CLOUDS AND RIVERS, ICE AND GLACIERS. 



39 



come upon another singular ridge, not of fresh debris, 

 like those lower down, but covered in part with trees, 

 and appearing to be literally as ' old as the hills/ It 

 tells a wonderful tale. We soon satisfy ourselves that 

 the ridge is an ancient moraine, and at once conclude 

 that the glacier, at some former period of its existence, 



SOURCE OF THE ARVEIRQX. 



was vastly larger than it is now. This old moraine 

 stretches right across the main valley, and abuts against 

 the mountains at the opposite side. 



108. Having passed the terminal portion of the 

 glacier, which is covered with stones and rubbish, we 

 find ourselves beside a very wonderful exhibition of ice. 



