goo 



INDEX 



Yeast, division of, 64 

 food value, 553 

 of ginger beer, 443 

 on grapes, 515 

 important, 71 

 morphology of, 59, 61 

 of pombe, 533 

 pseudo-, 73 

 of vinegar, 538 



Yeast, of wine, 71, 506 

 Yellow fever, 821 



ZONOCERCUS elegans, 643 

 Zygomycetes, 38 



Zygosaccharomyces, chevalieri, 68 

 Zygospore, 38 

 Zygote, 128 

 Zymases, 193, 200 



