INDEX 



409 



Yeasts (Continued) 

 asporogenous, 284 

 autolysis of, 271 

 black, 111 

 bottom, 278, 340 

 cells of, 269 

 classification of, 272 

 cytology of, 269 

 diplobiontic, 268 

 ecology of, 315 

 enzymes of, 322, 331 

 fat in, 270 

 film-forming, 281 

 genetics of, 269 

 giant colonies, 65 

 glycogen in, 270 

 haplobiontic, 268 

 in beer, 278 

 in cream, 280, 345 

 in nectar, 280, 299, 316 

 in wine, 341 



industrial, 276, 335, 341 ^ 

 infections, caused by, 305 

 isolation of, 49, 60 

 lactose-fermenting, 279 

 lipids of, 322 

 manufacture of, 264 

 nuclei of, 269 

 nutrient requirements, 317 



Yeasts {Continued) 

 occurrence, in animals, 305, 316 



in dairy products, 345 



in fruits, 315 



in honey, 316 



in insects, 315 



in meat, 346 



in pickle brine, 346 



in sauerkraut, 346 



in soil, 315 

 osmophilic, 280, 316 

 pathogenic, 305 

 phylogeny of, 264, 291 

 symbiosis in, 334 

 tolerance for alcohol, 342 

 top, 278, 340 

 uses of, 322 

 volutin in, 271 



Zoosporangia, 81 

 Zoospores, 7, 29, 81 

 Zygohansenula, 275, 282 

 Zygomycetes, 30, 81 

 Zygopichia, 275, 281 

 Zygorrhynchus, 84 , 



in soil, 258 

 Zygorrhynchus Moelleri, 91 

 Zygosaccharomyces, 62, 274, 280 

 Zygosaccharomycodes, 275 

 Zygospores, 30, 84 

 Zymase, 323 



