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BIBLIOGRAPHY OP 



Family Cyclostomacea. 



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Is'ame. 

 Cyclostoma dentatum Say. 

 Mexicanum Menhe. 



(Aperostomci) Troschel. 

 Sayanum Anthony. 

 Eelicina occulta Say. 

 orbiculata Say. 



Polyyyra orbiculata Say. 



Locality. 

 Florida. 

 Mexico. 



Ohio. 



Indiana. 

 East Florida. 



Vermont. 

 New York. 



Massachusetts. 



Massachusetts. 



New Jersey. 



Massachusetts. 



Family AliricilSacea. 



Carychium exiguum Say. 



Pupa exigua Say. 

 Auricula bidentata Say. 



Auricula cornea Desh. 



var. Melampus l>id< ntatus Say. 

 denticulata Mont, (var.) 



Action denticulatus Flem. 



Jaminea dinticulata Leach. 



Conovulus denticulatus Gray. 



Auricida myosotis Jeffr. 

 Sayi Kust. 



Family L,yuinaeada;. 



Piano r bis albus Mull, (var.) 

 Helix alba Gniel. 

 P. villosa Poir. 

 albus Turton. 

 hirsutus Gould. 



armigerus ^ay. New York. 



bicarinatus Say. New York. 



var. P. enrjonatus Conrad. Georgia, 



campanulatus Say. New York. 



corpulentus Say. Whmipeck 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. regular is Lea. New England. 



fullax Say. New Jersey. 



