SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 139, NUMBER 1 



Cfjarle* ®. anb Jfflarp 'Vaux ®Halcott 

 &e£earcf) Jf imb 



THE OLDEST KNOWN REPTILE, 

 EOSAURAVUS COPEI WILLISTON 



(With 1 Plate) 



By 



FRANK E. PEABODY 



Department of Zoology 



University of California 



Los Angeles, Calif. 



(Publication 4377) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



May 7, 1959 



SMITHSONIAN u.v - 

 INSTITUTION WAY 7 



