170; interrelation with destruc- 

 tive insects, 173, 174, 186; 

 wood preserved by, 187. 



Forests, as wood-producers, 124; 

 as water-distributors, 124, 125; 

 other uses, 125; as moderators 

 of climate, 125, 126; as wind- 

 breaks, 126; delaying evapo- 

 ration, 126-129; necessary to 

 agriculture, 127, 128; as reser- 

 voirs, 128-130; as regulators of 

 stream-flow, 130; as makers of 

 soil, 131, 132; as bird-shelters, 

 I3 2 133; as sanitary agents, 

 133; evils following destruction 

 of, 134; preeminent in pro- 

 moting the general welfare, 

 !34 r 35l insect enemies of, 

 173-189; observations of a for- 

 ested and a deforested region 

 during a rain, 267-287; the 

 forest floor, 273, 274. 



Fort Garland, 112, 113, 118, 119. 



Fungi, enemies of trees, 183, 184. 



Fungus, false- tinder, 184. 



Glacier Gorge, 341, 347. 



Glaciers, work of, 247-250; 

 Muir and Henderson on, 250; 

 rate of movement, 251; Ara- 

 pahoe, 251, 255, 260, 261; 

 grinding and excavating pow- 

 ers, 251-253; moraines, 253- 

 255; lakes made by, 253, 343; 

 strange freight, 255, 256; min- 

 eral wealth, 256; making soil, 

 257; formation, 258, 259; in 



the Rocky Mountains, 258, 

 260-263, 338, 341-343; berg- 

 schlunds and crevasses, 260, 

 261 ; pleasures of investigation, 

 263. 



Grand Lake, 348. 



Grand River, '309; forest fires 

 on, 140-153. 



Granite Pass, wind in, 75-77. 



Greenwood, Grace, 337. 



Ground-hog, 282. 



Grouse, fleeing from a forest fire, 

 144. 



Hallett Glacier, 343. 

 Hallett Peak, 341. 

 Henderson, Junius, quoted, 250. 

 Home's Peak, 102. 



Ice, climbing with a dog over, 

 310, 314, 317-320. 



Insects, in the forest, 173-189; 

 interrelation with forest-fires, 

 173. 174. 1 86; beetles, 174-181 ; 

 weevils, 182; borers, 182; serial 

 attacks, 182, 183; interrelation 

 with parasitic plants, 183, 184; 

 seriousness of their ravages, 

 185, 1 86, 189; control of de- 

 predations, 187-189; wood- 

 peckers the enemies of, 193- 

 204. 



Ironwood, seeds, 300. 



Jay, crested, 149. 

 Jay, Rocky Mountain, or gray 

 jay, or camp-bird, 149, 180,223. 



353 



