Viscacha, ii.237Vitrina, ii.516Viverra, European Pliocene, i. 112European Miocene, i. 118ii.195Viverricula, ii.195Viverridæ, European Miocene, i. 118European Eocene, i. 125VIVERRIDÆ, ii.194Vivia, ii.303Volatinia, ii.284Voluta, ii.508Volutes, ii.508VOLUTIDÆ, ii.508Volvocivora, ii.269Vulpes, ii.197Vultur, ii.346VULTURIDÆ, ii.345VULTURINÆ, ii.346W.Wagtails, ii.290Walden, Viscount, on birds of Philippine islands, i. 346on birds of Celebes, i. 428on arrangement of the Timaliidæ, ii.261Wallago, ii.441Wall-lizards, ii.399Walrus, ii.203Wart-snakes, ii.382Washakius, N. American Tertiary, i. 134Waterhouse, Mr. G. R., on classification of rodentia, i. 90on classification of marsupials, i. 91Water-lizards, ii.389Weaver-finches, ii.286West African sub-region, description of, i. 262mammalia of, i. 262birds of, i. 262Oriental or Malayan element in, i. 263river scene with characteristic animals, i. 264reptiles of, i. 264amphibia of, i. 264Oriental and Neotropical relations of, i. 265insects of, i. 265land-shells of, i. 265islands of, i. 265West Australia, peculiar birds of, i. 441Whelks, ii.507Whip-snakes, ii.379Whydah finch of W. Africa, figure of, i. 264Wing-shells, ii.507ii.533Wollaston, Mr. T. V., on the Coleoptera of the Atlantic Islands, i. 209on the wings of the Madeiran beetles, i. 211on the origin of the insect fauna of the Atlantic Islands, i. 214on the Coleoptera of the Cape Verd Islands, i. 215on the beetles of St. Helena, i. 270Wombats, ii.253Woodpeckers, ii.302Wood-warblers, ii.278Woolly monkeys, ii.174Wrens, ii.263Wrynecks, ii.304X.Xanthocephalus, ii.282Xantholæma, ii.306Xanthomelus, ii.275Xanthopygia, ii.270Xanthosomus, ii.282Xanthotis, ii.275Xema, ii.364Xenelaphis, ii.376Xenica, ii.471Xenicus, ii.265Xenochrophys, ii.375Xenocypris, ii.452Xenodermus, ii.376Xenodon, ii.375XENOPELTIDÆ, ii.373Xenopeltis, ii.373Xenophrys, ii.421Xenopipo, ii.102Xenops, ii.103Xenorhina, ii.415XENORHINIDÆ, ii.415Xenospingus, ii.284Xenurelaps, ii.383Xenurus, in Brazilian caves, i. 145ii.246Xiphias, ii.430Xiphidiopicus, ii.303XIPHIIDÆ, ii.430Xiphius, ii.208Xiphocolaptes, ii.103Xiphodontidæ, European Miocene, i. 119Xipholena, ii.102Xiphorhampus, ii.445Xiphorhynchus, ii.103Xiphostoma, ii.445Xystrocera, ii.501Y.Ypthima, ii.471Yuhina, ii.266YUNGIDÆ, ii.304Yungipicus, ii.303Yunx, ii.304Z.Zabrus, ii.489Zalophus, ii.203Zamenis, ii.375Zanclostomus, ii.309Zaocys, ii.375Zebras, ii.211Zegris, ii.478Zemeros, ii.475Zenaida, ii.333Zenaidura, ii.332Zephyrus, ii.477Zeuglodon, ii.210Zeuglodontidæ, N. American Tertiary, i. 140ii.210Zeus, ii.429Zeuxidia, ii.472Zoarces, ii.431Zonites, ii.516Zonites priscus, Palæozoic, i. 169Zonotrichia, ii.284ZONURIDÆ, ii.391Zonurus, ii.392Zoological characteristics of Palæarctic region, i. 181Ethiopian region, i. 252Oriental region, i. 315Australian region, i. 390of Neotropical region, ii.5of Nearctic region, ii.115Zoological regions, discussion on, i. 50their origin and relations, ii.155-161Zoothera, ii.256Zootoca, ii.391Zosterops, ii.277Zygæna, ii.481ZYGÆNIDÆ, ii.481Zygnopsis, ii.398
Viscacha, ii.237
Vitrina, ii.516
Viverra, European Pliocene, i. 112
European Miocene, i. 118
ii.195
Viverricula, ii.195
Viverridæ, European Miocene, i. 118
European Eocene, i. 125
VIVERRIDÆ, ii.194
Vivia, ii.303
Volatinia, ii.284
Voluta, ii.508
Volutes, ii.508
VOLUTIDÆ, ii.508
Volvocivora, ii.269
Vulpes, ii.197
Vultur, ii.346
VULTURIDÆ, ii.345
VULTURINÆ, ii.346
W.
