717. Tharrhaleus fulvescens.
The Brown Accentor.
Accentor fulvescens, Severtz. Turkest. Jevotn. pp. 66, 132 (1873); id. S. F. iii, p. 428; Biddulph, Ibis, 1881, p. 75 ; Scully, Ibis, 1881, p. 569; Biddulph, Ibis, 1882, p. 281, pl. viii; Sharpe, Cat. B. M. vii, p. 655. Accentor montanellus (Pall.), apud Scully, S. F. iv, p. 155; Hume, Cat. no. 655 bis.
Coloration. Forehead, crown, and nape uniform dark brown, or sometimes dark brown with the feathers edged paler; a broad supercilium white or buffy white; lores, ear-coverts, and under the eye dark brown ; back and scapulars ashy brown, sometimes tinged with fulvous, each feather with a broad dark brown streak; rump and upper tail-coverts plain ashy brown; wings and tail brown, edged with fulvous ; the wing-coverts and tertiaries tipped with buffy white ; lower plumage rich ochraceous buff, the flanks with a few darker streaks.
Bill black, brownish at base below; iris very dark brown; legs and feet fleshy; claws dusky, yellowish at tips (Scully).
Length about 6; tail 2.6; wing 3; tarsus .8 ; bill from gape .6.
T. montanellus, Pallas, from Lake Baikal and Amurland, differs from the present species in having the back and scapulars rich chestnut-brown, the feathers edged with pale ashy, and the breast-feathers with partially concealed black bases. In both species the colour of the supercilium is liable to variation from buff to white.
Distribution. Gilgit and Sikhim in winter only. Mandelli procured this species in the country north of Sikhim. It summers in Turkestan, Mongolia, and Southern Siberia.