TABLE OF CONTENTS 



CHAPTER I 



THE DIFFICULTIES AND METHODS OF COMPARATIVE PSY- 

 CHOLOGY 



PAGES 



i. Difficulties. 2. Methods of obtaining Facts: 

 Anecdote. 3. Methods of obtaining Facts: Experi- 

 ment. 4. Methods of Qbtaining Facts : the Ideal 

 Method. 5. Methods of Interpreting Facts . . 1-26 



CHAPTER II 



THE EVIDENCE OF MIND 



6. Inferring Mind from Behavior. 7. Inferring Mind 



from Structure 27-36 



CHAPTER III 



THE MIND OF THE SIMPLEST ANIMALS 



8. The Structure and Behavior of Amreba. 9. The 

 Mind of Amoeba. 10. The Structure and Behavior 

 of Paramecium. 11. The Mind of Paramecium. 

 12. Definitions of Tropisms 37~S7 



CHAPTER IV 



SENSORY DISCRIMINATION: METHODS OF INVESTIGATION 



13. Preliminary Considerations. 14. Structure as 

 Evidence of Discrimination. 15. Behavior as Evi- 

 dence of Discrimination. 16. Evidence from Structure 

 and Behavior Combined. 17. Evidence for Discrimi- 

 nation of Certain " Lower " Sensation Classes . . 58-66 



vii 