Wagtails, ii.290
Walden, Viscount, on birds of Philippine islands, i. 346
on birds of Celebes, i. 428
on arrangement of the Timaliidæ, ii.261
Wallago, ii.441
Wall-lizards, ii.399
Walrus, ii.203
Wart-snakes, ii.382
Washakius, N. American Tertiary, i. 134
Waterhouse, Mr. G. R., on classification of rodentia, i. 90
on classification of marsupials, i. 91
Water-lizards, ii.389
Weaver-finches, ii.286
West African sub-region, description of, i. 262
mammalia of, i. 262
birds of, i. 262
Oriental or Malayan element in, i. 263
river scene with characteristic animals, i. 264
reptiles of, i. 264
amphibia of, i. 264
Oriental and Neotropical relations of, i. 265
insects of, i. 265
land-shells of, i. 265
islands of, i. 265
West Australia, peculiar birds of, i. 441
Whelks, ii.507
Whip-snakes, ii.379
Whydah finch of W. Africa, figure of, i. 264
Wing-shells, ii.507
ii.533
Wollaston, Mr. T. V., on the Coleoptera of the Atlantic Islands, i. 209
on the wings of the Madeiran beetles, i. 211
on the origin of the insect fauna of the Atlantic Islands, i. 214
on the Coleoptera of the Cape Verd Islands, i. 215
on the beetles of St. Helena, i. 270
Wombats, ii.253
Woodpeckers, ii.302
Wood-warblers, ii.278
Woolly monkeys, ii.174
Wrens, ii.263
Wrynecks, ii.304
X.
Xanthocephalus, ii.282
Xantholæma, ii.306
Xanthomelus, ii.275
Xanthopygia, ii.270
Xanthosomus, ii.282
Xanthotis, ii.275
Xema, ii.364
Xenelaphis, ii.376
Xenica, ii.471
Xenicus, ii.265
Xenochrophys, ii.375
Xenocypris, ii.452
Xenodermus, ii.376
Xenodon, ii.375
XENOPELTIDÆ, ii.373
Xenopeltis, ii.373
Xenophrys, ii.421
Xenopipo, ii.102
Xenops, ii.103
Xenorhina, ii.415
XENORHINIDÆ, ii.415
Xenospingus, ii.284
Xenurelaps, ii.383
Xenurus, in Brazilian caves, i. 145
ii.246
Xiphias, ii.430
Xiphidiopicus, ii.303
XIPHIIDÆ, ii.430
Xiphius, ii.208
Xiphocolaptes, ii.103
Xiphodontidæ, European Miocene, i. 119
Xipholena, ii.102
Xiphorhampus, ii.445
Xiphorhynchus, ii.103
Xiphostoma, ii.445
Xystrocera, ii.501
Y.
Ypthima, ii.471
Yuhina, ii.266
YUNGIDÆ, ii.304
Yungipicus, ii.303
Yunx, ii.304
Z.
Zabrus, ii.489
Zalophus, ii.203
Zamenis, ii.375
Zanclostomus, ii.309
Zaocys, ii.375
Zebras, ii.211
Zegris, ii.478
Zemeros, ii.475
Zenaida, ii.333
Zenaidura, ii.332
Zephyrus, ii.477
Zeuglodon, ii.210
Zeuglodontidæ, N. American Tertiary, i. 140
ii.210
Zeus, ii.429
Zeuxidia, ii.472
Zoarces, ii.431
Zonites, ii.516
Zonites priscus, Palæozoic, i. 169
Zonotrichia, ii.284
ZONURIDÆ, ii.391
Zonurus, ii.392
Zoological characteristics of Palæarctic region, i. 181
Ethiopian region, i. 252
Oriental region, i. 315
Australian region, i. 390
of Neotropical region, ii.5
of Nearctic region, ii.115
Zoological regions, discussion on, i. 50
their origin and relations, ii.155-161
Zoothera, ii.256
Zootoca, ii.391
Zosterops, ii.277
Zygæna, ii.481
ZYGÆNIDÆ, ii.481
Zygnopsis, ii.398