Bill straight, very slightly expanded at tip; culmen less than tarsus and equal to middle toe without claw. 117. HETEROPYGIA AURITA (Latham). SHARP-TAILED SANDPIPER. Tringa aurita Latham, Ind. Orn. Suppl. (1801), 66. Totanus acuminatus Horsfield, Trans. Linn. Soc. (1821), 13, 192. Heteropygia acuminata Sharpe, Cat. Birds Brit. Mus. (1896), 24, 566; Hand-List (1899), 1, 163; McGregor and Worcester, Hand-List (1906), 28. Pisobia aurita A. O. U. Committee, Auk (1908), 25, 366. Batan N. (McGregor); Luzon (Celestino); Mindanao (Everett). Alaska, eastern Siberia, and China, south in winter to Australia and New Zealand. "Adult male in breeding plumage.--General color above sandy rufous, streaked with black down the center of the feathers, these black centers being very much more distinct on the scapulars and inner secondaries, where the rufous margins are very bright; lower back, rump, and upper tail-coverts dusky black, the lateral tail-coverts sandy rufous barred with black; lesser wing-coverts dull brown; median coverts brown; with blackish centers and ashy fulvous margins; greater coverts uniform dusky brown with white tips; alula uniform brown; primary-coverts blackish, the inner ones tipped with white; quills brown, dusky blackish at tips and along outer webs, the shafts for the most part white, brown toward the bases; secondaries brown, with a little white at base of inner webs, and narrowly fringed with white near tips, inner ones a little more broadly; tail ashy brown fringed with white round the end, the center feathers blackish and extended a little beyond the ends of the others; crown bright sandy rufous minutely streaked with black; lores and a distinct eyebrow white, with narrow streaks of blackish; sides of face white, with dusky streaks; ear-coverts tinged with rufous; under surface white; chin unspotted; throat, fore neck, and chest tinged with sandy rufous, and minutely spotted with dusky black, which sometimes takes the form of longitudinal streaks or arrowhead bars, the latter form of markings being especially distinct on the sides of body; breast and abdomen white, the latter with a few linear streaks of black; under wing-coverts and axillars white, bend of wing mottled with blackish bases; lower primary-coverts dusky with whitish tips; quills dusky below. 'Bill blackish brown, browner or reddish brown at angle of mouth, clear gray at base of lower mandible; feet yellowish ocher-color, tinged with olive, darker on the joints; iris dark brown.' (Dybowski.) Length, 178; culmen, 28; wing, 137; tail, 53; tarsus, 30. "Adult female.--Similar to the male.