x CONTENTS 



LECTURE IV. 



PACK 



ORGANISM AND MECHANISM 107 



1. Is Organism More than Mechanism?, 107 82. Chemical 

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

 culties in the Application of Physical and Chemical Form u In- 

 to Organisms, 113 4. Criticism of Mechanistic Descrip- 

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

 istic Descriptions of Animal Behaviour, 1225 6. Difficulty of 

 Applying Mechanistic Formula? 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. 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 



81. 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, 2118 11 Sec- 

 ondary Simplifications of Behaviour, 2158 12. Rational Con- 

 duct, 2178 13. General Impressions of Animal Behaviour, 



LECTURE VII. 



THE PROBLEM OF BODY AND MIND 227 



81. The Approach to the Problem, 22752. What Must Be 

 Recognised from the Biological Side, 23053. What Must 

 Be Recognised from the Humanist Side, 23454. Various 

 Theories of the Relation of 'Mind' and 'Body', 23655. 

 MoniBtic Speculation along the Line of the Double-Aspect 

 or Correlation Theory, 251 



