X1Y 



CONTENTS. 



XII. 



PAGB 



TnE Expression of the Emotions in Man and other Animals. 



The Principle of Associated Habit ..... 258 

 The Principle of Antithesis . . . . .261 



Origin of the Principle of Antithesis ..... 263 

 The Principle of the Action of the Excited Nervous System on the 



Body. ....... 265 



XIII. 



XIV. 



The Provisional Hypothesis of Pangenesis. 



Functional Independence of the Units of the Body . 

 Necessary Assumptions ..... 



299 

 S02 



