A rrowroot 



152 



Arrowroot, V. 198*. 

 Arthrospores, IV. 14. 



Asexual organisms: gene theory, V. 40, 

 84, 85, 214. 



- heredity, mutation and variability, 

 III. 165; IV. 37-47, 235; V. 29, 30, 40, 

 64, 73-75, 84, 214, 254. 



Ascospores of yeast: see Spores. 



Ash (Frene), III. 230. 



Asparagine, assimilation, II. 198, 201, 

 248-251, 297, 338; III. 11, 32, 133, 183, 

 184, 274; IV. 29, 73, 118, 200, 279, 374- 

 378, 383; V. 202, 206, 253; VI. 11, 12, 

 13, 61. 



Aspartic acid, conversion into pyruvic 

 acid by bacteria, V. 219. 



Asporogenous variants or mutants of 

 Schizosaccharomyces, III. 262-264-266, 

 270*, 278, 279, 283-286; IV. 40, 41, 

 330, 331; V. 30, 63-71, 84, 85, 88*. 



Assimilation of carbon dioxide: see Car- 

 bon dioxide assimilation. 



Assimilation of nitrogen : see Nitrogen fi- 

 xation. 



Atavism, II. 114; IV. 39, 40-47-52, 305- 

 307*-310, 311, 335, 338-340, 355; V. 

 28, 30, 38-40, 46-49-54, 57, 58, 62, 64, 

 68, 70, 81-85, 212-215, 240, 261. 



Atmospheric dust, I. 367-369; IV. 180- 

 191. 



Atrophism, V. 35. 



Aune: see Alder. 



Autoagglutination of yeast, IV. 313-316, 

 322. 



Autobolism, IV, 21. 



Amyloplast, III. 86. 



Autofermentation : measuring cylinder, 

 V. 162, 163*. 



- significance for the organism, V. 166, 

 167. 



- significance in the preparation of the 

 maceration juice, V. 222, 223, 224, 225. 



Autolysis, III. 268, 269; V. 220. 279. 

 Autopurification : of enrichment cultures, 

 III. 84; IV. 82, 86, 88, 91, 92, 94. 



- of soil and water, IV. 250. 

 Autotrophic and oligotrophic bacteria, 



heterotrophic forms of, V. 178, 179, 

 187-193, 281, 284, 287, 288. 



Autotrophic denitrification: see Denitri- 

 fication. 



Autotrophy : see Carbon dioxide assimila- 

 tion. 



Auxanograms: absorption - and diffusion 

 fields, V. 16-17-22, 274. 



Auxanograms: qualitative analysis based 

 on, II. 247, 278-282; III. 6-10, 129, 

 131-135, 148*, 149; IV. 323; V. 15-17, 

 273, VI. 13, see also: Phosphorescent 

 plate method. 



- quantitative analysis based on, III. 

 6-10, 133. 



- ring formation, III. 31; V. 18. 



- demonstration of antiseptic and toxic 

 substances, II. 192. 



- demonstration of enzymes, II. 193, 

 278-282; III. 129, 131-134-135, 147, 

 148*, 149; V. 273. 



- demonstration of organic acids in a 

 mixture, V. 16. 



- demonstration of organisms in a 

 mixture (Melibiose method), IV. 323. 



- demonstration of substances essential 

 for growth, II. 190-193, 244-248, 255; 

 III. 30-32; IV. 323; V. 15-17, 273, 274; 

 VI. 13, 23. 



- unsuitable for organisms with low 

 turgor, III. 60; IV. 323. 



Auxobolism (Auxocatabolism), IV. 103; 



V. 8, 9. 



Azotobacter: alkali production, IV. 122, 

 143, 161, 178; VI. 5. 



- calcium influence, IV. 109, 110, 111, 

 113, 122, 143, 298-300, 302; VI. 3-5, 

 6-8, 21, 22. 



- carbon compounds assimilated, IV. 

 110-113, 144, 120, 121, 143, 258, 298- 

 300; 302,; V. 231, 232; VI. 4, 21, 23. 



- cilia, IV. 120, 123. 



- culture, enrichment, IV. 110-114, 

 117, 120, 121, 142-144, 146, . 164-165, 

 175, 298, 299; V. 232; VI. 3, 7, 21, 22. 



- culture, enrichment, elimination of 

 Gyanulobacter, IV. 110, 113, 143, 164- 

 165, 175; VI. 8, 22. 



- culture, enrichment, influence of alka- 

 li, IV. 110, 111, 119, 120, 143. 



- culture, pure, IV. 117-120, 122. 



- films, IV. 112, 113, 114, 118, 121, 298, 

 300; V. 232; VI. 3, 23. 



involution forms, IV. 114, 120, 124*; 



VI. 23. 



nitrogen compounds, influence in en- 

 richment cultures, IV. 110, 112, 149, 

 377, 383; V. 122; VI. 4, 7, 21. 



- nitrogen compounds, influence in pure 

 cultures, IV. 117, 119, 122, 139, 140; 

 VI. 6. 



- nitrogen fixation experiments with pure 

 cultures, IV. 166-168; 298-301, 304. 



