INDEX 



193 



Scarlet fever and antistrepto- 

 coccus serum, 110 

 quarantine in, 61 

 virus of, 122 



Schick reaction, 100 



Serum therapy, 76 



Skin as protection against bac- 

 teria, 66 



Sleeping sickness, 133 



Small-pox, 124 

 quarantine in, 62 



Smear preparations, importance 

 of, 170 



Snuffles in syphihs, 120 



Soap as disinfectant, 41 



Soor, 185 



Sour milk, bacteriology of, 140 



Spinal fluid, collection of, for bac- 

 teriologic examination, 173 



Spirilla, definition of, 15 



Spirillum of cholera, 88 



Spores, character of, 16 



Sputum, collection of, for exam- 

 ination, 105, 170 

 from pneumonia patients, 

 171 



Squirrels in spread of plague, 179 



Staining of bacteria, 25 



Staphylococcus, definition of, 15 

 pyogenes. 111 



Steam, effect of, on bacteria, 44 

 for destroying lice, 169 

 for disinfection, 46 

 for sterilization, 44, 157 



Stegomyia in relation to yellow 

 fever, 132 



Sterilization by heat, 43 

 by steam, 46, 157 

 of instruments, etc., 155 

 with chemicals, 161 



Stitch abscess, 112 



Stools, collection of, 172 

 13 



Stools, disinfection of, 38, 39 



Streptococci in milk, 138 



Streptococcus, definition of, 15 

 hemolyzing, 109 

 infections, serum or vaccines 



in, 79 

 pyogenes, 108 



Sulphur for fumigation, 40, 166 



Sunlight, influence of, on bac- 

 teria, 19 



Swelled head, 145 



Syphihs, bacteriology of, 119 

 Wassermann test in, 121 



Tapeworms, 152 



Temperature, influence of, on 



growth of bacteria, 19 

 Terminal fumigation, 57 

 Tetanus antitoxin, 103 



bacillus, 101 



bacteriology of, 101 



serum treatment, 78 



toxin, 102 

 Tetrachlorethane for destroying 



lice, 169 

 Tetrads, definition of, 16 

 Throat smears, collection of, for 



examination, 97, 171 

 Thrush, 185 

 Toxin of diphtheria, 98 

 Transmission of infectious dis- 

 eases, 55 

 Trench fever, 127, 182 



transmission by lice, 58, 184 

 virus of, 127, 182 

 Treponema pallida in syphihs, 



119 

 Trichina, 152 



Trichoi)hyton tonsurans, 185 

 Tricresol, effect of, on bacteria, 39 

 Triple vaccine, 85 

 Trypanosomiasis, 133 



