permanence of, as affecting distribution, 7

to the dispersal of birds, 17

Bates, Mr., on Carabidæ of Japan, 228

on Longicorns of Japan, 230

Bathmodon, N. American Tertiary, 136

Bathrodon, N. American Tertiary, 133

Batrachia, Tertiary, 165

Bats, powers of flight of, 15

classification of, 87

of New Zealand, 450