SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 149, NUMBER 2 



Cfjarie* S. anb jfWarp Vaux OTaicott 

 Eeseard) 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 



