46 BIVALVES — VENUS, 



Division V.—Shells sub-oval, and slightly angulated on the ante- 

 7'ior side. 



Family \.— Smooth or striated. 



Scientific Name. Locality, Common Name, 



Gigantea Florida, Antigua Gigantic Venus 



Literata Amboyna Lettered • • do 



Geographica • • • • Mediterranean Geogi-apliic do 



Rotundata Indian Ocean, Ceylon •• Rounded- -do 



Undulata East Indies, Mediterra- 

 nean, Red Sea Undulated • do 



Obsolcta Mediterranean Obsolete • do 



Decussata Indian Ocean, Great Bri- 

 tain, Mediterranean •• Intersected- do 



Senegalensis • - • Senegal Senegal • • • do 



Perforans -•'• •- Plymouth, in limestone- • Piercing •• do 



Virginea East and West Indies, 



Great Britain, Adriatic Virgin - • • • do 



Aurea Great Britain Golden • - • do 



* Palustris • Ditto do 



Monstrosa Nicobar Isles Distorted- • do 



Family II. — Foliated. 

 Agaracoides New Holland Mushroom • • do 



