^YiU]C 



landing on horns, 28, 29; shape 

 and size of horns, 29, 30; a 

 wild leap, 30-32; accidents, 

 32, 33; an agile ram, 33-35; 

 hoofs, 35; size, color, and other 

 characteristics, 35, 36; species 

 and range, 36, 37; in winter, 

 37; excursions to the lowlands, 



37, 38; composition of flocks, 

 38; craving for salt, 38; lambs, 



38, 39; near approach to, 40; 

 a ram killed by a barbed-wire 

 fence, 40, 41 ; the flock on Bat- 

 tle Mountain, 41-46; fights, 

 44-46; threatened extermina- 

 tion, 46; at high altitudes, 

 105-107; watching a forest 

 fire, 142 ; clings to the heights 

 in snowy times, 266, 267. 



Shoshone Peak, 339. 



Silver Lake, 157. 



Silver^on, 171. 



Snow, on summits of the Rocky 

 Mountains, 103; and animal 

 life, 259-275; a great snow, 

 268; and the Chinook wind, 

 269. 



Snow-slides, started by dyna- 

 mite, 79; a prospector out- 

 witted, 79-84; habits, 81; ob- 

 servation of, 84-86; classifi- 

 cation, 87-90; coasting on a 

 slide, 91-94; a large slide, 94- 



97-. 

 Solitaire, Townsend's, 64, 154, 



241. 

 South Cheyenne Caiion, 298- 



300. 

 South Park, 229. 

 Sparrow, white-crowned, 64, 102, 



115. 154- 



Specimen Mountain, 38, 335, 



337. 343. 344- 



Sprague Glacier, 153, 337. 



" Springfield Republican," quot- 

 ed, 230, 231. 



Spruce, Douglas, 140. 



Spruce, Engelmann, 61. 



Squirrel, Fremont, or pine, 64, 



344- 

 Squirrels, and deep snow, 270, 



271; hibernation, 271. 

 Stone's Peak, 338, 341. 

 Storm Peak, 349. 

 Switzerland, conservation of 



scenery in, 313-315. 323. 327- 



Telluride, 171, 172, 174-176, 

 183. 



Thatch-Top Mountain, moun- 

 tain sheep on, 23-28. 



Thunder Lake, 157, 158. 



Timber-line, characteristics of, 

 49-58; altitude, 50, 59, 60, loi ; 

 determining factors, 58, 59; 

 temperature, 60; species of 

 trees at, 60, 61 ; age of trees at, 

 61, 62; animal life at, 63, 64; 

 flowers at, 65; impressions at, 

 65, 66; animal life above, loi, 

 102, 105-115; flowers above, 

 I 16-120. 



Trapper's Lake, 157. 



Trees, species at timber-line, 60; 

 age at timber-line, 61, 62; re- 

 sistance to fire, 128-130; meth- 

 ods of reproduction, 214-216; 

 tolerance and intolerance, 216- 

 218; of Pike's Peak, 308. See 

 also Timber-line. 



Trout Lake, 157, 176. 



Twin Lakes, 157. 



362 



