224 Notes on Species of Corbiculadm. 



42. OorMcilla QllilOIiensis, Benson. 



Corbicula Quilonensis, Benson. 1860. 



C. testa minuta, trigona, cuneiforrai, compressiuscula, insequilaterali ; 

 latere antico breviore, rotundato, postico longiore, dilatato, 



Fig. 56. ....... 



angulato ; umbonibus brevibus ; striis distantibus ; epidermide 

 fusco-flavescente vestita ; cardine incrassato. 



nensis. Long. 9 ; lat. 7 ; diam. 4 mill. 



Hah. — Quilon, Madras, Indise. Collect. Benson, Wheatley, 

 et Prime. 



The shell is small, trigonal, inequilateral, and somewhat com- 

 pressed. The anterior side is shorter and rounded, the posterior 

 is longer, produced, and angular. The beaks are small. The 

 striae are distant. The epidermis is dark yellow. The hinge is 

 comparatively broad and strong. 



43. Corbicula Africana, Desbayes. 



Cyrena Africana, Krauss. Moll. Sud. Africa, 8, pi. 1, f. 8. 1848. 

 Cyrena Gauritziana, Krauss. in litt. 1848. 

 Corbicula Africana, Deshayes. Biv. Brit. Mas. 222. 1854. 



Prime Cat. 4. 1863. 



C. testa orbiculato-trigona, compressa, subaequilaterali, antice latiore 



Tig. 57. 



Corbicula Africana. 



obtusiore, dense et regulariter striata, olivaceoglaucescente nitida, intus 

 purpureo-violacea ; umbonibus minimis, gibbosulis ; cardine angusto. 



Long. 22 ; lat. 19 ; diam. 10 mill. 



