July, 1955 STARRETT & BARNICKOL: COMMERCIAL FISHING DEVICES 357 
Table 25.—Examples of trammel net sets in which catches of the fisheries survey party 
were dominated by a single species of fish, Mississippi River, 1946. 
Buruincton, lowa Muscatine, lowa 
Aprit 17, 1946 May 28, 1946 
Kinp oF Fisu (OnE Ser) (Two Sers) 
Number Pounds Number Pounds 
|... | POSER, SO a ee ee 0 0.00 STAVE} 
EPAUME I DI alOnys et eee Nets he a chee ee 31 88.21 3.50 
MEE MEHONENSDIHTAlOs 22. sare ee se 2 ee ees 1 2.10 7 i0.39 
LEST Ai ae pia eae 0 0.00 2 2.60 
PeRitfer Gruins <0... ce ice oc Sh aa he aan 0 0.00 fi 9.62 
DUEL. oS RES Se eed Pee naa Se 32 90.31 166 553.90 
Fig. 16—A commercial fisherman using a plunger to create a disturbance in the water in 
an effort to drive fish into his trammel net. 
