57o 
Balls . — Temperature and Growth. ■ 
Standard Culture. Curve i. 
Standard culture : see Curve i. 
24/4/1907. 100 % fresh medium. Stored overnight at 20° C. 
Set up 10 a.m. Pure oxygen. Galvanometer zero at 30 mm. 
Lamp put in to begin heating at 11.57 a - m - 
Readings of micrometer eye-piece scale in length-units 
(Columns 2, 3, 4, 5). 
I 
Time. 
2 
Control 
Point. 
3 
End of 
Hypka. 
4 
Length 
under 
Observa- 
tion. 
12.0 p.m. 
3 
26-9 
23-9 
1 
— 
28 
25 
2 
2.7 
29 
26.3 
3 
2.3 
29-8 
27-5 
4 
2.7 
3U2 
28-5 
5 
2-5 
32-3 
29-8 
6 
2.2 
33-3 
3 i-i 
7 
2 
34-3 
3 2 *3 
8 
2 
35*6 
33-4 
9 
— 
36-8 
34 ' 6 
10 
2-3 
38.2 
35-9 
11 
— 
39-4 
37 ,r 
12 
— 
4°-5 
38-2 
13 
— 
4 i-S 
39-5 
14 
2*2 
43-2 
4 i 
15 
— 
44-7 
42*5 
16 
— 
45-8 
43-6 
T 7 
no 
3 i 
20 
18 
— 
32-3 
21.3 
19 
— 
33-8 
22-8 
20 
— 
35 - 1 
24.I 
21 
— 
36-8 
25-8 
22 
— 
38.2 
27.2 
23 
— 
39-8 
28.8 
24 
— 
4 J *4 
3O.4 
2 5 
— • 
43 
S 2 
26 
— 
44.8 
33*8 
27 
— 
46.4 
35-4 
28 
— 
48 
37 
29 
9.0 
18.0 
9.0 
30 
— 
J 9'3 
10.3 
3 i 
— 
20.3 
n.3 
32 
— 
21.4 
12.4 
33 
— 
2-3 
13-3 
34 
— 
23-3 
I 4 , 3 
35 
• — 
24.4 
15-4 
36 
— 
25-3 
16.3 
37 
— 
26.3 
17-3 
38 
— 
27 
18 
39 
— 
27.2 
18-2 
40 
— 
27.4 
18.4 
41 
— ■ 
— 
— 
5 
6 
7 
Growth per 
Minute [by 
difference). 
Temperature 
of Bath. 
Reading of 
Galvano- 
meter. 
1. 1 
23 - 3 ° C. 
29! 
1 ’3 
i -3 
24-6 
34 
1.0 
— 
3 i 
i *3 
— 
28 
i -3 
— 
— 
1*2 
I - 1 
26.5 
332 
1-2 
— 
3 i 
1-3 
1.2 
I - 1 
— 
28 
27 - 5 
3 °i 
1-3 
— 
— 
15 
28.5 
32 
i *5 
1. 1 
— 
29 

29.4 
32 
!-3 
] • K 
— 
2 9 s 
J 0 
i -3 
3 1 ’ 1 
Z'h 
i -7 
1.4 
i-6 
— 
2 9 s 
32-6 
34I 
i-6 
32-5 
3 °! 
i-6 
— 
27 
1.8 
— 
— 
i*6 
345 
38 
1.6 
34-4 
36 
— 
34-3 
34 
i *3 
34-2 
3 's 
1*0 
i*i 
34-2 
2 9 s 
•9 
1-0 
36.0 
36 
i-i 
— 
33 
•9 
35-9 
30 
•7 
37 -° 
3 i| 
• 2 
36-9 
29 
• & 
•o 
38.1 
3 i| 
of *003 mm. 
8 
A T otes. 
New control. 
New control. 
Opened lamp. 
