Dendrochelidon coronata, Tick.
104. :- Jerdon's Birds of India, Vol. I, p. 185; Butler, Deccan; Stray Feathers, Vol. IX, p. 380; Swinhoe and Barnes, Central India; Ibis, 1885, P. 60.
THE INDIAN CRESTED SWIFT.
Length, 9 to 10 ; expanse, 14 to 15.7; wing, 6.05 to 6.35 ; tail, 3.16 to 5.25 ; tarsus, 0.28; bill from gape, 0.7 to 0.8.
Bill black ; irides deep-brown ; legs blue-black ; soles of feet reddish-white.
Above bluish-grey, somewhat darker on the head, clearer on the back and rump, and glossed throughout with greenish ; wings anteriorly with a slight purple gloss; beneath pale ashy, whitening on the "middle of the belly and lower tail-coverts; ear-coverts ferruginous in the male, (connected with the chin by a line of the same color), black in the female, with a whitish line bordering the throat.
The Indian Crested Swift is common at and near Mhow in Central India, and has also been obtained along the Sahyadri range; it has not been recorded from any other portion of the region.