CONTENTS. 



PART FIRST. 



THE ORIGIN OF LIFE. 

 CHAPTER I. 



PAGE 

 THE OLD AND THE NEW DEVELOPMENT THEORY. CHEMICAL AFFINITY AND 



THE PRINCIPLE OF LIFE, OR THE ORGANIC AND INORGANIC FORCES. THE 

 LOWEST ORGANIC BEINGS. SPONTANEOUS GENERATION ... 3 



CHAPTER II. 



WHAT SPONTANEOUS GENERATION PROVES. THE EGG IS THE LOWEST PHASE 



OF ANIMAL LIFE. THE EGG A BIPOLAR ANIMAL. THE EGG CON- 

 TRASTED WITH THE LOWEST FORMS OF ADULT BEINGS. THE EGG AS 



RELATED TO SECONDARY CAUSES ...... .28 



CHAPTER III. 



THE OLD APHORISM, " OMNE VIVUM EX OVO," NOT STRICTLY CORRECT. 



THE ORIGIN OF INDIVIDUALS BY BUDDING AND SELF-DIVISION . .54 



CHAPTER IV. 



THE REGENERATION OF LIVING ORGANISMS AFTER PARTIAL DESTRUCTION. 

 THE PERSISTENCY OF VITALITY DURING DECOMPOSITION. THE RELA- 

 TION OF SECONDARY CAUSES TO THE GREAT PRIMARY CAUSE. ANIMALS 



PRIMARILY CREATED IN AN ADULT STATE 88 



CHAPTER V. 



SPONTANEOUS GENERATION AND REPRODUCTION BY BUDDING AND FISSIGEM- 

 MATION MOST FREQUENT AMONG THE LOWEST RANKS OF ANIMATE 



BEINGS. ALL ANIMALS ALIKE IN THE EARLIEST STAGES. MAN AND 



MONAD ARE AT ONE TIME A MERE DROP OF FLUID 109 



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