692 



INDEX 



500, 509, 511, 652 ; Arau- 

 canian, 227 ; Deseado, 

 262, 264, 474; ParanA. 

 228 ; Santa Cruz, 246, 467 



tToxodontia, 60, 355, 461, 

 478, 485, 489, 492, 500, 

 514 ; Pleistocene, 215, 

 221 



tToxodontidae, 462, 474 



fToxodonts, see tToxodonta 



Tra?ulina, 54, 60, 408, 409, 

 410. (See Mouse-Deer) 



Transition zone, 147 (map) , 

 153 



Trapezium, 83 



Trapezoid, 83 



Tree-sloths, 591, 593, 594, 



595, 596, 609; Pleisto- 

 cene, 596 ; Santa Cruz, 



596. (See also Sloths) 

 Tremarctos, 172, 176 (fig.), 



517, 548, 552 



Treves, 10 



Triassic period, 15, 16, 642, 

 643 ; climate, 24 



tTriconodonta, 59 



Trier, cathedral of, 10 



fTrigodon, 227, 228 (head 

 restored), 462, 466, 473, 

 474 



fTrigonias, 256, 291, 336, 



337 (skull and front 



teeth fig.), 338, 339 



(manus fig.), 351 



Trigonolestes, 281, 361, 398 



Trigonolestidae, 361 



Trigonostylopidae, 509, 512 



"Trigonostylops, 509 

 Triisodon, 554, 561 



^Trilophodon, 229 



Trinidad, 170 



Trinomial system of no- 

 menclature, 52 



■fTriplopus, 266, 272, 343 

 (manus fig.), 345 



■fTritemnodon, 271 (restora- 

 tion), 555, 565 (teeth 

 fig.), 566 (do.), 567 

 (restor.), 576, 633 



tTrituberculata, 59 



Tropical species, distribu- 

 tion, 141 



Tse-tse Fly, 142 



Tuatara, 284 



Tubulidentata, 60 



Tuco-tuco,. 184 



Tuff, Miocene, 112, 122; 

 Santa Cruz, 124 



Turkestan, 419 



Turtles, 102 



Tusks, 92 



Tylopoda, 54, 60, 362, 386, 

 409, 410 ; Pleistocene, 

 202 



fTypothere, 243 (restora- 

 tion), 480 (do.), 636 (do.), 

 639 (do.) 



tTypotheres, see fTypo- 

 theria 



tTypotheria, 60, 215, 372, 

 462, 476 ; Araucanian, 

 227; Casa Mayor, 282, 

 479 ; Deseado, 263, 264 ; 

 ParanA, 228 ; Pleistocene, 

 215, 221, 476; Santa 

 Cruz, 246, 479 ; Tertiary, 

 215 

 tTypotheriidse, 462, 476 

 JTypotherium, 215, 217, 263, 

 462, 476, 477 



Uakaris, 578, 585 



Uinta age and stage, 11, 17, 

 110, 270, 271, 272, 301, 

 339, 345, 349, 365, 369, 

 370, 380, 383, 385, 386, 

 397-^00, 409, 443, 519, 

 527, 529, 557, 559, 573, 

 579 



Uinta Mts., 106, 108; 

 Pleistocene glaciers, 131 



•iiUintacyon, 555, 558 



tUintatheres, see fUinta- 

 theriidse 



tUintatheriidffi, 285, 443, 

 444, 445 (skull fig.), 451, 

 452, 454, 465, 509, 532; 

 Bridger, 269, 443; Wa- 

 satch, 279, 451; Wind 

 Eiver, 274, 450 



■^Uintatherium, 51, 271 (res- 

 toration), 443, 444, 445 

 (skull fig.), 447 (restora- 

 tion) 



Ulna, 80 



Unciform, 83 



Unconformity, 312 



Ungual phalanx, 84 



Ungulata, 60, 613, 516; 

 primitive, 460 ; Santa 

 Cruz, 481, 511; fshort- 

 footed, 443 ; South Ameri- 

 can indigenous, 461, 466, 

 469, 486, 489, 490, 500, 

 509, 511, 513, 514; White 

 River, 258 



Ungulates, see Ungulata 



Unguligrade, 91 



University of California, 31, 

 32 



Upheavals, Pleistocene, 132, 

 133 ; Pliocene, 132 



Upper Sonoran zone, 148, 

 164 



Ural, Mts., 106; Sea, 106, 

 108 



Urocyon, 162, 165 (fig.), 517 



^Urotrichus, 153 



Ursidae, 517, 518, 548 



Ursus, 90 (pes fig.), 156 

 (fig.),163, 517, 549 



Uruguay, 585 



Variant, 53 

 Varieties, 52, 662 

 Vegetation, Eocene, 111; 



Paleocene, 283. (See also 



Flora and Plants) 



Vermilingua, 187, 591 

 Vertebra, 68; caudal, 73 

 (fig.) ; cervical, 70 (fig.) 

 dorsal, 69 (fig.), 72 (fig.) 

 lumbar, 72, 73 (fig.) 

 sacral, 73 (fig.) ; thoracic, 

 69 

 Vertebral column, 67 

 Vertebrata, 55 

 Vesuvius, 30 

 Vicuna, 178 (fig.) 

 Virgin Valley stage, 127 

 Viscacaia, 183 (fig.), 185 

 ^Viverraous, 555, 558 

 Viverridse, 518, 553, 554, 



558 

 Viverrines, «ee Viverridse 

 Viviparous mammals, 59 

 Vizcacha, 183 (fig.), 185 

 Vizcachas, Pleistocene, 218 

 Volcanic ash, 29 ; Bridger, 

 110, 115; John Day, 116; 

 Santa Cruz, 124; White 

 River, 115 

 Volcanic dust, 29 

 Volcanic material, 6 ; Floris- 

 sant, 121; Miocene, 118; 

 Pliocene, 125 

 Volcanoes, 133 

 Voles, 182 

 Voltaire, 646 

 Vulcanism, Miocene, 118, 



121 ; Pliocene, 127 

 ■\Vulpa'irus, 555, 558 

 Vulpes, 149 (fig.), 150 (fig.), 

 158 (fig.), 517 



Waagen, W., 662 



Wallace, A. R., 136, 139, 

 150, 170, 171 



Walnuts, 102 



Walruses, 1, 45, 207, 210, 

 516 ; Pleistocene, 27, 132 



Wapiti, 50, 151, 155 (fig.), 

 181, 202, 208, 411, 412, 

 413 



Warm Temperate region, 

 161 



Wart Hog, 363 



Wasatch age and stage, 17, 

 106, 273, 274, 275, 285, 

 316, 325, 370, 398, 400, 

 451, 452, 453, 455, 457, 

 459, 560, 561, 566, 568, 

 571, 572, 580, 581 



Wasatch Mts., Pleistocene 

 glaciers, 131 



Wasatch-Spamacian stage, 

 115 



Water Hog, 183 (fig.), 185, 

 205,211. (See aiso Capy- 

 bara and Carpincho) 



Weasel, 551 ; family, 174 ; 

 Miocene, 238; Pleisto., 

 S. Amer., 213 ; tribe, 518 



Weasels, 59, 152, 517; 

 Miocene, 229, 238 ; Pleis- 

 tocene, 204, 205 



Weber, M., 426 



