BIRDS OF THE BRITISH ISLES. 



Common Guillemot. 



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THE Common Guillemot (Uria troile, Linnseus) is a well- 

 known resident in the British Islands, and is also met with 

 on the northern coasts of Europe and the North Atlantic. 

 The adult in nuptial plumage has the head, neck, chin, 

 throat, and remainder of upper parts, blackish-brown, 

 sometimes tinged with greyish ; secondaries, tipped with 

 white ; under parts, white ; irides, brown ; bill, blackish ; 

 legs and feet, black ; webs of an olive tinge. Length, 

 about eighteen inches. The female is the same in colour 

 as the male, but is a trifle less in size. The young have 

 shorter bills, and the legs are paler. 



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