Chapter VII. The Age of Mammals

§ 1. A new age of life 51 § 2. Tradition comes into the world 52 § 3. An age of brain growth 56 § 4. The world grows hard again 57 § 5. Chronology of the Ice Age 59 BOOK II THE MAKING OF MEN

§ 1. Man descended from a walking ape 62 § 2. First traces of man-like creatures 68 § 3. The Heidelberg sub-man 69 § 4. The Piltdown sub-man 70 § 5. The riddle of the Piltdown remains 72

(The Early Palæolithic Age) § 1. The world 50,000 years ago 75 § 2. The daily life of the first men 79 § 3. The last Palæolithic men 84