Canaba 
department of jHtness 
Hon. CHARLES STEWART, Minister 
CHARLES C AMSELL, Deputy Minister 
Victoria jWemonal JWuSeum 
W. H. COLLINS, Acting Director 
Museum Bulletin No. 48 
BIOLOGICAL SERIES, No. 13 
NOV. 11, 1927 
A STUDY OF BUTEO BOREALIS, THE RED -TAILED 
HAWK, AND ITS VARIETIES IN CANADA 
OTTAWA 
F. A. ACLAND 
PRINTER TO THE KING’S MOST EXCELLENT MAJESTY 
1927 
Price , 25 cents 
No. 2133 
