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The Ohio Journal of Science [Vol. XIX, No. 4, 



TABLE 2-1— (Continued). 



Group 



Ephemeridae 

 nymphs 



Hemiptera 



Tricoptera 

 larvcB 



Sialididae . 



Arachnida 



Crustacea 



Mollusca 



Species 



Amelitus sp 



Caenis allecta 



Ephemerella excurcians 



Heptagenia variabilis 



Blasturus sp 



Total Ephemeridae 



Zaitha fluminea 



Gerris contormis 



Notonecta insulata 



Corisa 



Total Hemiptera 



Leptocerid 



Hydropsyche sp 



Polycentropus 



Limnophilus 



Total Tricoptera 



Sialid larva 



Dolomedes sexapunctatus 



Pirata fibriculosa 



Limnochares aquaticus 



Total Arachnida 



Cypris inequivalva 



Cypris sp 



Asellus attenuatus 



Diaptomus sp 



Cyclops sp 



Cyclops ater 



Scapholebris sp 



Bosmina longirostris 



Ophryoxus sp 



Nauplius (cyclops) > . 



Cypridopsis vidua 



Daphnia sp 



Ceriodaphnia sp 



Chydorus sphaericus 



Potamocypris sp 



Cambarus virilis 



Total Crustacea 



Physa heterostropha 



Eggs of Physa 



Lymnaea humilis 



Ancylus shimeki 



Planorbis parvus 



Limax maximus 



PaUifera sp 



Ponds 



