Part 226

b1. Chin, throat, and ear-coverts white, or gray streaked with white.

c1. Back bright olive-green.

d1. Chestnut of head confined to frontal and circumocular regions, not extending to occiput.

e1. Chestnut of forehead sharply defined posteriorly; crown gray. ... frontalis (p. 573) e2. Chestnut of forehead not sharply defined, but merging into dull olive-gray on crown ... mearnsi (p. 574)

d2. Chestnut of head covering the entire forehead, crown, and occiput. ... chloronotus (p. 575)

c2. Back gray.

d1. Outer webs of rectrices green ... castaneiceps (p. 574) d2. Outer webs of rectrices dull chestnut, gray basally.

e1. Wing-feathers edged with green; throat and breast white, streaked with gray ... derbianus (p. 575) e2. Wing-feathers edged with gray; throat and breast white. ... ruficeps (p. 576)

b2. Chin and ear-coverts, as well as forehead and crown, cinnamon-rufous. ... cineraceous (p. 576)

a2. Top of head smoky gray or black; throat black in the adult.

b1. Thighs green; middle of breast and of abdomen black or smoky gray.

c1. Ear-coverts white forming a conspicuous patch; top of head dark smoky gray cinereiceps (p. 577) c2. Ear-coverts black; top of head black; eyebrow and eye-circle white. ... nigriceps (p. 578)

b2. Thighs chestnut; entire breast and abdomen bright yellow. ... samarensis (p. 578)

554. ORTHOTOMUS FRONTALIS Sharpe.

SHARPE'S TAILORBIRD.

Orthotomus frontalis Sharpe, Ibis (1877), 112, pl. 2, fig. 1; Trans. Linn. Soc. 2d ser. Zool. (1877), 1, 336 (part); Cat. Birds Brit. Mus. (1883), 7, 220 (part); Hand-List (1903), 4, 192 (part); Whitehead, Ibis (1899), 219 (habits); McGregor and Worcester, Hand-List (1906), 88 (part).

Bohol (Everett, McGregor); Dinagat (Everett); Leyte (Steere Exp., Whitehead); Mindanao (Steere, Everett, Steere Exp., Bourns & Worcester, Goodfellow, Celestino, Clemens, Bartsch); Samar (Steere Exp., Bourns & Worcester, Whitehead).

Adult.--Forehead, lores, and ring around eye rufous-chestnut, sharply defined against the ashy gray crown; ear-coverts, sides of neck, and hind neck ashy gray like the crown; back, rump, tail-coverts, and edges of wing-feathers and of rectrices bright olive-green, the last with a dusky subterminal band; under parts white, more or less streaked with cinereous on throat and breast; sides ashy; flanks and under tail-coverts washed with light yellowish green; thighs chestnut. Length, about 115. A male from northern Mindanao measures: Wing, 44; tail, 35; culmen from base, 15; bill from nostril, 11; tarsus, 19. A female from Bohol, wing, 41; tail, 34; culmen from base, 16; bill from nostril, 11; tarsus, 19.

Specimens in fresh plumage have the occiput more or less washed with green; the dusky spots at end of tail are variable.

555. ORTHOTOMUS MEARNSI McGregor.

MEARNS'S TAILORBIRD.

Orthotomus frontalis Sharpe, Trans. Linn. Soc. 2d. ser. Zool. (1877), 1, 336 (part); McGregor and Worcester, Hand-List (1906), 88 (part). Orthotomus mearnsi McGregor, Phil. Jour. Sci. (1907), 2, sec. A, 289.

Basilan (Steere, Everett, Steere Exp., Bourns & Worcester, McGregor).

Adult.--Similar to Orthotomus frontalis, but the chestnut of forehead extending on crown to, or nearly to, posterior border of eye, not ending abruptly; the whole crown and nape slightly suffused with chestnut, the crown never clear slate-gray as in O. frontalis; behind eye the chestnut extends over the sides of nape. The type measures: Length, 114; wing, 47; tail, 45; culmen from base, 18; bill from nostril, 11.5; tarsus, 20. Female, wing, 47; tail, 40; bill from nostril, 11; tarsus, 20.

556. ORTHOTOMUS CASTANEICEPS Walden.

CHESTNUT-HEADED TAILORBIRD.

Orthotomus castaneiceps Walden, Ann. & Mag. Nat. Hist. (1872), 10, 252; Sharpe, Cat. Birds Brit. Mus. (1883), 7, 223; Hand-List (1903), 4, 192; Whitehead, Ibis (1899), 220; McGregor and Worcester, Hand-List (1906), 88. Orthotomus panayensis Steere, List Bds. & Mams. Steere Exped. (1890), 20.

Sa-gua-ti, Ticao; ta-gua-ti, Masbate and Bantayan.