Arborophila, ii.338ARCADÆ, ii.534Archæomys, ii.238Archæopteryx, Bavarian Oolite, i. 163Archibuteo, ii.348Arctic shells, ii.518zone not a separate region, i. 68Arctitis, ii.195Arctocebus, ii.176Arctocephalus, ii.202Arctocyon, European Eocene, i. 125ii.206Arctodus, N. American Post-Pliocene, i. 130ii.202Arctogale, ii.195Arctomys, European Pliocene, i. 113ii.235,236Arctonyx, ii.199Arctopithecus, ii.244Arctotheriumin Brazilian caves, i. 144S. American Pliocene, i. 146Ardea, ii.359ARDEIDÆ, ii.359Ardistomus, ii.490Argentina, ii.488Arges, ii.444ARGONAUTIDÆ. ii.505Argus pheasant, figure of, i. 339peculiarity in display of plumage, and confirmation of Mr. Darwin's views, i. 340Argusianus, ii.340Argutor, ii.489Argynnis, ii.474Aricoris, ii.476Ariella, ii.195Arinia, ii.520Arion, ii.517Aristobia, ii.501Arius, ii.443Armadillos, ii.245Arnoglossus, ii.441Aromochelys, ii.408Arremon, ii.99Arrhenotus, ii.501Artamia, ii.268ii.271ii.288ARTAMIDÆ, ii.288Artamides, ii.269Artamus, ii.288Arthroleptis, ii.421Artiodactyla, European Eocene, i. 126N. American Tertiary, i. 137S. American Pliocene, i. 146Artomyias, ii.270Arundinicola, ii.100Arvicola, European Pliocene, i. 113in Brazilian caves, i. 145S. American Pliocene, i. 147S. American Eocene, i. 148Arvicola, ii.230,231Asio, ii.350Aspergillum, ii.537Aspidoparia, ii.452Aspidorhinus, ii.391Aspidura, ii.374Aspius, ii.453Aspredo, ii.444Aspro, ii.425Astarte, ii.535Astathes, ii.501Asterophys, ii.421Asterophysus, ii.443Asthenodipsas, ii.381Astrapia, ii.274Astroblepus, ii.444Astur, ii.348Asturina, ii.348Asturinula, ii.348ATELEOPODIDÆ, ii.440Ateles, ii.174Atelopus, ii.416Atelornis, ii.312Aterica, ii.474Athene, ii.350Atherina, ii.434Atherinichthys, ii.434ATHERINIDÆ, ii.434Atheris, ii.386Atherura, ii.240Athylax, ii.195Athyma, ii.474ATLANTIDÆ, ii.531Atlapetes, ii.284ATRACTASPIDIDÆ, ii.383Atractaspis, ii.383Atretium, ii.375Atrichia, ii.299ATRICHIIDÆ, ii.299Atropos, ii.385Attagis, ii.354ATTALINÆ, ii.293Atthis, ii.108Atticora, ii.281Attila, ii.102Auchenaspis, ii.443Auchenia, N. American Post-Pliocene, i. 130ii.217Auchenipterus, ii.443Auckland Islands, birds of, i. 455Augastes, ii.108Auks, ii.367Aulia, ii.102Aulacodes, ii.239Aulacodon, ii.239Aulacorhamphus, ii.307Aulopoma, ii.520Aulopyge, ii.452Auricula, ii.519,527AURICULIDÆ, ii.518Auriparus, ii.266Australia, physical features of, i. 387Australia and S. America, supposed land connection between, i. 398Australian region, description of, i. 387zoological characteristics of, i. 390mammalia of, i. 390birds of, i. 391reptiles of, i. 396amphibia of, i. 397fresh-water fish of, i. 397summary of vertebrata of, i. 397supposed land-connection of with S. America, i. 398insects of, i. 403lepidoptera of, i. 404coleoptera of, i. 405land-shells of, i. 407sub-regions of, i. 408early history of, i. 465Australian sub-region, mammalia of, i. 438illustration of mammalia of, i. 439birds of, i. 440illustration of fauna of, i. 441Australian hedgehog, ii.254Austro-Malayan sub-region, physical features of, i. 388zoology of, i. 409Automolus, ii.103AVICULIDÆ, ii.533Avocettula, ii.107Avocettinus, ii.108Aye-aye, figure