THE TEMPERATURE OF LEAVES OF PINUS IN WINTER 45 
Table I. 
Calibration of Apparatus 
Junction A 
Temperature 
Junction B 
Temp. Diff. 
Bridge Reading 
in Cm. 
Displacement 
per Degree C. 
Temp. Diff. 
Average Dis- 
placement per 
Degree Temp. 
Difif. in Cm. 
Degrees C per 
Cm. Displace- 
Q.82° 
0 
— 15.40 
44.0 
7.99 
— 9.82 
15' 10 
e; 28 
/I2 T 
7 Q7 
0.1250° 
-9.81 
-15.00 
5.19 
41.5 
7.99 
8.00 
-7-30 
-14.85 
7-55 
60.7 
8.04 
— 7 t8 
— 14.7*^ 
7.52 
60.4 
8.03 
4.0/ 
— 10 dO 
O'OO 
44./ 
8.08 
—4.94 
— 10 00 
* 
5.06 
8.10 
— 9.92 
4.92 
in 8 
39-0 
8.09 
8.10 
0.1234 
— 9.68 
4-57 
37.1 
8.12 
9.65 
4.52 
8.12 
0 
- 6.52 
6.52 
53.6 
8.20 
0 
- 6.58 
6.58 
54-0 
8.21 
— 6.60 
6.60 
04.0 
8 2t 
— 6.60 
6.60 
54.2 
8.21 
8.22 
0 1216 
— t; 6t; 
K fit; 
46.5 
5'^o 
5.60 
46.0 
8.21 
~ 5.50 
5.50 
45-4 
0.^5 
C AC 
45.0 
8 2=; 
5.00 
0 
5.00 
41.6 
8.32 
5.00 
5.00 
41.6 
0.32 
5.00 
5.00 
41.5 
8.30 
5-07 
5.07 
8 28 
5.25 
5.20 
43.0 
8 28 
0.30 
0.1205 
5-4o 
5.4° 
45-4 
5.62 
4^-5 
7.70 
7.70 
8 '2/1 
0.34 
3.00 
3.00 
25.0 
0.33 
13.25 
10.00 
3,25 
27.6 
8 49 
13.52 
10.00 
3.52 
29.9 
8.52 
14.60 
10.00 
4.60 
39-2 
8.52 
14.61 
10.00 
4.61 
39-3 
8.52 
8.50 
O.II76 
14.67 
10.04 
4.63 
39-4 
8.51 
14.80 
10.14 
4.66 
39.6 
8.50 
13-33 
9.75 
3-58 
30.3 
8.46 
26.20 
18.61 
7.59 
65.8 
8.64 
26.20 
18.62 
7.58 
65.6 
8.64 
26.20 
18.62 
7.58 
65.6 
8.64 
26.20 
18.64 
7.56 
65.5 
8.66 
26.20 
18.64 
7.56 
65.5 
8.66 
8.65 
O.II56 
26.62 
18.68 
7-94 
68.8 
8.67 
27.27 
18.68 
8.59 
74.3 
8.64 
27.26 
18.71 
8.55 
74.0 
8.65 
27.95 
18.72 
9.23 
80.0 
8.67 
27.90 
18.72 
9.18 
79.5 
8.66 
