Notes on Species of the Family Corhiculadce. 



XIX. Ni '(es 071 Species of the Family corbiculad.e, with Figures. 



By Temple Prime. 



(Continued from Vol. viii. page 418.) 

 Read November 22d, 1869. 



Genus Corbicula. 



.11*. Corbicula anmiiralis, nov. spec. 



C. testa trigona, subtriangulari, a^quilaterali, compressiuscula, 



no. T(i. solidiuscula; latere antico rotundato, posticobrevi, 



>» ta ^. subtruncato, margine inferiore arcuato ; umboni- 



bus parvulis, obtusis ; pagina interna violacea ; 



sulcis irregularibus, quantummodo obsoletis ; epi- 



dermide olivaceo-lutescente vestita ; cardine in- 



Corbi<'iila ammir.dis. cfaSSatO. 



Long. 14; lat. 13; diam. 7 mill. 



llih. — Saigon, Cambodian. Collect. Morelet et Prime. 



Closely allied to species from the same region, Corb. Lydigiana, 

 erosa and Costarica, though smaller than either of them. Com- 

 pared with Corb. castanea, it is more triangular, the hinge-margin 

 is more angular, and the hinge itself is stronger. It differs from 

 Corh. Lydigiana in being less solid, less triangular, less inflated, 

 less heavily sulcated, and in having an epidermis of a different 

 color and which is not glossy. 



5 1. Corbicula ffnbernatoria, nor. spec. 



C. testa ovato-transversa, compressiuscula, H'quilaterali ; ex- 

 pw. 71. tremitatibua Bubrotundatis ; umbonibus parvulis, 

 rotundatis; sulcis obsoletis ; cpidennidt: pallide 

 viridi daveacente, Bubnitente, vestita ; pagina in- 

 terna Candida; dentibns violaceis. 

 Long. 16; Int. 13; Diam. 8 mill. 

 kgatanatorfe //„/,. -Saigon, Cambodia-. Collect. Morelet. 

 In outline and size this species presents some similarity to 



