1914] 
Surrounding 
temperature. 
20°C: 
44° 
Surrounding 
temperature. 
HOKE, 
0° 
0° 
0° 
Og 
Weiss—Thermal Conductivity of Cocoons 
Gradual Rise. 
Time. 
0 min. 
1, 4 
200 a 
By) 
40 “ 
SOM a 
Sudden Drop. 
Time. 
0 min. 
5 ee 
ilsy 2 
OR 
Gin 
47 
Temperature 
inside cocoon. 
26°C, 
Temperature 
inside cocoon. 
14°C. 
14° 
10° 
8° 
ie 
Bag of Thyridopteryx ephemereformis. 
Outside 
temperature. 
8°C. 
Y he 
he 
Surrounding 
temperature 
26°C. 
38° 
Surrounding 
temperature. 
10°C. 
0° 
0° 
0° 
9° 
Field Conditions. 
Gradual Rise. 
Time. 
0 min. 
109 = 
20M 
pie 
a0) 
By 
AOY ss 
Sudden Drop. 
Time. 
0 min. 
15 
D5 ima 
Soa 
Temperature 
inside bag. 
USC. 
iit? 
We 
Temperature 
inside bag. 
965C: 
29° 
42° 
43° 
48° 
52° 
53° 
Temperature 
inside bag. 
965C: 
Q5° 
13° 
5° 
ge 
