x CONTENTS 



LECTURE IV. 



PAGE 



ORGANISM AND MECHANISM 107 



1. Is Organism More than Mechanism?, 107 2. Chemical 

 and Physical Laws Apply to Organisms, 110 3. Some Diffi- 

 culties in the Application of Physical and Chemical Formulae 

 to Organisms, 113 4. Criticism of Mechanistic Descrip- 

 tions of Everyday Functions, 117 5. Criticism of Mechan- 

 istic Descriptions of Animal Behaviour, 122 6. Difficulty of 

 Applying Mechanistic Formulae to Development, 126 7. 

 Difficulty of Applying Mechanistic Formulae to Organic Evo- 

 lution, 131 8. Answers to Criticisms, 135. 



LECTURE V. 



THE UNIQUENESS OF LIFE 143 



1. The Inadequacy of a Mechanistic Description of Organ- 

 isms Is a Negative Conclusion, 143 2. The Problem: Vital- 

 ism or Mechanism, or Neither T, 144 I 3. Are Organisms 

 Unique in Virtue of their Complexity?, 147 4. Have Organ- 

 isms a Monopoly of Some Peculiar Energy or Energies?, 149 

 5. Is there a Non-perceptual Vital Agency resident in 

 Organisms and Operative in distinctively Vital Activities?, 

 153 6. Descriptive or Methodological Vitalism: the 'Bio- 

 logical ' View, 159 7. Speculative, 103 8. Retrospect, 166 

 9. Why Cannot the Controversy between Mechanistic and 

 Vitalistic Theory be Ended?, 169. 



LECTURE VI. 



ANIMAL BEHAVIOUR . . . .175 



1. What Is Behaviour?, 175 2 Diverse Views as to 

 Animal Behaviour, 177 3. Activities of Unicellular Organ- 

 isms, 179 4. Special Case of Shell-building among Are- 

 naceous Foraminifera, 185 5. Reflex Actions, 186 6. 

 Tropisms, 192 7. Non-intelligent Experimentation, 195 

 8. Instinctive Behaviour, 198 9. Theories of Instinct, 

 203 10. Evidence of Intelligent Behaviour, 211 11. Sec- 

 ondary Simplifications of Behaviour, 215 12. Rational Con- 

 duct, 217 13. General Impressions of Animal Behaviour, 

 217. 



LECTURE VII. 



THE PROBLEM OF BODY AND MIND ... . .v ><? = . 227 



51. The Approach to the Problem. 227 2. What Must Be 

 Recognised from the Biological Side, 230 3. What Must 

 Be Recognised from the Humanist Side, 234 4. Various 

 Theories of the Relation of Mind ' and ' Body ', 236 5. 

 Monistic Speculation along the Line of the Double-Aspect 

 or Correlation Theory, 251. 



