70 



A. FEANKLIN SHULL 



the high viability parthenogenetic line prevented .the fertiliza- 

 tion of a sufficient number of eggs. The fluctuation of the via- 

 bility, which will be apparent later, may be due to the fact that 

 the two lots did not hatch simultaneously. 



Of the 43 females that laid the eggs in lot Ho, one laid 13 eggs, 

 of which 10, or 76.9 per cent, hatched. From the first of her 



TABLE 23 



Showing number of fertilized eggs that hatched, out of 583 in lot H2, figure 1 



Percentage of viable eggs. 



49.3 



TABLE 24 

 Showing details of parthenogenetic line H2, in figure 1 



Percentage of d^ 9 



20.2 



