  CONTENTS PART I STRUCTURE, FUNCTIONS, AND DEVELOPMENT OF PART II SYSTEMATIC ZOOLOGY CHAPTER XIV THE CLASSIFICATION OF ANIMALS PART III ANIMAL ECOLOGY CHAPTER XXIX THE STRUGGLE FOR EXISTENCE, ADAPTATION, AND SPECIES-FORMING APPENDICES EQUIPMENT AND METHODS APPENDIX I EQUIPMENT AND NOTES OF PUPILS APPENDIX II LABORATORY EQUIPMENT AND METHODS APPENDIX III REARING ANIMALS AND MAKING COLLECTIONS ELEMENTARY ZOOLOGY |
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