A FOREWORD 5 



brought it about. It tries to tell a little of the men 

 who have helped to develop the great idea of evo- 

 lution, of the great men who persuaded the scientific 

 world of its truth, and of the later minds that are 

 modifying and enlarging the idea of the master evo- 

 lutionist. It tries to tell what science perhaps vaguely 

 hopes as to the future. What are we to be? Can we 

 help the great advance? 



