300 BULLETIN OF THE BUREAU OF FISHERIES 
Percentages of the several species of copepods in vertical hauls, February to May, 1920, identified and 
tabulated by Dr. C. B. Wilson— Continued 
20072 
20073 
20074 
20075 
20076 
20077 
20078 
20079 
20080 
20081 
20083 
20085 
20086 
20087 
20088 
March 
—Continued 
13 
17 
19 
19 
19 
19 
20 
22 
22 
22 
23 
23 
23 
24 
24 
75-0 
70-0 
150-0 
90-0 
200-0 
800-0 
110-0 
210-0 
60-0 
200-0 
65-0 
60-0 
170-0 
250-0 
75-0 
VERTICAL NET 
Acartia clausi 
10 
2 
15 
5 
40 
2 
Acartia longiremis 
5 
10 
5 
8 
2 
1 
1 
32 
30 
30 
55 
50 
30 
55 
50 
45 
75 
50 
50 
75 
25 
50 
30 
5 
10 
10 
15 
10 
5 
5 
2 
15 
10 
Candacia armata 
1 
Centropages bradyi 
1 
Centropages hamatus 
2 
T 
5 
10 
4 
5 
5 
5 
10 
10 
Eurytemora herdmani 
2 
Gaidius tenuispinis 
1 
1 
7 
10 
6 
15 
20 
20 
10 
5 
5 
15 
7 
15 
20 
Metridia lucens 
25 
35 
6 
15 
10 
10 
10 
15 
10 
5 
20 
10 
20 
5 
Paracalanus parvus 
5 
6 
4 
4 
6 
15 
5 
10 
10 
10 
20 
10 
15 
6 
10 
T 
T 
T 
10 
Temora turbinata 
5 
5 
4 
T 
2 
Number of adult cope- 
pods per square meter 
of sea surface (approxi- 
mate) 
1,250 
100 
5, 000 
1,000 
2, 300 
25,000 
1,250 
375 
5, 000 
250 
500 
8,750 
27, 750 
4,750 
/ 
