AMERICAN ROUGH-LEGGED HAWK. 
BLACK HAWK. 
ARCHIBUTEO LAGOPUS SANCTI-JOHANNIS. 
Cuar. General color variable, — dark or light brown, or brownish gray, 
sometimes black ; all the feathers edged with lighter color, producing an 
appearance of streaks. The absence of these streaks on the belly forms 
adark band. Tail with dark and light bars, and whitish at its base. 
Easily distinguished from any other Hawk by the feathered shank. Length 
193% to 22 inches. 
Vest. In a large tree, or on rocks; of sticks lined with grass, dry 
moss, and feathers. 
Eggs. 2-3; white or creamy, more or less spotted with brown; 1.90 
X 1.55. 
This remarkable species of Buzzard appears to take up its 
residence chiefly in the northern and western wilds of America. 
My friend Mr. Townsend found its nest on the banks of Bear 
River, west of the Rocky Mountains. The nest, formed of 
large sticks, was in a thick willow bush about ten feet from 
the ground, and contained two young almost fledged. It is 
