NO. 1704. A COLLECTION OF SHELLH FROM PERU— BALL. 217 



ANACHIS RUGULOSA Sowerby. 



18M. Colimibella rugulosa Sowerby, Proc. Zool. Soc, p. 51; 

 Thes. Con., Columbella, p. 133, pi. 39, fig-. 131, 1844. Gulf 

 of Panama to Paita, Peru, and the Galapagos Islands. 



ANACHIS VARICOSA Gaskoin. 



1851. Colujuhella costellata Sowerby, Proc. Zool. Soc, 1832, 

 p. 118; not of Sowerby 1829. C. varicosa Gaskoin, Proc. 

 Zool. Soc, 1851, p. 5.— SoAVERBY, Thes. Con., CoIamhcUa^ 

 fig. 147, 1844. Mazatlan, Mexico, south to Paita, Peru, and 

 Arica, Chile. 



Genus ASTYRIS H. and A. Adams. 



ASTYRIS ELECTROIDES Reeve. 



1858. ColuniheUa electroides Reeve, Con. Icon., fig. 72. Guaya- 

 quil. 



ASTYRIS UNICOLOR Sowerby. 



1832. ColuiiileUa unlcolor Sowerby, Proc. Zool. Soc, p. 119. — 

 Reeve, Con. Icon., ColumheUa^ fig. 105. From Chimbote 

 Ba}", Peru, south to the island of Chiloe, Chile; also at the 

 Galapagos Islands. 



ASTYRIS UNIFASCIATA Sowerby. 



1832. ColumheUa iiuifasclata Sowerby, Proc. Zool. Soc, p. 114; 

 Thes. Con., Cohimbella, p. 133, pi. 39, fig. 130, 1844. Val- 

 paraiso, Chile, north to Arica. Magellan ? ( C. ebenum Gould.). 



Genus NITIDELLA Swainson. 



NITIDELLA BUCCINOIDES Sowerby. 



1832. Colunihella huccinoides Sowerby, Proc. Zool. Soc, p. 114 

 (not of Lesson, 1842).— Sowerby, Thes. Con., fig. 128, 1844. 

 Paita, Peru, south to Coquimbo, Chile. 



NITIDELLA OCELLATA Gmelin. 



1791. Valuta ocellata Gmelin, S. Nat., vol. 8, p. 3455. — Reeve, 

 Con. Icon., ColumheUa^ fig. 62. Tropical Atlantic. West 

 Indies. Pacific, from Cape St. Lucas south to the Galapagos 

 Islands and Guayaquil. 



NITIDELLA OBLITA Reeve. 



1850. ColumheUa oblita Reeve, Con. Icon., vol. 11, pi. 31, fig. 

 22. Peru. 



Genus STROMBINA Morch. 



STROMBINA DORSATA Sowerby. 



1832. Proc Zool. Soc, p. 120. — Reeve, Con. Icon., ColumheUa 

 fig. 15a. 1858. Guayaquil. 



STROMBINA GIBBERULA Sowerby. 



1832. ColumheUa gibherula Sowerby, Proc Zool. Soc, p. 115. — 

 Reeve, Con. Icon., ColumheUa, fig. 61^. 1858. West coast 

 of Central America and southward to Paita, Peru. 

 I 



