- PREFACE
 - CHAPTER I INTRODUCTION
 - CHAPTER II “MANKIND IN THE
 - CHAPTER III MAN’S COUSINS
 - CHAPTER IV AT DAGGERS DRAWN
 - CHAPTER V THE LION AND HIS
 - CHAPTER VI COURTSHIP AMONG
 - CHAPTER VII
 - CHAPTER VIII SOME “COLD-BL
 - CHAPTER IX LOVE-MAKING AMON
 - CHAPTER X SOME OF THE “LOW
 - CHAPTER XI BEETLES THAT “B
 - CHAPTER XII SCORPIONS, SPID
 - CHAPTER XIII SOME STRANGE M
 - CHAPTER XIV PARTHENOGENESIS
 
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