AN AUSTRALIAN BIBD BOOK. 
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S6S Gray Falcon, Blue (Smoke) Hawk, hypoleucus, A. 
=vt. Eur. Gyrfalcon. v.r. timber, plains; f., 17; m., 12 
"Rare beautiful falcon;" bluish-white below; grey 
above; tail barred gray, brown. Birds. 
109 Black Falcon, i^. 5it&m^er, A. v.r. plains (inland) 17 
Dark, sooty-brown, paler below; chin whitish; f., larger. 
170*Little Falcon (White-fronted), Duck Hawk (e), Aus- 
tralian Hobby, F. lunulatus, A., T., ==vt. Eur. 
Hobby. Stat. c. plains; f., 13.5; m., 11.5 
Forehead white; upper grayish-black; cheeks black; tail 
barred gray, chestnut; throat buff; chest reddish-buff, 
striped dark-brown; under, thighs reddish; incom- 
plete whitish collar; f., larger. Birds, insects. 
2 171 Striped Brown Hawk (Western, Orange - speckled) , 
3 Hieracidea herigora, A. v.c. swampy, plains 17 
Upper dark-brown; wings spotted reddish; incomplete col- 
lar, under buff-white striped dark-brown ; throat whit- 
ish; naked skin round bilUyellow; tail barred dark- 
brown, gray; f., larger.^ Caterpillars, insects, birds. 
172* Brown Hawk, H. orientalis. A., T. Stat v.c. Umber 17 
Head, upper dark-brown; line over eye, throat buff; 
under buff spotted rust-brown; tail brown barred rust- 
red; Skin round bill bluish; f., larger. Pood as 171. 
1 173*Nankeen Kestrel, Windhover, Mosquito Hawk, Spar- 
28 rowhawk (e), Cerchneis cencUroides, A., T., N.Z. 
=vt. Eur. Kestrel. Stat. v.c. timber, plains 11. '6 
Upper cinnamon-red, spotted black; tail rufous, faintly 
banded black above, tipped white, then black bar; 
side neck, throat, abdomen, under tail white; chest 
buff striped black; f., larger. Insects, mice. 
