TABLE OF CONTENTS. 



Page 



INTRODUCTION .... ... 17 



CHAPTER FIRST. 



THE SPHERE AND FUNDAMENTAL PRINCIPLES OP ZOOLOGY . '-5 



CHAPTER SECOND. 

 GENERAL PROPERTIES OF ORGANIZED BODIES . . , 35 



SECTION I. 

 Organized and Unorganized Bodies ....... 85 



SECTION II. 

 Elementary Structure of Organized Bodies .... 36 



SECTION III. 

 Differences between Animals and Plants . . 41 



CHAPTER THIRD. 



FUNCTIONS AND ORGANS OF ANIMAL LIFE . 44 



SECTION I. 

 0] the Nervous System and General Sensation . . M 



