ON MOLLUSCA OF THE WEST COAST OF XORTH AMERICA. 



61d 



A. N. H. Vol. XIV. 



Sp. 

 44. 

 45. 



46. 



Pa2;e. 

 47. 



47. 48. 



4S. 

 49. 

 50. 

 51. 

 52. 



49. 



Eidima fuscostrigata. 1 sp. 



Opalia cre/tafoicies. 1 perfect and a few rubbed specimens. Tlii?, and 



the Santa Barbara fossil, O. ?var. insculpta, are so close to tlie Por- 



tu^jiiese O. crenafa, that additional specimens may comiect them. 

 Tntncarin eurytoides. Couuuonj rubbed. Also Guacomayo, in the 



Smithsonian Museum. 

 Sistrum (?ochrostoma, var.) rufonofatmn ; connected with type by a few 



intermediate specimens. Rare ; dead. 

 ?Ki'i(letl(i millepuncUda. Also Guacomayo, Mus. Smiths. Very rare,dead. 

 Nittdella densilineata. Very rare ; dead. 

 ?Aiioc/iis fincta. 1 sp. 

 Anachis fuscostrigata, 1 sp. 

 Pisania elata. A few worn specimens ; like Peristernia, -without plait. 



The following table contains the species previously described, with the ad- 

 dition of the otlier localities in which they are known to occur. The numbers 

 in the first column are those in Prof. C. B. Adams's Panama Catalogue : a 

 P in the same column signifies that the species has been found at Panama 

 by other collectors. The second column contains the shells of La Paz, col- 

 lected by Major Rich and others, and are marked by an italic P. In the 

 third column, A shows that the shell has been found at Acapulco, on good 

 authority ; and C, that it is known at other stations on the Central American 

 coast. The fourth column exhibits the corresponding numbers of the species 

 in the B. M. E.eigen Catalogue; and G shows that the shell has been found 

 in the Gulf district by other collectors. In the fifth column, Cal. stands 

 for Upper, and L for Lower California ; Marg. for Margarita Bay, Gal. for 

 the Galapagos, E for Ecuador and the tropical shores of S. America, and WI 

 for the \Yest Indies. The sixth column continues the numbering of the 

 species from the list in the ' Annals.' 



105 



