Genus III.— Zonites, De Mont. 



ZONITES CELLARIUS, MulL 



Zonites cellarius, v complanata, Jeff. 



Zonites cellarius, v compacta, Jeff. 



Zonites cellarius, v albinos, Mog. 

 Zonites Draparnaldi, Beck, 

 Zonites alliarius, Miller. 



Zonites alliarius, v viridula,y^ 

 Zonites glaber, Stud. 

 Zonites nitidulus, Drap. 



Zonites nitidulus, v nitens, Mich. 



Zonites nitidulus, v Helmii, Alder. 

 Zonites purus. Alder. 



Zonites purus, v margaritacea, Jeff. 

 Zonites radiatulus, Alder. 



Zonites radiatulus, v viridescenti-alba, Je;^. 

 Zonites nitidus, Miill. 



Zonites nitidus, v albinos, Moq. 

 Zonites excavatus, Beati. 



Zonites excavatus, v vitrina, Fer. 

 Zonites crystallinus, Milll. 



Zonites crystallinus, v complanata, Jeff. 

 Zonites fulvus, Milll. 



Zonites fulvus, v mortoni, Jeff. 



Zonites fulvus, v alderi. Gray. 



Zonites fulvus, v viridula, Taylor. 

 Genus IV.— Helix, L. 

 Helix lamellata, y^^ 

 Helix aculeata, Mi'ill. 



Helix aculeata, v albida, Jff. 

 Helix pomatia, L. 



Helix pomatia, v albida 

 Helix aspersa, Midi. 



Helix aspersa, v maxima, Taylor. 



Helix aspersa, v minor, Mocj. 



