“In the adult male in spring plumage the general color of the upper parts is ochraceous brown, each feather having a transverse terminal crescent-shaped black band; most of the feathers have pale shafts and a more or less distinct ochraceous transverse subterminal band, very conspicuous on the head and neck; lores grayish white; no trace of eye-stripe; wing-coverts and innermost secondaries shading from dark olive-brown on the inside webs to ochraceous brown on the outside webs, but, with the exception of the primary-coverts, wanting the black terminal bands; quills brown, the outside webs ochraceous brown; four central and terminal portion on two outside tail-feathers on each side ochraceous brown, the remaining three on each side very dark olive-brown; five outside tail-feathers on each side more or less distinctly tipped with white, and all more or less obscurely barred; under parts white, with a more or less distinct tinge of ochraceous on the breast, each feather with a transverse terminal crescent-shaped black band, nearly obsolete on the chin, center of belly, and under tail-coverts; axillars, basal half white, terminal half black; under wing-coverts, basal portion black, terminal portion white; basal half of inner web of secondaries and basal portion of many of the primaries pale buff. Bill dark brown above, basal half of under mandible pale yellowish brown. Wing with the third and fourth primaries nearly equal and longest, second primary between the fourth and fifth; bastard primary, 26.6 to 23 mm. Legs, feet, and claws pale yellowish brown. Length of wing, 162.5 to 150; tail, 114 to 105; culmen, 33 to 28; tarsus, 35.5 to 33.

“It is not known that there is any difference in the color of the plumage of the sexes, or in consequence of the autumn molt. Birds of the year and young in first plumage are unknown.” (Seebohm.)

Genus PETROPHILA Swainson, 1837.

Rictal bristles weak, less than bill from nostril; first primary slender, equal to primary-coverts; outer webs of third, fourth, and fifth primaries sinuate; tarsus little longer than middle toe with claw; tail three times the tarsus. Males largely blue and chestnut; females dull gray or brown, barred with blackish brown; under parts washed with ocherous buff.

538. PETROPHILA MANILLENSIS (J. R. Forster).
EASTERN ROCK THRUSH.

Sol-i-tá-ri-o, in general use; yu-ta-yú-ta, Siquijor.

Agutaya (McGregor); Balabac (Steere Exp., Everett); Basilan (Steere Exp.); Batan (McGregor); Cagayancillo (McGregor); Calamianes (Bourns & Worcester, McGregor); Calayan (McGregor); Cuyo (McGregor); Guimaras (Meyer, Steere Exp.); Leyte (Everett, Steere Exp.); Lubang (McGregor); Luzon (Meyer, Everett, Schmacker, Steere Exp., Bourns & Worcester, Whitehead, McGregor, Bartsch); Masbate (Bourns & Worcester); Mindanao (Everett, Steere Exp., Goodfellow); Mindoro (Schmacker, Bourns & Worcester, McGregor); Negros (Layard, Bourns & Worcester, Whitehead, Keay); Palawan (Everett, Whitehead, Platen, Bourns & Worcester, White); Panaon (Everett); Panay (Steere, Steere Exp.); Polillo (McGregor); Romblon (Bourns & Worcester); Sibay (McGregor & Worcester); Sibuyan (Bourns & Worcester); Siquijor (Bourns & Worcester, Celestino); Sulu (Bourns & Worcester); Tablas (Bourns & Worcester); Tawi Tawi (Bourns & Worcester); Ticao (McGregor); Verde (McGregor); Y’Ami (McGregor). Japan and eastern Siberia; in winter to southern China, Burmese Provinces, and Malay Archipelago.

Male.—Upper parts, sides of head and neck, chin, throat, and chest blue, this color much obscured by gray, brown, and blackish tips to the feathers; lower breast, abdomen, crissum, and thighs deep chestnut, obscured by whitish tips and blackish subterminal bars; axillars and wing-lining chestnut; wings and tail black, the feathers edged with blue and tipped with white. Length, about 215; wing, 125; tail, 81; culmen from base, 21; bill from nostril, 14; tarsus, 27.5. This plumage is the one usually found in winter birds in the Philippines. “At the end of winter the white fringes and subterminal black bars on the blue parts of the plumage are entirely lost, and the marks on the chestnut parts are also removed by abrasion in great measure, but never entirely.” (Oates.)