1889.] NATURAL SCIENCES OF PHILADELPHIA. 207 



237. Pupa rupicola Say. Southern and Middle States. 



238. Pupa hordeacea Gabb. Arizona. 



239. Pupa pellucida Pfeiffer. Texas ; Florida. 



240. Pupa armifera Say. Dakota and Kansas Eastward; 



Mexico ? 



241. Pupa contract a Say. Minnesota to Texas and Eastward. 



242. Pupa holzixceri Sterki. Illinois; Iowa; Minnesota. 



i Section .) 



243. Pupa edextula simplex Gould. New England to Ohio ; 



Canada. 

 243a. Pupa edextula alticola Ingersoll. Colorado ; Utah ; 

 fossil in Mississippi Valley Loess. 



Subgenus ANGUSTULA Sterki, 1889. 



244. Pupa milium Gould. Colorado to Maine. 



Genus xix. VERTIGO Muller. 



245. Vertigo ovata Say. Entire U. S. 



246. Vertigo gouldii Binney. Northeastern U. S. 



247. Vertigo bollesiana Morse. Northeastern States. 



248. Vertigo vextricosa Morse. Maine ; New York. 



249. Vertigo tridextata Wolf. New York to Illinois. 



250. Vertigo pextodox Say. Minnesota to Texas and East- 



ward. 

 250a. Vertigo pextodon cixcixxatiexsis Judge. Ohio. 



251. Vertigo curvidens Gould. Eastern States. 

 251a. Vertigo curvidens floridaxa Dall. Florida. 



252. Vertigo (?) variolosa Gould. Southern Florida. 



Genus xx. STROPHIA Albers. 



253. Strophia ixcaxa Binney. S. Florida. 



Genus xxi. H0L0SPIRA Albers-Martens. 



254. Holospira roemeri Pfeiffer. New Braunfels and Howard 



Springs, Texas. 



255. Holospira goldfussi Menke. Southern Texas. 



Family vii. STENOGYRID^J. 

 Genus xxii. RUMINA Risso, 1826. 

 Subgenus RUMINA (restricted . 



[256.] Eumixa decollata Linne. Charleston, S. C. 



(Section Opeas Albers. 1850.) 



257. Rumina octoxoides d'Orbigny. Florida. 



258. Eumixa subula Pfr. Mobile, Ala. ; Florida. 



