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 Palearctic, i. 187 of Central Europe, i. 196 of the Mediterranean sub-region, i. 205 peculiar to Siberian sub-region, i. 220 of the Austro-Malay sub-region, i. 404 of Celebes, peculiarities of, i. 434 of New Zealand, i. 457 mammalia of, ii. 127 birds of, ii. 127 reptiles of, ii. 128 amphibia of, ii. 128 fresh-water fishes of, ii. 128 Caligo, ii. 472 Calinaga, ii. 479 Calisto, ii. 471 Callia, ii. 521 Calliste, ii. 98 Callisthenus, ii. 489 Callithea, ii. 474 Callithrix, in Brazilian caves, i. 184 ii. 175 ii. 178 Callocephalus, ii. 204 Callochen, ii. 363 Callomystax, ii. 443 Callophis, ii. 383 Callophysus, ii. 443 Callopistes, ii. 390 Callorhinus, ii. 202 Calloselasma, ii. 385 Callosune, ii. 478 Callula, ii. 416 Calobates, ii. 290 Calocitta, ii. 273 Caccabis, ii. 339 Cachius, ii. 453 Cacomantis, ii. 309 Cacophis, ii. 383 Cacopitta, ii. 261 Cacopus, ii. 416 Cacotus, ii. 417 Calanas, ii. 333 Cactornis, ii. 284 Cæcilia, ii. 411 Calopsitta, ii. 325 CÆCILIADÆ, ii. 411 Caloragia, ii. 375 Cœcum, ii. 509 Calorhamphus, ii. 305 Calornis, ii. 288 Calyptocephalus, ii. 421 Calyptomena, ii. 295 Calyptorhynchus, ii. 325 CALYPTRÆIDÆ, ii. ¿11 Calyptura, ii. 102 Camarhynchus, ii. 284 Camaroptera, ii. 258 Camel, fossil in Indian Miocene, i. 122 birth-place and migrations of, i. 155 Camelida, essentially extra-tropical, i. 112 N. American Tertiary, i. 138 CAMELIDÆ, ii. 216 CAMELOPARDALIDÆ, ii. 221 Camelopardalis, Miocene of Greece, i. 116 reptiles and fishes of, ii. 137 insects of, ii. 137 Canaries, birds of, i. 208 beetles of, i. 209 Cancroma, ii. 359 Canida, European Miocene, i. 118 N. American Tertiary, i. 134. Canis, European Pliocene, i. 112 N. American Post-Pliocene, i. 129 N. American Tertiary, i. 134, 135 in Brazilian caves, i. 144 S. American Pliocene, i. 146. Carnivora, European Eocene, i. 125 of the Palearctic region, i. 182 general remarks on the distribution of, range of, in time, ii. 206 summary and conclusion, ii. 541. Caroline Islands, birds of, i. 444 Carpenter, Dr. Philip, on Panama shells, ii. 20 Climate, as a limit to the range of maminalia, gradual change of, before the glacial epoch, Clinteria, ii. 494 CLIONIDE, ii. 531 CLUPEIDÆ, ii. 454 Clytoctantes, ii. 104 Cobras, ii. 382 Cockatoos, ii. 324 Cockles, ii. 535 Cocos Islands, bird of, ii. 60 Cocytia, ii. 481 Cæligena, ii. 107 Calodon, ii. 245 Cælonotus, ii. 457 Cœlopeltis, ii. 377 Cælosterna, ii. 501 Canonympha, ii. 471 Cæreba, ii. 278 CŒREBIDÆ, ii. 278 Cogia, ii. 208 Colaptes, ii. 304 Coleoptera, families selected for study, i. 103 number of Palearctic species, i. 189 of the Mediterranean sub-region, i. 205 of the Cape Verd Islands, i. 215 of the Ethiopian region, i. 256 S. African, i. 268 of Madagascar, i. 282, 283 of the Oriental region, i. 319 of Indo-Malay sub-region, i. 342 of the Australian region, i. 405 affinity of Australian and South American, |