Cotyle (Ptyonoprogne) rupestris, Scop.
91. :- Jerdon's Birds of India, Vol. I, p. 166; Butler, Guzerat; Stray Feathers, Vol. III, p. 456; Deccan, Stray Feathers, Vol. IX, p. 378.
THE MOUNTAIN CRAG MARTIN.
Length, 5.25 ; expanse, 14.5; wing, 5.5; tail, 2.4 ; tail nearly square.
Bill black ; legs light reddish-brown.
Above, pale ashy-brown, darker on the quills and tail; throat and breast rufous-white ; abdomen rufous-ashy; under tail-coverts ashy-brown ; a large white spot on the inner webs of all the tail feathers, except the two outer and two centre ones.
The Mountain Crag Martin is a not uncommon winter visitant to the more hilly districts, but it does not occur on the plains, and has not as yet been recorded from Sind, where its place is taken by the next species.