INDEX OF SUBJECTS 



841 



Relapsing fever spirochsete, pathogenic- 



ity of, in man, 608 

 symptoms of, 608 

 transmission of, 610 

 varieties of, 609 

 Reproduction of bacteria, 17 

 Resistance of, definition of, 189 

 Rhinoscleroma, bacillus of, 451 

 Rhizopoda. See Sarcodina 

 Ricin, experimentation with, 204 

 Ringworm, 643 

 Rodents, destruction of, by hydrocyanic 



gas, 92 

 Root tubercles, 55 



microorganism of nitrogen fixation 



in, 55 

 Roux's method of anaerobic cultivation 



of bacteria, 149 



Russell's double sugar agar for colon- 

 typhoid differentiation, 138 



SACCHAROMYCETES. See Yeasts and 



Yeast cells 



Salts in nutrition of bacteria, 28 

 Saprophytes, bacterial, 29, 30 



definition of, 182 

 Sarcina, 36 



Sarcodina, amebse, 723 

 Sarcophysematous bovis. See Bacillus 



of symptomatic anthrax 

 Sarcosporidia, 791 

 Scarlatina. See Scarlet fever 

 Scarlet fever, 676 



favorable influence of streptococcus 

 antisera in, 676 



streptococci present in, 676 



traced to milk, 704 

 Schaudinn and Hoffmann, discovery of 



Spirochaeta pallida by, 594 

 Schizomycetes, 36 

 Schizonta, 760 

 Schizotrypanum cruzi, 755 

 Schweineseuche, 553 

 Scorpion poison, antitoxin for, 199 

 "Sensitization" of antigen, 241 

 Septicemia, definition of, 184 



diagnosis of, by isolation of bacteria 

 from the blood, 178 



Septicemia, due to colon-bacillus infec- 

 tion, 394 

 hemorrhagic. See Hemorrhagic sep- 



ticemia 

 Serum media, 131 



Loeffler's, 131 

 Serum reactions, technique of, 250 



See also under individual tests 

 agglutination tests in, 251 

 antigen determined in, by comple- 

 ment fixation, 271 

 for typhoid fever, 271 



obtaining of material for, 271 

 test in, 272 

 bactericidal and bacteriolytic tests 



in, 255 



complement fixation in, for deter- 

 mination of antibodies, 262 

 for determination of antigen, 



271 



for proteid differentiation, 273 

 hemolytic tests in, 259 

 precipitin tests in, 253 

 proteid differentiation by comple- 

 ment fixation in, 273 

 substances necessary for, 273 

 test in, 274 

 Wassermann test in, 263 



modifications of, 268 

 "Serum sickness," 296 

 Serum water media for fermentation^ 



tests, 132 



Shick reaction, for determining pres- 

 ence of diphtheria antitoxin in blood, 

 526 

 Shiga, discovery of dysentery bacillus 



by, 435 

 Shiga's bacillus, 435 



cultural characteristics of, 436 

 morphology of, 435 

 Side-chain theory of toxin-antitoxin 



reaction, 212 

 chemical action in, 213 

 elements of molecules in, 213 

 atom group, 213 

 side chains or receptors, 213 

 over-production of receptors in, 214 

 Side chains, action of, in-Ehrlich's the- 



