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4. Subfam. Ancylinae. 



27. Gen Ancylus Geoff. 



1. Sect. Ancylastrum Brgt. 

 Anc. fluviatile Müll. 



„ capuloides Jan. 



„ orbiculare Cles. 



„ expansilabre Cles, 



2. Sect. Velletia 



Gray. 



Teil, lacustris L. 



€• Chiastoneura* 



Fam. f'yclostomacea. 

 28. Gen. Cyclostomus Montf. 



Cycl. elegans Müll. 

 „ costulatum Ziegl. 



29. Gen. Pomatias Siud. 



1. Sect. Pomatiella Cless. 



Pom. septem spiralis Eaz. 

 „ tergestina West. 

 „ Philippiana Gred. 

 „ Gredleri West. 

 „ pachycheila West. 

 „ Vallae Stoss. 



2. Sect. Strobelia Cles. 

 Strob. Henricae Strob. 



3. Sect, Obscurella Cles. 

 Obsc. aprica Mouss. 



4. Sect. Scalarinella Cles, 



Seal, scalarina Villa 

 „ Scbmidtii De Betta. 



30. Gen. Acme Hartm. 



Acme speetabilis Eos». 

 _ lineata Drp. 



