CONTENTS 



INTKODUOTIOH Jfl 



PAET I 

 THE DESCENT OB ORIGIN OF MAN 



CHAPTER I 



THE EVIDBNOB OP THB DESCENT OP MAN FEOM SOME LOWER POEM 



Nature of the evidence bearing on the origin of maif — Homologous struc- 

 tures in man and the lower animals — Miscellaneous points of corre- 

 spondence — DeTelopment — Rudimentary structures, muscles, sense- 

 organs, hair, bones, reproductive organs, etc. — The bearing of these 

 three great classes of facta on the origin of man 21 



CHAPTER II 



ON THB MANNBB OP DEVELOPMENT OP MAN PEOM SOME LOWEE POEM 



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 — BfEects of the increased use and dis- 

 use of parts — Arrested development — Reversion — Correlated variation 

 — Rate of increase — Checks to increase — Natural selection — Man the 

 most dominant animal in the world — Importance of his corporeal struc- 

 ture — 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 i6 



CHAPTER ni 



COMPABISON OF THE MENTAL POWEBS OP MAN AND THE LOWER ANIMALS 



The difference in mental power between the highest ape and the lowest 

 savage^ i^mSS^c — Certain instincts in common — The emotions — 

 Curiosity — Imitatidn-' — Attention — Memory — ^Imagination — Reason — 

 Progressive ImprovemeliJ^ — Tools and weapons used by animals — 

 Abstraction, self-consciousfii'ss — Language — Sense of beauty — Belief 



in God, spiritual agencies, superstitions 94 



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