SOLIFLUCTION 93 



under high northern and southern latitudes, regions where the 

 removal of the waste is now going on under peculiar conditions, 

 and in another case was working during a bygone climatic depres- 



FiG. I. — Bear Island. Sea cliff, 400 meters in height. 



sion in a most effective manner almost all over the area of the islands 

 under consideration. 



I have thought it possibly useful to publish a short preliminary 

 review of my observations, as they may add to the understanding 

 of an important component of subaerial denudation. The phe- 

 nomenon I am going to describe is by no means new to science; 

 on the contrary, it has been noticed and clearly described by many 

 skilled observers from different parts of the world, where the con- 



