GENERAL INDEX 



405 



Bacitracin, 92, 94, 171, 188, 286-287, 



299, 320, 329 

 Bacteremia, treatment, 295 

 Bacteria 



aerobic and anaerobic, 9, 1 05-1 07 

 agents destructive to, 245-250 

 actinomycetes, I lO-i 1 8 

 insects, 159— 161 

 fungi, 107 

 maggots, 162 



protozoa, 21-22, 154-158 

 substance found in milk, 216 

 substance produced by yeast, 214— 



215 

 ticks, 161 

 as antagonists, Fig. 2 (p. 58), 85- 

 107 

 against agents producing plant dis- 

 eases, 151— 153 

 against bacteria, 85— 1 07 

 against fungi, 57, 58, 94-95. 

 1 51-153, Fig. 30 (p. 302), 



307 _ 



against insects, 159— 161 



against protozoa, I 5 7 



against viruses, 163-164 

 cocci, 103-104 

 colon-typhoid group, 30—32, 99- 



103 _ 



differentiation by means of antibiotic 



substances, 259—260 

 effect on tumors, 168-169 

 enzymes, 224-225 

 fastness, 258 



fluorescent bacteria, 95—99 

 in fecal matter, 19-22 

 in soil, 7-10, 26-35 

 lysis, 83, 87, 88, 91 

 metabolism, 224 



nonspore-forming bacteria, 95—104 

 spore-forming bacteria, 87-95 

 substances produced by, 178-179, 



329 



survival in soil, 26-35 



virulence, 297 

 Bacterial agar plate method, 55-56, 57 

 Bacterial cell division, interference by 



antibiotic substances, 224 

 Bactericidal, defined, 331 



Bactericidal action 



methods of measuring, 79, 82, 83 



of insects, 161 

 Bacterioantagonistic, defined, 331 

 Bacteriolytic agents in soil, 9 

 Bacteriolytic, defined, 331 

 Bacteriophage, 101, 161, 166, 168, 250 

 Bacteriostatic action, 69—72 



inhibition, 255-257 

 Bacteriostatic and bactericidal agents. 



See Bacteria, agents destructive to 

 Bacteriostatic, defined, 331 

 Bacteriostatic spectrum, defined, 59, 



319, 331 

 Bacteriostatics, 47, 229 

 Bacteriotherapy, 261, 265, 331 

 Bacterization, 31 1 

 Basidiomycetes, antibiotics produced by, 



131, 132, 146, 147 

 Biological conditioning, 224 

 Biological control of insects, 161 

 Biological control of plant diseases, 



306-313 

 Biostatic complex, defined, 331 

 Blackleg organism in soil, 17, 27 

 Blood cells, hemolysis of, 84 



as test of antibiotic activity of tyro- 

 thricin, 81 



by gramicidin, 231, 254 



by tyrocidine, 231 



by tyrothricin, 231, 299 

 Blue staining of pulp, 149 

 Botulinus, 27, 189 

 Bovine mastitis 



survival of organism, 28 



treatment with clavacin, 280 



treatment with gramicidin, 284-285 

 Bovine spermatozoa, 254 

 Bovine tuberculosis in manure, 33 

 Bran as a medium, 67 

 Bromo-aspergillic acid, 208 

 Brucella organism, survival of, 34 

 Bubonic plague organism, survival of, 

 28 



Catlonic detergent, 232 

 Cattle tick, relation to Texas fever, 1 7 

 Cellulose decomposing organisms, 43 

 Cephalin, 256 



