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Amnicola cincinnatiensis (Anthony) 



Ainnicola limosa (Say) 



Amnicola lustrica Pilsbry 

 Valvatidae 



Valvata tricarinata Lea 



Valval a bicarinata (Say) 

 Physidae 



Apparently at least two species 

 Planorbidae 



Planorbis parvus Say 



Planorb'is trivolvis Say 



Planorbis exacutiis Say 

 Lymnaeidae 



Lyinnaca fminilis Say 



Lymnaea paliistris (Muller) 

 Ancylidae 



Ancylits species 

 Porifera 



Unidentified fresh-water sponges, at least 3 

 kinds 

 Hirudinea 



Apparently at least 3 species of leeches not re- 

 cently taken. 

 Crustacea 



Palaemonidae 



Palacmonctcs c.rilipes Stimpson 

 Insects 



Ephemerida 



Callibactis species 



Caenis species 



Hcxagcnia bilincata Say 



Hcplagcnia species 

 Odonata 



Calopteryx species 



Unidentified Agrionidae, at least two species. 



Mcsothonis simplicicoUis Say 



Epicorditlia princcps Hagen 

 Heniiptera 



Corixa burmcislcri Ficber 



Corixa species 



Notoiiccfa species 



Zaitlia Huminca (Say) 

 Neuroptcra 



Sialis infnmata Newman 



Corydalis species 

 Trichoptcra 



Rhyacophila species 



