80 AVES RAPTORES. [AQUILA. 



GEN. 2. AQUILA, Briss. 

 (1. AQUILA, Cuv.) 



2. A. Chrysaetos, Vigors. (Golden Eagle.) Tail 

 longer than the wings ; rounded at the extremity : the 

 last phalanges of all the toes with only three scales. 



Falco fulvus, Temm. Man. d"0rn. torn. i. p. 38. Golden Eagle, 

 Mont. Orn. Diet, and Supp. Selb. Illust. vol. i. p. 12. pis. 1, 1*, 

 and 2. Bew. Brit. Birds, vol. i. p. 5. 



DIMENS. Entire length three feet and a half: breadth eight feet. 

 MONT. 



DESCRIPT. (Adult.) Top of the head, and nape of the neck, bright 

 rust-colour; the feathers long and acuminated: rest of the plumage 

 dull brown, approaching to dusky : inside of the thighs, and feathers on 

 the tarsi, light brown : tail deep gray, barred and tipped with blackish 

 brown : bill bluish at the base, black at the extremity : irides brown : cere 

 and feet yellow. (Young.) Plumage throughout of a uniform reddish 

 brown: vent and under tail-coverts whitish: inside of the thighs, and 

 feathers on the tarsi, white : tail white for two-thirds of its length from 

 the base ; the remainder dark brown. Perfect plumage not attained till 

 the fourth year. (Egg.) Dirty white, mottled all over with pale reddish 

 brown: longitudinal diameter three inches; transverse diameter two 

 inches five lines. 



Found principally in the mountainous parts of Scotland and Ireland : 

 rare in England, but has been killed as far south as in Sussex. Preys 

 on lambs, fawns, &c. as well as on the larger birds. Builds on rocks and 

 tall trees, and lays two, rarely three, eggs. Obs. The Ring-tail Eagle 

 (F. fulvus, Linn.) is the young of this species. 



(2. HALI^EETUS, Sav.) 



3. A. Albicilla, Briss. (Cinereous Eagle.) Plumage 

 brown ; with spots of a darker tint in the immature state : 

 tail not extending beyond the wings : all the phalanges of 

 the toes scaled. 



Falco Albicilla, Temm. Man. d*0rn. tom.i. p. 49. Cinereous Eagle, 

 Mont. Orn. Diet, and Supp. Selb. Illust. vol. i. p. 18. pis. 3, 

 and 3*. Bew. Brit. Birds, vol. i. p. 9. 



DIMENS. Entire length two feet four to ten inches. 



DESCRIPT. (Adult.) Head, and upper part of the neck, brownish ash : 

 rest of the plumage on the body, including the wings, brown clouded with 

 cinereous : tail white : bill whitish : cere and feet pale yellow. (Young.) 

 Head and neck deep brown, with the tips of the feathers somewhat paler: 

 upper parts in general reddish brown, each feather being pale at the 

 root and dark along the shaft: quills dusky: under parts brown, with 

 deeper coloured spots, and here and there a few white feathers: tail 

 whitish at the base, irregularly spotted with brown on the outer webs, 

 the tip also being of this colour: bill bluish black, paler at the base. 

 (Egg.) Dirty white, with a few pale red marks: long. diam. three inches ; 

 trans, diam. two inches four lines. 



