394 



BRITISH BIRDS. 



THE BLACK GUILLEMOT. 



GREENLAND DOVE, SEA-TURTLE, OR TYSTE. 

 SUMMER PLUMAGE. 



(Uria Grylle, Lath. Guillemot a uiiroir blauc, 

 Temm.) 



LENGTH about fourteen inches, breadth twenty- 

 two, weight fourteen ounces. Bill black, slender- 

 shaped, and pointed; the upper mandible slightly 

 bent at the point: inside of the mouth red. The 

 whole plumage is sleek and glossy, and of a sooty- 

 coloured black, excepting a large patch of white 

 on the coverts of each wing: its feathers appear 

 all unwebbed, and look like silky hair: legs and 

 feet red : claw r s black. The winter plumage varies 

 considerably from that of summer, the head and 

 back being grey, and all the under parts of a 

 pure white. 



These birds are met with in the North Sea, in 

 Greenland, Spitzbergen, Iceland, the Ferro, Ork- 

 ney, and Zetland Islands; in the latter they are 



