Upper delicate-gray; head, under white; jet black shoulder, patch under wing; tail grayish-white; f., sim. Insects, reptiles.
166 Letter-winged Kite, White-breasted Sparrow Hawk (e), E. scriptus, E.A., S.A., W.A.
r. plains (interior) 12.5
Like 165, but more black on under angle of wing gives letter W when wings expanded; f., sim. Insects.
4
37
167[*] Black-cheeked Falcon, Falco melanogenys, A., T. =vt. Eur. Peregrine Falcon.
Stat. c. plains, coast, rocky 15
Crown, side of head black; upper-breast creamy spotted black; rest of under barred black, reddish-gray; upper, wings, tail dark-gray; tail barred brown, gray; f., larger. Birds.
168 Gray Falcon, Blue (Smoke) Hawk, F. hypoleucus, A. =vt. Eur. Gyrfalcon.