202 MR. W. J. F. WILLIAMSON ON 



dull olive-green ; upper tail-coverts dark brown with olive-green edges ; 

 the four middle pairs of tail-feathers black, narrowly edged with pale 

 olivaceous, the two outer pairs white, xvith a varj-ing amount of dark 

 brown on the inner webs ; quills dark brown, margined with pale ful- 

 vous or greenish ; lores, cheeks and ear-coverts dark slaty black ; the 

 whole lower plumage yellow, tinged with ochraceous across the breast, 

 and with the dark bases of the feathers of that part showing through, 

 giving a mottled appearance. Male in sumiuef phnnaije. The fore- 

 head, crown, nape and hind neck d:irk slaty grey ; back and rump 

 yellowish green ; margins of the wing-feathera pale greenish yellow ; 

 whole lower [ilumage bright yellow, with the dark bases of the feathers 

 on the breast frequently showing through. Female in summer plu- 

 mage. The upper green parts duller than in the winter ; the crown 

 and napa browner, with a greenish tinge ; lores, cheeks and ear-coverts 

 brown, not black ; and a pale fulvous supercilium. 



Young birds have the entire nppar plumage brownish grey, 

 tinged with bluish on the rump ; upper tail coverts dark brown, edged 

 with grej' ; margins of wing-feathers whitish ; a white supercilium ; lores 

 and ear-coverts brown : lower plumage white, with a broad brownish 

 gorget across I he breast. 



Iris dark brown. Bill dark brown, with base of lower man- 

 dible yellowish or greenish. Legs and claws dark brown, soles paler. 



Distribution. Recorded, so far, only from Northern, Central and 

 Peninsular Siani. 



Habits, Ac. This is also a cold weather visitor, but it is much 

 commoner in Bangkok than the last species, ami I have obtained 

 specimens from November to May. It is to be found in the fields and 

 market gardens round Bangkok, and appears to be partial to moist 

 spots, or those in the vicinity of water. 



56 (839). Limonidromus iudicus (Gmel.). The Forest- 

 Wagtail. 



LimonidromHs irif/inis, Robinson and Kloss, Ibis 1911, p. 73 ; OyKl«n- 

 stolpe 1913, p. 42; id. 1916, p 32. 



Description. Length about 165 mm. (6.5 in.). Upper plumage 

 dull olive-green — the upper tail-coverts blackish; a supercilium from 

 the bill to the nape, the cheeks, chin, throat and all the lower plumage 



JOLKN. NAT. niST. SOC. SUM. 



