FALCON. 97 



B.— Falco albus, White's Journ. to Bot. Bai/, t.Y>.2bO, 



This is nearly the shape of the Hen-Harrier, but entirely white 

 throughout. Bill black ; cere and legs yellow. 



C— Falco hudsonius, Ind. Orn. i. 40. /3. Lin. i. 1'2S. Gm. Lin. i. 277. Bris. vi. Sup. 



p. 18. Id.8vo.U9. Daud.n. 1T3. Ger. Orn. i. t. 44. Shaw's Zool.vn. IGb. 

 Busard roux, Vieill, Amer.'u p. 36. pi. 9. 

 White-rumped Bay Falcon, Gen. Syn. i. p. 54. 34. B. 

 Hudson's Bay Ringtail, Ge«. Syn. i, p. 91. Ediv.t.Kf!. Arct. Zool.W. 'iio. iQ6. 



Bill, cere, and legs as in the last described ; plumage in general 

 ferruginous, ^vith a tinge of brown; cheeks, and round the eyes 

 darker ; nimp white ; the two middle tail feathers ash-colour, the 

 others fenuginous ; all of them crossed with four bars of yexy dark 

 brown ; tips dusky. 



Mr. Pennant describes this bird as having a dusky bill, and 

 yellow cere; a white line over each eye; plumage above dusky 

 l^rown — beneath whitish, with ferruginous spots; vent and rump 

 white ; middle tail feathers dusky, the next bluish ash-colour, the 

 outennost white, all marked with orange bars. 



In size it rather exceeds our British species, and has the same 

 manners in every respect; weighs 17i ounces ; length 21 in. ; breadth 

 three feet seven inches. 



Inhabits Hudson's Bay ; is frequently seen in the open and 

 temperate parts of Russia ; extends as far as Lake Baikal, but not 

 common in the north of Europe. 



VOL. I. o 



