SECTION A.] NORTH AMERICAN CONCHOLOGY. 



G21 



Buccinum cilliatum Gould. 



B. ventricosum Kien. 

 Donovani Crag. 

 lunatum Ad. 

 obsoletum Ad. 

 plicosum Mke. 



F'usiis cinereus Say. 

 rosaceum Could. 

 trivittatum Ad. 



jtfassa trivittata Say. 

 undatum Linn. 

 vibex Ad. 



Nassa vibex Say. 

 Columbella avara Say. 

 Spirula Peronii Lam. 



flasSsbard. — Catalogue of Terrestrial and Fluviatile Shells of 

 Ohio, in the collection of Eber W. Hubbard, Elyria, Ohio. 



[No descriptions are given. — W. G. B.] 



Cyclas dubia Sag. 

 partumeia Sag. 



C. cornea (var.) Lain, 

 similis Sag. 



C. sulcata Lam. 

 Helix albolabris Sag. 

 alternata Sag. 



H. scahra Lam. 

 radiata Gmel. 

 appressa Sag. 



II. linguifera Fer. 

 arborea Sag. 

 clausa Sag. 



II. Mitchell iana Lea. 

 chersina Say. 

 concava Say. 



II. planorboides Fer. 

 Yancouverensis Lea. 

 electrina Could. 

 elevata Say. 



If. Knaxvilliaua Fer. 

 fallax Say. 



