hf=f; ItlL 15 I! 



Paleontologieal Bulletin, No. 38. 



SYNOPSIS 



OF THE 



SPECIES OF 0BE0D0NTM. 



(Bead before the American Philosophical Society, January 18, I884.) 



ON THE 



STRUCTURE OF THE SKULL 



IN THE 



pus 



(Bead before the American Philosophical Society, March 7, I884.) 



BY 



PROF. E. D. COPE. 



FOR SALE BY 



_A__ IE. ZFOOTIE, 



No. 1223 BELMONT AVENUE, 

 PHILADELPHIA. 