of, i. 278ii.177Axiocerces, ii.477Azores, visited by European birds, i. 17birds of, i. 207butterflies of, i. 207beetles of, i. 207, 209peculiarly modified birds of, i. 207stragglers to, i. 208how stocked with animal life, i. 208B.Babirusa of Celebes, peculiarities of, i. 428Babirusa, ii.215Badger, figure of, i. 195Badis, ii.433Bæotis, ii.475Bagarius, ii.443Bagrichthys, ii.442Bagroides, ii.442Bagrus, ii.442Baird, Professor, on fauna of Cape St. Lucas ii.130on representative birds of United States, ii.180Balæna, European Pliocene, i. 112ii.207Balæniceps, ii.360BALÆNIDÆ, ii.207Balænodon, European Pliocene, i. 112Balænoptera, ii.207Balænopteridæ, ii.207Balea, ii.516Balearica, ii.357Baly, Mr., on Phytophaga of Japan, i. 230Banca, its peculiar species and solution of a problem in distribution, i. 356Band-fish, ii.435Bandicoots, ii.250Barangia, ii.199Barbatula, ii.306Barbets, ii.305Barbichthys, ii.452Barbus, ii.451Barilius, ii.452Barissia, ii.392Barriers, as affecting distribution, i. 6permanence of, as affecting distribution, i. 7to the dispersal of birds, i. 17Baryphthengus, ii.313Barypus, ii.492Basileuterus, ii.279Basilornis, ii.287Bassaris, ii.200Batara, ii.104Bates, Mr., on Carabidæ of Japan, i. 228on Longicorns of Japan, i. 230Bathmodon, N. American Tertiary, i. 136Bathrodon, N. American Tertiary, i. 133Bathyerges, ii.231BATOIDEI, ii.462BATRACHIDÆ, ii.431Batrachocephalus, ii.443Batrachoseps, ii.413Batrachostomus, ii.318Bats, powers of flight of, i. 15classification of, i. 87of New Zealand, i. 450Baucis, ii.108Baza, ii.349Bdeogale, ii.195Bearded Reedling, ii.262Bears, probable cause of absence of, from tropical Africa, i. 291ii.201Beaver, N. American Tertiary, i. 140Beavers, ii.234Bee-eaters, ii.312Beetles, families selected for study, i. 103from the Lias, i. 167of Azores, i. 207of Japan, i. 228of S. Temperate America, ii.44BELEMNITIDÆ, ii.506Belemnoziphius, European Pliocene, i. 112Belideus, ii.252Belionota, ii.497Belodontichthys, ii.441Belone, ii.450Belonesox, ii.450Belt, Mr., his theory of a great Siberian lake during the glacial epoch, i. 218; ii.206on change of climate caused by diminution of obliquity of ecliptic, i. 466Beluga, ii.209Bembecidium, ii.489Berardius, ii.208Berenicornis, ii.317Bermudas, zoology of, ii.134Bernicla, ii.363Bernieria, ii.258BERYCIDÆ, ii.424Bessonornis, ii.256Bettongia, ii.251Bhringa, ii.269Bhutanitis, ii.479Bias, ii.270Biatas, ii.104Bibos, ii.222Bison, ii.222,225Binney, Mr., on Air-breathing Molluscs of N. America, ii.528Birds, means of dispersal of, i. 15dispersal of by winds, i. 16American, found in Europe, i. 16reaching the Azores, i. 17barriers to dispersal of, i. 17limited by forests, i. 17classification of, i. 93Miocene of Greece, i. 116extinct, i. 160fossil of Palæarctic region, i. 161European of Miocene period, i. 161Eocene of Europe, i. 162relations of, i. 162extinct of North America, i. 163recently extinct in New Zealand, i. 164Cretaceous of N. America, i. 164remains of in Brazilian caves, i. 164recently extinct in Madagascar and the Mascarene Islands, i. 164cosmopolitan groups of, i. 176numerous Palæarctic