!' TENTH SERIES. 

 I Vol. V. No. 4. 



OCTOBER, 1917. 



Frice 85. net. 



THE IBIS, 



aUARTERLY JOURNAL OF ORNITHOLOGY. 



EDITED Br 



WILLIAM LUTLEY SCLATER, M.A. 



fS^ 



PUBLISHED BY THE 

 BRITISH ORNITHOLOGISTS' UNION 



AND SOLD I?T 



WILLIAM WESLEY & SON, 28 ESSEX STREET, STRAND, 

 LONDON, W.C. 2. 



lAVLOR AND FRANCIS. PP.IIfTKRS,] 



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