PIONEERS OF EVOLUTION' 



FROM THALES TO HUXLEY 



WITH AN INTERMEDIATE CHAPTER ON 

 THE CAUSES OF ARREST OF THE MOVEMENT 



BY 



EDWARD CLODD 



PRESIDENT OF THE FOLK-LORE SOCIETY 

 AUTHOR OF THE CHILDHOOD OF THE WORLD, 



THE STORY OF CREATION, 

 THE STORY OF PRIMITIVE MAN, ETC. 



WITH PORTRAITS 



NEW YORK 



D. APPLETON AND COMPANY 

 1897 



