348 



Table XI. Comparison of actual and calculated time for larvae in apples and 



in cocoons, in groups of ten individuals, for all generations of 



laio-isn as recorded hy Glenn. 



On a basis of 750 as the normal substitution-quotient for fhe whole larval life 

 (650 for the time in the apple and 100 for that in the cocoon). The mean ratio of 

 actual to calculated time for each generation is given here to aid in the determina- 

 tion of the effects of factors other than temperature and humidity. For detailed 

 explanations of the methods of calculation, see Tables V and VII and pp. 401-405. 



