150 SHELLS OF LOWER CALIFORNIA— STEARNS. 



U. S. N". M.), " found among Mytilus on.rocks [Fisher], Aiml 27, 1876;" 

 also at Monterey, Cal., two specimens. The foregoing was Dr. Car- 

 penter's determination, copied from his hibel. 



Family Chamid^. 



CHAMA PANAMENSIS, Reeve. 

 One example; La Paz, Capt. Forrer. 



CHAMA? FKONDOSA, B r o <1 e r i p . 



Three specimens. 



Gulf of California (No. 74805, U. S. N. M.), attached to valve of 

 Meleagrina Jimbriata. Altogether a fine series. 



At Station 2828, off Lower California, in 10 fathoms (probably this 

 species), Albatross. 



Fannly Cardud^. 

 CARDIUM SENTICOSUM, Sowerby. 



Several examples. 



San Jnanico; also found in the Gulf of California at the head of the 

 Gulf (No. 30085, U. S. N. M.); Dr. B. Palmer (No. 63752, U. S. N. M.). 

 Very close to the more northern '■^ quadrigenarium'''' of Conrad, and 

 may prove to be the same. 



CARDIUM PROCERUM, 8 o w e r b y • 



One specimen. 



Magdalena Bay (No. 63740, U. S. N.M); Guaymas (No. 23499, U. S. 

 N. M,), Dr. Palmer. Ballenas Bay (valves), and on good example at 

 Pichilincpie Bay, Albatross. 



CARDIUM MACULOSUM, Wood. 

 One valve. 



Gulf of California (No. 63744, U. S. N. M.), Stearns collection; an 

 exceedingly rare and characteristic species. 



CARDIUM CONSORS, B r o d e r i p and Sowerby. 



Several examples; common. 



La Paz (Nos. 34091, 63748, U. S. N. M.); Mazatlan (No. 63747, U. S. 

 N. M.); Acapulco (No. 13783, U. S. N. M.); Carmen Island (No. 63746, 

 U. S. N. M.), Towne. This last is rather varietal than typical, being 

 not quite characteristic. The Albatross dredged two dead valves at 

 Stati(m 2828, 10 fathoms off Lower California. 



CARDIUM (PAPYRIDEA) ASPERSUM, Sowerby. 



One example. 



La Paz, Forrer (No. 63769, U. S. N. M.). The National collection has 

 the same species from Carmen Island (No. 63768, U. S. N. M.); La Paz 



