Cryptolopha nigrorum Moseley, Ibis (1891), 47, pl. 2, fig. 1;
Whitehead, Ibis (1899), 110 (habits).
Abrornis nigrorum Sharpe, Hand-List (1901), 3, 276; McGregor and
Worcester, Hand-List (1906), 76. [62]
Luzon (Whitehead, McGregor); Mindoro (Whitehead); Negros (Steere
Exp., Whitehead).
Adult (sexes alike).--Above dull olive-green, darkest on crown,
lightest on rump and tail-coverts; wings and tail brown, the feathers
edged with olive-green; two outermost pairs of rectrices edged with
white on inner webs; greater coverts tipped with greenish yellow
forming a bar; lores and post-ocular band dark brown, surmounted
by a greenish yellow line; cheeks and ear-coverts greenish yellow;
below nearly uniform greenish yellow or light olive-green, lightest
on abdomen and crissum; feathers of throat and breast with white
shafts. Length of a male from Benguet Province, Luzon, 114; wing,
57; tail, 40; culmen from base, 11; bill from nostril, 7; tarsus,
20. Female, wing, 52; tail, 37; culmen from base, 11; tarsus, 19.
Young.--An immature bird has the upper parts slightly duller and
the line over the eye much paler than the adult; throat and breast
very pale yellow; abdomen and crissum light yellow; the sides more
dusky than the center of breast and abdomen; pale yellow tips of
wing-coverts well-marked.