354 



AMERICAN JOURNAL 



HELICEA. . 



s 



5. VITRINEA. 



Vitrina, Drap * 



limpida, Gould. 



Stenopus, Guild 



criifntus, Guild. 

 Zonites, Montf. 



Moreletia, Pfr 



euryomphalus, Pfr. 

 Hyalina, (Fer.) Gray. 



Hyalina, s. str * 



indentata, Say. 



Mesomphix, Raf. ** 



fuliginosa, Griff. 



Morchia 



concolor, Fer. 



Ammonoceras, Pfr 



euspira, Pfr. 



Edusa, Alb 



zonites, Pfr. 

 Conulus, (Fitz.) Moq. Tand.* 

 fulva, Drap. 



Gastrodonta, Alb ** 



interna, Say. 



Macrocyclis, Beck * 



laxata, Fer. 



Sagda, Beck. 

 Sagda, s. str 



Cookiana, Gmel. 

 Hyalosagda, Alb 



similis, C. B. Ad. 

 Proserpinula, Alb 



proserpinula, Pfr. 

 Odontosagda 



polyodon, W. & M. 



C. HELICACEA. 

 Helix, L. 



Microphysa, Alb * 



Boothiana, Pfr. 



Patula, Held.., ** 



alternata, Say. 



Stephanoda, Alb 



dissimilis, Orb. 



a 



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§ 6 

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