XVI LIST OF ILLUSTRATIONS. 



FIG. r'^O''- 



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 (B.II.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 (Fliigge) . 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 (Israel) . 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) . 1!^7 



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



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



60. Lister's Flask (Becker) . 128 



61. Sternberg's Bulb (Becker) 128 



62. Aitken's Tube (Becker) 129 



63. Miquel'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 (Eoscoe 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 Eoll-culture (Frankland) 147 



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



77. Horizontal Micro-photographic Apparatus (Swift) 156 



