90 GREAT-FOOTED HAWK. 



curved inwards, broad, obtuse, with an acumen. Tail-feathers broadish, 

 rounded, the tail rather long, and nearly even. 



Bill blackish-blue at the tip, pale green at the base, cere oil-green ; 

 bare orbital space orange. Iris hazel. Feet lemon-yellow ; claws 

 brownish-black. Head and hind neck greyish-black, tinged with blue ; 

 the rest of the upper parts dark bluish-grey, indistinctly barred with 

 deep brown. Quills blackish-brown, the inner webs marked with trans- 

 verse elliptical spots of reddish- white. Tail greyish-broAvn, marked with 

 about twelve bars, the last of which is broad, the rest diminishing in size 

 and intensity of tint. Throat and fore-neck white ; a broad band of 

 blackish-blue from the angle of the mouth downwards ; cheeks whitish- 

 grey ; sides, breast and thighs reddish- white, transversely marked with 

 dark brown spots in longitudinal series. Under wing feathers whitish, 

 transversely barred. 



Length 1 6^ inches, extent of wings 30 ; bill 1^ along the ridge ; 

 tarsus 1^, middle toe 2^. 



The figure represents a male in full vigour. When the bird gets 

 older, the colours of the upper parts acquire a lighter tint in the male, 

 and sometimes the back is ash-grey ; but in the female, they gradually 

 assume a deeper hue. 



Adult Female. Plate XVI. Fig. 2. 



The colour of the upper parts is more brown ; tips of the secondary 

 quills more or less whitish, tail tipped with brownish-white ; throat and 

 fore neck yellowish-white ; the latter longitudinally marked with gutti- 

 form spots ; general colour beneath yellowish- white, marked with longi- 

 tudinal broad spots. Vent-feathers reddish ; under tail-coverts marked 

 with narrow bars. 



Length 19^ inches, extent of wings 36 ; beak 1^ along the ridge ; 

 tarsus 2, middle toe 3|. 



