204 PROCEEDINGS OP THE ACADEMY OF [1889. 



104a. Helix sayii chilhoweensis Lewis. East Tenn. ; Western 



N. C. 



i Section Stenotrema Raf., 1819.) 



165. Helix hiesuta Say. Eastern U. S. 



166. Helix stenotrema Fer. Kentucky Southward. 



167. Helix labrosa Bid. Eastern Tennessee ; Northern Ala- 



bama; Arkansas. 



168. Helix maxillata Gld. Mts. of Tennessee, Alabama and 



Georgia. 



169. Helix edgariaxa Lea. Mts. of Tennesee, Northern Ala- 



bama aud Georgia. 



170. Helix spinosa Lea. East Tennessee ; Northern Alabama. 



171. Helix edvardsi Bid. Eastern Tennessee; West Vir- 



ginia. 



172. Helix barbigera Piedf. Eastern Tennessee; Northern 



Alabama. 



173. Helix monodon Rack. Eastern U. S. 



173a. Helix monodon eratkrna Say. Eastern U. S. 



173b. Helix monodon ctncta Lewis. Hayesville, N. C. 



174. Helix leaii Ward. Ohio to Iowa. 



175. Helix germana Gld. Oregon. 



(Section Triodopsis Rafinesque. 1819.) 



176. Helix tridentata Say. Eastern U. S. 



177. Helix fallax Say. Eastern U. S. 



178. Helix introferens Bid. Penna. to Ga., Tenn. and 



Kentucky. 



179. Helix vannostrandi Bid. South Carolina ; Georgia. 



180. Helix hopetonensis Shutt. North Carolina to Fla. 



181. Helix vultuosa Gld. Ark. to Texas ; Florida. 



182. Helix Henrietta Mazyck. Eastern Texas. 



183. Helix copei Wetherby. Eastern Texas; Western La. 



184. Helix cragini Call. Kansas. 



185. Helix inflecta Say. Eastern U. S. 



186. Helix rugeli Shutt, Eastern Tenn. and Ky. ; Western 



N. C. 



187. Helix appressa Say. Eastern U. S. 



188. Helix palliata Say. Eastern U. S. 



189. Helix obstricta Say. Indiana to Georgia. 



190. Helix mullani Bid. Northern Idaho. 



