An Introduction to the Study of 



SOCIAL EVOLUTION 



THE PREHISTORIC PERIOD 



BY 



F. STUART CHAPIN, Pli.D. 



PROFESSOR OF SOCIOLOGY AND ECONOMICS, 

 l.V SMITH COLLEGE 



SeconC* "Kcvl^eD lEDttlon 



NEW YORK 

 THE CENTURY CO 



19^20 



33^04 



