coll. No. 200). 



JANTHINA TROCHOIDEA Reeve. 



Cat. No. 186834, U.S.N.M., two specimens from Port Alfred 

 (Coll. No. 201). 



JANTHINA EXIGUA Lamarck. 



Cat. No. 186835, U.S.N .M., one specimen from Port Alfred (Coll. 

 No. 202). Cat. No. 272131, U.S.N.M., six specimens from Algoa Bay. 



JANTHINA FRAGILIS Lamarck. 



Cat. No. 187096, U.S.N.M., one specimen from Port Alfred (Coll. 

 No. 640). 



Family EULIMIDAE. 



Genus MELANELLA Bowdish. 



MELANELLA DILECTA Smith. 



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

 National Museum, all from Port Alfred, as follows: Cat. No. 186855, 

 four specimens (Coll. No. 225); Cat. No. 227730, four specimens 

 (Coll. No. 825); Cat. No. 227731, sLx specimens (Coll. fro. 826); Cat. 

 No. 249707, one specimen (Coll. No. 979). 



MELANELLA ALGOENSIS Smith. 



Cat. No. 249712, U.S.N.M., contains one specimen from Port 

 Alfred (Coll. No. 984). 



MELANELLA SIMPLEX Sowerby. 



Cat. No. 186857, U.S.N.M., contains one specimen from Port 

 Alfred (Coll. No. 227). 



MELANELLA CARIFA, new species. 

 Plate 20, fig. 7. 



Shell small, slender, flexed, semitranslucent, polished, bluish 

 white. Whorls slightly rounded on the curved and slightly concave 

 on the opposite side, appressed at the summit to such an extent that 



