﻿232 



REIN-DEER PULLS. 



August, 



Sandhills. Lat 68° 50' N. 



exposed to view, is a fine white sand. Large boul- 

 ders lie on the sides of the hills, and, judging 

 from the structure of the only point on which 

 time permitted me to land, the whole appears to 

 be similar to the sand deposit with its capping of 

 boulder gravel which covers the shale on Athabasca 

 and Mackenzie Rivers, On the point in question, 

 the white sandy soil was ascertained to come from 

 the disintegration of a sandstone, which has just 

 coherence enough when in situ to form a perpen- 

 dicular bank, but crumbles on being handled. It 

 consists of quartz of various colours, with grains of 

 Lydian-stone loosely aggregated, and having the 

 interstices filled with a powdery matter, like the 

 deposits of some calcareous springs. Similar sand- 

 stones occur at the " Narrows." Above it, there is 

 a bed of gravel, also formed of variously coloured 



