258 THE COASTAL PLAIN OF NORTH CAROLINA.

Arca scalarina Heilprin.
Astarte concentrica Conrad.
Bornia triangula Dall.
Callocardia sayana Conrad.
Cardita arata Conrad.
Oardium oedalium Dall.
Cardium robustum Solander.
Cardium sublineatum Conrad.
Chama congregata Conrad.
Chione cribraria Conrad.
Chione grus Holmes. —
Corbula barratiana C. B. Adams.
Corbula contracta Say.

- Corbula inaequalis Say.

Crassatellites irate Tuomey &

‘Crassatellites fhunalasus Conrad.

— acelinis Conrad.

al

 

Glycymeris pectinata Gmelin.
Leda acuta Conrad,

Macrocallista nimbosa Solander.

Mulinia congesta Conrad.
Mulinia lateralis Say.
Mytilus hamatus Say. :
Ostrea percrassa Conrad.
Ostrea sculpturata Conrad.
Ostrea virginica Gmelin.
Panopea reflexa Say.

Pecten eboreus Conrad.
Phacoides amiantus Dall.
Phacoides anodonta Say.
Phacoides crenulatus Conrad.
Phacoides radians Conrad.
Phacoides trisulcatus Conrad.
Phacoides tuomeyi Dall.
Plicatula marginata Say.
Rangia clathrodonta Conrad.
Strigilla flexuosa Say.
Tagelus gibbus Spangler.