The Cloud-Capped Continental Divide . . 144 



Ptarmigan .158 



Summer at an Altitude of ' 12,000 Feet . . 178 

 A Typical Lodge-Pole Forest . . . .184 



Aspens ........ 204 



A Grove of Silver Spruce ..... 208 



Ouray, Colorado, a Typical Mining Town . . 218 

 Estes Park and the Big Thompson River from the 



Top of Mt. Olympus 238 



In the Uncompahgre Mountains . . . 244 

 A Grass-Plot among Engelmann Spruce . .250 



