CONTENTS OF YOL, I. 



INTRODUCTION. 



PAGE 



OBJECTS AND NATURE OF ZOOLOGICAL SCIENCE ; PLEA- 

 SURES AND ADVANTAGES OF THE STUDY ... 1 



CHAPTER I. 

 ON ZOOLOGICAL CLASSIFICATION 25 



CHAPTER II. 

 GENERAL CHARACTERS OF VERTEBRATED ANIMALS . 83 



CHAPTER III. 

 OF THE CLASS MAMMALIA . . . . . .92 



SUB-CLASS I. YIYIPAROUS MAMMALIA. 

 ORDER I. BIMANA . . . . .137 



ORDER II. QUADRUMANA .... 153 



ORDER III. CHEIROPTERA .... 181 



ORDER IV. INSECTIVORA . . . 194 



ORDER V. CARNIVORA . . . . .202 



ORDER VI. CETACEA ..... 237 



ORDER VII. RODENTIA ..... 246 

 ORDER VIII. EDENTATA ... .271 



ORDER IX. RUMINANTIA . . . , .283 



ORDER X. PACHYDERMATA .... 317 



SUB-CLASS II. OVO-YIVIPAROUS MAMMALIA. 



ORDER XI. MARSUPIALIA .... 342 



ORDER XII. MONOTREMATA . . 354 



