GREY-HEADED DUCK. 
Edwards, who first figured and described 
this bird, informs us, that it *' was brought 
from Hudson's Bay by Mr. Isham that it 
must be accounted among the hitherto un- 
known, unfigured, and undescribed, birds; and, 
that it's greatest particularity is the uncom- 
mon strudlure of it's bill." 
It is the Anas Spe£labilis, of Linnagus ; the 
Anas Freti Hudsonis, of Brisson; the King 
Duck, of Pennant and Latham; and the Grey- 
Headed Duck of Edwards and BuiFon. We 
prefer," says BufFon, *' the appellation of 
Grey-Headed Duck, given by Edwards, to 
that of Hudson's Bay Duck, given by Brisson : 
in the first place, because there are many other 
Ducks in Hudson's Bay ; and, in the second 
place, because an epithet founded on a spe- 
cific chara6ler, is always preferable to one 
drawn from the country." 
** It is," Edwards observes, of a large size 
for the Duck kind, and seems much to exceed 
the 
