CONTENTS 



Page 



Peeiace vii 



1. The New Cell Doctrine. . . . . i 



2. Cytomorphosis. ... 24 



3. The Doctrine oe Immortality. . . . . 43 



4. The Development or Death. ... 59 



5. The Determination oe Sex. . . . 82 



6. The Notion or Liee. . . . 103 



IX 



