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1. 



XX. Pupa Drap. 



P. doliolum (Bulim.) Brug 



P. Frumentum Drap , 



P. minutissima Hartm , 



P. tridens Drap ■ 



XXI. Pupula Agassiz. 

 P. acicularis Hartm 



XXII. Succinea Drap. 



S. amphibia Drap 



S» oblonga Drap 



S. Pfeifferi Rossm 



XXIII. üiiio Brug. 



U. ater Nilss 



U. batavus Lam 



U. crassus Retz 



U. margaritifer Retz 



U. pictorum Lam 



U. tumidus Retz , 



XXIV. Valvata Mnell. 



V. cristata Muell , 



V. depressa Muell , 



V. obtusa Pfeiff. 



V. spirorbis Pfeiff. 



XXV. Vertigo Muell. 



Vert. pygmaea Drap , 



Vert. septemdentata Feruss 



Vert. Venetzii v. Charp , 



XXVI. Vitrina Drap. 



Vitr. diaphana Drap. . 



Vitr. elongata Drap , 



Vitr. pellucida Drap . . , 



Qjbene. 



Vorgebirge. 



£cd)gebirge. 



