CONTENTS 



CHAP. PA.OB 



INTRODUCTION. ..... vii 



I EVIDENCES OF EVOLUTION FROM EXPLORER 



AND PALAEONTOLOGIST .... 16 



II EVIDENCES OP EVOLUTION FROM ANATOMIST, 



EMBRYOLOGIST AND PHYSIOLOGIST . . 41 



III GREAT STEPS IN EVOLUTION . . .68 



IV VARIATION AND HEREDITY . .113 

 V SELECTION . . . . . .143 



VI ORGANISM, FUNCTION AND ENVIRONMENT . 183 



VII EVOLUTION THEORIES IN THEIR SOCIAL 



ORIGINS AND INTER-ACTIONS. . .212 



Till THE EVOLUTION PROCESS ONCE MORE RE- 

 INTERPRETED . . . . .232 



\ 

 BIBLIOGRAPHY. . ... 249 



