XX CONTENTS 



Elic:itaii()n of Reachvhy by Way oi Genkrai. Circuiation 200 

 EHett ol Single lmra\cii()iis Injedioiis ol Badcrial Filtrates; 

 Ellecl ol Repeated liilraxeiious liijec lions ol Bacterial Filtrates. 



Tissue REAcrivrtY 10 Live BActERiA and Viruses Induced in 

 Internal Or(;ans by Intrava.scui.ar Injeciton or Live Bac- 

 lERiA 210 



Course of Induced Infecfions in Aniaiafs Previously Pre- 

 pared WITH Active Principles 212 



The Effect of Active Principles Upon Infecied Skin Sites .... 213 



REClAPiniLAIION 2ig 



Cliapler VIII 



REACTIVITY OF MALIGNANT NEOPLASMS TO ACTIVE 



PRINCIPLES OF THE PHENOMENON OF LOCAL 



SKIN REACTIVITY 



Introduction 222 



Effect of Active Principles of the Phenomenon Upon 



Tumors 225 



Positively Reacting Tmnors; Negatively Reacting Tumors. 



Effect of Spontaneous Infections on the Development of 

 Mouse Sarcoma 180 242 



Effect of Induced Infechions on Development of Mouse Sar- 

 coma 180 245 



Relation of Mortality to Hemorrhagic Necrosis and Regres- 

 sion of Tumors Elicited by Active Principles of the Phe- 

 nomenon 249 



Recapitulation 256 



Chapley IX 



REACTING POTENCY OF NON BACTERIAL 

 SUBSTANCES 



Reacting Potency of Mixtures of Animal Proteins avifh 



Homologous Antisera 258 



Basic Experiments. 



Reacting Potency of Complexes of Rabbit Seriim vvirn Anti- 

 Rabbit Horse and Guinea-Pig Sera 259 



Reacting Potency of Agglutinated Red Blood Cells 260 



