CONTENTS. xxiii 



„ ^ Page 



2. Genera 397 



3. Orders or Families 398 



4. Classes 399 



Characters 400 



Nomenclature 400 



Abbreviations and Symbols 402 



CHAPTER 2. 



SYSTEMS OF CLASSIFICATION 



403 



Section 1. 



artificial systems of classification . 406 



Linnsean System 407 



Classes of 407 



Orders of 410 



Tabular View of the Liuntean System . . 414 



a 4 



