340 



GENERAL INDEX 



Antagonistic microorganisms (coni.) 

 production of antibiotic substances 

 (cont.) 

 measurement of activity of sub- 

 stances, 66- J J 

 measurement of bactericidal action 



of substances, 77-78 

 measurement of in vivo activity of 



substances, 78 

 methods of growing organisms, 

 64-66 

 utilization for disease control, 223- 



226 

 See also Actlnomycetes; Animals, mi- 

 croscopic; Bacteria; Fungi 

 Antagonistic substance, defined, 271 

 Anthrax, 93, lOO 



survival of organism in soil, 18, 28, 



96 

 treatment, 221, 222, 223 

 use of organism in treating diseases 

 in man, 224 

 Antibacterial action, inhibition of, 197- 



199 

 Antibiosis, 38-41, 271 

 Antibiotic, defined, 271 

 Antibiotic spectrum, defined, 271 

 Antibiotic substances 



as means of differentiation of bac- 

 teria, 219-220 

 chemical nature. See Chemical na- 

 ture of antibiotic substances 

 classification, i 56-1 6 1 

 compared with chemical antiseptics, 



189-195 

 defined, 271 

 Inhibition, 218-219 

 mode of action, 67, 189-199, 212- 



217, 267, 268 

 produced by actlnomycetes, 54, 114- 



121, 171-175 

 produced by bacteria, 161-171 

 produced by fungi, 175-185 

 produced by yeasts, 63, 185-186, 



215 

 production, 64-66 

 properties, 1 89-1 90 

 structural formulae, 164 

 See also name of sfecific substance 

 Anti-inhibitors, 198, 271 



Antiluminescent test for measuring anti- 

 biotic activity, 76, 77 



Antiseptic snuff, penicillin in, 233 



Antiseptics, 189-195, 261 



Antivirus, 224 



Ants, fungi antagonistic to, 249 



Aromatic oils, as bacteriostatic agents, 

 165 



Ascaris, 27 



Ascorbic acid, effect on actinomycin, 



219 



Aspergillic acid, 270 



antiluminescent activity, 77 

 chemical nature, 53, 157, 160, 181 

 effect on bacteria, 77, 125, 131 

 in experimental infection with CI. 



ferfringens, 230 

 toxicity, 161 



Aspergillin, 65, 157, 181 



Assay value, 74 



Associative interrelationships among mi- 

 croorganisms, 42-45 



Autoantibiosis, 41 



Autolysis, 2 1 2 



Autophage, 96 



Autotoxins, 53 



Bacillus Tnesentericus filtrate, bacteri- 

 cidal action of, 241 

 Bacillus simplex izctor, 157, 160, 1 70, 



270 

 Bacteria 



aerobic and anaerobic, 9, 99-1 01 

 agents destructive to, 165, 207-213, 

 215-217 

 actlnomycetes, 106, 108, 1 1 1- 



113, 120 

 insects, 1 49-1 50 

 fungi, 124-135 

 maggots, 151 

 protozoa, 23, 143-146 

 substance found in milk, 188 

 substance produced by yeast, 215 

 ticks, 149-150 

 as antagonists, 80-101 



against agents producing plant dis- 

 eases, 138 

 against bacteria, 82-87, 88, 89-90 



