^f?^LO^Z 



THE IBIS, 



QUARTERLY JOURNAL OF ORNITHOLOGY. 



EDITED BY 



PHILIP LUTLEY SCLATER, M.A., Ph.D., F.R.S., 



SECRETARY TO THE ZOOLOGICAL SOCIETY OP LONDON. 



VOL. II. 1890. 

 SIXTH SERIES. 



Cognovi omnia volatilia coeli. 



LONDON: 



GURNEY AND JACKSON, 1 PATERNOSTER ROW. 



(Successors to J. VAN VOORST.) 



1890. 



