528 MANUAL OF PHILIPPINE BIRDS. 
readily recognizable as forming a second species of the genus Zosterornis 
by the shape of the nostrils and the peculiar ring of white feathers which 
surrounds the eye, as well as tl sence of rufous-brown or dark chest- 
nut on the wings so characteristic of the genus Mizornis. 
“The general color of the upper parts is dull olive, tinged with 
brownish on the upper tail-coverts: quills dark brown, edged on the 
outer web with olive, and on the inner with yellowish white. A marked 
ring of white plumes surrounds the eye; lores and fore part of cheeks 
whitish, tinged with yellow; a well-marked black eyebrow stripe from 
the nostril to the posterior margin of the orbit, and a second less distinct 
band below the eye ; hind cheek and ear-coverts dull olive like the crown; 
chin and throat uniform white, tinged with yellow and bordered on 
either side by a black malar stripe; rest of the under parts yellowish 
white, each feather with a wide black shaft-stripe; tail-feathers brown, 
margined with olive towards the edges of the outer webs. 
“Types of the species.—Male adult: Length, 140; wing, 60; tail, 52; 
tarsus, 18; culmen, 16. . Female adult: Length, 140; wing, 61; tail, 
52; tarsus, 18; culmen, 16.” (Grant.) 
The striped tree babbler is known only from the mountains of north- 
ern Luzon. 
506. ZOSTERORNIS WHITEHEADI Grant. 
WHITEHEAD’S TREE BABBLER, 
Zosterornis whiteheadi GRANT, Bull. Brit. Orn. Club (1894), 3, 40; Ibis 
(1894); 510, pl. 15, fig. 1; Wuirreneap, Ibis (1899), 222 (habits) ; 
SHARPE, Hand-List (1903), 4, 51; McGrecor and WorcESTER, Hand- 
List (1906), 82. 
Luzon (Whitehead, Worcester, McGregor). 
Adult (sexes alike).—Forehead, chin, entire side of head, and super- 
ciliary stripe cinnamon-rufous; a ring of white around eye; top of head 
dark gray ; remainder of upper parts dull olive-green ; under parts green- 
ish yellow; middle of abdomen lemon-yellow; wing- and _ tail-feathers 
brown, edged with olive-green ; inner webs of quills ocherous fawn ; wing- 
lining pale yellow. Iris brown; bill black; legs dull greenish ; nails light 
flesh-color. Length, about 155. A male measures: Wing, 66; tail, 59; 
culmen from base, 17; bill from nostril, 10; tarsus, 23. A female, wing, 
64; tail, 65; culmen from base, 17; bill from nostril, 10; tarsus, 22. 
Young.—Similar to the adult, but the colors duller and the gray of 
crown passing gradually into the olive of back; flanks and crissum 
washed with cinnamon. 
Whitehead’s tree babbler is very abundant in the vicinity of Baguio, 
Benguet Province, Luzon. 
