GENERAL INDEX 



407 



Diphtheria {cont.) 



treatment of carriers with filtrate of 

 B. niesentericuSy 286 

 Diplococcin, 172, 189, 329 

 Direct antagonism, 46, 48 

 Direct microscopic method, 7 

 Direct soil inoculation method, 57— 



59 

 Disease control 



of fecal-borne diseases in China, 25- 



26 

 of plant disease. See under Plants 

 of soil-borne diseases, 14-15, 304- 



313 



toxicity of antibiotic substances, 298 



use of antibiotic substances, 261-299 



use of microbial antagonists, 263— 



266 



Disinfectant spectrum, 222 



Disinfectants, chemical, compared with 



antibiotic substances, 218—223 

 Double plate method, 61-63 

 Dyes as bacteriostatic agents, 245 

 Dysentery bacteria, survival of, 28 



E. colt 



antagonists of, 31—32 



influence of enrichment of soil with 



organism, 29—30 

 survival of organism, 29, 31—32 

 E. colt factor. See Penatin 

 Endo-subtilysin, 92, 173, 329 

 Enzyme action, inhibition by antibi- 

 otics, 50, 254 

 Enzymes acting on polysaccharides, 



183-184 

 Equilibrium among soil microorganisms, 



38-39 

 Erythrin, 330 

 Eumycin, 172, 188, 329 



Fastness of bacteria to antibiotics, 258 



Fecal-borne diseases, 25-26 



Fecal residues, 20-23 



Fertilizer 



effect on microbial population, 8, 26 

 use for disease control, 309 



Fibrinolysis, 237 



Flavacidin. See Flavicin 



Flavatin. See Flavicin 



Flavicin, 70, 133, 141, 172, 207 



chemical nature, 172, 207 



toxicity, 178 

 Flax blight, 305 

 Flax-sick soils, i 52 

 Flour protein, 170, 217, 330 

 Fluorescent bacteria as antagonists, 95— 



99. 

 Fluorescin, I 80 

 Food competition, 44 

 Forced antagonism, 53, 58, 214 

 Formulae, structural, of antibiotic sub- 

 stances, 182 

 Freudenreich's method of testing an- 

 tagonistic action, 60 

 Fumigacin, 70, 133, 1 70, 172, 2lO- 

 21 1, 244, 298, 321, 329 

 antiluminescent activity, 81, 82 

 chemical nature, 172, 177, 210-211 

 crystals. Fig. 20 (p. 209) 

 effect on bacteria, 74, 244 

 production, 142—143, 144 

 toxicity, 178, 298 

 Fumigatin, 70, 1 33, 142, 170? I72> 

 182, 209-210, 329 

 chemical nature, 172, 177 

 structural formula, 182 

 Fungi 



agents destructive to, 83, 99, 147- 



153 



actinomycetes, 118,151-153,303 

 bacteria, 63, 83, 94, I30-147j 



151-153 



substance produced by yeast, 62, 



253 

 as antagonists, 56, Fig. 2 (p. 58), 



Fig. 17 (p. 150), 130-153 

 against agents producing plant dis- 

 eases, 151—153 

 against bacteria, 130-147 

 against fungi, 62, 147-150, Fig. 



29 (p. 302) 

 against insects and other animal 

 forms, 160—161 

 in fecal matter, 22 

 in soil, 1, 6, 8, 9, 15-16, 301 

 pathogenic to plants, control of, 



306-313 

 relation to protozoa, 158 



