



CONTENTS 



, CHAPTER I 



THE NATURE OF ANIMAL LIFE 



PAGE 



The organism as a structure Structural differences Structure and 

 function Integration of activities Co-ordination of activities 

 The organism and the State ... -I 



CHAPTER II 



THE SENSORI-MOTOR SYSTEM 



The meaning of organic movement Mobility patterns The sensori- 

 motor system The motor organs The sensory mechanisms 

 The nervous links An example of sensori-motor activity 



CHAPTER III 



THE PRINCIPLES OF ENERGY 



The nature of a material body Modern theories of matter The 

 capacity for doing work Energy The diminution of available 

 energy Energy in the abstract Potential and kinetic energ}' 

 Releasing transformations The principle of becoming - 





CHAPTER IV 



THE SOURCES OF ENERGY 



The inanimate engine The animate engine Digestive process in 

 animals The foodstuffs Absorption and distribution The 

 respiratory interchange The sources of energy The removal 

 of waste Glandular activity - 55 



CHAPTER V 



ON VITAL PRODUCTION 



Animal metabolism The fate of the proteid residues Plant meta- 

 bolism The balance of life Production and consumption - 76 



