INDEX
N. B.—The most important references are in heavy-faced type; technical names of genera and species are italicized, though most of the specific names are omitted as unnecessary. Extinct groups are indicated by a dagger (†).
- Aard Vark, 60
- †Abderites, 627, 641 (jaw fig.)
- †Achænodon, 273, 361, 369 (skull fig.), 370
- †Achænodonts, Bridger, 369;
- Uinta, 369;
- Wasatch, 370
- †Acœlodidæ, 477
- Adaptive radiation, 655
- †Adinotherium, 462, 473, 474 (restoration)
- †Adpithecus, 462
- †Ælurocyon, 517, 551
- †Ælurodon, 517, 527
- Ælurus, 546
- Africa, 184, 245, 328, 332, 417, 419, 421, 422, 426, 442, 458, 481, 551, 579, 642, 656;
- elephants of, 138;
- mammals of, 145;
- zoölogy of, 146
- Agassiz, L., 129
- Age, geological, 15
- Agouti, 185 (fig.)
- Agouti, 183 (fig.), 185
- Agoutis, Pleistocene, 218
- †Agriochœridæ, 247, 250, 361, 383, 484, 652;
- Eocene, 383;
- John Day, 250, 383;
- Oligocene, 383;
- Uinta, 267, 385;
- White River, 268, 383
- †Agriochœrids, see †Agriochœridæ
- †Agriochœrus, 252 (restoration), 361, 383 (skull fig.), 384 (restoration), 385 (manus fig.)
- Alachua stage, 127, 225
- Alaska, 103, 106, 197, 199, 202, 203, 332, 418, 419, 420, 427, 433;
- †Mammoth in, 40;
- Miocene of, 118;
- Oligocene of, 113;
- Pleistocene glaciation in, 131;
- volcanoes, 133;
- Pliocene of, 125
- †Albertogaudrya, 509, 512
- Alce, 65, 151, 156 (fig.), 202, 208, 362, 411, 412
- Allen, J. A., 141, 161
- Alligators, 102
- †Allothere, Paleocene., 642 (skull fig.)
- †Allotheria, 59, 627, 642
- Alouatta, 578, 585
- Alps, Arctic animals and plants of, 193;
- Eocene, 104
- †Alticamelus, 224, 362, 388, 391;
- restoration, 236
- Amazon, 585;
- as barrier to species, 137
- †Amblypoda, 60, 443, 508;
- Bridger, 269, 445;
- Eocene, 443;
- Puerco, 286, 454;
- Torrejon, 285, 453;
- Wasatch, 277, 452;
- Wind River, 274, 450, 452
- †Amblytatus, 592
- Ameghino, F., 228, 263, 467, 471, 476, 496, 497, 613
- America, connections of North and South, 123
- American †Mastodon, 196;
- restoration, 195
- Americas, marsupials of, 138
- Amherst expedition, 487
- Amphibia, 55;
- as ancestral to mammals, 643
- †Amphicyon, 517, 524, 525, 530
- †Amphicyons, 558
- †Amphidolops, 627
- †Amphiproviverra, 627, 637;
- skull fig., 637
- †Amynodon, 272, 291, 340, 348, 349
- †Amynodontinæ, 291, 340, 341, 346, 350, 351, 353;
- Bridger, 272, 350;
- Oligocene, 339;
- Uinta, 266, 348;
- White River, 255, 346.
- †Amynodonts, see †Amynodontinæ
- †Anacodon, 277, 554, 561
- †Analcitherium, 592
- †Anaptomorphidæ, 578, 583
- †Anaptomorphus, 281, 578, 581;
- head restored, 581
- †Anchitherium, 290, 299
- Ancon sheep, 660
- †Ancylopoda, 60, 291, 353;
- Bridger, 357;
- Miocene, 238, 355;
- Pliocene, 224, 355
- Andes, 178, 179, 180, 185, 189, 211, 213, 322, 548;
- Eocene, 112;
- Miocene, 124;
- Pleist. glaciation, 133, 134;
- Plioc. 128, 129
- Andrews, C. W., 422, 435
- Antarctic continent, 103, 123, 638
- Ant-Bear, 91, 187, 188 (fig.), 206, 591, 355, 600, 601, 615
- Anteater, Collared, 187, 188 (fig.);
- Lesser, 591;
- tree, 591;
- Two-toed, 188
- Anteaters, 60, 75, 94, 187, 189, 591, 593, 596;
- Pleistocene, 218, 596;
- Santa Cruz, 245, 596;
- scaly, 60, 353;
- spiny, 57, 59
- Antelope, 202;
- bones of, 35;
- Mioc. restored, 237;
- Prong-horned, 5, 162 (fig.)
- Antelopes, 54, 60, 222, 312, 362, 409, 416, 418;
- flat-horned, 417;
- goat-horned, 417;
- Miocene, 235, 417;
- Old World, 202;
- Pleistocene, 202;
- Pliocene, 224;
- S. Amer., 213, 215, 221, 418, 466;
- strepsicerine, 225, 417;
- Tertiary, 419;
- twisted-horned, 417
- †Anthracotheres, see †Anthracotheriidæ
- †Anthracotheriidæ, 259, 266, 361, 370, 381, 384, 386
- †Anthracotherium, 259, 361, 371
- Anthropoidea, 60, 578, 579, 580, 582
- Anthropoids, see Anthropoidea
- Antigua, 134
- Antilles, Eocene, 112;
- Miocene, 123;
- Oligocene, 117;
- Pliocene, 128
- Antillia, 112;
- Oligocene, 117
- Antilocapra, 162 (fig.), 202, 225, 362, 416, 417
- Antilocapridæ, 362, 416
- Antilopidæ, 416
- Antler, 411
- Antwerp, 37
- Apar, 592
- Apes, 60, 577, 578, 582, 583;
- night, 585
- †Aphelops, 291
- Aplodontia, 153, 233 (see Sewellel)
- Aplodontiidæ, 249
- Appalachian Mts., 101, 150, 153
- Aquatic habits, 2
- Araucanian stage, 128
- Arboreal animals, 2, 77, 84
- Archæan period, 15
- †Archælurus, 249, 517, 541, 543
- †Archæohyracidæ, 462
- †Archæohyrax, 462
- †Archæopithecidæ, 462, 477
- †Archæotherium, 259, 361, 367;
- manus fig., 367;
- restoration, 252, 260;
- skull fig., 367;
- teeth fig., 368
- Arctic, archipelago, 125;
- islands, 210;
- fauna in Pleisto., 128;
- mammals, 109;
- regions, 128;
- Cretac. climate of, 26;
- Sea, 106;
- shells, Pleisto., 27;
- species, distribution of, 141;
- zone, 147 (map), 148
- †Arctocyonidæ, 554, 557, 561, 575;
- Torrejon, 285;
- Wasatch, 561
- †Arctotherium, 211, 517, 549, 553;
- head restor., 549
- Argentina, 180, 185, 211, 213, 215, 218, 219, 245, 324, 391, 418, 436, 463, 466, 531, 586, 596, 597;
- drought in, 33;
- plains of, 133;
- Pliocene of, 20, 128;
- spread of horses and cattle in, 142
- †Argyrohippus, 476
- Arid province, 164
- Aridity, evidences of, 24
- Arikaree age, or stage, 17, 120, 235, 259, 356
- Armadillo, 5, 162, 591;
- 6-Banded, 189 (fig.), 592;
- 7-Banded, 592;
- 9-Banded, 190 (fig.), 592, 593;
- 11-Banded, 592;
- Bridger, 268, 616;
- Giant, 190, 592, 612, 656;
- Pygmy, 592;
- restoration of Santa Cruz, 243, 480
- Armadillos, 60, 97, 141, 185, 189, 592, 593, 594, 595, 610, 623, 624, 625;
- Araucanian, 226;
- Casa Mayor, 282, 595;
- Deseado, 262, 595, 616;
- Paraná, 228;
- Pleistocene, 218, 596, 612, 613;
- Santa Cruz, 245, 596, 612.
- (See also Dasypoda and Dasypodidæ)
- Artiodactyl, †primitive, restoration, 252
- Artiodactyla, 54, 55, 60, 69, 247, 284, 310, 355, 358, 402, 459, 460, 491, 507, 514;
- Araucanian, 226, 227;
- Blanco, 222;
- Bridger, 273;
- classification, 361;
- John Day, 250;
- Miocene, 231, 235, 239;
- Neotropical, 176;
- North American, 176;
- Old World, 176, 362;
- Pleisto. N. Amer., 201;
- S. Amer., 213;
- Pliocene, 224;
- †Primitiva, 60, 361, 370;
- Uinta, 266;
- Wasatch, 281;
- White River, 255, 257;
- Wind River, 275
- Ash, volcanic, 29
- Asia, 106, 239, 254, 258, 280, 317, 321, 328, 332, 352, 355, 369, 386, 390, 408, 413, 414, 417, 418, 419, 422, 426, 546, 550, 552, 579, 644;
- circumpolar area, 148;
- elephants of, 138;
- hyracoids of, 138;
- Minor, 458;
- Pleisto. glaciation of, 130;
- zoölogy of, 146
- †Asmodeus, 462
- Asphalt, 31
- Ass, 52
- Asses, 213, 292, 308
- †Asterostemma, 592, 623
- Astragalus, 88
- †Astraponotus, 509, 512;
- Beds, 20, 281, 282, 476, 479, 487
- †Astrapothere, Santa Cruz, restoration of head, 243
- †Astrapotheres, see †Astrapotheria
- †Astrapotheria, 60, 489, 508, 514;
- of †Astraponotus Beds, 282;
- Casa Mayor, 283, 512;
- Deseado, 264, 512;
- Patagonian, 512;
- Santa Cruz, 247, 508
- †Astrapothericulus, 509, 512
- †Astrapotheriidæ, 509
- †Astrapotherium, 243 (restor. of head), 509, 510 (restor. of head)
- Ateles, 578, 584
- Atlantic coast, Eocene, 104, 111, 117;
- Miocene, 117, 120;
- Oligocene, 113, 116;
- Paleocene, 101;
- Pliocene, 125;
- Tertiary mammals of, 369
- Atlantic Ocean, 106, 109;
- connection with Pacific, 104
- Atlas, 70 (fig.)
- Auditory bulla, 66
- Australia, 14, 21, 57, 58, 138, 140, 307, 340, 426, 461, 520, 550, 634;
- marsupials of, 626;
- Miocene, 123;
- Permian glaciation, 25;
- Pleistocene, 632, 634;
- rabbits introduced, 142;
- zoölogical peculiarity of, 145
- Australian region, 640
- Axis, 71 (fig.)
- Axis, 46, 412
- Azara, 34
- Baboons, 577, 582
- Bad Lands, 107 (fig.)
- Badger, 153, 162, 163, 168 (fig.), 517
- Badgers, 174, 213, 518, 550, 551, 552;
- Pleistocene, 203, 204, 205
- Bahia Blanca, 129
- Bandicoots, 626
- Barriers to spread of mammals, 139
- †Barytheria, 60
- Basal Eocene, 99
- Bassariscus, 517, 546, 547
- Bat, 89
- Bates, H. W., 585
- †Bathyopsis, 275, 443, 450, 451, 455
- Bats, 59;
- absence from Amer. Tertiary, 39;
- in European Tertiary, 39;
- West Indian, 191
- Bear, Alaska Brown, 156 (fig.);
- African, 548;
- Black, 90 (pes fig.), 548 (teeth fig.);
- Pampean, 622;
- Polar, 148 (fig.), 548;
- †Short-faced, 549 (restor. of head);
- South American, 552;
- Spectacled, 172 (fig.), 176, 517, 548
- †Bear-dog, 222;
- Miocene, 525 (restoration);
- primitive, 523 (skull fig.)
- †Bear-dogs, 523, 524, 530, 554, 558;
- John Day, 249;
- Oligocene, 526;
- Pliocene, 222;
- Pleistocene, 524
- Bears, 4, 59, 90, 152, 163, 517, 518, 519, 548, 553, 554;
- Old World, 204;
- Old World origin of, 518, 549;
- Paraná, 227;
- Pleistocene, 203, 204, 549;
- Pliocene, 223;
- polar, 141;
- †Short-faced, 210, 211, 517, 549;
- true, 211, 527, 549.
- (See also Ursidæ)
- Beast, 1
- Beasts of prey, 59, 92
- Beaver, 2, 44, 157 (fig.);
- dentition, 96 (fig.);
- †Giant, 195 (restoration), 205, 311, 222
- Beaver Creek, Wyo., 12 (fig.)
- Beavers, 60, 95, 153, 182;
- John Day, 249;
- Miocene, 238;
- Pliocene, 222;
- White River, 254
- Beddard, F. E., 580, 587
- Bedded rocks, 6
- Bering, Sea, 100, 101;
- Strait, 197, 588;
- opening and closing of, 23;
- Pliocene, 125
- Berridge, W. L., 160, 171, 174, 175, 181, 183, 184, 185, 189, 320, 584, 633
- Bicuspids, 93
- Big Horn Basin, 107, 108, 109
- Bighorn, 419
- Binomial system of nomenclature, 42
- Biogenetic law, 648
- Birds, 655;
- distribution of, 141;
- migrations of, 143;
- Santa Cruz, 244
- Bison, 4, 152, 162, 358;
- American, 154 (fig.);
- entombment of, 36;
- European, 152, 154 (fig.);
- Wood, 162, 419
- Bison, 202, 362, 420;
- B. bison, 152, 154 (fig.), 419;
- B. bonasus, 152, 154 (fig.), 420;
- B. †crassicornis, 203, 420;
- B. †latifrons, 203, 420;
- B. †occidentalis, 589
- Bisons, 409, 416, 418, 419
- Blanco age and stage, 17, 127, 221, 388, 413, 551
- Blarina, 163, 173
- Blastoceros, 180 (fig.)
- †Blastomeryx, 224, 241, 362, 414 (restoration), 657
- Boar, Wild, 45 (fig. of sow and young), 46, 363
- Bogs, burial of mammals in, 33
- Bolivia, 178, 184, 215, 225, 436;
- Pleistocene, 20, 211;
- Pliocene, 129
- Bones, gnawed, 36;
- Pleistocene, 40;
- preservation of, 36;
- Tertiary, 40
- †Boöchœrus, 361, 367
- Boreal, fauna, 178;
- region, 150;
- subregion, 150;
- zone, 147, 148 (map), 162, 164, 551, 588
- †Borhyæna, 244, 494 (restoration), 627, 635, 637 (skull fig.)
