NO. 1704. A COLLECTION OF HUELLS FROM I'ERU—DALL. 243 



FISSURELLA (CREMIDES) OBSCURA Sowerby. 



1834. Proc. Zool. Soc, p. 125; Con. 111., Fissureila, fig. 27. 

 Gulf of Panama southward to Lambayeque, Peru, and the 

 Galapagos Islands. 



FISSURELLA (CREMIDES) VIRESCENS Sowerby. 



1834. Proc. Zool. Soc, p. 125; Con. 111., Fissurella^ fig. 51. 

 Mazatlan, Mexico, south to Paita, Peru, and the Galapagos 

 Islands. 



Genus MEGATEBENNUS Pilsbry. 

 MEGATEBENNUS COKERI Dall. 



1909. Proc. U. S. Nat. Mus., vol. 37, p. 178, pi. 5, figs. 3, 7. 

 Lobos de Afuera Island, Peru. 



Genus FISSURIDEA Swainson. 

 FISSURIDEA ALTA C. B, Adams. 



1852. FissiLvella alta C. B. Adams, Panama Sh., pp. 236, 320. — 

 Sowerby, Thes. Con., FlssureUa^ p. 194, pi. 7, figs. 154-6, 

 1866. Mazatlan, Mexico, to Paita, Peru, and the Galapagos 

 Islands, 



FISSURIDEA ASPERIOR Dall, new name. 



1909. FisHurclhi as2)era Sowerby, Proc. Zool. Soc, 1834, p. 127; 

 Con. 111., Fissurella, fig. 46. Not of Eschscholtz, Zool. 

 Atlas, 1833. Pacasmayo, Peru. 



FISSURIDEA FONTAINEANA Orbigny. 



1841. Fiss'urella Jhntainean a Orbigthy^Yoj. Am. Mer., p. 477, 

 pi. 78, figs. 12, 13, Islay, Peru. 



FISSURIDEA INiEQUALIS Sowerby. 



1834. Fissurella hicf/jualis Sowerby', Proc. Zool. Soc, p. 126; 

 Con. I\\., Fissurella^ fig. 45, 1835. Lower California to Pan- 

 ama and the Galapagos Islands. 



FISSURIDEA SATURNALIS Carpenter. 



1864. Glyphls saturnalis Carpenter, Ann. Mag. Nat. Hist., p. 

 479. (Unfigured.) Cape St. Lucas, and south to the Gala- 

 pagos Islands. 



Genus LUCAPINELLA Pilsbry. 

 LUCAPINELLA iEQUALIS Sowerby. 



1834. Fissurella iecjualis Sowerby, Proc Zool. Soc, p. 127; 

 Con. 111., Fissurella^ fig. 56, 1841. Santa Elena, Guayaquil, 

 Ecuador. 



LUCAPINELLA CALLOMARGINATA Carpenter. 



1872. Clypidella callomarginata (Carpenter Ms.) Dall, Am. 

 Journ. Conch,, vol. 7, p. 133, pi. 15, fig. 8. — Pilsbrt, Man. 

 Con., vol, 12, p. 196, pi. 44, figs. 3, 4, 5; pi. 61, figs. 1-5, 

 1890. Lobitas, California, and southward to Paita, Peru, 

 and Valparaiso, Chile. 



