PART I
PREFACE
INTRODUCTION
CHAPTER I THE ABSTRACT IDEA
CHAPTER II HISTORY OF THE IDEA
CHAPTER III FACT NUMBER ONE
CHAPTER IV FACT NUMBER TWO
CHAPTER V TURNED UPSIDE DOWN
CHAPTER VI FACT NUMBER FOUR
CHAPTER VII EXTINCT SPECIES
CHAPTER VIII SKIPPING
PART II.
CHAPTER IX GRAVEYARDS
CHAPTER X CHANGE OF CLIMATE
CHAPTER XI DEGENERATION
CHAPTER XII FOSSIL MEN
CHAPTER XIII INDUCTIVE METHODS
APPENDIX
APPENDIX REFLECTIONS
