CONTENTS vii 



Phylum Choedata — continued. 



PAGE 



Class VI. Mammalia . 446 



1. Example of the Class — Lepus cuniculus ... . . 446 



2. Distinctive Characters and Classification of Recent Mammalia . 4V6 



Sub-class I. Prototheria 477 



II. Theria ... 478 



Systematic Position of the Example 488 



3. General Organisation 488 



The Mutual Relationships of the Chordata 610 



On the Mutual Relations of the Phyla of Animals ... . 616 



SECTION XIV 



Distribution ... . • • 619 



1. Geographical Distribution 619 



2. Bathymetrical Distribution . 634 



3. Geological Distribution . . . .... 638 



SECTION XV 

 The Philosophy of Zoology 643 



SECTION XVI 

 The History of Zoology . . 668 



APPENDIX — Zoological Literature . . . . 691 



INDEX .... • ... 697 



