U. S. DEPARTMENT OF AGRICULTURE 



■ DIVISION OF BIOLOGICAL SURVEY 



NORTH AMERICAN FAUNA 



■Mo. 3 3 



., [Actual date, of publication, (Jctober, 31, 1902] 



A BIOLOGICAL INVESTIGATION OF THE HUDSON BAY REGION 



; EDWARD A. PRE&LE 



ASSISTANT BIOLOGIST, BIOI_OGICAL SURVEY 



I'reparert undbr the direction of 

 Dr. C. HART MERRIAM 



CHIEF OF DIVISION OF BIOLOGICAL SURVEY 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 

 1902 



