[26] 



HELICEA, 



a s g «■ T -' 



^•Kti 5? iHg-aS 





fU O 



^. VITRINEA. 



ViTRiNA, Drap * * 



limpida, Gould. 



Stenopus, Guild ^ .~ *? 



cruentus, Guild. 

 ZoNiTEs, Montf. 



Moreletia, Pfr „.„. 



euryomphalus, Pfr. 

 Hyalina, CFer. > Gray. 



Hyalina, s. str r, * 



indentata^ Say. 



Mesomphix, Raf. « ....„** * 



fuliginosa, Griff. 



Morchia 



concoloTy Fer. 



Ammonoceras, Pfr ^ * 



euspira, Pfr, 



Edusa, Alb * 



zoniteSy Pfr. 

 Conulus, (Fitz.) Moq. Tand.* * *? 

 fulva, Drap. 



Gastrodonta, Alb ** 



interna^ Say. 



Macrocyclis, Beck..., „....* * 



laxata, Fer. 



Sagda, Beck. 

 Sagda, s. str 



CooTciana^ Gaiel. 

 Hyalosagda, Alb 



similis^ C B. Ad. 

 Proserpinula, Alb 



proserpinula, Pfr. 

 Odontosagda 



poltfodoUy W. & M. 



C. HELICACEA. 

 Helix, L. 



Microphysa, Alb * ♦' 



Boothiana, Pfr. 



Palula, Held ^* * * 



alternata, Say. 



Stepbanoda, Alb * 



dissimilis, Orb, 