- Borneo, 137, 327
- †Borophagus, 517, 524, 530
- Bos, 70
- †Bothriodon, 252 (restoration), 259, 361, 370, 371 (restoration)
- Bovidæ, 362, 418
- †Bow-Tooth, 463
- Brachyodont teeth, 95
- †Brachypsalis, 517
- Brackett, C. F., 368
- Bradypus, 186 (fig.), 187, 591
- Brain-casts, fossil, 41
- Brazil, 118, 181, 190, 201, 213, 215, 218, 219, 221, 245, 324, 391, 436, 527, 530, 552;
- caverns of, 19, 30, 133, 211, 218, 221, 586, 596;
- Miocene, 596;
- Pleistocene, 20
- Brazilian subregion, 164, 170 (map), 191
- Bridger age and stage, 17, 30, 109, 110, 340, 380, 386, 568;
- restorations of mammals, 271
- British Columbia, Miocene, 118;
- Oligocene, 113;
- Pleistocene glaciation, 131;
- Pliocene, 125
- Brocket, Wood, 181 (fig.)
- Brockets, 181
- Brown, B., 210
- Brown-tailed Moth, 143
- Budorcas, 418
- Buffalo, 36, 152
- Buffaloes, 409, 416
- Bulgaria, 316
- †Bunælurus, 517, 551
- Bunodont teeth, 360
- †Bunomeryx, 361
- Buno-selenodont teeth, 371
- Buried valleys, 132
- Burmeister, H., 496, 497
- Burrowers, 45, 79
- Burrowing mammals, 77
- Bush-Dog, 174, 212, 527, 530, 552
- Cabassous, 592, 614, 616
- Cacajao, 578, 585
- Cacomistle, 162, 517, 546
- Cænolestes, 58, 190, 284, 626, 640 (skull fig.), 641, 642
- Cænolestidæ, 627
- †Cænopus, 238, 252 (restoration), 256 (do.), 291, 333, 336 (molar and skull fig.), 339 (front teeth fig.), 342, 351
- †Calamodon, 274
- Calcaneum, 88
- California, Eocene, 104, 111;
- marine Pleisto., 132;
- Mesozoic, 23;
- Miocene, 118, 121, 127;
- Pliocene, 125
- Callithrix, 218
- Caluromys, 631
- Cambrian period, 15;
- glaciation in, 25
- Camel, 48, 54, 60, 70, 79, 358, 490;
- distribution, 138;
- family, 178;
- Miocene, 232 (restoration);
- tribe, 13;
- True, 178;
- White River, 252 (restor.)
- Camelidæ, 362, 386;
- distribution, 138
- Camel-like animals, 386
- Camels, 56, 81, 84, 87, 90, 257, 258, 312, 362, 373, 386, 421, 461, 651, 655;
- Bridger, 273, 398;
- browsing, 388, 393;
- Eocene, 397, 398, 402, 659;
- grazing, 393;
- John Day, 250, 394;
- Miocene, 231, 232, 235, 241, 391;
- Old World, 231;
- Oligocene, 394, 402, 659;
- phyla of, 650;
- Pleistocene, 196, 202;
- Pliocene, 224, 388;
- true, 13, 386, 387, 390, 391;
- Uinta, 267, 397;
- White River, 257, 394
- Camelus, 70, 138, 362, 387
- Canada, 257, 357, 565;
- Eocene climate, 111;
- Paleocene, 102;
- White River, 113;
- zoölogy, 146
- Canadian fauna, 151;
- subregion, 147, 150
- Canidæ, 173, 223, 517, 518, 520;
- fox-like, 529
- (See also Dogs)
- †Canimartes, 517
- Canine teeth, 93
- Canis, 152, 517, 522, 529;
- C. †dirus, restor., frontispiece, 204, 521;
- C. †indianensis, 204;
- C. latrans, 162, 165 (fig.), 632;
- C. nubilis, 159 (fig.);
- C. occidentalis, 62 (skull fig.), 64 (skull fig.), 162.
- (See Wolves)
- Cannon-bone, 84, 91 (fig.), 410 (fig.)
- Cape Fairweather stage, 128
- †Capromeryx, 362, 417
- Capromys, 184
- Capybara, 205.
- (See also Carpincho and Water Hog)
- Capybaras, Pleistocene, 218
- Carboniferous period, 15
- Caribbean, region, Miocene, 123;
- Sea, Oligocene, 113
- Caribou, 4, 181, 202, 207, 208, 210, 412, 413;
- Barren-ground, 148;
- Pleistocene, 27, 413;
- Woodland, 152, 157 (fig.)
- Carnivora, 43, 59, 83, 90, 244, 268, 282, 284, 285, 459, 516, 634;
- Araucanian, 226;
- Blanco, 222;
- Boreal, 152;
- distribution, 138;
- Eocene, 554;
- John Day, 249, 528;
- marine, 59;
- migration to S. Amer., 508, 518;
- Miocene, 229, 233, 238;
- Neotropical, 173;
- Pleistocene, N. Amer., 203, 210;
- S. Amer., 211;
- Plioc., 222;
- Sonoran, 163;
- Uinta, 265;
- White River, 254, 312
- Carnivores, see Carnivora
- †Carolozittellia, 462, 488
- Carpincho, 183 (fig.), 185.
- (See also Capybara and Water Hog)
- Carpus, 82
- Casa Mayor age and stage, 20, 112, 281, 488, 499, 512
- Cascade Mts., 121;
- Oligocene craters of, 116
- Castle, W. E., 657, 660
- Castor, 96, 153, 157 (fig.)
- †Castoroides, 195, 205
- Cat, 222;
- Domestic, 546 (manus fig.)
- Catamarca age and stage, 20, 129, 226
- Catarrhina, 583, 587, 588
- Cats, 54, 59, 90, 176, 517, 518, 519, 530, 532, 553, 568;
- cursorial, 543;
- Miocene, 545;
- Native, 634, 638, 640;
- Oligocene, 530;
- Pleistocene, 545;
- Pleisto. S. Amer., 211, 212;
- Pliocene, 223, 545;
- South America, 552;
- true, 249, 517, 530, 543.
- (See Felidæ)
- Cattle, 95;
- spread of, 142
- Caves as sources of fossil mammals, 30
- Cavia, 183 (fig.), 185
- Cavicornia, 328, 411, 412, 416, 421
- Cavies, see Caviidæ
- Caviidæ, 185, 657;
- Araucanian, 226;
- Pleistocene, 218;
- Santa Cruz, 245
- Cavy, Rock, 183 (fig.)
- Caxomistle, see Cacomistle
- Cebidæ, 172, 578, 584, 585
- Cebus, 218, 578, 584 (fig.), 585
- Celebes, 579
- Cement, 96
- Cenozoic era, 15, 16, 17, 18, 99;
- South America, 19
- Centetes, 173
- Central, 83
- Central America, 123, 164, 178, 179, 320, 585;
- Eocene, 104, 112;
- geology, 120;
- mammals, 141;
- Oligocene, 113, 117;
- Paleocene, 103;
- tapirs, 137;
- Tertiary, 22;
- zoölogy, 146
- Central American subregion, 164, 170 (map), 191
- Cerdocyon, 171 (fig.), 174, 517, 552
- †Cervalces, 195 (restoration), 208, 209 (restoration), 362, 413
- Cervicornia, 411, 421
- Cervidæ, 362, 411, 661;
- Neotropical, 179.
- (See also Deer)
- Cervulus, 412
- Cervus, 208, 362;
- C. canadensis, 151, 155 (fig.), 202, 208, 411, 412;
- C. elaphus, 151;
- C. eustephanus, 151.
- (See Deer)
- Cetacea, 60, 442;
- Miocene, 123, 125
- Chætomys, 184
- †Chalicothere, 240 (restoration), 356 (manus fig.)
- †Chalicotheres, see †Chalicotheriidæ
- †Chalicotheriidæ, 60, 247, 291, 354, 383, 385, 458, 484, 651;
- Bridger, 357;
- John Day, 250, 357;
- Miocene, 231, 235, 238, 356;
- White River, 257, 357
- †Chalicotherium, 354
- Chamberlin, T. C., 130
- Chamois group, 202, 417;
- subfamily, 152
- †Champsosaurus, 102
- Cheeta, 542, 543
- Chelodactyla, 60, 290
- Chevron-bones, 73
- Chevrotains, 54, 60, 408
- (see also Mouse-Deer and Tragulina)
- Chili, 124, 184, 436;
- marine rocks, 112;
- Pleistocene, 20;
- Pleisto. glaciation, 133
- Chilian subregion, 164, 170 (map)
- Chinchilla, 184 (fig.), 185
- Chinchilla-family, Araucanian, 226
- Chinchillas, 185;
- Santa Cruz, 245
- Chipmunks, 141, 153
- Chironectes, 626, 627
- Chiroptera, 59
- Chlamydophorus, 190, 592
- †Chlamydotherium, 218, 592, 596, 612, 614
- Cholœpus, 74, 187 (fig.), 591
- Chronology, geological, 10;
- of rocks, 6
- Civet cats, 518, 558
- (see Viverridæ)
- †Cladoclinus, 627
- †Cladosictis, 243 (restoration), 627, 638, 639 (restoration)
- †Clænodon, 554, 561
- Classification of mammals, 50
- Clavicle, 77 (fig.)
- Clawed mammals, 59, 74, 456, 459, 460, 492, 514
- Climate, as barrier to species, 140;
- determining distribution, 24;
- Cretaceous, 26;
- Eocene, 109, 448;
- Miocene, 122;
- Mioc. of Patagonia, 124, 244, 586;
- Oligocene, 116;
- Paleocene, 102;
- Pleistocene, 116, 134, 192;
- Pliocene, 127;
- vicissitudes of, 100
- Climatic changes, 14;
- affecting distribution, 140;
- evidences of, 24;
- Pleisto., effects on migrations, 207
- Coast Range, elevation, 122;
- Miocene, 113, 125
- Coati, 162
- Coatis, 76, 213, 517, 546, 552
- †Cochlops, 592
- Coendou, 182 (fig.), 184
- †Colodon, 257, 291, 327
- Colombia, 626, 640
- †Colonoceras, 272, 291, 347, 350
- Colouration, animal, 45
- †Colpodon, 462
- Columbia River valley, Miocene, 118
- Comparative Anatomy, 647
- Conard Fissure, 30, 210
- †Condylarth, 278 (restoration), 457 (skeleton fig.), 459 (restoration)
- †Condylarthra, 60, 443, 456, 484, 492, 499, 508, 514, 515, 653;
- Puerco, 286, 460;
- Torrejon, 285, 459;
- Wasatch, 277, 457;
- Wind River, 274, 456
- Condylura, 152
- Conepatus, 174 (fig.), 213, 517, 552
- Conies, 60, 458, 481
- Conifers, 103
- Continental deposits, Eocene, 106, 112;
- Miocene, 120;
- Oligocene, 113, 117;
- Paleocene, 101;
- Pliocene, 127, 128
- Continental islands, 140
- Continuity of development, 660
- Convergence, 650, 653, 655, 656
- Cope, E. D., 306, 343, 399, 400, 401
- Coracoid, 76
- †Coryphodon, 275, 277, 279 (restoration), 285, 443, 452, 454, 456
- †Coryphodontidæ, 285, 443, 454;
- lower Eocene, 456
- †Coryphodonts, see †Coryphodontidæ
- Costa Rica, 181;
- Pliocene, 128
- Cotton-rats, 163
- Coyote, 162, 165 (fig.)
- Coyotes, Pleistocene, 218
- †Cramauchenia, 489
- †Creodont, 252 (restoration), 563 (restoration)
- †Creodonta, 59, 516, 519, 527, 529, 554, 574;
- Bridger, 268, 271 (restoration);
- Eocene, 633;
- Paleocene, 633;
- Puerco, 286;
- Torrejon, 285;
- Uinta, 265;
- Wasatch, 276;
- White River, 253;
- Wind River, 274.
- (See Flesh-eaters)
- Cretaceous period, 15, 16, 103, 112, 117, 261, 281, 443, 460, 514, 642, 643;
- climate, 26
- Crocodiles, 122, 244;
- absent from John Day, 116;
- Eocene, 111;
- Paleocene, 284;
- White River, 116
- Crown of tooth, 95
- Crustal movements, Miocene, 122
- Ctenomys, 184
- Cuba, 173, 185;
- junction with Central America, 128, 598;
- Miocene, 123;
- Pleistocene, 134, 604;
- Pliocene, 128, 605
- Cuboid, 89
- Culebra Cut, Tertiary rocks, 22
- Cuneiform, 83, 89
- Cuvier, G., 44, 654
- Cyclopes, 591
- †Cyclopidius, 361, 376
- †Cynodesmus, 517, 522 (skull fig.), 523, 530
- †Cynodictis, 254, 517, 529 (restoration), 530, 547
- Cyon, 213, 517, 527
- †Cyonasua, 517
- Dama, 412
- †Daphœnodon, 517, 525 (restoration), 526, 530
- †Daphœnus, 254, 517, 523 (skull fig.), 524 (manus and teeth fig.), 526, 528, 530, 537, 546
- Darwin, C., 33, 35, 52, 136, 137, 143, 193, 217, 463, 489, 490, 491, 492
- Dasypoda, 189, 592, 610.
- (See also Armadillos)
- Dasypodidæ, 592
- Dasyprocta, 185 (fig.)
- Dasypus, 189 (fig.), 592, 611, 614, 616
- Dasyures, Australian, 638
- Dasyuridæ, 632, 634, 640
- Deep River age and stage, 17, 121, 233
- Deer, 46, 54, 60, 95 (molar fig.), 222, 312, 319, 360 (molar fig.), 362, 409, 411, 461;
- American, 153, 162, 202, 208, 409, 412, 414, 420, 657;
- Axis, 412;
- Barking, 412;
- Black-tailed, 5, 202;
- Chinese Water-, 412;
- earliest, 658;
- Fallow, 412;
- Florida, 179 (fig.);
- Hog, 412;
- hornless, 414;
- Marsh, 179, 180 (fig.);
- Miocene, 232, 235, 414 (restoration);
- Mule, 46 (fawns fig.), 167 (fig.);
- Musk-, 224, 412, 658;
- Neotropical, 179;
- North American, 179;
- Old World, 151, 179, 181, 202, 412, 415;
- Pampas, 180;
- Patagonian, 91 (pes fig.), 410 (manus and pes fig.);
- Pleistocene, 202, 208, 412;
- Pleisto., S. Amer., 213, 215;
- Pliocene, 224, 226;
- South American, 415, 418, 466;
- southern, 412, 413;
- Tertiary, 412, 419;
- Virginia, 4, 166 (fig.), 179, 202, 412
- †Deer-Antelopes, 202, 224, 362, 417;
- Miocene, 232, 235, 414, 415 (restoration);
- Pleistocene, 417
- Degu, 184
- †Deltatherium, 554
- Dental formula, 93
- Dentine, 96
- Deposits, continental (see Continental deposits);
- lake, 37;
- river, 36
- Dermoptera, 59
- Deseado age and stage, 20, 117, 282, 283, 474, 475, 477, 479, 481, 485, 486, 487, 508, 511, 512, 586, 587
- Desiccation, Miocene and Pliocene, 128
- †Desmathyus, 361
- †Desmatippus, 290
- †Deuterotherium, 489
- Development, convergent, 446, 499;
- parallel, 499;
- per saltum, 661.
