163 



Energy source 



Dieback in Amygdaleae after inoculation 

 with Coryneum, I. 335, 338; IV. 276. 



Diffusion and absorption fields in auxa- 

 nograms, III. 3*, 4; V. 16-19. 



Diluvium, VI. 7. 21, 22. 



Dioecism : II. 24, 289; V. 77, 78, 80. 



— producing — from monoecism, II. 24, 

 289; V. 78. 



Diphteria bacillae, V. 133, 153. 157. 

 Discontinuous variability, V. 26. 

 Diseases: resistance of plants, I. 35; III. 

 162. 



— biological control, III. 163. 

 Distel: see Thistle. 



Distilled water: green sediment, II. 227. 



— toxicity, II. 169, 191. 

 Djeddah yeast, III. 176, 182. 

 Dried yeast: see Yeast dried. 

 Drinking water: microbiological quanti- 



tative determination of organic sub- 

 stances in, III. 6-10. 



— Protozoa and Spirillae in, III. 44, 

 45-47, 48. 



— quantity of germs, III. 44. 

 Dripping bottle, capillary siphon — for 



microscopical work, II. 359. 

 Druif: see Grape. 

 Druifluis: see Phylloxera. 

 Dry ing: influence on bacteria, II. 356; 



III. 91, 113; IV. 29. 325; V. 13. 



— influence on mosaic virus, III. 303. 



— influence on yeast and yeast spores, 

 III. 257, 260-262, 279-282, 285, 287- 

 289; V. 117, 164, 165. 



— influence on yeast autofermentation, 

 V. 164, 165. 



Dualistic food, 11.249-253, 257,262; III. 



7, 11-17, 133; IV. 60, 81, 295-297; V. 



273; VI. 13, 61, 77. 

 Dulcitol, dissimilation by microorga- 



nisms, II. 264; III. 61; VI. 13. 

 Dust: atmospheric, I. 367-369; IV. 180- 



191. 



— cosmic, IV. 324-326, 332. 



Dwarf forms of coniferous trees, II. 283- 

 286-292. 



Earcockle, I. 17. 



Economie equivalent, V. 232. 



Eenkoorn. VI. 80. 



Eenkoorn, dubbele, VI. 81. 



Efficiency in nature, II. 16, 100. 110. 



Eiche: see Oak. 



Eiche, amerikanische : see Oak, Ameri- 

 can. 



Eichengallwespe : see Oak gall wasp. 



Eik: see Oak. 



Einkorn, I. 401-406, 416-426. 



Einkorn, doppelte, I. 401-405. 423, 424. 



Elaioplasts of Saccharomyces pulcherri- 

 mus, V. 261. 



Elective cultivation, see: Isolation. 



Elementararten, V. 25. 



Elm (Iep, Orme, Ulme), I. 32, 91; II. 

 317; III. 23, 24; IV. 16. 231. 232; V. 

 113. 



Els: see Alder. 



Emmer. I. 404, 415, 417, 420, 424; VI. 80, 

 83, 84. 



Emulsine: III. 326. 342, 343. 347; IV. 12, 

 285; V. 40, 92; VI. 13. 



— action of lactic acid bacteria. IV. 285. 

 Emulsion: III. 187. 188. 



— of laevulan formed by an exoenzyme. 

 V. 93, 94-96, 239, 255. 



Emulsion bacteria, IV. 341. 

 Emulsion colloids, IV. 341-347. 

 Emulsion figures of motile bacteria, III. 



244-254; V. 202, 203. 

 Endoenzymes: IV. 97-102, 204, 205, 209; 



V. 7, 40, 95, 96, 101, 106, 107, 143, 148. 



161, 206-216, 218, 220, 222, 226, 247, 



255; VI. 14. 



— identity with protoplasm, IV. 97-103, 

 204, 205; V. 7, 143, 206, 215, 220, 223, 

 226, 251-252. 



— preparation, III. 269. 344; IV. 97. 98; 

 V. 220. 



— with synthetic action, VI. 14. 

 Endomyces Magnusii, occurrence. IV. 



232. 

 Energy balance: of chemosynthetic car- 

 bon dioxide assimilation, IV. 206. 208. 

 210, 243, 246; V. 282. 



— of chemosynthetic denitrification, IV. 

 208, 210, 246; V. 282. 



— of denitrification, IV. 193. 



— of sulphate reduction, IV. 200, 210. 



— of sulphite reduction, IV. 202. 



Energy source : for chemosynthetic car- 

 bon dioxide assimilation, ammonia and 

 uitrite oxidation, IV. 379; V. 191. 



— for chemosynthetic carbon dioxide as- 

 similation, hydrogen oxidation, IV. 

 379; V. 137, 231. 



— for chemosynthetic carbon dioxide as- 

 similation. nitrous oxide oxidation. IV. 

 380, 381. 383. 



