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 with the types of 

 C. dasypus while I was in Leiden in the autumn of 1883. The 

 latter is rather a whiter bird underneath, especially on the under 

 tail- coverts, which are blackish with broad white margins ; but there 

 are certain traces of smoky brown on the lower parts which prove 

 the identity of the Bornean with the Japanese bird. The Hakodadi 

 birds in the British Museum, which agree with the type of C. blalis- 

 toni, are very dark below ; but I have recently been shown a specimen 

 from Miri in South Yezo by Capt. Blakiston, which is whiter under- 



