14 TABLE OF CONTENTS 



PAGE 



theory and selection. — " The Origin of Species." 

 — Evidence from geology, geography, embryol- 

 ogy, classification. — The origin of man. — The con- 

 flict between the new and the old theories. — The 

 triumph of the transmutation theory and its bear- 

 ing on various sciences. 



CHAPTER III 

 Darwin and Natural Selection 44 



The idea of natural selection a vital factor in 

 the triumph of the transmutation theory. — Nat- 

 ural and artificial selection. — The multiplication 

 of living things and the struggle for life. — Di- 

 vergence of character. — The direct influence of 

 environment. — Objections answered. — Natural se- 

 lection a decisive argument in favor of transmu- 

 tation. 



CHAPTER IV 

 Natural Selection since Darwin 57 



Controversies over natural selection. — A. R. 

 Wallace ; exclusive selectionism. — The Neo-Dar- 

 winians; A. Weismann. — The theory of panmixia. 

 — A discussion of selection. — The struggle against 

 nature and the struggle against individuals. — Is 

 rigorous selection an element of progress? — The 

 part pla) r ed by favourable conditions. — Chance and 

 the individual characters. — Isolated characters 

 and groups of characters. 



