106 



SCANDINAVIA. 



falling to about 20 at Christiania, Tromsô, and other spots sheltered ftom the 

 moist winds. Throughout Sweden, which is defended by the Scandinavian 

 uplands from the wet quarter, the mean fall is 20 1 inches, and consequently less 

 than in France and the British Isles. By a singular contrast the snow-line 

 descends much lower on the western than the eastern slopes of the Folgefond 

 and Justedal highlands, the fact being due to the abundance of moisture brought 



Fig. 54. — Thermic Isabn'ormals for the Year. 

 According to Mohn. 



rfarffiC. 



tofCr, 



by the west and south-west winds. But going northwards the snow-line falls 

 uniformly from 4,000 or 5,000 feet on either side of the Folgefond, and to 3,000, 

 or even 2,400, on the mountains about North Cape. 



The isothermal lines, determined by systematic observation at the fifty-three 

 Norwegian and twenty-nine Swedish meteorological stations, present in summer and 

 winter the same general form. They run nearly parallel on the west coast, describing 

 their principal curve towards the south-west from Trondhjem to Christiania. 



