THE ARCTIC FAUNA. 



137 



only in very rare cases, becomes entirely white in 

 winter. Besides Scandinavia, Scotland, and Ireland, 

 it is found in Northern Russia, and also in the 

 Pyrenees, the Alps, and the Caucasus. In Asia it 

 occurs not only on the mainland of Siberia, but it has 



FIG. 8. Map of the northern hemisphere, to show the geographical 

 distribution of the Arctic Hare (Leptis variabilis] indicated in 

 black. 



been obtained on the Akita Mountains in Japan and 

 on the Mioko San Mountain, and also on the island 

 of Saghalien. It had in former times a more exten- 

 sive range, and its remains have been discovered in 



