CONTENTS Xlll 



CHAPTER XXV 



PAGE 



CLASS MAMMALIA (CONT.): Man 465 



CHAPTER XXVI 

 THE DOCTRINE OF EVOLUTION AND RELATED IDEAS 476 



CHAPTER XXVII 

 ECONOMIC ZOOLOGY 498 



CHAPTER XXVIII 

 DEVELOPMENT OF ZOOLOGY 508 



CHAPTER XXIX 

 EXERCISES IN COMPARATIVE PHYSIOLOGY, MORPHOLOGY, AND ECOLOGY . . . 520 



APPENDIX 



LABORATORY SUGGESTIONS 523 



INDEX 533 



