406 



Table XXI. Showing conditions and period of growth of larvae in apples under 

 approximately constant temperature. Experiments by C. S. Spooner. 



Tabu; XXII. Pupation and emergence as affected iy temperature and humidity. 



Autumn larvae (1917) soaked in water for 20 hours, Nov. l.'/th, 



and placed at 75° F. 



' No. of larvae alive after soaking for 20 hours. The dead were not counted here. 



