192. Arrenga blighi.
The Ceylon Arrenga.
Arrenga blighi, Holdsworth, P. Z. S. 1872, p. 444, pl. 19; Hume, S. F. vii, p. 378 ; id. Cat. no. 343 ter. Myiophoneus blighi (Holdsw.), Legge, Birds Ceyl. p. 463, pl. 20, figs. 1, 2; Sharpe, Cat. B. M. vii, p. 13.
Coloration. The adult male has entire head and neck black ; back, scapulars, breast, and abdomen dull blue; region of the vent brown; rump and upper tail-coverts russet-brown ; tail brown, edged on the outer webs with rufous ; lesser wing-coverts cobalt-blue; the other coverts and the quills dark brown, narrowly edged with bluish.
A younger male has the whole plumage ferruginous, lighter below, and the back and scapulars suffused with a tinge of blue; the upper tail-coverts brighter ferruginous; tail brown, edged with ferruginous ; lesser wing-coverts cobalt-blue as in the adult; the other coverts and the quills brown, edged with ferruginous.
The nestling, according to Holdsworth, is brown, darker on the upper surface and more rufous below; the feathers of the forehead, throat, and breast centred with yellow-brown an indication of blue on the carpal joint.
According to Legge the adult female is similar to the adult male, but has the wing-spot lighter in colour, and at the same time of a brighter tint than in the male.
Iris brown ; bill, legs, and feet black (Legge).
Length about 8; tail 3.1; wing 4.1; tarsus 1.4; bill from . gape 1.2.
There are only two skins of this rare bird in the British Museum. One is evidently an adult male, and the other apparently a young male with traces of blue appearing on the back and scapulars. Both birds are described above.
Distribution. Ceylon, where this bird is found in dense vegetation on the hills.