Bulletin of the Museum of Comparative Zoology 

 AT HARVARD COLLEGE. 



Vol. XXXIX. No. 3. 



SOME carbonifp:rous cestraciont and acanthodiax 



SHARKS. 



Br C. R. Eastman. 



With Sevex Plates. 



CAMBRIDGE, MASS., U. S. A. : 



PRINTED FOR THE MUSEUM. 



June, 1902. 



