12. 1. Aquila Chrysaetos, Linn. Golden Eagle.

Plate CLXXXI. Female.

General colour of the plumage dark brown glossed with purple; occiput,

hind part and sides of the neck, light brownish-yellow; wing-coverts

light brown; primary quills brownish-black, secondary with the coverts

brown, those next the body more or less mottled with brownish-white,

excepting at the ends; tail dark brown, lighter towards the base, with

a few irregular whitish markings; feathers of the legs and tarsi, and

lower tail-coverts, light yellowish-brown. Young with the basal

three-fourths of the tail white.

_Male_, 32, 70. _Female_, 38, 84.

From Pennsylvania northward. Never seen far in the interior. Resident.

Falco fulvus, Bonap. Syn. p. 25.

Aquila Chrysaetos, Golden Eagle, Swains. & Rich. F. Bor. Amer.

v. ii. p. 12.

Ring-tailed Eagle, Falco fulvus, Wils. Amer. Ornith. v. vii.

p. 13.

Royal or Golden Eagle, Nutt. Man. v. i. p. 62.

Golden Eagle, Falco Chrysaetos, Aud. Ornith. Biog. v. ii. p.

464.

GENUS IV. HALIAETUS, Savigny. SEA-EAGLE.

Bill rather short, very deep, compressed; upper mandible with the

dorsal outline nearly straight at the base, beyond the cere decurved,

the sides sloping, the edges nearly straight, with a slight obtuse

process, and a shallow sinus close to the strong trigonal tip; lower

mandible, with the dorsal outline slightly convex, the tip obliquely

truncate. Head large, oblong, flattened above. Nostrils oblong,

oblique, near the ridge. Neck of moderate length. Body very large.

Feet rather short, very robust; tarsi roundish, covered anteriorly

with the transverse scutella, posteriorly with large, laterally with

small scales; toes robust, free, scutellate above; claws large,

curved, rounded, flat beneath, acuminate. Plumage compact, imbricated;

feathers of the head and neck narrow and pointed; space between the

bill and eye barish, being sparsely covered with bristle-like

feathers, disposed in a radiating manner. Wings long, the second and

third quills longest, the outer five cut out abruptly on the inner

web. Tail rather long, rounded. Duodenum convoluted.

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