ghee) opel ge 3 
oe 
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} * 
8 Sms) = 4 “2 
= Ss 3 Ss 82 82 
“3 SS peed sat Ran SS 
1898 = sR SS Sk Ss 3s 
aS <8 LR Ste =S 3 
ms) S38 SS SS ws 80 2 
8 ae SS S38 S§ es 
a =e 1S) =) & & 
fans die. 2 239,580 146,280 0 0 0 10,000 
OTe ed 49,003,100 1,200 3,000,000 | 12,000,000 0 0 
ee She erat 3,774,901 10,620 0) 0 (0) 29,025 
1Aaoy5. | Staeoleoe 9,268,530 5,500 0 120,000 3,180 11,250 
oo ar Tea BE 7,464,880 17/200 0 60,000 0 
no a |) eee a 29,266,000 12,000 7,200,000 200,000 0 0 
ae ee 21,911,653 0 0| 14,400;000 0 78,975 
Mieies oilers. 8 11,850,400 0 0} 3,600,000 | 0 10] 
CHA et Nal 9}080;800 0 0 0 0 0 
ee TIS 24,342,400 3,200 8,100,000} 4,500,000 3,000 130,000 
a 42'589'120 57920} 16,5200;000 0 0 161,600 
AOR ae 18,693,300 17,000 10,800,000 0) 0 72,500 
/ Nog, Waatogs nets 8,760,120 42,320 900,000 60,000 0 15,600 
erie ani 36,990,300 170/500} 22,500,000 0 19,920 40/000 
Spue LOter. cer 8 | 794,044,320| 24,059,000) 725,400,000 0 19,920 40,000 
eS eee 3,453,778,080 891,648,000 2,880,000,000} 1,800,000 374,080 200,000 
a 2,583,832,560 197,683,200| 891,000,000) 18,000,000 924,800 390,000 
Pea bas 3,865.257.360| 27,175,680 |2,668 ,000,000 | 10/800/000 | 14,469'120| 255,960,000 
mepamlidere in 1,795 ,608,400 | 19,699,200 |1,260,000,000 | 14,400,000 388 ,800 4,110,400 
Rant seer 43 ,487 ,480 15,080 18,000,000 1,800,000 0 1,504,800 
Cook a oe 138,879,370 362/880} 88,200,000} 1,800,000 0 587,450 
[enter 182,162,000] 3,283,200} 55,800,000 0 0 434,000 
em A RA AS cece 1,039 ,619,680 336,194,880 46,800,000 10) 10) 404,000 
ME yah eeeaere 340,702,200 100,320 0 10) 0 199 ,800 
Cree aD Baye 350,220,000 34,560} 291,000,000) 1,800,000 0 220,000 
iced hig” Ae eae 135,090,000 3,840 50,400,000 1,800,000 0 50,000 
Bae ON he i 127/576,000 0| 72°000;000 900/000 0 120,000 
pe LO he one 788,521,600 0} 561,600,000; 3,600,000 0 0 
BOG wire 4 87,702,400 0 63,000,000 0 0 
DNs | Be ee 111,750,400 4,800 54,000,000 0 0 0 
Dif Gye eae 443/526 ,000 1200| 401/400,000| 3,600,000 0 0 
ie Gooey ts 115,018,656 10) 97,200,000 0 0 0 
a OS oe he 180,994,200 0; 122,400,000 0 0 10) 
es0i o-2 209/793 ;200 2,400| 93'600,000| 2,700,000 0 0 
Sept, Gaccscs 186,870,800 0} 115,200,000 0 0 0 
ONY ocean 167,208 /500 0} 66,400/000 0 ny) 6,000 
ere OE ie 2 87,481,000 0 3,600,000 10) 10) (6) 
Si Body (a eer 215,018,800 0 57,600,000 0 10) 0 
Och, 4... 131,418,900 0| 37,800,000 0 0 0 
Hee Ria eee 46,930,350 0 7,200,000 0 0 75,000 
Coie Ie mee ae 58,436,500 0 3,600,000 0 0 0 
STD De x mia 130,532,250 0 25,200,000} 3,600,000 10) ozo 
itv tees: 54,477,175 2,000} 14,400,000} 3,600,000 0 406,125 
- Bye ees 72,584,120 6,000 18,000,000, 7,200,000 0 609 ,000 
a eee 132'556,500 0| 18/000;000) 5/400;000 0 1,866,500 
erat: 295'111,500 0} 180007000} 9/000'000 0 11711,500 
me Oe to hee 218,309 ,400 0; 151,200,000 0 0 2,254,000 
WGI peOcresacke 308,149,750 6,000} 287,200,000 900,000 0 243,750 
icedd: te meee ag 864,280,915 31240} 811;000;000 0 0 75.625 
Cas: (ea et 332,305,000 10'500| 302,400,000 900,000 0 105,000 
1 ape 239,550,800 800} 225,000,000 0 0 20,000 
Average...... 396,192,727 | 28,860,160} 243,659,615 2,471,923 311,593 5,234,484 
