Table ix 



TITRATION OF PHENOMENON-PRODUCING POTENCY OF BACTERIAL 



FILTRATES 



Titration of Reacting Factors 



Group c-i ■ r> T ■ ■ 



^ ciiiin-rreparatorj Injection 



Material 



Dose* 



Provocative Injection 



Material 



Dose 



Re- 

 sults 



Mean 

 concentra- 

 tion of 

 reacting 



units 

 per I c.c. 



T. 2041 Mg. 44B. 



u u 



T. 2069 B. TvTl 

 T. 2006 B. enteritidis 



Undiluted 



T. 2041 Mg. 44B. 

 T. 2o6g B. TyTL 

 T. 2006 B. enteritidis 



Dilution 

 3000 

 4000 

 900 

 1 100 

 500 

 700 



2/1 

 0/3 

 2/1 

 03 



I /2 

 0/3 



3500 



1000 



600 



* 0.25 c.c. was injected intradermally. 

 Str. Hem. = Streptococcus Hernolyticus. 



Mg. 446.= Meningococcus Group III. 

 B. TyTL = 5. typhosus. Strain Tl. 



