528 MANUAL OF PHILIPPINE BIllDS. 



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 the absence of rufous-brown or dark chest- 

 nut on the wings so characteristic of the genus Mixornis. 



"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, 

 53; tarsus, 18; culmen, 16." {Grant.) 



The striped tree babbler is known only from the mountains of north- 

 em Luzon. 



500. ZOSTERORNIS WHITEHEADI Grant. 



WHITEHEAD'S TREE BABBLER. 



Zosterornis whiteheadi Grant, Bull. Brit. Orn. Club (1894), 3, 40; Ibis 

 (1894); 510, pi. 15, fig. 1; Whitehead, Ibis (1899), 222 (habit's); 

 Shaepe, Hand-List (1903), 4, 51; McGregoe 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 u])per 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 fa\vn; 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. 



