Transcriber's Note
PREFACE.
CONTENTS.
LIST OF ILLUSTRATIONS.
CHAPTER I. THE NATURE OF ANIMAL LIFE.
CHAPTER II. THE PROCESS OF LIFE.
CHAPTER III. REPRODUCTION AND DEVELOPMENT.
CHAPTER IV. VARIATION AND NATURAL SELECTION.
CHAPTER V. HEREDITY AND THE ORIGIN OF VARIATIONS.
CHAPTER VI. ORGANIC EVOLUTION.
CHAPTER VII. THE SENSES OF ANIMALS.
CHAPTER VIII. MENTAL PROCESSES IN MAN.
CHAPTER IX. MENTAL PROCESSES IN ANIMALS: THEIR POWERS OF PERCEPTION AND INTELLIGENCE.
CHAPTER X. THE FEELINGS OF ANIMALS: THEIR APPETENCES AND EMOTIONS.
CHAPTER XI. ANIMAL ACTIVITIES: HABIT AND INSTINCT.
CHAPTER XII. MENTAL EVOLUTION.
INDEX.
