GT Ey 
TO THE 
GALLERY OF BIRDS 
IN THE 
DEPARTMENT OF ZOOLOGY, 
BRITISH MUSEUM (NATURAL HISTORY). 
Panta, 
General Series. 
SECOND EDITION. 
WihH 1 PLATE AND 7 TEXT-FIGURES: 
LON DON: 
PRINTED BY ORDER OF THE TRUSTEES 
OF THE BRITISH MUSEUM. 
1921. 
(All rights reserved.) 
