Canaba 
department of ifltnes 
Hon. CHARLES STEWART, Minister 
CHARLES CAMSELL, Deputy Minister 
■Victoria jflemorial Jffluseum 
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 
P. A. Taverner 
OTTAWA 
F. A. ACLAND 
PRINTER TO THE KING’S MOST EXCELLENT MAJESTY 
1927 
No. 2133 
