Apr.-Sept., 191S 



Index 



579 



Page 

 Willamaa, J. J., and West, R. M. (paper) 

 Notes on the Hydrocyanic-Acid Content of 



Sorghum 179-185 



Wilt— 

 gipsy-moth caterpillar — 



distribution of 102-104 



epidemiology of 102-104 



etiology of 115-126 



pathology of 104-1 is 



relation of climate to 103-104 



nastiu"tiiim, caused by Bacterium solana- 



cearum 451-458 



Wilt of Gipsy-Moth Caterpillars (paper) 101-12S 



Wind, agency in dissemination of Plioma 



betae 173-174 



Woodward, T. E., Turner, W. F., and 

 Griffiths, D. (paper) Prickly-Pears as a 

 Feed for Dairy Cows 405-450 



Wool— Page 



fiber — 



breaking stress of 380-382, 390 



elastic limit of 382-384, 390 



tensile strength of 381-382 



testing apparatus, description of 384-385 



tensile strength and elasticity of 379-390 



Zea mays — 



comparison of dry matter produced by 

 hybrid and parents of 393 



comparison of water requirement of hybrid 

 and parents of 392-400 



effect of cross-pollination on water require- 

 ment of 401-402 



effect of self-pollination on water require- 

 ment of 401-402 



food plant of Diaprepcs spenglerifestivus. ... 263 



water requirement of 392-400 



