BOOK V.

THE POLAR DESERTS--THE MOUNTAINS.

I. THE POLAR DESERTS, 543

II. ANIMAL LIFE AND VEGETABLE LIFE IN THE POLAR DESERTS, 555

III. THE INHABITANTS OF THE ARCTIC WILDERNESSES:--THE LAPLANDERS, SAMOIEDES, OSTIAKS, KAMTSCHATDALES, ESKIMOS (OR ESQUIMAUX), 569

IV. THE MOUNTAINS, 579

V. VEGETABLE LIFE AND ANIMAL LIFE IN THE MOUNTAINS, 598

THE DESERT WORLD.