THE niT?R^ OF BANGKOK 87 



Iris, brown. Bill, dark brown above, dusky yellow below. 

 Month, yellow. Legs, duskj^ flesh-colour to greenish yellow. 



Habits, etc. This bird is only found here in the cold weather, 

 and is fairly common in our gardens during that period. My speci- 

 mens were obtained from Noveniber to April. It flits and hops about 

 bushes and low trees, searching for small insects, and has a sharp little 

 note of cJuk, repeated at intervals. 



Distrihution. There appears to be no previous record of the 

 occurrence of this bird in Siam. 



+ 18 ( 417 ). Phylloscopus superciliosus. The Crovnied 

 Willow- Warbler. 



Description. Length, about 101 mm. ( 4 in. ). Upper plumage, 

 olive-green, darker on the crown ; a distinct greenish yellow super- 

 ciliam from the forehead to the nape ; two pale j^ellosv bars on the 

 wings, most of the quills of which have narrow whitish tips. Lower 

 plumage, whitish to yellowish white. 



The crown has an irregular and indistinct longitudinal streak of 

 greenish grey ( which, however, is not always visible ), from which 

 the bird derives its English name. 



Iris, brown. Bill, brown above, yellowish white below. i[outh, 

 yellow. Legs, brownish flesh-colour. 



Habits, etc. This small bird is a cold weather visitor, from 

 October to about January, and is fairly common in our gardens during 

 those months. It appears to frequent trees more than bushes, and 

 is always on the move, hunting for its small insect prey, which it 

 occasional 1 J' takes on the wing by a sudden dart of a few inches from 

 its perch. It continually jerks its wings, while flitting about the 

 branches, and has a pi-etty little note of tu-eet, ttreet, repeated several 

 times. 



Distribution.. Also recorded from Trang (Robinson and Kloss), 

 and Eastern and Northern 8iam ( Gyldenstolpe ). 



i^l9 (420). Acanthopneuste borealis. Hie Arctic 



Waioa'-Warhlcr. 



Description. Length, 122mm. (4.8 in.). Upper p'umag% 

 dark olive-green, lighter on the rump ; a well-defined yellowish white 

 supercilium reaching from the forehead to the nape ; two yellowish 



