73* 



INDEX, 



Penicillium quadrifidum, ii. 331 

 radians, ii. 348 

 radiatum, ii. 332, 344 

 riseum, ii. 322, 344 

 Rogeri, ii. 336 

 Roquefort, ii. 332, 333 

 rubrum, ii. 329,* 331, 332, 343, 

 344 ; action on albumen, 

 casein, fibrin, and milk, ii. 



371 ; colouring-matter of, ii. 



372 ; decomposing effects of, 

 ii. 363 ; fission of glucosides 

 by, ii. 363, 364, 365 ; inulase 

 secreted by, ii. 365 ; liquefac- 

 tion of gelatin by, ii. 370 ; 

 saccharification by, ii. 353 



silvaticum, ii. 345, 348 

 Wortmanni, ii. 330, 332, 346 



Penicillopsis, description, ii. 297 



Pentosan, ii. 38 ; in yeast, ii. 177 



Pentosans of grain, ii. 207 



Pentose from yeast nucleic acid, ii. 

 162 



Pentoses, ii. 512, 513 ; as source of 

 carbon for yeast, ii. 206 



Pepsin (peptase), ii. 55, 521, 528; 

 action on albuminoids, ii. 162 ; 

 action on casein, ii. 199 ; action 

 on nuclein, ii. 162, 165 ; from 

 yeast, ii. 521 ; preparation from 

 yeast culture, ii. 167 



Peptone, ii. 506 ; action of endo- 

 tryptase on, ii. 553, 555 ; as nutri- 

 ment for peptone-carbon bacteria, 

 i. 166 ; for phosphorescent bacteria, 

 i. 161 ; for Torulacese, ii. 394 ; 

 as source of nitrogen for yeast, ii. 

 212,213,214,215,226; decomposi- 

 tion of, ii. 371 ; derived from 

 casein, i. 301 ; in butter-milk, i. 

 328 ; in cheese, i. 317 ; in Chlamy- 

 domucor oryzae, ii. 93 ; influence 

 on reproductive capacity of yeasts, 

 ii. 228 ; relation of, to frothy 

 fermentation, i. 184; solution of, 

 ii. 132 



Peptones, ii. 462 



Peptonised bouillon agar, i. 129 



Peptonising enzymes produced by 

 Bacillus anthracis, i. 299 ; B. 

 fluorescens liquefaciens, i. 159 ; 

 B. lactis erythrogenes, i. 140 ; 

 B. liquefaciens lactis amari, i. 

 369; B. lupuliperda, i. 166; B. 

 megaterium, i. 299; B. mesen- 

 tericus fuscus, i. 175 ; B. mes. 

 ruber, i. 175; B. mes. vulgatus, 

 i. 175 ; B. oogenes fluorescens a, 

 i. 217 ; B. oogenes hydrosulfureus 



(a, p, 7, 5, e, f), i. 217; B. 

 prodigiosus, i. 137, 299 ; B. pyo- 

 cyaneus, i. 299 ; B. saprogenes 

 vini I.-VIL, i. 312; B. subtilis, 

 i. 133, 174, 299; by cholera bacil- 

 lus, i. 133, 299; by Cladothrix 

 dichotoma, i. 362, 363 ; by the 

 Kiel bacillus, i. 139 ; by Micro- 

 coccus acidi lactis, i. 224 ; M. asco- 

 formis, i. 299 ; M. casei amari, i. 

 328 ; M. saprogenes vini I., II., 

 i. 312 ; M. urese liquefaciens, i. 

 333 ; by Proteus mirabilis and 

 vulgaris, i. 296 ; by Sarcina flava, 

 i. 143 ; by Spirilla from cheese, 

 i. 299 ; by Tyrothrix geniculatus, 

 i. 328; by Vibrio Finkler-Prior, 

 i. 299 



Peridia, ii. 297 et seq. 



Period of generation, ii. 226 ; in- 

 fluence of temperature on, ii. 226, 

 227 



Perisporiaceae, ii. 100 ; affinity, ii. 

 296 



Perithecia, ii. 317, 327, 330, 346, 

 379 ; formation suppressed by 

 light, ii. 56 



Perithecial wall, composition of, ii. 

 37 



Perithecium, ii. 100 



Permanent cells, yeast, ii. 145 ; 



glycogen in, ii. 173 

 yeast, ii. 473, 474, 475 



Permanganate solution, as test for 

 arsenic, ii. 51 



Permeability of cell membrane, ii. 

 227-230 



Peronocarpous, ii. 100 



Peronospora viticola, ii. 236 



Peronosporeae, cellulose in, ii. 33; 

 chitin in, ii. 33 



Perry, ii. 441 



Petri dishes, i. 131 



Petroleum spirit, i. 139 



Peziza convexula, ii. 13 



Fuckeliana, action of light on, 

 ii. 55 ; heliotropism, ii. 54 ; 

 oxalic acid as a metabolic 

 product, ii. 193 



Libertiana, See Sclerotium 

 Libertiana 



Phaseolus, nodule-formation, i. 346 

 vulgaris, ii. 324 



Phenol, ii. 524, 551 : action on 

 anthrax spores, i. 112; as an anti- 

 septic, i. 112 



Phenols, ii. 520 



Phenylamidopropionic acid in Em- 

 menthal cheese, i. 317 



