88 HELICID2E. 



222. Helix (Triodopsis) appressa, Say. 



4 Ohio; ex c. Prof. W. Newcomb. 



223. Helix (Triodopsis) tridentata, Say. 



10 Ohio; exc. As. Soc., Bengal, Prof. W. Newcomb, and Revd. E. B, 

 Beadle. 



224. Helix (Triodopsis) elevata, Say. 



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



225. Helix (Triodopsis) introferens, Bland. 



2 South Carolina; ex c. Revd. E. R. Beadle. 



226. Helix (Triodopsis) fallax, Say. 



20 Ohio,- ex c. Prof. W. Newcomb and Revd. E. R. Beadle. 



227. Helix (Triodopsis) inflecta, Say. 



11 Ohio; ex c. Prof. W. Newcomb and As. Soc., Bengal. 



228. Helix (Triodopsis) obstricta, Say. 



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



229. Helix (Triodopsis) rugeli, Shuttl. 



4 Alabama; ex c. Revd. E. R/ Beadle. 



230. Helix (Triodopsis) loricata, Gould. 



8 California; ex c. Prof. W. Newcomb and Prof. E. C. Stearns. 



var. major. 

 4 California; coU. Prof. E. C. Stearns. 



231. Helix (Triodopsis) personata, Lamark. 



8 Bonn, Grande Chartreuse and Fluellen; coll. G. Nevill, Esq. 



Sub-Genus STENOTREMA, Rafins (type H. spinosa, Lam.). 



232. Helix (Stenotrema) spinosa, Lamark. 



5 United States ; ex c. Revd. E. R. Beadle. 



233. Helix (Stenotrema) leaii, Ward. 



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



234. Helix (Stenotrema) stenotrema, Ferussac. 



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



