
325 
RABLE l= continwed. 
ORGANISMS PER Cuspic 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.) 













ca S 8 
2 3 & iS ES 8 S 
3 2 3 '§ aS 23 = 
8 S ace 38 als} S82 x's Ss 
1898 a ee 3s R85 ae ss ss | 85 
ss = 8 = & Se aS as ef | ss 
ps S:8 SS — $ ES = SOR SS eS RS 
oA =e & > & 38 & 88 ss of 3 is} 
Mfanselite set ..: 440,500 100 0 0 0 0 0 0 
El Fhe ee 32,800 100 200 0 0 100 0 0 
CG ii ee 66,338 387 387 387 1,161] 20,898 774| 1,935 
inoe eee 122,900 0 0 0 0 1,300 0 0 
MS at, 4,880 0 0 0 0 3,200 0 0 
CONES pai 34,880 800 0 800 800 0 0 80 
SOO a a 141,524 632 DE SPTP 12,636 9,477 3,159 0 0 
Mare dideccn i 11,200 400 0 400 400 400 0 0 
Soe ae 11,720 400 0 400 1,200 0 400 40 
URS IDG site 7,600 600 0 0 400 0 0 0 
ES ee 4,800 400 0 0 0 0 0 0 
em Ors. ada 61,400 400 0 200 0 0 0 0 
iit. See 700 100 100 100 0 0 0 0 
RID er: 3,520 300 200 0 20 100 0 0 
os (Oa eae 7,300 400 0 0 0 400| 400 0 
COS Ginn 6,720 0 0 0 0 0 0 0 
MaveusSin ech «2 26,000 0 0 0 400 0 0 0 
ae tO a. 49/800 0 0 0 1,600 0 0 0 
a TS eee 23,800 2,400 0 0 800 0 0 0 
Goya 9,320 600 0 0 200 0] 400 80 
ceo (Goa 8,920 400 0 200 0 0| 400 200 
umes <b a. ps 23,600 800 200 0 0 0) 0|- 3,200 
OAR ee 21,600 1,600 g00 0 0 0 0 | 0 
CO CS era 21,600 1,600 800 0 0 0} 800 0 
Dl Die Bee 37,000 goo 0 0 0 0 800 100 
Twi “Ses cdee 19,360 0 0 1,200 400 0} 400 400 
SM Daiat 3 26,000 800 0 | 800 200 0| 1,600| 1,200 
Cis TiC Ra eae 28,800 0 800 400 400 0| 400 0 
SEED Ola see. 4,800 400 400 0 0 0 400 0 
| 
ING 2) are ee 16,800 800 4,800 0 0 1,600 0 0 
aeons 5 7,280 0 1,600 0 400 1,600 40 40 
SIGs fio. 24,060 0 2,400 | 800 0) 800 0; 800 
OSS eee aan 36,800 800 5,600 | 0 | ) s00 0 0 
Los Oe aeet 23,200 800, . 5,600 0) 0 1,600 0 0 
Saft et eee 20,800 800 800 800 0 3,200 0} 1,600 
Jer ee 28 ,000 500 500 0) 0 6,000 0| 1,000 
came) Oe. 19,000 500 500 500 500 1,000} 1,500 500 
aD Tar: 59,200 1,600 1,600 0) o| 8,000 3,200 
Oats ee 912,580 0 40 | 0 40 | 500 500 | 0 
Coo. Tih oleae 9/000 0 1,000 | 0 0 0 0 0 
CR Ca ae 10,000 0 0 0 500 2,000} 1,000 0 
CE Oise aa 25,060 1,000 1,500 1,000 1,000 | 500 500 500 
Nichia Cee 32,060 500 | 1,000 1,000, 2,000 | 500 | 0 500 
RS he. 37,060 4,000 1,000 | 1/000 1,000 | 0 0} 1,000 
co a 42.000 1,000 0 5,000 4.000 | oO. 0 0 
Oth; Sah aba 190,400 0 0 2,000 4.000 6,000 | 0 0 
IDO. is: 3,400 0 0 0 500 500 0 0 
(Weer Gaieain. 121,000 0 0 | 0 0 1,000 0 0 
Cri es 600 0 om 0 0 600 0 0 
nO ONS. 1,040 40) 0 0 0| 1,000 | 0) 0 
SEO a eae 220 0 ) 0 0) | 0 0 
| 
Average...... 55,364 465 1,098 | 570 604 1,284 198 315 

