CONTENTS. 

 Preface, v 



The Scope and Principles of the Eyolutiox Phi- 

 losophy, 3 



Wallace on Darwinism; evolution a universal method; 

 agnosticism what is it? the nature and limitations of 

 knowledge; the relations of the evolution philosophy to 

 materialism and idealism; to the doctrines and methods 

 of the Christian church; its relations to sociology; its 

 attitude toward the practical problems of social life. 



By Dr. Lewis G. Janes. 



The Relativity of Knowledge, 29 



The nature of sense-perception ; sight, sound, taste, smell, 

 feeling; the doctrine of the Unknowable; the relative 

 nature of matter, motion, form, weight, extension; the 

 relativity of ethical and social theories; the truth of def- 

 inite relations; tlie doctrine of relativity assures charity 

 and mental freedom. 



By Robert G. Eccles, M.D. 



Primitive Man, 45 



Man as revealed by archaeological studies; evidences of 

 man's antiquity; geological periods; man's appearance in 

 the pliocene; palajolithic and neolithic races; the ages of 

 bronze and iron; cave-men and lake-dwellers; dolmen- 

 and mound-builders; primitive implements and tools; 

 proofs of man's natural evolution. 



By Z. Sidney Sampson. 



Growth of the Marriage Relation, .... 69 



Marriage a primitive institution; its earlier forms; no 

 evidence of original promiscuity ; exogamy and endogamy; 

 group-marriage; polygyny, polyandry and monogamy; 

 marriage by capture; monogamy the highest form of the 

 relation; divorce and divorce-laws; marriage a contract; 

 its regulation by the State. 



By C. Staniland Wake. 



Evolution of the State, 91 



The growth of political institutions; the patriarchal family; 

 the tribe and clan; the ancient city; monarchical and 



(vii) 



