Bacillus polymyxa 



154 



Bacillus polymyxa: cytolytic enzymes, 



III. 94, 95; VI. 9, 11, 14. 



description and diagnosis, III. 68*; 



IV. 148, 149; VI. 9, 12. 



- enrichment culture, IV. 149, 167; VI. 

 10, 15. 



- fermentation, III. 68; IV. 148; VI. 

 10, 11. 



- films, VI. 12. 



- isolation on slices of living potato, 

 IV. 167. 



- motility, III. 68; VI. 12, 13. 



- nitrate reduction, IV. 148; VI. 13. 



- nitrogen fixation in symbiosis with 

 Azotobacter, IV. 148, 149, 167. 



- occurrence, IV. 149; VI. 9, 10, 12, 

 15. 



relation to oxygen, IV. 148; VI. 10, 

 13, 15. 



- resistance to high nutriment concen- 

 tration, VI. 10, 12. 



- slime production, IV. 148, 149; VI. 9, 

 10, 12, 13-15. 



- synonyms, IV. 148; VI. 9, 15. 



- thermo-resistance of the spores, VI. 

 10, 11. 



- varieties, IV. 149; VI. 12, 13. 

 Bacillus pseudopulcher, description, IV. 



317. 

 Bacillus pyocyaneus, enrichment culture, 



IV. 353-355, 374. 



Bacillus radicicola: see also: root nodules. 



- bacteroids, see: Bacteroids. 



- cell reproduction, VI. 64. 



- chemiotaxis of Leguminosae, II. 162, 

 163, 180. 



- cultivation and nutrition, VI. 58, 

 61-63. 



- description, II. 168, 171, 172, 180, 

 186*, 187*; III. 49-51; IV. 259, 265*; 



V. 267; VI. 63, 64*. 



- discovery, II. 168. 



- distribution in the host plant, II. 180, 

 181, 323; V. 266. 



- enrichment culture, II. 180. 



- enzymes, II. 172, 180, 182. 



- gall producing substances, II. 171, 187 



- indican decomposition, III. 344. 



- inoculation experiments, II. 162, 180, 

 181, 321*-325; IV. 260. 



- isolation, II. 156, 163-167, 173, 175; 

 III. 49-51, V. 265, 266-268; VI. 58. 



- nitrogen compounds, influence on the 

 growth, II. 164, 183, 184, 323, 324; III. 

 50; IV. 115, 119; V. 269; VI. 61. 



Bacillus radicicola: nitrogen fixation ex- 

 periments in symbiosis with Pa- 

 pilionaceae, V. 267, 268. 



- nitrogen fixation experiments in nu- 

 trient media and on plates, II. 183- 

 185, 323, 324; IV. 259 ;.V. 266, 267- 

 269, 271; VI. 61-70. 



- oxygen relation, II. 168, 181, 185; IV. 

 260; VI. 65. 



- penetration in the roots, II. 157, 181, 

 184; IV. 258; VI. 58. 



- slime, III. 49-52; IV. 153, 259, 265*; 

 V. 268, 269, see also: slime threads. 



- species and varieties, II. 156, 165, 

 167, 175-177, 187*, 325; III. 49; IV. 

 259, 260; V. 265-267. 



- star forms, IV. 145; VI. 63-64*-65. 



- swarm stage, VI. 63-65. 



- temperature relation, VI. 62, 65. 



- urease, VI. 20. 



- virulence, IV. 260. 



Bacillus radiobacter: alkali production, 



IV. 144, 145, 178. 



- denitrification, IV. 144. 



- description, IV. 144, 145. 



- nitrogen fixation, IV. 139, 140, 144, 

 145, 159, 163, 165, 170, 179, 257. 



- slime, IV. 153, 259; VI. 5. 

 Bacillus seplicus: description, micro- 



aerophily, "respiration figures", III. 



317-319; IV. 366. 

 Bacillus subtilis: isolation on slices of 



living potato, IV. 167, 177, 366; V. 98. 

 Bacillus sphaerospoyus: description and 



occurrence, IV. 366. 



- enrichment culture, IV. 364, 365. 

 Bacillus violaceus: see Violaceus bacteria. 

 Bacteria: discovery, V. 119-124-127-140. 



- influence of temperature, see Tempe- 

 rature. 



- nomenclature, II. 167; VI. 65, see also: 

 Taxonomy of microorganisms. 



- resistance to drying II. 356; III. 91, 

 113; IV. 29, 325; V. 13. 



- taxonomy, III. 3, 126, 271, 272, 273, 

 276; IV. 28, 30, 39, 40, 42, 55, 59, 1 15; 



V. 29, 73, 157, 209, 210; VI. 9, 27, 65. 



- the species concept, III. 3, 271, 272, 

 276; IV. 28, 46, 55; V. 32, 74; VI. 9, 65. 



Bacterial levels: see Respiration figures. 



Bacterial spores, resistance to tempera- 

 ture, II. 299; III. 64, 71, 78, 91, 93, 

 315, 316; IV. 15, 85, 89, 90, 94, 96, 111, 

 115, 116, 141, 147, 149, 150, 152, 160, 

 161, 224, 325, 327; VI. 7, 10, 11, 73. 



