July 15,1925 Effect of Low Temperatures on Bruchus obtectus 
8 C 
id ' 
X DC 
186 ” 
O ° 
K- Q 
H§5” 
ig 
. 
DC 4° 
A 
• ( 
• 
• 
• 
• 
• • 
• 
• 
: ■ 
• 
• 
COEFFICIENT =+.779 
PROBABLE ERROR4053 
• 
• 
• 
6° 7° 8° 9° IOP 11° 
DEGREES OF SUPERCOOLING 
12 * 
13° 
r 
Q 
is* 
is 
0 0 5 ° 
o 
1- z 
Z 3 
5 °4' 
id 
DC 
B 
• 
• 
< 
• 
> • 
•• 
• 
• 
• 
i • 
• 
• 
COEFFICIENTS+.614 
PROBABLE ERR0R*±.084 
• 
> • 
8° 9° 10° 11° 
DEGREES OF SUPERCOOLING 
12 ° 
13° 
c 
-• - 
• 
• 
• 
• 
* • 
• 
’ • 
• « 
... m , 
► 
• 
• 
• 
• 
COEFFICIENT-+.890 
PROBABLE ERROR.i.028 
• 
• 
• 
DC 
DC 
D 
O 
O 
o 
3 
o 
CD 
Id 
oc 
5 
X 
£ 
7° 8° 9° 10° 11° 12° 13° 
DEGREES OF SUPERCOOLING 
14° 
173 
Fig. 2.—Relation between supercooling and rebound. A, adults; B, pupae; C, eggs 
59837—25f-6 
