LARIDA. 679 
THE GLAUCOUS GULL. 
Larus GLaucus, O. Fabricius. 
This is a Gull with nearly white wings, and equal in size to the 
preceding species. It is a visitor to our islands during the colder 
months of the year, especially to the northern districts ; but although 
sometimes observed in the Shetlands as late as June, it has never 
been known to breed there, nor even in the Feroes. In severe 
winters it is sometimes abundant on the coasts of Great Britain, 
immature birds, of course, forming the majority; but south of 
Norfolk it is of irregular appearance, and in Wales and the west of 
England it is rare, although an example shot on the Severn in the 
winter of 1840 happens to be the subject of the illustration. In 
Ireland it is seldom met with, and then chiefly in the north and west. 
The Glaucous Gull’ is common and resident in Iceland, and is 
found duriig summer throughout the entire circumpolar regions of 
