Appendix—Statistical Tables. 
439 
Table C.—Continued. 
Av. No. 
Per cent, in each 3 m. level. 
0-3. 
0-6. 
6-9. 
9-12. 
12-15. 
15-18. 
May 16-31.... 
1,901.3 
27.9 
16.7 
16.5 
13.3 
11.4 
14.1 
June 1-15_ 
844.8 
53.0 
19.4 
8.5 
6.7 
3.6 
8.6 
J une 16-30_ 
1,265.0 
54 7 
23.1 
9.5 
5.3 
4.1 
3.2 
July 1-15_ 
1,314.2 
48.9 
28.7 
12.1 
5 3 
4.4 
0.6 
J uly 16-31_ 
776.5 
48.4 
29.2 
18.1 
3.7 
0.3 
0.12 
Aug. 1-15_ 
960.4 
54.2 
27.4 
14.2 
3.7 
0.4 
0.0 
Aug. 16-31_ 
1,073.3 
33.4 
33.1 
17.5 
13.9 
1.8 
0.1 
Sept. 1-15_ 
1,440.9 
31.3 
23.3 
17.7 
14.7 
9.8 
3.0 
Sept. 16-30 ... 
1,112.3 
28.6 
16.2 
13.4 
13.9 
15.3 
12.4 
Oct. 1-15.... 
1,368.4 
23.0 
18.4 
17.8 
14.0 
13.4 
13.1 
Oct. 16-31.... 
1,314.8 
43.9 
15.2 
11.7 
9.6 
9.7 
9.9 
Nov. 1-15_ 
684.8 
24.6 
20.7 
13.5 
16.1 
12.7 
12.4 
Nov. 16-30_ 
537.7 
29.5 
16.8 
14.0 
15.8 
12.8 
11.1 
Dec. 1-15_ 
365.8 
18.0 
25.7 
11.0 
16.6 
14.9 
15.8 
Dec. 16-31.... 
285.0 
15.4 
29.0 
23.1 
10.8 
10.8 
11.0 
TableD. — Diaptomus. Average , maximum , and minimum numbers. 
Percentile vertical distribution. 
Per cent, in each 3 m. level. 
Av. 
Max. 
Min. 
0-3. 
3-6. 
6-9. 
9-12. 
12-16. 
15-18. 
1894. 
July 1-15 .. 
242.2 
290.6 
178.0 
48.9 
31.6 
15.6 
3.1 
0.4 
0.4 
July 16-31 .. 
298.9 
553.3 
155.8 
53.6 
31.2 
13.0 
2.1 
0.07 
0.06 
Aug. 1-15 .. 
218.7 
394.3 
126.5 
45.5 
26.8 
20.9 
6.5 
0.2 
0.1 
Aug. 16-31 .. 
Sept. 1-15 .. 
87.4 
117.9 
43.8 
49.7 
27.6 
17.4 
5.0 
0.2 
0.1 
Sept. 16-30 .. 
54.6 
84.5 
10.8 
58. i 
20.4 
1.2.2 
8.0 
i.o 
0.3 
Oct. 1-15.. 
67.2 
92.8 
38.9 
38.5 
23.2 
13.1 
11.4 
10.1 
3.4 
Oct. 16-30 .. 
38.3 
72.0 
3.6 
25.4 
20.3 
17.2 
14.7 
15.9 
6.3 
Nov. 1-15.. 
Nov. 16 30 .. 
44.0 
95.4 
26.0 
28.6 
17.6 
16.1 
16.9 
13.0 
7.8 
Dec. 1-15.. 
Dec. 16-31 .. 
23.9 
16.7 
43.2 
16.5 
?28.2 
15.2 
12.5 
13.0 
16.2 
14.9 
