376 
Journal of Agricultural Reserach 
Vol. XIV, Ro. 9 
Table X .—Weight in milligrams of individual seeds planted correlated with yield in 
decigrams of kernels per plant. igi 6 
Table XI .—Weight in milligrams of individual seeds planted correlated with yield in 
decigrams of kernels per plant, igij 
RELATION OF WEIGHT OF SEED USED TO THE RESULTANT PLANT 
CHARACTERS 
Inspection of the coefficients given in Table III shows that, with cer¬ 
tain exceptions, the correlation coefficients in 1914 and 1915 are lower 
than those for the same characters in 1916 and 1917. 
The relatively low correlation in 1914 and 1915 corresponds to the com¬ 
paratively high variability in these two years, both of which are due in 
part to (a) the extreme climatological and pathological conditions, (b) 
