INDEX 



317 



Red milk, 252 



Reduction by bacteria, 29 



Relapsing fever, 217 



Removing excess of stain, 55 



Rennet curd cheese, 255 



Reproduction, 24 



Rhinoscleroma, 159 



Rideal-Walker standard for dis- 

 infectants, 265 



Ring- worm, 225 



Rolled cultures, 80 



Romanowsky's stain, 53 



Rontgen rays, influence of, on bac- 

 teria, 28 



Root bacillus, 99 



Rosalie acid solution, Dunham's, 



77 



Rotz-bacillus, 124 

 Rouget du pore, 194 

 Roux's double stain, 52 



method of cultivating anaerobic 

 bacteria, 84 



test-tube, 68 



SACCHAROMYCES albicans, 221 

 cerevisiae, 220 

 mycoderma, 221 

 niger, 221 

 rosaceus, 221 



Saccharomycetes, 220 



Salicylic acid, 264 



Salts of metals, 263, 264 



Sand-filter, Petri's, 233 



Saprophytes, 27 



Sarcina, 103 

 aurantica, 104 

 lutea, 103 

 ventriculi, 104 



Sarcodina, 197 



Schizogony, 199 



Schizomycetes, 21 



Schizophyceae, 21 



Schizophyta, 21 



Schweinerotlaufbacillus, 194 



Sedgwick's expanded tube for air- 

 examination, 233 



Sedgwick-Tucker method of col- 

 lecting bacteria from air, 233 



Sedimentation test in typhoid 

 fever, 142 



Septicemia, 33 



fowl, 193 



hemorrhagic, 190 

 bacteria of, 192 



mouse, 195 



sputum, micrococcus of, 147 

 Serum, antistreptococcic, 166 ' 



antitoxic, 39 



antituberculous, 122 



blood-, 69 

 coagulation of, 72 

 human, preparation of, 74 

 nutrient, preparation of, 72 

 preservation of, in liquid 



state, 74 

 sterilization of, 73 



cytolytic, 40 



precipitin, 40 



test, Wassermann, 42 

 Sewage bacteria, examination for, 

 240 



bacterial treatment of, 243 

 Sewer air, bacteria in, 235 

 Sexual cycle in mosquito, 201 

 Sheep, gangrenous mastitis of, 196 

 Shiga bacillus, 199 

 Side-chain theory of immunity, 



Ehrlich's, 36 

 Skin, bacteria on, 257 

 Sleeping sickness, 205, 207 

 Small-pox, 218 

 Smear culture, 78 

 Smegma bacillus, 123 

 Smith's fermentation tube, 81 

 Soap, 264 

 Soda lye, 263 

 Soil bacteria in, 232, 243 



examination of, 232, 243 



fertility, bacteria and, 244 

 Soluble toxins, 31 

 Soor, 222 



Spatula for lifting sections, 57 

 Specimens, drying, 54 

 Spirillum, 103 



aquatilis, 154 



berolinense, 154 



bonhoffii, 154 



cholerae, 148 

 allied varieties, 154 

 products, 152 



danubicum, 154 



