Page:The British Warblers A History with Problems of Their Lives - 3 of 9.djvu/69

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PALLAS'S WILLOW-WARBLER.

Phylloscopus proregulus, Dresser, Birds of Europe, vol. ix (Supplement), pp. 73-77, pl. 650, fig. 2 (coloured figure of adult .male), 1895; Lilford, Coloured Figures, vol. iii, p. 72, pl. 36. (coloured figure of adult male), 1897; Saunders, Manual of British Birds, 2nd Ed., pp. 63-64 (woodcut), 1897.

German, Goldhähnchen-Laubsänger.

DESCRIPTION OF THE PLUMAGE.

Adult Male in Spring.—The upper parts are greyish green washed with yellowish green. The rump is sulphur yellow, the upper tail-coverts the same colour as the back, and the upper surface of the tail greyish brown. The outer edge of the outermost tail-feather is light brownish grey, and the outer edge of the remaining tail-feathers the same colour as the back, though slightly more yellow. The crown has a some-what indistinct yellowish white stripe in the centre extending to the nape, and a conspicuous chrome yellow superciliary stripe commences at the forehead and extends behind the eye. The lores are dark greyish green, and the cheeks and. sides of the neck grey washed with whitish yellow. The wing is ash brown, the least and medium coverts greenish grey, the latter being tipped with white; the primary coverts are ash brown edged with greenish yellow, and the secondary coverts ash grey edged with greenish grey and tipped with yellowish white; the wing has thus two distinct white stripes across it. The flight-feathers are ashy brown edged with greyish green, the

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