FALCONING. 



Genus IV. BUTEO. BUZZARD. 



Bill, as in all the following genera, much shorter than 

 the head, compressed towards the end, its upper outline 

 sloping a little to the end of the cere, then curved in the 

 fourth of a circle, the edge with a distinct rounded fes- 

 toon, and a slight undulation behind it ; nostrils ellipti- 

 cal, oblique ; tarsi strong, feathered, or bare, in the latter 

 case with broad scutella before and behind ; wings long, 

 broad, rounded, the third or fourth quill longest. P. 126. 



HEAD OF BUTEO VULGARIS. 



1. B. vulgaris. Common Buzzard. — Tarsi bare ; plumage 

 deep brown, the lower parts variegated with white. P. 130. 



2. B. lagopus. Rough-legged Buzzard. — Tarsi feathered ; 

 plumage brown above ; tail white in its basal half. P. 141. 



