ROUGH-LEGGED HAWK. 
347a. Archibuteo lag opus sancti-johannis : 21 inches. 
These are large, heavily built birds of prey, specially char¬ 
acterized by the completely feathered legs to the feet; in 
the normal plumage has a whitish head, neck, breast and tail, 
the former being streaked and the latter barred with blackish; 
remainder of upper and under parts, blackish brown. Eyes 
brown. In the dark phase they are blackish brown, more or 
less mixed with rusty, the tail remaining the same as in the 
light plumage. 
Nest. —Is made of sticks and smaller twigs, lined with 
leaves and moss, placed in trees or more often on ledges. 
They lay three or four bluish white eggs, boldly blotched with 
different shades of brown, oftener about the larger end (2.25 x 
1.75). 
FERRUGINOUS ROUGH-LEGGED HAWK. 
348. Archibuteo ferruginous. 23 inches. 
These are very much more of a reddish brown color than 
the last, on the back; head and breast is whiter, with fewer 
markings. Legs the same, feathered to the feet. It is much 
more abundant than the last and is a western bird wholly, 
breeding on the ledges, where its eggs are laid. 
Ill 
