peculiar insects of, 344
peculiar Lepidoptera of, 347
peculiar Coleoptera of, 351
peculiar Trichoptera of, 355
peculiar land and fresh-water shells of, 356
peculiarities of the flora of, 360
peculiar mosses and Hepaticae of, 366
British mammals as indicating a zoological region, 33
Buller, Sir W. L., on the New Zealand rat, 475
Buried river-channels, 336
_Buteo solitarius_, 314
Butterflies of Celebes, peculiar shape of, 463
Butterflies, peculiar British, 347

C.
Caddis-flies peculiar to Britain, 355
Caecilia, species of, in the Seychelles, 432
wide distribution of, 432
Caeciliadae, 28
_Callithea Leprieuri_, distribution of, 18
_Callithea sapphira_, 18
Camels as destroyers of vegetation, 296
former wide distribution of, 421
Camelus, 17, 27
_Campanula vidalii_, 261
Canis, 17, 26
Carabus, numerous species of, 42
Carboniferous boulder-beds, 201
warm Arctic climate, 201
Carnivora in Madagascar, 417
Carpenter, Dr., on habitat of globigerinae, 92
Carpenter, Mr. Edward, on Mars and glacial periods, 164
_Carduus marianus_ in New Zealand, 515
_Carpodacus purpureus_ and _P. californicus_, 68
Castor, 17
Casuarina, 185
in India, 527
Cause of extinction, 63
Caves of Glamorganshire, 336
Cebibae, overlapping genera of, 29
Celebes, physical features of, 451
islands around, 452
zoology of, 455
derivation of mammals of, 457
birds of, 458
not a continental island, 461
insect peculiarities of, 462
Himalayan types in, 462
peculiarity of butterflies of, 463
list of land-birds of, 466
Centetidae, 27
Centetidae, formerly inhabited Europe, 420
Central America, mixed fauna of, 53
Ceratodus, or mud-fish, 69
Cervus, 17, 26
Chalk a supposed oceanic formation, 89
Chalk at Oahu, analysis of, 90
Chalk, analysis of, 91
Chalk mollusca indicative of shallow water, 93
Chalk sea, extent of, in Europe, 93
Chalk-formation, land-plants found in, 94
deposited in an inland sea, 93
of Faxoe an ancient coral-reef, 94
modern formation of, 95
supposed oceanic origin of, erroneous, 96
"Challenger" soundings and shore-deposits, 86
"Challenger" ridge in the Atlantic, 101
Chameleons very abundant in Madagascar, 430
Chamois, distribution of, 13
Changes of land and sea, 83
Chasmorhynchus, distribution of, 24
_C. nudicollis_, 24
_C. tricaruncul