EL VoT E m. H No. R l ES ' JANUARY, 1921. Price 12/6 net. 
THE IBIS, 
QUARTERLY JOURNAL OF ORNITIIOLO0Y. 
EDITED BY 
WILLIAM LUTLEY 
( JAN 26 |®i 
PUBLISHED BY THE 
BRITISH ORNITHOLOGISTS’ UNION 
AND SOLD BY 
WILLIAM WESLEY & SON, 28 ESSEX STREET, STRAND, 
LONDON, W.C. 2. 
(TAYLOR AND FRANCIS, PRINTERS,] 
[RED LION COURT, FLEET STREET, 
