Schildluis 



194 



Schildluis: see Scale. 

 Schizobolism, IV. 21. 

 Schizosaccharomyces, see also: Yeast. 

 Schizosaccharomyces octosporus: alcohol 

 yield, III. 61. 



- asporogenous variant or mutant, III. 

 262-264-266, 270*. 278, 279, 283, 284; 



IV. 40, 41, 287, 330, 331 ; V. 30, 63-65- 

 70, 84, 85, 88*. 



- asporogenous and sporogenous form, 

 discrimination, III. 263-264-266, 270, 

 284; V. 63-65. 



- diagnosis, III. 57-59, 264, 270*, 284; 



V. 88*. 



- fermentation, III. 60-62, 261, 262, 

 264, 265; IV. 40. 



- influence of aeration, III. 262, 263, 

 279; IV. 287. 



- influence of temperature, III. 262, 

 263, 279. 



- influence of very low temperature, 

 IV. 329-331. 



- isolation, III. 56, 257, 260, 261, 279; 



IV. 40; V. 62, 70. 



- isolation of the sporogenous form, III. 

 260-266, 278-292; IV. 41, 330, 331; 



V. 62, 66-68, 70. 



- karyogamy, III. 60; V. 62, 64, 66, 67, 

 70, 85. 



- nutrition, III. 60-62; 263, 279; IV. 

 287. 



- occurrence, III. 54-56, 258-260; IV. 

 40. 



- raising power, III. 61. 



- spore forming ability, "regeneration", 

 III. 278-282; IV. 41, 330, 331 ; V. 69-71. 



- spores, III. 57, 59, 60, 62*, 264, 270*, 

 282-284; IV. 40, 41, 287, 330, 331; V. 

 65-67, 70, 88. 



- spores, demonstration in the colo- 

 nies, III. 280-282, 284. 



- spores, significance, III. 60; V. 65-67. 



- trypsin formation in relation to the 

 necrobiosis of the asci, III. 258, 266- 

 269-270, 284, 291. 



- variation and mutation, III. 257, 260, 

 263-265, 270*, 278, 279, 283, 284; IV. 

 40-42, 287, 329-331; V. 30, 62-70, 84, 

 85, 88*. 



- variation, influence of temperature, 

 III. 257, 259, 262, 263, 279-286; IV. 

 41, 329-331; V. 62, 70. 



- yoke formation or cell partition, III. 

 57-60, 62*, 264, 270*; IV. 40; V. 63, 

 64, 88*. 



Schizosaccharomyces octosporus oligospo- 

 rus, relation between the absence of 

 karyogamy, and the absence of se- 

 cundary mutants, V. 62, 64, 66-70. 



Schizosaccharomyces pombe : no glycogen, 

 no autofermentation, V. 161. 



- spore forming ability, regeneration, 

 III. 284-285-286. 



- spores, III. 284-286; V. 67. 

 Schmetterling : see Butterfly. 

 Scholle: see Plaice. 

 Schuimbeestje: see Froghopper. 

 Secundary colonies in atavism, mutation 



and variability, V. 30, 62, 64, 84, 212; 



VI. 12. 

 Sediment figures of motile bacteria, III. 



244-254; V. 202, 203. 

 Seeds, resistance to drying, IV. 325. 

 Seigle : see Rye. 

 Selection: I. 157, 320, 359-366, 402, 411; 



III. 176, 182; IV. 235-237; VI. 84. 



- bud, IV. 235-237. 



- colony, III. 56, 176, 182, 262, 263, 

 278, 286, 289, 292; IV. 40-47, 89; V. 

 49, 51, 56, 66-68. 



- seed, IV. 235-237. 



Selective cultivation, see: Isolation. 



Selenates and Selenites, reduction by bac- 

 teria, IV. 192, 194, 195, 209. 



Seminase, VI. 1 1 . 



Separative cultivation, IV. 167, 177; V. 

 6, 7, 36, 37, 62, 98; VI. 10, 58, 71. see 

 also: Plate method. 



Sereh disease, II. 290. 



Serology, antibodies, V. 257, 258. 



Serradella, IV. 259, 260; V. 264-269; VI. 

 22. 



Sex, female, influence of nutrition on the 

 predominence, I. 413. 



Sexuality: influence of nutrition, II. 15. 



- significance, II. 347; V. 28, 66-68. 

 Silica plates, preparation, IV. 128, 184, 



239, 240; V. 180, 181, 284; VI. 72. 

 Silica-chalk plates, preparation, III. 190; 



IV. 240. 



Silicates, colloidal in humus, V. 180, 282; 

 VI. 4, 22, 25. 



Silvergrain, I. 95. 



Slaapappel: see Bedeguar, I. 22, 28, 71. 



Slak : see Slug. 



Slime, bacterial: II. 157, 160, 177, 188*; 

 III. 49-51-53, 68, 274, 275; IV. 38, 

 113, 114, 118, 122, 124*, 148, 149, 153, 

 154, 160, 166, 174, 227, 259, 265*, 278, 

 283, 285, 288, 336-338; V. 39, 43, 44, 



