



-rrj T^ e_- 



SMITHSONIAN MISCELLANEOUS COLLECTIONS. 





230 



C 



ARRANGEMENT 



OF THE 



FAMILIES OF MAMMALS. 



WITH ANALYTICAL TABLES. 



PREPARED FOR THE SMITHSONIAN INSTITUTION. 



BY 



THEODORE GILL, M.D., Ph.D. 





WASHINGTON: 



PUBLISHED BY THE SMITHSONIAN INSTITUTION. 



NOVEMBER, 1872. 



