A 
SYNOPSIS 
OF THE 
ACCIPITRES 
(Diurnal Birds of Prey) 
Comprising Species and Subspecies described up to 1920, with 
their Characters and Distribution 
BY 
H. KIRKE SWANN, F.Z.S., M.B.O.U. 
Corresponding Fellow, Amer. Orn. Union. 
SECOND EDITION 
REVISED AND CORRECTED THROUGHOUT 
25985 ¥4 
LONDON : 4 
WHELDON & WESLEY, LTD., 
38, GREAT QUEEN STREET, KINGSWAY, W.C.2, AND 
28, Essex STREET, STRAND, W.C.2. 
1922, 
