CARDITA.— Plate II. 



brown ; ribs sixteen or seventeen in number, an- 

 gular in the middle, a little scaly ; interior white, 

 blackish-brown posteriorly. 



Reeve, Pro. Zool. Soc, 1843. 



Hub. Island of Guimaras, Philippines (found under 

 stones at low water) ; Cuming. 



There is a peculiarity in the shape and blotching ( 

 this shell which entitles it to be distinguished as a ne^ 

 species. Several specimens were collected by Mi 

 Cuming at the above-mentioned island, singularly agree 

 ing in respect to these characters. 



