16 
Bulletin Wisconsin Natural History Society [Vol. 13, No. 1 
Fundulus diaphanus menona Jordan & Copeland. Top Minnow. 
Station 3; August 6; No. examined 5; length — max. 47.4, min. 29.5, 
ave. 39.5. 
Food — Hemipterous nymph 1, Chironomus larvae 3, Hyalella 20, Ostra- 
coda 21, Ceriodaphnia laticauda 55. 
Station 7; August 5; No. examined, 10; length — max. 48.5, min. 31.5, 
ave. 40.1. 
Food — May-fly larvae 3.8, hemipterous nymph .5, dipterous larvae 2.3, 
Hyalella 29.2, Ostracoda 23.7, Cyclops 4.5, Diaptomus +, Bosmina2, Pleu- 
roxus 1, Camptocercus .5, Scapholeberis .3, Acroperus .7, Ceriodaphnia 
laticauda 30.7, Nematoda .3, filamentous algae .2. t 
Station 8 (outside bar) August 3; No. examined, 10; length — max. 49.7, 
min. 31.5, ave. 43.1. 
Food — May-flj r larvae 5.7, Dragon-fly larvae +, hemipterous nymph 1.5, 
dipterous larvae 6.6, Diptera .1, mite +, Hyalella 16.4, Ostracoda 63.8, 
Canthocamptus +, Bosmina .1, Acroperus .1, Ceriodaphnia .1, Trematodes 
(parasites) +, WolflBa +. 
Summary — Insect larvae 13.8, Insecta .1, mites +, Hyalella 16.4, Ostra- 
coda 63.8, Copepoda +, Cladocera .3, plants +. 
Station 8 (inside bar); September 1; No. examined 24; length — max. 
57, min. 28.2, ave. 47.5. 
Food — Hemipterous nymphs .5, beetle larvae 1.1, Chironomus larvae 
.4, Ablabesmyia larvae .2, dipterous larvae 7.1, poduran .1, Diptera 6.1, 
mites 2.1, Hyalella 8.2, Ostracoda 11.5, Cyclops 2.7, Pleuroxus 1.2, Campto- 
cercus 1.8, Chydorus 2.1, Scapholeberis 15.5, Dunhevedia +, Acroperus 
+, Sida .6, Ceriodaphnia 4.2, Planorbis +, Trematode +, plant tissue .5, 
seeds .2, Wolffia 29.8, filamentous algae .3. 
Summary — Insect larvae 8.4, Insecta 6.2, mites 2.1, Hyalella 8.2, Ostra- 
coda 11.5, Copepoda 2.7, Cladocera 26, plants 30.8. 
Grand Summary — No. examined, 49; size: max. 37, min. 28.2, ave. 41.2. 
Food — Insect larvae 9.1, Insecta 3.2, mites 1, Hyalella 16.2, Ostracoda 
25.2, Copepoda 1.2, Cladocera 27, Planorbis .1, Nematoda +, plants 14.9. 
Labidesthes sicculus (Cope). Brook Silverside. 
Station 1; August 7; No. collected, 20; length: — max. 50, min. 18.4, 
ave. 32.4. 
Food — Dipterous larvae +, Chironomus larvae 9.4, Diptera .8, Culicids 
5, Bosmina 25.6, Ilyocryptus +, Daphnia .1, Moina 5.5, Chydorus +, Cy- 
clops 18.2, Difflugia +, Rotifera +, plant tissue +, algae 16, seeds 6.2, 
eggs? 2, unidentified 8. 
Summary — Insect larvae 9.4, Insecta 5.8, Cladocera 31.1, Copepoda 
18.2, plants 22.2, eggs? 2, unidentified 6. 
Station 3; August 6; No. examined, 10; length: — max. 52.1, min. 43.8, 
ave. 46.4. 
