62 
ROBERT STANLEY McEWEN 
TABLE 3 
Males 
Temperaturg....| 22.7° 2150 DH lap aS Diy 22322 24.5° 2325° 21.6° mele | PPA 
Hours Days 
Age in hours or 
PATS édooeoouae 4 12 15 18 21 24 2 3 4 5t 
Group A: 
Of UC tran 91.4 | 80.6 |_69.9 | Slee 20 | 82a Gxommsoroule Ose Ome 
emperature-c eee elo: Oe 22.6° 21.8° 23.0° 23.0° 22.6° PALES 212° 24.7° 
Days SY 
Aveunidayst oe seen. 6 7 8 92 10 11 12 13 14 
Group A: 
TELTES eee ee Pena He Se || Daal 93.3 | 94.9 | 92.4 | 82.4 | 88.3 | 80.1 
Females 
Temperature.....|  23.5° 22.4° PRIN 22eie 22.0e 23.0° 23.0° Zonk 23.0° PME 
Hours Days 
Age in hours or 
BVS sera acl 4 12 15 18 21 24 2 3 4 51 
6 flies A .| 80.8) 70.8 | 76.6 | 72.4 | 64.9 | 68.3 | 85.8 | 96.6 | 93.3 | 97.4 
9 flies B.....| 99.4) 96.6 | 85.5 | 92.1 | 77.4 | 93.8 | 97.7 | 98.8 | 94.9 | 97.7 
10 flies C.....} 100.0) 96.5 | 95.5 | 98.0 | 95.3 | 98.0 | 87.5 | 96.0 | 94.0 | died 
Average...... 9374) 87-9) 85583) 87-5 || 7922) 8823y | S90RS O97 | 940) 89725 
Temperature. ............ 21.2° (for B and C females only). 
Days 
IAPOITNIGAYS Sc. hecoe.cse le 6 7 8 9 10 11 12 13 14 
() OWES ae so eel Sl 7353 |) 25 | 27/28 | eal |) Sl |) S28) SHS |) cliee! 
Otiess Dee eee | O670nl mated 
PTT Asa ag Goo oo oe alletctesers: 
‘Indicates that food was changed at this point to prevent flies from dying. 
The drop on the sixth day is probably accounted for by this fact. 
* Indicates only six flies in this group from the ninth day on. 
