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THE IBIS 



lUARTERLY JOURNAL OF ORNITHOLOGY. 



EDITED BY 



WILLIAM LUTLEY SCLATER, M.A., F.Z.S. 



VOL. IV. 1916. 

 TENTH SERIES. 



Delectasti me, Domine, in operibus mfinuum tuarum. 



PUBLISHED BY THE 

 BRITISH ORNITHOLOGISTS' UNION 



AND SOLD BY 



WILLIAM WESLEY & SON, 28 ESSEX STREET, STRAND, 



LONDON, W.C. 



1916. 



