CONTENTS vii 



X 



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 



