Chapter III: Introduction: 11

PSYCHOLOGICAL ASPECTS OF INSTINCT 15

BIOLOGICAL SIGNIFICANCE OF GREGARIOUSNESS 18

MENTAL CHARACTERISTICS OF THE GREGARIOUS ANIMAL 23

SOCIOLOGICAL APPLICATIONS OF THE PSYCHOLOGY OF HERD INSTINCT

GREGARIOUSNESS AND THE FUTURE OF MAN 60

SPECULATIONS UPON THE HUMAN MIND IN 1915

MAN’S PLACE IN NATURE AND NATURE’S PLACE IN MAN 66

COMMENTS ON AN OBJECTIVE SYSTEM OF HUMAN PSYCHOLOGY 69

SOME PRINCIPLES OF A BIOLOGICAL PSYCHOLOGY 91

THE BIOLOGY OF GREGARIOUSNESS 101

CHARACTERS OF THE GREGARIOUS ANIMAL DISPLAYED BY
MAN 112

SOME PECULIARITIES OF THE SOCIAL HABIT IN MAN 120

IMPERFECTIONS OF THE SOCIAL HABIT IN MAN 132

GREGARIOUS SPECIES AT WAR 139

ENGLAND AGAINST GERMANY—GERMANY 156

ENGLAND AGAINST GERMANY—ENGLAND 201

POSTSCRIPT OF 1919

PREJUDICE IN TIME OF WAR 214

PSYCHOLOGICAL ANTICIPATIONS 224

AFTER THE WAR 235

THE INSTABILITY OF CIVILIZATION 241

SOME CHARACTERS OF A RATIONAL STATECRAFT 251

INDEX 261

{11} INSTINCTS OF THE HERD IN PEACE AND WAR

HERD INSTINCT AND ITS BEARING ON THE PSYCHOLOGY OF CIVILIZED MAN