93 



Helix. 



Syn. Polygyra Woodw. 

 10 c - Subsect. Systrophia Pfr. 

 lO'i- „ Stegodera Mrts. 



11. Scct. Plectopylis Bens. 



12. „ Polygyra Say. 

 Syn. Ulostoina Alb. 



„ Ancbistoma II. & A. Ad. 

 12»- Subsect. Polygyra Mörch. 

 12b. „ Daedalochila Bk. 



Syn. Stenotrema Hrtm. 

 12c Subsect. Polygyrella Bind. 

 12 ( '- „ Ammonitella Coop. 



13. Sect. Stenotrema Rfq. 



Syn. Stenostoma Rfq. 

 „ Tridopsis Woodw. 



14. Sect. Triodopsis Rfq. 



Syn. Tridopsis Bk. 

 „ Xolotrema Rfq. 

 ., Metodontia Mlldf. 

 14». Subsect. Isognomostoma Fitz'gr. 

 14b. „ Triodopsis Tivoli. 



15. See). Mesodon Rfq. 



Syn. Aplodon Rfq. 

 Patera Alb. 

 „ Ulostoma Trvon. 

 IG. Sect. Acanthinula Bk. 



Syn. Fruticicola Moq. Td. 

 „ Zoogenites Morse. 



17. Sect. Vallonia Riss. 



Syn. Zurama Leach. 

 „ Amplexns Brown. 

 „ Chilostoma Fitzgr. 

 ,, Circinaria Bk. 

 ,, Glapbyra Alb. 

 „ Lucena Moq. Td. 



18. Sect. Petasia Bk. 



Syn. Trocbiscus Hlil. 

 „ Perforatella Schlütr. 

 „ Dibotbrion Pfr. 



19. Soet. Jeanneretia Pfr. 



20. „ Acusta Alb. 



21. „ Satsuma A. Ad. 



22. „ Hygromia Riss. 

 Syn. Bradybaena Bk. 



„ Hygromanes Per. 

 22a. Subsect. Fruticicola Hld. 



Syn. Eulota Hrtm. 

 •22b. Subsect. Monacba Hrtm. 

 22 p - „ Nummulina Koli. 



22*1. Subsect. Carthusiana Kob. 



