ELEVENTH SERIES. 



Vol. IV. :So. 2. 



APRIL, 1922. 



I* rice 12/6 net. 



THE IBIS, 



QUARTERLY JdURNAL OK ORNITHOLOGY. 



EDITED Br 



WILLIAM LUTLEY SO 



PUBLISHED BY THE 

 BRITISH ORNITHOLOGISTS' UNION 



AND SOLD nv 



WHELDON & WESLEY, LTD., 28 ESSEX STREET STRAND 

 LONDON, W.C. 2. 



STAVLOK AMD FRA2CCIB. PRIMTEBS,] 



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