17 



cirqiie-valleys they are generally more or less circular. Sometimes 

 Ihe shore facing the open side of the valley is bounded by a rocky 

 barrier, while the rest of the shore is sandy or gravelly according to 

 the matter carried down by the streams (Figs. 8, 9). The lakes occurring 

 in long Valleys are elongated and are generally much larger than 



V\g. 11. Stromo. Dalagjov (see Fig. 4) A ravine into which the sea-water ttows. Sides of cliff almost 

 bare of vegetation. (After a jjhotograph by K. Rimestaci). 



those in cirque-valleys; among these larger lakes may be mentioned 

 Sandsvatn and Saltvigsvatn on Sando, Leinumvatn on Stromo, Tofte- 

 vatn on Ostero and the above-mentioned Sorvaagsnatn. Lasth% a 

 third class of lakes occurs on the hill-plateaux, viz. small tårns, 

 which are formed in low hollows in the rocks, and are properly 

 speaking only large pools of waler. I met with several such small 



Rotanv of tlie Ficroes. 



