Lagoon Plankton — GilmArtin 
315 
TABLE 1 (Continued) 
Abundance of Plankton Constituents by Haul 
A = abundant, 5 per cent or more by number; C = common, 1-5 per cent by number; 
S = scarce, less than 1 per cent by number 
Plankton Haul and Date 
April 4 
Nov. 10 
Nov. 
13 
Dec. 26 
Dec. 
29 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
Sapphrina sp. 
S 
s 
s 
S 
Scolecithrix danae 
s 
Tort anus gracilis 
S 
Undinula vulgaris 
C 
S 
S 
s 
s 
C 
C 
S 
s 
O 
C 
S 
s 
Amphipoda sp. 
s 
S 
S 
S 
S 
s 
s 
s 
s 
Isopoda sp 
s 
Mysidacea sp. . . 
s 
Euphausiacea sp 
s 
s 
s 
S 
s 
Stomatopoda 
sp. larva 
S 
s 
S 
s 
S 
s 
s 
s 
S 
s 
s 
Decapoda 
Macrura larva 
s 
S 
s 
S 
s 
S 
S 
s 
s 
s 
s 
c 
s 
S 
Anomura larva 
s 
s 
s 
s 
Brachyura zoea 
C 
S 
s 
s 
s 
S 
A 
A 
c 
A 
A 
A 
A 
c 
s 
s 
s 
A 
A 
S 
Chordata: 
Oikopleura sp 
A 
A 
A 
A 
A 
A 
s 
c 
s 
s 
A 
s 
s 
C 
c 
Salpa sp 
S 
S 
S 
s 
S 
Thalia democratica 
s 
fish eggs 
s 
S 
S 
s 
s 
s 
s 
s 
s 
s 
S 
s 
c 
c 
c 
A 
A 
c 
c 
A 
Goby eggs 
s 
s 
s 
s 
s 
A 
c 
c 
c 
A 
fish larva 
s 
S 
s 
s 
s 
s 
s 
s 
s 
s 
S 
S 
s 
s 
o 
Monocanthus sp. larva 
s 
12 3 4 
NOV. 4,1955 
5 6 7 8 9 
NOV 10. 1955 
10 II 12 
NOV 13, 1955 
13 14 15 16 
DEC. 26,1955 
17 18 19 20 21 
DEC. 29,1955 
PLANKTON HAUL AND DATE 
Fig. 2. Relative plankton constituents. 
