INDEX. 



Tyrothrix filiformis, i. 319^ 



geniculatus, casease", i. 319 ; 



cause of bitter butter and 



milk, i. 328 ; lab-secretion, i. 



319; metabolic products, i. 



319 

 scaber, action of light on, i. 78 ; 



casease, i. 319 ; lab-secretion, 



i. 319 ; metabolic products, i. 



319 



tenuis, i. 319 

 turgidus, i. 319 

 urocephalum, i. 319 

 Tyrotoxicon, cheese poison, i. 304 

 Tyrotoxin, i. 304 



ULOTHBIX subtilis, behaviour in ab- 

 sence of calcium, ii. 45 



Ultra-red rays, effect on Coprinus 

 niveus, ii. 55 



Ulvina aceti (Bac. aceti), i. 29, 384 



Unhairing, i. 265 



Universal nutrient medium, i. 124 



Unorganised ferment, i. 22 



Uracyl, ii. 163, 164 



Uracyl-5-methyl, ii. 163, 164 



Urase, ii. 371, 458, 481 ; artificial 

 formation of, i. 18 ; behaviour of 

 higher plants to, i. 331 ; decomposi- 

 tion of, i. 332 ; fermentation 

 (enzyme), i. 22 ; fermentation by 

 Proteus vulgaris, i. 296 ; influence 

 of air on the separation of, i. 100 ; 

 nature and properties, i. 22, 335 ; 

 power of fermentation, i. 333 ; 

 production of, by Bacterium urese, 

 i. 333 ; by Micrococcus urese lique- 

 faciens, i. 333 ; by Urobacillus 

 Pasteurii, U. Freudenreichii, and 

 U. Schiitzenbergii, i. 334 ; rapidity 

 of fermentation, i. 333 



Urea, ii. 206, 458, 468, 554; as a 

 source of nitrogen for yeast, ii. 214 



Uredinese, ii. 23 ; cellulose content, 

 ii. 34 



Ure thane, ii. 372 



Uric acid, ii. 163, 372 ; decomposi- 

 tion and fermentation of, i. 336 



Urine, ammoniacal fermentation of, 

 i. 336 ; bath, i. 157 ; nitrogen loss 

 caused by bacteria, i. 335 ; test 

 for arsenic in, ii. 51 ; viscid, i. 284 



Urobacillus, i. 333 ; Freudenreichii, 

 i. 334 ; Pasteurii, i. 333 ; Schiitzen- 

 bergii, i. 334 



Urobacteria, Miquel's genera, i. 334, 

 335 ; action of acid on, i. 335 ; 

 of ammonium carbonate on, i. 335 ; 

 occurrence of, i. 336 



Urocephalum, i. 61 



Urococcus, i. 333 



Urosarcina, i. 333 



Usnea barbata, ii. 34 



Usnein, ii. 34 



Ustilaginese, ii. 23, 337 ; cellulose 



content, ii. 34 ; conidiophores, ii. 



110 



Ustilago ficuum , ii. 323 

 phcenicis, ii. 323 



VACCINUM vitis idsea, i. 117, 219 



Vacherin cheese, i. 317 



Vacuole, ii. 150 ; enclosures, ii. 153 



Vacuoles, ii. 444 



Valerianic acid, ii. 206, 508 ; formed 



by film yeast cells, ii. 126 

 Valeric acid, ii. 373, 499 

 Variability of Saccharomycetes (yeast 



cells), ii. 125,257,269 

 Varnish for preservation of eggs, i. 



217 



Vascular cryptogams, i. 28 

 Vaucheria, calcium need, ii. 45 

 Vegetables as a culture medium, ii. 

 316 ; compressed, i. 216, 218 ; 

 desiccated, i. 218 ; preserved, i. 

 218, 219 



Velocity of reproduction. See Re- 

 productive power 

 Vesicular bacteroids, i. 351 

 Vibration, influence of, on bacteria, 



i. 81-84 



Vibrio, generic name, i. 88 ; in Cohn's 

 classification, i. 89 ; in mucin, 

 i. 33 



cholerse asiaticse, diastase-forma- 

 tion, i. 192; effect of H 2 O 2 , 

 i. 110; effect of light, i. 79; 

 of lithium, i. 47 ; of milk of 

 lime, i. Ill ; form of liquefied 

 funnel, i. 133 ; indole reaction, 

 i. 291 ; occurrence in eggs, 

 i. 217 ; period of generation, 

 i. 58 ; production of Isevolactic 

 acid, i. 233 ; proteolytic en- 

 zyme, f. 299 ; splitting of fat, 

 i. 199 

 cyanogenus. See Bacterium syn- 



cyaneum 



Finkler - Prior, proteolytic en- 

 zyme, i. 299 

 lineola, i. 294 

 rugula, i. 37,* 61* 

 synxanthus. See Bac. synxan 



thum 

 Vibrion butyrique, i. 187 



septique. See Bacillus oedematis 

 malign! 



