137. 1. Cinclus Americanus, Swains. American Dipper.

Plate CCCLXX. Adult. Plate CCCCXXXV. Young.

A Synopsis of the Birds of North America — Part 77

Head and neck chocolate-brown, upper parts very deep bluish-grey, lower somewhat lighter, and tinged anteriorly with brown. Young with the upper parts deep bluish-grey, the head and hind neck slightly tinged with brown; lower parts lighter, the feathers margined with whitish, the throat with a slight tinge of brown.

A Synopsis of the Birds of North America — Part 77

Rocky Mountains. Oregon Territory. North California. Not abundant.

A Synopsis of the Birds of North America — Part 77

Cinclus Pallasii, Bonap. Amer. Orn. v. ii. p. 173.

Cinclus Americanus, American Dipper, Swains. & Rich. F. Bor. Amer. v. ii. p. 173.

Black Water-Ouzel or Dipper, Nutt. Man. v. ii. p. 358.

American Dipper, Cinclus Americanus, Aud. Orn. Biog. v. iv. p. 493; v. v. p. 303.

Bill of moderate length or longish, rather slender, straight or slightly arched, broader than high at the base, compressed toward the end, acute; upper mandible with the ridge rather narrow, the sides convex toward the end, the notches very slight, the tip narrow; lower mandible with the angle of moderate length, the dorsal line straight or slightly decurved toward the end, the sides nearly erect, the tip narrow. Nostrils oblong, partially concealed by the feathers. Head of ordinary size, ovato-oblong; neck of moderate length; body rather slender. Feet of ordinary length, slender; tarsus scarcely so long as the middle toe and claw; hind toe of moderate length, stout, lateral toes equal; claws moderate, arched, compressed, acute. Plumage soft and blended. Bristles rather long. Wings of ordinary length, broad, rounded, the first quill very small, the fourth and fifth longest. Tail very long, straight, much rounded, or graduated.

138. 1. Orpheus polyglottus, Linn. Grey Mocking-Bird.

Upper parts light grey tinged with yellowish-brown; feathers of the wings and tail greyish-black; primary coverts white, as are the primary quills in their proximal part; secondary coverts and first row of small coverts tipped with white; outer tail-feather white, as are the greater part of the next, and a portion of the third toward the end; lower parts greyish-white, on the breast tinged with brown, on the sides and under the tail with yellow. Female smaller, with the tints duller, and the white markings on the wings less extended.