SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 139, NUMBER 1 



Cfcarle* 9. anb jffflarp ¥a«x Malcott 

 JUaearcfj jf tmb 



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 