- (See also Evolution)
- Devonian period, 15;
- glaciation in, 25
- Dhole, 213, 249, 517, 527, 530
- †Diadiaphorus, 248, 489, 501 (skull fig.), 502 (restoration), 503 (pes fig.), 505, 507, 508
- †Diceratheres, see †Diceratherium
- †Diceratherium, 238, 239 (restoration), 250, 256, 291, 333, 334, 350, 444
- Dicerorhinus, 327, 329
- †Dichobunidæ, 361, 398
- Didelphia, 57, 59, 626
- Didelphiidæ, 627, 630
- Didelphis, 161, 626, 627, 631;
- D. marsupialis, 161 (fig.), 631
- †Didolodidæ, 489
- †Didolodus, 489
- †Didymictis, 555, 558
- Digit, 90
- Digital reduction, 658
- Digitigrade, 90
- †Dinictis, 254, 517, 538, 539 (restoration), 541 (pes fig.), 542, 546
- †Dinocerata, 443
- †Dinocynops, 517
- †Dinocyon, 524
- †Dinohyus, 239, 361, 366
- †Dinosaurs, 103, 284
- †Dinotheres, see †Dinotherium
- †Dinotherium, 435, 438, 486
- †Diplacodon, 266, 291, 313, 317 (head restored)
- Dipodomys, 163 (fig.)
- Diprotodonta, 59, 627, 640;
- Deseado, 642;
- Paraná, 641;
- Pleistocene, 641;
- Pliocene, 641;
- Santa Cruz, 640, 641;
- South American, 640
- Discontinuity of development, 660
- Dispersal of species, 143
- †Dissacus, 554, 560
- Distribution, discontinuous, 127, 138, 193;
- geographical, of mammals, 135
- Divergence, see Evolution
- †Dœdicurus, 212 (restoration), 219, 618, 619 (restoration)
- Dog, 90, 553;
- family, 558;
- fox-like, 529 (restoration)
- Dogs, 90, 173, 517, 519, 520, 548, 553, 554, 558;
- Blanco, 522;
- early, 550;
- John Day, 249, 523, 528, 529;
- Miocene, 229, 234, 238, 522, 527, 528, 529;
- Oligocene, 523, 547, 553;
- Paraná, 227;
- Pleistocene, 521;
- Pleisto., S. Amer., 212;
- Pliocene, 522;
- Plioc. S. Amer., 226;
- †primitive, 537;
- †short-faced, 530;
- South American, 552;
- Uinta, 265;
- White River, 254, 529.
- (See also Canidæ)
- †Dolichorhinus, 272, 291
- Dolichotis, 185
- Dolphins, 37, 60, 94, 656;
- Miocene, 123
- Domesticated plants, history of, 288
- Douroucoulis, 578, 585
- Drainage, the Pleistocene changes of, 132
- Drift-sheets, 25, 132
- †Dromocyon, 269 (restoration), 271 (restoration), 554, 559
- †Dromomeryx, 235, 237 (restoration), 362, 417
- Drought, effects of on mammals, 33
- Duck-billed Mole, 57, 59
- Dugong, 60, 442
- Duplicidentata, 59
- Dust, volcanic, 29;
- wind-blown, 33
- East Indian Archipelago, 191
- Echidna, 57
- Echimys, 184
- Ecuador, 178, 284, 391, 548, 626, 640;
- Pleistocene, 20, 211;
- Pliocene, 129
- Edentata, 60, 72, 75, 91, 97, 120, 185, 267, 355, 591;
- Araucanian, 226;
- armoured, 60, 592, 610;
- Casa Mayor, 283, 592, 595;
- Deseado, 261, 595;
- distribution, 138;
- Eocene, N. Amer., 597, 616;
- hairy, 60, 591;
- Old World, 185, 591;
- Paraná, 227;
- Pleisto., N. Amer., 205;
- Pleisto., S. Amer., 218, 596;
- Plioc., N. Amer., 225, 597;
- Plioc., S. Amer., 226, 596;
- Santa Cruz, 245, 596;
- South American, 276, 625
- Edentates, see Edentata
- †Edvardocopeia, 509
- Egg-laying mammals, 59
- Egypt, 254, 370, 422, 432, 442, 450, 587;
- Eocene, 234;
- Oligocene, 234, 264, 583
- Ei-á, 585
- Eigenmann, C. H., 654
- †Elachoceras, 443, 449, (skull fig.), 450, 451, 455
- †Elasmotherium, 350, 351
- Elephant, 590;
- African, 423 (molar fig.);
- †Columbian, 195 (restoration), 197, 198 (restoration), 427, 430;
- East African, 425;
- †Imperial, 199, 427, 485;
- Indian, 97 (section of tooth fig.), 197, 423, 425 (manus fig.), 426 (section of fore foot fig.);
- tribe, 82;
- West African, 425
- Elephantidæ, 432
- Elephants, 45, 60, 73, 91, 92, 95, 97, 215, 264, 312, 436, 446, 448, 465, 487, 654;
- American, 430;
- cranial bones of, 63;
- distribution, 138;
- hairy, 448,
- proboscis of, 65;
- Pleistocene, 196, 211, 426;
- Siberian Pleisto., 39;
- true, 423, 438, 439;
- tusks of, 97
- Elephas, 436, 437 (head and tooth fig.);
- E. †columbi, 195 (restoration), 197, 198 (restoration), 427;
- E. †imperator, 199, 427, 485;
- E. maximus, 97 (section of molar fig.), 197, 423, 425 (manus fig.);
- E. †primigenius, 196, 207, 332, 426
- Elk, 50, 141, 151, 155 (fig.);
- Scandinavian, 151
- Elms, 102
- †Embrithopoda, 60
- Embryology, 648
- Emigrants from N. Amer. to Old World, 255, 256, 456
- Enamel, 96
- England, early Man in, 588;
- Paleocene flora, 103;
- Pliocene, 127
- †Enhydrocyon, 517, 528, 530
- †Entelodon, 369
- †Entelodontidæ, 250, 361, 366, 445;
- Wasatch, 281
- †Entelodonts, see †Entelodontidæ, also †Giant Pigs
- †Entelonychia, 60, 247, 462, 482, 652;
- Casa Mayor, 282;
- Deseado, 263.
- (See also †Homalodotheres)
- Entrerios, 128
- †Eoanthropus, 588
- †Eobasileus, 443, 449, 451, 455
- †Eocardia, 243
- Eocene epoch, 17, 104;
- climate of, 26;
- close of, 111;
- Europe, 262, 370, 452, 562, 661;
- North America, 104, 105 (map), 201, 250, 251, 253, 273, 287, 291, 325, 369, 421, 519, 529, 554, 557, 574, 644;
- South America, 20, 112, 261, 281, 477, 481, 482, 485, 487, 488, 508, 509, 512, 514, 625, 642
- †Eodidelphys, 627
- †Eohippus, 280, 290, 302, 303 (restoration), 304, 305 (skull fig.), 307 (manus and pes fig.), 308
- †Eohyus, 281
- †Eomoropus, 291, 357
- †Eotitanops, 275, 291, 315
- †Eotylopus, 257, 362
- †Epigaulus, 223 (restoration)
- †Epihippus, 290, 301, 302
- †Epithelium, 227, 489, 508
- Epoch, geological, 15
- †Eporeodon, 361, 375, 379
- Equidæ, 290, 291.
- (See also Horses)
- Equus, 95, 199, 213, 223, 291, 295, 305 (skull fig.), 306 (manus and pes fig.);
- American species, 296;
- E. asinus, 52;
- E. burchelli, 200;
- E. caballus, 52, 199, 213, 295;
- E. †fraternus, 199;
- E. †giganteus, 200, 201, 295;
- E. †occidentalis, 200;
- E. †pacificus, 201;
- E. †pectinatus, 200;
- E. przewalskii, 52, 292 (fig.);
- E. †scotti, 195 (restoration), 200 (do.);
- E. †semiplicatus, 200;
- South American species, 307;
- E. †tau, 199, 295
- Equus Beds, 33, 131, 133, 200, 205.
- (See Sheridan)
- Era, geological, 15
- Erethizon, 151 (fig.), 153, 182, 184, 205
- †Eriodes, 578
- Ermine, 152, 159 (fig.)
- Ethiopian region, 146
- †Euceratherium, 202, 362, 418
- †Eucholœops, 607
- †Eucinepeltus, 592, 623
- †Euprotogonia, 457, 459
- Eurasia, 110, 548
- Europe, 253, 254, 255, 267, 272, 276, 277, 280, 281, 284, 287, 291, 303, 323, 324, 325, 340, 350, 351, 354, 356, 357, 369, 370, 380, 417, 418, 419, 421, 422, 432, 435, 452, 456, 486, 534, 538, 543, 545, 546, 552, 554, 557, 561, 642, 644;
- caverns of, 30;
- circumpolar area, 148;
- Eocene, 104;
- Eoc. separation from Asia, 104;
- human habitation of, 588;
- loess of, 133;
- mammals of, 145;
- †Mammoth in, 197;
- pre-Eocene immigration into, 108;
- Miocene, 235;
- Mioc. climate, 122;
- Pleisto. glaciation, 133;
- tapirs in, 138;
- Triassic, 642;
- zoölogy of, 146
- †Eusmilus, 254, 517, 538
- †Eutatus, 592, 596, 612, 613
- Eutheria, 57, 59
- †Eutrachytherus, 263, 462, 477
- Extinction of species, 13, 211
- Evolution, of †Amblypoda, 454;
- of camels, 400;
- convergent, 649, 650, 655;
- of †Creodonta, 574;
- divergent, 18, 139, 650, 655;
- of Fissipedia, 553;
- of horses, 305, 325, 400;
- irreversibility of, 541, 656;
- modes of Mammalian, 645;
- of †oreodonts, 381;
- parallel, 393, 649, 655;
- of Proboscidea, 436, 437 (diagram);
- of rhinoceroses, 351;
- of tapirs, 324;
- of †titanotheres, 316, 325
- Fallow Deer, 46
- Families, distribution of, 138
- Fauna, 56;
- Araucanian, 226;
- Bridger, 265, 267, 273, 315;
- Deseado, 261, 638;
- mid. Eocene, 267;
- John Day, 249;
- low Miocene, 237;
- Neotropical, 283, 610;
- Oligocene, 237;
- Paraná, 227;
- Pleistocene, N. America, 193, 207;
- Pleisto., S. Amer., 211, 226, 597;
- Puerco, 285;
- Santa Cruz, 26, 124, 242, 638;
- Torrejon, 284;
- Uinta, 265, 273;
- Wasatch, 276;
- White River, 251, 265, 266;
- Wind River, 274, 275, 315
- Faunas, Casa Mayor, 281, 283;
- Eocene, N. Amer., 265;
- Eoc., S. Amer., 281;
- Miocene, 229;
- Oligocene, N. Amer., 249;
- Oligo., S. Amer., 261;
- Paleocene, 283, 286, 644;
- Pliocene, N. Amer., 221;
- Plioc., S. Amer., 225;
- Quaternary, N. Amer., 193;
- Quat., S. Amer., 211;
- successive mammalian, 192;
- Tertiary, 221;
- Tertiary, S. Amer., 461
- Fawns, 46 (fig.)
- Fayûm, 432
- Felidæ, 54, 517, 518, 530
- Felinæ, 54, 254, 535, 542, 543, 650;
- Miocene, 229, 234, 238, 541, 545;
- origin of, 659;
- Pleistocene, 204, 545;
- Pliocene, 545
- Felis, 54, 517, 543, 545, 546;
- F. †atrox, 204, 545;
- F. concolor, 168 (fig.), 544 (skull fig.), 545 (dentition fig.);
- F. domestica, 546 (manus fig.);
- F. †imperialis, 204;
- F. leo, 204;
- F. onca, 176, 177 (fig.), 552;
- F. pardalis, 176 (fig.), 552
- Femur, 84, 85 (fig.)
- Ferret, Black-footed, 160 (fig.)
- Fiber, 153
- Fibula, 86, 87 (fig.)
- Field-mice, 141
- Filhol, H., 534
- Fisher, 152
- Fishers, 141, 518
- Fishes, Florissant, 121;
- Green River, 109;
- Panama marine, 23;
- South American fresh-water, 652;
- teeth of, 92
- Fissipedia, 59, 516, 517, 553, 554, 555, 556, 557, 558, 563, 576
- Flesh-eaters, †primitive, 59, 554;
- Santa Cruz, 637
- Florida, island, 122;
- Miocene, 117;
- Oligocene, 113;
- Paleocene, 101;
- Pliocene, 125, 127
- Florissant formation, 121
- Flower, W. H., 389, 390, 411, 412, 419
- Flying Lemur, 59
- Forests, Oligocene, 538;
- Paleocene, 102;
- petrified, 122
- Fort Union stage, 17, 99, 102, 642
- Fossils, 7, 29;
- classification, 55;
- entombment, 29;
- evidence of climate, 25;
- mammals, 61
- Fossorial habits, 2
- Fox, 191;
- Arctic, 148, 149 (fig.), 150 (fig.);
- Grey, 165 (fig.), 517;
- Red, 158 (fig.), 517
- Foxes, 141, 173, 518, 520, 530, 552;
- grey, 162;
- Pleistocene, 204;
- red, 152;
- White River, 254, 529
- France, 256, 333, 364, 441, 574;
- Eocene, of, 108;
- Oligocene, 617
- Frankstown Cave, 30
- Friasian fauna, 509
- Fürbringer, M., 655
- Gait, varieties of, 90
- Galapagos Archipelago, 136
- †Ganodonta, 625
- †Garzonia, 627, 641 (jaw fig.)
- †Garzoniidæ, 627
- Gazelle, bones of, 35
- †Gazelle-Camel, 241, 242 (restoration), 393, 394, 408
- Genera, origin of, 654
- Generic area, 137
- Genetic series, 56
- Genetics, 648
- Genus, 53
- Geographical changes affecting distribution, 139
- Geology, 5
- Geomys, 163
- Geomyidæ, 265
- †Giant Pig, 252 (restoration), 260 (do.)
