ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 24? 



No, 



Freq. 



Other Localities. 



99 



100 

 101 

 102 



103 

 104 

 105 



106 

 107 

 108 

 109 



110 



111 

 112 



113 



114 

 115 

 116 

 117 

 118 



119 

 120 



121 



I2lb 



122 

 123 



124 

 125 



126 



127 



128 

 129 

 130 

 131 

 132 

 133 

 687 



Dione brevispinosa, Sow 



circinata, Born 



= Venus Guineensis, Gmel. 



= Cytherea alternata, Brod. 

 concinna, Sow 



?+ Cytherea affinis, Brod. 



?-j-C. tortuosa, Brod. 



Cytherea petechialis, Lam 



Venus (Chione) gnidia, Brod. 8f Sow. 



amathusia, Phil. 



= Chione gnidia, var. Desh. 



, sp. ind. (a) 



distans, Phil. 



crenifera, Sow 



= V. Portesiana, D'Orb. 



Pundatella, Sow 



Columbiensis, Sow 



, sp. ind. (b) 



Tapes histrionica, Brod. 8f Sow 



= Chione histrionica, Desh. 



— grata, Say 



= Venus tricolor, Sow. teste Desh. 

 = V. discors, Sow. teste Jay. 



?= V. neglecta, Phil, (non Gray). 



— squamosa, n. s 



Anomalocardia subrugosa, Sow 



= Cytherea subsulcata, Mke. 



— subimbricata, Sow... 



Astartidce. 

 Circe margarita, n."s 



— subtrigona, n. s 



Gouldia Pacifica, C.B.Ad. 



— varians, n. s 



Cardita Californica, Desh 



= C. affinis, Mke. non Sow. 



Venericardia, sp. ind 



Trapezium, sp. ind 



Chamidce. 

 Chama frondosa, var. Mexicana 

 -\-Chama echinata, fig. pars. 



— ? frondosa, var. fornicata . 

 ?= C. Buddiana, C. B. Ad. 



— spinosa, Sow 



— exogyra, Conr 



Cardiadce. 

 Cardium (Laevicardium) elatum, Sow. ... 



— procerum, Sow 



?-\-C. laticostatum, Sow. 



— Psenticosum, Sow 



= C. rastrum, Rve. 



} — C. muricatum, Mke. 



sp. ind. (a) (like C. punctulatum) 



(b) (like C. triangulatum) ... 



(c) (like C. pseudofossile) ... 



(d) 



(e) 



(/) 



alabastrutn, n. s 



rotundatum, n. s 



v.r. 



e. c. 



c. 



e. r. 



1 

 3 



1 

 e. c. 



3 

 e. c. 



3 

 e. c. 



v. r. 

 v.r. 

 v.r. 

 c. 

 e. r. 



1 



1 



n. c. 

 v.r. 



n. u. 

 c. 



3 

 1 

 1 



1 

 2 

 2 

 e. r. 

 1 



West Indies, Monte Christi. 

 Panama. 



Japan. 



Payta, Panama, San Bias. 



S.W. Mexico, Panama. 



Panama. 



St. Elena, Payta. 



Island 3 Marias, G. of Calif. 

 St. Elena, S.W. Mexico. 



Real Llejos, St. Elena. 



S.W. Mex., Pan., St. Elena and 

 Guacomayo, Puerto Portrero, 

 Guaymas. 



S.W. Mexico, Panama, Peru. 

 Acapulco, Puerto Portrero. 



Panama. 



Gulf of Tehuantepec. 



Lord Hood's Island. 

 San Diego. 



Guaymas, San Diego. 



S.W. Mexico, Panama, Payta, 



Real Llejos. 

 Taboga, St. Elena. 



