vi Contents. 



CHAPTER V. 



PAGE 



The Constitution of Energy, . . . .62 



Sect. 1. Fundamental Energies. — 2. Secondary Energies. — 

 3. The Conservation of Energy. — 4. The Correlation 

 of Physical Forces. — 5. Energy as Automatic. — 6. The 

 Duality of Energy. — 7. Magnetism. 



CHAPTER VI. 



The Primary Laws of Energy, . . . .74 



Sect. 1. Like-Material-Attraction. — 2. Sexual- Material - 

 Selection.— 3. Polarity. — 4. Like-Central-Repulsion. — 

 5. Magnetic Induction. 



CHAPTER VII. 



The Secondary Laws of Energy, ... . 89 



Sect. 1. Gravitation. — 2. Cohesion. — 3. Chemical Attrac- 

 tion. 



CHAPTER VIII. 

 The Evolution of Gases and Liquids, . . .103 



CHAPTER IX. 



The Evolution of Minerals, . . . .106 



Sect. 1. Geometrical Minerals. — 2. Snow Flakes. — 3. Ar- 

 borescent Minerals. 



CHAPTER X. 



The Causes of Mineral Evolution, . . .114 



Sect. 1. Substance. — 2. Structure. — 3. Energy. — 4. Form. — 

 5. Design. — 6. Life. — 7. Intelligence. 



