Part 185

a1. Top of head olive-green, more or less streaked with ashy gray.

b1. Lower parts white, more or less streaked and washed with pale yellow.

c1. Chin and throat white, streaked with pale yellow. ... olivacea (p. 474) c2. Chin and throat uniform light yellow. ... cebuensis (p. 474)

b2. Lower parts nearly uniform greenish yellow.

c1. Smaller, wing and tail shorter; lower parts lighter yellow. ... nigrorum (p. 475) c2. Larger, wing and tail longer; lower parts darker yellow. ... mindanensis (p. 476)

a2. Top and sides of head chestnut. ... xanthopygia (p. 476)

437. CRYPTOLOPHA OLIVACEA (Moseley).

OLIVACEOUS FLYCATCHER WARBLER.

Abrornis olivacea Moseley, Ibis (1891), 47, pl. 2, fig. 2; Sharpe, Hand-List (1901), 3, 276; McGregor and Worcester, Hand-List (1906), 76. Cryptolopha olivacea Grant, Ibis (1896), 543; Whitehead, Ibis (1899), 110.

Bohol (McGregor); Leyte (Whitehead); Luzon (Whitehead); Mindanao (Bourns & Worcester, Celestino); Negros (Steere Exp., Bourns & Worcester, Whitehead); Samar (Steere Exp., Whitehead); Sulu (Bourns & Worcester); Tawi Tawi (Bourns & Worcester).

Adult, male and female.--Entire upper parts olive-green; top of head and neck streaked with ashy gray; lores dusky, surmounted by a line of light greenish yellow; eyelids bright yellow; postocular band dusky, surmounted by a narrow whitish line; cheeks and ear-coverts yellowish green, streaked with pale yellow; under parts whitish, streaked with pale yellow; flanks washed with light olive-green; feathers of thighs dusky, tipped with light yellow; under tail-coverts uniform light yellow; wing-feathers brown, edged with olive-green; edge of wing and axillars clear light yellow; rectrices olive-green, the inner webs of two outermost pairs edged with light yellow. A male from Bohol measures: Length, 127; wing, 60; tail, 52; culmen from base, 13; bill from nostril, 8; tarsus, 18. A female from Mindanao, wing, 52; tail, 42; culmen from base, 13; bill from nostril, 8; tarsus, 18.

"Young birds have the crown olive-green like the rest of the upper parts, the chin and throat pale yellow, and the outer webs of the outer primaries olive-green like the rest of the quills." (Grant.)

"Not uncommon; met with by us in several islands in company with flocks of Phylloscopus. Seven males from various localities average: Length, 121; wing, 59; tail, 49; culmen, 15; tarsus, 18; middle toe with claw, 15. Two females, length, 114; wing, 52; tail, 44; culmen, 15; tarsus, 17; middle toe with claw, 14. Iris dark brown to black; legs, feet, and nails light brown; upper mandible dark brown to black; lower mandible yellow." (Bourns and Worcester MS.)

438. CRYPTOLOPHA CEBUENSIS Dubois.

CEBU FLYCATCHER WARBLER.

Cryptolopha flavigularis (not of Austen), Bourns and Worcester, Minnesota Acad. Nat. Sci. Occ. Papers (1894), 1, 23. Cryptolopha cebuensis Dubois, Syn. Av. (1900), 286; Sharpe, Hand-List (1901), 3, 274; McGregor and Worcester, Hand-List (1906), 75.

Cebu (Bourns & Worcester, McGregor).

Adult (sexes alike).--Similar to Cryptolopha olivacea, but uniform olive-green above with no gray lines on head; lighter on rump and tail-coverts; chin and throat clear light yellow; cheeks and ear-coverts light greenish yellow; a band of olive-green from lores through eye to occiput, bordered above by a line of greenish yellow. Iris dark gray; upper mandible dark brown, lower mandible pale yellow; legs pale blue. Male: Length, 127; wing, 58; tail, 44; culmen from base, 14; bill from nostril, 9; tarsus, 19. Female: Wing, 54; tail, 45; culmen from base, 13; bill from nostril, 9; tarsus, 18.

"Only a single specimen collected, but it is so distinct from the allied forms that we have no hesitation in forming a species on the strength of it. Legs, feet, and nails very light brown; upper mandible dark brown, lower mandible light brown; breeding in Cebu in June." (Bourns and Worcester MS.)

439. CRYPTOLOPHA NIGRORUM Moseley.

GREEN FLYCATCHER WARBLER.

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.

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.

440. CRYPTOLOPHA MINDANENSIS Hartert.

MINDANAO FLYCATCHER WARBLER.

Cryptolopha mindanensis Hartert, Bull. Brit. Orn. Club (1903), 14, 12; McGregor and Worcester, Hand-List (1906), 76; Grant, Ibis (1906), 481.