BIBLIOGRAPHY OF 



Family Cyclostomacea. 



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Name. 



Cyclo Stoma dentatum Say, 

 Mexicanum Menhe. 



(^Aperostoma) Troscliel. 

 Sayanum. Anthony. 

 Helicina occulta Say. 

 orbiculata Say. 



Polygyra orbiculata Say. 



Locality. 

 Florida. 

 Mexico. 



OMo. 



Indiana. 

 East Florida, 



Family Auriciiilacea. 

 CarycMum exiguum Say. Vermont. 



Pupa exigua Say. 

 Auricula bidentata Say. New York. 



x\uricula cornea Desh. 



var. Melampus bidentatus Say. Massachusetts. 



denticulata Mont, (var.) Massachusetts. 



Actaeon denticulatus Flem. 

 Jaminea denticulata Leach. 

 Conovulus denticulatus Gray. 

 Auricula myosotis Jeffr. 

 Sayi Kust. New Jersey. 



Family l,yiMias8adae. 



Pianorbis albus Mull, (var.) Massachusetts. 

 Helix alba Gmel. 

 P. villosa Poir. 

 albus Turton. 

 hirsutus Gould. 



armigerus Say. New York. 



bicarinatus Say. New York. 



var. P. engonatus Conrad. Georgia. 



campanulatus Say. New York. 



corpulentus Say. Winnipeck river. 



deflectus Say. Ohio. 



var. P. virens Adams. Vermont. 



dilatatus Gould. Massachusetts. 



exacutus Say. New York. 



lentus Say. South Carolina. 



parvus Say. New York, 



var. P. elevatus Adams. Vermont. 



concavus Anthony. Ohio. 



trivolvis Say. New York, 



var. P. regularis Lea. New England. 



fallax Say. New Jersey. 



