TAB LE 
oul) 
I—continued. 
ORGANISMS PER CuBIc METER IN PLANKTON OF ILLINOIS RIVER IN 1898. 
(An asterisk at head of column indicates that all entries in it are based on 
filter-paper collections.) 
iS 2 S 
g §§ § § = 8 
1898 Sy = $8 $8 = 3 8 
S% a se Ss Ss S'S = 
38 BS B® BS aS Sa Gs 
8 00 88 3% SS S& ON 
Y a 8 S S H - 
Matta, See eects 40,000 0 0) 0) 10) 0) 123,518,320 
pA ates 10) 80 6) 0 80 0) 36,316,000 
Ay etter (0) 6) (0) (0) 0 16) 43,464,482 
ngs See 0 100 0 0 100 0} 21,691,300 
y One sito cai 60,000 80 0 0 80 0 6,096,160 
Scie BiG Seat 3,600 , 000 400 0 (0) 400 (0) 19,093 ,280 
be SL Diete nae 0 0 0 0 (0) 0 44,060,478 
Mars ie <5 900,000 0 0 0 0 0| 11,727,360 
4 Bees 3,600,000 40 0 O 40 0 2,516,240 
Mh WO se8 2,480,000 1,000 400 10) 600 200 22,368 ,600 
ie EA ess 13,620,000 600 200 (0) 400 0) 29,817,200 
eX) Eee oie 4,200,000 1,000 0 | 400 600 0) 7,169,620 
JNO OSTeNG nae ae 2,340,000 440 40, 100 200 0) 15,052,540 
Spee LON Saas 4,500,000 300 | 200 | 100 0 6) 29,011,320 
pel Opes ake 23,580,000 1,200 0) 800 400 0) 39,856,000 
Oe DI \ee eee 82,800,000 3,200 (0) 0 3,200 0 94,337,920 
MEWS) areas 240,000,000 3,200 3,200 0 (0) 0} 1,081,381,200 
Po OS emer 813,600,000} 1,800,000 0) (0) 0) 0) 222,233,400 
a daly ich emus 367,200,000 3,000 800 1,600 800 0) 252,834,800 
Py ae are 1,800,000 7,200 1,000 200 6,000 (0) WAL iS SAO) 
XS ones} epee 37,800,000 62,200 400 (0) 1,800 (0) 31,584,920 
eames 670.6 2..5. 17,100,000 | 1,200 800 0 400 0| 27,679,000 
aA. ao. 21,600,000 2,000 200 (0) 1,800 (0) 49 ,614,800 
Be Odie st. 79,200,000 1,100 800 G 300 0| 230,167,200 
Ee Sion Os go 2 5,400,000 800 10) (0) 10) 0 191,626,440 
Wnaliy © OF sce. Syere 1,800,000 800 0 0 0) 400 78,477,400 
NW eee 5,400,000 (0) 0) (0) (0) 0) 49,852,520 
Senile eee | 39,600,000 1,200 400 800 (0) 0) 295,478,560 
SS) OAS eee 900,000 60 60 0 0 0 121,362,600 
PIO} a Danie) 6 eves 0 40 40 0 0 0 112,224,400 
€ OF pint 10) 80 80 10) 0 0 566,013,480 
gt 16.02 tes 5,400,000 120 60 0 60 0 166,746,460 
Sa ceo (0) 0 (0) 0 0 O 129,617,660 
BE PSOS I oo 2: 6,300,000 240,200 120 0 80 0} 95,553,600 
EPter Ol xu. 58 3,600 , 000 2,400 2,400 0 0) 0) 137,009 ,680 
OS eae 7,200,000 1,060 500 300 60 0| 50,995,120 
CO ZU eck 16,200,000 120,620 500 2,500 120 0 65,106,000 
AN ee 1,800,000 6,800 200 6,400 200 0| 46,830,100 
Mets We. 2% 42,300,000 241,000 0 1,000 500 500| 49,825,580 
Hoes i eae ae 1,800,000 1,160 80 1,000 80 0 15,982,080 
Me PUB arose 13,500,000 160 80 0 80 0 19,122,540 
BOs ies 27,000,000 500 500 0 0 0 6,776,060 
INOWs, Wises ieee, 5,400,000 9,500 2,500 500 6,500 500 26,343,120 
ee 16,200,000 2000 1,000 0} 1,000 0} 15,566,060 
em Ora cae 37,800,000 1,100 1,000 (0) 1,000 (0) 36,542,100 
SMA Dias era 23,400,000 200 10) 0 2,000 (0) 24,435,040 
he eae 30,600,000 0 500 0 20 0| 74,444,400 
DEG: Gee a4... 8,100,000 520 (0) 0) 0 0 57,242 ,080 
i ee ae 27 ,000 , 000 0 0 6) (0) (0) 149 ,284,900 
PAU Serie 5,400,000 (0) 0 0 0 0 116,833,160 
SED ok a 10,800,000 200 200 0 0 0| 68,456,620 
Average...... 39,639,231 48,456 348 305 556 31| 102,220,941 
