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SMITHSONIAN INSTITITTION , ,, 

 UNITED STATP:S NATIONAL iy?te,SE^M 

 Bulletin 56 T^-^ I 



\ \ 



MAMMALS OF T.HE MEXICAN BOUNDARY 

 OF THE UNITED STATES 



A DESCRIPTIVE CATALOGUE OF THE SPECIES OF MAM- 

 MALS OCCURRING IN THAT REGION; WITH A 

 GENERAL SUMMARY OF THE NATURAL 

 HISTORY, AND A LIST OF TREES 



EDGAR ALEXANDilR MEARNS, M. D. 



J\/ajor and Surgeon , I'. S. Anny 



PART I 



Families Didelplilida; to >'Iurid3E 



WASHINGTON 

 GOVERNMENT PRINTING OFFICE 



1907 



