Index 229 



PAGE 



Micrococcus 41 



Milk, blue Si 



" certified .......... 181 



" culture medium ......... 36 



" flies in ... 213 



" infection by 179 



" pasteurization of 94 



"red Si 



" tubercle bacilli in ........ 94 



" typhoid bacilli in ........ 106 



Mortality in United States 156 



Mosquito and malaria . . . . . . . . 137 



" yellow fever 139 



Mumps ........... 140 



Musca domestica ......... 214 



Muscle cells IO 



Nitrogen, bacteria and ........ 55 



Nodule bacteria . . . . . - . . . .58 



Northrup 118 



Olynthus 6 



Opsonins ........... 167 



Oxygen, bacterial lovers of . . . . . . . .46 



Oysters, typhoid bacilli in ........ 106 



Pasteur 170 



Pasteurization 181 



Phagocytes .......... 148 



Plague 133, 134, 164 



Plasmodium malariae ......... 137 



Pneumonia 115, 116 



" fresh air in . . . . . . . ri8 



Poisons, bacterial, in body ....... 146, 151 



disposal of, by body ....... 144 



Potatoes as culture media . . . . . . .31 



Prevention of disease . . . . . . . . .178 



Pus 78 



Putrefaction, bacteria in 21 



Rabies, see Hydrophobia. 



Rats and plague 135 



