634 



AGE OF MAMMALS 



Tortonian marine stage, 257. 

 Toussaint, 



Solutre cainp, 427. 

 Toiodon, .500.* 

 Toxodontia, 78, 560.* 

 Tragocerus, 



Pontian, 268, 269 ; China, 334 ; 553.* 

 Tragulidae, 



Miocene, 249 ; Burdigalian, 253 ; Si- 



waliks, .328; 551.* 

 Tragulus, 328, 551.* 

 Trechomys, 538.* 

 Trenton man, 499, 500. 

 Tricentes, 111, 526.* 

 Trichecodon, 395. 

 Triconodon, 515.* 

 Triglyphus, 518.* 

 Trigonias, 213, 557.* 

 Trigonolestes, 127, 547.* 

 Trigonolostida;, 127, 547.* 

 Trigonostylops, 560.* 

 Triisodon, 527.* 

 Trilophodon, 



angustidcns of Burdigalian and Vindo- 



bonian, 253, 254, 255, 259, 262, 275, 331 ; 



pygmcBus of Algerian Miocene, 254 ; 



pentelici of Pontian, 271, 331 ; pandionis 



of Miocene of India, 275 ; Deep River 



(?), Madison Valley, 281 ; proavus and 



brevidens of Ticholeptus zone, 292 ; 



productus of Clarendon, 299, 300, (skull 



figured) 299 ; Siwalik species, 331 ; 



restoration, 441 ; 558.* 

 Trilophomys, 311, 316. 

 Triplopus, 166, 168, 557.* 

 Tritemnodon, 



Wind River, 131, 1.33 ; Bridger, 161 ; 



skeleton figured, 163 ; 527.* 

 Tritubercular molar, 



of Triisodon figured 10; evolution of, 11. 

 Trituberculy, 



prevalence of among primitive forms 



demonstrated by Cope, 10. 

 Tritylodon, 518.* 

 Trochictis, 530.* 

 Trogolernur, 522.* 

 Trogontherium, 



Pliocene of England, 321 ; Norfolk 



Interglacial, 392, 396 ; mid-Pleistocene, 



Europe, 401 ; last appearance, 403, 



404 ; 535.* 

 Trogosus, 523.* 

 Tuhulidcntata, 68, 71. 



TULLBERG, 



on Africa as an evolution center, 70, 72. 



Tundra fauna, 



of Pleistocene, 388, 412, (summarized) 

 414, 415, (Schweizersbild) 418, (Kessler- 

 loch) 426 ; crowding out of, 419, 428. 



Turner, 



Pliocene flora of California, 344. 



Twelve-mile Creek deposit, 461, 463, 464. 



Typotherium, 561.* 



Uinta formation, 165, 166, 167, 168, 169, 170; 

 correlation, 42. 139, 153 ; location, 86, 

 87 ; sections, 1.55, 169 ; photograph, 168. 



Uintacyon, 127, 528.* 



Uintasorex, 522.* 



Uintatheriidffi, 132, 547.* 



Uintatherium, 



skeleton figured, 155 ; Bridger and 

 Washakie, 163, 164 ; zone, 163-166 ; 

 brain figured, 173 ; 547.* 



Ulm deposit, 193, 194. 



Upham, 



duration of Cjenozoic, 63 ; duration of 

 Pleistocene, 385. 



Urmiatheri um , 



Pontian, 270, 332 ; China, 334. 



Urocyon, 



Potter Creek Cave, 477 ; Conard Fis- 

 sure, 488 ; 528.* 



Ursavus, 261, 529.* 



Ursidse, 



Vindobonian, 255 ; Eurasiatic origin, 

 431 ; 529.* 



Ursus, 



bockhi (Pontian), 261 ; tninutus (Astian), 

 315 ; arvernensis (Sicilian), 318, .319 ; 

 arctos, 400, 403, 407, 423, 429 ; speheiis, 

 407, (characters) 423 ; Pleistocene of 

 North Africa, 433 ; arrival in Nor+h 

 America, 437, 438 ; americunus, (figured) 

 437, 469, (skull figured) 476, 477, 478, 

 488 ; Alaskan Pleistocene, 490 ; 530.* 



Urus, 



see Bos primigenius. 



Val d' Arno, 



fauna, 318, 320, 321 ; flora, 307 ; upper 

 deposits, 392 ; E. nieridionalis of, 398. 



Vermeil, lignites de, 186, 187. 



Vespertilio, 



Vindobonian, 259 ; Port Kennedy Cave, 

 469 ; 525.* , 



Vindobonian stage, 255-264 ; 



physiography, 246, 256, 257 ; correla- 

 tion, 249 ; palseogeographic maps, 256, 

 . 258. 



Virgin Valley formation, 356, 357 ; correla- 

 tion, 41 ; antelopes, 338. 



Vishnutherium, 551.* 



Viverra, 



Vindobonian, 259, 261 ; Astian, 315 ; 

 Siwaliks, 327 ; 531.* 



Viverravus, 



Wasatch, 127 ; Wind River, 134 ; 528.* 



Viverridse, 



Aquitanian, 197 ; Vindobonian, 259, 

 261 ; 531.* 



Voklinshofen deposits, 426 ; 



location and correlation, 391, 413. 



Voitsberg deposits, 257, 258, 260. 



Volcanic materials in North American forma- 

 tions, 90, 91. 



Vulpavus, 



Wasatch, 127 ; Wind River, 134 ; 528.* 



* Reference to classification. 



