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A Wild Garden in the Wonderland, on the Eastern 

 Boundary-Line of the Rocky Mountain National 

 Park Frontispiece 



The Narr oii's, Long's Peak Trail 14 



A Wild Mountain Sheep 4° 



The Way of the Wind at Timber-Line ... 52 



A Timber-Line Lake in Northwestern Colorado . . 64 



Lizard Head Peak in the San Juan Mountains . . 84 

 Photograph by George L. Beam. 



Alpine Pastures above Timber-Line, near Specimen 

 Mountain in the Rocky Mountain National Park . 104 

 Photograph by John K. Sherman. 



A t the Edge of the Arctic-Alpine Life Zone in the San 



Juan Mountains 116 



Photograph by George L. Beam. 



A Western Yellow Pine 126 



Crystal Lake; a Typical Glacier Lake ... . .15° 



Trapper s Lake 158 



Cricket, the Return Horse, at the Summit of the Pass 172 



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