428 FOSSIL OSTREID^ OF NORTH AMERICA. 



PLATE LXXXI. 



Fig. 1. — View of inner surface of the right valve of an elongated specimen of Ostrea 

 Dirjinica, known as the raccoon, "coon," or "cat's tongue" oyster among oystermen, 

 natural size. 



Fig. 2. — Both valves of the foregoing specimen place, with the outer surface of the 

 right valve facing the observer. 



