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TENTH SERIES. 

 Vol. IV. Xo. 2. 



APRIL, 1916. Frice 8s. net. i 



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T H E I B ItS^uLi9i. 





QUARTERLY J OUMAL OF ORNITHOLOGY. 



EDITKD BT 



WILLIAM LUTLEY SCLATER, M.A. 



PUBLISHED BY THE 

 BRITISH ORNITHOLOGISTS' UNION 



AND SOLD BT 



WILLIAM WESLEY & SON, 28 ESSEX STREET, STRAND, 

 LONDON, W.C. 



VAYLOR AND FRANCIS, PRINTERS,] 



[RED LION COURT, FLEET 8TREK'J'. 



