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DIG MANUAL OF PHILIPPINE BIRDS. 
Young.—The immature bird resembles the corresponding plumage in 
O. nigriceps, having more or less white on the chin and throat. 
“Very common in Basilan. @@#&ht from Basilan measure: Length, 
126; wing, 47; tail, 76; culmen, 18.5; tarsus, 21; middle toe with claw, 
17.5. Six females, length, 111; wing, 45; tail, 41; tarsus, 19.5; middle 
toe with claw, 16. Iris brown; legs, feet, and nails very light brown, 
in some cases almost white; upper mandible nearly white, lower very 
light brown. Breeding in Basilan in August.” (Bourns and Worcester 
MS.) 
562. ORTHOTOMUS NIGRICEPS Tweeddale. 
BLACK-HEADED TAILORBIRD. 
Orthotomus nigriceps TWEEDDALE, Proc. Zool. Soc. (1877), 828, pl. 85; 
SHARPE, Cat. Birds Brit. Mus. (1883), 7, 222; Hand-List (1903), 4, 
192; McGrecor and WorceEsTER, Hand-List (1906), 88. 
Mindanao (Hverett, Celestino). 
Adult.—Loral feathers white with black tips; ring around eye and 
superciliary stripe to above ear-coverts white; remainder of head, hind 
neck, sides of neck, chin, throat, and chest black; back, rump, and tail- 
coverts olive-green ; wing-feathers blackish, edged with green, brighter and 
more yellow on greater coverts and bend of wing; rectrices brown, edged 
with green; middle of breast and abdomen smoky gray; sides, flanks, 
thighs, and crissum olive-green. Length, about 125. A male from 
northern Mindanao measures: Wing, 46; tail, 45; culmen from base, 16; 
bill from nostril, 11; tarsus, 22. 
Young.—In immature birds the cheeks, chin, throat, and breast are 
white. 
563. ORTHOTOMUS SAMARENSIS Steere. 
YELLOW-BREASTED TAILORBIRD, 
Orthotomus samarensis STEERE, List Birds & Mams. Steere Exped. (1890), 
20; GRANT, Ibis (1897), 228; WHITEHEAD, Ibis (1899), 220 (habits) ; 
SHARPE, Hand-List (1903), 4, 192; McGrecor and WoRrcESTER, Hand- 
List (1906), 88. 
Bohol (McGregor) ; Leyte (Whitehead) ; Samar (Steere Hap., Bourns € Wor- 
cester, Whitehead) . 
Adult male.—Entire head, neck, chin, throat, and middle of fore breast 
black; back and rump dull olive-green brighter around the neck; rump 
and tail-coverts dull russet-brown; wing-feathers blackish, edged with 
olive-green, the bend of wing and tips of greater median coverts yellow; 
rectrices brown, edged with russet; breast, sides of breast, and of neck, 
and abdomen lemon-yellow becoming olivaceous on sides, flanks, and 
crissum ; thighs dull chestnut. The black of fore breast is sharply defined 
against the yellow, and does not extend over the sides of the chest as 
