AaRbD-WoLr, 540 
Aard-Vark, 211: 
Absorbent system, 63 
Acanthoglossus, 125 
Acanthomys, 476 
Aceratherium, 411 
Achenodon, 292 
_ Achyrodon, 114 
Acrobates, 155 
Acrotheriwm, 440 
Adapis, 697 
Adapisorex, 634 
Adapisoricida, 634 
Adapisoriculus, 634 
Addax, 345 
Adenota, 339 
Adinotheriwm, 440 
Aslurictis, 524 
Ajlurodon, 562 
Asluroidea, 501 
aliluropus, 560 
Ailurus, 562 
pyceros, 341 
Aipyprymnus, 164 
Agabelus, 260 
Agouti, 488 
Agriocherus, 293 
Ai, 182 
Air-sacs, 68 
Alactaga, 480 
Albinism, 10 
Alcelaphus, 334 
sllces, 326 
Allantois, 77 
«ldlodon, 111 
Allops, 413 
Allotheria, 109 
Alpaca, 303 
Amblotherium, 114 
Amblypoda, 436 
Amorphochilus, 666 
Amphictis, 539 
Amphicyon, 555 
INDEX 
Amphidozotherium, 6384 
Amphilestes, 114 
Amphiperatherium, 135 
Amphisorex, 628 
Amphitheriwm, 114 
Amphitragulus, 330 
Amynodon, 412 
Anaptomorphus, 697 
Anchilophus, 376 
Anchippodus, 441 
Anchitherium, 376 
Ancylopoda, 413 
Ancylotherium, 413 
Anoa, 361 
Anomaluride, 449 
Anomalurus, 449 
Anoplotheriida, 293 
Anoplotherium, 294 
Anteater, 191 
Scaly, 205 
Antebrachium, 47 
Antechinomys, 139 
Antelopes, 334 
Anthops, 657 
Anthorhina, 674 
Anthracotheriide, 292 
Anthracotherium, 292 
Anthropoidea, 699 
Anthropopithecus, 736 
Antilocapra, 333 
Antilocapride, 333 
Antilope, 340 
Antlers, 308 
Antrozous, 661 
lnurosorex, 626 
Aoudad, 356 
Apar, 199 
Ape, 699 
alphelops, 411 
Aphelotherium, 697 
alrcheelurus, 524 
Archeoceti, 246 
Archeomys, 484 
Archizonurus, 157 
Arctictis, 584 
Arctocebus, 693 
Arctocephalus, 595 
Arctocyon, 609 
Arctocyonide, 609 
Arctogale, 533 
Arctoidea, 556 
Arctomyine, 454 
Arctomys, 454 
Arctonyx, 574 
Arctotherium, 561 
Argali, 355 
Armadillo, 195 
Artibeus, 676 
Artiodactyla, 275 
Arvicola, 466 
Arvicoline, 465 
Ass, 383 
Atalapha, 663 
Ateles, 715 
Atherura, 487 
Auchenia, 298 
Aulacodus, 483 
Aulaxinuus, 723 
Aurochs, 367 
Australasian region, 102 
Avahis, 686 
Axis, 320 
Aye-aye, 695 
Babirusa, 287 
Baboon, 719 
Bachitherium, 807 
Badger, 575 
American, 576 
Sand, 575 
Balena, 236 
Balenide, 234 
Balenodon, 251 
Balenoidea, 234 
Balenoptera, 242 
Balenotus, 240 
