VI 
CONTENTS OF VOL. I. 
conquer other less persistent instincts — The social virtues alone 
regarded hv 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 IY. 
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 — Re- 
version — Correlated variation — Rate 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 Y. 
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 — Various small 
points of resemblance between man and the Quadrumana — 
Rank of man in the natural system — Birthplace and antiquity 
