FOURTH SERIES. 
Yol. IL No. 6. 
APRIL 1878. 
JPrice 6s. 
THE IBIS, 
A 
QUARTERLY JOURNAL OP ORNITHOLOGY. 
EDITED BY 
OSBERT SALVIN, M.A., F.R.S., 
STEICKLANH CUEATOE 121 THE U2fIVEESITT OF CAMBEIDGE, &c. 
AND 
PHILIP LUTLEY SCLATER, M.A., Ph.D., F.R.S., 
SECEETAET TO THE ZOOLOG-ICAL SOCIETY OF LONDON. 
LONDON: 
JOHN YAN YOORST, 1, PATERNOSTER ROW. 
Annual Subscription, payable before 31s^ March each year, .£1 Is. 
>TAYLOR AND FRANCIS, PRINTERS,] 
[red lion court, fleet STREET, 
