BOOK II.

THE DESERTS OF SAND:--THE DESERTS OF EUROPE AND AFRICA.

I. THE RAINLESS DESERT--THE BED OF A SEA--THE DEAD SEA, 95

II. ARABIA DESERTA AND ARABIA PETRÆA, 106

III. THE NUBIAN DESERT--THE GREAT SAHARA--DESERTS OF AFRICA, 118

IV. PHENOMENA OF THE DESERT, 134

V. VEGETABLE LIFE IN THE DESERT--THE OASES, 148

VI. ANIMAL LIFE IN THE DESERT, 162

VII. THE MEN OF THE DESERT, 174