Cuvier is of opinion that Albicilla and Ossifragus 

 are not distinct species. 



A living specimen procured from the Orkneys, is a 

 noisy and furious creature, and barks when irritated 

 like a cur dog. 



3. FULVUS. RING-TAIL EAGLE. BLACK EA- 

 GLE, OF BH. ZOOLOGY. 



F. Nigro-ferrugineus, cera Jlava, cruribus plumosis, 

 digitisflavis, cauda fascia alba. Shaw. 



Bill bluish-horn colour, with a black tip, cere yel- 

 low. Irides hazel, head and neck brownish-black, 

 mixed with rust colour. Feathers on the lower part 

 of the back of the neck, of a ferruginous white colour 

 at their extremities. Chin, throat, head, and belly 

 black ; some of the feathers tinged with brown to- 

 wards the base. Back scapulars, and primary and 

 secondary quill feathers, black. Lesser wing coverts, 

 black and blackish-brown, mixed with hair brown. 

 Greater wing coverts, brownish-black. Tail perfectly 

 white Jor two-thirds of its length, and black at its ex- 

 tremity. Feet yellow, feathered to the toes. 



It is about the size of the golden eagle, and preys 

 upon hares and young deer. 



This species also breeds' in the Orkneys, and our 

 specimen taken there in spring 1819, greatly resem- 

 bles in its voice a young turkey. 



It is a commonly received opinion that birds of 



