Zon THE BEAUTIES OF NATURE CHAP, 
the most interesting those above the channel 
of the Trient between Valorsine and the valley 
of the Rhone. 
In Great Britain I know no better illus- 
tration of ice action than is to be seen on the 
road leading down from Glen Quoich to Loch 
Hourn, one of the most striking examples of 
desolate and savage scenery in Scotland. Its 
name in Celtic is said to mean the Lake of 
Hell. All along the roadside are smoothed 
and polished hummocks of rock, most of them 
deeply furrowed with approximately parallel 
stria, presenting a gentle slope on the upper 
end, and a steep side below, clearly showing 
the direction of the great ice flow. 
Many of the upper Swiss valleys contain 
lakes, as, for imstance, that of the Upper 
Rhone, the Lake of Geneva, of the Reuss, the 
Lake of Lucerne, of the Rhine, that of Con- 
stance. These lakes are generally very deep. 
The colour of the upper rivers, which are 
white with the diluvium from the glaciers, is 
itself evidence of the erosive powers which 
they exercise. This finely-divided matter is, 
_ however, precipitated in the lakes, which, as 
