THE TUNDRA AND ITS FAUNA 25 
among these we must place the ptarmigan (Lagopus), 
of which more than one species occur in the tundra. 
In Greenland, in Arctic America and the adjacent 
Fic. 2. The Ptarmigan, with nest, young, and eggs, showing the 
stony uplands where the bird breeds in Highland Scotland. (From 
a specumen in the Royal Scottish Museum.) 
regions, in Spitsbergen, in Northern Asia, these birds 
occur, sometimes in considerable numbers. In the slow 
