260 PROCEEDINGS OP THE NATIONAL MUSEUM. vol.37. 



(SEPTIBRANCHIA TA.) 

 Superfamily POROMYACEA. 



Family CUSPIDARIID.E. 



Genus CUSPIDARIA Nardo. 



CUSPIDARIA COSTATA Sowerby. 



18;:)4. Atidtiiia coHtata Sowt£.^W!l:^Vyoc.. Zool. Soc.,p. 87. Coast 

 of Costa Rica, and south to Santa Elena, Ecuador, 



Order TELEODESAdACEA. 



(NASSIBRANCHIATA.) 



Superfamily ASTARTACEA. 



Family CRASSATELLITID.F. 



Genus OR ASSATELLITES Kruger. 

 CRASSATELLITES GIBBOSUS Sowerby. 



1832. Orassatella gihbosa Sowerby, Proc. Zool. Soc, p. o^.— 

 Reeve, (^on. Icon., Grassatt'Ihi., pi. 1, fig. 1, 1843. Gulf of 

 California, .south to Paita, Peru. 



Superfamily CYRENACEA. 



Family CYRENID.E. 

 Genus CYRENA Lamarck. 

 CYRENA ANOMALA Deshayes. 



1851. Proc. Zool. Soc, p. 21. — Prime, Mon. Corbie, p. 30, tig. 

 21, 1865.— Reeve, Con. Icon., Cyrena, pi. li», tig-. lo9, 1876. 

 Coasts of Ecuador and Peru. 



CYRENA CHILINA Prime. 



1867. Ann. Lye. N. Hist. N. York, vol. 8, p. 418. Chile. 



CYRENA CORDIFORMIS Recluz. 



1853. Journ. de Conchyl., vol. 1, p. 251, pi. 7, tig. 9. Paita, 

 Peru. 



CYRENA FONTAINEI Orbigny. 



1844. Voy. Am. Mer., p. 569, pi. 83, tigs. 14-15. Guayaquil, 

 Ecuador. 



CYRENA FORTIS Prime. 



1861. Journ. de Conchyl., vol. «>, p. 355; vol. 10, p. 387, pi. 14, 

 tig. 2, 1862. Ecuador. 



CYRENA ISOCARDIOIDES Deshayes. 



1854. Proc. Zool. Soc, p. 22.— Prime, Mon. Corbie, p. 25, 1865; 

 Proc. U. S. Nat. Mus., vol. 37, p. 159, pi. 26, tig. 4. Ecuador 

 coast. Estero Bendito, Tumbes, Peru. 



