Notes on Species of Corbiculadce. 89 



umbonibus tumidis, parvis, acutis, obliquis, incurvis, approximatis ; liga- 

 mento elongato, partim in fosso ; epidermide viridi-fuscescente vestita ; 



Fkj. 37. 



Cyrena cyprinfeformis. 



cardine incrassato ; dentibus cardinalibus elongatis, majoribus apice pro- 

 funde furcatis, lateralibus brevibus. 



Long, 94 ; lat. 85 ; diam. 58 mill. 



Sab. — Australia Septentrionalis. Collect. Cuming et Prime. 



The shell is large, solid, transverse, oval-subtrigonal, subor- 

 bicular, inequilateral, and ventricose in the centre of the discs. 

 The anterior side is short and rounded, the posterior side is nar- 

 rower and subtruncated. The beaks are inflated, but small, 

 acute and oblique ; they curve inwardly and are approximate. 



JUNE, 1861 7 Ann. Lyc. Nat. Hist. Vol. VIII. 



