920. Acmonorhynchus vincens.
Prionochilus vincens, Sclater, F. Z. S. 1872, p. 729; id. Ibis, 1874, p. 2, pl. i, figs, i & ii; Hume, S. F. ii, p. 455, iv, p. 493; id. Cat. no. 240 ter ; Sharpe, Cat. B. M. x, p. 72. Pachyglossa vincens (Scl.), Legge, Birds Ceyl. p. 577, pl. 26.
Coloration. Male. Whole upper plumage and wing-coverts and sides of the head and neck very dark bluish ashy approaching to black; wings and tail glossy black, all the tail-feathers except the two median pairs broadly tipped with white and the quills with a broad band of white on the inner webs ; chin, throat, breast, and under tail-coverts white; remainder of lower plumage bright yellow ; under wing-coverts and axillaries white.
Female. Resembles the male, but the black of the upper plumage is replaced by greenish brown; wings and tail not quite so black.
Iris brownish red; bill black, leaden at base; legs and feet blackish (Legge).
Length about 4; tail 1.3; wing 2.35; tarsus .45; bill from gape .45.
Distribution. Ceylon only, in the forests of the low hills of the Southern Provinces.