10 



PALLAS^ WILLOW-WARBLER. 



Phylloscopus proregulus, Dresser, Birds of Europe, vol. ix (Supplement), 

 pp. 73-77, pi. 650, fig. 2 (coloured figure of adult .male), 1895; 

 Lilford, Coloured Figures, vol. iii, p. 72, pi. -36. (coloured figure of 

 adult male), 1897; Saunders, Manual of British -Birds, 2nd Ed., pp. 

 63-64 (woodcut), 1897. 



German, GdldhdhncJien-Laub stinger. 



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 



