CONTENTS. 



PAGE. 



INTRODUCTION 1 



PART I. 



THE DESCENT OK OEIGIN OF MAJT. 



CHAPTER I. 

 The Evidence of the Descent of Man from Some Lower Form. . 5 



CHAPTER II. 

 On the Manner of Development of Man from Some Lower Form 29 



CHAPTER III. 



Comparison of the Mental Powers of Man and the Lower 



Animals 73 



CHAPTER IV. 



Comparison of the Mental Powers of Man and the Lower 



Animals continued 110 



CHAPTER V. 



On the Development of the Intellectual and Moral Faculties 



During Primeval and Civilized Times 144 



CHAPTER VI. 

 On the Affinities and Genealogy of Man 166 



CHAPTER VIL 

 On the Races of Man. . 189 



