VI CONTENTS OF VOL. 1. 



conquer other less persistent instincts — The social virtues alone 

 regarded by savages — The self regarding virtues acquired at a 

 later stage of development — The importance of the judgment 

 of the members of the same community on conduct — Trans- 

 mission of moral tendencies — Summary .. .. Page 70-106 



CHAPTEE IV. 



On the Manner of Development of Man from some 



Lower Form. 



Variability of body and mind in man — Inheritance — Causes of 

 variability — Laws of variation the same in man as in the lower 

 animals — Direct action of the conditions of life — Effects of the 

 increased use and disuse of parts — Arrested development — Ee- 

 version — Correlated variation — Eate of increase — Checks to 

 increase — Natural selection — Man the most dominant animal 

 in the world — Importance of his corporeal structure — The 

 causes which have led to his becoming erect — Consequent changes 

 of structure — Decrease in size of the canine teeth — Increased 

 size and altered shape of the skull — Nakedness — Absence of 

 a tail — Defenceless condition of man 107-157 



CHAPTEE V. 



On the Development of the Intellectual and Moral 

 Faculties during Primeval and Civilised Times. 



The advancement of the intellectual powers through natural selec- 

 tion — Importance of imitation — Social and moral faculties — 

 Their development within the limits of the same tribe — Natural 

 selection as affecting civilised nations — Evidence that civilised 

 nations were once barbarous"' 158-184 



CHAPTEE VI. 



On the Affinities and Genealogy of Man. 



Position of man in the animal series — The natural system genea- 

 logical — Adaptive characters of slight value — Similar small 

 points of resemblance between man and the Quadrumana — 

 Eank of man in the natural system — Birthplace and antiquity 



