48 



ACCIPITEES. 



Wing, black ; greater wing-coverts ashy grev, secondaries light 

 ashy grey fading into white at the tips and inner margins, 

 primaries and primary-coverts ashy grey washed with ashy brown, 

 becoming white on the margins of the inner webs, their shafts 

 brown ; scapulars light ashy brown above, white beneath ; centre 

 two tail feathers and outer webs of next two on either side ashy 

 white, remainder of the tail feathers above, the shafts, and all 

 below pure white; axillaries and all the under wing-coverts except 

 the larger series black (which following the line of the wing- 

 bones forms a black-shaped mark) ; the larger series of the wing- 

 coverts and those at the base of the primaries ashy grey, under 

 margin of the wing white. Cere and feet yellow ; bill black ; iris 

 orange red. Total length 14.-5 inches, Aving 12-2, tarsus 1-6, 

 tail 7, bill 1, culmen I'l. 



Adult male. In plumage the same as the female, in size 

 slightly smaller. Total length 13o inches, wing 11-4, tarsus 1*4, 

 tail 6-5, bill OOo, culmen 1. 



Young. Above ashy brown, the tips of all the feathers more or 

 less margined with white, except those on back of the neck and 

 interscapular region. Those parts of the wing black in the adult 

 are of a blackish brown, margined with white near the primaries 

 and on the shoulders. This specimen is of the same size as the 

 adult male. 



Habitat. "Wide Bay District, Richmond and Clarence Eivers 

 Districts, New South \Vales, Interior, Victoria, South and West 

 Australia. 



Measurements of average-sized specimens from different localities. 



A 1 cf ad. sk. 

 A 2 $ ad. sk. 



A 3 9 ad. sk. 

 A 4 2 ad. sk. 

 A 5 3 ad. sk. 



B 1 2 not quite ad. sk. New South Wales. 



New South Wales. 



Lismore, llichmond River, New South 



Wales. 

 Sydney, New South Wales. 

 Lachlan River, New South Wales. 

 Lachlan River, New South Wales. 



Pres. 

 Pch. 



Pres. 

 Pch. 

 Pch. 

 Pres. 



