760 
INDEX 
Molossus, 670 
Monachus, 604 
Monatheriwm, 606 
Monkey, 699 
Monodelphia, 173 
Monodon, 260 
Monophylla, 674 
Monophyodont, 20 
Moose, 326 
Morenia, 484 
Mormops, 672 
Moropus, 413 
Morotherium, 413 
Morse, 597 
Moschine, 314 
Moschus, 314 
Moufflon, 356 
Mouse, 475 
Mouth, 54 
Mulita, 201 
Multituberculata, 109 
Mungoose, 535 
Muntjac, 316 
Muride, 461 
Mus, 473 
Muscardinus, 460 
Musk Deer, 314 
Ox, 358 
Rat, 470, 626 
Musquash, 470 
Mustela, 579 
Mustelidce, 567 
Mycetes, 711 
Mydaus, 575 
Mylodon, 189 
Myodes, 467 
Myogale, 628 
Myolagus, 492 
Myomorpha, 459 
Myopotamus, 482 
Myoscalops, 478 
Myosorex, 625 
Myoxide, 459 
Myoxus, 459 
Myrmecobiine, 140 
Myrmecobius, 140 
Myrmecophaga, 190 
Myrmecophagide, 190 
Mysurachne, 634 
Mystacina, 671 
Mystacoceti, 234 
Mystacops, 671 
Mystromys, 462 
Myzxocebus, 689 
Myzxopoda, 665 
Nalizs, 12 
Nakong, 346 
Nandinia, 534 
Nanotragus, 339 
Nares, 66 
Narwhal, 261 
Nasalis, 725 
Nasua, 566 
Natalus, 664 
Nearctic region, 102 
Necrogymnurus, 621 
Necrolemur, 696 
Necromantis, 679 
Nectogale, 627 
Nectomys, 464 
Nemorhedus, 350 
Neobalena, 241 
Neofiber, 472 
Neomeris, 266 
Neoplagiaulax, 113 
Neosorex, 624 
Neotoma, 464 
Neotragus, 338 
Neotropical region, 103 
Nerves, 71 
Nesocerodon, 491 
Nesocia, 475 
Nesodon, 439 
Nesomys, 465 
Nesonycteris, 655 
Nesotragus, 339 
Neurotrichus, 629 
Nilghai, 345 
Nimravus, 524 
Noctilio, 668 
Nostrils, 66 
Notharctus, 698 
Nothropus, 188 
Nothrotherium, 184 
Notiosorex, 624 
Notopteris, 654 
Nototheriide, 172 
Nototherium, 171 
Nyctereutes, 552 
Nycteride, 658 
WNycteris, 659 
Nycticebus, 691 
Nycticejus, 662 
Nyctilestes 665 
Nyctinomus, 670 
Nyctipithecus, 714 
Nyctitherium, 665 
Nyctophilus, 661 
Ocetot, 521 
Ochetodon, 464 
Octodon, 481 
Octodontide, 480 
Odobcenus, 597 
Odontoceti, 247 
Ogmorhinus, 605 
Ommatophoca, 605 
Onotragus, 339 
Onychogale, 166 
Onychomys, 463 
Opossum, 133 
Orang, 731 
Orca, 267 
Orcella, 267 
Oreas, 348 
Oreodon, 293 
Oreopithecus, 728 
Oreotragus, 339 
Oriental region, 100 
Ornithodelphia, 117 
Ornithorhynchide, 119 
Ornithorhynchus, 119 
Orohippus, 374 
Orotherium, 374 
Orthaspidotherium, 634 
Orthomys, 484 
Orycteropodide, 208 
Orycteropus, 208 
Oryx, 343 
Oryzomys, 463 
Oryzorictes, 688 
Otaria, 593 
Otariida, 593 
Otocyon, 554 
Otomys, 462 
Otonycteris, 661 
Otopterus, 673 
Otter, 568 
Sea, 571 
Ounce, 517 
Ovaries, 75 
Ovibos, 357 
Oviduct, 75 
Ovis, 354 
Oxen, 360 
Oxhycena, 608 
Oxymycterus, 464 
Paca, 489 
Pachyacanthus, 224 
Pachydermata, 87 
Pachynolophus, 374 
Pachyuromys, 462 
Paciculus, 465 
Palearctic region, 97 
Paleocastor, 458 
Paleocetus, 245 
Paleoerinaceus, 621 
Paleolemur, 697 
Paleomanis, 208 
Paleomeryx, 330 
Palconycteris, 657 
Paleophoca, 606 
Paleopontoporia, 259 
Paleoprionodon, 539 
Paleeoreas, 348 
Paleoryx, 344 
Paleospalax, 629 
Paleosyops, 413 
Paleotapirus, 373 
Paleotheriide, 375 
Paleotherium, 375 
