323 



Table V. Rate of Development of Larva in Apple. 



(Based on recalculation of Glenn's data in comparison with results of constant 

 temperature experiments described in PART THREE.) 



Temper- Develop- 



atures mental Units 

 ° F. per Hour. 



Temper- Develoj)- Temper- Develop- 



atures mental Units! atures mental Units 

 ° F. per Hour, i ° F. per Hour. 



•Velocities for higher temperatures may be secured from Fig. 24 (p. 402). In- 

 dividual variation permits the first larvae to leave the apple when the sum of de- 

 velopment;;! units is 16% less than the totals given here, which are for ^ne average 

 of all individuals. 



Table VI. Rainfall Corrections Applicahle to the Develop- 

 mental Total for the Larva in the Apple and Coeoon. 



'Normal used in caliiiUuion of standard (theoretical) time. 



