CONTENTS OF VOL. I. Y11 
of man — Absence of fossil connecting-links — Lower stages in 
the genealogy of man, as inferred, firstly from his affinities and 
secondly from liis structure — Early androgynous condition of 
the Vertebrata — Conclusion .. .. : .. •• Page 185-213 
CHAPTER VII. 
On the Races of Man. 
I he 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— Mono- 
genists 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 raco not descended from a single pair The ex- 
tinction of races — The formation of races — The effects of cross- 
ing — Slight influence of the direct action of the conditions of lile 
— - Slight or no influence of natural selection — Sexual selection 
214-250 
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, and as limited 
by sex — Relations between the several forms of inheritance — 
Causes why one sex and the young are not modified through 
sexual selection — Supplement on the proportional numbers ol 
the two sexes throughout the animal kingdom — On the limita- 
tation of the numbers of the two sexes through natural selection 
253-320 
