XIV ILLUSTRATIONS. 



36. McCrae's Method for making Collodion Capsules 106 



37. Cover-glass Preparation of Blood 100 



38. Sternberg Bulb no 



39. Micrococci of Various Forms 118 



40. Bacilli of Various Forms 119 



41. Spirilla of Various Forms 119 



42. Involution Forms 120 



43. Bacteria with Capsules .* 122 



44. Bacteria with Spores 122 



45. Bacteria Showing Flagella 124 



46. Fermentation-tube 131 



47. Sedgwick-Tucker Aerobioscope 136 



48. Diagram to Illustrate Side-chain Theory of Immunity 185 



49. Bacillus subtilis 226 



50. Spirilla from Swamp Water 228 



51. Spirilla from Swamp Water with Flagella 229 



52. Yeast Cells 23 1 



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



mucedo 232 



54. Staphylococcus pyogenes aureus in Pus 242 



55. Pure Culture 243 



56. Culture in Gelatin 245 



57. Streptococcus pyogenes, Pure Culture 247 



58. in Pus 248 



59. " Culture on Agar 249 



60. Micrococcus tetragenus in Pus 250 



61. lanceolatus (of Pneumonia) in Sputum 252 



62. lanceolatus (of Pneumonia) showing Capsules 253 



63. Diplococcus intracellularis meningitidis 257 



64. Gonococcus in Pus 259 



65. Bacillus pyocyaneus 263 



66. Bacillus of Bubonic Plague 265 



67. Bacillus aerogenes capsulatus 268 



68. Culture 269 



69. " of Tetanus 271 



70. " of Anthrax 273 



71. with Spores 274 



72. " Colony 275 



73. " Culture 275 



74. " showing Concave Ends 276 



75. " in the Liver 277 



76. " of Diphtheria 279 



77. Neisser's Stain 280 



