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 Formula; 

 to Organisms, 1 13 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 Formula; 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?, 144 3. Are Organisms 

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

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

 5. la 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, 169 7. Speculative, 103 8. Retrospect, 166 

 9. Why Cannot the Controversy between Mechanistic and 

 Vitalistic Theory be Ended?, 169. 



LECTURE VI. 



ANIMAL BEHAVIOUR 175 



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

 203 10. Evidence of Intelligent Behaviour, 2118 11 Sec- 

 ondary Simplifications of Behaviour, 215 8 12. Rational Con- 

 duct, 217 13. General Impressions of Animal Behaviour, 

 217. 



LECTURE VII. 



THE PROBLEM OF BODY AND MIND . . . . . .227 



8 1- The Approach to the Problem. 227 2. What Must Be 

 Recognised from the Biological Side, 2308 3. What Must 

 Be Recognised from the Humanist Side, 234 8 4. Various 

 Theories of the Relation of 'Mind' and 'Body', 23685. 

 Monistic Speculation along the Line of the Double-Aspect 

 or Correlation Theory, 251 



