812. Ptyonoprogne obsoleta.
The Pale Crag-Martin.
Cotyle obsoleta, Cab. Mus. Hein. i, p. 50 (1850); Barnes, Birds Bom. p. 83. Ptyonoprogne pallida, Hume, S. F. i, pp. 1, 417 (1873). Ptyonoprogne obsoleta (Cab.), Hume, Cat. no. 91 bis. Cotile obsoleta (Cab.), Sharpe, Cat. B. M. x, p. 111.
Coloration. The whole upper plumage pale greyish brown; wings and tail darker; all the tail-feathers with a white spot on the inner web except the middle and outermost pair, but with signs of a spot on the latter sometimes ; a black spot in front of the eye; sides of the head like, the upper plumage ; lower plumage white, tinged with fulvous, and gradually turning to pale brown on the lower abdomen and under tail-coverts, which latter are margined paler.
Legs and feet dusky greyish brown; bill blackish brown; iris blackish brown (Butler).
Length about 5.5; tail 2.2; wing 4.5; tarsus .4; bill from gape .55.
Distribution. Sind, extending west to Arabia and Egypt. This species appears to be only a winter visitor to Sind.