GLACIAL ACTION— THE iSAR, 89 



in 1840, althougli combated by men like Berzelius and Murchison, is now 

 universally accepted. The evidences of glacial action, striae, polished rocks, 

 moraines, boulders, are far too obvious to be overlooked. There is scarcely a 

 geological chart of Scandinavia in which the form of the hills does not bear 

 witness to the passage of glaciers, and in some places glacial mounds and boulders 

 are numerous enough to impart a special character to the scenery. From a 



ï'ig. 45. — IsLANUS IN THE GuLF OF ChKIST1ANL4.. 



distance the traveller coasting the southern Norwegian seaboard easily detects the 

 action of ice in the rounded forms of the headlands, and in the interior of Sweden 

 the angular rocks and crests of many hills have been worn to level surfaces by the 

 same cause. Even the lava beds that have overflown on the older formations in 

 the neighbourhood of the great lakes have to some extent been afiPected by similar 

 influences. Such are the two polygonal masses of Halleborg and Hunneborg, 

 separated from each other by a narrow trough, through which runs the railway 



