LIST OF ILLUSTRATIONS AND CHARTS. 



FIG. PAGE. 



1. A room in the laboratory of the Royal Institute for Infectious Diseases 



(Berlin) 7 



2. Standard for measuring the size of platinum loops (Czaplewski) 8 



3. Intravenous inoculation (after Uhlenhuth) 9 



4. Intraperitoneal inoculation (after Uhlenhuth) n 



5. Removal of peritoneal exudate in Friedberger's position (original) 12 



6. Veno-puncture (original) 13 



7. Wet-cup method for obtaining blood (original) 14 



8. Test-tube for preservation of serum (original) 15 



9. Pukal filter 16 



10. Filtration through pukal filter 16 



11. Reichel filter 17 



12. Lilliputian filter 17 



13. V. Pirquet's tuberculin test (original) 48 



14. Ophthalmodiagnosticum for tuberculosis (original) 49 



15-16. Diagram for the complement fixation reaction 141 



17. Diagram for the complement fixation in syphilis 151 



18-20. Technique for the determination of the opsonic index according to Wright . . 181 



21-22. Technique for the determination of the opsonic index according to Wright . . 182 



23-24. Technique for the determination of the opsonic index according to Wright . . 183 

 25-26. Technique for the determination of the opsonic index according to 



Wright 184-185 



27. Phagocytosis of tubercle bacilli 186 



CHART 



1. Example of a diagnostic tuberculin reaction . .- 46 



2. Example of hypersusceptibility by diminution in the tuberculin dose ... 60 



3. Marked increase of weight in a tuberculous individual in spite of continued 



fever 62 



4. Treatment with S. B. E., almost without reaction. Immunization against 



B. E 65 



5. Opsonic curve after a small dose of staphylococcus vaccine 178 



6. Opsonic curve during treatment with new tuberculin 179 



7. Increase in the opsonic index for gonococci by Bier's hyperemia 180 



8. Auto-inoculation with tuberculin after physical examination and massage. . 180 



xill 