genera, i. 183of the European sub-region, i. 193northern range of in Europe, i. 193of the zone of pine forests, i. 194of Iceland, i. 198of the Mediterranean sub-region, i. 203of Malta, i. 206 (note)of the Azores, i. 207of the Cape Verd Islands, i. 215of the Siberian sub-region, i. 219Oriental found in Siberia, i. 219extreme northern Asiatic, i. 219of northern Asiatic forests, i. 220of the Manchurian sub-region, i. 223Palæarctic genera of, in the Manchuriansub-region, i. 224Oriental genera of, in the Manchuriansub-region, i. 224characteristic of N.W. China and Mongolia, i. 226table of Palæarctic families of, i. 235of West Africa, i. 243list of Palæarctic genera of, i. 243of the Ethiopian region, i. 253of the East African sub-region, i. 260S. African, i. 267genera of, peculiar to Madagascar, i. 275common to Madagascar and Oriental or Ethiopian regions, i. 276species common to Madagascar and Africa or Asia, i. 277table of Ethiopian families of, i. 295table of Ethiopian genera of, i. 306of the Oriental region, i. 316of the Indian sub-region, i. 323Oriental genera of in Central India, i. 324Palæarctic and Ethiopian genera in Central India, i. 325of Ceylon, i. 327of the Indo-Chinese sub region, i. 330of the Indo-Malayan sub-region, i. 337illustration of peculiar Malayan, i. 339of the Philippine Islands, i. 346table of Oriental families of, i. 366table of Oriental genera of, i. 375of Australian region, i. 391specially organized Australian families of, i. 392of the Papuan Islands, i. 410peculiarities of, i. 413brilliant colours of, i. 413remarkable forms of, i. 414of the Moluccas, i. 418peculiarities of, i. 421of the Timor group, i. 423of Celebes, i. 428of Australia, i. 440of New Zealand, i. 451peculiar to New Zealand, i. 452of Norfolk Island, i. 453of Lord Howe's Island, i. 453of the Chatham Islands, i. 454of the Auckland Islands, i. 455table of families of Australian, i. 471table of genera of Australian, i. 478of the Neotropical region, ii.6distinctive characters of Neotropical, ii.7of the Mexican sub region, ii.52of the Antilles, ii.64table of distribution of, ii.68table of families of Neotropical, ii.86table of genera of Neotropical, ii.86of the Nearctic region, ii.116list of typical genera of, ii.118of California, ii.127of Central N. America, ii.130of Eastern United States, ii.132of Canada, ii.136table of Nearctic families of, ii.141table of Nearctic genera of, ii.148and Mammals, parallelism of distribution of, ii.545lines of migration of, ii.545peculiar development of, in islands, ii.546contrast of distribution in tropical andtemperate oceanic islands, ii.546Biziura, ii.364Blacicus, ii.102Black ape of Celebes, i. 427Bland, Mr. Thomas, on Antillean land-shells, ii.19ii.526Blanford, Mr. W. T., on the "Indian" region, i. 60on relations of Indian sub-region with Africa, i. 321Blapsidium, Oolitic insect, i. 167Blarina, ii.191Blauneria, ii.519BLENNIDÆ, ii.431Blenniops, ii.431Blennius, ii.431Blethisa, ii.489Blind burrowing snakes, ii.372Blunt-heads, ii.380Blyth, Mr., on zoological regions, i. 60on the relations of Indian sub-region with Africa, i. 