78 



SCANDINAVIA. 



glaciers were constantly increasing throughout the eighteenth century, the 

 moraines encroaching continually on the arable land, and compelling the inha- 

 bitants slowly to retreat before the advancing streams of compact ice ; but since 

 1807 a retrograde movement has set in, some of the glaciers retiring from 2,000 



Fig. 36. — Table-lands and Highlands of South Norway. 

 Scale 1 : 4.S0r,00O. 



LofG, 



Depth " Height l,640 to 3,280 Over ù,lùU 



to i,(j40 Feet. to 1,640 feet. Feet. Feet. 



-___——_ 50 Miles. 



to 3,000 feet, and leaving the moraines isolated in the midst of grassy valleys. 

 Still the Buerbrae, amongst others, continued to advance till 1871, when its lower 

 extremity reached a level of 1,237 feet above the sea. At present several of the 

 Justedal glaciers descend below 1,650, 1,330, and even 1,000 feet, while two on its 



