148 SHELLS OF LOWER CALIFOBNTA— STEARNS. 



This form is exceedingly rare; odd values are occasionally uiec with in 

 beach rubbish. 



Family a r d i t i d ^. 



CARDITA PECTUNCULUS, Bruguiere. 



+ C. affinis, Sowerhy. 



+ C. Californica, Dkshayks. 



Two specimens. 



La Paz (No. 73610, U. S. N. M.); Loreto (No. 73611, U. S. N. M.), 

 Dr. Gabb. Sta. Margarita Island (two good examples). Albatross. 



CARDITA (VENERICARDIA) FLAMMEA, Miclielin, 1830. 



+ C. varia, Bkoderip, 1832. 



-f C. tiimida of the same author. 



Several specimens. Tres Marias (No. 73619, U. S, N. M.); Mulege 

 Bay (No. 73618, U. S. N. M.). 



Magnificent examples of this fine species have been dredged by the 

 U. S. Fish Commission steamer J./&rtiros6'. These are of a pinkish color 

 with whitish and darker markings, and measure 69 millimeters from 

 beak to ventral margin (about 2f inches). 



CARDITA (VENERICARDIA) CRA8SA, Gray. 



One specimen. Tres Marias (No. 73625, U. S. N. M.). 

 The single example of this well-marked form obtained is about two- 

 thirds the size of the figure m Reeve's monograph, species 34. 



Family Crassatellid^. 



CRASSATELLA GIBBOSA, Sowerby. 



One adolescent specimen. 



San Lucas Cove (No. 75033, U, S. N. M.). The example, though 

 small, is quite characteristic; it was obtained by dredging. This 

 species is exceedingly rare. Dr. Jones collected four odd valves at' 

 Payta, Peru, in 1884, and Gabb detected it at Loreto in 1867 (No. 

 73522, U. S. N. M.); Guaymas, Dr. Palmer (No. 23548, U. S. N. M.). 



iFamily LucinidvE. 



LUCINA (DIVARICELLA) DENTATA, Wood. 



Examples. San Juanico and Loreto ; Dr. Gabb. 



An interesting form occurring in the Atlantic Dall gives the range 

 from Georges Bank off Hatteras, to the West Indies, thence southerly 

 to Brazil, in from six to fifty-two fathoms. The above is the Cydas den- 

 tata of the older authors. 



LUCINA BELLA, Conrad, 



Fresh specimen. Gulf of California. 