321Boa, ii.381Boædon, ii.380Boas, ii.381Bola, ii.452Bolborhynchus, ii.328Boleosoma, ii.425BOMBINATORIDÆ, ii.416Bombinator, ii.417Bonasa, ii.339Bonnet-limpets, ii.511Bony Pikes, ii.459Bootherium, ii.225Borneo, probable recent changes in, i. 357Bos, Post-Pliocene, i. 112Indian Miocene, i. 122ii.222,225Botaurus, ii.359Bothriodon, ii.215Botia, ii.453Bourbon, zoology of, i. 280reptiles of, i. 281Bourcieria, ii.108ii.521Bovidæ, European Miocene, i. 120BOVIDÆ, ii.221BOVINÆ, ii.222Brachinus, ii.489BRACHIOPODA, ii.532Brachiurophis, ii.383Brachiurus, ii.175Brachyalestes, ii.445Brachycephalus, ii.414Brachygalba, ii.311Brachylophus, ii.401Brachymeles, ii.397Brachymerus, ii.416Brachymys, European Miocene, i. 120ii.232ii.236Brachymystax, ii.447Brachypteryx, ii.256Brachypternus, ii.303Brachytarsomys, ii.230Brachypteracias, ii.312Brachyrhamphus, ii.367Bradybates, ii.413Bradycellus, ii.489Bradyornis, ii.271BRADYPODIDÆ, ii.244Bradyptetus, ii.258Bradypus, ii.244Bradytus, ii.489Brama, ii.429Bramatherium, Miocene of Perim Island, i. 122ii.226Branchiosteus, ii.442Branta, ii.364BRASSOLIDÆ, ii.472Brassolis, ii.472Brazilian cave-fauna, i. 143remarks on, i. 145Brazilian sub-region, description of, ii.21mammalia of, ii.23birds of, ii.24illustration of mammalia of, ii.23illustration of birds of, ii.28islands of, ii.29Breviceps, ii.416Breyeria borinensis, Carboniferous insect, i. 168Britain, peculiar species in, i. 197British Isles, zoology of, i. 197Broad-bill, Malayan, figure of, i. 340Broad-bills, ii.294Bronchocela, ii.402Brontes, ii.444Brontotheridæ, N. American Tertiary, i. 137Brontotherium, N. American Tertiary, i. 137Brotogerys, ii.328Brush-turkeys, ii.341Brycon, ii.445Bryconops, ii.445Bryttus, ii.425Buarremon, ii.99Bubalus, ii.222Bubo, European Miocene, i. 162ii.350BUCCINIDÆ, ii.507Buccinum, ii.507Bucco, ii.310BUCCONIIDÆ, ii.310Bucephala, ii.364Bucephalus, ii.379Buceros, ii.317BUCEROTIDÆ, ii.316Bucorvus, ii.317Budorcas, ii.224Budorcinæ, ii.224Budytes, ii.290Buffaloes, ii.221Bufo, ii.415BUFONIDÆ, ii.415Bulbuls, ii.267BULLIDÆ, ii.530Buliminus, ii.514Bulimulus, ii.514Bulimus, Eocene, i. 169ii.514,523Bunælurus, N American Tertiary, i. 134Bungarus, ii.383Bungia, ii.452Bunocephalichthys, ii.444Bunocephalus, ii.444Buphaga, ii.288BUPRESTIDÆ, ii.495Buprestidium, Oolitic insect, i. 167Busarellus, ii.348Bush-shrikes, ii.297Bustards, ii.356Butalis, ii.270Butastur, ii.348Buteo, ii.348Buteogallus, ii.348BUTEONINÆ, ii.348Buteola, ii.348Buthraupis, ii.98Butterflies, arrangement of, i. 103Palæarctic, i. 187of Central Europe, i. 196of the Mediterranean sub-region, i. 205of Azores, i. 207peculiar to Siberian sub-region, i. 220of Japan and North China, i. 227of the Ethiopian region, i. 255number of Ethiopian species, i. 256
Arborophila, ii.338
ARCADÆ, ii.534
Archæomys, ii.238
Archæopteryx, Bavarian Oolite, i. 163
Archibuteo, ii.348
Arctic shells, ii.518
zone not a separate region, i. 68
Arctitis, ii.195
Arctocebus, ii.176
Arctocephalus, ii.202
Arctocyon, European Eocene, i. 125
ii.206
Arctodus, N. American Post-Pliocene, i. 130
ii.202
Arctogale, ii.195
Arctomys, European Pliocene, i. 113
ii.235,236
