8 1 R OLLIN D. SA LI SB UR V 



recent times, covered by the ice, but which are now free from it. 

 Such surfaces were seen on the Redcliff peninsula, and on the 

 peninsula east of Bowdoin Bay ; but in no case where the aban- 

 doned surface was seen did it appear to be true that its topog- 

 raphy was fashioned by the drift. The main features, at least 

 where there were roughnesses, seemed to be due to the underl)^- 

 ins; rock, and the effect of the drift, on the whole, was rather to 

 level the surface than to roughen it. In general the topography 

 of the drift on surfaces abandoned by ice-sheets, so far as it could 

 be differentiated from the topography of the underlying rock, 

 was nearly plane. 



There were, however, minor details of surface which were 

 notable. It was frequently to be seen that the drift of a surface 

 recently abandoned by the ice was disposed in a multitude of 

 tiny crescentic ridges, concave toward the ice. The ridges 

 were one to ten feet wide, and one to ten yards long. They 

 were generally no more than one or two feet high, and just 

 within the crescent there was likely to be a depression of per- 

 haps an equal amount, so that the generally flat surface still had 

 a relief of two to four feet. This was perhaps the most con- 

 spicuous minor detail observable on the surface of the drift. 

 Much of the drift-covered surface of the flat uplands looked as 

 if a heavy roller had been passed over it. Much of the surface 

 which had been recently freed from ice was essentially without 

 relief. 



On the whole, the drift in Greenland is notably more stony 

 than the drift of our own country. Clay, due to the grinding of 

 the rock, was everywhere conspicuous by its paucity or absence. 



RoLLiN D. Salisbury. 



