Quercitol oxidation 



190 



Quercitol oxidation by microorganisms, 

 J II. 264; III. 61 ; V. 3-6, 9; VI. 13. 

 Ouinates as a carbon source, V. 3; VI. 4, 



21, 25. 

 Quinone: detection, IV. 19, 20; V. 9. 



- production by Actinomyces, IV. 13- 

 21, 22; V. 9 



R 



Rabbit (Konijn), I. 296; V. 123; VI. 18 

 Rabies, V. 138; VI. 16-18. 

 Race: degeneration, III. 182. 



- fixation, I. 364, 365, 403, 404. 



- variety and species, I. 359, 366, 401- 

 406, 407-408, 419; III. 3, 18, 182, 183, 

 262, 271, 272, 273; IV. 28, 30, 39, 40, 

 46, 48-52, 55, 59, 115, 316; V. 36-38, 

 73, 178, 186-193, 210, 281-288. 



Radenkorner (Earcockle), I. 17. 



Raffinose : dissimilation by microorga- 

 nisms, II. 171, 264, 279; III. 182, 248; 

 V. 16, 17, 91, 107, 273; VI. 4, 6, 13. 



- sensitive test on , V. 93. 



Raisin (Rosine, Rozijn), III. 55-56, 185, 

 186, 258, 290; IV. 40; V. 62, 260. 



Raising power of yeast, III. 62; IV. 314; 

 V. 162, 163*. 



Rape (Rube), V. 109. 



Reductase or catabolic action, IV. 204, 

 205, 209. 



Reduction : by means of microorganisms, 

 II. 151, 201, 204-209, 246, 258, 331- 

 340, 352, 358; III. 43, 77, 87-89, 97- 

 101, 106, 117; IV. 18, 22, 24, 29, 35, 

 59, 72, 148, 177, 192, 193-197, 203, 

 204, 209, 210, 285, 286; V. 101, 108, 

 109, 274; VI. 13, 76, 79. 



- by means of sodium hydrosulphite, 

 II. 204, 234, 235, 302, 352; III. 73, 74, 

 77, 88. 



- in an acid medium by Oidium lactis 

 and yeasts, V. 274. 



- in relation to oxygen, II. 204-209, 

 246; IV. 193, 194. 



- of cyanates by microorganisms, IV. 

 196, 197. 



- of hydrogen peroxide by microorgan- 

 isms, II. 201, 246, 258; 111,43; IV. 59, 

 285; V. 108; VI. 79. 



- of indigo blue by microorganisms, 

 II. 151, 246, 331, 337, 352; III. 88; 

 IV. 192, 196. 



- of laevulose to mannitol by lactic 

 acid bacteria, IV. 59, 72, 192, 286, 

 317; V. 101, 109. 



Reduction: of litmus, II. 151; IV. 196, 

 286; V. 155. 



- of methylene blue, IV. 197. 



- of molybdenic and tungstic acid by 

 microorganisms, IV. 196; V. 274. 



- of nitrates, II. 151; III. 18, 19, 117; 

 IV. 18, 22, 29, 148, 177, 192, 195, 

 348, 352-354-356-370, 382; VI. 13. 



- of organic iron salts by microorgan- 

 isms, IV. 196, 197, 210. 



- of pigments, II. 333-334-337, 352, 

 358*; IV. 197. 



- of selenates, selenites, tellurates and 

 tellurites by bacteria, IV. 192, 194, 

 195, 209. 



- of sulphate, see : Sulphate reduction. 



- of sulphite, see: Sulphite reduction. 



- of sulphur, see: Sulphur reduction. 



- of thiosulphate, see: Thiosulphate re- 

 duction. 



Reductive power: in relation to strict 

 anaerobism and fermentation, III. 88, 

 89, 97, 100; V. 193, 194. 



- of Bacillus cyaneofuscus, II. 331, 336, 

 337, 340. 



- of Bacillus nitroxus, III. 99. 



- of Granulobacter butylicum, III. 77, 

 87-89, 95-99-101. 



- of lactic acid bacteria, II. 337, 352; 

 III. 99. 



- of luminous bacteria, II. 204-209, 

 246; VI. 79. 



- of yeast, III. 88, 99, 105, 106; IV. 24, 

 35, 196, 197, 203, 204, 209, 210. 



Regeneration: concept, I. 293-294. 



- of the spore forming ability of Uro- 

 bacillus Pasteurii, IV. 89. 



- of the spore forming ability of yeast, 

 III. 278-292; IV. 41, 330, 331; V. 69- 

 71. 



- phenomena, I. 90-124, 293-298, 299- 

 317; II. 103, 289. 



Rejuvenation of Saccharomyces sphaeri- 

 cus, III. 178. 



Rennet, II. 219, 354, 356. 



Reproduction of cells: see Cell reproduc- 

 tion. 



Reproduction, role of cytoplasm and nu- 

 cleus, II, 15, 20, 105. 



Reserve cellulose, III. 150, 287; V. 106; 

 VI. 14. 



Resin, IV. 276, 277. 



Resin arabic, IV. 100. 



Resistance : of bacteria to drying, II. 356 ; 

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



