0 C.c 
42-4 
3 
2 
1 
42-0 
9 , 
3 
7 
41-6 
( 
° 0 . 
30 
27 
24 
21 
18 
15 
12 
9 
6 
3 
0 
Ins. 
29-6 
4 
2 
29-0 
8 
6 
4 
28*2 
% 
60 
54 
48 
42 
36 
30 
24 
Proceedings of the Royal Society of Edinburgh. 
[Sess, 
CHART VII. 
r s curves of mean rectal temperature of hens in Pens I., II., and III. Observations made on 
all on same day between 1.30 and 4.30 p.m. 
1909. 1910. 1911. 
