Family Hirundinidæ.
Generic Character.
Bill (fig. 1.2.) small, entire, base depressed and straight, the outer half of the culmen suddenly curved; lower mandible straight, nostrils large, oblong: Tarsi short, without scales; anterior toes of nearly equal length; (fig. 3.4.) claws strong; hinder toe long, not versatile, the claw very short and thick. Nob.
Specific Character.
Above obscure glossy green; throat, breast, and lower part of the back light grey; belly, spot on the scapulars, and line over the eye, white; ears rufous; front with an incumbent crest.
Hirundo Klecho, Horsfield, Linn. Trans, xiii. p. 143, female?
Cypselus longipennis. Pl. Col. Pl. 83, f. 1?