INDEX 



167 



Eggs, clean, 73 

 Epidemics of typhoid, 81 

 Essential oils as preservatives, 



72 



Excretions of bacteria, 18 

 Experiences of students, 119- 



124 



Experiments in hospitals, 100 

 with bacteria, 64 

 with dust, 7 

 with yeasts, 42 



Extracts from the Instruct- 

 or's Note Book, 117-125 



Favorable conditions for 



germs, 76 

 Fermentation, 114 



early theory of, no 



processes, 53 



products of, 115 

 Film-forming bacteria, 22 

 Filtered water, 85 

 Filters, porcelain, 84 

 Fission reproduction, 21 

 Flagella, bacteria with, 27 

 Food, covering, 104 



of bacteria, 20 

 Forms of bacteria, 1 7 

 Formation of pus, 90 

 Fungi, bacteria classed as, 23 



Gas produced by yst, 44 

 Gastric juices, effect 'on bac- 

 teria, 87 



Germ, definition of, 16 

 Germs, breeding ground ior, 77 

 disease, 75-86 



pathogenic, 66 

 resistance of body to, 86 

 Growth of bacteria, 22 

 of dust-gardens, 1 1 

 of mold, 33 

 of yeast, 40 



Harmful bacteria, 63 



preservatives, 69 

 Health, definition of, 88 

 History of bacteriology, 109- 



"3 

 Hydrophobia, 148 



Ice, 85 



Identifying disease germs, 113 



Immunity, 92, 134 



artificial, 136 



natural, 93 



Importance of bacteriology, 3 2 

 Infected material, burning, 1 16 

 Infection by oysters, 82 



method of, 78 



sources of, 86 

 Infectious diseases, 133 

 Ingredients of dust, 4 

 Inoculating the soil with bac- 

 teria, 52 



Intermittent sterilization, 65, 

 116 



June butter, 55 



flavor bacterium, 56 



Koch's theory, in 

 Laboratory study of bacteria, 



31 



Lactic acid, production of, 14 



