ALCIDA. 703 
THE BLACK GUILLEMOT. 
URIA GRYLLE (Linnzus). 
The Black Guillemot is chiefly an inhabitant of our northern 
waters, and its occurrences on the east coast of England or as far 
south as the Channel are infrequent, even in winter. At the 
present day it is not known to breed in Wales, but a few pairs 
resort to the Isle of Man; while across the Irish Sea it is found in 
small numbers on the rocky portions of cos. Dublin, Wicklow and 
Antrim, becomes more numerous in the north and west, and can be 
traced along the south coast to co. Waterford. In Scotland, it 
appears to have abandoned some localities on the east side where 
it formerly nested; but it is common about the cliffs near Dun- 
cansby Head in Caithness, as well as on the west coast of Sutherland, 
while it may be called abundant in the Hebrides, especially on the 
Ascrib Islands in Loch Snizort, Skye. It is likewise plentiful in the 
Orkneys and Shetlands, where it is generally known as the “ Tystie.” 
This species breeds in the Feeroes, Scandinavia up to the North 
Cape, Denmark, and some parts of the Baltic, as well as in the 
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