HELICID2E. 87 



209. Helix (Mesodon) profunda, Say. 



12 Ohio; ex c. Prof. W.*Newcomb, Revd. E. R. Beadle, &c. 



210. Helix (Mesodon) zaleta, Say. 



\_= H. exoleta, Binn.] 

 6 Ohio ; ex e. W. A. Brown, Esq., and Prof. W. Newcoinb. 



211. Helix (Mesodon) clausa, Say. 



10 Ohio ; ex c. W. A. Brown, Esq., Revd. E. R. Beadle, Ac. 



212. Helix (Mesodon) columbiana, Lea. 



16 San Francisco; coll. Prof. E. C. Stearns. 

 4 Sitka ; coll. Prof. E. C. Stearns. 



213. Helix (Mesodon) thyroides, Say. 



12 Ohio and Indiana; coll. W. A. Brown, Esq., Revd. E. R. Beadle, &c. 



214. Helix (Mesodon) multilineata, Say. 



12 Ohio ; ex c. Revd. E. R. Beadle, Prof. W. Newcomb, &c. 



215. Helix (Mesodon) pennsylvanica, Green, 



2 Ohio; ex c. Revd. E. R. Beadle and Prof. W. Newcomb^ 



216. Helix (Mesodon) bucculenta, Gould. 



2 Texas ; ex c. Revd. E. R. Beadle. 



217. Helix (Mesodon) dentifera, Binn. 



2 Ohio; ex c. Revd. E. R. Beadle. 



218. Helix (Mesodon) mitchelliana, Lea, 



4 Alabama ; coll. Revd. E. R. Beadle and Prof. E. C. Stearns. 



219. Helix (Mesodon?) jejuna, Say. 



4 Florida ; ex c. Prof. W. Newcomb and Prof. E. C. Stearns, 



220. Helix (Mesodon) devia, Gould. 



3 Oregon ; coll. Prof. E. C. Stearns. 



Sub-Genus TRIODOPSIS, Rafin. (type ff. palliata, Say), 



221. Helix (Triodopsis) palliata, Say. 



16 Ohio ; ex c. Prof. W. Newcomb and Revd. E. R. Beadle. 



