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FALCO LAGOPUS. 
ROUGH-LEGGED FALCON. 
Cere and downy legs yellow ; body black, 
spotted with white ; tail feathers white, to- 
wards the tip black. 
Falco Lagopus, Lin. Gme. 
Rough-legged Falcon, Pen. Lath. Mont 
Greenland Falcon, Arctic Zoology. 
Mr. Montagu is of opinion, that the 
Rough-legged Falcon and the Booted Fal- 
con (Falco Pennatus) are the same bird, 
differing only in age or sex. 
The description and figure of this bird 
was first published by Mr. Pennant in the 
British Zoology. It was shot near London, 
and was in the Leverian Museum. 
Montagu says this species measures up- 
wards of two feet in length ; the wings are 
long, and reach near to the end of the tail 
when closed. 
A specimen of this bird was taken up 
dead on the coast of Kent, and presented to 
