47 
2. Mippite Prorta Lake, Mossvitte to At Fresco Park 
Channel 4-7-ft.zone | 1-3-ft. zone 
| 1915 1920 | 1915 1920 | 1915 1920 
Viviparidae and Pleuroceridae| 26.1 0 Bik 0 18.5 0 
Sphaeriidae 42.7 0 54.0 1.5] 66.6 6 
Amnicolidae, Valvatidae, etc. 0 0 1.7 0 0.6 0 
Chironomidae 1.5 5 TA 51 3.3 42 
Oligochaeta 0 19 0 1.2 0 0.4 
Other insects, worms, 
Crustacea, etc. 3.9 0 3.8 0 7.0 0 
Grand total 74.2 24 123.7 53.7| 96.0 48.4 
3. Lower Peoria LAKE, STRAW-BOARD MILL To LiperTy STREET 
Viviparidae and Pleuroceridae| 391.6 110 446.3 24 174.0 0 
Sphaeriidae 3.1 2.9) 28.1 0 1.2 0 
Amnicolidae, Valvatidae, etc. 0 0 27.4 0 8.6 0 
Chironomidae 0 85.6 0 132.4 0 244 
Oligochaeta 0.6 6.4 0 0 0 5 
Other insects, worms, 
Crustacea, etc. 5.0 0 5.8 0 7.4 0 
Grand total ‘ 400.3 204.9 | 507.6 156.4| 191.2 29.1 
