CONTENTS 9 



EXERCISE 10. Phagocytosis, 829. 



Experiment 30, Phagocytosis (macrophages), 829 Experiment 31, Phagocy- 

 tosis (microphages), 829 Experiment 32, Phagocytosis, 830. 



EXERCISE 11. Phagocytosis. Chemotaxis, 830. 



Experiment 33, Positive Chemotaxis, 830 Experiment 34, Negative Chemo- 

 taxis, 830. 



EXERCISE 12. Opsonins, 831. 



Experiment 35, Normal Opsonins, 831 Experiment 36, Immune Opsonin (Bac- 

 teriotropin), 832 Experiment 37, Hemopsonin, 832. 



EXERCISE 13. Opsonins (continued), 832. 



Experiment 38, Mechanism of Action of Opsonins, 832 Experiment 39, Specific- 

 ity of Opsonins, 833. 



EXERCISE 14. Opsonic Index, 834. 



Experiment 40, Determining the Opsonic Index, 834 Experiment 41, Quan- 

 titative Estimation of Bacteriotropins, 834. 



EXERCISE 15. Bacterial Vaccines, 834. 



Experiment 42, Preparation of Typhoid Vaccine, 834 Experiment 43, Prepara- 

 tion of Staphylococcus Vaccine, 835. 



EXERCISE 16. Antitoxins, 835. 



Experiment 44, Standardizing Diphtheria Antitoxin, 835 Experiment 45, 

 Standardizing Tetanus Antitoxin, 836. 



EXERCISE 17. Antitoxins (continued), 836. 



Experiment 46, Specificity of Antitoxins, 836 Experiment 47, Nature of the 

 Toxin-Antitoxin Reaction. Action of Anti-tetanolysin, 836 Experiment 48, 

 Antistaphylolysin, 837. 



EXERCISE 18. Ferments and Antiferments, 838. 



Experiment 49, Tryptic Ferment of Leukocytes, 838 Experiment 50, Testing 

 the Antitryptic Power of Blood-serum, 838. 



EXERCISE 19. Ferments (continued), 839.. 



Experiment 51, Abderhalden Sero-enzyme Reaction in Pregnancy, 839. 



EXERCISE 20. Agglutinins, 840. 



Experiment 52, Gruber-Widal Reaction in Typhoid Fever ("Wet" Method), 

 840 Experiment 53, Gruber-Widal Reaction in' Typhoid Fever ("Dry" 

 Method), 840. 



EXERCISE 21. Agglutinins (continued), 841. 



Experiment 54, Macroscopic Agglutination Reaction, 841 Experiment 55, 

 Macroscopic Agglutination Reaction (Kolle), 842 Experiment 56, Macro- 

 scopic Agglutination Reaction (Killed Cultures), 842. 



EXERCISE 22. Agglutinins (continued), 842. 



Experiment 57, Group Agglutination, 842 Experiment 58, Pro-agglutination 

 (Agglutinoids), 843 Experiment 59, The Absorption or Saturation Agglutina- 

 tion Reaction, 843. 



EXERCISE 23. Agglutinins (continued), 843. 



Experiment 60, Hemagglutinins, 843 Experiment 61, Blood Transfusion Tests, 

 844. 



EXERCISE 24. Precipitins, 844. 



Experiment 62, Titration of a Precipitin Serum, 844 Experiment 63, Titration 

 of a Precipitin Serum, 844 Experiment 64, Specificity of Precipitins, 844. 



EXERCISE 25. Precipitins, 845. 



Experiment 65, Forensic Blood Test, 845. 



EXERCISE 26. Precipitins, 846. 



Experiment 66, Lactoserums, 846 Experiment 67, Bacterial Precipitins, 846 

 Experiment 68, Noguchi Globulin Reaction, 846. 



EXERCISE 27. Amboceptors and Complements. Hemolysins, 847. 



Experiment 69, Non-specific Hemolysins, 847 Experiment 70, Serum Hemolysis 

 in vitro, 848 Experiment 71, Serum Hemolysis in vivo, 848. 



EXERCISE 28. Amboceptor and Complements. Hemolysins, 848. 



Experiment 72, Titration of a Hemolytic Amboceptor, 848 Experiment 73, 

 Quantitative Factors in Serum Hemolysis, 849. 



