NORTHWESTERN LAKES OF THE UNITED STATES. 
133 
Table 12 — Analysis of net plankton of lakes examined — Continued. 
SWAN LAKE, WASH., AUGUST 14, 1913— Continued. 
Protozoa. 
Blue-green 
algse. 
D 21, 100 
M 211,000 
C 42,200 
M 42,200 
C 21, 100 
M 42,200 
N 21, 100 
C 21, 100 
M 63, 300 
Copepoda. 
Nauplii. 
9-12. 
12-15. 
15-18. 
18-21 . 
C 1, 010 
C " 3, 730 
29,230 
'23,' ’470" 
"s'ioo’ 
’27, ’216' 
LAKE TAHOE, CALIF., JULY 22, 1913. 
1,120 
200 
100 
N 200 
N 100 
N 100 
100 
100 
N IOC 
N 100 
N 200 
50 
N 50 
'ii 56' 
0-10.. 
10-20. 
20-30. 
80-100. 
100-200. 
200-300. 
300-400. 
400-500. 
6,220 
3,370 
1,630 
5,500 
4,180 
3,060 
1,780 
’i,' 2 io' 
***5io" 
10 
25,320 
6,330 
6,330 
50,640 
94, 950 
196, 230 
12, 660 
6,330 
549, 840 
25,280 
575, 120 
6,330 
338, 940 
5,040 
2,520 
68, 670 
25,200 
630 
17, 120 
LAKE TAHOE, CALIF., JULY 23, 1913. 
5a.m.. 
10 a. m. 
' 4p.m.. 
9p.m.. 
5 a. m.. 
10 a. m. 
14p.m.. 
9p.m.. 
5a. m.. 
10 a.m. 
l4p. m.. 
9 p. m.. 
5a.m.. 
10 a. m. 
4p.m.. 
9 p. m_. 
5a.m.. 
10 a. m. 
14p.m.. 
9p.m.. 
5 a. m . . 
J 10 a. m. 
4p.m.. 
9 p.m.. 
5 a.m.. 
*' 4 p.m.. 
9 p. m.. 
5 a.m.. 
.1 10 a.m. 
1 4p.m.. 
9 p. m.. 
2,650 
2,060 
9,580 
15, 310 
6,530 
11,020 
2,440 
3,270 
3,470 
9,800 
3,670 
2,240 
10^000 
2,240 
2,440 
3,570 
3,470 
2,240 
2,040 
1,020 
2,040 
