INDEX 



685 



Casa Mayor, 282, 638, 

 642; Deseado, 261, 638, 

 642 ; distribution, 138 ; 

 flesh-eating, 553 ; herbiv- 

 orous, 59 ; insectivorous, 

 59 ; Miocene, S. Amer , 

 226 ; Paleocene, 284 ; 

 Parana, 227, 634, 641; 

 predaceous, 627, 632 ; 

 Puerco, 286, 642; Santa 

 Cruz, 244, 635, 640; 

 South American, 190, 

 638 ; Torrejon, 285, 642 ; 

 Wasatch, 276 ; White 

 River, 251 



Marten, 551 



Martens, 152, 231, 517, 

 550, 551 ; Miocene, 229 ; 

 Pleistocene, 204 



Maries, 517 



tMastodon, 207, 426, 590; 

 American, 195 (restora- 

 tion), 196, 207, 229 

 (molar fig.) 428, (res- 

 toration), 429, 437 (head 

 fig.). 438, 439, 448 ; Mio- 

 cene, 431 (head restored) 



^Mastodon, 429, 430, 437 

 (head and molar fig.) ; 

 ^M. americanuSy see 

 tMastodon, American ; 

 \M. andium, 436 



tMastodons, 60, 264, 430, 

 438 ; Blanco, 222 ; early, 

 432; Miocene, 229, 234; 

 Pleistocene, N. Amer., 

 196, 211; Pleisto., S. 

 Amer., 215, 221, 436; 

 PUocene, 225; Tertiary, 

 429 



Matthew, W. D., 241, 257, 

 407, 409, 414, 531, 532, 

 540, 542, 546, 547, 565, 

 566, 657, 659 



Mazama, 180, 181 (fig.), 362 



Meadow-mice, 153, 182, 218 



Mediterranean, Eocene, 

 104, 106 



fMegalictis, 517, 551 



tMegalocnus, 592, 604 



tMegalonychidse, 592, S9S, 

 610 



fMegalonychotherium, 592 



^Megalonyx, 195 (restora- 

 tion), 206, 219, 221, 592, 

 597, 604, 607 



^Megamys, 226 



\Megatheriidce, 591, 598, 607 



\ Megatherium, 206, 212 

 (restoration), 220 (do.), 

 591, 597, 599, 602, 604, 

 608 



Mellivora, 551 



fMeniscotheriidfe, 457, 458 



fMeniscotherium, 457, 458, 

 459 (restoration) 



Menotyphla, 59 



Mephitis, 153, 167 (fig.), 

 517, 552 



Mehriam, C. H., 140, 141, 



147, 148, 150, 161 

 Merriam, J. C., 31, 32, 



538,543 

 ^Merychippus, 291, 297, 



298 

 ifMerychyus, 232, 361, 372, 



373, 374, 377, 381, 382 

 ■fMerycochcerus, 241, 361, 



372, 373 (head restored), 



374, 376, 381, 382 (manus 

 fig.) 



tMerycodontidsB, 362, 414 



\Merycodus, 224, 362, 414, 

 415 (restoration), 417 



■fMerycoidodon, 252 (res- 

 toration), 258, 259 (do.), 

 361, 379 (skull fig.), 382 

 (manus fig.), 536 (res- 

 toration) 



fMesatirhinus, 271 (res- 

 toration), 314 (do.) 



Mesaxonic symmetry, 359 



fMesocyon, 517, 528, 530 



iMesohippus, 252 (res- 

 toration), 290, 300 (res- 

 tor.), 302, 305 (skull fig.), 

 308 (manus and pes fig.), 

 326, 342, 343, 396, 397, 

 505 



tMesonychid, 269 (restora- 

 tion), 271 (do.) 



tMesonychidse, 554, 556, 

 558, 574; Bridger, 268, 

 559 ; Torrejon, 285, 560 ; 

 Uinta, 265, 559; Wa- 

 satch, 277, 560; Wind 

 River, 274 



fMesonyx, 554, 559 (teeth 

 fig.), 561 



fMesoreodon, 361, 372, 378 



Mesozoic era, 15, 16, 18, 23, 

 103, 284, 574, 632, 643 



Metacarpal, 84 



Metacarpus, 83 



fMetacheiromys, 592, 616 



\Metamynodon, 255, 291, 

 346, 347 (restoration), 

 352, 510 



Metapodial, 90 



Metatarsal, 89 



Metatarsus, 89 



Metatheria, 626 



fMeteutatus, 592 



Mexico, 33, 179, 181, 199, 

 200, 207, 229, 419, 427, 

 585; Eocene, 104; low- 

 lands, 142, 146, 164; 

 mammals, 135, 141, 142; 

 Miocene, 118, 121; 

 plateau, 142 ; Phocene, 

 125 



fMiacidce, 527, 530, 554, 

 555, 556, 557, 562, 576; 

 Bridger, 268; Torrejon, 

 285; Uinta, 519, 558; 

 Wasatch, 277, 279 ; 

 Wind River, 274 



iMiacis, 555, 558 



Mice, 60, 244; groove- 

 toothed, 182 ; John Day, 

 249 ; jumping, 182 ; 

 Miocene, 229 ; Pleisto- 

 cene, S. Amer., 218; 

 vesper, 182 ; white- 

 footed, 153, 164, 182; 

 White River, 254 



fMicrobiotherium, 627 



Microtus, 153, 218 



Midas, 578 



Migration, of birds, 143 

 of mammals, 18, 19, 143 

 of tliysenodonts, 567 

 between N. and S. Amer, 

 129 ; Oligocene, 254 

 Pleistocene, 207, 211 

 pre-Wasatch, 108 ; of 

 Proboscidea, 441 ; White 

 River, 116 



Milk-dentition, 94 



Mink, 152 (fig.) 



Minks, 213, 518, 550; 

 Pleistocene, 204 



Miocene epoch, 17, 33, 112 ; 

 North America, 117, 119 

 (map), 233, 249, 251, 

 284, 386, 420, 421, 438, 

 554,658,661; European, 

 235, 364, 435, 441, 550; 

 South American, 20, 123, 

 242, 261, 553, 640 



fMiohippus, 290, 299 



fMiolabis, 362, 391 



Mississippi, Embayment, 

 104, 117; VaUey, loess 

 of, 133 



Missouri River, drowning 

 of bison in, 36 



Mitchell, P. Chalmers, 

 52 



'fMoeritherium, 434, 437 

 (head and molar fig.), 

 438, 439, 440, 441, 442, 

 450 



Molars, 93 



Mole, 2 ; Star-nosed, 152 



Moles, 59, 77, 89; Amer- 

 ican, 163; Bridger, 268; 

 golden, 245 ; White 

 River, 253 



Mole-shrews, 153 



Mongoose, 142 



Monkeys, 2, 60, 141, 282, 

 283, 284, 577, 578, 582; 

 Bridger, 270 ; eastern 

 hemisphere, 172 ; howl- 

 ing, 578, 585: Neo- 

 tropical, 172, 536; X-w 

 World, 583, 587; Old 

 World, 583, 587 ; Pleisto- 

 cene, 218, 586; Santa 

 Cruz, 245, 586, 587; 

 South American, 578, 

 583, 587; spider. 578, 

 584 ; Wind River, 275 



Monodelphia, 58. 59, 145 



Monotremata, 59 ; distri- 

 bution, 138 



