170 



HO USEHOLD BA CTERIOLOGY 



Terms, summary of, 114 



Tetanus, 80 



Theories of vital resistance, 



88 



Time for dusting, 100 

 Toxins, 93 



Typhoid, epidemic of, 81 

 infection by milk, 81 



Useful bacteria, 47 



Vaccination, 94, 145 

 opposition to, 147 

 Vinegar, 60 

 Vital resistance, theories of, 87 



Wandering cells, 88 



Washing dusters, 104 

 Waste of nitrogen, 51 

 Water, filtered, 85 



polluting of, 83 

 Work of bacteria, 47-54 



of leucocytes, 88 



of molds, 36 



of Pasteur, 1 1 1 



Yeast, 39 



compressed, 44 

 generating carbon dioxide, 



43 

 Yeasts, effect of cold on, 42 



experiments with, 42 

 Zooglea, 22 



