BRITISH BIRDS. H 
>1 
THE MUSK DUCK. 
CAIRO, GUINEA, OR INDIAN DUCK. 
(Anas moschata, Lin . — Le Canard Musque, BufF.) 
This species is mucli larger than the Common 
Duck, measuring about two feet in length. The 
irides are pale yellow; the bill from the tip to the 
protuberance on the brow, is more than two inches 
long. Domestication, from time to time, has made a 
great variation in the plumage of these birds, but they 
are all alike in having a fleshy knob on the base of 
the bill, and a naked, red, warty or carunculated skin 
extending from that and the chin to above the eyes, 
and in having the crown of the head rather tufted and 
black which they can erect at pleasure. The legs are 
