CONTENTS ix 



Page 



CHAPTER II. THE GENERATION OF VIRUSES 142 



-1. Changes in the Structure of Protoplasm Protein Leading to Virus 



Generation 142 



2. Environmental Change and Virus Generation 143 



3. The Seasonal Change in the Virus Infection 146 



CHAPTER III. IMPERFECT VIRUSES . 151 



1. Eczema or Allergic Dermatitis 151 



2. Cancers 152 



3. The Maintenance of Assimilase Action in Protoplasm Fragments. . . 154 



CHAPTER IV. THE VARIABIUTY OF VIRUSES 158 



1. The Inheritance of Altered Structure 158 



2. The Variation of Newly Produced Viruses 160 



3. Increase and Decrease in the Virulence of Viruses 163 



CHAPTER V. FIXED VIRUSES 165 



1. Immunity against Viruses 165 



2. The Fixation of Viruses 167 



CHAPTER VI. DEVELOPMENT FROM VIRUSES TO ORGANISMS ... 167 



1. Rickettsiae 169 



2. Indisputable Organisms 170 



CHAPTER VII. CAUSES OF THE EVOLUTION OF VIRUSES 173 



1. Development of Instincts Indispensable for Organisms 173 



2. Difficult Situation of Newly Generated Viruses to Continue Their 

 Existence 175 



CHAPTER VIII. VIRUSES AND INSECTS 177 



1. The Multiplication of Viruses in Insects 177 



2. The Reversibility of Protein Structure 178 



3. Heritable Changed Structure 181 



4. The Cause of the Fixation of Viruses 184 



CHAPTER IX. THE REJUVENATION OF VIRUSES 189 



1. The Transmission of Viruses by Insects 189 



2. The Mechanims of Rejuvenation 190 



3. Various Means for Rejuvenation 195 



CHAPTER X. THE SECONDARY ORGANISMS 198 



1. Parasitism and Commensalism 198 



2. Important Significance of Parasitism 200 



3. The Limit of the Secondary Organisms 203 



4. Inclusion Bodies and Metamorphosis 206 



CHAPTER XI. THE SUMMARY OF PART III 209 



REFERENCES 218 



