NO. 1704. A COLLECTION OF SHELLS FROM PERU—DALL. 225 



Superfamily NUCLEOBRANCHIATA. 



Family ATLANTID^. 



Genus ATLANTA Lesueur. 



ATLANTA PERONII Lesueur. 



1836. Voy. Am. Mer., p. 171, pi. 12, figs. 1-15. Eastern Pacific. 

 Pelagic. Also Atlantic. 



ATLANTA TURRICULATA Orbigny. 



1836. Voy. Am. Mer., p. 173, pi. 20, figs. 5-11. Eastern Pacific, 

 lat. 30° S. Pelagic. 



GenLis OXYGYRUS Benson. 



OXYGYRUS RANGII Eydoux and Souleyet. 



1841. Voy. Bonite, Atlas, pi. 18, figs. 18-24; text, Zool., vol. 2, 

 p. 369, 1852. Southeastern Pacific. Pelagic. 



Family PTEROTRACHEID^. 



Genus PTEROTRACHEA Forskal. 



PTEROTRACHEA PERONII Orbigny. 



1836. Fh'ola (Anops) peronii Orbigny^ Voy, Am. Mer., p. 149, 

 pi. 10, figs. 8-10. Eastern Pacific, lat. 20° S. Pelagic. 



Genus FIROLOIDA Lesueur. 



FIROLOIDA LESUEURI Orbigny. 



1836. Firola {Cerojyliom) lesueur i Orbigny,^ Voy. Am. Mer., p. 

 151, pi. 10, figs. 11-12. Eastern Pacific, lat. 30° S. Pelagic. 



Genus CARINARIA Lamarck. * 



CARINARIA PUNCTATA Orbigny. 



1836. Voy. Am. Mer., p. 160, pi. 11, figs. 6-15. Off Juan 

 Fernandez Island, S. lat. 33°. Pelagic. 



Superfamily T^NIOGLOSSA. 



Family SEPTID^. 



GenLis DISTORTIO Bolten. 



DISTORTIO CONSTRICTUS Broderip. 



1833. Triton constr ictus Broderip, Proc. Zool. Soc, p. 5.— 

 Reeve, Con. Icon., Triton^ pi. 12, fig. 41, 1844. Acapulco, 

 Mexico, south to the coast of Ecuador. 



GenLis CYMATIUM Bolten. 



CYMATIUM GIBBOSUM Broderip. 



1833. Triton gibbosum Broderip, Proc. Zool. Soc, p. 7. — Reeve, 

 Con. Icon., Triton^ pi. 11, fig. 38, 1844. Panama to Guaya- 

 (luil. 



Proc.X.M.vol.37— 09 15 



