212 



INDEX 



Rhizobaceae, 92 

 Rhizobium, 170, 176, 178-81 



— leguminosarum, 170, 179 



— trifolium, 179 

 Riboflavin, 32, 103, 112, 116 

 Riboflavin-phosphate, 33, 41 

 Rickettsia, 10 



Root nodules, 177-81 

 Rough variation, 60-1 

 Rubber, sj'nthetic, 138 



SA CCHA ROM YCE8 cerevisiae, 



140 

 Salicin, 18, 22 

 Salmonella, 21 

 Saprophytes, 186 

 Scavenging action, 4, 186 

 Schizomycetes, 15 

 Serine, 49, 98, 164-5, 173, 174 



— dehydrase, 49, 104, 164-5, 174 

 Serological characteristics, 14, 23 

 Sewage purification, 184-5 

 Shigella, 21, 95 



Shock, 169 



Sihcic acid gel, 84, 182 



Shmes, 119 



Soil fertihsation, 90-2, 176-81 



— organisms, 19, 20, 75, 84-7, 106, 



176 

 Solid media, 84, 182 

 Sorbitol, 150 

 Sorbose, 150 



Species, 18-21, 58, 157, 158 

 Specificity, enzymes, 25-8, 36, 



49-51, 161 



— immunological, 119, 120-2 

 Spores, 11, 17, 22, 59, 190 

 Staining reactions, 12 

 Staphylococcus, 20, 30, 95, 99, 171 



— aureus, 13, 20, 22, 45, 63, 101, 



103, 107, 108, 109, 117 

 Starch, 143 



Stationary growth phases, 75 

 Stickland reaction, 155, 165-7 

 Strains, 21 

 Strepogenin, 105 

 Streptidine, 200 

 Streptococci, 15, 17, 18, 79, 95, 99, 



101, 123, 171, 174 

 Streptococcus faecalis, 20, 45, 95 



Streptococcus haemolyticus, 14, 20, 

 22, 106, 108 



— lactis, 20, 112 

 Streptomyces, 199, 201 

 Streptomycin, 63, 199 

 Subtilin, 200 



Succinic acid, 25, 38, 134-6, 163 



— dehydrogenase, 25, 74, 134-6, 



153, 163 

 Sucrose, 64, 119-21 

 Sulphate, 20, 97 

 Sulphonamides, 34, 38, 63, 103, 



105, 112-15, 199, 201-2 

 Sulphur, 4, 85, 86 



— bacteria, 86-7 

 Sulphuric acid, 4, 85, 86 

 Supersonic vibration, 30 

 Sympatheticomimetic drugs, 169 



TEMPERATURE, growth, 74 



Therapv, 196-203 



ThermolabiHty, 25 



Thiamin, 101, 103, 112, 116 



Thiamindiphosphate, 33, 53, 151 



Thiobacillus thio-oxidans, 19, 85 



Thiorhodaceae, 86 



Thymine, 105 



Toluene, 29 



Toxins, description, 188 



— CI. welchii, 189-91 



— nature of, 195-6 

 Toxoid, 197 



Transaminase, 26, 33, 93-5, 102, 180 

 Transforming principle, 60 

 Tribes, 17 



Triosephosphate, 124-7, 133 

 Triphenylmethane dyes, 12, 203 

 Trypsin, 51 



Tryptophan breakdown, 68, 166, 

 168 



— synthesis, 62, 97, 98 

 Tubercle, 14, 199 



Type specific polysaccharides, 120 

 Typhoid organisrn, 22, 99, 107, 108 

 Tvramine, 168-9, 174 

 Tyrocidin, 200 

 Tyrosine, 51 



— decarboxylase, 54, 79, 102, 



168-70 

 Tyrothricin, 3, 200 



