INDEX. 



545 



Page. 



Terefrrafwto (Dielasma) bovidens HO 



elongata - ^0 



genicidosa 410 



hastata 410 



imbricata 388 



rtmrcyi - 304 



vdllepunciaia 409, 410 



monnoni 411 



peruviana 406 



planosulcata 403,406,408 



pagnus 412 



roissyi 403 



royssii 406 



serpentina 303 



mbtilila 403,404 



uta 412 



Textularia gibbosa 269 



sp 269 



Tilden, G. C, cited on section at Battle Mountain... 157,158 



cited on section at Red Cliff 56 



reference to 148 



Tonto group, age of 32 



Trias.sic (?) roclis, occurrence, character, and thick- 

 ness of 182-209 



Trilobites 81 



Trilobus 477 



Trinidad, roclis exposed near 96 



Triplophyllum 272 



Trout Creek, sections on and near 106, 144, 151, 1.52 



Turbo iabtdata 4.56 



Turritellaf stevev^aiia 459 



TJ. 



Uinta formation, unconformity preceding 204 



Uinta Mountain.^, Cambrian rocks in 143, 203 



Carboniferous rocks of 166-167, 204-205 



fossils from 231-232 



Jurassic rocks of 204 



stratigraphy in 196-200 



Triassic rocks in. thickness of 205 



Uinta Mountain region, literature on, resume^ of 28-51 



location of 27 



fossils from, description of 320-322, 



340, 311-ai2, 400-403, 476 



Uinta sandstone, age and equivalents of 32, 



38, 197, 198-199, 202, 203, 207, 208, 210 



character and thickness of 32, 197, 202 



fossils of 199 



unconformity between Lodore group and 30 



Uinta series, equivalents of 198 



Ulrich, E. O., acknowledgments to 8 



Unconformities, occurrence of 263 



Upper Aubrey group, thickness of 204 



Upper Carboniferous faunas, discussion of 231-267 



Upper Coal Measure series, occurrence of 206-2C7 



Ute quartzite, age of 41 



Valvulinasp 209 



Van Diest, E. C. and P. H., cited on Carboniferous 



rocks of Sangre de Cristo Range 181 



cited on rocks of Sangre de Cristo Range 150 



cited on Sawatch quartzite 166 



cited on Yule limestone 166 



report by, r6sumi5 of 96-97 



Vermilion Cliff group, age of 198 



14364r-No. 16—03 35 



Page. 



Vermilion Cliff group, thickness of 204 



Vermilion Creek Canyon, fossils from 46 



Walcott, C. D., cited on age of Millsap formation 170 



cited on fossi's from vicinity of Canyon 224 



cited on fossils of Millsap limestone 168 



cited on Paleozoic of Kanab Canyon 36 



cited on Tonto and Lodore groups 32 



fossils identified by 220 



reference to 16 



section near Canyon cited from 116, 153-154 



Walsenburg quadrangle, rocks exposed in 119-120, 189 



Wasatch limestone, age and equivalents of , 40, 



41,200,201,204,209 



Wasatch Mountains, Cambrian rocks in 203 



Paleozoic rocks of 200-201 



section of 40 



Waverly formation, equivalents of 214 



Weber formation, age and equivalents of 55, 210 



character and thickness of 55, 66, 171-172, 179, 202 



fossils from 171-172, 233, 238, 



240-245, 258-267, 331, 341-345, 347-349, 355-356, 358- 

 361, 364-367, 370-371, 379-380. 38^385, 392-394, 415- 

 416, 419, 422-424, 432-435, 441, 443-444, 445-447, 453- 

 454, 455, 4.58, 467-469, 470-471, 473-475, 476, 478, 480 



name of, origin of 171 



Weber grits, age and equivalents of 178, 207, 212, 264 



character and thickness of 176-177, 178, 240 



Weber limestone, age and equivalents of 175, 



201,235-239,263,264 



fossils from, descriptions of 235-239, 319, 322-324, 331, 



332, 333, 335-336, 347-349, 352-3.54, 359-361, 364-367, 

 372-380, 383-385, 392-394, 396-400, 403-407, 420-421 



Weber quartzite, age and equivalents of 41, 



42, 202, 207, 208, 210 



fauna of 208-209 



thickness of 201 



Weber shale, age and equivalents of 175, 200, 201, 263, 264 



character and thickness of 176, 200, 240 



Weeks, F, B., work of 10 



Weller, Stuart, acknovpledgments to g 



cited on distinctive features of species of Eumetria . 302 



West Creek, rocks exposed on '. 135 



White. C. A., cited on Carboniferous faunas of Uinta 



Mountains 31 



cited on Devonian fossils in Colorado 161 



cited on similarity of Uinta sandstone and Car- 

 boniferous rocks 207 



cited on thickue.':..) of rock groups of the Uinta sec- 

 tion 37 



fossils identified by , 232, 286, 291, 315 



references to 13, 29, 33, 35, 38, 39, 51 



rL'esumii of report by, on northwestern Colorado. . 38-51 



White Cliff group, age of 198 



thickness of 204 



White River, Lower Carboniferous rocks on 170 



White River district, report on, r(5suin6 of 69 



Whitfield, R. P., fossils identified by 221,241 



Wieser, Frances, acknowledgments to 9 



Williams, S. G., cited on rocks near Oil Creek 116 



work of 12 



Wooster, L. C, fossils collected by 226 



Worthenia? lasallensis? 249, 251, 261, 467 



marcouiana? 243, 253, 261, 457-458 



sp. a 243, 261, 458 



sp. b 233,458 



