HELICIDJl. 87 



209. Helix (Mesodon) profunda, Say. 



12 Ohio; ex c. Prof. W. Newcomt, Efivd. E. E. Beadle, &c. 



210. Helix (Mesodon) zaleta. Say. 



[= H. exoleta, Binn.] 

 6 Ohio ; ex c. W. A. Brown, Esq., and Prof. W. Newcomb. 



211. Helix (Mesodon) clausa, Say. 



10 Ohio; ex c. W. A. Brown, Esq., Eevd. E. E. Beadle, &c. 



212. Helix (Mesodon) colnmbiana. Lea. 



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

 4 Sitka; coU, Prof. E. C. Stearns. 



213. Helix (Mesodon) thyroides, Say. 



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



214. Helix (Mesodon) multilineata, Say. 



12 Ohio; ex c. Eevd. E. E. Beadle, Prof. W. Newcomh, &c. 



216. Helix (Mesodon) pennsylvanica, Green. 



2 Ohio; ex c. Eevd. E. E. Beadle and Prof. W. NewcomK 



216. Helix (Mesodon) bucoulenta, Gould. 



2 Texas ; ex c. Eevd. E. E. Beadle. 



217. Helix (Mesodon) dentifera, Binn. 



2 Ohio; ex c. Eevd. E. E. Beadle, 



218. Helix (Mesodon) mitchelliana, Lea. 



4 Alabama ; coll. Eevd. E. E. Beadle and Prof. E. C. Stearns. 



219. Helix (Mesodon?) jejana. 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 TBIODOFSIS, Rafin. (type M. palliata, Say), 



221. Helix (Triodopsis) palliata, Say. 



10 Ohio J ex c. Prof, W. Newcomb and Eevd, E. E. Beadle. 



