10 CONTENTS 



EXERCISE 22. Agglutinins (continued), 918. 



Experiment 57, Group Agglutination, 918 Experiment 58, Pro-agglutination 



(Agglutinoids), 919 Experiment 59, The Absorption or Saturation Agglutina- 

 tion Reaction, 919. 

 EXERCISE 23. Agglutinins (continued), 919. 



Experiment 60, Hemagglutinins, 919 Experiment 61, Blood Transfusion Tests, 



920. 

 EXERCISE 24. Precipitins, 920. 



Experiment 62, Titration of a Precipitin Serum, 920 Experiment 63, Titration 



of a Precipitin Serum, 920 Experiment 64, Specificity of Precipitins, 920. 

 EXERCISE 25. Precipitins, 921. 



Experiment 65, Forensic Blood Test, 921. 

 EXERCISE 26. Precipitins, 922. 



Experiment 66, Lactoserums, 922 Experiment 67, Bacterial Precipitins, 922 



Experiment 68, Noguchi Globulin Reaction, 922. 

 EXERCISE 27. Amboceptors and Complements. Hemolysins, 923. 



Experiment 69, Non-specific Hemolysins, 923 Experiment 70, The Hemolytic 



Influence of Acids and Alkalies, 924 Experiment 71, Serum Hemolysis in vitro, 



924 Experiment 72, Serum Hemolysis in vivo, 924. 

 EXERCISE 28. Amboceptor and Complements. Hemolysins, 925. 



Experiment 73, Titration of a Hemolytic Amboceptor, 925 Experiment 74, 



Quantitative Factors in Serum Hemolysis, 925. 

 EXERCISE 29. Amboceptors and Complements. Hemolysins, 926. 



Experiment 75, Role of Amboceptor and Complement in Hemolysis, 926 Ex- 

 periment 76, Specificity of Amboceptors, 926 Experiment 77, General Proper- 

 ties of Amboceptors, 927. 

 EXERCISE 30. Amboceptors and Complements. Hemolysins, 927. 



Experiment 78, Mechanism of Amboceptor Action, 927 Experiment 79, A 



Further Study of the Mechanism of Amboceptors, 928. 

 EXERCISE 31. Amboceptors and Complements. Hemolysins, 928. 



Experiment 80, Natural Hemolysins. Removal of Natural Hemolysins, 928. 

 EXERCISE 32. Amboceptors and Complements, 929. 



Experiment 81. Hemolytic Complement, 929 Experiment 82, Inactivation 



and Reactivation of Complement, 930 Experiment 83, General Properties of 



Complement, 930. 

 EXERCISE 33. Amboceptors and Complements, 931. 



Experiment 84, Titration of Hemolytic Complement, 931 Experiment 85, 



Phenomenon of Complement Fixation, 931. 

 EXERCISE 34. Antigens for the Wassermann Reaction, 932. 



Experiment 86, Preparation of Antigens for the Wassermann Reaction, 932. 

 EXERCISE 35. Antigens, 932. 



Experiment 87, Method of Titration of Antigens, 932. 

 EXERCISE 36. Wassermann Reaction, 933. 



Experiment 88, Anticomplementary Action of Serums, 933. 

 EXERCISE 37. Wassermann Reaction, 934. 



Experiment 89, Wassermann Reaction (First Method), 934. 

 EXERCISE 38. Wassermann Reaction, 934. 



Experiment 90, Wassermann Reaction (Second Method), 934. 

 EXERCISE 39. Wassermann Reaction, 935. 



Experiment 91, Wassermann Reaction (Third Method), 935. 

 EXERCISE 40. Wassermann Reaction, 935. 



Experiment 92, Wassermann Reaction (Fourth Method), 935. 

 EXERCISE 41. Noguchi Modification of the Wassermann Reaction, 935. 



Experiment 93, Titration of Antihuman Hemolysin, 935 Experiment 94, Tech- 



nic of the Noguchi Modification, 935. 

 EXERCISE 42. Wassermann and Noguchi Reactions, 936. 



Experiment 95, Comparison of Methods, 936. 

 EXERCISE 43. Gonococcus Complement-fixation Reaction, 936. 



Experiment 96. Titration of Gonococcus Antigen, 936. 



