417. Phylloscopus superciliosus.
The Crowned Willow-Warbler.
Motacilla superciliosa, Gm. Syst. Nat. i, p. 975 (1788). Reguloides modestus (Gould), Blyth, Cat. p. 184 (part.). Reguloides proregulus (Pall.), Horsf. & M. Cat. i, p. 342; Jerd. B. I. ii, p. 197. Reguloides superciliosus (Gm.), Brooks, S. F. vii, pp. 128, 236, 475, viii, p. 392; Hume, Cat. no. 565 ; id. S. F. xi, p. 222 ; Barnes, Birds Bom. p. 230. Phylloscopus superciliosus (Gm.), Anders. Yunnan Exp., Aves, p. 625; Seebohm, Cat. B. M. v, p. 68; Oates, B. B. i, p. 87.
The Crowned Tree- Warbler, Jerd.
Coloration, Upper plumage olive-green; a very indistinct and irregular coronal streak greenish grey ; a well-defined supercilium, reaching to the nape, pale greenish yellow ; the crown of the head darker than the other parts ; wings and wing-coverts dark brown, edged with yellowish green, the median and greater coverts with conspicuous yellowish tips, forming two distinct wing-bars; the quills tipped conspicuously with whitish ; tail brown, edged with yellowish green on the outer webs; lores and ear-coverts mixed brown and yellow ; lower plumage yellowish white ; axillaries and lower wing-coverts yellow. Before the seasonal moults, the plumage becomes very dull.
Upper mandible brown ; lower mandible yellowish white tipped with brown ; legs brownish flesh-colour; iris brown ; claws pale brown.
Length 4; tail 1.8; wing 2.1; tarsus .7; bill from gape .5; the second primary is generally intermediate in Length between the sixth and seventh; the first primary measures about .5 inch in Length.
Distribution. A common winter visitor to the eastern portion of the Empire, being found throughout Burma, Assam, and Bengal, to about the longitude of Mudhupnr on the E.I. Railway, where the next species commences to be observed. I have seen no specimen from the west of Mudhupur; but Butler records P. superciliosus from the Sahyddri range of hills in the Deccan, and terms it a cold weather visitant, implying by this, I consider, that it is not rare or exceptional. It is remarkable that it should occur in that part of India.