230 Index 



PAGE 



Safeguards of the body 141 



Scarlatina . 135, 180, 209 



Scarlet fever . . 135, 180, 209 



Scavenger cells .......... 147 



Septicaemia .......... 80 



Sewage in water 187, 192 



Silos, bacteria in . . . . . . . . . .24 



Small-pox 135, 169 



Sneeze plate culture ......... 90 



Sneezing, dangers of ...... 90, 117, 120, 209 



Soil, bacteria in . . . . . . . . . .23 



Spitters, uncouth . . . . . . . . .210 



Spontaneous generation . , . . . . . .22 



Spores of bacteria ......... 19 



Spray from sneezing ......... 90 



Sputum, dangers of 87 



" disposal of ......... 95 



Squirrels and plague ......... 135 



Staphylococcus . . . . . . . . 42, 72, 81 



Stegomyia ........... 139 



Streptococcus 41, 72, 81, 121 



Suppuration ......... 76, 80 



Surgery, aseptic 74 



Syphilis 132 



Tetanus . . . . . . . . . . .127 



antitoxin 130, 163 



" bacillus of 128 



Theatres, dust in 203 



Toxaemia . . . . . . . . . .80 



Toxines 78, 159 



Tubercle bacilli 84 



' cultures of . . . . . .8-7 



1 effect of sunlight on ...... 90 



" in cattle 93 



" " " dust 88 



" milk ........ 94 



' limits of risks from ...... 92 



" sources of 86 



" spread of 89, 90 



" in coughing 90 



" " sneezing ...... 90 



Tubercles 84 



