206 PROCEEDINGS OF THE ACADEMY OF [1889. 



218. Helix hippocrepis Pfr. Comal Co., Texas. 



* 



219. Helix cereolus Muhlf. Georgia ; Florida ; Alabama. 

 219a. Helix cereolus laminifera Binn. (P. cereolus W. G. 



B.) Florida. 

 219b. Helix cereolus microdonta Desh. (carpenteriana 



Bid., febigeri Bid.) Florida to Texas. 

 219c. Helix cereolus septenvolva Say. Florida. 



(Section Polygyrella Bland, 1878.) 



220. Helix polygyrella Bid. and Coop. Idaho ; Montana. 



221. Helix harfordiaxa J. G. Cooper. Fresno Co., Cal. 



(Section Gonostoma Held, 1837.) 



222. Helix yatesi J. G. Coop. Calaveras Co., Cal. 



(Section Vallonia Risso, 1826.) 



223. Helix pulchella Mull. Entire U. S. 



224. Helix pulchella costata Mull. 



Subgenus STROBILA Morse, 1864. 



225. Helix labyrinthica Say. Eastern U. S. 



226. Helix hubbardi A. D. Brown. Texas; Florida; Georgia. 



Family vi. PUPIDJE. 



Genus xviii. PUPA Drap., 1801. 



Subgenus PUPA (restricted). 



(Section Pupilla Leach, =typical Pupa.) 



227. Pupa muscorum Linne. Northern U. S. 



227a. Pupa muscorum blandi Morse. Colorado ; Utah ; Mon- 

 tana. 



228. Pupa decora Gould. British America ; New York. 



229. Pupa corpulenta Morse. Colorado ; Utah ; Nevada. 



230. Pupa rowellii Newcomb. California ; Colorado. 



231. Pupa californica Rowell. California, 



232. Pupa. Colorado. 



233. Pupa calamitosa Pilsbry. San Diego and Lower Cal. 



(Section Leucocheila Albers-Martens, 1860.) 



234. Pupa fallax Say. Entire U. S. 



234a. Pupa fallax arizonensis Gabb. Arizona. 



235. Pupa modica Gould. S. Carolina to Alabama, 



236. Pupa corticaria Say. Dakota to Mississippi and East- 



ward. 



