1915.], 
Lutz, Experiments with Drosophila ampelophila. 
Egg-Larval Period 
Pupal Period 
4 
ee 
5 | 29 
6 | 4 
eae 
e1 
9 
Re eee ier 
Tass eh 
aa 
13 
14 
15 
16 
17 
35 
1 
122 
See aa ee 
Le oe Eh ls 
1 
Oia ek 
We eee letare 
Le 2 
2 oat 3S 
iee 
oh Aa ha ie re eee 
bs ee a ae ane 
Diets 
LZ 
Rey) eat 
: 
90") 1S 1 
BREE WWAD © 
263 
617 
Table 18. Data for the general population of females concerning correlation 
between the Durations of the Egg-Larval and Pupal Periods. Normal Experiments. 
Egg-Larval Period 
| 
Pupal Period 
4 
5 
44 
45 
NWN POR ND : 
30 
123 
‘Table 19. Data for those males which lived less than 32.5 days concerning 
correlation between the Durations of the Egg-larval and Pupal Periods. 
Experiments. 
Normal 
