U. S DEPARTMENT OF AGRICULTURE 



BIOLOGICAL SURVEY— BULLETIN No. 27 



C. HART MKKKIAM, Vluef 



THE 



l^ORTH AMERICAN EAGLES 



AND 



THEIR ECONOMIC RELATIONS 



BY 



HARRY C. OBERHOLSER 



ASSISTANT ORNITHOLOGIST, BIOLOGICAL SURVEY 



r. 





WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1 y (3 



