ZOSTERORNIS. ' 531 



^haft-stripes; lores, • ear-ooverts, and cheeks ashy with whitish shaft- 

 stripes; chin and throat chestnut, washed with light yellow; remainder 

 of under parts very pale yellow ; sides and flanks gray ; wings hrown, the 

 outer webs edged with lighter brown, inner webs edged with white: 

 rectrices brown, all but the middle pair tipped with white which in- 

 creases on each pair toward the outermost, the outer webs of which are 

 entirely white. A male from Mindanao measures: Length, 147; wing, 

 (i9 ; tail, 60 ; culmen from base, IG ; bill from nostril, 10 ; tarsus, 18. A 

 female, wing, 67; tail, 60; culmen from base, 15; bill from nostril, 9.5; 

 tarsus, 18.5. , 



''Not uncommon in the deep forest of Basilan, where it is usually 

 found in company with Macronous, Hypothymis, and other birds. Seven- 

 teen males average: Length, 143; wing, 67; tail, 61; culmen, 18; tarsus, 

 17; middle toe with claw, 10. Eleven females, length, 141; wing, 67: 

 tail, 60; tarsus. 18; middle toe with claw, 16; culmen, 16. Iris reddish 

 brown; legs and feet drab, with a greenish tinge; feet and nails yellow- 

 ish: bill almost black." (Bourns and Worcester MS.) 



51]. ZOSTERORNIS NIGROCAPITATUS (Steere). 

 BLACK-CROWNED TREE BABBLER. 

 ^Hxornis nigrocapitafus Steere. List Birds and ^Nrain-. Steero Expod. 



(isno). 17. 



Zosferor)iis nigrocapitntus Grant. Ibis ( 1897) . 2:^2: Wtiitehead, Ibis 



(1899), 223 (habits); 

 Zosterornis nigrocapitata Sharpe, Hand-List (1903), 4, 51; McGregor 



and Worcester, Hand-List (1906), 82 (part). 



Boliol {McGregor); Leyte (i^terre Eocp.. Whitehead ) : .Saniar [Hteere Exp., 

 liourns d- Worcester, Whitehead) . 



Adii/l {male and fcmtilr). — Forehead, lores, and crown black, on each 

 side behind eye a small patch of dark chestnut : remainder of upper parts 

 ashy gray with lighter shaft-stripes; tail-coverts -slightly olivaceous: 

 ear-coverts and sides of head and neck like the back; chin and throat clear 

 saffron-yellow, extending faintly onto fore breast ; a short stripe of dark 

 chestnut on each side of throat ; middle of lower breast and abdomen and 

 tail-coverts white; sides, flanks, and thighs gray; quills brown, externally 

 edged with dull olivaceous, internally with white; median and lesser 

 coverts like the back; rectrices brown, all but the middle pair tipped with 

 white which increases on each pair toward the outermost, the outer 

 webs of which are entirely white. Length, about 145. A male from 

 Bohol measures: Wing, 68; tail, 63; culmen from base, 14.5; bill from 

 nostril, 9 ; tarsus, 17. A female, wing, 65.5 : tail, 59 ; culmen from base. 

 15; bill from nostril, 9.5; tarsus, 17. 



"Professor Steere originally described this bird as a Mi.rornis, but the 

 stnicture of the nasal o])ening. as well as the shape of the wing, clearly 



