. Catalogue of the Birds in the British Museum. 92 HIETTNDINID^.. p. 448; Blakist. Sj- Pryer, Ibis, 1878, p. 231; iicl. B. Japan, p. 139 (1882). Delichon (?) dasypus, Salvad. Ucc. Born. p. 127 (1874). Hirundo dasypus, Seehohm, Hist. Brit. B. iii. p. 179 (1888). Adult male (type of species). General colour above dull purplish blue, with white bases to the feathers; wing-coverts and quills blackish with a slight bhie gloss ; rump and upper tail-coverts pure white, with narrow' dusky shaft-lines; the long upper tail-coverts and tail-feathers blackish with a faint blue gloss ; tail very slightly f
. Catalogue of the Birds in the British Museum. 92 HIETTNDINID^.. p. 448; Blakist. Sj- Pryer, Ibis, 1878, p. 231; iicl. B. Japan, p. 139 (1882). Delichon (?) dasypus, Salvad. Ucc. Born. p. 127 (1874). Hirundo dasypus, Seehohm, Hist. Brit. B. iii. p. 179 (1888). Adult male (type of species). General colour above dull purplish blue, with white bases to the feathers; wing-coverts and quills blackish with a slight bhie gloss ; rump and upper tail-coverts pure white, with narrow' dusky shaft-lines; the long upper tail-coverts and tail-feathers blackish with a faint blue gloss ; tail very slightly forked ; head like the back ; lores and feathers below the eye black; ear-coverts dull purplish blue, as also the sides of the neck and sides of upper breast, the latter slightly mottled with white bases; fore part of cheeks and a spot at the base of the chin black; hinder part of cheeks and under surface of body creamy buff, washed with smoky brown on the breast and flanks, with a little purer white on the fore neck and abdomen; under tail-coverts smoky brown, broadly edged with whitish, the long coverts blacker with broad whitish edgings; axillaries and under wing-coverts dark brown, the small coverts near the edge of the wing edged with pale smoky brown; quills dull ashy brown below. Total length 4-6 inches, culmen 0-3, wing 4-1, tail 1-75, tarsus 0-5. {Mus. Lugd.). Tail of Chelidon dasi/pics. Adult female. Similar to the male in colour, but with one of the central long upper tail-coverts smoky brown, with a black shaft and a whitish margin at the tips ; the under surface of the body much whiter, with a smoky buff tinge on the throat, abdomen, and sides of body; the imder tail-covcrts white with a blackish shaft-streak. Total length 4-7 inches, culmen 0-35, wing 4-3, tail 1*8, tarsus 0-45. (M^(s. Lvffd.) Obs. Chelidon hlalistoni from Japan is undoubtedly identical with C. dasypus of Borneo. Mr. Seebohm very kindly lent me the type of the Japanese species, which I compared wit
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