FIELD COLUMBIAN MUSEUM 



PUBLICATION 80. 

 ZOOLOGICAL SERIES. VOL. III., No. 13. 



DESCRIPTIONS 



OF 



APPARENTLY NEW SPECIES 

 OF MAMMALS 



OF 



THE GENERA HETEROMYS AND URSUS 

 FROM WASHINGTON AND MEXICO 



BY 



D. G. ELLIOT. F. R. S. E., 



Curator of the Department. 



CHICAGO, U. S. A. 



June, 1903. 



