2 THE LEWIS LECTURES 



he lived, so that it would have been unreason- 

 able for us to expect from these writers any 

 other conclusions than those at which they 

 actually arrived. Understanding these condi- 

 tions we can better understand how to meet 

 the arguments of those still influenced by the 

 outgrown ideas which are perhaps best stated 

 in the writings of the leaders here considered. 



Socialism and Modem Thought. This is 

 planned for the third volume of the series, and 

 will probably be ready in the summer or fall of 

 1908. It will be a direct supplement to this 

 present volume, Evolution, Social and Organic, 

 which explains the scientific basis on which 

 socialism rests. The second volume, as we 

 have shown, is taken up with an examination 

 of rival theories. The third volume will restate 

 the principles of socialism and show how they 

 are applied to the pressing problems of today. 

 A lecture on "The Economic Interpretation of 

 History" will show how Marx's historical 

 method throws a search-light on the darkest 

 places in which sociological students have 

 hitherto groped. One on "The Positive School 

 of Criminology" will tell how the socialist 

 scholars of Italy have revolutionized the once 

 hopeless science of crimes and punishments, 



