616 



AGE OF MAMMALS 



horse of, 409, 417 ; post-Pleistocene, 

 428, 429. 

 Formations, 



geologic, 47, 48 ; kinds of, 55. 



FOHSHAY, 



on rate of deposition of Mississippi, 61. 

 Fort Union formation, 



flora, 95, 100, 101 ; correlation, 99, 100 ; 



section, 101 ; geology and fauna, 105, 



106, 109. 

 Fossil Lake, 



see Silver Lake. 

 Fraas, 



aqueous origin of White River formation, 



205; Steinheim, 261. 

 Frankstown Cave, 467, 470, 471. 

 Frohnstetten Bohnerz, 186, 187. 

 Furlong, 



Samwel Cave, 477, 478. 



Gaillard, 



Quercy phosphorites, 151, 152 ; La 

 Grive-Saint-Alban, 261. 



Galecynus, 528.* 



Galerix, 



affinities, 254 ; Vindobonian, 259 ; 520.* 



Galethylax, 527.* 



Gannat deposits, 190, 191. 



Gardner, 



evolution of grasses, 94. 



Gargas, lignites de, 145. 



Garzonia, 517.* 



Gaudry, 



discovery of polyphyletic law as applied 

 to mammals, 6 ; Miocene grasses, 244 ; 

 Pikermi fauna, 267, 268 ; Mont Leberon 

 fauna, 269 ; Chinese fossils, 333 ; mam- 

 mals of Durfort, 396 ; and Boule on 

 Pleistocene bear, 423. 



Gazella, 



Pontian, 269 ; Pliocene of Europe, 316, 

 319 ; Siwalik, 328 ; China, 334 ; Pleisto- 

 cene of North Africa, 432 ; 553.* 



Geikie, a., 



on rates of deposition by rivers, 62 ; 

 geology of Indian Tertiaries, 273, 326. 



Geikie, J., 



early Pleistocene geology and climate, 

 392, 393. 



Gelocidse, 188, 189, 191, 550.* 



Gelocus, 



Sannoisian, 189 ; Stampian, 191 ; 550.* 



Geniohyus, 201. 



Geomyidee, 



first appearance, 230 ; Miocene, 248 ; 

 Pliocene, 357. 



Geomys, 



Virgin Valley, 357 ; Silver Lake, 460 ; 

 Kansas Pleistocene, 464 ; 536.* 



Georgensgmiind deposits, 257, 258, 260. 



Georhynchus, 521.* 



Geotrypus, 521.* 



Gering formation, 231. 



GiDLEY, 



Ptilodus, 108 ; section on Llano Esta- 

 cado, 279 ; discovery of Ncohipparion 

 whitneyi, 298, 351 ; protohii)pine horses, 

 350, 365 ; Mylagaulida% 352 ; Tertiary 

 formations of Te.xas, 360, 361, 362 ; 

 discovery of six Equus scolti skeletons, 

 458 : Pleistocene horses, 484, 485. 

 Gilbert, 



Silver Lake, 459 ; Lakes Bonneville 

 and Lahontan, 447, 461, 468. 



GiLMORE, 



Pleistocene deposits of Alaska, 490. 



GiraffidjB, 



first appearance in Europe, 264 ; Siwalik, 

 328 ; 551.* 



Glacial Period, 



general southward migration during, 18 ; 

 indications of advent, 318 ; map of 

 Europe during, 376 ; temperature of 

 Europe during, 388 ; geologic divisions 

 in America, 435, 444, 445 ; maximum 

 glaciation in North America (map), 485 ; 

 followed by extinction of mammals in 

 North America, 500, 501, 504. 



Glossotherium, 541.* 



Glyptodon, 542.* 



Glyptodontidse, 



first appearance in North America 

 (Blanco), 363, 365; Peace Creek, 368; 

 American Pleistocene (disappearance), 

 438 ; Equus zone, 454 ; extinction in 

 North America, 500 ; 542.* 



Glyptotherium, 365, 366 ; 



zone, 360, 361, 362, 363, 364, 365, 366 ; 

 fossil remains partly exposed (photo- 

 graph), 360; outline restoration, 364; 

 carapace and tail figured, 365 ; 542.* 



Gomphotherium, 



Merycochcerus zone, 285 ; 558.* 

 {See also Trilophodon.) 



Goniacodon, 527.* 



Goodland deposit, 461, 462, 463. 



Goriach deposits, 257, 258, 260. 



Grandidier, 



on zoogeographic relations of Madagas- 

 car, 74. 



Granger, 



Wind River, 129 ; geology of Bridger 

 and Washakie, 160 ; Fayum exploration, 

 200. 



Grant, 



caribou, 422 ; effect of severe winters on 

 Cervidse, 503. 



Grasses, evolution of, 93, 94, 185, 244, 283, 

 351. 



Grays Thurrock deposit, 406, 407. 



Great Plains formations of North America, 

 54, 88, 89 ; 



Oligocene, 177, 204, 205, 206, 231, 232, 

 233, 234, 235, 236 ; Miocene and Plio- 

 cene, 278, 279, 297. 



Greenland, 



Basal Eocene flora, 104. 



Green River Shales, 135, 136 ; 



* Reference to classification. 



