Bulletin of the Museum of Comparative Zoology 
AT HARVARD COLLEGE. 
WOL. xt. No, 3) 
SOME CARBONIFEROUS CESTRACIONT AND ACANTHODIAN 
SHARKS. 
By C. R. EastmMan. 
Wits SEVEN PLATEs. 
CAMBRIDGE, MASS, U.S. A.: 
PRINTED FOR THE MUSEUM. 
JUNE, 1902. 
