Apr. i-Sept. is, 1921 
Index 
887 
Page 
Wingard, S. A., and Fromme, F. D. (paper): 
Varietal Susceptibility of Beans to Rust.. 385-404 
Worms, efficacy of carbon tetrachlorid 
against. 157-175 
Wound-Cork Formation in the Sweet Potato 
(paper). 637-647 
Wright, Lewis H. (paper): Some Observa¬ 
tions Regarding Eosinophiles.677-688 
Yeast in silage. 770 
Page 
Yellow pine, western. See Pinus ponderosa. 
Zea mays — 
assimilation of nutrient salts. 545~573 
indentata , relation of length of kernel to 
yield. 427-438 
Zoller, Harper F., and Williams, Owen E. 
(paper): Sandy Crystals in Ice Cream: 
Their Separation and Identification_791-796 
Zygodes mus sp., isolated from potatoes. 828 
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