862 
tail coverts white; abdomen, and the rest of the under parts, white, usually 
spotted with small, heart-shaped, rusty brown markings. Tail slate col- 
ored, with obscure brown bars; inner webs whitish; under side white. In- 
ferior wing coverts, white. Young, brown, mixed with yellowish on the 
upper parts, with white marks on the head and back of neck. ‘Tail brown, 
barred with fulvous. 
The female measures from twenty to twenty-one inches in length, the 
tail being ten inches. The male from fifteen to eighteen inches, with the 
tail from eight and a half to nine inches. 
IV. SuB-FAMILY AQUILINA, EAGLES. 
Generally of large size; tarsi of medium length, occasionally rather 
long; of great strength; toes long and strong; claws curved, sharp, and 
very strong; bill large, compressed; curved and sharp at point, straight 
at base. 
Genus AQquita—Mehring—EAGLeEs. 
Large; bill large, strong, compressed, and hooked at the tip; wings long, 
pointed, very strong; tarsi moderate, feathered to the base of the toes. 
Tail rather long, rounded or wedge-shaped; toes and claws long; the latter 
very sharp and curved. | 
AQUILA CHRYSAETOS—/inn—GOLDEN EAGLE. 
“ Adult female.—Wings long; the fourth quill longest, the third almost 
equal, the second considerably shorter, the first short; the first, second, 
third, fourth, fifth and sixth ab- 
ruptly cut out on the inner webs ; 
the secondaries long, broad and 
rounded. Tail rather long, ample, 
rounded, of twelve broad, rounded 
and acuminate feathers. Bull light 
bluish-gray at the base, black at 
the tip; cere and basal margins 
yellow. Eyebrows and margins 
of the eyelids light blue; iris chest- 
nut. Toes rich yellow; claws bluish-black. Fore part of the head, 
cheeks, throat, and under parts deep brown. Hind head, and posterior and 
ouisS “9 
d Ai 
Mitingill rare T ATR 
