Bacillus polymyxa 



154 



Bacillus polymyxa: cytolytic enzymes, 



III. 94, 96; 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- 

 triënt 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 septicus: description, micro- 



aerophily, "respiration figures", III. 



317-319; IV. 366. 

 Bacillus subtilis: i-solation on slices of 



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

 Bacillus sphaerosporus: description and 



occurrence. IV. 366. 



— enrichment culture. IV. 364. 365. 

 Bacilhls violaceus: see Violaceus bacteria. 

 Bac/^n'a.- 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. 115; 



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. 1 1 1. 

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

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



