CONTENTS 



xv 



CHAPTER VII 



PAGE 



A Lecture on Life (1909) 216 



CHAPTER VIII 



On Habits, Symptoms, and Disease (1911) .... 235 



CHAPTER IX 



Parenteral Digestion and Immunity (1914) . . . 250 



PART III 

 ON GROWTH AND OVERGROWTH 



CHAPTER I 



On Growth and Overgrowth, and on the Relationship 

 between Cell Differentiation and Proliferative 

 Capacity (1900) 263 



CHAPTER II 



On the Causation of Cancerous and other New Growths 



(1901) 276 



CHAPTER III 



On the Classification of Tumours (1902) .... 305 



CHAPTER IV 



Syncytioma (Deciduoma) Malignum : its Bearing upon the 



Essential Nature of Malignancy (1902) . . . 326 



CHAPTER V 



Unipotentiality, Pluripotentiality, and Totipotentiality 

 of Cells : a Note upon the Classification of Tumours 

 (1907) 334 



