1915,] 
Lutz, Experiments with Drosophila ampelophila. 
Survival 
BPNON HE WN OW: 
Pupal Period 
eee eee 
Con: concn | as 
0 UMISE, pene see: Sls 92 10. eile, 8, <), o 
15 
613 
Table 8. Data for females concerning correlation between the Duration of the 
Pupal Period and Normal Length of Adult Life. 
Survival 
48 
60 
72 
84 
96 
5.6 
1 
4 
5) 
3 
13 
Egg-Larval Period 
16.61 7.1/7.6 
> Ma ee eae 
4b BoA 
ele ee ea 
i ee 
40 | 20 | 3 
116 
Table 9. Data for males concerning correlation between the Duration of the 
Egg-larval Period and Ability to Withstand Starvation. 
