Notes on Species of Corbiculadce. 



57 



VII. — N~otes on Species of the Family Cokbiculadje, with 



Figures. 



By Temple Prime. 

 Kead June 27, 1864. 



Fig. 1. 



Genus CORBICULA. 

 l. Corbicula pexata, nov. spec. 



C. testa trigona, ovato-transversa, insequilaterali, compressiuscula ; 

 latere antico rotundato, postico longiore, 

 productiore, obtuso ; umbonibus turaidis, 

 approximatis ; valvis tenuibus, intus viola- 

 ceo-candidis ; ligamento modico ; profunde 

 striata ; epidermide nitente, olivaceo-brun- 

 nea, fusco-maculata induta, aliquantisper li- 

 neis radiata ; lunula inconspicua ; dentibus 

 lateralibus pallide violaceis. 



Long. 36 ; lat. 30; diam. 10 mill.' 



Hob. — In iliimine Fuh-chan, Cliinae. 

 Collect. Prime. 



In outline the shell is trigonal, trans- 

 versely oval, inequilateral. The ante- 

 rior side is rounded and the posterior 

 side is longer, more produced and ab- 

 rupt. The valves are light ; the cavity 

 of the shell is not very deep, and the 

 color of the interior varies from white to violet, The teeth offer 

 no distinctive characters ; the lateral teeth are often violet. 

 The beaks are somewhat full, they are considerably raised above 

 the outline of the margin and they are approximate. The sulci 

 are regular, close, raised, and sharp. The epidermis is dark 



JUNE, 1864 5 Ann Lm Nat HlgT Yqu VIII< 



Corbicula pexata. 



