68 A BOOK OF BIRDS 



whereby the birds are enabled to conceal themselves in the snow 

 from their enemies. The Red Grouse, or " Ryper," of the Continent 

 of Europe — known as the Willow Grouse — adopts a similar change ; 

 but this is not the case with our Red Grouse. And this because the 

 snow does not lie long enough, in the lowlands where they dwell, 

 to need a specially protective dress. The Willow Grouse, or Ryper, 

 we should remark, occurs also in the northern parts of the American 

 Continent. 



The Hazel-hen, or Gelinotte (Plate XII. fig. 2), is a native of 

 Europe and Northern and Central Asia, and is greatly esteemed as 

 an article of food, large numbers being imported into the London 

 market from Scandinavia and Russia. 



