NORTHWESTERN LAKES OF THE UNITED STATES. 
123 
Table 12. — Analysis of net plankton of lakes examined — Continued. 
BEAR LAKE, IDAHO, AUGUST 8, 1912. 
Depth, meters. 
Cladocera. 
Copepoda. 
Nauplii. 
Rotifera. 
Protozoa. 
Blue-green 
algae. 
Green algae. 
Diatoms. 
0-5 ;... 
E 1, 190 
5-10 
10-15 
20-25 
27J-32J 
42J-47J 
50-55 
es: 
E 2,260 
E 2, 910 
E 400 
E 1,060 
E 530 
Ca 1, 190 
E 660 
800 
130 
2,790 
P 130‘ 
P 390 
*C***‘i5,*696* 
Coe 7,* 850* 
F 7, *850 
CALVERT LAKE, WASH., AUGUST 23, 1911. 
0-2 
176,000 
90,900 
6,400 
67,500 
27,300 
9,300 
111, 800 
106,500 
41,500 
1, 560, 000 
215, 500 
201, 300 
1 3, 372, 000 
1 2, 743, 000 
1 6, 000, 000 
6 - 8 ...... 
10-12 
LAKE CHAPLAIN, WASH., AUGUST 26, 1913. 
(B 2,720 
D 670 
Di 670 
H 340 
JB 340 
ID 670 
C 5, 440 
E 1, 010 
7,480 
N 340 
P 23, 810 
An 42,200 
C 63, 300 
A 21, *i66 
C 42*200 
N 84,400 
3-8 
C 3,400 
23,000 
N 4,060 
P 5, 770 
A 1, 010 
N 670 
P 670 
M 84,400 
M 63,300 
6-9 
C 1, 010 
41,840 
M 105, 500 
M 42,200 
9-12 
340 
LAKE CHATCOLET, IDAHO, AUGUST 22, 1912. 
0-5 
fDI 530 
C 4,770 
D 17, 770 
2,390 
As 130 
M 2, 390 
P 3,450 
A 260 
As 130 
M 130 
N 260 
P 5,440 
C 25,300 
D 126,500 
An 126,500 
Aph 126,500 
M 430,000 
M 405,000 
A 354,000 
F 50,000 
T 76,000 
F 50,000 
T 50,000 
5-10 * 
jbh 400 
C 660 
D 4,770 
8,980 
Dh 300 
LAKE CHELAN, WASH., AUGUST 10, 1911. 
0-5 
5-10 
10-15 
25-30 
40-50 
90-100 
190-200 
1,500 
400 
900 
100 
200 
2,800 
14,200 
18,600 
9,100 
5,900 
800 
4,300 
200 
400 
2,100 
10,000 
1,500 
4,400 
9,200 
4,300 
> 137, 200 
1 L600 
290-300 
390-400 
450-458 
700 
700 
0-5... 
5-10.. 
10-15. 
15-20. 
25-30. 
35-40. 
75-80. 
LAKE CHELAN, WASH., AUGUST 11, 1911. 
3,400 
”'306' 
22,300 
20,400 
5,700 
1300 
160,500 
172,000 
1 53,300 
1700 
1100 
1 400 
1 Includes both blue-green and green algae. 
Also 660 Corethra larvae. 
