CHAPTER V.
ON THE DEVELOPMENT OF THE INTELLECTUAL AND MORAL FACULTIES DURING
PRIMEVAL AND CIVILISED TIMES.
Advancement of the intellectual powers through natural
selection 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.
CHAPTER VI.
ON THE AFFINITIES AND GENEALOGY OF MAN.
Position of man in the animal series The natural system
genealogical 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 of man Absence of fossil
connecting-links Lower stages in the genealogy of man, as inferred
firstly from his affinities and secondly from his structure Early
androgynous condition of the Vertebrata Conclusion.
CHAPTER VII.
ON THE RACES OF MAN.
The nature and value of specific characters Application to the races of
man Arguments in favour of, and opposed to, ranking the so-called races
of man as distinct species Sub-species Monogenists and
polygenists Convergence of character Numerous points of resemblance in
body and mind between the most distinct races of man The state of man
when he first spread over the earth Each race not descended from a
single pair The extinction of races The formation of races The effects
of crossing Slight influence of the direct action of the conditions of
life Slight or no influence of natural selection Sexual selection.
PART II. SEXUAL SELECTION.
CHAPTER VIII.
PRINCIPLES OF SEXUAL SELECTION.
Secondary sexual characters Sexual selection Manner of action Excess of
males Polygamy The male alone generally modified through sexual
selection Eagerness of the male Variability of the male Choice exerted
by the female Sexual compared with natural selection Inheritance at
corresponding periods of life, at corresponding seasons of the year,
5