CONTENTS. 



CHAPTER V. On the Natural History of the Variations in 

 the Meaning of Terms. 



F16B 



1. How circumstances originally accidental become incorpo 

 rated into the meaning of words . . . .236 



2. and sometimes become the whole meaning . . 238 



3. Tendency of words to become generalized . . . 240 



4. and to become specialized .... 243 



CHAPTEK VI. The Principles of a Philosophical Language 

 further considered. 



1. Second requisite of philosophical language, a name for 



every important meaning ..... 248 



2. viz. first, an accurate descriptive terminology . . 248 



3. secondly, a name for each of the more important results 



of scientific abstraction ..... 252 



4. thirdly, a nomenclature, or system of the names of 



Kinds . . . . . . .255 



5. Peculiar nature of the connotation of names which belong 



to a nomenclature . . . . .257 



6. In what cases language may, and may not, be used me 



chanically ....... 259 



CHAPTER VII. Of Classification, as subsidiary to 

 Induction. 



1. Classification as here treated of, wherein different from 



the classification implied in naming . . . 266 



2. Theory of natural groups ..... 267 



3. Are natural groups given by type, or by definition? . 271 



4. Kinds are natural groups ..... 274 



5. How the names of Kinds should be constructed . 280 



CHAPTER VIII. Of Classification ly Series. 



1. Natural groups should be arranged in a natural series . 284 



2. The arrangement should follow the degrees of the main 



phenomenon . . . . . .285 



3. which implies the assumption of a type-species . 287 



