xviii LIST OF ILLUSTRATIONS 



FIG. PAGE 



33. Chamberland's bougie with lamp funnel . . .71 



34. Bougie inserted through rubber stopper . . .71 



35. Muencke's modification of Chamberland's filter . . 72 



36. Flask fitted with porcelain bougie for filtering large quantities 



of fluid . . . . . . .73 



37. Flask for filtering small quantities of fluid . 73 



38. Tubes for demonstrating gas-formation by bacteria . . 76 



39. Geryk air-pump for drying in vacuo . . . ' .79 



40. Reichert's gas regulator . . . . .80 



41. Hearson's incubator for use at 37 C. . . . . 81 



42. Cornet's forceps for holding cover-glasses . . .87 



43. Needle with square of paper on end for manipulating paraffin 



sections ....... 92 



44. Syphon wash-bottle for distilled water . . .96 



45. Wright's 5 c.mm. pipette . . . . .108 



46. Tubes used in testing agglutinating and sedimenting properties 



of serum ....... 110 



47. Wright's blood-capsule . . . . .114 



48. Test-tube and pipette arranged for obtaining fluids containing 



bacteria ....... 116 



49. Hollow needle for intraperitoneal inoculations . . 121 



50. Hesse's tube . ..... 127 



51. Petri's sand filter . . . . . .128 



52. Staphylococcus pyogenes aureus, young culture on agar. 



xlOOO ....... 175 



53. Two stab cultures of staphylococcus pyogenes aureus in gelatin 175 



54. Streptococcus pyogenes, young culture on agar. x 1000 . 176 



55. Culture of the streptococcus pyogenes on an agar plate . 177 



56. Bacillus pyocyaneus ; young culture on agar. x 1000 . 177 



57. Micrococcus tetragenus. x 1000 . . . .181 



58. Streptococci in acute suppuration, x 1000 . . . 184 



59. Minute focus of commencing suppuration in brain, x 50 . 186 



60. Secondary infection of a glomerulus of kidney by the staphylo- 



coccus aureus. x300 . . . . .187 



61. Section of a vegetation in ulcerative endocarditis, x 600 . 189 



62. Film preparation from a case of acute conjunctivitis, showing 



the Koch- Weeks bacilli, x 1000 . . . .192 



63. Film preparation of conjunctival secretion showing the diplo- 



bacillus of conjunctivitis, x 1000 . . . .192 



64. Film preparation of pneumonic sputum, showing numerous 



pneumococci (Fraenkel's). x 1000 . . . .199 



65. Friedlander's pneumobacillus, from exudate in a case of 



pneumonia. x 1000 ... . 200 



66. Fraenkel's pneumococcus in serous exudation. x 1000 . 200 



67. Stroke culture of Fraenkel's pneumococcus on blood agar . 201 



