352 
ANSERES. 
GENUS XXXII. 
MERGUS MERGANSER. 
The distinguishing characters of this 
Genus are — 
Bill toothed, slender, cylindrical, hooked 
at the point. 
Nostrils small, ova], in the middle of 
the bill. 
Feet four toed, the outer toe the longest. 
Turton in his translation of Linnaeus, 
describe ten species belonging to this ge- 
nus, three only of which are natives of 
the British Isles. 
The generic characters as given by 
Temmindk, are : " Bill moderate or long, 
straight, slender, in form of a lengthened 
cone almost cylindrical, the base of it 
broad; the point of the upper mandible 
much curved and terminated by a nail; 
2 v 
