398 



In tlie angle between Ryder's River and its big 

 tributary from the east (,,Bielven") the following notes were 

 made (N. Hartz): 



The stony plains ("Stensletter"). Here the sand has been 

 blown and washed away, in such a way that the stones in the old 

 sea-bottom form an almost complete cover on top of the under- 



Fig. 21. Dryas octopetala with erect branches. Sand-drift grounds in Klit- 

 dalen. Dei. H. Olrik. 



lying sand layers. The stones themselves are more or less 

 rounded, often highly sand-polished and shining; scattered 

 among the stones are numerous white subfossile shells (Saxi- 

 cava, Mya, Astarte). The chief direction of the wind in this 

 valley is evidently N — S; in the shelter of each separate larger 

 stone or plant lies a small sanddrift. 



Farther down along the banks of the rivulet the stony 

 plains have an extremely poor vegetation, so poor that the 

 plants tone them with hardly any hue, and it consists here almost 