Arctonyx, ii.199
Arctopithecus, ii.244
Arctotheriumin Brazilian caves, i. 144
S. American Pliocene, i. 146
Ardea, ii.359
ARDEIDÆ, ii.359
Ardistomus, ii.490
Argentina, ii.488
Arges, ii.444
ARGONAUTIDÆ. ii.505
Argus pheasant, figure of, i. 339
peculiarity in display of plumage, and confirmation of Mr. Darwin's views, i. 340
Argusianus, ii.340
Argutor, ii.489
Argynnis, ii.474
Aricoris, ii.476
Ariella, ii.195
Arinia, ii.520
Arion, ii.517
Aristobia, ii.501
Arius, ii.443
Armadillos, ii.245
Arnoglossus, ii.441
Aromochelys, ii.408
Arremon, ii.99
Arrhenotus, ii.501
Artamia, ii.268
ii.271
ii.288
ARTAMIDÆ, ii.288
Artamides, ii.269
Artamus, ii.288
Arthroleptis, ii.421
Artiodactyla, European Eocene, i. 126
N. American Tertiary, i. 137
S. American Pliocene, i. 146
Artomyias, ii.270
Arundinicola, ii.100
Arvicola, European Pliocene, i. 113
in Brazilian caves, i. 145
S. American Pliocene, i. 147
S. American Eocene, i. 148
Arvicola, ii.230,231
Asio, ii.350
Aspergillum, ii.537
Aspidoparia, ii.452
Aspidorhinus, ii.391
Aspidura, ii.374
Aspius, ii.453
Aspredo, ii.444
Aspro, ii.425
Astarte, ii.535
Astathes, ii.501
Asterophys, ii.421
Asterophysus, ii.443
Asthenodipsas, ii.381
Astrapia, ii.274
Astroblepus, ii.444
Astur, ii.348
Asturina, ii.348
Asturinula, ii.348
ATELEOPODIDÆ, ii.440
Ateles, ii.174
Atelopus, ii.416
Atelornis, ii.312
Aterica, ii.474
Athene, ii.350
Atherina, ii.434
Atherinichthys, ii.434
ATHERINIDÆ, ii.434
Atheris, ii.386
Atherura, ii.240
Athylax, ii.195
Athyma, ii.474
ATLANTIDÆ, ii.531
Atlapetes, ii.284
ATRACTASPIDIDÆ, ii.383
Atractaspis, ii.383
Atretium, ii.375
Atrichia, ii.299
ATRICHIIDÆ, ii.299
Atropos, ii.385
Attagis, ii.354
ATTALINÆ, ii.293
Atthis, ii.108
Atticora, ii.281
Attila, ii.102
Auchenaspis, ii.443
Auchenia, N. American Post-Pliocene, i. 130
ii.217
Auchenipterus, ii.443
Auckland Islands, birds of, i. 455
Augastes, ii.108
Auks, ii.367
Aulia, ii.102
Aulacodes, ii.239
Aulacodon, ii.239
Aulacorhamphus, ii.307
Aulopoma, ii.520
Aulopyge, ii.452
Auricula, ii.519,527
AURICULIDÆ, ii.518
Auriparus, ii.266
Australia, physical features of, i. 387
Australia and S. America, supposed land connection between, i. 398
Australian region, description of, i. 387
zoological characteristics of, i. 390
mammalia of, i. 390
birds of, i. 391
reptiles of, i. 396
amphibia of, i. 397
fresh-water fish of, i. 397
summary of vertebrata of, i. 397
supposed land-connection of with S. America, i. 398
insects of, i. 403
lepidoptera of, i. 404
coleoptera of, i. 405
land-shells of, i. 407
sub-regions of, i. 408
early history of, i. 465
Australian sub-region, mammalia of, i. 438
illustration of mammalia of, i. 439
birds of, i. 440
illustration of fauna of, i. 441
Australian hedgehog, ii.254
Austro-Malayan sub-region, physical features of, i. 388
zoology of, i. 409
Automolus, ii.103
AVICULIDÆ, ii.533
Avocettula, ii.107
Avocettinus, ii.108
Aye-aye, figure of, i. 278
ii.177
Axiocerces, ii.477
Azores, visited by European birds, i. 17
birds of, i. 207
butterflies of, i. 207
beetles of, i. 207, 209
peculiarly modified birds of, i. 207
stragglers to, i. 208
how stocked with animal life, i. 208
B.
