58 THE NAUTILUS. 



A. LAND SHELLS. 



Hellcina occulta, Say. Whitefish Bay. 

 Helix pomatia, Miill. Milwaukee, teste P. Wells. 

 Yallonia pulchelta, Mull. Milwaukee. Common. 

 Polygyra profunda, Say. Milwaukee and vicinity; Crystal Lake. 

 Polygyra albolabris, Say. Whitefish Bay; Wauwatosa. Scarce. 

 Polygyra multilineata, Say. Milwaukee and vie. Scarce. 

 Polygyra thyroides, Say. Milwaukee and vie. Scarce. 

 Polygyra hirsuta, Say. Milwaukee ; Mishicot, Manitowoc Co. 

 Polygyra monodon, Rack. Milwaukee and vicinity. 

 Polygyra, monodon fraterna, Say. Milwaukee and vicinity. 

 Strobilops, cf. virgo, Pils. Milwaukee and vie.; Mishicot. 

 Pupoides marginatus, Say. Kenosha. 

 Bifidaria armifera, Say. Vicinity of Milwaukee. 

 Bifidaria contracta, Say. Vicinity of Milwaukee. 

 Bifidaria corticaria, Say. Wauwatosa. 

 Bifidaria curvidens, Sterki. Wauwatosa. 

 Bifidaria pentodon, Say. Vicinity of Milwaukee. 

 Vertigo milium, Gould. Near Milwaukee. 

 Vertigo ovata, Say. Near Milwaukee. 

 Cochlicopa hibrica, Miill. Vicinity of Milwaukee. 

 Vitrina limpida, Gould. Milwaukee. Rare. 

 yitrea cellaria, Mull. Greenhouse, Milwaukee. 

 Vitrea draparna/di, Beck. Greenhouses. Common. 

 Vitrea hammonis, Strom. Vicinity of Milwaukee. 

 Vitrea indentata, Say. Vicinity of Milwaukee. 

 Euconulus fulvus, Miill. 1 specimen. 

 Zonitoides nitidus, Miill. Milwaukee. Common. 

 Zonitoides arboreus, Say. Vicinity of Milwaukee ; Mishicot. 

 Zonitoides minusculus, Binn. Vicinity of Milwaukee. 

 Limax maximus, Linn. Greenhouses, Milwaukee. 

 Limaxjlavus, Linn. Greenhouses, Milwaukee. 

 Agriolimax agrestis, Linn. Abundant about Milwaukee. 

 Agriolimax campestris, Binn. Milwaukee and vie. 

 Philomycus dorsalis, Binn. Whitefish Bay. 



Pyramidula alternata, Say. Very common about Milwaukee ; 

 Mishicot. 



Pyramidula perspectiva, Say. Whitefish Bay. 1 shell. 

 Pyramidula striatella, Anth. Milwaukee and vie. Common. 