- †Giant Pigs, 250, 259, 266, 361, 366;
- Bridger, 273, 370;
- John Day, 259, 367;
- Miocene, 239, 366, 369;
- Oligocene, 281, 368;
- Uinta, 369;
- Wasatch, 281, 370;
- White River, 259, 367
- Gidley, J. W., 33, 202, 642
- Giraffe, 70, 79, 358, 389
- †Giraffe-Camel, 236 (restoration), 391, 392 (restor.)
- †Giraffe-camels, 235, 388, 394;
- Miocene, 231, 241, 394;
- Pliocene, 224, 388
- Giraffes, 54, 389, 409, 411
- Glacial, accumulations, 25;
- climate, 25, 26;
- periods, 14, 25;
- stages, 17, 130;
- theory, 129
- Glaciation, Pleistocene, 25, 130;
- causes of, 134
- Glaciers, Pleistocene, 131
- †Glossotherium, 602
- †Glyptodon, 212 (restoration), 219, 592, 618, 619 (restor.), 621
- †Glyptodont, Santa Cruz, 243 (restoration), 606 (do.)
- †Glyptodontia, 60, 245, 246, 592, 593, 594, 595, 617;
- Araucanian, 226;
- Astraponotus, 281, 595, 625;
- Deseado, 262, 595;
- Pampean, 212 (restorations), 619 (restorations), 623;
- Paraná, 227;
- Pleistocene, N. Amer., 205, 206, 211, 597, 598;
- Pleisto., S. Amer., 218, 221, 596, 597, 620, 624;
- Pliocene, N. Amer., 221, 225, 596;
- Plioc., S. Amer., 596, 622, 624;
- Santa Cruz, 245, 596, 622, 623
- †Glyptodontidæ, 592
- †Glyptodonts, see †Glyptodontia
- †Glyptotherium, 221, 592
- Gnawing mammals, 59
- Goat, Rocky Mt., 152, 158 (fig.), 202, 416
- Goats, 362, 409, 416
- †Gomphotherium, 229, 430, 431 (head restored), 434, 436, 437 (head and molar fig.), 438, 439
- Gopher, †Horned, 223 (restoration)
- Grasses, 273;
- Paleocene, 284
- Grassy plains, spread of, 233
- †Gravigrada, 91, 120, 355, 591, 592, 598, 612;
- Pleistocene, N. Amer., 205, 597;
- Pleisto., S. Amer., 218, 598;
- Santa Cruz, 605, 607, 609, 610.
- (See also †Ground-Sloths)
- Great Basin, 322;
- Pleistocene of, 131
- Great Britain, 21, 140, 418
- Great Plains, 33, 200, 229, 235, 322, 386, 432;
- Miocene, 121;
- Oligocene climate, 116;
- Pleistocene, 131
- Greenland, 101, 103, 210;
- Pliocene, 125
- Green River stage, 109
- Gregory, J. W., 35
- Gregory, W. K., 641
- Grison, 175 (fig.), 517, 552
- †Ground-Sloth, giant, 195 (restoration), 603 (restoration);
- Pleistocene of Cuba, 598;
- Santa Cruz, 243 (restor.), 606 (restor.);
- skin of, 40, 602
- †Ground-Sloths, 75, 91, 120, 267, 355, 591, 592, 593, 594, 595, 598;
- Araucanian, 226;
- Astraponotus, 595;
- Casa Mayor, 284, 595;
- Deseado, 262, 595;
- Miocene, 609;
- Mioc., N. Amer., 597;
- Pampean, 212 (restoration), 220 (do.), 605, 608, 609;
- Paraná, 227;
- Pleistocene, N. Amer., 205, 206, 211, 219, 597;
- Pleisto., S. Amer., 218, 219, 221, 596, 598, 604, 605;
- Pliocene. N. Amer., 221, 225, 597;
- Plioc., S. Amer., 596, 598;
- Santa Cruz, 245, 246, 596, 598, 605, 608, 609.
- (See also †Gravigrada)
- Ground-squirrels, 164, 181
- †Grypotherium, 592, 602
- Guanaco, 60, 139, 178, 389 (fig.), 399 (skull and tooth fig.), 400 (manus fig.), 401 (pes fig.), 490, 491;
- destruction by cold, 36;
- distribution, 138
- Guiana, 179
- Guianas, Miocene, 596
- Guinea-Pig, 185;
- four-toed race, 657, 660
- Gulf-coast, Eocene, 104, 111, 117;
- Miocene, 117;
- Pliocene, 125
- Gulf of Mexico, Eocene, 106, 113;
- Oligocene, 113, 117;
- Paleocene, 101
- Gulf Stream, Oligocene, 113
- Gulo, 152, 155 (fig.), 237, 517
- Gypsy Moth, 143
- Haeckel, E., 648
- Hairless skin, 45
- Halicore, 442
- †Halmarhiphus, 627
- Handwriting, development of, 9, 13, 14
- Hapale, 578
- Hapalidæ, 172, 578, 582, 583
- †Hapalops, 243 (restoration), 592, 605, 606 (restor.), 609 (pes fig.)
- Hare, Arctic, 150
- Hares, 59, 181, 245, 249;
- Miocene, 229, 238;
- Plioc., N. Amer., 222;
- Plioc., S. Amer., 226;
- tailless, or whistling, 153
- †Harpagolestes, 554, 559, 560, 571
- Harrison stage, 120, 235
- Hatcher, J. B., 337, 523, 524
- Hayti, 173, 185;
- junction with Centr. Amer., 128;
- Miocene, 123;
- Pliocene, 128
- Hedgehogs, 59, 276;
- White River, 253
- †Hegetotheriidæ, 462, 472
- †Hegetotherium, 462, 479
- †Helaletes, 272, 291
- †Helohyus, 273, 361, 365
- †Hemiacodon, 578
- †Hemipsalodon, 253, 565
- †Henricosbornia, 462
- †Heptodon, 275, 291, 327
- Herbivora, 516
- Herbivorous mammals, 45;
- large, 44
- †Hipparion, 291
- †Hippidion, 212 (restoration), 213, 214 (restor.), 291, 296, 307, 308 (skeleton fig.)
- Hippocamelus, 91 (pes fig.), 180, 410 (manus and pes fig.)
- Hippopotamus, 45, 54, 60, 70, 92, 358, 654
- Hogs, ruminating, 372
- Holarctic region, 146, 147, 150, 588
- †Homacodon, 273, 361, 398
- †Homalodontotheriidæ, 462;
- Casa Mayor, 283
- †Homalodontotherium, 462, 482
- †Homalodothere, 482
- †Homalodotheres, 462, 482, 509
- †Homo heidelbergensis, 588;
- H. †neanderthalensis, 588;
- H. sapiens, 588
- †Homunculus, 578, 586
- Hoofed animals, 74, 77, 81, 83, 89, 312, 313, 461;
- Araucanian, 227;
- Bridger, 269, 273;
- Casa Mayor, 282;
- clawed, 651;
- Deseado, 262, 264;
- massive, 654;
- Miocene, 229, 234;
- Paraná, 228;
- Pleistocene, N. Amer., 199;
- Pleisto., S. Amer., 213;
- †primitive, 492;
- Santa Cruz, 246;
- Torrejon, 285;
- Uinta, 273;
- Wasatch, 277;
- Wind River, 274
- (see Ungulata)
- Hoofed mammal, clawed, 484
- Hoofed mammals, 60, 456, 459, 460;
- even-toed, 54, 60;
- odd-toed, 60;
- White River, 255
- (see Ungulata)
- Hooker, J., 193
- †Hoplophoneus, 252 (restoration), 517, 535, 536 (restoration), 539, 540, 543
- Horn-cores, 416
- Horse, 44, 48, 52, 62, 76 (scapula fig.), 79 (humerus fig.), 81 (fore-arm bones fig.), 85 (femur fig.), 87 (leg-bones fig.), 95 (molar fig.), 294, (manus and pes fig.), 359;
- Asiatic Wild, 52, 292 (fig.);
- †Dawn, 302, 303 (restoration);
- †forest, 200;
- †Pampas, 212 (restoration), 214 (restoration), 308 (skeleton fig.);
- †Texas, 195 (restoration), 200 (restoration);
- †three-toed grazing, 298 (restoration);
- True, 199, 213, 295;
- †White River, 252 (restoration), 300 (restoration).
- (See also Equus)
- Horses, 56, 60, 81, 95, 97, 289, 290, 291, 312, 319, 330, 353, 360, 382, 397, 458, 461, 499, 504, 651, 653, 655, 656, 658, 661;
- Blanco, 222;
- bones of, 33;
- Bridger, 272, 302;
- browsing, 223, 231, 235, 297, 298;
- Eocene, 304, 307;
- grazing, 223, 231, 235, 297, 298;
- John Day, 299;
- Miocene, 295, 297, 298, 231, 232, 234, 238, 301;
- North American, 39;
- Oligocene, 299;
- phyla of, 289, 650;
- Pleistocene, N. Amer., 199, 208, 211, 213, 221, 295, 304, 307;
- Pleisto., S. Amer., 213, 215, 307;
- Pliocene, 223, 295, 307, 331;
- South American, 307;
- spread of, 142, 143;
- three-toed, 33, 501;
- tridactyl, 658;
- true, 292, 308;
- Uinta, 301;
- Wasatch, 280, 302;
- White River, 257, 299, 300;
- Wind River, 275, 302, 303, 396.
- (See also Equidæ)
- Horsfall, R. B., 42
- Hrdlička, A., 589
- Hudsonian fauna, 151
- Hudson’s Bay slope, interglacial forests, 131
- Huemul, 180
- Humerus, 78 (fig.)
- Humid province, 164
- Humidity, effect on distribution, 141
- Hungary, 316
- Hutias, 184
- Huxley, T. H., 28
- Hyænidæ, 518
- †Hyænodon, 252 (restoration), 253, 555, 562, 563 (restoration), 564 (skeleton fig.), 565 (teeth fig.), 566 (teeth fig.), 567, 576
- †Hyænodont, primitive, 567 (restoration)
- †Hyænodontidæ, 253, 555, 557, 562, 565 (teeth fig.), 566 (teeth fig.), 569, 573, 575;
- Bridger, 268;
- Eocene, 254, 566, 576;
- Wind River, 274
- †Hyænodonts, see †Hyænodontidæ
- †Hyænognathus, 522, 524, 530
- Hydrochærus, 183 (fig.), 185, 205
- Hydropotes, 412
- Hyena, bones of, 35
- †Hyena-dogs, 222, 249, 527, 530
- Hyenas, 518, 527, 553, 554
- Hyoid arch, 67
- †Hyopsodonta, 59
- †Hyperhippidium, 213, 291, 307
- †Hyperleptus, 607
- †Hypertragulidæ, 267, 362, 386, 402, 414;
- Eocene, 408;
- John Day, 251, 404, 407;
- Miocene, 241, 258, 404;
- White River, 258, 406, 408
- †Hypertragulids, see †Hypertragulidæ
- †Hypertragulus, 241, 258, 267, 362, 407, 408
- †Hypisodus, 258, 362, 408
- †Hypohippus, 291, 297, 300
- Hypsodont teeth, 95 (fig.);
- prevalence of, 232
- †Hyrachyus, 271 (restoration), 272, 291, 339, 344 (restor.), 345 (skull fig.), 346, 349, 350
- †Hyracodon, 252 (restoration), 255, 266, 291, 341 (restor.), 343 (manus fig.)
- †Hyracodontidæ, 291, 403
- †Hyracodontinæ, 291, 340, 341, 346, 350, 351, 352;
- Bridger, 272, 343;
- Eocene, 342;
- Uinta, 266, 343;
- White River, 255, 256, 341;
- Wind River, 275, 276, 344
- †Hyracodonts, see Hyracodontinæ
- Hyracoidea, 60, 458, 481, 492, 514;
- distribution, 138
- Hystricomorpha, 245, 262
- Ice Age, 25
- Ichthyomys, 182
- Icticyon, 174, 212, 517, 527, 552
- †Ideodidelphys, 627
- Ihering, H. von, 124
- †Ilingoceros, 362
- Ilium, 77
- Immigrants from Old World to N. America, 229, 276, 279, 316, 365, 370, 386, 416, 417;
- artiodactyls, 201, 202, 259;
- bison, 420;
- Carnivora, 203;
- felines, 258;
- †hyænodonts, 254;
- insectivores, 253;
- mustelines, 238, 254;
- otters, 234;
- Proboscidea, 422;
- rhinoceroses, 234;
- sheep, 419;
- from North to South America, 171, 211, 226, 227, 242, 461;
- from South to North America, 205, 206, 233
- Immigration, 266;
- Eocene, 324;
- Miocene, 233;
- Pleistocene, 151;
- Pliocene, 151
- Incisors, 93
- India, 14, 213, 327, 390, 412, 418, 430, 527, 542, 551;
- Permian glaciation of, 25
- Indian Ocean, 442
- Indians, pre-Columbian, 590
- †Indrodon, 580
- Insect-eaters, 92
- Insectivora, 59, 191, 249, 459, 580;
- Bridger, 268;
- Miocene, 238;
- Neotropical, 172;
- Paleocene, 284;
- Puerco, 286;
- Santa Cruz, 245, 587;
- Torrejon, 285;
- Uinta, 265;
- Wasatch, 276;
- White River, 253;
- Wind River, 274
- Insectivores, see Insectivora
- Inserts, 141;
- Florissant, 121;
- Green River, 109
- Interglacial stages, 17, 130, 207;
- climate of, 134;
- mammals of, 131
- †Interatheriidæ, 462, 476, 479
- †Interatherium, 462, 481, 636 (restoration)
- Irreversibility of evolution, 541, 656
- †Ischyrocyon, 517
- †Ischyromyids, Bridger, 270;
- Uinta, 265;
- Wasatch, 280
- †Ischyromys, 254
- †Isectolophus, 291
- †Isotemnidæ, 462, 485
- †Isotemnus, 462
- Isthmian region, geology, 120;
- Pliocene, 128
- Isthmus of Panama, 170;
- geology, 21, 22;
- Miocene, 123;
- Oligocene, 117, 123;
- Pleistocene, 122, 134
- Jackal, bones of, 35
- Jaguar, 176, 177 (fig.), 212, 545, 552
- Jamaica, Miocene, 123;
- mongoose introduced, 142
- Japan, 135
- Java, 21, 140, 327
- Jefferson, T., 206, 597
- Jerboas, 90
- John Day age and stage, 17, 30, 116, 375, 543
- Jumping Mouse, 153, 160 (fig.);
- mice, 182;
- shrews, 59
- Jurassic period, 15, 16, 642, 643
- Kangaroo-rats, 163 (fig.), 182;
- Miocene, 238
- Kangaroos, 59, 626, 640
- Kinkajou, 175 (fig.), 517, 546, 552
- Klipdasses, 458, 481
- Knight, C. R., 42, 470, 478, 480, 481, 494, 502, 506, 606, 636, 639
- Kowalevsky, W., 233, 503
- Kudu, 225
- Labrador, Pliocene, 125
- Lagidium, 185
- Lake, Argentine, 36;
- Bonneville, 131;
- Callabonna, 34;
- Lahontan, 131;
- Ontario, invasion by sea, 132
- Lakes, relation to glaciation, 132;
- sediments of, 37
- Lama, 138, 362, 388;
- L. huanacus, 178, 389 (fig.);
- L. vicunia, 178 (fig.)
