Studies in the Sierra 



8s 



ged talus the majestic avalanche, and the moraine reveals the 

 mighty glaciers silently spreading soil upon a thousand moun- 

 tains. Nor in all these involved operations may we detect the 

 faintest note of disorder; every soil-atom seems to yield enthu- 

 siastic obedience to law — boulders and mud-grains moving to 

 music as harmoniously as the far-whirling planets. 



