INDEX OF SUBJECTS. 



1189 



Yeast fell plasma, notes 9]r> 



methods of examination 107(i 



pathogenic, in milk 1080 



study of the Boston supply 7S0 



use in making eurrant wine 795 



waste, utilization 177 



Yeasts, formation of enzyms 915 



length of generations 118 



multiplication without fermenta- 

 tion 118 



physiology and morphology 915 



pure, use in wine fermentation 794 



vitality 118 



Yerby, N. H., notes, U. S. D. A 1015 



Yvcca Jilainrntosa, .seed production 855 



5365— No. 12—01 8 



Page. 

 Yukon River region, biological rcconnois- 



sance, U. S. D. A 830 



Y'ule, notes 344 



Zebra, hybrids 178 



Zephyranthrs atamasco, notes. Fla 1045 



Zeiizera a'l^cuU, notes 166 



Zinc sulphate, effect on algse and fungi 1014 



Zi'un ia aquaUca, a.uii\yfie»,'Wiii 71 



Zomotherapy for tuberculosis 791 



Zoology, International Congress 799 



yearbook 423 



Zymase, action 908 



Buchner's, notes 916 



from dead veast 916 



o 



