100 PHYLLOSCOPUS 



Talofka, Russ. 



(J ad. (Lake Baikal). Upper parts greyish brown tinged with pale 

 green, the rump yellowish green ; wings crossed by two yellowish white 

 bars ; superciliary stripe broad, yellowish ; under parts greyish white the 

 breast and flanks greyer and washed with yellowish; bill- brown the 

 lower mandible paler ; legs brown ; iris dark brown. Culm en 0'5, wing 

 2*7, tail 2'0, tarsus 0*8 inch ; 3rd and 4th primaries longest, 5th much shorten 

 bastard primary very small the exposed part measuring 0*32. In the 

 autumn the under parts are pale j-ellow the breast and flanks washed with 

 grey. Sexes alike. 



Hal. Northern Norway east through northern and eastern 

 Asia to Alaska, wintering in Burma, Tenasserim, and the 

 islands of the Malay Archipelago ; a migrant in Mongolia and 

 China ; has occurred in Heligoland. 



Frequents non-evergreen woods in dry elevated localities 

 generally in the vicinity of rivers or lakes, and feeds on insects 

 especially mosquitoes, and obtains its food largely amongst the 

 foliage in the treetops. Its call note is a single monotonous dzit, 

 occasionally a double note d-z zit, and its song resembles the 

 syllables tsi, tsi, tsi, tsi uttered in quick succession. It breeds in 

 June, its nest being semi-domed, constructed of moss and dry 

 grass, and lined with finer grass-bents, and is placed on the ground. 

 The eggs 5 or 6 in number are rather larger than those of 

 the Willow- Wren, white and profusely marked with small 

 pale pink spots. 



144. SWINHOE'S WILLOW- WARBLER. 

 PHYLLOSCOPUS XANTHODRYAS. 



Phylloscopus xanthodryas, Swinh, P.Z.S. p. 296, 1863 ; David and 

 Oust. Ois. Chine, p. 268 ; Seebohm, Cat. B. Br. Mus. v. p. 42 ; 

 Acanthopneuste lugubris, (Blyth), Pleske, Prjevalsky's Eeisen, 

 Vogel, ii. p. 111. 



ad. Upper parts olivaceous, yellower on the rump ; under parts 

 greenish yellow, greyer on the breast and flanks ; superciliary stripe well 

 defined ; upper wing-bar obscure and lower bar well defined, axillaries and 

 under wing-coverts pale yellow ; bill, legs, and iris brown. Culmen 0'54, 

 wing2'8, tail 2'0, tarsus 0'8 inch ; 1st primary O55 long, 2nd intermediate 

 between the 5th and 6th, 3rd and 4th longest. 



Hob. Kansu and the Upper Chuanche in Mongolia, and 

 Japan ; winters in Borneo. Abbe David says that it breeds at 

 Moupin in May but its nest and eggs are not known. 



