CONTENTS

Page

I Introduction 1

II Le Bon’s Description of the Group Mind 5

III Other Accounts of Collective Mental Life 23

IV Suggestion and Libido 33

V Two Artificial Groups: the Church and the Army 41

VI Further Problems and Lines of Work 52

VII Identification 60

VIII Being in Love and Hypnosis 71

IX The Herd Instinct 81

X The Group and the Primal Horde 90

XI A Differentiating Grade in the Ego 101

XII Postscript 110