INDEX. 
291 
Page. 
Tertiary in the CaQon of Desolation 170 
in the Pink Cliffs 190 
Thomomys 243 
borealis ~s 250 
Wta> 259 
bulbivorus 249,258 
clusius 250,263 
douglassii -. " 592 
fulvus ..~ 251, 261 
-laticeps 259 
rufescens - 251 
-talpoides <--* 249,250 
Thompson, A. H., Report of 133 
Thousand Wells, The 1H9 
Toom'-pin Wu-near 7 Tu-weap' 54, 58, 174, 175 
To-ro'-weap Cliffs 188 
Fault 186,196,199 
Valley 186 
Tower Park 54 
Trias in Glen Canon 177 
in the Vermilion Cliffs 190 
Triplet Falls 27 
Trumbull, Mount 131,200 
Tuca 236 
Tuean 236 
Tugan 236 
Tusayan, Province of 87 
Tuza 236 
U-in-ka-ret Mountains 131, 189 
described 199 
, Geological history of .. . ...-. 200 
Uinta Fold, relation to drainage system.. . 159 
-, younger than the Green River . . 152, 162 
Mountains 10,152,200,206 
, Canons of the 13,157 
Pago. 
Uinta Fold, Course of the Green River 
through the 18 
geology of the 152 
, portion east of the Green River. 20, 35 
, their base-level of ypsion 206 
River .-.'. 41 
Valley, House Rock....*... 192 
, Potato 136 
, To-ro'-weap 186 
, Won'-sits 44 
Valleys, Antecedent, defined 163 
J classified.. 160 
, Consequent, defined 163 
, Inter-hog-back 159,162 
of the Uinta Mountains, classified 161 
, Superimposed, defined , 166 
Vasey's Paradise 76 
Vermilion Cliffs , 112, 134, 180, 190, 200 
Creek 20 
Virgen River 41,104,106,109,197 
Volcanic cones 94,114,196,202 
mountains 6, 58, 117, 131, 177, 200, 2015 
Volcano, Extinct, on Shi'-wits Plateau 187 
Water-shed of Southern Utah 106 
Waves produced by rapids and by winds.. 23 
Western Kaibab fault 186,196 
Whipple, Lieutenant 199 
Whirlpool Canon 35,161 
WhiteCliffs 134 
River 5,30,32,41 
Won'-sits Valley * - 44 
Yampa Plateau 159 
River 5,30,32 
Zoology 214 
