GENERAL INDEX. 
581 
Ibidvpodia, European Miocene, i. 162 
Ibidorhynchus, ii. 353 
Ibidorhynchus, figure of, i. 331 
Ibis, ii. 360 
Ibises, ii. 360 
Ibycter, ii. 347 
Iceland, zoology of, i. 198 
Ichneumia, ii 195 
Ichthyoborus, ii. 445 
Ichthyopsis, ii. 411 
Icteria, ii. 279 
ICTERIDjE, ii. 281 
Icterus, ii. 282 
Icthyomis, N. American Cretaceous, i. 104 
Icticyon in Brazilian caves, i. 144 
ii. 197 
Ictinia, ii. 349 
Ictltherium, Miocene of Greece, i. 115 
European Miocene, i. 118 
ii. 195 
ii. 197 
Ictonyx, ii. 199 
letups, N. American Tertiary, i. 133 
Ideopsis, ii. 470 
Idrnais, ii. 478 
Iguana , ii. 401 
Iguanas, ii. 400 
IGUANIDiE, ii. 400 
Ilerda, ii. 477 
Ilicura, ii. 102 
India, Miocene fauna of, allied to that of 
Europe, i. 123 
geological features of, i. 328 
Indian sub-region, description of, i. 321 
supposed relation to Ethiopian region, i. 
321 
mammalia of, i. 322 
birds of, i. 323 
reptiles and amphibia of, i. 326 
Indicator, ii. 304 
INDICATOR1D2E, ii. 304 
Indo-Chinese sub-region, description of, i. 329 
zoological characteristics of, i. 330 
illustration of, i. 331 
reptiles of, i. 331 
amphibia of, i. 331 
insects of, i. 332 
islands belonging to, i. 333 
Indo-Malayan sub region, description of, 1. 
334 
mammalia of, i. 336 
illustrations of, i. 336, 339 
birds of, i. 337 
remote geographical relations of, i. 839 
reptiles and amphibia of, i. 340 
fishes of, i. 341 
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 Palsearctic region, i. 181 
of N. China and E. Thibet, i. 222 
range of Palaearctie. 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. 470 
INSECTIVORA, ii. 186 
INSECTIVORA, general remarks on the 
distribution of, ii. 191 
summary and conclusion, ii. 541 
Insects, means of dispersal of, i. 32 
tenacity of life of, i. 33 
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. 16C 
European Cretaceous, i. 167 
European Wealden, i. 167 
Palaeozoic, i. 168 
Palcearetic, i. 187 
of Central Europe, i. 196 
of the Mediterranean sub-region, i. 205 
of the Siberian sub-r.egion, 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, Paltearctio 
affinity of, ii. 45 
of the Mexican sub-region, ii. 55 
of the Antilles, ii. 73 
of the Nearctie region, ii. 122 
of Canada, ii. 137 
distribution of, ii. 468 
range of, in time, ii. 469 
summary and conclusion, ii. 560 
lines of migration of, ii. 551 
lodoplevra, ii. 102 
Iolcema, ii. 107 
lolaus, ii. 477 
lok, ii. 267 
lora, ii. 267 
Iphias, ii. 478 
ii. 394 
IPHISAD2E, ii. 394 
Irena, ii. 269 
Iridina, ii. 534 
Iridornis, ii. 98 
Irrisor , ii. 318 
IRRISORIDdS, ii. 318 
Isacis, N. American Tertiary, L 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 VV. African sub-region, i. 265 
of the Ethioi ian region, L 269 
Mascarene, i. 280 
of the Indo-Chinese sub-region, i. 333 
of the Indo-Malay sub-region, i. 345 
