The Distribution in the Upper Meter. 
418 
Table XXXVIII.— Typical catches with the pump from the entire depth. 
The numbers are stated in thousands per cu. mand give the rate of 
the population at the depth specified. 
Depth, meters. 
Temperature. 
Diaptomus. 
Cyclops. i 
Adult D. [hya- 
lina. 
«5 
A 
A 
§.s 
O' - * 
tH 
D. retrocurva. 
Diaphanosoma. 
Ergasilus. 
Total Crustacea. 
Nauplii. j| 
r 
0.1 
22.2^ 
1.5 
3.8 
9.3 
2.0 
16.6 
15.5 
0.5 
6.0 
12.0 
78.0 
10.5 
106.5 
27.0 
1 
21.8 
15.0 
15.7 
7.5 
44.5 
5.3 
5.3 
93.3 
19.5 
2 
21.6 
11.3 
16.5 
5.3 
8.3 
5.2 
5.3 
51.9 
55.5 
3 
12.5 
23.5 
8.0 
7.5 
3.5 
3.0 
58.0 
40.5 
4 
21.5 
3.0 
12.5 
4.3 
1.0 
1.2 
0.5 
22.5 
21.0 
6 
21.4 
3.5 
16.0 
7.5 
3.5 
3.5 
34.0 
50.2 
ii. 
Sept. 8, noon, 
8 
20.5 
2.8 
8.2 
2.2 
2.5 
C.7 
0.5 
16.9 
55.0 
-clear; lights. W.-{ 
10 
20 1 
1.8 
3.7 
1.2 
4.5 
1.0 
11.2 
135.0 
Fig. 33.’ 
11 
19.8 
0.9 
4.2 
0.9 
1.3 
0.2 
0.5 
8.0 
143.0 
12 
19.7 
3.8 
2.3 
2.8 
10.9 
225.0 
12,5 
0.3 
6.6 
1.4 
0.1 
0.2 
1.0 
10.2 
108.0 
13 
19.4 
2.1 
2.1 
22.5 
13.5 
16.6 
0.4 
0.4 
15 
14.3 
1 
f 
"23 
11.8 
0.02 
. 
26.5 
0.5 
9.0 
0.05 
9.55 
141.0 
0.10 
0.3 
2.1 
0.5 
2.9 
95.0 
0.25 
1.0 
3.2 
0.6 
4.8 
65.0 
0.5 
4.5 
6.0 
17.5 
2.0 
1.5 
31.5 
19.5 
0.75 
3.0 
5.0 
25.0 
3.5 
3.5 
40.0 
16.0 
1.0 
24.9 
8.5 
7.0 
2.5 
11.5 
10.5 
1.5 
41.5 
19.5 
1.5 
5.5 
18.0 
4.0 
7.0 
3.0 
1.5 
39.0 
18.5 
2 
23.8 
6.5 
24.5 
1.5 
3.5 
2.0 
1.0 
1.5 
40.5 
22.5 
i 
3 
22.2 
3.5 
22.0 
2.0 
0.5 
28.0 
33.5 
I. ! 
Sept. 13, 2 p. m.; J 
5 
21.8 
4.5 
22.5 
4.0 
3.0 
2.5 
36.5 
51.0 
clear, calm;pump. 
See Fig. 32. 
7 
21.3 
1.0 
17.0 
0.3 
0.1 
0.1 
18.5 
112.0 
9 
20.2 
0.5 
7.5 
2.0 
3.0 
13.0 
122.0 
11 
19.3 
1.3 
11.2 
1.0 
1.3 
14.8 
259.0 
13 
18.7 
0.2 
10.5 
0.9 
0.1 
0.5 
11.7 
246.0 
15 
17.8 
10.0 
0.1 
0.2 
13.0 
52.0 
16 
15.6 
0.3 
0.05 
0.05 
0.4 
2.0 
18 
13.2 
0.05 
0.05 
1 
. 20 
12.4 
