TRANSACTIONS 



OF THE 



AMERICAN PHILOSOPHICAL SOCIETY, 



HELD AT PHILADELPHIA, 



FOR PKOMOTING USEFUL KNOWLEDGE. 



VOL. XVII -NEW SERIES. 



PART I. 



Article i. — iJescnpiion oj a inkull of Megalonyx leidyi, n. sp. (with Jive lylates). By 



Josua Lindahl, Ph.D., . ........ 1 



Article II. — On the Homologies of the Posterij, •'"' Arches >'r' '?" ,/?. .///-.■' , i,,,;/?, r,,-,-. 



plates). By E. D. Cope, .... ■ 



Article III. — A Synopsis of the Species of the Te'id Genus Cnemidophorns (with eight 



plates). By E. D. Cope, .27 



^ In I a tl e I iJ U i a : 



PUBLISHED BY THE SOCIETY, 



AND FOR SALE BY 



The American Philosophical Society, Philadelphia ; 

 N. TRtJBNER & 00., 57 & 59 LUDGATE t-tttt T^^xM„,^ 



TRINTED TV \rAl TAT.T. V K illMPAN, , 



