VIU 



VONTEl^Tti. 



PAGE 



CHAPTER X. Development 644 



Metamorphosis 051 



PartlienogeuBsis and Alternation of Genera- 

 tions 053 



Dimorphism and Polymorphism 054 



Individuality 656 



Hybridity 657 



XI. The Geogbaphical Distribution op Animals 658 



Means of Dispersal 660 



Division of the Earth into Faunje 661 



Distribution of Marine Animals 664 



Chief Zoological Faunte of the Earth 666 



XII, The Geological Succession op Animals 608 



XIII. The Origin of Species 671 



XIV. Protective Resemblance 075 



XV. Instinct and Reason in Animals 080 



XVI. Glossary 689 



XVII. Index 697 



