ii. 207

_Balæniceps_, ii. 360

BALÆNIDÆ, ii. 207

_Balænodon_, European Pliocene, i. 112

_Balænoptera_, ii. 207

_Balænopteridæ_, ii. 207

_Balea_, ii. 516

_Balearica_, ii. 357

Baly, Mr., on Phytophaga of Japan, i. 230

Banca, its peculiar species and solution of a problem in distribution, i. 356

Band-fish, ii. 435

Bandicoots, ii. 250

_Barangia_, ii. 199

_Barbatula_, ii. 306

Barbets, ii. 305

_Barbichthys_, ii. 452

_Barbus_, ii. 451

_Barilius_, ii. 452

_Barissia_, ii. 392

Barriers, as affecting distribution, i. 6 permanence of, as affecting distribution, i. 7 to the dispersal of birds, i. 17

_Baryphthengus_, ii. 313

_Barypus_, ii. 492

_Basileuterus_, ii. 279

_Basilornis_, ii. 287

_Bassaris_, ii. 200

_Batara_, ii. 104

Bates, Mr., on Carabidæ of Japan, i. 228 on Longicorns of Japan, i. 230

_Bathmodon_, N. American Tertiary, i. 136

_Bathrodon_, N. American Tertiary, i. 133

_Bathyerges_, ii. 231

BATOIDEI, ii. 462

BATRACHIDÆ, ii. 431

_Batrachocephalus_, ii. 443

_Batrachoseps_, ii. 413

_Batrachostomus_, ii. 318

Bats, powers of flight of, i. 15 classification of, i. 87 of New Zealand, i. 450

_Baucis_, ii. 108

_Baza_, ii. 349

_Bdeogale_, ii. 195

Bearded Reedling, ii. 262

Bears, probable cause of absence of, from tropical Africa, i. 291