- †Lambdaconus, 489
- †Lambdotherium, 275, 291, 315
- Land-bridges, 18
- Land-connections, how ascertained, 20;
- Cuba and Centr. Amer., 128;
- Hayti and Centr. Amer., 128;
- N. Amer. and Asia, 18, 125, 588;
- N. Amer. and Europe, 18, 106, 108, 109, 118, 120;
- N. Amer. and Old World, 21, 23, 109, 115, 249, 251, 267, 276, 287;
- N. and S. Amer., 100, 120, 123, 233;
- S. Amer. and Africa, 103, 112, 124, 587;
- S. Amer. and Antarctica, 112, 124;
- S. Amer. and Australia, 103, 123, 638;
- S. Amer. and Old World, 262;
- West Indies and Mediterranean lands, 120
- La Plata, estuary, 34
- Last Hope Inlet, 60
- Latax, 517
- Lava-fields, the Columbia River, 121, 127
- Lavas, Miocene, 118, 121, 122;
- Pleistocene, 133;
- Pliocene, 127
- Leche, W., 63
- Leidy, J., 372
- Lemming, 148
- Lemmings, 141, 153
- Lemur, †monkey-like, 581 (head restored)
- Lemur, 578
- Lemuroidea, 60, 284, 459, 577, 578, 588;
- Bridger, 270, 578;
- Eocene, 579;
- Wasatch, 281, 580;
- Wind River, 275
- †Leontiniidæ, 462, 475
- †Leontinia, 263 (head restored), 462, 475
- Leopard, 45;
- Hunting, 543
- †Leptarctus, 517, 547
- †Leptauchenia, 258, 361, 377 (skull fig.), 378 (restoration), 381
- †Leptochœridæ, 361
- †Leptochœrus, 361
- †Leptomeryx, 258, 267, 362, 407 (skull fig.), 409, 563 (restoration), 657
- †Leptoreodon, 362
- †Leptotragulus, 267, 362
- Lepus, 164
- †Lestodon, 602
- †Limnocyon, 555, 573
- Linnæan system, 51, 56, 57
- Linnæus, C., 1, 51, 52, 55, 578
- Lion, 45, 48, 92, 204;
- cubs, 46
- Lions, 210, 212
- Lipotyphla, 59
- †Listriodon, 364
- †Litopterna, 60, 469, 489, 514, 651, 653;
- Araucanian, 227;
- Casa Mayor, 283;
- Deseado, 264;
- Pampean, 212 (restoration), 216 (do.);
- Paraná, 228;
- Pleistocene, 215, 221;
- Santa Cruz, 243 (restorations), 247
- Lizards, 102;
- Santa Cruz, 244
- Llama, 54, 60, 490, 491;
- distribution, 138
- Llama-like animals, 386
- Llamas, 13, 90, 241, 257, 362, 386, 388, 390, 391, 421, 461;
- Pleistocene, N. Amer., 196, 202;
- Pleisto., S. Amer., 213, 215;
- Pliocene, 224;
- South American, 231
- Loess, 133
- Loncheres, 184
- Loomis, F. B., 487
- †Lophiodontidæ, 257, 272, 291, 319, 325, 326, 341, 343, 348;
- Eocene, 326;
- Oligocene, 339;
- Wasatch 280, 326;
- White River, 257, 326;
- Wind River, 275, 315
- †Lophiodonts, see †Lophiodontidæ
- Loricata, 592, 610
- Loup Fork age and stage, 17, 121
- Loup River stage, 127
- Lower Sonoran zone, 148, 164
- Lowest Eocene, 99
- Loxodonta, 423 (molar fig.)
- Lucas, F. A., 337
- Lull, R., 437
- Lunar, 83
- Lutra, 152, 160 (fig.), 164, 175, 213, 517, 551
- Lutreola, 152 (fig.)
- Lydekker, R., 150, 181, 389, 390, 411, 412, 419
- Lyncodon, 175, 552
- Lynx, 153, 163, 169 (fig.), 517, 544 (dentition fig.)
- Lynxes, 141, 176, 543, 544, 552;
- Pleistocene, 204
- †Machairodontinæ, 54, 530, 535, 542;
- cursorial, 543;
- Oligocene, 535
- †Machairodonts, see Machairodontinæ, also see †Sabre-tooth tigers
- †Machairodus, 517, 534 (skull fig.), 536
- †Machairoides, 555, 573
- †Macrauchenia, 212 (restoration), 215, 216 (do.), 217, 227, 248, 489, 493, 495, 496 (skull fig.), 497 (do.), 498
- †Macrauchenid, Santa Cruz, 494 (restoration)
- †Macrauchenidæ, 248, 489, 496 (skull fig.), 497 (do.), 651;
- Deseado, 264, 499;
- Eocene, 499;
- Paraná, 228, 496;
- Pleistocene, 489;
- Pliocene, 493;
- Santa Cruz, 248, 493
- †Macrotherium, 354
- Madagascar, 173, 530;
- Pleistocene, 579;
- zoölogy of, 146
- Magnum, 83
- Malagasy region, 146
- Malay Archipelago, 146, 191, 580;
- islands, 281, 327, 408;
- Peninsula, 137, 281
- Malleolar bone, 87
- Mammal, defined, 1
- Mammalia, classification, 50;
- evolution of, 645;
- geographical distribution, 135;
- skeleton and teeth of, 61
- †Mammoth, 39, 196, 207, 332, 426, 427, 429;
- Siberian, 44
- Man, 60, 62, 66, 76 (scapula fig.), 77 (clavicle fig.), 79 (humerus fig.), 80 (fore-arm bones fig.), 82 (manus fig.), 84, 88 (pes fig.), 90, 93, 577, 578, 582;
- American Pleistocene, 589;
- European Palæolithic, 197;
- European Pleistocene, 39, 588;
- origin of, 588;
- in Western Hemisphere, 588
- Manatee, 207, 442
- Manatus, 442
- †Manteoceras, 272, 317 (head restored)
- Manus, 82 (fig.)
- Maples, 102
- Mara, 185
- Marine, fauna, Miocene, 117;
- Oligocene, 117;
- Pliocene, 127;
- habit, 2;
- mammals, 37, 45;
- rocks, 37;
- shells, Pleistocene, 132;
- Pliocene of England, 127
- Marmosa, 632
- Marmoset, 584 (fig.)
- Marmosets, 172, 578, 582, 583
- Marmot, 150, 152 (fig.)
- Marmota, 152 (fig.), 153
- Marmots, 60, 141, 153, 181, 245;
- Miocene, 229;
- Pliocene, 222
- Marsh, O. C., 318
- Marsupial, †allotherian, 286 (head restored), predaceous, Santa Cruz, 243 (restoration), 494 (do.), 636 (do.), 639 (do.)
- Marsupialia, 43, 57, 59, 459, 626;
- Araucanian, 226, 634;
- Australian, 145, 632, 638;
- Bridger, 268;
- carnivorous, 59;
- Casa Mayor, 282, 638, 642;
- Deseado, 261, 638, 642;
- distribution, 138;
- flesh-eating, 553;
- herbivorous, 59;
- insectivorous, 59;
- Miocene, S. Amer., 226;
- Paleocene, 284;
- Paraná, 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
- Martes, 517
- †Mastodon, 207, 426, 590;
- American, 195 (restoration), 196, 207, 229 (molar fig.), 428, (restoration), 429, 437 (head fig.), 438, 439, 448;
- Miocene, 431 (head restored)
- †Mastodon, 429, 430, 437 (head and molar fig.);
- †M. americanus, see †Mastodon, American;
- †M. andium, 436
- †Mastodons, 60, 264, 430, 438;
- Blanco, 222;
- early, 432;
- Miocene, 229, 234;
- Pleistocene, N. Amer., 196, 211;
- Pleisto., S. Amer., 215, 221, 436;
- Pliocene, 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
- †Megalictis, 517, 551
- †Megalocnus, 592, 604
- †Megalonychidæ, 592, 598, 610
- †Megalonychotherium, 592
- †Megalonyx, 195 (restoration), 206, 219, 221, 592, 597, 604, 607
- †Megamys, 226
- †Megatheriidæ, 591, 598, 607
- †Megatherium, 206, 212 (restoration), 220 (do.), 591, 597, 599, 602, 604, 608
- Mellivora, 551
- †Meniscotheriidæ, 457, 458
- †Meniscotherium, 457, 458, 459 (restoration)
- Menotyphla, 59
- Mephitis, 153, 167 (fig.), 517, 552
- Merriam, C. H., 140, 141, 147, 148, 150, 161
- Merriam, J. C., 31, 32, 538, 543
- †Merychippus, 291, 297, 298
- †Merychyus, 232, 361, 372, 373, 374, 377, 381, 382
- †Merycochœrus, 241, 361, 372, 373 (head restored), 374, 376, 381, 382 (manus fig.)
- †Merycodontidæ, 362, 414
- †Merycodus, 224, 362, 414, 415 (restoration), 417
- †Merycoidodon, 252 (restoration), 258, 259 (do.), 361, 379 (skull fig.), 382 (manus fig.), 536 (restoration)
- †Mesatirhinus, 271 (restoration), 314 (do.)
- Mesaxonic symmetry, 359
- †Mesocyon, 517, 528, 530
- †Mesohippus, 252 (restoration), 290, 300 (restor.), 302, 305 (skull fig.), 308 (manus and pes fig.), 326, 342, 343, 396, 397, 505
- †Mesonychid, 269 (restoration), 271 (do.)
- †Mesonychidæ, 554, 556, 558, 574;
- Bridger, 268, 559;
- Torrejon, 285, 560;
- Uinta, 265, 559;
- Wasatch, 277, 560;
- Wind River, 274
- †Mesonyx, 554, 559 (teeth fig.), 561
- †Mesoreodon, 361, 372, 378
- Mesozoic era, 15, 16, 18, 23, 103, 284, 574, 632, 643
- Metacarpal, 84
- Metacarpus, 83
- †Metacheiromys, 592, 616
- †Metamynodon, 255, 291, 346, 347 (restoration), 352, 510
- Metapodial, 90
- Metatarsal, 89
- Metatarsus, 89
- Metatheria, 626
- †Meteutatus, 592
- Mexico, 33, 179, 181, 199, 200, 207, 229, 419, 427, 585;
- Eocene, 104;
- lowlands, 142, 146, 164;
- mammals, 135, 141, 142;
- Miocene, 118, 121;
- plateau, 142;
- Pliocene, 125
- †Miacidæ, 527, 530, 554, 555, 556, 557, 562, 576;
- Bridger, 268;
- Torrejon, 285;
- Uinta, 519, 558;
- Wasatch, 277, 279;
- Wind River, 274
- †Miacis, 555, 558
- Mice, 60, 244;
- groove-toothed, 182;
- John Day, 249;
- jumping, 182;
- Miocene, 229;
- Pleistocene, S. Amer., 218;
- vesper, 182;
- white-footed, 153, 164, 182;
- White River, 254
- †Microbiotherium, 627
- Microtus, 153, 218
- Midas, 578
- Migration, of birds, 143;
- of mammals, 18, 19, 143;
- of †hyænodonts, 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
- †Miohippus, 290, 299
- †Miolabis, 362, 391
- Mississippi, Embayment, 104, 117;
- Valley, loess of, 133
- Missouri River, drowning of bison in, 36
- Mitchell, P. Chalmers, 52
- †Mœritherium, 434, 437 (head and molar fig.), 438, 439, 440, 441, 442, 450
- Molars, 93
- Mole, 2;
- Star-nosed, 152
- Moles, 59, 77, 89;
- American, 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;
- howling, 578, 585;
- Neotropical, 172, 586;
- New World, 583, 587;
- Old World, 583, 587;
- Pleistocene, 218, 586;
- Santa Cruz, 245, 586, 587;
- South American, 578, 583, 587;
- spider, 578, 584;
- Wind River, 275
- Monodelphia, 58, 59, 145
- Monotremata, 59;
- distribution, 138
- Monte Hermoso age and stage, 20, 129, 226, 479, 499, 508, 634
- Moose, 4, 65, 141, 151, 156 (fig.), 181, 202, 208, 411, 412, 413
- Moraine, Great Terminal, 131
- Moraines, 25
- †Moropus, 238, 240 (restoration), 291, 356 (manus fig.)
- †Morphippus, 462
- Moschus, 412
- Mt. Hood, 121;
- Kenya, 134;
- Tacoma, 121
- Mountain Lion, 153, 168 (fig.)
- Mountain ranges, as barriers to mammals, 142;
- history of, 23
- Mouse, Jumping, 153, 160 (fig.)
- Mouse-Deer, 54, 60, 358, 408.
- (See also Chevrotains and Tragulina)
- †Multituberculata, 642
- Mummies of Pleistocene rodents, 40
- Muntjac, Indian, 412
- Muntjacs, 412, 414, 658
- Musk-Ox, 148, 149 (fig.), 202, 207, 211, 418
- Musk-Oxen, 27, 141, 208, 210
- Muskrat, 2, 151, 153, 182
- Mustela, 159 (fig.), 160 (fig.), 517
- Mustelidæ, 174, 222, 265, 517, 518, 550, 553, 554;
- John Day, 249;
- Miocene, 238, 551;
- Old World origin, 550;
- Pleistocene, 551;
- Pleisto., S. Amer., 213;
- Pliocene, 223, 551;
- South American, 552;
- White River, 254, 551
- Mustelines, see Mustelidæ
- Mutation, 662
- Mycetes, 585
- †Mylagaulidæ, 222, 229, 233
- †Mylagaulids, see †Mylagaulidæ
- †Mylodon, 206, 212 (restoration), 219, 592, 597, 601, 602, 603 (restoration), 604, 607, 608 (pes fig.)
- †Mylodontidæ, 206, 592, 598, 602;
- Deseado, 610;
- Santa Cruz, 605, 607, 609
- †Mylodonts, see †Mylodontidæ
- Myocastor, 184
- Myodes, 153
- Myrmecophaga, 91, 187, 188 (fig.), 206, 355, 591, 600
- Myrmecophagidæ, 591
- Mystacoceti, 60
- Nasua, 162, 176, 213, 517, 546, 552
- Nasuas, 141
- Navicular, 88
- Navidad formation, 124
- †Necrolestidæ, 245
- †Nematherium, 592, 607
- Neogæa, 145
- Neogæic realm, 146, 164
- †Neohipparion, 33, 291, 298 (restoration), 299 (skeleton fig.)
