202 



BULIvETlN 31 



202 



EXPLANATION OF PLATES 



Note. — Unless some statement is made to the contrary., it may be as- 

 sumed that the specimens from which these illustrations were made are now 

 deposited in the Paleontological Laboratory at Cornell University. 



Figure 



Ostrea alabamiensis Lea 



Adult from Claiborne, Ala. 

 rad, "(?. claibornensis Con. 



PLATE I 



Page 



X % . This is the form labelled by Con- 

 , in the Philadelphia Academy Collection. 



