IN JERDON OR STRAY FEATHERS. 365 



tail-coverts pure white ; thighs, tarsi and under wing-coverts 

 rufous ; toes thickly covered with thick strong- bristles, of an 

 albescent brown colour ; claws at the base albescent ; the rest 

 blackish slate ; the inner webs of all the primaries, except the 

 first feather, are faintly barred with dark towards the point half, 

 and with albescent buff towards the basal half, giving the wings 

 from beneath a speckled albescent appearance ; the face and a 

 little of the forehead albescent ; nostrils and base of upper 

 mandible protected by stiff lax feathers, white, with a black 

 shaft ; bill yellowish horny at point, greenish slate towards 

 the base ; irides bright yellow. — Hume, u Rough Notes." 



99 ter.~ Cypselus pallidus, Shelley. 



Adult Male. — Resembles Cypselus apus, except that instead 

 of being sooty black it is dull soft mouse-grey ; forehead and 

 crown rather paler than the back, the wings and tail being 

 rather darker ; chin and upper throat whitish grey ; rest of the 

 under parts mouse-grey, darkest on the breast and abdomen, 

 and most of the feathers on these parts are narrowly margined 

 with lighter grey ; in front of the eye is a black spot, which is 

 extended to a very slight extent round the edge of the eye ; 

 bill black ; feet dark purplish brown ; iris brown. Total length 

 about 6 inches ; culmen, 03; gape, 0'65; wing, 6*4; tail, 27; 

 tarsus, 0'45. 



Female. — Similar to the male. — Dresser's " Birds of Europe." 



99 quat.— Cypselus pekinensis, Swinh. 



Back, nape, and under parts as in C. apus, the white on the 

 throat more extended ; crown, rump, tail, and wings light brown, 

 with a slight coppery-pink gloss; primary coverts, shafts of 

 quills, and outer-webs of wing primaries blackish; forehead 

 very pale, with a whitish upper edge to the black patch in front 

 of the eye. 



Male. — Length, 7 inches ; wing, 7 ; tail, 3 ; depth of fork, 

 1; wing reaching beyond tail, 1'2. Legs deep purplish brown, 

 with black claws ; inside of mouth flesh-colour, with a pur- 

 plish tinge, especially on lower jaw; skin round eye and bill 

 blackish brown, tinged with purple; iris bright brownish black. — 

 Swinhoe, P. Z. S. t 1870, 435. 



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