322 
TAN Belgas, 
ORGANISMS PER CuBic METER IN PLANKTON OF ILLINOIS RIVER IN 1898. 
I—continued. 
(An asterisk at head of column indicates that all entries in it are based on 
filter-paper collections.) : 





E = S. iS} “3 xX 
é * = = ss SS 7S 
1898 8.8 8.2 3s 8 2 & 2% 
g8 s8 = 38 58 Ss 3% 
ws Ss as e8 = &s &§ 
SS SS S 
es ey G G S 4 4 
Janata. 0 0 0 80,000 0 0 0 
ile ON bah 0 0 0 0 0 100 0 
(C DGs asec 0 0 0 0 0 0 0 
Rebs 0) 0 0 0 0 0 0 
Tc ee ace 0 0 0 0 0 0 0 
BMG anes 0 0 0 0 0 0 0 
<1 Tenens 0 0 0 0 0 0 0 
Wikim, toaeceas 0 0 0 0 0 0 0 
cee Oi ee 0 0 400 200,000 0 0 0 
coats ear: 200 0 200 240,000 0 0 0 
by eke 400 0 0 4,260,000 0 0 0 
7 OMe 0 0 0 240,000 0 0 e 
Apr Sen aon 0 0 0 240,000 0 200 0 
CE OMe 0 0 0 120,000 0 200 0 
IOS ase od 400 0 1,200 240,000 0 800 0 
OY sc 3,200 360,000 0 0 0 0 0 
Mem Bcusace 0 120,000 0 0| 22,400 0 0 
Ee NOson ace 0| . 120,000 0 0 200 0 0 
a Ge See 0 3,600,000 0) 90,000 300 0 0 
Be 0 630,000 0 0 0 200) 1,800,000 
COT Chas Sahay 0 60,000 0 0 0 400 0 
tine: Fe cae en 0 0 0 900,000 0 0 180,000 
Ee Ws eaters 1,600 2,700,000 0 60,000 0 300 420,000 
ON on 3,200 7,200,000 0 7,200,000 0 2,400 240,000 
DDS So sna 0 900,000 0 0 0 5,600 0 
Vek? “Sooacce 0 120,000 0 0 0 1,600 0 
Cas Ig) sd 0 2,700,000 0 0 0 800 0 
Le. aooe 2,400 3,600,000 0 7,200,000 0 4,400} 3,600,000 
CO Ye i sece 3,200) 14,400,000 0 2,700,000 0 30,000 900,000 
Ae Doasanc 1,600 7,200,000 20,000! 12,600,000 0 50,400 360,000 
Oy Sa ce 4°800 7,200,000 400} 25,200,000 0 6,400} 3,600,000 
GAGs coe 5,400,000 0 5,400,000 0 300 720,000 
OR Di heat 4,800 4,500,000 0 0 0 14,400} 3,600,000 
BOs cosa 8,000 2,700,000 800 900,000 800 43,200 900,000 
Sept. 6...... 800 3,600,000 0 900,000 0 11,200 240,000 
coasts gene 1,000 1/800/000 0 0 0 1,000 0 
BDV sone 3,000 0 500 120,000 0 5,000| 1,800,000 
a) 6,400 1,800,000 0 0| 3,200 8,000 480,000 
Oct ne ee: 0 6,300,000 0 0 0 2,500) 1,800,000 
OWN econ 0 120,000 0 0 0 2,000 0 
cL oe ee 0 0 0 ) 0 500 120,000 
Os 0 0 0 0 0 ) 0 
INOVAeLineeienre 0 0 0 0 0 500 0 
Sig Sty Og 0 0 0 0 0 0 0 
GG mace 0 0 0 0 0 0 ) 
OD eee 6 0 0 0 0 0 0 0 
BG) na: 0) 0 0 0 0 0 120,000 
Deca 62. 0 0 0 0 0 0 0 
Cee ewe 0 1,020,000 0 60,000 0 0 0 
TOTO) ab aan 0 0 0 900/000 0 0 0 
Le DPSS sue 0 0 960,000 0 0 0 
Average...... 8,653 5 7d pet 452 1,360,192 526 3,719 401,538 








