﻿ECONOMIC SERIES No. 9. 



BRITISH MUSEUM (NATURAL HISTORY) 



BIRDS 



BENEFIQX4t: i :, 1 r EO 

 AGBICOT WfiE 



BY 



F. W. FROHAWK, M.B.O.U., F.E.S. 



WITH 22 PLATES 



LONDON 



PRINTED BY ORDER OF THE TRUSTEES 

 OF THE BRITISH MUSEUM 



1919 

 [Pkicb Two Shillings] 



