CONTENTS

PAGE
Introduction[vii]
PART I
THE CULTURAL HISTORY OF THE ETHNIC MIND
CHAPTER I
The Unity of the Human Mind[3]
CHAPTER II
The Individual and the Group. The Ethnic Mind[23]
CHAPTER III
Physiological Variation in the Ethnic Mind. Progressive and Regressive Variation. Modes and Rates of Ethnic Variation[46]
CHAPTER IV
Pathological Variation in the Ethnic Mind[82]
PART II
THE NATURAL HISTORY OF THE ETHNIC MIND
Introduction[123]
CHAPTER I
The Influence of the Somatic Environment[126]
CHAPTER II
Ethnic Mental Diversity from Cognatic Causes. Heredity; Hybridity; Racial Pathology[147]
CHAPTER III
The Influence of the Social Environment[163]
CHAPTER IV
The Influence of the Geographic Environment[180]
Index[201]