CONTENTS 



PAGE 



4 



FOREWORD 1 



CHAPTER 



I. INTRODUCTION 25 



II. CONCERNING EXPERIMENTS MADE IN 1906 . 34 



III. NEW EXPERIMENTS INITIATED IN 1909 . . 38 



IV. THE VARYING EFFECTS OF HIGH TEMPERA- 



TURES UPON THE SOLUTIONS . . .47 



V. CONCERNING THE EXPERIMENTAL CONDITIONS, 

 THE NATURE OF THE ORGANISMS FOUND 

 IN THE TUBES, THEIR CULTIVATION, AND 

 THEIR THERMAL DEATH-POINT . . .53 



VI. FURTHER EXPERIMENTS MADE IN 1910 . . 66 



VII. ADDITIONAL EXPERIMENTS MADE WITH PURE 

 COLLOIDAL SILICA PREPARED BY GRAHAM'S 

 METHOD ....... 78 



VIII. THE THERMAL DEATH-POINT OF SUCH ORGAN- 

 ISMS AS HAVE BEEN FOUND IN THE TUBES 86 



IX. THE RESULTS OF THE EXPERIMENTS NOW 

 RECORDED MUST BE CONSIDERED TO PROVE 

 THE DE Novo ORIGIN OF LIVING MATTER . 89 



X. THE FORMS ASSUMED BY NEW-BORN UNITS OF 



LIVING MATTER . . . . . . 100 







in 



39668 



