440 
Birge—The Crustacea of the Plankton. 
Table D.— Continued. 
Per cent, in each 3 
M. LEVEL. 
Av. 
Max. 
Min. 
0-3. 
3-6. 
6-9. 
9-12. 
12-15. 
15-18. 
1895. 
Jan. 1-15 .. 
Jan. 16-31 .. 
17.5 
15.9 
28.9 
22.9 
8.0 
13.3 
| 28.2 
23.1 
20.2 
17.4 
5.5 
5.5 
Peb. 1-14 l 
Feb. 15-28 5 
28.0 
47.7 
16.5 
22.6 
23.1 
21.3 
12.0 
10.5 
10.5 
Mch. 1-15 .. 
28.3 
55.6 
23.8 
Mch. 16-31 .. 
34.7 
70.5 
27.1 
22.7 
25.6 
20.0 
14.7 
9.3 
7.7 
Apl. 1-15 .. 
14.0 
23.5 
10.8 
28.1 
19.0 
13.5 
13.5 
12.9 
12.9 
Apl. 16-30 .. 
20.6 
52.7 
0.2 
32.7 
32.1 
13.3 
9.6 
5.5 
6.8 
May 1-15 .. 
34.4 
45.1 
17.2 
58.2 
22.6 
12.0 
3.3 
2.0 
1.9 
May 16-31 .. 
207.9 
284.2 
49.6 
61.5 
21.7 
11.3 
3.6 
1.1 
0.8 
June 1-15 .. 
285.0 
459.8 
178.1 
57.3 
24.1 
9.6 
3.3 
2.6 
3.1 
June 16-30 .. 
190.6 
396.9 
95.4 
51.1 
24.9 
14.9 
5.7 
1.3 
2.1 
July 1-15 .. 
187.4 
397.5 
105.5 
41.4 
30.1 
22.6 
4.8 
0.8 
0.3 
July 16-31 .. 
217.8 
366.3 
127.8 
31.1 
24.9 
36.5 
6.7 
0.5 
0.3 
Aug. 1-15 .. 
110.5 
169.8 
61.7 
47.2 
29.9 
13.8 
8.3 
0.5 
0.2 
Aug. 16-31 .. 
101.3 
264.5 
45.2 
45.3 
27.7 
19.2 
7.1 
0.5 
0.2 
Sept. 1-15 .. 
224.6 
311.6 
69.3 
40.4 
36.4 
18.4 
3.8 
0.8 
0.3 
Sept. 16-30 .. 
331.5 
586.3 
152.0 
40.3 
26.1 
15.8 
10.1 
5.4 
2.3 
Oct. 1-15 .. 
148.4 
323.1 
101.7 
27.4 
15 4 
15.6 
13.4 
17.2 
11.8 
Oct. 16-31 .. 
79.7 
115.1 
42.6 
22.1 
17.7 
14.8 
17.1 
14.5 
13.6 
Nov. 1-15 .. 
55.8 
71.8 
42.6 
13.2 
14.7 
19.3 
20.5 
20.1 
12.1 
Nov. 16-30 .. 
46.0 
54.1 
43.8 
12.8 
19.8 
16.6 
17.9 
17.5 
15.3 
Dec. 1-15 .. 
33.6 
47.1 
22.8 
13.1 
20.0 
23.3 
20.8 
13.1 
9.5 
Dec. 16-31 .. 
58.0 
67.4 
22.8 
25.2 
21.4 
13.7 
20.8 
12.1 
6.8 
1896. 
Jan. 1-15 .. 
48.6 
62.9 
40.0 
26.2 
24.0 
21.9 
9.9 
9.3 
8.7 
Jan. 16-31 .. 
23.3 
34.3 
22.8 
25.4 
16.2 
20.7 
20.7 
14.0 
3.0 
Peb. 1-14 .. 
38.9 
57.5 
27.3 
28.0 
24.4 
11.9 
14.0 
14.6 
7.0 
Feb. 15-29 .. 
34.9 
33.0 
16.3 
16.4 
14.4 
10.8 
9.1 
Mch. 1-15 .. 
24.1 
16 0 
20.0 
18.3 
11.7 
10.0 
Mch. 16-30 .. 
33.3 
38.8 
26.7 
19 0 
14.6 
23.4 
30.7 
6.0 
6.3 
Apl. 1-15.. 
35.2 
43.4 
21.6 
26.2 
24.0 
21.9 
9.9 
9.3 
8.7 
Apl. 16-30 .. 
29.9 
66.7 
9.5 
16.3 
28.3 
19.6 
19.6 
10.9 
5.3 
May 1-15 .. 
102.3 
388.5 
38.2 
48.2 
31.3 
17.7 
1.8 
0.9 
0.1 
May 16-31 .. 
360.2 
645.5 
227.6 
38.2 
22.4 
18.5 
10.6 
6.1 
4.0 
June 1-15 .. 
343.5 
740.9 
152.6 
67.9 
23.7 
5.6 
1.8 
0.4 
0.6 
June 16-30 .. 
386.2 
725.6 
103.0 
69.9 
22.9 
5.0 
1.6 
0.2 
0.3 
July 1-15 .. 
202.9 
319.2 
178.7 
49.0 
28.0 
16.0 
5.4 
1.3 
0.3 
July 16-31 .. 
152.1 
222.6 
93.4 
62.6 
23.2 
9.6 
4.0 
0.3 
0.1 
Aug. 1-15 .. 
Aug. 16-31 .. 
Sept. 1-15 .. 
Sept. 16-30 .. 
Oct. 1-15 .. 
91.9 
65.0 
24.8 
8.8 
1.0 
0.2 
0.0 
167.0 
31.8 
37.4 
13.6 
15.7 
1.2 
0.0 
125.9 
37.2 
28.2 
21.6 
7.5 
3.1 
2.3 
163.4 
30.1 
22.8 
13.0 
9.3 
11.2 
13.5 
52.8 
25.2 
19.8 
12.6 
10.8 
22.6 
9.0 
Oct. 16-31 .. 
48.8 
39.0 
20 6 
15.6 
14.4 
7.8 
2 6 
Nov. 1-15 .. 
29.8 
28.9 
18.5 
23.6 
11.5 
17.5 
0.0 
Nov. 16-30 .. 
28.5 
15.6 
18.7 
6.3 
21.9 
15.6 
21.9 
Dec. 1-15 .. 
29.3 
19.3 
30.0 
3.9 
19.2 
14.5 
13.1 
Dec. 16-31 .. 
24.7 
23.1 
27.0 
20.7 
11.6 
9.2 
8.4 
