Xvi LIST OF ILLUSTRATIONS. 



FK;. 



A(,K 



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 (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 ior generating Carbonic Acid 



(Schafer) . . ... 126 



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

 ">7. Moist Cell adapted for Transmission of Electricity (Schafer) . .127 

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

 r><). Slide with Gold-leaf Electrodes (Schafer) . . . . " 128 

 tin. List f-r's Flask (Becker) . .128 

 r,l. Sternberg's Bulb (Becker) . . 128 

 (\-2. Aitken's Tube (Becker) . . . 129 

 I',:;. Miquel's Bulb (Becker) . 129 



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



65. Pasii-ur's Double Tube (Baird and Tatlock) . . 130 



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



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



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

 <;'.. Korir.< Swinge (Baird and Tatlock) . . . 135 

 7(>. 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) ....... 14(5 



7.". K>ni;i)-cli's Roll-culture (Frankland) . . . 147 



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



77. Horizontal Micro-photographic Apparatus (Swift) . . 150 



