IS Bulletin Wisconsin Natural History Society [Vol. 13, No. 1 
Food — Ceratopogon larvae l.S, Diptera 3, culicids 13.2, mites 1, Hya- 
lella 2.7, Ostracoda .3, Cladocera 7.3, Daphnia hyalina 42.1, Ceriodaphnia 
1.4, Chydorus +, Oligochaeta .5, Trematoda (parasitic) +, moss 1, seeds 
1, plant tissue 2.7, filamentous algae 1.2, silt and fine debris 22.5. 
Summary — Insect larvae l.S, Insecta 16.2, mites .1, Hvalella 2.7, Ostra- 
coda .3, Cladocera 50.S, Oligochaeta .5, plants 5.9, silt and fine debris 22.5. 
Station 7; August 17; No. examined 19; length: — max. 70, min. 16.1, 
ave. 34.4. 
Food — Dipterous larvae 1.6, Chironomus larvae 2, Diptera .5, Hyalella 
.5, Ostracoda 4.1, Cladocera 7.6, Daphnia hyalina 2.6, Ceriodaphnia .6, 
Chydorus .3, Alona 7.9, Bosmina 4.7, Cyclops 9.3, Oligochaeta .2, moss 
1.5, plant tissue 9.1, filamentous algae 3.7, fine silt and debris 44. 
Summary — Insect larvae 3.6, Insecta .5, Hyalella .5, Ostracoda 4.1, 
Cladocera 23.7, Cyclops 9.3, Oligochaeta .2, plants 14.3, silt and debris 44. 
Grand Summary — Xo. examined, 57; length: — max. 77, min. 16.1, ave. 
40.7. 
Food — Insect larvae 3, Insecta 4.7, mites .2, Hyalella 3, Ostracoda 2.6, 
Cladocera 24.6, Cyclops 4, Rotifera .1, Oligochaeta .1, plants 8.4, fine silt 
and debris 43.4. 
Notropis cayuga Meek. Minnow. 
Station 7; August 5; No. collected, 10; size: — max. 40.5, min. 24.5, ave. 
32. 
Food — Insect nymph .2, Diptera .5, Ostracoda 1.5, Cladocera 3.1, Acrop- 
erus 1.7, Ceriodaphnia .7, Daphnia +, Rotifera .1, plant tissue 5.5, fila- 
mentous algae .7, silt and fine debris 86. 
Summary — Insect larvae .2, Insecta .5, Ostracoda 1.5, Cladocera 5.5, 
Rotifera .1, plants 6.2, fine silt and debris 86. 
Station 8; August 3; No. examined, 10; length: — max. 42, min. 30.8, ave. 
36. 
Food — May-fly larvae 5, dipterous larvae 5.5, Insecta 1, Hyalella 2, 
Ostracoda 26.6, Acroperus 2.5, Ceriodaphnia .5, Nematoda .1, plant tissue 
.5, seeds .5, filamentous algae .1, fine silt and debris 55.7. 
Grand Summary' — No. examined, 20; length: max. 42, Min. 24.5, ave. 
34. Insect larvae 5.2, Insecta .7, Hy'alella 1, Ostracoda 14.1, Cladocera 
4.2, Nematoda +, Rotifera +, plants 3.6, silt and fine debris 70.9. 
Eucalia inconstans (Kirtland). Brook Stickleback. 
Station 11; October 6; No. examined, 29; length: — max. 58.7, min. 28.4, 
ave. 45.5. 
Food — May-fly' nymphs 1, Tany'pus larvae 10.9, Chironomus larvae 9.3, 
Corixa nymphs .1, Caddis-fly' larvae 2.1, Insecta .3, Diptera .1, midges 11.5, 
Podurans 1.1, Hy'alella .3, Ostracoda .5, Cyclops 16.3, Daphnia .1, Chydorus 
18.9, Camptocercus +, Graptoleberis +, Physa 4.8, Planorbis 5.9, Sphaer- 
