14 LIST OF II, LUSTRATIONS 



FIG. . PAGE 



38. Adrenal Gland of a Guinea-pig after Fatal Diphtheric Intoxication . . .Facing 114 



39. Ehrlich's Side-chain Theory. Formation of Antitoxins 150 



40. Theoretic Structure of a Molecule of Toxin and Toxoid 151 



41. Ehrlich's Side-chain Theory. Formation of Agglutinins and Precipitins . . . . 153 



42. Ehrlich's Side-chain Theory. Formation of Cytolysins (Bacteriolysins, 



Hemolysins, etc.) 155 



43. General Scheme of Antigens and Their Antibodies 163 



44. Phagocytosis (Macrophages) Facing 177 



45. Phagocytosis (Macrophages) Facing 177 



46. Positive Chemotaxis Facing 178 



47. Negative Chemotaxis Facing 182 



48. Capillary Pipet for Opsonic Index Determinations 196 



49. Mixing the Contents of a Capillary Pipet 197 



50. Method of Sealing a Capillary Pipet 198 



51. Method of Preparing a Blood Film 198 



52. Blood Films for Phagocytic Counts 199 



53. Tubercle Opsonic Index -. . Facing 200 



54. An Unsatisfactory Film for Phagocytic Count Facing 200 



55. A Satisfactory Film for Phagocytic Count Facing 200 



56. An Opsonic Index Chart 204 



57. Preparation of a Bacterial Vaccine 208 



58. A Shaking Apparatus 209 



59. Capillary Pipet for Counting Bacterial Vaccines 210 



60. A Satisfactory Preparation for Counting a Bacterial Vaccine Facing 211 



61. An Unsatisfactory Preparation for Counting a Bacterial Vaccine Facing 211 



62. Instrument for the Standardization of a Platinum Loop 212 



63. Hopkins' Tube for Standardizing a Bacterial Vaccine 213 



64A. A Stock Ampule of Vaccine (Large) n 214 



64B. Stock Bottle of Bacterial Vaccine 214 



65. A Small Vaccine Ampule 215 



66. Comer's Automatic Pipet 215 



67. Theoretic Formation of an Antitoxin 222 



68. A Flask of Diphtheria Culture 228 



69. A Large Toxin Filter 229 



70. Separation of Blood-serum Facing 231 



71. A Kitchens Syringe 233 



72. A Battery of Kitchens' Syringes 233 



73. A Dialysing Cylinder for the Abderhalden Ferment Test 254 



74. The Ninhydrin Reaction (Abderhalden Ferment Test) Facing 255 



75. Theoretic Formation of Agglutinins 267 



76. Theoretic Structure of Agglutinin and Agglutinoid 268 



77. Diagrammatic Illustration of the Action of Agglutinin and Agglutinoids . . . 269 



78. A Satisfactory Culture for the Microscopic Agglutination Reaction 280 



79. An Unsatisfactory Culture for the Microscopic Agglutination Reaction 280 



80. A Positive Agglutination (Widal) Reaction in Typhoid Fever 283 



81. Microscopic Agglutination Test with Dried Blood '. Facing 284 



82. Macroscopic Agglutination Reaction 285 



83. Macroscopic Agglutination Test. Pro-agglutination 286 



84. Agglutinoscope 287 



85. The Noguchi Butyric Acid Test for Globulins 301 



86. Hemin Crystals Facing 303 



