PART IV.— MAY 20, 1922. PRICE 6/- 



A 



SYNOPSIS 



OF THE 



ACCIPITRES 



(Diurnal Birds of Prey) 



PART IV. 



(MiCROHIERAX TO PaNDIOn) 



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. Orit. Union. 



SECOND EDITION 



REVISED AND CORRECTED THROUGHOUT 



LONDON : 



WHELDON & WESLEY, LTD., 



38, Great Queen Street, Kingsway, W.C.2, and 



28, Essex Street, Strand, W.C.2. 



1922. 



