X CONTENTS 



THE CHANGING WORLD 



CHAPTER PAGL 



XXI. Time Spent (Palaeontology) 473 



XXII. The Epic of Evolution 483 



XXIII. That Animal, Man (Anthropology) .... 530 



MAN AS A CONQUEROR 



XXIV. Man's Conquest of Nature ...... 567 



XXV. Conservation and Its Meaning 589 



XXVI. Man's Fight for Survival 608 



XXVII. The Next Million Years 637 



Index 645 



