AN ANALYSIS OF THE EFFECT OF SELECTION. 
Fig. 9.—Means and standard deviations for speck (1331) minus line. 
TaBLe 16.—1331 (Speck), Minus Line. 
Genera- 
tion. 
He He He 
.187+ 
CO 0 He He RWW RE eR 
M 
464+0.044 
688+ .031 
026 
141+ .017 
072+ .016 
982+ .022 
943+ .019 
333+ .071 
000+0.076 
417+ .072 
081+ .045 
951+ .031 
188+ .167 
REVERSED SELECTION. 
-429=0.035 
-451 .052 
- 143+ 
.114 
0.733+0.031 
-790+= .022 
767 .018 
495+ .012 
-425+ .012 
414+ .015 
341+ .013 
.547= .050 
0.535+0.048 
-638 .051 
-629+ .031 
-584 .028 
-948+= .118 
-170 .028 
0.663+0.025 
-743 .037 
-773 .080 
1Jncludes data from reversed selection. 
*Includes culture 2625, a mating of 6X6. This culture is not included in the other columns. 
19 
