50 ACCIPITRES. 



of the face, lores, throat, and chest ashy grey of a lighter tint than 

 the neck ; the breast, upper portion of the abdomen, and thighs, 

 and the flanks, buffy white, washed towards the tips, with rufous 

 and broadly barred with chestnut brown on the exposed portions, 

 and dark ashy brown on the concealed portions of the feathers 

 (the chestnut hroion bars consistinr/ of a broad bar of dark ashy brown, 

 centred and margined loith a narrow bar ofrvfous chestnut) ; the 

 abdomen, lower half of the tibia, under tail and wing coverts rich 

 rufous buff, the outer series of the under primary-coverts buff. 

 Bill black, iris bright yellow, cere and legs greyish yellow. 

 Total length 16'6 inches, wing 13'G, tail 8'5, tarsus 1'5, bill from 

 forehead I'l, from cere 0'75, culmen 1'2. 



Adult female. Similar to the male in plumage and size, or per- 

 haps a trifle larger. 



Immature birds are of a lighter brown above than in the fully 

 adult, occipital crest dark brown ; throat buffy white ; chest, sides 

 of the neck, and dorsal feathers ashy grey, washed with pale 

 rufous ; the breast and the remainder of the under surface buffy 

 white, the bars narrower, and of a chestnut brown tint ; abdomen, 

 under tail and wing coverts buff ; all the bars on the tail extend 

 across the feathers, the bars near the base being dark brown, that 

 at the tip broadest and blackish brown ; the inner webs at the 

 base are lighter and frequently freckled, and marked with spots 

 of blackish brown, margined with white. 



Young. " Above paler brown than in the adult, with narrow 

 margins of ochraceous buff to the dorsal feathers and wing-coverts, 

 becoming broader and more white on the inner secondaries ; 

 crown dark brown, as also the occipital crest, the white bases to 

 the feathers rather conspicuous ; forehead and sides of the face 

 dusky ciuerous, the former inclining to whitish ; throat whitish ; 

 fore neck and chest buff", with a rufous tinge, which extends on 

 to the sides and hinder part of the neck ; breast buffy white, 

 barred with rufous brown, much more narrowly than in the old 

 bird ; thighs and under wing and tail coverts rich buff, the 

 former crossed near the base with a few narrow bars of rufous 

 brown."* 



Sahitat. Port Darwin, Port Essington, Rockingham Bay, 

 Port Denison, Wide Bay District, Dawson Eiver, Eichmond and 

 Clarence Rivers Districts, New South Wales. 



* Sharpe, Cat. Bds. Brit. Mus., vol. i, p. 35S (1S74). 



