84 Verhandlungen. Nr. 4 



XI. Genus Triptychia Sandberger. 

 Triptychia (Plioptychia) vulgata Reuss. 



XII. Genus Clausilia Draparnaud. 



Clausula (Canalicia) attracta Boettger. 



XIII. Genus Leucochilus ßoettyer. 

 Leucochilus quadriplif.atum A. Braun, var. lamellidens Sandberger. 



XIV. Genus Vertigo Müller. 

 Vertigo (Alaea) callosa Reuss. 



XV. Genus Succinea Draparnaud. 



* Succinea peregrina Sandberger. 



XVI. Genus Limnaeus Draparnaud. 



Limnaeus pachy gaster Thomae. 



„ subpalus/ris Thomae. 



„ Thomaei Reuss. 



„ minor Thomae, 



XVII. Genus Planorbis Guett. 



Planorb/s comu Brogniarf. 



„ declivis AI. Braun. 



* „ Ungeri Reuss. 



„ laevis v. Klein. 



XIX. Genus Ancylus Müller. 

 Ancylus (Velletia) decussatus Reuss. 



XX. Genus Euclnlus Sandberger. 

 Euchilus Rubeschi Reuss. 



XXI. Genus Sphaerium Scop. 

 Sphaerium pseudocorneum Reuxs. 