Babirusa of Celebes, peculiarities of, i. 428
Babirusa, ii.215
Badger, figure of, i. 195
Badis, ii.433
Bæotis, ii.475
Bagarius, ii.443
Bagrichthys, ii.442
Bagroides, ii.442
Bagrus, ii.442
Baird, Professor, on fauna of Cape St. Lucas ii.130
on representative birds of United States, ii.180
Balæna, European Pliocene, i. 112
ii.207
Balæniceps, ii.360
BALÆNIDÆ, ii.207
Balænodon, European Pliocene, i. 112
Balænoptera, ii.207
Balænopteridæ, ii.207
Balea, ii.516
Balearica, ii.357
Baly, Mr., on Phytophaga of Japan, i. 230
Banca, its peculiar species and solution of a problem in distribution, i. 356
Band-fish, ii.435
Bandicoots, ii.250
Barangia, ii.199
Barbatula, ii.306
Barbets, ii.305
Barbichthys, ii.452
Barbus, ii.451
Barilius, ii.452
Barissia, ii.392
Barriers, as affecting distribution, i. 6
permanence of, as affecting distribution, i. 7
to the dispersal of birds, i. 17
Baryphthengus, ii.313
Barypus, ii.492
Basileuterus, ii.279
Basilornis, ii.287
Bassaris, ii.200
Batara, ii.104
Bates, Mr., on Carabidæ of Japan, i. 228
on Longicorns of Japan, i. 230
Bathmodon, N. American Tertiary, i. 136
Bathrodon, N. American Tertiary, i. 133
Bathyerges, ii.231
BATOIDEI, ii.462
BATRACHIDÆ, ii.431
Batrachocephalus, ii.443
Batrachoseps, ii.413
Batrachostomus, ii.318
Bats, powers of flight of, i. 15
classification of, i. 87
of New Zealand, i. 450
Baucis, ii.108
Baza, ii.349
Bdeogale, ii.195
Bearded Reedling, ii.262
Bears, probable cause of absence of, from tropical Africa, i. 291
ii.201
Beaver, N. American Tertiary, i. 140
Beavers, ii.234
Bee-eaters, ii.312
Beetles, families selected for study, i. 103
from the Lias, i. 167
of Azores, i. 207
of Japan, i. 228
of S. Temperate America, ii.44
BELEMNITIDÆ, ii.506
Belemnoziphius, European Pliocene, i. 112
Belideus, ii.252
Belionota, ii.497
Belodontichthys, ii.441
Belone, ii.450
Belonesox, ii.450
Belt, Mr., his theory of a great Siberian lake during the glacial epoch, i. 218; ii.206
on change of climate caused by diminution of obliquity of ecliptic, i. 466
Beluga, ii.209
Bembecidium, ii.489
Berardius, ii.208
Berenicornis, ii.317
Bermudas, zoology of, ii.134
Bernicla, ii.363
Bernieria, ii.258
BERYCIDÆ, ii.424
Bessonornis, ii.256
Bettongia, ii.251
Bhringa, ii.269
Bhutanitis, ii.479
Bias, ii.270
Biatas, ii.104
Bibos, ii.222
Bison, ii.222,225
Binney, Mr., on Air-breathing Molluscs of N. America, ii.528
Birds, means of dispersal of, i. 15
dispersal of by winds, i. 16
American, found in Europe, i. 16
reaching the Azores, i. 17
barriers to dispersal of, i. 17
limited by forests, i. 17
classification of, i. 93
Miocene of Greece, i. 116
extinct, i. 160
fossil of Palæarctic region, i. 161
European of Miocene period, i. 161
Eocene of Europe, i. 162
relations of, i. 162
extinct of North America, i. 163
recently extinct in New Zealand, i. 164
Cretaceous of N. America, i. 164
remains of in Brazilian caves, i. 164
recently extinct in Madagascar and the Mascarene Islands, i. 164
cosmopolitan groups of, i. 176
numerous Palæarctic genera, i. 183
