Occasional Papers of the Museum of Zoology 3 



Euconnlus fnlvus (Miiller). Alcona County: Greenbush, 

 Killmaster. 



Euconulus chcrsiiiiis polygyratus (Pilsbry). Alcona County: 

 Harrisville. 



Zonitoidcs arhorca (Say). Alcona County: Harrisville, 

 Greenbush. Oscoda County. 



Zonitoidcs cxigiia (Stimpson). Alcona County: Harris- 

 ville. 



Zonitoidcs niinuscnla (Binney). Alcona County: Green- 

 bush. 



AgrioVunax agrcstis (Linn?eus). Alcona County: Harris- 

 ville. 



AgrioVunax cauipcstris (Say). Alcona County: Harrisville. 



Pyrauiidula altcrnata (Say). Alcona County: Harrisville, 

 Crystal Lake. Oscoda County : iMcKinley. 



Pyrauiidula cronkhitci anthonyi Pilsbry. Alcona County: 

 Harrisville, Greenbush. Oscoda County. 



Hclicodiscus parallclus (Say). Alcona County: Harrisville, 

 Greenbush. 



Philomycns carolinianus (Bosc). Alcona County: Harris- 

 ville, Twin Lakes, Lincoln. 



Succinca avara (Say). Alcona County: Killmaster. 



Succinea avara z'cnncta (Say). Alcona County: Harrisville. 



Succinea ovalis Say. Alcona County : Bamfields. Oscoda 

 County : INIcKinley. 



Succinea retusa Lea. Alcona County: Harrisville. 



Strohilops z'irgo (Pilsbry). Alcona County: Harrisville, 

 Greenbush. 



