1907-8.] The Body-Temperature of Fishes, etc. 
79 
September 24, 9 to 10 a.m. 
Air, 13 o, 0 C. ; water, 11°'9 C. ; 23 sea-urchins examined. 
Number. 
Temperature. 
Difference. 
19 
4 
1T9 C. 
12-0 
0 ? 0C. 
Off 
23 
Mean, 11 ’92 
0-02 
September 24, 4 to 5 p.m. 
Air, 13 0, 8 C. ; water, 12 o, 0 C. ; 18 edible crabs examined. 
Number. 
Temperature. 
Difference. 
6 
12°0 C. 
0 ? 0 C. 
5 
12T 
0T 
4 
12-2 
0*2 
3 
123 
0-3 
18 
Mean, 12T2 
0-12 
September 25, 5 to 6 p.m. 
Air, ; water, 12°’4 C. ; 10 shore crabs and 12 edible crabs examined. 
Number. 
Temperature. 
Difference. 
Shore f ^ 
crabs | ^ 
12-4 C. 
12-5 
0 ? 0C. 
o-i 
12-6 
0-2 
10 
Mean, 1243 
0-03 
r 3 
12-4 
o-o 
Edible ! 3 
crabs j 5 
12-5 
o-i 
12-6 
02 
L f 
12-7 
0-3 
12 
Mean, 12'53 
0T3 
