xii LIST OF ILLUSTRATIONS. 



FIG. ""^^^ 



35. Esmarch's Roll-tube 99 



36. Mouse-holder ^°^ 



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 ^°° 



40. Sternberg Bulb • i°9 



41. Micrococci of Various Forms .110 



42. Bacilli of Various Forms . ^^9 



43. Spirilla of Various Forms . i^9 



44. Involution Forms ■ ^^° 



45. Bacteria with Capsules . ^^^ 



46. Bacteria with Spores 1^3 



47. Bacteria Showing Flagella 124 



48. Fermentation-tube .. .. . . • • •■■132 



49. Sedgwick Tucker Aerobioscope i3° 



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 ... . . . . 22° 



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 . . . • • 22s 



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 



