xvi LIST OF ILLUSTRATIONS. 



FIG. PAGE 



31. Hot-water Filtering Apparatus (Muencke) . 102 



32. Method of making a Folded Filter (E.M.C.) . . 103 



33. Steam Steriliser (Baird and Tatlock) . . 103 



34. Incubator (Muencke) . 104 



35. Method of Inoculating a Test-tube containing Sterile Nutrient Jelly 



(E.M.C.) .... .105 



36. Levelling Apparatus (E.M.C) . . 107 



37. Iron box for Glass Plates (Muencke) . . 108 



38. Method of Inoculating Test-tubes in the Preparation of Plate-cultiva- 



tions (E.M.C.) . 108 



39. Damp-chamber containing Plate-cultivations (E.M.C) . .110 



40. Pasteur's Large Incubator (Becker) . .111 



41. Petri's Dish (Becker) . . .112 



42. Glass Benches and Slides (Becker) . .112 



43. Koch's Serum Steriliser (Muencke) ... . 114 



44. Hueppe's Serum Inspissator (Baird and Tatlock) . 115 



45. Box for Sterilising Instruments (Becker) . 116 



46. Damp Chamber for Potato-cultivations (E.M.C.) . . . 117 



47. Apparatus for Sterilisation by Steam under pressure (Baird and 



Tatlock) ..'... .119 



48. Drop Cultivation (Fltigge) . . . . . .121 



49. Simple Method of forming a Moist Cell (Schafer) . . .122 



50. Warm Stage (Schafer) ..... .123 



51. Warm Stage shown in Operation (Schafer) . . 123 



52. Warming Apparatus in Operation (Isiael) .... 124 



53. Section of Warming Apparatus and Drop-culture Slide (Israel) . 125 



54. Israel's Warming Apparatus .... 125 



55. Gas Chamber in use with Apparatus lor generating Carbonic Acid 



(Schafer) 126 



56. Gas Chamber (Schafer) . . . . . . .126 



57. Moist Cell adapted for Transmission of Electricity (Schafer) . . 127 



58. Apparatus arranged for Transmitting Electricity (Schafer) . . 127 



59. Slide with Gold-leaf Electrodes (Schafer) . , 128 



60. Lister's Flask (Becker) . . . . 128 



61. Sternbergs Bulb (Becker) . . 128 



62. Aitken's Tube (Becker) . . .129 



63. Miguel's Bulb (Becker) .... 129 



64. Pasteur's Flask (Baird and Tatlock) . . .130 



65. Pasteur's Double Tube (Baird and Tatlock) . .130 



66. Frankel's Anaerobic Tube-culture (Frankland) . . 131 



67. Anaerobic Culture Tube (Liborius) . . . .132 



68. Apparatus for Anaerobic Cultures (Roscoe and Lunt) . . 133 



69. Koch's Syringe (Baird and Tatlock) . . 135 



70. Syringe with Asbestos Plug (Baird and Tatlock) . .135 



71. Hesse's Apparatus (Muencke) ...... 142 



72. Sedgwick and Tucker's Tube (Baird and Tatlock) . . . 143 



73. Pouchet's Aeroscope (Hamilton) ..... 143 



74. Apparatus for Estimating the number '_ Colonies in a Plate-cultiva- 



tion (Muencke) . . . . . . . 146 



75. Esmarch's Roll-culture (Frankland) ..... 147 



76. Apparatus for Counting Colonies in a Roll-culture (Becker) . . 148 



77. Horizontal Micro-photographic Apparatus (Swift) . . . 15(5 



