32 



BIVALVES CARDIUM. 



Locality. 



Scientific Name. Locality. Common Name. 



Ringeiis Africa Gaper Cockle ■ 



Oblongum ••••-<. Mediterranean Oblong do 



Papyraceum • • ■ • Indian ocean & Mediter. Paper do 



Fimbriatum ••• • Furbelowed do • 



Rnsticum Mediterranean Banded • ... do 



Islandicum Greenland Iceland do 



* Parvnm Coast of Hampshire • • • • Diminutive do 



Division III. — Siib-cordate, ohsoletely ribbed, striated or smooth. 



Family 1. — Obsoletely ribbed. 

 Laevigatum Britain, Mediterranean • • Smooth Cockle • • 



Family 2. — Lightly striated, approaching smooth. 



Lineatum East Indies Streaked Cockle 



Serratum W. Indies, Mediterranean Citron do • • 



Groenlandicum •• Greenland seas Greenland- do •• 



iEolicum Africa Janus do • . 



Rubrum Britain Red do • • 



