CONTENTS 



A Foreword . . . 



CHAPTER 



PAGE 



I 



I. Evolution Before Darwin 



II. Darwin and Wallace 



III. The Underlying Idea ... 



44 



IV. Adaptation for the Individual §7 



V. Adaptation for the Species 125 



VI. Life in the Past. . . 



149 



VII. How the Mammals Developed 102 



VIII. The Story of the Horse 220 



IX. Evolution Since Darwin 233 



X. The Future Evolution of Man 249 



XL Science and the Book 274 



Index 



293 



MOPERTY OF 



i;%M.COaEGE LIBRARY. 



6o-[t 



