153 



Bacillus polymyxa 



Azotobacter: nitrogen fixation in combi- 

 nation with other bacteria, IV. 111, 

 118, 139-145, 149, 150, 159, 165-170, 

 175, 176, 179, 257-258, 300-302, 377; 

 V. 232; VI. 3. 



— occurrence, IV. 110, 111, 120-124, 

 149, 298, 304; VI. 6, 22, 26. 



— occurrence, frequency in the soil, IV. 

 299. 303; VI. 4-6. 



— occurrence, relation to fertility of the 

 soil, IV. 149; VI. 3-6-8, 26. 



— oxidation of organic acids, IV. 110, 

 113, 143, 152, 161, 165, 175, 179, 258, 

 298-300, 302; V. 231, 232; VI. 4. 



— oxygen, influence, IV. 110, 141, 302. 



— reduction of nitrates, IV. 177, 192, 

 195; VI. 4. 



— sarcina packets, IV. 114, 119, 120, 

 124*. VI. 3, 5. 



— slime, IV. 1 13, 114. 118, 1 19, 122, 148. 

 149. 153. 154, 166; V. 95, 99; VI. 5. 6, 

 24. 



Azotobacter and Spirillum lipoferum, for- 

 mation of calcium carbonate pearls. VI. 

 23. 24. 



.(4 ^ro^oftac/^r a^i/ts.- diagnosis, IV. 123, 124* 



— occurrence. IV. 120; VI. 22. 



— pigment, influence of organic acids, 

 iron salts and sugars, IV. 122, 124; VI. 

 22. 



Azotobacter chroococcuni: brown pigment, 

 IV. 114, 119, 143, 152; VI. 3, 5. 



— diagnosis, IV. 123, 124*. 



— glycogen, V. 99. 



— variation, IV. 114, 120, 141, 142, 299. 

 300; V. 95; VI. 4, 5. 22. 



Baccarum wasp, heterogenesis. I. 190. 

 Baciline paralactique, IV. 293. 

 Bacillus cyaneofuscus: blue spherites, II. 

 335, 336, 350-352. 



— calcium carbonate formation, II. 331, 

 358. 



— influence of acidity, II. 328, 351. 355. 

 Bacillus cyaneofuscus: isolation, II. 354. 



— loss of reproductive capacity, II. 328- 

 331, 341-345, 352, 355, 356. 



— occurrence, II. 327-329, 356, 357. 



— oxidation and reduction of the chro- 

 mogen, II. 333-334-377, 352, 358*. 



— reducing power, II. 331, 336, 337, 

 340. 



— sensitivity to drying. II. 356. 



Bacillus etnulsionis, cultivation and de- 

 scription, V. 94, 98, 239, 242*. 



Bacillus fluorescens non liquefaciens, en- 

 richment culture. V. 2, 36, 37. 



Bacillus herbicola: cellulose slime. V. 53. 



— in living cells, V. 266. 



— isolation. IV. 274; V. 52. 



— mutants or variants, IV. 340; V. 38. 

 52-54. 84. 



— occurrence. IV. 274. 275; V. 52 . 

 Bacillus janthinus: see Violaceus bacteria. 

 Bacillus manganicus: crude culture and 



diagnosis, V. 143. 



— occurrence, V. 141. 142. 



Bacillus megatherium, sarcina forms. IV. 



96. 

 Bacillus tnesentericus: coloured films. VI. 



10. 



— nitrogen fixation, IV. 167. 169. 178. 

 Bacillus tnesentericus vulgatus, isolation 



on slices of living potato. IV. 167. 177; 



V. 98. 



Bacillus nitroxus: denitrification, IV. 348, 

 352-354-356-370. 382; V. 186, 189, 

 190. 



— description, IV. 368, 369, 383*; V. 

 189-193*. 



— enrichment culture. IV. 355, 358. 367, 

 368. 



— occurrence, IV. 360, 382. 



— reducing power, III. 99. 



Bacillus oligocarbophilus: as a purifier of 

 the air, IV. 191. 



— assimilation of organic corapounds 

 from the atmopshere, IV. 180-189, 

 190-192, 242. 379; V. 182, 190, 191, 268. 



— copper poisonous, IV. 181. 



— description, IV. 183, 184; V. 189, 190. 



— enrichment culture, IV. 181. 



— films, IV. 181, 182; V. 133, 182, 190, 

 191. 



— nutriënt media, IV. 182-184, 190; V. 

 182, 189-191. 



— pure culture, IV. 183. 



— estimation of the assimilated carbon, 

 IV. 181, 185. 186-189. 



— Winogradsky's theory of carbon 

 dioxide assimilation, III. 238; IV. 180. 

 205, 206, 379; V. 191. 



Bacillus perlibratus, cultivation, III. 



29-32. 

 Bacillus polymyxa: acetone production. 



VI. 9, 13, 15. 



— consumption of previously formed 

 slime. VI. 14. 



