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MANUAL OF PHILIPPINE BIRDS. » 
555. ORTHOTOMUS MEARNS! McGregor. 
MEARNS’S TAILORBIRD. 
Orthotomus frontalis et Linn. Soc. 2d. ser. Zool. (1877), 1, 
336 (part) ; McGrecor and Worcester, Hand-List (1906), 88 (part). 
Orthotomus mearnsi McGrecor, Phil. Jour. Sci. (1907), 2, see. A, 289. 
Basilan (Steere, Everett, Steere Exp., Bourns & Worcester, McGregor). 
Adult.—Similar to Orthotomus frontalis, but the chestnut of fore- 
head 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; McGrecor and WoRcESTER, Hand- 
List (1906), 88. 
Orthotomus panayensis STEERE, List Bds. & Mams. Steere Exped. (1890), 20. 
Sa-gua-tt, Ticao; ta-gua-ti, Masbate and Bantayan. 
Bantayan (McGregor); Guimaras (Meyer, Steere Exp.); Masbate (Bourns 
¢& Worcester, McGregor); Negros (Hverett, Steere EHxup., Bourns & Worcester, 
Whitehead); Panay (Murray, Steere, Steere Exp., Bourns & Worcester); Ticao 
(McGregor). 
Adult.—Top of head from bill to neck, lores, a broad line under eye, 
and upper part of ear-coverts chestnut; back, rump, and tail-coverts 
slate-gray; the rump and tail-coverts green in some specimens; wing- 
feathers and rectrices edged with bright olive-green; tail with a dusky 
band near its tip; under parts white; throat and breast streaked with 
slate-gray ; sides and flanks more or less washed with ashy gray; thighs 
chestnut, flanks and crissum washed with green in some specimens. 
Length, about 150. A male from Bantayan measures: Wing, 57; tail, 
55; culmen from base, 20; bill from nostril, 12; tarsus, 23. A female, 
wing, 50; tail, 46; culmen from base, 18; tarsus, 22.- 
“Steere has attempted to separate the Panay tailorbird from that of 
Guimaras and Negros, but after a most careful examination of a large 
series of specimens from Panay, Negros, and Masbate we are compelled 
to say that there is not the slightest difference between the birds from 
the three islands. Their size is the same. ‘The wash of olive-green on 
the back, on which Doctor Steere relied to separate the Panay birds, is 
a variable character present in some birds, absent in others shot at the 
same season. It oceurs in birds from Negros and Masbate as well as — 
those from Panay. The presumptive evidence against finding one species 
