sects of, 269
land-mollusca of, 270
flora of, 271
Bermuda and Azores, comparison of bird-faunas of, 268
_Bernicla sandvichensis_, 314
Biological causes which determine distribution, 532
Biological features of Madagascar, 416
Birds as plant-dispersers, 81
as seed-carriers, 81, 258
common to Great Britain and Japan, 396
common to India and Japan, 399
specific range of, 15
range of British, 34
range of East Asian, 38
variation in N. American, 58
dispersal of, 75
of the Azores, 249
of Bermuda, 266
of Bermuda and Azores compared, 268
of the Galapagos, 280
of the Sandwich Islands, 313
peculiar to Britain, 340
of Borneo, 377
of Java, 382
of the Philippines, 388
of Japan, 396
peculiar to Japan, 398
peculiar to Formosa, 404
common to Formosa and India or Malaya, 407
of Madagascar, and their teachings, 422
of Comoro Islands, 429
of the Seychelles, 430
of the Mascarene islands, 436
of islands east and west of Celebes, 454
of Celebes, 458
peculiar to Celebes, 459
Himalayan types of, in Celebes, 462
list of, in Celebes, 466
of New Zealand, 476, 482
wingless, of New Zealand, 476
Blackburn, Mr. T., on the beetles of the Sandwich Islands, 318
Blakiston and Pryer on birds of Japan, 396
{551}
Bland, Mr., on land-shells of Bermuda, 270
Blanford, Mr. W. T., on small effect of marine denudation, 225
Blanford, Mr. H. F., on former connection of Africa and India, 426
Blocks, travelled and perched, 109
Blue magpies, range of, 15
Borneo, geology of, 375
mammalia of, 376
birds of, 377
affinities of fauna of, 381
Borneo and Asia, resemblance of, 6
Borneo and Java, 373
Boulder-beds of the carboniferous formation, 201
Boulder clays of east of England, 118
Bovidae, 29
Brady, Mr. H. B., on habitat of globigerinae, 92
Braithwaite, Dr. R., on peculiar British mosses, 365
Britain, probable climate of, with winter in _aphelion_, 156
British birds, range of, 34-38
British Columbia, interglacial warm periods in, 121
British fauna and flora, peculiarities of, 370
British Isles, recent changes in, 332
proofs of former elevation of, 334
submerged forests of, 335
buried river channels of, 336
last union of, with continent, 337
why poor in species, 338
peculiar birds of, 339
fresh-water fishes of, 340