Notes on Species of Corbiculadce. 



213 



XXVII. — Notes on Species of the Family Corbiculadce, with 



Figures. 



By Temple Prime. 



(Continued from page 92.) 



Read April 2, 1866. 



Genus CORBICULA. 

 30. Corbicula erosa, Prime. 



Corbicula erosa, Prime. Acad. N. S. Phil. Proe. 126. 1861. 

 Prime Cat. 3. 1868. 



C. testa trigona, subsequilaterali, turaidula, solidiuscula; striis irre- 

 gularibus; epidermide nigro-fuscescente vestita; latere 

 antico producto, rotundato, postico subangulato, obtuso ; 

 maro-ine inferiore panim arcuato; umbonibus tumidis, 

 profunde erosis; cardine incrassato; dentibus cardina- 

 libus crassis, distantibus ; lunula vix conspicua; mar- 

 garita violacea. 



Fig. 40. 



Long. 20 



lat. 18 ; diara. 12 mill. 



Corbicula erosa. 



ifo£— Cambodia. Collect. Jay, Cuming et 

 Prime. 



The shell is trigonal, nearly equilateral, in- 

 flated and somewhat solid. The anterior side is 

 produced, the posterior is subangular and obtuse. 

 The inferior margin is somewhat arched. The beaks are large, 

 inflated, and deeply eroded. The interior of the valves is violet. 

 The hinge margin is angular. The hinge is broad and strong. 

 The cardinal teeth are unusually remote from each other. The 

 stride are irregular, but not much raised. The epidermis is 

 blackish-brown without polish. The lunula is barely percepti- 

 ble. 



APRIL 1866. 17 Ann. Ltc. Nat. Hist. Vol. VIII. 



