Proceedings Rochester Acadr.mv ok Science, Vol. 2. 



PlA'J'E 5. 



Mollusca of Monroe Countv 



Pupa muscorum, Lin. 



" pentodon, Say. 



" contracta, Say. 



" corticaria, Say. 



" rupicola, Say. 



" fallax, Say. 



" armifera, Say. 

 Vertigo milium, Gould. 



" simplex, Gld. 



" ovata, Say. 

 Carychium exiguum, Say. 



