XVI CONTENTS 



Active Principi.ks oi H. Coi.i 37 



Active Princiimfs of B. Friedi.ander 38 



Active Princii'ees of B. Dysenteric. 38 



AcnvF Principles of B. Prodkwosus 39 



Active Principles of B. Melitensis and B. Abortus 40 



Active Principles of Various Members of Hemorrhagic Sep- 

 ticemia Group 40 



Active Principles of Various Members of Hemogi.obinophii.ic 



Group 42 



Active Principles of Vibrio CHoi.ERyE 44 



Active Principles of Staphylococcus 45 



Active Principles of Streptococcus 45 



Reactions with Live Cultures of Styel^tococcus Hcniolxiicus 

 Scarlotinae: Reactions with Toluene-killed Cultures: Super- 

 natant Fluid ot Centrituged Cultures and Filtrates ot Cidtures 

 of SirclJlococcus Hemolyti( us S( (i)l(itin(ie; Reactions with Mis- 

 cellaneotis Strains of Styel)t()C()C( us Hcmolyticus; Reactions 

 with Indifferent and Green-Producing Streptococci; Reactions 

 with Streptococcus S( holl )n iiller. 



Active Principles of Pneumcjcoccus 50 



Active Principles of B. Tuberculosis 52 



Reactions with Products of B. tulx'K ulosis in Combination 

 with Heterologous Filtrates of Ascertained Phenomenon- 

 producing Potency. 



Active Principles of Anaerobic Gram-Negative Bacilli Iso- 

 lated from Chronic Lung Abscesses 56 



Active Principles of Yeasts 57 



Active Principles of Ascaris Lumbricoidis 57 



Active Principles of Ricin 58 



Active Principles of Diphtheria Toxin 58 



Recapitulation 60 



Chapter III 



PHYSICO CHEMICAL PROPERTIES OF THE ACTIVE 



PRINCIPLES OF THE PHENOMENON OF LOCAL 



SKIN REACTIVITY 



The Effec:t of Heat Upon the Active Principles 61 



The Effect of Different Hydrogen-ion Concentrations Upon 

 Active Principles 63 



