xii CONTENTS 



Page 



CHAPTER VIII. THE INHERITANCE OF ACQUIRED CHARACTERS . . 394 



1. The Forgetting of the Original Structure 394 



2. The Transmission of the Acquired Pattern to Germ Cells 397 



3. The Effect of Use and Disuse 400 



CHAPTER IX. EVOLUTION AND MUTATION 402 



1. The Significance of Mutation 402 



2. Genie Changes due to Chemical Agents 403 



CHAPTER X. THE MECHANISM OF EVOLUTION 407 



1. The Evolution without Natural Selection 407 



2. The Evolution of Evolution Mechanism 408 



3. The Survival of the Fittest 410 



4. The Degeneration of Organs and Atavism 411 



CHAPTER XI. THE CHANGE IN HUMAN CHARACTER BY 



ENVIRONMENT 414 



1. Climate and Mankind 414 



2. The Inheritance of Habitude 416 



CHAPTER XII. THE EVOLUTION OF MANKIND AND ITS FUTURE. . 419 



1. The Orthogenesis of Protein Molecules 419 



2. The Orthogenesis of Mankind 422 



3. The Cause of the Orthogenesis of Man 427 



4. Viruses, the Fatal Enemy of Man ' 431 



CHAPTER XIII. THE SUMMARY OF PART V 440 



REFERENCES . v ". 451 



