1366. Arboricola mandellii.
The Red-breasted Hill-Partridge.
Arboricola mandellii, Hume, P. A. S. B. 1874, p. 106; id. Cat. no. 825 bis ; Hume & Marsh, dame B. ii, p. 83, pl.; Ogilvie Grant, Cat. B. M. xxii, p. 214; Wadde.lt, Gazetteer Sikhim, p. 230. Arboriphila mandellii, Hume, S. F. ii, p. 449 (1874), iii, p. 262, pl. i.
Coloration. Crown and nape dull chestnut, forehead and lores brighter; a dark grey superciliary band commencing above each eye and carried back to meet that from the opposite side behind the nape ; sides of head and neck, and collar on hind neck deep ferruginous with black spots ; upper parts olive, the feathers of the upper back slightly fringed with blackish ; lower back, rump, and upper tail-coverts with pointed, elongate, black spots; scapulars, tertiaries, and wing-coverts with chestnut edges and black subterminal spots, the latter smaller than in A. rufigularis : quills brown, outer webs of secondaries mottled with rufous; tail olive-brown ; chin and throat pale chestnut, followed by a white gorget with a black border behind; most of the breast deep chestnut; lower breast and abdomen slaty grey, whitish towards the vent: sides and flanks grey, the feathers with central white spots and chestnut edges; under tail-coverts olive, with white spots and tipped rufous. Sexes alike.
The colours of the soft parts have not been recorded.
Length about 11 ; tail 2.25; wing 5.5; tarsus 1.7; bill from gape .9.
Distribution. The lower hills of Sikhim and Bhutan from 1000 to 6000 feet above the sea. The first specimens obtained were from the Duars of Bhutan ; but the bird has since been pro¬cured in Sikhim by the original discoverer Mr. Mandelli and by Dr. Waddell.