NO. 1704. A COLLECTIOX OF ,S//FLLK FROM PERU—DALL. 265 



CARDIUM (RINGICARDIUM) PROCERUM Sowerby. 



1832. Cardlum procenim Sowerby, Proc. Zool. Soc, p. S3; 

 Con. 111., vol. 1, p. 5, pi. 60, %. 23, 1834. Cedros Island, 

 Lower California, south to the Lobos Islands, Peru. 



CARDIUM (TRIGONIOCARDIA) GRANIFERUM Broderip and Sowerby. 



1829. Cardiani granlferum Brodekip and Sowerby, Zool. 

 Journ., vol. 4, p. 367. Con. 111., Cardlum^ p. 3, no 38, pi. -tl), 

 tig. 17, 1834. Gulf of California and south to Guayaquil. 



CARDIUM (TRIGONIOCARDIA) OBOVALE Sowerby. 



1833. Cardlum ohovale Sowerby, Proc. Zool. Soc, p. 84; Con. 

 111., Cardlum^ pi. 46, fig-. 4, 1833. Magdalena Bay, Lower 

 California, and south to the coast of Ecuador. 



CARDIUM (FRAGUM) BIANGULATUM Sowerby. 



1829. Cardlum hlarxj (datum Sowerby, Zool. Journ., vol. 4, p. 

 367. Con. 111., Cardlum, fig. 2, 1833. Catalina Island, Cali- 

 fornia, south to Guayaquil. 



CARDIUM (FRAGUM) MAGNIFICUM Deshayes. 



1857. Carpenter, Eep. Brit. Assoc, 18.57, p. 187. — C. j>loi'n,l- 

 costatum Sowerby, Con. 111., Cardlum, no. 83, pi. 50, fig. 25, 

 1834. Lower California south to Paita, Peru. 



CARDIUM (PAPYRIDEA) ASPERSUM Sowerby. 



1833. Cardlum aspcrsum Sowerby, Proc Zool. Soc, p. 85; 

 Con. 111., Cardiwn, fig. 15, 1834. Magdalena Bay, Lower 

 California, to GuaA^aquil. 



CARDIUM (LiEVICARDIUM) ELENENSE Sowerby. 



1840. Cardlum elenense Sowerby, Proc. Zool. Soc, p. 109; 

 Con. 111., Cardium, pi. 181, fig. 58, 1840. Gulf of California 

 to Guayaquil and Clarion Island. 



Superfamily VENERACEA; 



Family VENERID.E. 



Genus DOSINIA Scopoli. 



DOSINIA DUNKERI Philippi. 



1844. CytkereadunkeriFHUAFFi, Abb., vol. 1, p. 4, pi. 2, fig. 9. — 

 Sowerby, Thes. Con., Ai^temls, pi. 140, fig. 5. Gulf of Cali- 

 fornia, south to Tumbes, Peru, and the Galapagos Islands. 



DOSINIA PONDEROSA Gray. 



1838. Artemis j^onderosa Gray, in Analyst, vol. 8, p. 309. — 

 Philippi, Abb., vol. 1, Cytherea, p. 171. — Sowerby, Thes. 

 Con., Artemis, p. 656, pi. 140, fig. 2, 1852. Magdalena Bay, 

 Lower California, south to Paita, Peru. 



Genus TIVELA Link. 

 TIVELA BYRONENSIS Gray. 



1838. Trlgona hyronensis Gray, Analyst, vol. 8, p. 302-9, no; 24. 

 Scammon Lagoon, Lower California, south to Guayaquil. 



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