BIRDS OF THE BRITISH ISLES. 



261 



by the large white patch on the side of the head behind 

 the eye; the common golden-eye has the white in front of 

 the eye. The adult female has also a white patch behind 

 the eye. 



Common 



THE Common Eider (Somateriu moltissima, Linnaeus) is a 

 resident species in the British Isles, but is only known to 

 breed in England in one locality viz., the Fame Islands, 

 Northumberland. It is also found inhabiting the northern 

 portions of the Western Palearctic Region. The adult 



