CONTENTS. XI 



PAGE 



3. The principal investigations of Psychology characterized . 500 



4. Relation of mental facts to physic?! conditions . . 506 



CHAPTER V. Of Ethology, or the Science of the Formation 

 of Character. 



1. The Empirical Laws of Human Nature . .511 



2. are merely approximate generalizations. The universal 



laws are those of the formation of character . . 515 



3. The laws of the formation of character cannot be ascer- 



tained by observation and experiment . .618 



4. but must be studied deductively . . . 523 



5. The Principles of Ethology are the axiomata media of 



mental science ..... 626 



6. Ethology characterized . . . . 529 



CHAPTER VI. General considerations on the Social Science. 



1. Are Social Phenomena a subject of Science? . . 533 



2. Of what nature the Social Science must be . . 536 



CHAPTER VII. Of the Chemical, or Experimental Method 

 in the Social Science. 



1. Characters of the mode of thinking which deduces political 



doctrines from specific experience . ; . 539 



2. In the Social Science experiments are impossible . . 542 



3. the Method of Difference inapplicable . . 543 



4. and the Methods of Agreement, and of Concomitant 



Variations, inconclusive . . . .545 



5. The Method of Residues presupposes Deduction . . 547 



CHAPTER VIII. Of the Geometrical, or Abstract Method. 



1. Characters of this mode of thinking . . . 551 



2. Examples of the Geometrical Method . '. . 553 



3. The interest-philosophy of the Bentham school . . 555 



CHAPTER IX. Of the Physical, or Concrete Deductive 

 Method. 



1. The Direct and Inverse Deductive Methods . . 561 



2. Difficulties of the Direct Deductive Method in the Social 



Science . 565 



