NEW SERIES. 

 Vol. II. No. 6. 



APRIL 1866. 



Frice Qs. 



TH E I B I S, 



QUARTERLY JOURNAL OF ORNITHOLOGY. 



EDITED BY 



ALFRED NEWTON, M.A., 



PROFESSOR OP ZOOLOGY AND COMPARATIVE ANATOMY 



IN THE UNI'^^RSITY OF CAMBRIDGE, 



F.L.S., F.Z.S., ETC., ETC. 



LONDON: 

 JOHN VAN VOORST, 1, PATERNOSTER ROW. 



Annual Subscription, payable before 31s« March 1866, £1 Is. 



^) TAYLOE AND FRANCIS, PRINTERS,] 



[ked lion court, fleet street. 



