CHAPTER PAGE
I. EVOLUTION. THE LIVING ORGANISM AND ITS NATURAL HISTORY 1
II. THE STRUCTURE AND DEVELOPMENT OF ANIMALS AS EVIDENCE OF EVOLUTION 35
III. THE EVIDENCE OF FOSSIL REMAINS 73
IV. EVOLUTION AS A NATURAL PROCESS 106
V. THE PHYSICAL EVOLUTION OF THE HUMAN SPECIES AND OF HUMAN RACES 150
VI. THE MENTAL EVOLUTION OF MAN 197
VII. SOCIAL EVOLUTION AS A BIOLOGICAL PROCESS 241
VIII. EVOLUTION AND THE HIGHER HUMAN LIFE 278
INDEX 313