Hemidactylium, ii. 413

Hemidactylus, ii. 399
Hemierges, ii. 397
Hemigalea, ii. 195
Hemignathus, ii. 277
Hemimantis, ii. 419
Hemiodus, ii. 445 ·
Hemiphractus, ii. 420
Hemipimelodus, ii. 443
Hemiprocne, ii. 320
Hemipus, ii. 270
Hemirhamphus, ii. 450
Hemisilurus, ii. 442
Hemisorubim, ii. 442
Hemistilbon, ii. 109
Hemisus, ii. 414
Hemitriccus, ii. 101
Hemixus, ii. 267
Henicognathus, ii. 328
Henicopernis, ii. 349
Henicophaps, ii. 333
Henicorhina, ii. 264

Henicornis, ii. 103

Heptapterus, ii. 444
Heredia, ii. 413

Herons, ii. 359

Heros, ii. 438

Herpestes, ii. 195

Herpetethiops, ii. 376

Herpetodryas, ii. 376

Herpeton, ii. 376

Herpetoreas, ii. 375

Herpetotheres, ii. 348

Herpetotherium, N. American Tertiary, i. 134

Herpsilochmus, ii. 104

Herring, ii. 454

Hesperia, ii. 480

HESPERIDÆ, ii. 480

Hesperomys, N. American Tertiary, i. 140

in Brazilian caves, i. 145

S. American Pliocene, i. 147

ii. 230, 231

Hesperornis, N. American Cretaceous, i. 164

Hestia, ii. 470

Hestima, ii. 501

Heterobranchus, ii. 441

Heterocephalus, ii. 231

Homalopsis, ii. 376

Homaloptera, ii. 453

Homalosoma, ii. 490

Hombronia, ii. 397

Homocamelus, N. American Tertiary, i. 138

ii. 217

Homorus, ii. 103

ii. 524

Honey-guides, ii. 304

Honeysuckers, birds specially adapted to

Australia, i. 392

ii. 275

Hooker, Dr., on deficiency of odours in New

Zealand plants, i. 464

Hoopoes, ii. 317

Hopladelus, ii. 442

HOPLEGNATHIDÆ, ii. 433

Hoplobatrachus, ii. 421

HOPLOCEPHALA, ii. 460

Hoplocephalus, ii. 383

Hoplocetus, European Pliocene, i. 112

Hoplophoneus, N. American Tertiary, i. 134

Hoplophorus, ii. 246

Hoplopterus, ii 356

Horites, ii. 258

Hornbills, ii. 316

Horses, fossil, in Indian Miocene, i. 121

perfect series of ancestral, in N. America,
i. 136

probable birthplace of, i. 154

ii. 211

Horse-shoe bats, ii. 182

PP 2

insects of, i. 341

coleoptera of, i. 342

terrestrial mollusca of, i. 343

zoological relations of islands of, i. 345
recent geographical changes in, i. 357
probable origin of fauna of, i. 359
Inia, ii. 209
Insectivora, European Miocene, i. 117
N. American Post-Pliocene, i. 129
N. American Tertiary, i. 133
Insectivora, classification of, i. 87 -

of the Palearctic region, i. 181
of N. China and E. Thibet, i. 222
range of Palearctic genera of, i. 239
of Madagascar, i. 273

range of Ethiopian genera of, i. 301 ·
of the Oriental region, i. 315
range of Oriental genera of, i. 372
range of Australian genera of, i. 476
INSECTIVORA, ii. 186

1

INSECTIVORA,

general remarks
distribution of, ii. 191

summary and conclusion, ii. 541
Insects, means of dispersal of, i. 32
tenacity of life of, i. 33

on the

adapted to special conditions, i. 33
groups selected for the study of their
geographical distribution, i. 102
antiquity of the genera of, i. 166

fossil of European Miocene, i. 166
European Cretaceous, i. 167
European Wealden, i. 167
Palæozoic, i. 168
Palearctic, i. 187.

