344 



GENERAL INDEX 



Gramicidin (cont.) 



eflfect on bacteria, 77, 192, 195, 199- 

 202, 206, 211, 216 

 by species, 70, 203 

 inhibition of, 198, 218-219 

 mode of action, 196, 216 

 therapeutic value, 239, 241-243 

 toxicity, 239, 241, 245 

 Gramidinic acid, 77 

 Gram stain and sensitivity to antibiotic 

 substances, 115, 157-159, 191, 

 195 



Helvolic acid, 133, 158, 184, 245, 270 

 Hemipyocyanin, 53, 78, 141, 160, 162, 



190 

 Hemolysin production method of meas- 

 uring antibiotic activity, 76 

 Hemolytic action. See Blood cells, 



hemolysis of 

 Hetero-antagonism, 48 

 Heterotrophic bacteria in manure, 22 

 Human and animal wastes, 19-37 

 destruction of microorganisms, 27 

 garbage, 26 



manure and fecal residues, 20-25 

 composition and decomposition, 



23-25 

 microbial population, 20-23, 84 

 sewage, 25-26 

 survival of pathogens, 27-36 

 Humic acids, 4 

 Humus compounds, effect on actino- 



mycin, 219 

 a-Hydroxyphenazine, 162 



Implantation method of testing antago- 

 nistic action, 62 



Inactivator, nontoxic, defined, 271 



Inactivators of viruses, 152-153 



Indirect antagonism, 47, 49 



Infections, wound. See Wound infec- 

 tions 



Influenza organism, 30, 81, 153 



Inhibins, 143 



Inhibition 



of antibacterial action, 197-199 

 of antibiotic action, 218-219 



Inhibitive substance, defined, 272 

 Inhibitor, defined, 271, 272 

 Inorganic constituents of soil, 5 

 Insects 



activity of fungi against, 142 



bactericidal action of, 149-150 



control of, 147-150, 266 



in soil, 6, 9 

 Interference phenomenon, 154 

 Intestinal disturbances, treatment of, 



244 



In vivo activities of antibiotic sub- 

 stances, methods of testing, 78 

 lodinin, 165, 263, 270 

 chemical nature, 53, 158 

 effect on bacteria, 165 

 inhibition of, 158, 198 

 structural formula, 164 

 Iso-antagonism, 48, 99, 213 

 Isolation of antagonistic microorgan- 

 isms, methods. See Methods of iso- 

 lating antagonistic microorganisms 



Japanese beetle, control of, 1 48-1 50, 

 266 



Ketones, 161 

 Key-enzyme, 154 

 Kojicacid, 164, 185, 270 



Lactenin, 156 



Lactic acid bacteria, lOO-lOl, 225 



Lauryl sulfate, 70, 77 



Leguminous plants, 258 



Leprosy, 17, 30 



Lipoids, 160, 161-165 



Liquid media for testing antagonistic 



action, 61-62 

 Lysin of bacteria, 85 

 Lysis 



of bacteria, 78, 82, 86, 200 



of fungi, 140 

 Lysobacteria, 84 

 Lysogenesis, defined, 272 

 Lysozyme, 143, 156, 186-187, 270 



defined, 272 



effect on bacteria, 70, 161 



