62 



ACCIPITRES. 



white ; quills dark brown, with a slight tinge of ashy grey, the 

 secoudaries jmler brown, with rufous white tips, inner surface of 

 Aving white, the inner webs barred with rufous above, each bar 

 being almost continuous with the preceding one on the primaries ; 

 tail brown, tipped with white and shaded with ashy, barred with 

 rufous, the bars not being continued entirely across the feather • 

 cere pale yellow ; orbits bluish flesh-colour ; bill bluish lead- 

 colour, black at tip ; feet light ashy grey, tarsal scales in front 

 yellowish white ; iris brown. Total length IS'S inches, culmen 

 1-15, wing 13, tail 7-8, tarsus 2-55." 



Adult female. Similar to the male, but a little larger. Total 

 length 17 inches, culmen I'l, wing 14, tail 8-8, tarsus 2-S. 



^ Tounq. " Similar to the adults, but plainly spotted and banded 

 with rufous above, especially on the wing-coverts and inner secou- 

 daries ; under surface of body for the most part pale sandy rufous, 

 mottled with creamy white, where the plumage shows signs of 

 approaching adolescence ; thighs deep chestnut brown, with faint 

 cross bars of rufous ; the facial features more pronounced than in 

 the adult."* 



BemarJc. The ty2)e specimens of this species being now iu the 

 British Museum, the above descriptions have been doubtless 

 taken from them, and on that account they have been transcribed 

 here. 



Hahifat. Derby (N. W. Austr.), Interior, New South Wales, 

 \ ictoria, South and A¥est Australia, South-eastern New Guinea. 

 Measurements of average-sized specimens from different localities. 



A 1 ^ ad. sk. Derby, North-west Australia. Pch. 



A 2 a^ ad. sk. King George's Sound, West Australia. Col. 



A 3 $ ad. sk. Yandembah, N.S.W.-Shot from the nest. Pres. 



A 4 ? not quite ad. sk. Lachlan River, New South Wales. Pch. 



B 1 $ semi-ad. sk. King George's Sound, West Australia. Col. 



