297 — 



Pirostoina approximans Z; 



— tettelbachiana Rossm. 



— dubia Drp. 



— cruciata Stiid. 



— pumila Zyl. 



— plicatula Drp. 



* — mucida Zgl. 



* — asphaltiua Zgl. 



— lineolata Held 



* — corynodes Held 



* — filogTana Zsl. 



Succiuea putris L. 



— pfeifferi Rossm. 



— eleg-ans Risso 



— oblong-a Drp. 



Carychiuin minimum Müll. 



* — tridcntatiim Risso 

 *Zospeum amoeiium Ft'ld. 



* — spelaeuni Rossm. 

 *— schmidti Ffld. 



*— pulchellum Freyer 

 * — alpestre Freyer 

 * — frauenfeldi Freyer 

 *— costatum Freyer 

 * — nyctozoilum Bg-t. 



* — b e s u m Schmidt 



* — nycteiim Bgt. 



* — agieniim Bg-t. 

 *— laut um Ffld. 



*— reticulatum Hauff en 

 *— bidentatum Hauffen 



* — f r e V e r i Schmidt 



Limnaea stagualis L. 



— aiiricularia Drp. 



— ovata Drp. 



— lag-otis Sehr. 



— peregra Müll. 



— palustris Müll. 



— truncatula Müll. 

 Physa fontinalis Drp. 



— hypnorum L. 

 Planorbis marginatus Drp. 



— carinatus Müll. 



— rotundatus Poiret 



Plauorbis contortus L 



— albus Müll. 



— crista L. 



— complanatus L. 

 Sogmeiltina nitida Müll. 

 Ancylus fluviatilis Müll. 



— lacustris L. 



Cyclostoma elegans Müll. 

 Pomatias septemspirale Raz. 



* — tergestinus Westerl. 



* — vallae Stossich 



* — henricae Strob. 



* — plumbeus Westerl. 



* Acme spectabilis Rossm. 



Valvata piscinalis Müll. 

 *— spelaea Hauffen 



* — e r y t h r p o m a t i a Ha u ff. 



— cristata Müll. 

 Vivipara contecta ]\Iill. 

 Bithynia tentaculata L. 

 *VitreIla gracilis Cless. 

 *— hauffeni ßrus. 



* Frauenfeldia lacheineri Charp. 

 *Bythinella schmidti Charp. 

 *— cyclolabris Rossm. 



— nothites Westerl. 



— hoffmanni Westerl. 



— austriaca Ffld. 



* — opaca Zgl. 

 *— robici Cless. 

 *Lithoglyphus naticoides Fer. 

 *— prasinus Kok. 



— ovalis Westerl. 



*— fluminensis Sadler 

 *— küsterianus Cless. 

 * — robicianus Cless. 

 *Melania holandri Fer. 

 * — parvula Schmidt 

 *Hemisiuus acicularis Fer. 



* — esperi Fer. 



*Paladilhia robiciana Cless. 

 *Neritina stragulata Mühlf. 



* — danubialis Zgl. 



* — carinata Kok. 



