356 Ittinois NATURAL History SurvEY BULLETIN Vol. 26, Art. 4 
Fig. 15.—Fishermen setting a trammel net around a school of carp on the Mississippi. 
ters. Sport fishes amounted to 17.3 per or 2-inch-mesh inner net and usually — 
cent of the catches in trammel nets set at were not made in sites indicating the pres- — 
the various stations tested along the river ence of carp or buffalofishes. Many of 
in 1944 and 1946, including the late fall, the sets were made in areas that appeared 
1944, experimental catches at Grafton, especially favorable for sport fishes. In 
table 26. The majority of the river sets the 116 sets made with trammel nets of © 
were made with a net having a 144-inch- various mesh sizes, only 7 bass (Microp- 
Table 24.—Summary of trammel net sets and floats made in the Mississippi River by the 
fisheries survey party between Grafton, Illinois, and Dubuque, Iowa, 1944 and 1946.* 
TRAMMEL Net Sets TramMMEL Net Fioats 
2| ¢ 4 : 6 
g| 2 aE a= 3 Zz | 2 
YEAR ia ; tan - ra bis > A i 
6.) 8 S |e oo ls ok 
Sia, |? | S32) 32 |Sele.0 oe 
= es) 2 = op £0 | Es| wv | SH | sw =o 
5 ea uo 33 Bie 50|§3s os) Se | soe 
ra > aa | ZO | GO. (2a l ab) Se 
| To  o Ca eerae aiy Rescate Io 16 100 1144,2 | 109 192.08 5 100 | 1%,2 6 | 10.23 
1944 (Grafton 
Experimental)...... 7 150f |114, 2, 3) 247 336.54 0 — —_ _— — 
1944 (Quincy 
Experimental)... ... 0 _ — — = 33 | 100] 114, 2 | 197 |250.50 
Lt: Pe a i eet the en 73 |100-200 |114, 134,} 961 |2,572.41| 70 |80-100|114, 134,| 361 |591.24 
2, 2 
fNa.17) Keng Mt nee te 116 — — 1,317 |3,101.03| 108 | — — 564 |851.97 
* Does not include all the sets and floats made by the survey party; certain sets and floats were omitted because 
of discrepancies in methods of fishing. 
7 Inner net. _ 
t Each mesh size was represented by a 50-yard length of net. 
iiss 245 ce eget. 
