630 



Journal of Agricultural Research 



Vol. XIII, No. 12 



Tabi,E II. — Effect of various concentrations of alcohol upon the infectivity of the virus 

 of the mosaic disease — Continued 



VIRUS c (preserved in 25-90 PER CENT ALCOHOL ON APRIL 27, 1914) — continued 



VIRUS D (preserved in 80 PER CENT ALCOHOL ON MAY 21, I914) 



