No. 1704. A COLLECTION OF SHELLS FROM PERU—DALL. 2295 
Superfamily NUCLEOBRANCHIATA. 
Family ATLANTID. 
Genus ATLANTA Lesueur. 
ATLANTA PERONII Lesueur. 
1836. Voy. Am. Mér., p. 171, pl. 12, figs. 1-15. Eastern Pacific. 
Pelagic. Also Atlantic. 
ATLANTA TURRICULATA Orbigny. 
1836. Voy. Am. Mér., p. 173, pl. 20, figs. 5-11. Eastern Pacific, 
late 3025S. -Pelasie. : 
Genus OXYGYRUS Benson. 
OXYGYRUS RANGII Eydoux and Souleyet. 
1841. Voy. Bonite, Atlas, pl. 18, figs. 18-24; text, Zool., vol. 2, 
p. 869, 1852. Southeastern Pacific. Pelagic. 
Family PTEROTRACHEID &. 
Genus PTEROTRACHEA Forskal. 
PTEROTRACHEA PERONII Orbigny. ey 
1836. Firola (Anops) peronit OrBIeNy, Voy. Am. Mér., p. 149, 
pl. 10, figs. 8-10. Eastern Pacific, lat. 20°'S. Pelagic. 
Genus FIROLOIDA Lesueur. 
FIROLOIDA LESUEURI Orbigny. 
1836. rola (Cerophora) lesueurt Onsieny, Voy. Am. Mér., p. 
151, pl. 10, figs. 11-12. astern Pacific, lat. 30°S. Pelagic. 
Genus CARINARIA Lamarck. 
CARINARIA PUNCTATA Orbigny. 
1836. Voy. Am. Mér., p..160, pl. 11, figs. 6-15. Off Juan 
Fernandez Island, S. lat. 33°. Pelagic. 
Superfamily TAZ NIOGLOSSA. 
Family SEPTID. 
Genus DISTORTIO Bolten. 
DISTORTIO CONSTRICTUS Broderip. 
1833. Triton constrictus Broprmrir, Proce. Zool. Soc., p. 5.— 
REEVE, Con. Icon., Zriton, pl. 12, fig. 41, 1844. Acapulco, 
Mexico, south to the coast of Ecuador. 
Genus CYMATIUM Bolten. 
CYMATIUM GIBBOSUM Broderip. 
1838. Triton gibbosum BropErtp, Proc. Zool. Soc., p. 7. REEVE, 
Con. Icon., Zriton, pl. 11, fig. 38, 1844. Panama to Guaya- 
quil. 
Proc.N.M.vol.87—09——15 
