linneAn genus falco* 



571 



lour, darker towards the tip. Cere and irides 

 yellow. Head and neck brown and tawny ; the 

 feathers long and pointed, and, particularly to- 

 wards the back of the neck and hinder part of 

 the head, tinged with bright ferruginous or rust 

 colour. The general colour of the plumage is 

 dark brown, with shades of tawny and ferruginous. 

 Quill-feathers, of a chocolate colour, with white 

 shafts. Legs yellow, large, and feathered to the 

 toes ; toes large and scaly ; claws black. It bears 

 a close resemblance to the adult bird, but the fea- 

 thers on the thighs are lighter in colour, and spot-^ 

 ted irregularly with white. 



To enable Us to compare the two species, it will 

 be necessary to give an accurate description of the 

 Ring^tailed Eagle. 



The bill is bluish -horn colour, with a black tip* 

 Cere yellow. Irides hazel. Head and neck 

 brownish-black, mixed with rust colour. Fea- 

 thers on the lower part of the back of the neck* 

 of a ferruginous white colour at their extremities* 

 Chin, throat, breast, and belly, black ; some of 

 the feathers tinged with brown towards the base. 

 Feathers on the thighs brownish-black, with paler 

 points. Legs feathered down to the toes, with 

 short downy plumes, of a hair-brown colour* 

 Back, scapulars, and primary and secondary quill- 

 feathers, black. Lesser wing coverts, black and 

 blackish-brown, mixed with hair-brown. Great* 

 er wing coverts, brownish-black There are a 



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