TABLE E 
336 
I—continued. 
ORGANISMS PER CuBICcC 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.) 
8 
~ 
ns s 8 8 
wos 38 38 % 3 RS 
1898 me Ss | s3 gs s 8 5 
gS Bs Seo Ss gs £3 sé 
le) AAR so S [e) io} fo) 
a q w a a a a 
ans lidicn es! 500 0 0 0 700 0) 100 
Be Out sy 200 0) 0 0 1,380 ) 440 
LDS Se ee 6,579 0 0 0 4,788 ty) 462 
Rebe Siaoosee 300 0 0) 0 216 0 24 
SC Siar 400 0 0 0 320 0 0 
BSE Slices 5,600 0 ) 0 1,200 80 0 
a eee 0 ) 0) 0 3,285 0 0 
(Mare elise 1,200 80 0 0 804 0) 160 
LRG nee 800 0 ny) 0 3,080 40 10) 
GWG Soo 5 3,960 ) 0 0) 12,880 40 560 
come) Oe eae 4.000 40 40 0 19/440} 320 800 
CO) nu 3,200 100 ty) 0 22,180 160 360 
Nor’, oy Sister 1,100 300 200 0 34,560| 200 360 
ORS i ea 1,000 200 100 0 28'060| 320 320 
CEBU ore an 84,000 400 0 0 34,200| 200 400 
SED Geen, 38,400 3,200 fy) 0 56,800} 300 1,920 
Marya hee 278,400 9,600 ) 0 204,800 1) 2,800 
cc MONE Ee 91/600 38,400 0) 0 235/400| 400 5,600 
Cy filyfecey 56,800 17,600 | 3,200 0) 182,300] 1,600 8,500 
EL OV RE Te ork 9,400 600 200 0 167,080} 400 24/080 
been igre 12/000 1,000 0 ) 162,800] 440 51,480 
ijtimewiey eyacer. 11,200 200 0 0 | 438,800 | 1,600 136,000 
Bae Bae 13,600 0 0 0 211,400} ‘400 29; 200 
CM Ton ne 257.600 800 0) 100 83,100|} 200 2,300 
ee) Ole eine 51,200 800 0 500 45/600} 400 10,100 
[tis © See onion 47,200 400 | 0) 1,600 4,920| 440 640 
ee ah 16,800 1,600 400 1/200 1,620 60 360 
OF Vie ad 34,800 4'000 ty) 9/200 14,040 0 1,240 
AiG ee. 4,800 28/000 | 1,600 99,600 23,000 0) 9,960 
iSite mare 178,400 18,400) 1,600 30,400 22,160 40 10,520 
TP FOC ea 20,000 4400 | 1,200 4000 4,120 0) 1,080 
im ales abe a8 10,460 3,200 ) 22400 4,500} 800 1,320 
an 3 eee 35,200 4000. 0) 17/600 17,340 180 1,820 
st e3 Ose 7,200 6,400 | a) 14,400 27,080 0) 4,040 
Sen ten Gaia 0 0 0 0 9,080 ) 720 
Se ee eat 9,500 1,000 0) 5,000 24.720| 500 3,420 
ON dae 17,500 500 0) 5/500 21,880 0) 1,560 
BD ED is deg bee 38,500 14,400 | 3,200 19/200 99/300 0) 1,100 
Oct, 4 Cenee 0 1,500, 500 2,000 33,880 0 1,320 
cea ed hee eee 2,000 0) 0 2000 34,060 | a) 2000 
i Sho ateny 10,500 1,500} 500 500 25/640 0 2120 
Gt nea 783,000 500 0 0 26,020 0) 1/020 
Now. leer 29 ,000 0) 0 60 8,600 ) 120 
a eae 41/060 0 0 0) 15,080 0 0 
SS iS ee 60,000 0 0 0 13/100 0) 100 
toy) 66,000 0 | 0 0 13,920| 320 2,800 
EO ai No ced 500 500 500 ) 6,180 ) 80 
Deeley me 0 0 | 0 0 9,740 0 260 
SO 43) ee 800 0 | 0 0) 21,740 0 240 
OP beac 2,600 0 | 0 0 2440 0 400 
D7 ata 400 40 0 0) 6,800 0 280 
Average...... 31,620 3,147 255 4,524 47,042 191 6,241 
