FALCON. 239 



177.— BLACK-BACKED EAGLE. 



Falco melanonotus, Ind. Oni, i. 16. Shaic's Zool. vii. 86. 



Falco niger, Gm. Lin. i. 259. Daiid. ii. 59. 



Der Adler mit swarzem Rucken, Bechst.AUg. u. d. Vog. i. p. 39, 22. Id Zusass. p. 659. 



Black-backed Eagle, Gen. Syn. i. 42. Brown III. pi. 2. 



SIZE of the Golden Eagle. Bill black ; cere and legs yellow; 

 the latter feathered to the toes ; hind part of the neck, belly, and 

 wing coverts, ferruginons ; fore part, breast, back, and quills, black; 

 from the base of the tail to the middle white ; the rest black. 



Native place uncertain ; thought by some to be a variety, or old 

 male of the Ring-tail species. Mr. Bechstein says it is an old male 

 of the Black Eagle. 



178.-JANEIRO EAGLE. 



LENGTH 29 in. Bill and claws dusky ; cere yellow, covering 

 the base of the mandible, and extending round the eyes ; forehead, 

 upper parts of the body, and wings, deep chocolate brown ; top of the 

 head crested, the feathers at the back part elongated; these are white, 

 with a chocolate-brown streak at the tips ; the chin also is streaked 

 brown and white ; fore part of the neck and breast paler l>rown ; 

 belly, thighs and vent, brownish black, marked with ti'ansverse 

 white spots ; legs feathered to the toes, and marked in the same 

 manner ; the quills are dusky, with five or six pale bands on several 

 of the outer ones, and when closed, reach one-third on the tail. 



