Table 10a.--Prediction of hatching of Melanoplus differentialis as to dates 
when 0 to 100 percent will have hatched 
Current } 
Average average Effect of 
5-day maximum maximum Devia- | 1-degree 
interval temperature | temperature }j tion deviation { Sum of } Hatching 
' ie it (t-t) a !a(t-t) | datesl/ 
° 
1 
ho 
fo) 
1 
Wo 
oO 
' 
' 
1 
i) 
CHODCWDUNRFORDWHOERAW RHE DWUNES. 
1/ Results of column 6, sum of a(t-t), added to or subtracted from 
dates in table 10b when O to 100 percent will have hatched. 
Table 10b.--Average and predicted hatching dates for Melanoplus differentialis 
when 0 to 100 percent will have hatched 
Predicted date 