- †Neoplagiaulax, 627
- Neotoma, 153, 164
- †Neotragocerus, 362
- Neotropical region, 146, 147, 164, 170 (map), 322, 363, 418, 436, 461, 552, 583, 591, 630
- †Nesodon, 243 (restoration), 462, 467 (skull fig.), 470 (restoration), 473 (pes fig.), 474, 475, 478, 482, 483, 498, 510, 511
- Neumayr, M., 663
- New Guinea, 634
- New York Zoölogical Society, 148, 149, 150, 151, 152, 154-169, 176-180, 182, 183, 186, 188, 189, 190, 292, 389, 584
- Newfoundland, Pliocene, 125
- New Zealand, 284;
- Miocene, 123
- Nicaragua, 218
- †Nimravus, 249, 541, 542 (skull fig.), 543
- Nomenclature, 50
- North America, the circumpolar area, 148;
- mammals of, 145;
- zoölogical divisions, 146, 147 (map)
- †Notharctidæ, 578
- †Notharctus, 578, 579
- †Nothocyon, 530
- †Nothrotherium, 592
- †Notohippidæ, 262, 462, 475
- Notohippus, 462, 476
- Notopithecidæ, 462
- †Notopithecus, 462
- †Notostylopidæ, 282, 462, 485
- †Notostylops, 462
- Notostylops Beds, 20, 281
- Notoungulata, 461, 489
- Nova Scotia, Pliocene, 125
- Nyctipithecus, 578, 585
- Oaks, 102
- Ocelot, 176 (fig.), 212, 552
- Ochotona, 153
- Octodon, 184
- Octodontidæ, 184
- †Octodontherium, 262
- Odocoileus, 95 (molar fig.), 153, 162, 202, 208, 360 (molar fig.), 362, 413;
- O. hemionus, 46 (fawns fig.), 167 (fig.);
- O. virginianus, 166 (fig.), 179, 412;
- O. virg. osceola, 179 (fig.)
- Odontoceti, 60
- Okapi, 45
- Old World, 101, 258, 266, 295, 327, 331, 332, 335, 341, 351, 353, 358, 386, 390, 413, 420, 426, 518, 550, 554, 558, 562, 583;
- camels, 138;
- horses, 201;
- mammals, 120, 121, 142;
- separation from N. A., 146
- †Oligobunis, 517, 551
- Oligocene epoch, 17;
- Europe, 324, 352, 370, 543, 552, 661;
- North America, 113, 114 (map), 204, 224, 265, 287, 378, 576, 658;
- South America, 20, 117, 282, 456, 485, 508, 512, 625
- †Omomys, 578
- †Onohippidium, 307
- Ontogeny, 648
- †Oödectes, 555, 558
- Opossum, 161 (fig.), 627;
- Water-, 627, 631
- Opossum-like forms, Cretaceous, 638
- Opossums, 2, 58, 59, 141, 161, 249, 626, 627, 630;
- Araucanian, 226;
- Bridger, 268;
- Casa Mayor, 282;
- Cretaceous, 631;
- Eocene, 631;
- European, 631;
- North American, 631;
- Oligocene, 631;
- Paleocene, 631;
- Paraná, 227;
- Pleistocene, 221;
- Santa Cruz, 244;
- South American, 190, 221, 631;
- White River, 251;
- Wind River, 274;
- woolly, 631
- Opsiceros, 327, 329, 330, 332, 350, 351
- Orders, distribution of, 138
- Ordovician period, 15
- Oreamnos, 152, 158 (fig.), 202, 416
- †Oreodon, 379
- †Oreodont, White River, 252 (restoration), 259 (do.), 536 (do.)
- †Oreodontidæ, 250, 361, 372, 383, 384, 385, 404, 436, 652, 661;
- Eocene, 372, 381;
- grazing, 232;
- John Day, 250, 375, 377, 379;
- Miocene, 231, 235, 241, 372, 374;
- Pliocene, 225, 373;
- Uinta, 267, 380;
- White River, 258, 377
- Oriental region, 146
- Ornithorhynchus, 57
- †Orohippus, 272, 290, 302
- Osborn, H. F., 18, 59, 102, 193, 194, 199, 207, 235, 241, 265, 273, 288, 297, 331, 340, 341, 345, 357, 406, 409, 414, 427, 450, 554, 655
- Otocyon, 656
- Ottawa valley, marine invasion of, 132
- Otter, 2, 160 (fig.), 175, 213
- Otters, 152, 164, 516, 517, 518, 550, 551;
- Miocene, 229, 234;
- Pleistocene, 204;
- South American, 552
- Ovibos, 149 (fig.), 202, 208, 362, 418
- Ovis, 152, 419
- Ox, 70
- Oxen, 54, 60, 362, 409, 416, 418
- †Oxyæna, 274, 277, 555, 565 (teeth fig.), 566 (do.), 571, 572 (restoration), 573
- †Oxyænidæ, 555, 568, 575;
- Bridger, 268, 568, 573;
- Uinta, 265, 573;
- Wasatch, 277, 571;
- Wind River, 274, 571
- †Oxyænodon, 555
- †Oxyclænidæ, 554, 561, 562, 568, 574
- †Oxyclænus, 554
- †Oxydactylus, 241, 362, 391, 392 (restoration), 393 (skeleton fig.)
- Owen, R., 217, 463, 467, 510, 603, 608
- Paca, 183 (fig.), 185
- †Pachyæna, 274, 277, 554, 560
- †Pachycyon, 522
- Pachydermata, 44, 490, 492, 654
- †Pachyrukhos, 227, 462, 478, 479, 639 (restoration)
- Pacific Coast, Eocene, 104, 111;
- mingling of mammals, 140;
- Miocene, 117, 120;
- Oligocene, 113;
- Paleocene, 101;
- Pleistocene, 132;
- Pleisto. volcanoes, 133
- †Palæarctonyx, 555
- †Palæomastodon, 432, 434, 435, 436, 437 (head and molar fig.), 438, 439, 440, 441, 450
- †Palæonictis, 277, 555, 574
- Palæontological method, 9, 11, 29
- Palæontology, 29, 649, 660, 663
- †Palæosyops, 272, 291, 314 (molar fig.), 317 (head restored), 318 (manus fig.)
- †Palæothentes, 627
- †Palæotherium, 490, 492, 661
- Palæozoic era, 15
- †Palæpanorthus, 627
- Paleocene epoch, 17, 99, 108, 253, 273, 276, 291, 443, 453, 454, 456, 459, 460, 519, 554, 557, 558, 560, 561, 562, 568, 578, 580, 625, 642
- Palms, 103, 111, 116, 122
- †Paloplotherium, 661
- Pamir, 419
- Pampas, 133, 142, 211, 213, 218, 219, 596
- Pampean Beds, 19, 133, 136, 228, 248, 463, 471, 478, 489, 493, 496, 498, 586;
- mammals, 212 (restorations), 489
- Panda, 546
- Pangolins, 60, 353
- †Panochthus, 592, 618, 620
- †Pantodonta, 443, 451
- †Pantolambda, 285 (restoration), 453, 454
- Paraguay, 164, 178, 189
- †Parahippus, 290, 297
- †Parahyus, 281, 361, 370
- Parallelism, 397, 649, 652, 653
- †Paramylodon, 592
- †Paramys, 270, 271 (restoration), 280
- Paraná age and stage, 20, 128, 242, 493, 499, 507, 635
- Paraná River, 34
- †Parapithecus, 583, 587
- †Parastrapotherium, 509, 512
- Paraxonic symmetry, 359
- Patagonia, 30, 40, 139, 178, 180, 184, 185, 189, 190, 191, 242, 263, 463, 467, 477, 586, 596;
- Cretaceous, 117, 632;
- Eocene, 112, 117;
- marine rocks, 112;
- Miocene, 123, 613;
- Oligocene, 117;
- Pleistocene glaciation, 133;
- Pliocene, 128;
- Tertiary, 20
- Patagonian age and stage, 20, 123, 474, 475, 479
- Patella, 86 (fig.)
- †Patriofelis, 271 (restoration), 274, 555, 568, 569 (restoration), 570 (pes fig.)
- †Paulogervaisia, 462, 488
- Peace Creek stage, 127, 221, 322
- Peccaries, 141, 178, 361, 363, 461;
- Bridger, 273, 365;
- John Day, 250, 365;
- Miocene, 232, 235, 239, 365;
- Oligocene, 365;
- Pleistocene, 201;
- Pleisto., S. Amer., 213, 215;
- Pliocene, 224, 226, 364;
- Uinta, 266, 365
- Peccary, 33, 60, 161, 177 (fig.), 222, 360 (molar fig.)
- Pecora, 54, 60, 362, 387, 402, 409, 420, 421;
- Neotropical, 179;
- Oligocene, 421;
- Pleistocene, 201
- †Pelecyodon, 592
- †Peltephilidæ, 592
- †Peltephilus, 592, 613 (skull fig.), 615
- Pelvis, 77
- †Pelycodus, 578, 580
- Penck, A., 134
- †Peraceras, 332
- Perameles, 58
- Peramys, 631
- †Peratherium, 627, 631
- †Perchœrus, 361, 365
- †Periptychidæ, 443
- †Periptychus, 443, 454
- Perissodactyla, 60, 247, 248, 284, 288, 310, 353, 354, 358, 359, 360, 383, 402, 450, 458, 484, 485, 491, 499, 507, 514, 651, 653;
- Bridger, 270, 344;
- †Clawed, 60, 353;
- Eocene, 289, 338, 339, 352, 354, 359;
- John Day, 250;
- Miocene, 230, 234, 238;
- Neotropical, 176;
- normal, 291, 355;
- Pleistocene, N. Amer., 199;
- Pleisto., S. Amer., 213;
- Uinta, 266;
- Wasatch, 280;
- of western hemisphere, 322;
- White River, 255;
- Wind River, 275
- Perissodactyls, see Perissodactyla
- Permian period, 15;
- climate of, 24, 25;
- glaciation, 25
- Peru, 178, 179, 180, 184, 356, 393, 548
- Petrifaction, 40
- Petrified forests, 122
- Phacochœrus, 363
- Phalangers, Australian, 244, 626, 640, 641, 642
- Phalanges, 84
- †Pharsophorus, 627
- †Phenacodontidæ, 457
- †Phenacodus, 277, 278 (restoration), 285, 457 (skeleton fig.), 458, 459
- Philippines, 579
- Philology, 646
- †Phlaocyon, 238, 517, 547
- Pholidota, 60, 353
- Phylogeny, 648
- Phylum, 56
- Pichiciago, 190, 592, 611
- Pig, 359 (fore-arm bones and manus fig.), 360 (pes fig.);
- Wild Texas, 161
- Pigs, 281
- Pikas, 59, 153, 181
- Pilosa, 60, 591, 592
- Pinnipedia, 59, 516
- Pisiform, 83
- Pithecia, 578, 585
- Pitheculus, 578
- Placenta, 58
- Placental mammals, 58, 59, 145
- †Plagiarthrus, 481
- †Plagiaulacidæ, 627
- Plagiodontia, 185
- †Planops, 591
- Plant-feeders, 92, 95
- Plantigrade, 90
- Plants, distribution, 141;
- Florissant, 121, 122;
- Green River, 109;
- Miocene, 122;
- Miocene of Andes, 124;
- Mioc. of Europe, 122;
- Oligocene of Alaska, 116;
- Oligo. of Europe, 116;
- Pliocene, 127
- Plateau region, 101, 111, 122;
- Pleistocene upheaval of, 133
- Plateaus as affecting spread of mammals, 142
- †Platygonus, 33, 202, 222, 361, 364
- Platyrrhina, 578, 583, 587
- Pleistocene epoch, 17, 129, 130, 172, 229, 239, 245, 246, 263, 264, 299, 324, 332, 335, 336, 350, 351, 354, 364, 365, 386, 391, 412, 413, 415, 416-419, 426-429, 436, 438, 439, 448, 485, 499, 518, 524, 530, 531, 545, 549, 551, 552, 586, 588, 614, 631, 632;
- climate, 25;
- effects of climate on animal distribution, 192;
- glaciation, 25;
- European, 661;
- lowest, 127;
- mammals, 195 (restorations);
- South American, 19, 20, 133, 296, 465, 476, 479
- †Pleurocœlodon, 462
- †Pliauchenia, 362
- Pliny, letter on eruption of Vesuvius, 30
- Pliocene epoch, 17, 112, 125;
- North American, 126 (map), 199, 201, 202, 229, 233, 238, 242, 245, 246, 248, 258, 263, 282, 295, 298, 299, 324, 327, 333-336, 340, 353, 354, 356, 357, 364, 365, 370, 372, 373, 386, 388, 390, 391, 413, 414, 416, 417, 421, 427, 429, 430, 435, 436, 485, 486, 493, 499, 507, 508, 524, 527, 530, 531, 534, 536, 545, 546, 547, 549-552, 554, 598, 612, 614, 632;
- South American, 20, 128, 466, 467, 479
- †Pliohippus, 291, 296, 307
- Pocket-gophers, 163, 164, 182;
- John Day, 249;
- Miocene, 229, 238;
- Pliocene, 222;
- Uinta, 265
- Pocket-mice, 191
- †Poëbrotherium, 252 (restoration), 257, 362, 394 (restor.), 397, 399 (skull and tooth fig.), 400 (manus fig.), 401 (pes fig.)
- †Pogonodon, 535, 541
- †Polydolopidæ, 627, 642
- †Polydolops, 627
- †Polymastodon, 286 (head restored), 627
- Polyprotodonta, 59, 627, 630, 640, 641
- Pompeii, 30
- Poplars, 102
- Porcupine, Brazilian Tree, 182 (fig.);
- Canada, 5, 151 (fig.), 153, 182, 205;
- Short-tailed, 150, 182, 205
- Porcupine group, 182, 262;
- suborder, 245
- Porcupines, 59, 184;
- short-tailed, 141;
- tree, Pleistocene, 218;
- tree, Santa Cruz, 245
- Porpoises, 3, 37, 45, 60, 94, 442, 656
- Port Kennedy Cave, 30, 210
- Port St. Julian, 489
- Portugal, caverns, 40
- Potos, 175 (fig.), 517, 546, 552, 558
- Pouched mammals, 57, 59.
- (See also Marsupialia)
- †Prœuphractus, 592
- Prairie-Dog, 169 (fig.)