of the European sub-region, i. 193
northern range of in Europe, i. 193
of the zone of pine forests, i. 194
of Iceland, i. 198
of the Mediterranean sub-region, i. 203
of Malta, i. 206 (note)
of the Azores, i. 207
of the Cape Verd Islands, i. 215
of the Siberian sub-region, i. 219
Oriental found in Siberia, i. 219
extreme northern Asiatic, i. 219
of northern Asiatic forests, i. 220
of the Manchurian sub-region, i. 223
Palæarctic genera of, in the Manchurian
sub-region, i. 224
Oriental genera of, in the Manchurian
sub-region, i. 224
characteristic of N.W. China and Mongolia, i. 226
table of Palæarctic families of, i. 235
of West Africa, i. 243
list of Palæarctic genera of, i. 243
of the Ethiopian region, i. 253
of the East African sub-region, i. 260
S. African, i. 267
genera of, peculiar to Madagascar, i. 275
common to Madagascar and Oriental or Ethiopian regions, i. 276
species common to Madagascar and Africa or Asia, i. 277
table of Ethiopian families of, i. 295
table of Ethiopian genera of, i. 306
of the Oriental region, i. 316
of the Indian sub-region, i. 323
Oriental genera of in Central India, i. 324
Palæarctic and Ethiopian genera in Central India, i. 325
of Ceylon, i. 327
of the Indo-Chinese sub region, i. 330
of the Indo-Malayan sub-region, i. 337
illustration of peculiar Malayan, i. 339
of the Philippine Islands, i. 346
table of Oriental families of, i. 366
table of Oriental genera of, i. 375
of Australian region, i. 391
specially organized Australian families of, i. 392
of the Papuan Islands, i. 410
peculiarities of, i. 413
brilliant colours of, i. 413
remarkable forms of, i. 414
of the Moluccas, i. 418
peculiarities of, i. 421
of the Timor group, i. 423
of Celebes, i. 428
of Australia, i. 440
of New Zealand, i. 451
peculiar to New Zealand, i. 452
of Norfolk Island, i. 453
of Lord Howe's Island, i. 453
of the Chatham Islands, i. 454
of the Auckland Islands, i. 455
table of families of Australian, i. 471
table of genera of Australian, i. 478
of the Neotropical region, ii.6
distinctive characters of Neotropical, ii.7
of the Mexican sub region, ii.52
of the Antilles, ii.64
table of distribution of, ii.68
table of families of Neotropical, ii.86
table of genera of Neotropical, ii.86
of the Nearctic region, ii.116
list of typical genera of, ii.118
of California, ii.127
of Central N. America, ii.130
of Eastern United States, ii.132
of Canada, ii.136
table of Nearctic families of, ii.141
table of Nearctic genera of, ii.148
and Mammals, parallelism of distribution of, ii.545
lines of migration of, ii.545
peculiar development of, in islands, ii.546
contrast of distribution in tropical and
temperate oceanic islands, ii.546
Biziura, ii.364
Blacicus, ii.102
Black ape of Celebes, i. 427
Bland, Mr. Thomas, on Antillean land-shells, ii.19
ii.526
Blanford, Mr. W. T., on the "Indian" region, i. 60
on relations of Indian sub-region with Africa, i. 321
Blapsidium, Oolitic insect, i. 167
Blarina, ii.191
Blauneria, ii.519
BLENNIDÆ, ii.431
Blenniops, ii.431
Blennius, ii.431
Blethisa, ii.489
