16 MATHEWS— Birds of North and North-West Australia. 



108. Haliastur sphenurus. Whistling Eagle. 



Milvus sphenurus viettot, Nou. Diet. d'Hist. Nat. Vol. XX., 

 p. 564, 1818. New South Wales. 



No. 152— 5 . Length, 22.1 inches (19/6/86). 



Irides brown; bill and cere horn colour; legs and feet 

 bluish white. 



No. 172— 5 . Length, 20.6 inches (26/8/86). 



Irides dark brown, skin on lores and around the eye 

 bluish-white showing through the thin covering on these 

 parts; legs and feet white. 



No. 280— 9 . Length, 23 inches (18/7/86). 



No. 287— 6 . Length, 21.5 inches (19/7/86). 



Irides light greenish-brown, eyelids brown, skin on lores 

 slaty-brown; bill and cere brown, becoming lighter on the cut- 

 ting edge of the upper and lower mandibles; legs and feet 

 white. 



108. Milvus korschun affinis. Allied Kite. 



31ilvus affinis (Gould). Synops. Birds Austr., pt. III., pi. 47, 

 1838. New South Wales. 



No. 37— 9 (22/5/86). 



Irides dark brown; bill black, cere and feet yellow. 



109. Gypoictinia melanosterna decepta. Northern Buzzard. 



Gypoictinia melanosterna decepta (Mathews). Nov. Zool., 

 Vol. XVIII., p. 250, 1912. Parry's Creek, North-West Aus- 

 tralia. 



No. 381— 9 . Length, 22 inches (9/10/86). 

 111. Falco hypoleucus. Grey Falcon. 



Falco hypoleucos (Gould). Proc. Zool. Soc. (Lond.), 1840, 

 p. 162, 1841. West Australia. 



No. 269— 9 . Length, 15.6 inches (17/7/86). 



Irides brown, eyelid brown; orbital space white tinged 

 with yellow anteriorly, and at the posterior corner of the eye- 

 lid; bill, upper mandible, extreme tip as far as the notch 