of Central Europe, i. 196

of the Mediterranean sub-region, i. 205

of the Siberian sub-region, i. 220

of the Manchurian sub-region, i. 227

of the Ethiopian region, i. 255

of the E African sub-region, i. 260

of W. African, i. 265

S. African, i. 268

of Madagascar, i. 282

general remarks on, i. 284

of tropical Africa and America, probable
cause of similarities in, i. 291

of Indo-Chinese sub-region, i. 332

of the Oriental region, i. 318

of Ceylon, i. 327

of Indo-Malay sub-region, i. 341

statistics of collecting in the various
islands of the Malay Archipelago, i. 343
of the Australian region, i. 403

of New Guinea, i. 417

of the Moluccas, i. 420
of the Timor group, i. 426

of Celebes, i. 454

of New Zealand, i. 458

scarcity of, in New Zealand, i. 462
influence of, on the flora, i. 463

of the Neotropical region, ii. 13

of S. Temperate America, ii. 42

of S. Temperate America, Palæarctic
affinity of, ii. 45

of the Mexican sub-region, ii. 55

of the Antilles, ii. 73

of the Nearctic region, ii. 122

of Canada, ii. 137

distribution of, ii. 468

range of, in time, ii. 469

summary and conclusion, ii. 550

lines of migration of, ii. 551

Iodopleura, ii. 102

Tolama, ii. 107

Iolaus, ii. 477

Iole, ii. 267

Iora, ii. 267
Iphias, ii. 478

ii. 394
IPHISADÆ, ii. 394
Irena, ii. 269
Iridina, ii. 534
Iridornis, ii. 98
Irrisor, ii. 318

IRRISORIDÆ, ii. 318

Isacis, N. American Tertiary, i 133
Ischcognathus, ii. 375

Ischyromys, N. American Tertiary, i. 140
ii. 236

Islands, N. European, zoology of, i. 197
of the Mediterranean sub-region, i. 206
of the W. African sub-region, i. 265
of the Ethiopian region, i. 269
Mascarene, i. 280..

of the Indo-Chinese sub-region, i. 833

of the Indo-Malay sub-region, i. 345

Labeo, ii. 451

Labrax, ii. 425

LABRIDÆ, ii. 437

Labrus, ii. 437

LABYRINTHICI, ii. 434

Lacerta, ii. 391

LACERTIDÆ, ii. 390

Lacertilia, classification of, i. 99

LACERTILIA, ii. 388

general remarks on the distribution of,

ii. 403

fossil, ii. 404

Lacuna, ii. 510

Ladrone Islands, birds of, i. 444

Læemargus, ii. 461

Læmosthenes, ii. 489

Læosopis, ii. 477
Lafresnaya, ii. 107
Lagenocetus, ii. 208
Lagenorhynchus, ii. 209
Lagidium, ii. 237

LAGOMYIDÆ, ii. 242

Lagomys, European Pliocene, i. 113
European Miocene, i. 120

ii. 242

Lagopus, ii. 339

Lagorchestes, ii. 251

Lagostomus, in Brazilian caves, i. 145

S. American Pliocene, i. 147

ii. 237

ii. 206

Lalage, ii. 269

Laletes, ii. 280

LAMIIDÆ, ii. 498

Lamna, ii. 460

LAMNIDÆ, ii. 460

Lampornis, ii. 107
Lampreys, ii. 463
Lamprima, ii. 493
Lampris, ii. 429
Lamprocolius, ii. 288
Lamprolama, ii. 107
Lamrophis, ii. 380
Lampropsar, ii. 282
Lampropygia, ii. 108

Lamprospilus, ii. 477

Lamprospiza, ii. 99

Lamprotes, ii. 98

Lancelet, ii. 464

Land-lizards, ii. 391

Land and water, proportions of, i. 35

Land and fresh-water shells, antiquity of the

genera of, i. 168

table of Ethiopian families of, i. 299

of the Oriental region, i. 318

table of Oriental families of, i. 369

of the Australian region, i. 404

table of Australian families of, i. 472
of the Neotropical region, ii. 13

of the Antilles, ii. 73

table of Neotropical families of, ii. 90
of the Nearctic region, ii. 122
Nearctic families of, ii. 143
LEPIDOPTERA, ii. 470
Lepidosiren, ii. 458

LEPIDOSTEIDÆ, ii. 459

Lepidosteus, ii. 459

LEPIDOSTERNIDÆ, ii. 389

Lepidosternon, ii. 389

Lepilemur, ii. 176

Lepistes, ii. 450

LEPORIDÆ, ii. 242

Leporinus, ii. 445

Lepricornis, ii. 476

Leprodera, ii. 501

Leptalis, ii. 478

VOL. II.-38