145 



rougei-leggb:d falcon. 



Falco Lagopus. F. albus fusco varius, pedibus pennatis, Cauda 



versus apicem fascia latafusca. 

 White Falcon varied with brown, with feathered legs, and a 



broad brown bar towards the end of the tail. 

 Rough-Legged Falcon. Fenn. Brit. ZooL append, pi, 1. 

 Falco Lagopus. Brum, orn. bor, Lin. Syst, Nat. Gmel. 

 Var. 



Dusky Falcon. Fenn, Arct, ZooL 



Jfe Length two feet two inches. First described, 

 and figured, in the appendix to the Quarto edition 

 of Mr. Pennant's British Zoology: head, neck, and 

 breast yellowish white, with oblong brown strokes : 

 belly deep brown: wing-coverts brown, with fer- 

 ruginous edges: ends of the larger wing-feathers 

 deep brown, their lower parts white: thighs and 

 legs pale yellow with brown streaks : tail as in the 

 specific character: legs feathered to the toes, which 

 are yellow. Native of Denmark and Norway ; but 

 the accidental straggler from which Mr. Pennant's 

 description was drawn up, shot in England. Like 

 most of the present genus, it appears to vary, 

 being sometimes seen )vith the back of a blueish 

 grey, with black and white variegations, and the 

 tail dusky with paler bars. Hence the Dmky 

 Falcon of the Arctic Zoology, 



V. VII. 



19 