Blind burrowing snakes, ii.372
Blunt-heads, ii.380
Blyth, Mr., on zoological regions, i. 60
on the relations of Indian sub-region with Africa, i. 321
Boa, ii.381
Boædon, ii.380
Boas, ii.381
Bola, ii.452
Bolborhynchus, ii.328
Boleosoma, ii.425
BOMBINATORIDÆ, ii.416
Bombinator, ii.417
Bonasa, ii.339
Bonnet-limpets, ii.511
Bony Pikes, ii.459
Bootherium, ii.225
Borneo, probable recent changes in, i. 357
Bos, Post-Pliocene, i. 112
Indian Miocene, i. 122
ii.222,225
Botaurus, ii.359
Bothriodon, ii.215
Botia, ii.453
Bourbon, zoology of, i. 280
reptiles of, i. 281
Bourcieria, ii.108
ii.521
Bovidæ, European Miocene, i. 120
BOVIDÆ, ii.221
BOVINÆ, ii.222
Brachinus, ii.489
BRACHIOPODA, ii.532
Brachiurophis, ii.383
Brachiurus, ii.175
Brachyalestes, ii.445
Brachycephalus, ii.414
Brachygalba, ii.311
Brachylophus, ii.401
Brachymeles, ii.397
Brachymerus, ii.416
Brachymys, European Miocene, i. 120
ii.232
ii.236
Brachymystax, ii.447
Brachypteryx, ii.256
Brachypternus, ii.303
Brachytarsomys, ii.230
Brachypteracias, ii.312
Brachyrhamphus, ii.367
Bradybates, ii.413
Bradycellus, ii.489
Bradyornis, ii.271
BRADYPODIDÆ, ii.244
Bradyptetus, ii.258
Bradypus, ii.244
Bradytus, ii.489
Brama, ii.429
Bramatherium, Miocene of Perim Island, i. 122
ii.226
Branchiosteus, ii.442
Branta, ii.364
BRASSOLIDÆ, ii.472
Brassolis, ii.472
Brazilian cave-fauna, i. 143
remarks on, i. 145
Brazilian sub-region, description of, ii.21
mammalia of, ii.23
birds of, ii.24
illustration of mammalia of, ii.23
illustration of birds of, ii.28
islands of, ii.29
Breviceps, ii.416
Breyeria borinensis, Carboniferous insect, i. 168
Britain, peculiar species in, i. 197
British Isles, zoology of, i. 197
Broad-bill, Malayan, figure of, i. 340
Broad-bills, ii.294
Bronchocela, ii.402
Brontes, ii.444
Brontotheridæ, N. American Tertiary, i. 137
Brontotherium, N. American Tertiary, i. 137
Brotogerys, ii.328
Brush-turkeys, ii.341
Brycon, ii.445
Bryconops, ii.445
Bryttus, ii.425
Buarremon, ii.99
Bubalus, ii.222
Bubo, European Miocene, i. 162
ii.350
BUCCINIDÆ, ii.507
Buccinum, ii.507
Bucco, ii.310
BUCCONIIDÆ, ii.310
Bucephala, ii.364
Bucephalus, ii.379
Buceros, ii.317
BUCEROTIDÆ, ii.316
Bucorvus, ii.317
Budorcas, ii.224
Budorcinæ, ii.224
Budytes, ii.290
Buffaloes, ii.221
Bufo, ii.415
BUFONIDÆ, ii.415
Bulbuls, ii.267
BULLIDÆ, ii.530
Buliminus, ii.514
Bulimulus, ii.514
Bulimus, Eocene, i. 169
ii.514,523
Bunælurus, N American Tertiary, i. 134
Bungarus, ii.383
Bungia, ii.452
Bunocephalichthys, ii.444
Bunocephalus, ii.444
Buphaga, ii.288
BUPRESTIDÆ, ii.495
Buprestidium, Oolitic insect, i. 167
Busarellus, ii.348
Bush-shrikes, ii.297
Bustards, ii.356
Butalis, ii.270
Butastur, ii.348
Buteo, ii.348
Buteogallus, ii.348
BUTEONINÆ, ii.348
Buteola, ii.348
Buthraupis, ii.98
Butterflies, arrangement of, i. 103
Palæarctic, i. 187
of Central Europe, i. 196
of the Mediterranean sub-region, i. 205
of Azores, i. 207
peculiar to Siberian sub-region, i. 220
of Japan and North China, i. 227
of the Ethiopian region, i. 255
number of Ethiopian species, i. 256