THE IBIS, 



A MAGAZINE OF GENERAL OENITHOLOGY. 



EDITED BY 



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



LATE FELLOW OF CORPUS CHUISTI COLLEGE, OXFORD; 



SECRETARY TO THE ZOOLOGICAL SOCIETY OF LONDON ; 



FKLLOW OF THE LINNEAN SOCIETY ; HONOEAEY MEMBER OF THE ACADEMT OF NATURAL 



SCIENCES OF PHILADELPHIA, OF THE LYCEUM OF NATURAL HISTORY OF NEW YORK, 



AND OF THE GERMAN ORNITHOLOGISTS' SOCIETY ; ETC. 



VOL. VI. 1864. 



Ibimus iudomiti venerantes Ibida sacram, 

 Ibimus incoliimes qua prior Ibis adest." 



LONDON: 

 TRUBNER AND CO., PATERNOSTER ROW 



Paris. 

 Fr. Klincksieck, 

 11, Eiie de Lille. 



Lcip-ig. 

 F. A. Brockuaus. 



1864.. 



