CONTENTS vii 



PHYLUM CHORDATA continued. PAGE 



Class VI. Mammalia . . 432 



1. Example of the Class Lepus cuniculus 432 



2. Distinctive Characters and Classification of Recent Mammalia . 462 



Sub-class I. Prototheria .... . . . 464 



II. Theria ... . . 464 



Systematic Position of the Example. . . . 474 



3. General Organisation .... . . 474 



The Mutual Relationships of the Chordata . . . 590 



On the Mutual Relations of the Phyla of Animals 596 



SECTION XIV 



DISTRIBUTION . 599 



1. Geographical Distribution 599 



2. Bathymetrical Distribution 614 



3. Geological Distribution .... . .618 



SECTION XV 

 THE PHILOSOPHY OF ZOOLOGY . .623 



SECTION XVI 



THE HISTORY OF ZOOLOGY .... 647 

 APPENDIX Zoological Literature . . . .671 



INDEX . 679 



