240 



Order XV 



Briinnich's Guillemot (U. lomvia), an Arctic bird, 

 which rarely visits us in winter, and has a stouter bill 

 with a white edge to the upper mandible, forms the 

 greater part of the vast loomeries of the far north. 

 The habits are identical with those of the common 

 species and the eggs are indistinguishable. The so- 

 called " Ringed Guillemot " is a variety of the Common 

 Guillemot with a white ring round the eye. 



Black Guillemots 



The Black Guillemot or Tystie ( U. grylle) is a beautiful 

 little black bird, with a large white wing-patch and red 

 feet ; in autumn it is barred with whitish above and 

 is white below, as are the young, but not the adults, 

 in winter. Common in northern Scotland, it occurs 

 in small numbers in the Isle of Man and Ireland. 

 Abroad it extends from the White Sea to Iceland, the 



