XVI LIST OF ILLUSTRATIONS. 



FIG. TAGK 



31. Hot-water Filtering Apparatus (JIuenoke) 102 



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

 38. Steam Steriliser (Baird and Tatlook) . 103 



34. Incubator (Muenoke) . . 104 



35. Method of Inoculating a Test-tube containing Sterile Nutrient Jell}' 



(E.M.C.) . . 10.5 



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



37. Iron box for Glass Plates (Muenoke) . 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 luspissator (Baird and Tatlock) 115 

 46. Box for Sterilising Instruments (Becker) IIH 



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 o£ forming a Moist Cell (Schafer) . 122 



50. Warm Stage (Schafer) . . 123 



51. Warm Stage shown in Operation (SchSfer) 123 



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



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



54. Israel's ^Varming 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) 12.7 



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 (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 (Muenoke) . . 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. Bsmarch's EoU-oulture (Frankland) , 147 



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



77. Horizontal Micro-photographic Apparatus (Swift) . 156 



