us 



-ft Pal SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 149, NUMBER 2 



CfjarleS B. anb JWarp Uaux ®5Haicott 

 &egearcf) Jf unb 



A STUDY OF THE EARLY TERTIARY 



CONDYLARTHRAN MAMMAL 



MENISCOTHERIUM 



(With 11 Plates) 



By 

 C. LEWIS GAZIN 



Curator, Division of Vertebrate Paleontology 

 U. S. National Museum 

 Smithsonian Institution 



(Publication 4605) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



MAY 10, 1965 