- Prairie-dogs, 164, 181
- Praopus, 611
- Pre-Cambrian eras, 15
- Premolars, 93
- Pre-occupation, 142
- †Prepotherium, 591, 607, 608
- †Preptoceras, 202, 203 (restoration), 362, 418
- Primates, 60, 577;
- Bridger, 270;
- Eocene, 577;
- Santa Cruz, 587;
- South American, 587;
- Wasatch, 281, 580
- Priodontes, 190, 592, 610, 612, 614, 616
- †Proadinotherium, 262, 462
- †Proasmodeus, 462
- †Proborhyæna, 627, 638
- Proboscidea, 60, 230, 254, 264, 269, 422, 442, 446, 448, 449, 454, 455, 469, 487, 488, 514;
- African origin of, 234;
- American, 485;
- Eocene, 434;
- Miocene, 234, 238, 430;
- Oligocene, 432, 441;
- Pleistocene, N. Amer., 196;
- Pleisto., S. Amer., 436.
- (See also Elephants and †Mastodons)
- Proboscis, 65
- †Procamelus, 232 (restoration), 362, 391, 399 (skull and tooth fig.), 400 (manus fig.), 401 (pes fig.)
- †Procladosictis, 627
- †Procynodictis, 517, 529, 530
- Procyon, 163, 175, 213, 517, 546, 547;
- P. cancrivorus, 552;
- P. lotor, 153, 166 (fig.), 547 (dentition fig.), 552;
- P. †ursinus, 552
- Procyonidæ, 517, 518, 546;
- Miocene, 238, 547;
- South American, 552
- †Prodasypus, 592
- †Proectocion, 489
- †Proeutatus, 592, 614, 615 (skull fig.)
- †Proglires, 59
- †Promerycochœrus, 235, 251, 361, 375, 376 (restoration)
- †Pronesodon, 262, 462
- Prong Buck, 202, 225, 416, 417, 420. (See Antelope, Prong-horned)
- †Pronomotherium, 231, 361, 374, 375 (head restored), 376, 381
- †Propalæohoplophorus, 243 (restoration), 592, 606 (restor.), 623
- †Propolymastodon, 627
- †Propyrotherium, 462, 487
- †Prosthennops, 361
- †Protagriochœrus, 267, 361, 383, 385
- †Protapirus, 257, 291, 323 (skull fig.), 324 (head restored), 325 (teeth fig.)
- †Proteodidelphys, 627
- †Proterothere, single-toed, 506 (restoration);
- three-toed, 502 (restor.)
- †Proterotheres, see †Proterotheriidæ
- †Proterotheriidæ, 227, 248, 489, 499, 507, 653;
- Araucanian, 227, 508;
- Deseado, 264, 489;
- Paraná, 228, 499;
- Santa Cruz, 248, 501
- †Proterotherium, 248, 489, 504
- †Protheosodon, 489, 499
- †Prothoatherium, 489
- †Prothylacynus, 243 (restoration), 244, 627, 635, 636 (restor.), 637
- †Protitanotherium, 266, 313
- †Protobradys, 592, 595
- †Protoceras, 252 (restoration), 258, 362, 405 (restor.), 406 (skull fig.), 407, 445
- †Protodonta, 59
- †Protogonodon, 457
- †Protohippus, 291, 305 (skull fig.), 306 (manus and pes fig.)
- †Protolabis, 362, 391
- †Protomeryx, 241, 251, 362, 391
- †Protopithecus, 218
- †Protoreodon, 267, 361, 380 (skull fig.), 381
- Prototheria, 57, 59, 76
- †Protylopus, 267, 362, 397, 399 (skull and tooth fig.), 400 (manus fig.), 401 (pes fig.)
- †Protypotherium, 243 (restoration), 462, 479, 480 (restor.)
- Province, zoölogical, 145
- †Prozaëdius, 592
- †Pseudælurus, 517, 545
- †Pseudocladosictis, 627
- †Pseudolabis, 362
- †Pseudolestodon, 592
- †Pterodon, 253, 555, 565 (teeth fig.), 566 (do.), 567, 576
- †Ptilodus, 627, 642 (skull fig.), 643 (head restored)
- Pudu, 180
- Pudua, 180
- Puerco age and stage, 17, 99, 101, 454, 460, 561
- Puma, 168 (fig.), 212, 544 (dentition fig.), 545 (skull fig.);
- South American, 552
- Pumas, 153, 163, 176;
- Pleistocene, 204
- Pyramidal, 83
- Pyrenees, 104
- †Pyrotheres, see †Pyrotheria
- †Pyrotheria, 60, 462, 485, 500;
- Casa Mayor, 283, 488;
- Deseado, 262, 485
- †Pyrotherium, 264, 462, 485, 486 (head restored)
- Pyrotherium Beds, 20, 117, 261, 486
- Quadrumana, 582
- Quadruped, 1
- Quaggas, 292
- Quaternary period, 15, 17, 61, 100, 129, 267, 319;
- South America, 19
- Quicksands, burial of mammals in, 37
- Rabbit, 218
- Rabbits, 59, 141, 142, 164, 245;
- White River, 254
- Raccoon, 153, 162, 163, 166 (fig.), 175, 547 (dentition fig.), 553;
- Crab-eating, 552
- Raccoon-family, Miocene, 238;
- Pliocene, S. Amer., 226
- Raccoons, 5, 90, 213, 517, 518, 519, 546, 553;
- Miocene, 229, 547;
- Paraná, 227;
- Pleistocene, 204;
- Tertiary, 547
- Race, geographical, 52
- Radius, 80
- Raised beaches, 113, 134
- Rancho La Brea, 31
- Rangifer, 70, 152, 157 (fig.), 202, 208, 362, 412
- Ratel, 551
- Rats, 60, 245;
- fish-eating, 182;
- Pleisto., S. Amer., 218;
- spiny, 184
- Rattlesnake stage, 127
- Ray. J., 51
- Realm, zoölogical, 145
- Recent epoch, 17, 132, 335, 336;
- South American, 19
- Reduction of parts, 656
- Region, zoölogical, 145
- Reindeer, 70, 141, 412;
- Lapland, 152;
- Pleistocene, 27
- Reptiles, see Reptilia
- Reptilia, 55;
- as ancestral to mammals, 643;
- distribution, 141;
- Mesozoic, 284;
- Oligocene, 117;
- Paleocene, 284;
- Santa Cruz, 244;
- teeth of, 92;
- Triassic of S. Africa, 644
- Republican River age, 17, 127
- Restorations, how made, 42
- Rheithrodon, 182
- Rhinoceros, 350, 490, 492;
- African, 327, 328, 329, 337;
- †aquatic, 347 (restoration);
- Bornean, 44;
- Broad-lipped, 329, 351, 448;
- †cursorial, 252 (restor.), 341 (do.), 343 (manus fig.), 344 (restor.);
- †hornless, 252 (restor.), 256 (do.), 335 (skull fig.);
- Indian, 44, 327, 328, 329;
- Javan, 327, 328 (skull fig.), 473;
- †paired-horned, 239 (restor.);
- †primitive, 271 (restor.);
- †small-horned, 230 (restor.);
- Sumatran, 327, 329;
- White, 329;
- †Woolly, 332
- Rhinoceros, 327;
- R. sondaicus, 327, 328 (skull fig.), 473;
- R. unicornis, 329
- Rhinoceroses, 45, 56, 60, 63, 91, 289, 312, 382, 461, 510, 654, 655, 661;
- African, 346;
- †aquatic, 291, 340;
- †aquatic, Bridger, 272;
- †aquatic, Uinta, 348;
- †aquatic, White River, 346;
- bones of, 35;
- †cursorial, 291, 340;
- †cursorial, Bridger, 272, 343;
- †cursorial, Uinta, 266;
- †cursorial, White River, 255, 340;
- †cursorial, Wind River, 275;
- Eocene, 338, 339;
- hairy, 448;
- John Day, 250, 256, 333;
- Miocene, 230, 234, 238, 256, 332, 333;
- North American, 39, 199;
- Oligocene, 333;
- Pliocene, 224, 331;
- †paired-horned, 256, 444;
- phyla of, 289, 650;
- Siberian, 39;
- true, 291, 326, 340, 346, 350, 351;
- true, Uinta, 266;
- true, White River, 255, 333;
- White River, 255, 333
- Rhinocerotidæ, 291, 326, 340, 350
- †Rhynchippus, 462
- Ribs, 74 (fig.);
- sternal, 74
- Rio de La Plata, 128
- River deposits, 36
- Robin, 50
- Rocky Mts., 101, 150, 153;
- Pleistocene glaciers, 131
- Rodent, †primitive, 271 (restoration);
- Santa Cruz, 243 (do.)
- Rodentia, 5, 59, 282, 283, 284, 459, 629;
- Araucanian, 226;
- Boreal, 153;
- Bridger, 270;
- Deseado, 587;
- distribution, 138;
- John Day, 249;
- jumping, 90;
- Miocene, 229, 233, 237;
- Neotropical, 183 (figs.);
- Paraná, 227;
- Pleistocene, 134, 205;
- Pleisto., S. Amer., 218;
- Pliocene, 222;
- Santa Cruz, 245;
- simplicidentate, 628;
- Sonoran, 163;
- South American, 181;
- Uinta, 265;
- Wasatch, 280;
- White River, 254;
- Wind River, 275;
- West Indian, 191
- Rodents, see Rodentia
- Roots of teeth, 95
- Rootless teeth, 96
- Rosebud stage, 120, 235
- Ruminants, 81, 84, 87, 281, 373, 651;
- hollow-horned, 328;
- Miocene, 232;
- true, 54, 201, 362, 387, 402, 409, 446
- Russell, I. C., 589
- Sables, 141
- †Sabre-tooth, 32;
- cat, 252 (restoration);
- cats, 659;
- false, 542 (skull fig.);
- primitive, 539 (restor.);
- Tiger, frontispiece (restor.), 195 (restor.), 517, 531 (skull fig.), 534 (do.), 536 (restor.);
- tigers, 54, 210, 530, 552;
- Miocene, 229, 234, 534;
- Oligocene, 535;
- Pleistocene, 204;
- Pleisto., S. Amer., 211;
- Pliocene, 223
- †Sabre-tooths, 265, 650;
- false, 249, 541;
- John Day, 249, 535, 541, 542;
- Miocene, 238;
- White River, 254.
- (See also †Machairodontinæ)
- Sacramento Valley, Miocene, 118
- Sacrum, 73 (fig.)
- †Sadypus, 592
- Sagittal crest, 63
- Saiga, 65
- Saiga Antelope, 65
- St. Elias Alps, 101
- St. Lawrence Valley, invasion of, by sea, 133
- Sakis, 578, 585
- Saline water, 34
- Salisbury, R. D., 130
- Salt Lake, Utah, 131
- Salt lakes, 24
- Sand, wind-blown, 33
- Santa Cruz age and stage, 20, 30, 124, 262, 263, 264, 282, 283, 467, 470, 473, 474, 475, 477, 479, 481, 482, 485, 493, 499, 500, 501, 504, 508-512, 586, 587;
- mammals, 243 (restorations)
- Santa Cruz Mts., Calif., 118
- Santa Cruz River, as barrier to armadillos, 139
- Sapajou, 584 (fig.)
- Sarcophilus, 634
- Sarmiento, 143
- †Scalibrinitherium, 489, 493, 495, 496 (skull fig.), 497 (do.)
- Scalops, 163
- Scalpriform teeth, 96 (fig.)
- Scapanus, 163
- Scaphoid, 83
- Scapho-lunar, 83
- Scapula, 76 (fig.)
- †Scelidotherium, 592, 601, 602, 604
- †Schismotherium, 592
- †Schizotherium, 291, 357
- Schlosser, M., 262, 380, 514, 555, 583, 625, 661
- Schuchert, C., 105, 114, 119, 126
- †Sciuravus, 280
- Sciuromorpha, 270
- Sciuropterus, 164
- Sciurus, 164 (fig.)
- †Sclerocalyptus, 219, 592, 618, 620
- Scleropleura, 592, 611
- Scott, D. H., 288
- Sea-Cow, 60, 207, 442
- Sea-Otter, 517, 518
- Seals, 1, 2, 3, 37, 56, 59;
- Pleistocene, 132
- Seas, barriers to land mammals, 139
- Section, geological, 7, 9 (diagram)
- Sedimentary rocks, 6
- Sediments, 6
- Selenodont tooth, 360 (fig.);
- origin of, 651
- Sewellel, 153, 233
- Sewellels, 249;
- Miocene, 238
- Shales, Florissant, 129;
- Green River, 109
- Sheep, 54, 60, 93, 362, 409, 416, 418, 419, 420;
- Rocky Mt., 152, 419
- Shells, fossil, 662
- Sheridan stage, 33, 131, 133, 200
- Shrews, 59, 141, 173, 191;
- American, 163;
- jumping, 59;
- Old World, 152;
- tree, 59
- Siberia, 197, 207, 332, 350, 426;
- frozen carcasses in, 39
- Sierra Nevada, 101, 122, 150, 153;
- Miocene, 118;
- Pleistocene glaciers, 131
- Sigmodon, 163
- Silurian period, 15
- Simiidæ, 583
- Simplicidentata, 60
- Sinclair, W. J., 107, 437
- †Sinopa, 565 (teeth fig.), 566 (do.), 633
- Sirenia, 60, 442
- Sitomys, 153, 164, 182
- Skeleton, 61;
- significance of, 42
- Skull, 61
- Skunk, 163, 167 (fig.), 213, 517;
- Argentine, 174 (fig.);
- Little, 174 (fig.);
- Spotted, 517
- Skunks, 153, 163, 174, 210, 518, 550, 551;
- Pleistocene, 204;
- South American, 552
- Sloth, Three-toed, 186 (fig.), 591;
- Two-toed, 74, 187 (fig.), 591
- Sloths, 2, 60, 97, 186, 189, 592;
- Araucanian, 226;
- Pleistocene, 218;
- Santa Cruz, 245
- †Smilodon, frontispiece (restoration), 195 (do.), 204, 211, 517, 531 (skull fig.), 532 (teeth fig.), 535, 536, 537, 544, 553, 622
- Smith, Perrin, 23
- Smith, William, 7, 9
- Smith River stage, 121
- Snake Creek age and stage, 17, 127, 222, 388
- Snakes, 244;
- Paleocene, 284
- Solenodon, 173 (fig.)
