xvi LIST OF ILLUSTRATIONS. 



FIG - PAGE 



32. Bougie inserted in rubber stopper . . . .82 



33. Muencke's modification of Chamberland's filter . -83 



34. Flask for filtering large quantities of fluid . . -83 



35. Tubes for demonstrating gas-formation by bacteria . 85 



36. Reichert's gas regulator . . . . .89 



37. Hearson's incubator for use at 37 C. . .90 



38. Cornet's forceps for holding cover-glasses . . 95 



39. Needle for manipulating paraffin sections . . 101 



40. Syphon wash-bottle . . . . .105 



41. Tubes used in testing agglutinating and sedimenting pro- 



perties of serum . . . . .119 



42. Test-tube and pipette for obtaining fluids containing bacteria 122 



43. Curved needle for intraperitoneal inoculations . .129 



44. Forms of fungi . . . . . 135 



45. Staphylococcus pyogenes aureus, young culture on agar. 



x 1000 ...... 166 



46. Two stab cultures of Staphylococcus pyogenes aureus in 



gelatine . . . . . .167 



47. Streptococcus pyogenes, young culture on agar. x 1000 . 168 



48. Stroke culture of the streptococcus pyogenes on sloped agar 169 



49. Micrococcus tetragenus. x 1000 . . 171 



50. Streptococci in acute suppuration. x 1000 . .179 



51. Minute focus of commencing suppuration of the brain. 



x 50 . . . . . . .181 



52. Secondary infection of a glomerulus of kidney by the Staphylo- 



coccus aureus. x 300 . . . .183 



53. Section of a vegetation in ulcerative endocarditis. x 600. 185 



54. Portion of film of gonorrhceal pus. x 1000 . .190 



55. Gonococci from a pure culture on blood agar. x 1000 . 192 



56. Film preparation of pneumonic sputum. x 1000 . . 208 



57. Stroke culture of Fraenkel's pneumococcus on agar . 210 



58. Fraenkel's pneumococcus from a pure culture on blood agar 



of twenty-four hours' duration. x 1000 . .211 



59. Stab culture of Friedlander's pneumobacillus . .212 



60. Friedlander's pneumobacillus from a young culture on agar. 



x 1000 . . . . . .212 



61. Capsulated pneumococci in blood taken from the heart of a 



rabbit. x 1000 . . . . .216 



62. Tubercle bacilli from a pure culture on glycerine agar. 



x 1000 ...... 228 



63. Tubercle bacilli in phthisical sputum. x 1000 . . 229 



64. Cultures of tubercle bacilli on glycerine agar . .231 



65. Tubercle bacilli in section of human lung in acute phthisis. 



x 1000 ...... 238 



66. .Tubercle bacilli in giant cells. x 1000 . . . 239 



67. Tubercle bacilli in urine. x 1000 . . 240 



