xii LIST OF ILLUSTRATIONS. 



FIG. PAGE 



35. Esmarch's Roll-tube 99 



36. Mouse-holder i 2 



37. Apparatus for the Subcutaneous Insertion of Solid Substances ... 103 



38. McCrae's Method for Making Collodion Capsules 106 



39. Cover-glass Preparation of Blood 108 



40. Sternberg Bulb 109 



41. Micrococci of Various Forms 118 



42. Bacilli of Various Forms 119 



43. Spirilla of Various Forms 119 



44. Involution Forms 120 



45. Bacteria with Capsules 122 



46. Bacteria with Spores 123 



47. Bacteria Showing Flagella 124 



48. Fermentation-tube 132 



49. Sedg wick- Tucker Aerobioscope 138 



50. Receptors of the First Order Uniting with Toxin 219 



51. Receptors of the Second Order and of Some Substance Uniting with 



One of Them 220 



52. Receptors of the Third Order and of Some Substance Uniting with 



One of Them 222 



53. "Spectrum" of Theoretically Fresh Crude Toxin 224 



54. " Spectrum " of Very Fresh Crude Toxin 225 



55. " Spectrum-" of Crude Toxin as it is Supposed Always Practically to 



Occur 225 



56. Mechanism of Bacteriolysis 230 



57. Diversion of Complement in Undiluted Immune Serum 233 



58. Partial Bacteriolysis, etc 234 



59. Bacillus subtilis 272 



60. Spirilla from Swamp Water 275 



61. Spirilla from Swamp Water with Flagella 276 



62. Yeast Cells 278 



63. Penicillium glaucum, Oidium lactis, Aspergillus glaucus, Mucor 



mucedo 279 



64. Staphylococcus pyogenes aureus in Pus 289 



65. Staphylococcus pyogenes aureus in Pure Culture 291 



66. Staphylococcus pyogenes aureus in Culture in Gelatin 299 



67. Streptococcus pyogenes, Pure Culture 296 



68. Streptococcus pyogenes in Pus 297 



69. Streptococcus pyogenes Culture on Agar 298 



70. Micrococcus tetragenus in Pus 299 



"71. Micrococcus lanceolatus (of Pneumonia) in Sputum 304 



72. Micrococcus lanceolatus (of Pneumonia) Showing Capsules .... 305 



73. Diplococcus intracellularis meningitidis 309 