- Solitary species, 38
- Sonoran region, 146, 147 (map), 152, 153, 161, 176, 178, 191, 363
- Sorex, 152
- South Africa, 14;
- Permian glaciation, 25;
- Triassic reptiles, 644
- South America, Eocene separation from N. Amer., 104;
- Miocene junction with N. Amer., 120;
- Permian glaciation, 25;
- Pleistocene Man, 589;
- zoölogical divisions, 173 (map);
- zoölogy, 146
- South Australia, dry lakes of, 34
- South Shetland Islands, 124
- Sparnacian stage, 108
- Species, definition, 51;
- distribution, 136;
- origin, 20
- Specific area, 136
- Spermophilus, 163 (fig.), 164
- †Sphenophalus, 362
- Spilogale, 174 (fig.), 517, 552
- Spiny rats, Pleistocene, 218
- Sports, 660
- Squirrel, Grey, 164 (fig.);
- suborder, 270
- Squirrels, 2, 60, 245;
- flying, 164;
- John Day, 249;
- Miocene, 229, 238;
- true, 164, 181;
- White River, 254
- Stag, 358;
- European, 151;
- Thian Shan, 151
- †Stag-Moose, 195 (restoration), 208, 209 (restor.), 413
- Stage, geological, 15
- Stalagmite, 30
- Stations, 136
- †Stegodon, 430, 439
- †Stegodonts, 438
- †Stegotherium, 243 (restoration), 480 (do.), 592, 614, 615 (skull fig.)
- †Stenomylus, 241, 242 (restoration), 362, 393, 408
- Sternum, 75 (fig.)
- †Stibarus, 361
- Stirling, E. C., 34, 35
- Straits, of Lombok, 135;
- of Magellan, 143
- Stratified rocks, 6
- Stream-channels, White River, 113
- †Stylinodon, 274
- †Stypolophus, 555
- Subregion, zoölogical, 145
- Subsidences, Pleistocene, 132
- Subungulata, 514
- Suillines, 661
- Suina, 54, 60, 361, 362
- Sumatra, 21, 140, 327
- Superposition of beds, 7, 8 (diagram)
- Sus, 359 (fore-arm bones fig.), 363
- Swamps, burial of mammals in, 33
- Swan, 70
- Swine, 54, 60;
- American, 363;
- Old World, 363, 364;
- Pleistocene, 201;
- true, 364, 365.
- (See also Peccaries)
- Swine-like animals, 361, 362
- Sycamores, 102
- †Symbos, 208, 362, 418
- Synaptomys, 153
- †Syndyoceras, 241, 258, 362, 403 (restoration), 404, 406, 407
- Syria, 481
- †Systemodon, 280, 291, 324
- †Tæniodontia, 60, 276, 625;
- Bridger, 267;
- Puerco, 286;
- Wind River, 274
- Tagassu, 161, 177 (fig.), 178, 360 (tooth fig.), 361, 363 (dentition fig.), 364
- Tagassuidæ, 361, 363
- Takin, 418
- †Taligrada, 443
- Tamandua, 187, 188 (fig.), 591
- Tamias, 153
- Tapir, 47 (fig. of young), 81 (fore-arm bones fig.), 87 (leg-bones fig.), 289 (manus fig.), 290 (pes fig.), 320 (adult fig.), 321 (skull fig.), 471, 490, 492;
- Asiatic, 321;
- Pinchaque, 322;
- White River, 323 (skull fig.), 324 (head restored)
- †Tapiravus, 291
- Tapiridæ, 60, 65, 89, 141, 176, 289, 291, 312, 315, 319, 330, 341, 348, 359, 461, 651, 653;
- American, 322;
- Bridger, 272;
- distribution, 137;
- Eocene, 323;
- John Day, 250;
- Miocene, 231, 234, 322;
- North American, 39;
- Oligocene, 323, 339;
- Pleistocene, 199, 201, 208, 210, 322;
- Pleisto., S. Amer., 213, 215;
- Pliocene, 223, 322;
- South American, 324;
- Uinta, 266;
- Wasatch, 280, 324;
- White River, 257, 322
- Tapiroid, 272, 315
- Tapiroids, 321
- Tapirs, see Tapiridæ
- Tapirus, 176, 291;
- T. †haysii, 201, 322;
- T. roulini, 322;
- T. terrestris, 47 (young fig.), 87, 201, 289 (manus fig.), 290 (pes fig.), 320 (adult fig.), 321 (skull fig.), 322, 325 (upper teeth fig.)
- Tardigrada, 186, 591, 592, 610;
- Araucanian, 226.
- (See also Sloths)
- Tarija Valley, Pliocene, 129, 225
- Tar-pools, 31;
- Pleistocene, 32
- Tarsier, 281, 580
- Tarsiids, 583
- Tarsius, 281, 580
- Tarsus, 88
- Tasmania, 138, 632, 634
- Tasmanian Devil, 627, 634;
- Wolf, 43, 226, 244, 626, 632, 633 (fig.)
- Tatu, 160, 190 (fig.), 592, 593, 612
- Taurotragus, 202
- Taxidea, 153, 162, 168 (fig.), 517
- Tayra, 175 (fig.), 213, 517, 552
- Teeth, 92;
- importance of fossil, 38
- †Teleoceras, 291, 331, 332, 333, 350
- †Telmatherium, 291
- †Temnocyon, 517, 528, 530
- Temperature as a barrier to species, 140, 141
- Tenrecs, 173
- †Tephrocyon, 517, 522, 527, 530
- Tertiary period, 15, 17, 19, 99, 267, 319, 369, 413, 460, 531;
- Central America, 22;
- Culebra, 22;
- Great Plains, 36;
- Patagonia, 20;
- South America, 20, 248, 461, 463;
- Tierra del Fuego, 20
- Terrestrial habit, 2
- †Tetrabelodon, 430, 437
- Thalarctus, 148 (fig.)
- †Theosodon, 243 (restoration), 248, 489, 493, 494 (restor.), 496 (skull fig.), 497 (do.), 498 (manus fig.)
- Thian Shan, 419
- †Thinohyus, 361
- †Thoatherium, 243 (restoration), 248, 489, 500, 501, 504, 505 (skull fig.), 506 (restor.), 507 (pes fig.)
- †Thomashuxleya, 462, 485
- Thomomys, 164
- Thorax, 74
- Thousand Creek age and stage, 17, 127
- Thylacine, 43, 632, 633 (fig.), 634, 635.
- (See also Tasmanian Wolf)
- Thylacynidæ, 627, 632
- Thylacynus, 43, 226, 244, 632, 633 (fig.)
- Tibet, 224, 418
- Tibia, 86, 87 (fig.)
- Tierra del Fuego, 20, 178
- Tiger, 45
- †Tillodontia, 59, 276;
- Bridger, 267;
- Wasatch, 276;
- Wind River, 274
- Time, geological, 16
- †Titanothere, 253 (restoration), 271 (do.), 309 (do.), 314 (restor. and fig. of molar)
- †Titanotheriidæ, 291, 308, 317 (heads restored), 334, 352, 353, 357, 366, 445, 446, 458, 465, 654, 661;
- Bridger, 270, 313;
- Oligocene, 310, 314, 315, 339;
- Uinta, 266, 313;
- White River, 255, 310, 313, 315;
- Wind River, 275, 276, 315
- †Titanotherium, 253 (restoration), 291, 309 (restor.), 310 (molar fig.), 311 (skull fig.), 317 (head restored), 318 (fig. of manus)
- Tolypeutes, 189, 592, 611, 616
- Toronto, interglacial beds near, 130
- Torrejon age and stage, 17, 99, 101, 286, 453, 561
- Tortoises, 244;
- Paleocene, 244
- †Toxodon, 212 (restoration), 215, 217 (restor.), 462, 463, 466 (skull fig.), 467, 468, 469, 471, 472 (pes fig.), 473, 477, 487
- †Toxodont, 498;
- horned, 228 (head restored), 263 (do.);
- Pampean, 212 (restoration), 217 (do.);
- Santa Cruz, 243 (restor.), 467 (skull fig.);
- Santa Cruz horned, 474 (restor.)
- †Toxodonta, 60, 282, 462, 463, 477, 482, 483, 487, 500, 509, 511, 652;
- Araucanian, 227;
- Deseado, 262, 264, 474;
- Paraná, 228;
- Santa Cruz, 246, 467
- †Toxodontia, 60, 355, 461, 478, 485, 489, 492, 500, 514;
- Pleistocene, 215, 221
- †Toxodontidæ, 462, 474
- †Toxodonts, see †Toxodonta
- Tragulina, 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;
- Pleistocene, 596;
- Santa Cruz, 596.
- (See also Sloths)
- Tremarctos, 172, 176 (fig.), 517, 548, 552
- Trèves, 10
- Triassic period, 15, 16, 642, 643;
- climate, 24
- †Triconodonta, 59
- Trier, cathedral of, 10
- †Trigodon, 227, 228 (head restored), 462, 466, 473, 474
- †Trigonias, 256, 291, 336, 337 (skull and front teeth fig.), 338, 339 (manus fig.), 351
- †Trigonolestes, 281, 361, 398
- †Trigonolestidæ, 361
- †Trigonostylopidæ, 509, 512
- †Trigonostylops, 509
- †Triisodon, 554, 561
- †Trilophodon, 229
- Trinidad, 170
- Trinomial system of nomenclature, 52
- †Triplopus, 266, 272, 343 (manus fig.), 345
- †Tritemnodon, 271 (restoration), 555, 565 (teeth fig.), 566 (do.), 567 (restor.), 576, 633
- †Trituberculata, 59
- Tropical species, distribution, 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
- †Typothere, 243 (restoration), 480 (do.), 636 (do.), 639 (do.)
- †Typotheres, see †Typotheria
- †Typotheria, 60, 215, 372, 462, 476;
- Araucanian, 227;
- Casa Mayor, 282, 479;
- Deseado, 263, 264;
- Paraná, 228;
- Pleistocene, 215, 221, 476;
- Santa Cruz, 246, 479;
- Tertiary, 215
- †Typotheriidæ, 462, 476
- †Typotherium, 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, 397-400, 409, 443, 519, 527, 529, 557, 559, 573, 579
- Uinta Mts., 106, 108;
- Pleistocene glaciers, 131
- †Uintacyon, 555, 558
- †Uintatheres, see †Uintatheriidæ
- †Uintatheriidæ, 285, 443, 444, 445 (skull fig.), 451, 452, 454, 465, 509, 532;
- Bridger, 269, 443;
- Wasatch, 279, 451;
- Wind River, 274, 450
- †Uintatherium, 51, 271 (restoration), 443, 444, 445 (skull fig.), 447 (restoration)
- Ulna, 80
- Unciform, 83
- Unconformity, 312
- Ungual phalanx, 84
- Ungulata, 60, 513, 516;
- primitive, 460;
- Santa Cruz, 481, 511;
- †short-footed, 443;
- South American 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
- Ursidæ, 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
- Vicuña, 178 (fig.)
- Virgin Valley stage, 127
- Viscaccia, 183 (fig.), 185
- †Viverravus, 555, 558
- Viverridæ, 518, 553, 554, 558
- Viverrines, see Viverridæ
- 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;
- Florissant, 121;
- Miocene, 118;
- Pliocene, 125
- Volcanoes, 133
- Voles, 182
- Voltaire, 646
- Vulcanism, Miocene, 118, 121;
- Pliocene, 127
- †Vulpavus, 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-Sparnacian stage, 115
- Water Hog, 183 (fig.), 185, 205, 211.
- (See also Capybara and Carpincho)
- Weasel, 551;
- family, 174;
- Miocene, 238;
- Pleisto., S. Amer., 213;
- tribe, 518
- Weasels, 59, 152, 517;
- Miocene, 229, 238;
- Pleistocene, 204, 205
- Weber, M., 426
- Western Hemisphere, marsupials, 626
- West Indian, islands, 164, 191;
- shells on N. J. coast, 113;
- subregion, 170 (map)
- West Indies, 583;
- Eocene, 112;
- Oligocene, 113;
- Paleocene, 103;
- Pleistocene, 134;
- zoölogy, 146
- Whale, Right, 48
- Whales, 1, 2, 3, 37, 45, 60, 74, 442;
- Miocene, 123;
- Pleistocene, 132;
- toothed, 60;
- whalebone, 60, 94
- White Mts., Labrador plants of, 193
- White River age and stage, 11, 12, 17, 113, 250, 266, 267, 270, 271, 272, 312, 325, 326, 340, 341, 346, 350, 357, 365-371, 375, 377-380, 382-385, 394-396, 399, 405, 407, 408, 523, 528-530, 535, 538-541, 546, 557, 562, 563, 565, 566, 631;
- mammals, 252 (restorations)
- Wild-cats, 141
- Willamette Valley, Miocene, 115
- Williston, S. W., 33, 589
- Willows, 102
- Wind River age and stage, 17, 109, 273, 315, 316, 326, 339, 350, 400, 450, 452, 456, 457, 460, 568, 571
- Windward Islands, Pleistocene, 134
- Winter, destruction of mammals by, 36
- Wisent, 152
- Wolf, 32, 62 (skull fig.), 64 (do.), 69 (dorsal vertebra fig.), 70 (atlas fig.), 71 (axis fig.), 72 (cervical and dorsal vertebræ fig.), 73 (lumbar and caudal fig.), 74 (ribs fig.), 75 (ribs and sternum fig.), 76 (scapula fig.), 77 (hip-bone fig.), 78 (humerus fig.), 80 (fore-arm bones fig.), 82 (manus fig.), 85 (femur fig.), 86 (femur and patella fig.), 87 (leg-bones fig.), 88 (pes fig.), 92, 93 (dentition fig.);
- Fox-like, 171 (fig.);
- Grey, 152, 159 (fig.);
- Large-eared, 656;
- Miocene, 522 (skull fig.);
- Timber, 159 (fig.), 162
- Wolverene, 141, 152, 155 (fig.), 213, 238, 517, 551;
- Pleistocene, 204
- Wolves, 59, 164, 173, 249, 517, 518, 520, 523, 525, 530;
- fox-like, 173, 212, 552;
- Pleistocene, 204;
- Pliocene, 222;
- White River, 254
- Wombats, 640
- Woodchuck, 152 (fig.), 153
- Wood-rats, 141, 153, 164
- Wortman, J. L., 383, 385, 399, 570, 571
- †Xotodon, 462
- Yapock, 631
- Yellowstone Park, petrified forests, 122;
- Miocene lava, 122;
- Pliocene lava, 127
- Young animals, colour pattern of, 46
- Yucatan, 128
- Yukon Valley, Miocene, 118
- Zaëdyus, 190, 592
- Zapus, 153, 160 (fig.)
- Zebra, 44;
- bones of, 35;
- Burchell’s, 200
- Zebras, 213, 292, 308
- †Zeuglodontia, 60
- Zittel, K. von, 601
- Zoölogy, Experimental, 648, 663
- †Zygolestes, 627, 641
- Zygomatic arch, 65