Head small, oblong, compressed. Eyes small. Neck rather long. Body slender. Feet long, very slender; tibia bare for an inch; tarsus long, slender, compressed, covered before and behind with numerous small scutella; hind toe very small, the rest of moderate length, slender, the second very slightly longer than the fourth, the third very little longer; short basal webs, running out along the margins, that between the third and fourth toes larger. Claws rather long, very slender, slightly arched, tapering, compressed. Plumage very soft, blended; the feathers somewhat distinct on the back. Wings very long, pointed; primaries tapering, the first longest, the second slightly shorter, the rest rapidly graduated; outer secondaries slightly incurved, obliquely sinuate on the outer web towards the end, the inner web rounded; inner secondaries very narrow, tapering, reaching to three-fourths of an inch of the longest primary when the wing is closed. Tail of moderate length, nearly even, but with the two middle feathers exceeding the rest by two and a half twelfths of an inch, of twelve narrow, rounded feathers. Bill black. Iris brown. Feet dull yellowish-green, claws black. The upper parts are brownish-black, the feathers margined with reddish-white, the edges of the scapulars with serriform markings of the same; rump and upper tail-coverts white, transversely barred with dusky; tail light grey, the feathers white at the base and along the middle. Primary quills and their coverts brownish-black, the inner tinged with grey, the shaft of the outer primary white, secondaries brownish-grey, margined with reddish-white, the inner dusky. A broad whitish line over the eye; loral band dusky; auriculars pale brownish-red; fore part and sides of neck, greyish-white, tinged with red, and longitudinally streaked with dusky; the rest of the lower parts pale reddish-brown, transversely barred with dusky; the middle of the breast and the abdomen without markings. Dimensions of five individuals. Length to end of tail, 8-3/4 8-1/4 7-3/4 8 7-1/2 wings, 9-1/4 8-3/8 8-1/2 8-3/4 8-3/4 claws, 11-1/4 10-5/8 10 10-1/2 10-7/8 Extent of wings, 16-3/4 16 15-1/2 17 16 Weight of an individual, 2-3/4 oz. Female. Plate CCCXLIV. Fig. 2. The female is considerably larger, but otherwise resembles the male. Dimensions of five individuals. Length to end of tail, 10-1/2 11 9-1/4 10-3/4 8-1/2 wings, 11 10-3/4 11-3/4 11-1/2 10-1/8 claws, 13-1/4 12-1/2 11-1/2 12-3/4 11-3/4 Extent of wings, 18 16-1/2 16-7/8 16-1/2 17-3/4 Weight of two individuals, 4 oz., 3-3/4 oz.