830 GENEEAL INDEX. 



Snake Eiver Basin 15,36,57 



Valley, report by N. P. Langford on resources of 86 



Soap Kettle Spring , 246 



Soda Butte 45 



Geyser 148 



Solfataras 135 



Solitary Geyser 242 



South Gros Ventre Butte 266 



Park 371 



Pass. (See Henry's Pass.) 



Platte to Cheyenne 327 



Spanish Creek , 77 



Sparrows '. 678 



Spermophile, Townsend's 664 



Spring, Boiling 54,102 



Bulging 246 



Canon 30,77,113,404,435,473 



Coral Pool 247 



Creek 28 



Fork 224 



Giant's Cauldron 140 



Gourd 142 



Jug 143 



Kidney 143 



Lone , 143 



Mush-pot 130 



Oak-leaf 142 



Eosette 246 



Soap Kettle 246 



Sulphur 54 



Stirrup 143 



Thud 142 



Washtub 269 



Si)rings, Bear Eiver 173 



boiling, analyses of 102 



calcareous , - 54,55 



Colorado 375,475 



at Crater Hills 137 



fungoid 142 



Half-Tvay 147 



hot 51,52,54,122,128,135, 175,230,269 



analyses of 125, 137, 145, 151, 153, 154, 156, 157, 158 



catalogue of 175 



elevation and temperature of , 122, 123, 135, 136, 137, 141, 142 



mud 51 



at mud volcanoes * 142 



temperature of 103,122, 128, 134 



thermal, analyses of 175 



at Violet Creek 135 



Sphyux Peak 79 



Squirrel, line-tailed 663 



Missouri striped 663 



red 663 



Say's striped 664 



Starlings 686 



Steady Geyser 143, 236 



Streams, direction of 282, 292 



Stirrup Spriug 143 



Stone implements, illustrations of 651, 6.53, 655 



Stuart, Granville, notes on the climate of Montana by 809 



Sulphur Spring 54 



Table of analysis of geyserites 158 



contents iii 



distances and elevations 94, 95, 284, 290, 799, 801, 804, 814 



distribution of fossil-plants -^ 410 



Taggart's Lake , - 264 



Tahgee Pass. (See Tygee Pass.) 



Taaagers 678 



Taylor's Bridge , 209 



