486 



ALPHABETICAL INDEX. 



Siredon maculatus, 337*. 

 " mexicanus, 337*. 

 Sisymbrium canescens, 384*. 

 Sisyrinchium bermudiana, 397*. 

 Small-pox, 253. 

 Smith's Fork, 230, 276*, 281* 

 Smith, Joseph, 124. 

 Smithsonian Institution, 53. 

 Snapping-turtle, 28. 

 Snowbud, Oregon, 316*. 

 Soft-shelled turtle, 23. 

 Solidago missouriensis, 387*. 

 South Pass, 70, 274*. 

 Spanish Fork, 294*. 

 Spermophilus 13-lineatus, 312*. 

 Spiraea dumosa, 387*. 



" opulifolia, var. 387*. 

 Spiritual wives, 136. 

 Spirifer, 16, 18, 19. 



" hemiplicata, 409*. 



*' octoplicata, 409*. 



" triplicata, 410*. 

 Spring Camp, 270*. 

 Spring Creek, 215, 290*. 

 Spring Valley, 118. 

 Slate, 208. 

 Stampede, 16, 222. 

 Stansbury Island, 297*. 

 Staphylinus villosus, 375*. 

 Steuopelmatus fuscus, 372*. 

 Stenotus ciespitosus, 389*. 

 Stephanomeria minor, 208. 



" runcinata, 391*. 



Stethoxus triangularis, 374*. 

 Stipa striatus, 209. 

 Strawberries, 23. 

 Streptanthus crassicaulis, 383*. 



" sagittatus, 384*. 



Strepletasma, 173, 211. 

 Strix cunicularia, 37. 

 Strong's Knob, 195, 199, 202, 297*. 

 Sturnella neglecta, 316*. 

 SufiFerings for want of water, 108. 

 Sulphur Creek, 226, 280*, 300*. 

 Sulphur Springs, 101, 213, 236, 282* 

 Summary of Mormon faith, 135. 

 Summary of work done, 216. 

 Survey of lake completed, 211. 

 Swan, 100, 321*. 

 Sweetwater, 238. 

 Sweetwater River, 63, 274*. 

 Symphemia semipalmata, 320*. 

 Syringopora, 211. 



T 



Tanning, Use of alum in, 421. 



Tar-spring Creek, 77. 

 Teal, Red-breasted, 322*. 



Teal, Green-wing, 822*. 



Tellinomya protensa, 412*. 



Temperature of spring water, 49. 



Terebratula, 401. 



Terebratula subtilita, 409*. 



Teton Peak, 286*. 



Tetradymia nuttallii, 391*. 



Tetrao urophasianus, 70, 319*. 



Thaspium montanum, 389*. 



Thirty-two Mile Creek, 271*, 272*. 



Three Buttes, 93. 



Thunder storm, 221. 



Timber, 70, 94, 218, 250. 



Timber, character of, 79. 



Timpa Creek, 294*. 



Timpanogas, 215. 



Timpanogas River, 294*. 



Titmouse, black-head, 316*. 



Tophet, 189. 



Tradescantia, 32, 34. 



Trap dikes, 222. 



Trees, their destruction by fire, 32. 



Triangles, tabulation of, 298*. 



Triglochin maritimum, 396*. 



Triteleia grandiflora, 397*. 



Trochalus explanatus, 374*. 



Trona, 420*. 



Tropidolepis scincicaudus, 348*. 



Trout, 77, 93, 94, 141, 241. 



Tufa, 202. 



Tuilla Valley, 18. 



Turkey Creek, 23, 271*, 291*. 



Turn Creek, 291*. 



Turret Rock, 181. 



u 



Uintah Mountains, 73. 

 Uintahs, 120. 

 University, 143. 

 Uta, 344*. 



" ornata, 344*. 



" stansburiana, 345*^ 

 Utah Creek, 294*. 

 Utah Indians, 202. 



Vache a lait, 175. 

 Vegetation, change of, 50. 

 Vermilion Creek, 292*. 

 Vicia americana, 385*. 

 Viola pedunculata, 383*. 

 Volcanic rocks, 87. 

 Vulpes macrourus, 809*. 



