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Vertigo arctica Wnhlbji-. 



— alpestris Aid. 



— shuttlewoi-thiana Cliarp. 



* — leontina Grdl. 



— siibstriata Jeffr. 

 "*■ — g-euesii Grdl. 



— pusilla Müll. 



— aiig-ustior Jcffr. 

 Balea perversa L. 

 Clatxsilia iusca de ßetta 



— comensis Shuttl. 



— orthostoma Mke. 



* — itala Mrts. 



* — balsamoi Strob. 



* — tiesenhauseni Grdl. 

 ''' — tombeana Grdl. 



* — stentzii Rossni. 



— letofliaiia Grdl. 



— tuiicki Kstr. 



— gredleriana Westerl. 



* — saccata Kstr. 



— varians Zgl. 



— biplicata I\Itg-. 



— parvula Stud. 



— dubia Drp. 



— tettelbachiana Rossin. 



— asphaltina Zg-l. 



— basileensis Fitz. 



— strobeli Porro 

 Succinea pfeifferi Rossin. 



— eleg-ans Risso 



— oblong-a Drjj. 

 ~ piitris L. 

 Carvchium miniinuni Müll. 



— tridentatum Risso 

 Limnaea stagnalis L. 



— palustris Müll. 



— truncatula Müll. 



— pereg-ra iMüll. 



— ovata Drp. 



— auricularia L. 

 Physa fontinalis L. 

 Aplexa hypnorum L. 

 Planorbis corneus L. Gardasee 



— marginatus Drp. 



— cariiiatus L. 



— vortex L. 



Kobelt, Zoogeogl•.^phie. 



Planorbis vortioulus Held 



— rotundatus Poiret 



— contortiis L. 



— albus Müll. 



— limophilus Westerl. 



— gredleri Blz. 



* — laciniosus Grdl. 



— complanatus L. 

 Segnientina nitida Müll, 

 Ancylus lacustris Müll. 



— capuloides Jan 

 Cyelostoina elegans Müll. 

 *Pomatias septenispirale Raz. 



* — pliilippianum Grdl. 



* — gredleri Westerl. 



* — lienericae Strob. 

 Acme spectabilis Rossm. 



* — sublineata Andr. 



— lineata Drp. 



— polita Hartni, 

 Valvata piseinalis Müll. 



— alpestris Blaun. 



— antiqua Sow. 



— depressa C. Pfr. 



— cristata Müll. 

 Paludina vivipara L. 



— fasciata L. 

 Bythinia tentaculata L, 



— aponensls var. siiinellii Grdl. 

 Bythinella lacheineri Charp. 

 **Pyrgula annulata Mühlf. 

 Neritina Serratilinea Mühlf. 



— gardensis Stell'/, (danubialis var.) 



— intexta Villa 

 Anodonta debettana Grdl. 



— idrina Spin. 



— bertolinii Tiesenh. 



— cobelliana Ad. 



— strobeliana Ad. 



— tiesenhauseni Grdl. 



'■^- Microcondylaea depre.ssa Mühlf. 

 * — truncata Drouet 

 Unio gangraeno.sus Zgl. 



— corrosus Villa 



— gredleri Drouet 



— spinellii Villa 



— cumensls Kob. (?) 



18 



