27 



to the action ol" the ice; the country about Thorshavn, the whole 

 of the south part of Ostero and the neighbourhood of Sands (Fig. 16) 

 present the aspect pecuhar to a rocky landscape rounded off by 

 the action of the ice. 



Fig. 15. Sydero. The Ijasalt columns at Froclebo. (After a photog'raph by \V. Thulstrup). 



Moraines are not of frequent occurrence, and only here and 

 there are smaller deposits of morainic débris and scattered blocks 

 to be met with. 



Lastly, the rock-basins, i. e. hollows in the rock excavated by 

 the action of the ice, are identical with the numerous previously 

 mentioned cirque-valleys, which are characterized by the faet that 

 the Valley is deepest inside its entrance, or in other words, that 



