532 MANUAL OF PHILIPPINE BIRDS. 
shows that it is a species of Zosterornis, most nearly allied to Z. dennis- 
tount Grant from Luzon, Young birds have the top of the head brownish 
and the interscapular region d than in the adult, and both these 
parts have well-defined whitish shaft-stripes; the color of the chin and 
throat is also paler than in the adult, while the outer webs of the primary- 
quills are pale sandy. 
“(The black-headed babbler is common in Samar and Leyte, and fre- 
quents the higher branches of the undergrowth. Iris two-colored, having 
an outer ring of red and an inner one of pale yellow; bill black; legs dull 
lead-blue—J. W.)” (Grant.) 
“Fairly common in the deep forest of Samar. Never seen in any 
other locality by us. Seven males average: Length, 140; wing, 66; 
tail, 59; culmen, 17; tarsus, 17; middle toe with claw, 16. Five females, 
length, 139; wing, 67; tail, 57; culmen, 16; tarsus, 17; middle toe 
with claw, 16. Iris varies from hght brown to brick-red, in young 
birds it is dull yellow; legs and feet light olive-brown, often with a 
wash of yellow; nails brown to yellow; bill black. Breeding in July 
and August.” (Bourns and Worcester MS.) 
512. ZOSTERORNIS AFFINIS McGregor. 
RUFOUS-CHINNED TREE BABBLER, 
Zosterorms nigrocapitata McGrrGoR and WorcrsTER, Hand-List (1906), 
82, (part). 
Zosterornis affinis McGrecor, Phil. Journ. Sci. (1907), 2, see. A, 292. 
Luzon (Celestino). 
Male (type).—Forehead and crown black, the shafts obscurely whitish ; 
a small patch of chestnut behind each eye next to the black crown; 
general color above dull olive-gray, feathers of neck and mantle with 
conspicuous, narrow, whitish shaft-lines; rump uniform; a narrow ring 
around eye, ear-coverts, and cheeks gray with pale yellow shaft-lines; 
chin, throat, and fore breast pale lemon-yellow, the chin heavily washed 
with chestnut-rufous which becomes gradually less on throat and dis- 
appears on breast; middle of breast and abdomen very pale yellow, 
their sides gray, overlaid with a faint yellow wash; under tail-coverts 
pale yellow; wings blackish brown, outer edges of quills lighter and 
inner edges whitish; median and lesser coverts with hght shaft-lines ; 
upper tail-coverts dull olive-brown ; rectrices dark brown, except the outer- 
most feathers, their outer webs edged with olive-brown, all but the center 
pair tipped with white, increasing in extent toward the outermost feather 
which has its outer web almost entirely white. Length, 152; wing, 68; 
tail, 61; culmen from base, 17; bill from nostril, 10; tarsus, 19. 
This species is similar to 7. nigrocapitatus, but is slightly larger and 
