156 TiivraLiiD^. 



Adult (^nraatrsi: Bock). General colour above dark olive-green, 

 the feathers streaked with white down the shafts, less distinctly on 

 the lower back and rump ; wing-coverts like the back, the lesser 

 and median series with white shaft- streaks ; greater wing-coverts 

 olive-greenish, not streaked with white ; quills deep brown, exter- 

 nally olive-green, a little brighter than the back ; tail-feathers dark 

 brown, edged with obscure olive-green, the outer ones with indica- 

 tions of a whity brown spot at the tip ; head dusky brown, darker 

 than the back, the feathers streaked with whitish shaft-lines, a little 

 more distinct on the forehead and over the eye ; lores duU white ; 

 ear-coverts dusky brown, thickly streaked with white ; cheeks 

 white, the feathers broadly margined with olive-green ; throat 

 white, washed with yellow ; fore neck and breast dark olive-green, 

 with central streaks of white ; the breast and flanks white, with 

 green edgings to the feathers ; lower abdomen white, faintly washed 

 with yellow ; under tail-coverts pale yellow, the feathers margined 

 with olive-brown ; thighs yellowish white, mottled with brown 

 bases to the feathers ; under wing-coverts white or pale yellow ; 

 quills deep brown below, white or yellowish white along the inner 

 web; "iris orange-yellow" (C. Bock). Total length 6-5 inches, 

 culmen 0-6, wing 3-3, tail 3-1, tarsus 0'65, (Mas. B. G. Wardlaw 

 Ramsay.) 



The White-streaked Bulbul is only known from the mountains 

 of Sumatra, to which it is confined. 



a. Ad. sk. Sumatra (C. Bock). Lieut. R. G. Wardlaw Ramsay. 



85. Pycnonotus tygus*. 



Brachypiis tygus, Bj). Consp. i. p. 262 (ex Mullcr, MS.). 

 Pycnonotus tygus, Gray, Hand-l. B. i. p. 271, no. 3966. 



Adult. General colour above dusky brown, with a wash of dark 

 olive-green ; rump ochraceous olive ; upper tail-coverts dull olive ; 

 tail-feathers brown, externally washed with olive ; wing-coverts 

 dark brown, very narrowly edged with yellowish olive ; quiUs dark 

 brown, externally edged with rather brighter olive-yellow, duller 

 on the inner secondaries ; head brown, over shaded with yellowish 

 olive ; above the eye a conspicuous bare space ; above the ear- 

 coverts a shade of ochraceous olive ; ear-coverts yellow, forming a 

 patch ; lores, feathers round the eye, cheeks, and throat white ; re- 

 mainder of under surface of body streaked, the feathers being olive- 

 brown with white longitudinal centres, the lower flanks iiniform 

 olive-brown, as also the thighs ; under tail-coverts ochraceous olive ; 

 under wing-coverts and axillai'ies white, the edge of the wing olive- 

 yellow ; quHls dusky brown below, white along the edge of the 

 inner web. Total length 5-8 inches, culmen 0-5, wing 2-8, tail 

 2-55, tarsus 0"6. 



The Small White-streaked Bulbul is only known from the island 

 of Sumatra. 

 a. Ad. sk. Sumatra. Pm-cliased. 



* Type examined in the Leiden Museum. 



