viii 



TABLE OF CONTENTS 



CHAPTER II. PHYSIOLOGY OF BACTERIA. Continued 



42. 



43. 

 44. 



45. 

 46. 



47. 

 48. 



49. 

 50. 



Comparative Efficiency of 



Dry and Moist Heat 70 



Effect of Desiccation..... 70 

 Effect of Chemicals on 



Bacteria 72 



Kelation to Oxygen 72 



Effect of Direct Sunlight.. 72 



Detection of Gas 74 



Quantitative Analysis of 



Gas 74 



Petection of Acids and Al- 

 kalies 76 



Quantitative Determina- 

 tion of Acids. . 76 



EXERCISE PAGE 



51. Detection of Nitrites in 



Cultures 76 



52. Detection of Ammonia... 78 



53. Detection of Sulphuretted 



Hydrogen . . 78 



54. Detection of Indol 78 



55. Determination of Chemical 



Enzyms in Cultures. ... 80 



56. Variation in Enzym Pro- 



duction 80 



57. Variation in Color Produc- 



tion. . , 80 



CHAPTER III. TAXONOMY. 



Points to be Observed in the 



Study of Bacteria 82 



Classification of Bacteria (Mi- 



gula) 89 



PAGE 



Bacteria Arranged in Classes 



and Groups 91 



CHAPTER IV. SYSTEMATIC STUDY OF REPRESENTATIVE NON PATHOGENIC 



BACTERIA. 



EXERCISE PAGE 



58. Preparation of Special 



Media 94 



59. Saprophilic Class 95 



60. Chromogenic Class 103 



EXERCISE PAGE 



62. Separation of Bacterial 



Coloring Matter 108 



63. Zymogenic Class 109 



64. Saprogenic Class 113 



65. Phosphorescent Class 121 



61. Variety of Pigments 107 



CHAPTER V. BACTERIOLOGICAL ANALYSIS. 



EXERCISE PAGE 



66. Comparative Analysis of 



Air 126 



67. Quantitative Determina- 



tion of Number of Bac- 

 teria in Air 126 



Water Analysis 128 



Estimation of Number of 

 Bacteria in Soil.. . 132 



68. 

 69. 



EXERCISE 



70. 



PAGE 



Quantitative Analysis of 

 Milk 132 



71. Efficiency of Pasteuriza- 



tion 132 



72. Testing Antiseptic Action 



of Chemicals 134 



73. Testing Disinfecting Ac- 



tion of Chemicals 136 



PAKT II. MEDICAL BACTEEIOLOGY. 

 CHAPTER VI. PATHOGENIC AEROBES. 



EXERCISE PAGE 



74. Preparation of Culture 



Media 138 



75. Erysipelas Group 141 



EXERCISE PAGE 



76. Pus Coccus Group 145 



77. Malta Fever Group 153 



78. Diplococcus Group 157 



