Notes on Species of Corbiculadce. 



73 



violet under-surface. The interior is violet. The hinge is 

 strong and rounded. The striae are raised, very regular, but 

 not very close. The epidermis is somewhat polished and of a 

 pale greenish-brown color. 



In shape and in inflation this species comes near the type 

 form of Corbicula Cumingii • the beaks are, however, more 

 obtuse, the hinge is broader and stronger, the striae are closer, 

 more regular and more raised, and the coloring is different. 



It gives me much pleasure to dedicate this species to the able 

 editor of the Journal de Conchyliologie. 



19. CorMcisSa vemistula, nov. spec. 

 C. testa ovato-transversa, aequilaterali, solidiuscula, inflata ; latere 



Fig. 21. 



antico rotundato, postico angustiore, obtuso ; urabo- 

 nibus parvolis ; cardine incrassato, rotundato ; valvis 

 intus pallide violaceis ; sulcis tumidis, regularibus ; 

 epidermide nitidissima, viridi-flavescente vestita ; lu- 

 nula ovato-lanceolata, flava. 



Long. 22; lat. 18 ; diam. 12 mill. 



Hab. — Manilla. Collect. Wheatley et Prime. 



The shell is transversely-oval, solid, inflated, 

 and equilateral. The anterior side is rounded, 

 the posterior side is somewhat narrower and is 

 obtuse. The hinge is strong and rounded. 

 The beaks are small. The lateral teeth are somewhat short. 

 The interior is highly polished and violet, but very variable in 

 shade, the teeth and the extreme edge of the margins being 

 very much lighter. The striae are regular and prominent. 

 The epidermis is greenish-yellow and polished. The lunula is 

 yellow and very distinct. 



This species recalls at first sight the Corbicula gracilis from 

 Java, but on examination it is found to be very different. The 

 Corbicula venustula- is much less spherical and more trans- 



Corbicula venustula. 



JUNE, ISO!. 



6 



Axn. Lyc. Nat. Hist. Vol. VIII. 



