Plate YII. — Qt'alitative "One Tube'' Bacterial Complement Fixation Com- 

 pleted Test. 



Tube 1. Positive serum control (antibodies known to be present). 

 2. Anticomplementary control on positive serum. 

 ."5. Negative serum control (antibodies known to be absent). 



4. Antieomplementarv control on negative serum. 



5. Patient's serum (the presence or al)senci> of antibodies 



by tliis tube). 

 (■). Anticomplementary control on patient 's seiuin. 

 7. Control on hemolytic system. 



S. Control to determine if amboceptor is hemolytic. 

 9. Antigen control (to determine if antigen is hciiiolytic). 

 .10. Control to determine if saline is hemolytic 



to 1)0 dcteiniincd 



