364 



AMERICAN JOURNAL 



HELICEA. 



a 



i 



5. VITRINEA. 



ViTRiNA, Drap * 



Ihnpida^ Gould. 



Stekopus, Guild 



cruentus, Guild. 

 ZoNiTEs, Montf. 



Moreletia, Pfr 



euryomphalus, Pfr. 

 Hyalina, CFer.) Gray. 



Hyalina, s. str * 



indenfata, Say. 



Mesompbix, Raf. ** 



fuliginosa, Griff. 



Morchia 



concolor, Fer. 



Ammonoceras, Pfr 



euspira, Pfr. 



Edusa, Alb 



zonites, Pfr. 

 Conulus, (Fitz.) Moq. Tand.* 

 fulva, Drap. 



Gastrodonta, Alb ** 



interna, Say. 



Maorocyclis, Beck * 



laxata, Fer. 



Sagda, Beck. 



Sagda, s. str 



Cookiana, Gmel. 

 Hyalosagda, Alb 



simiiis, C. B. Ad. 

 Proserpinula, Alb 



proserpinula, Pfr. 

 Odonlosagda 



polyodon, W. & M. 



G. HELICACEA. 

 Helix, L. 



Microphysa, Alb * 



Boothiana, Pfr. 



Patula, Held.., ** 



alternata, Say. 



Stephanoda, Alb 



dissimilis, b. 



