GENERAL INDEX 



See also Index of Microorganisms, page 395 



Abortion of cattle, survival of organism 



in soil, 28 

 Acridine, I 8 1, 182 

 Actinomyces lysozyme, 116 

 Actinomycetes, 1 08-1 10 



antagonistic properties of, I lO-l 1 8 

 as antagonists. Fig. 4 (p. 59), 108- 

 129 

 against actinomycetes, 128 

 against agents producing plant dis- 

 eases, 128-129 

 against bacteria, no— 118 

 against fungi, 118, 1 51-153, 303 

 in soil, 1,6, 8, 9, no, 1 1 5-1 18 

 physiology, 108 



substances produced by, 53-54, 1 19— 

 127, 198-200, 251, 329 

 in vivo activity, 129 

 types. Fig. 10 (p. 108) 

 Actinomycetin, 113-114, 119, 126, 

 129,171,314,319,329 

 chemical and biological properties, 



171 

 effect on bacteria, 126, 228 

 therapeutic value, 129 

 toxicity, 178 

 Actinomycin, 83, 1 19-120, 165, 171, 

 219, 228, 241, 242, 298, 299, 

 319, 320, 329 

 antiluminescent activity, 81, 82 

 bactericidal action, 246—248 

 bacteriostatic action, Fig. 4 (p. 59), 



220 

 chemical nature, I 89-191 

 compared with other antibiotics, 74, 



219—223 

 compared with proactinomycin, 126 

 compared with tyrothricin, 242 

 crystals, Fig. 20 (p. 209) 

 differentiation of bacteria, 260 

 effect on bacteria, Fig. 5 (p. 62), 



Fig. 27 (p. 251) 

 effect on fungi, 74, 153 



Actinomycin {com.) 



in vivo activity, 129 



neutralizing agent, 256-257 



toxicity, 178, 241, 298-299 

 Actinomycosis, 27, 127 

 Adaptation of bacteria to antibiotics, 



257-259 

 Adaptive enzymes, 184 

 Aerobic bacteria as antagonists, 105- 



106 

 Agar diffusion method, 63, 75-78, 84 

 Agar method for testing antagonistic ac- 

 tion, 61-63 

 Agar streak-dilution method, 72-73 

 Alfalfa, decomposition of, 43—44 

 Alfalfa-sick soils, 1 8 

 Algae, 6, 9, 330 

 Allicin, 170, 217, 330 

 Amebae, 9, 157 

 Anaerobic bacteria, 21, 105—107, 266, 



272, 273 

 Anaxogramic method, 61 

 Animal excreta, See Human and animal 



wastes 

 Animal pathogens, survival of, 26-35 

 Animals, microscopic 



as antagonists, 154-162 



In soil, 6 



substances produced by, 215-216, 

 330 

 Antagonism, 13, 53-59 



defined, 331 



effect on organisms, 38—39 



metabolite, 227 



types,_45, 47-48 

 Antagonist, defined, 331 

 Antagonistic action, 50—52, Fig. 5 (p. 



62) 

 Antagonistic index, loi, 102 

 Antagonistic interrelationships among 



microorganisms, 36-39, 44-49 

 Antagonistic microorganisms 



isolation and cultivation, 53—69 



