— 90 — 



Limnaea auricularia Drp. St, Georgen. 



— vulgaris C. Pfr. Launsdorf. 

 Physa hypnorura L. Nadelhoff. 



Planorbis marginatus Drp. St. Georgen, Nadelhoff. 



— albus Müll. St. Georgen, Rosenbichl. 



— spirorbis Müll. Nadelhoff, „ 



— contortus Müll. „ „ 



— nitidus Müll. „ „ 

 Ancylus fluviatilis Müll. Simming. 



— lacustris Drp. Oellach. 

 Paludina vivipara Drp. St. Georgen. 

 Bithynia tentaeulata L. „ 

 Hydrobia viridula Kok. Simming. 

 Valvata piscinalis Müll. St. Georgen. 



— contorta Menke. „ 

 Anodonta cellensis Sehr. „ 



— latissima Kokeil. „ 

 Cyclas Cornea Drp. Treibach. Gurk. 



Pisidium fontinale C. Pfr. Treibach, Rosenbichl, Gurk, 

 Simming. 



Eine neue transcaucasische Clausilie. 



Clausula acrolepta sp. n. 

 Testa breviter rimata, ventricose fusiformis, confertim 

 striatula, subsericea, flavidofusca ; spira valde attenuata, 

 prope apicem gracilis; anfr. 11, primi tres subaequales, 

 laeves , sequentes convexiusculi , sutura simplici sat 

 profunda divisi, penultimus ventricosus, ultimus distanter 

 ruguloso costulatus, basi leviter bigibbosus, gibbere 

 inferiore subcristaeformi ; apertura parva, late piriformis, 

 peristoraa continuum, breviter solutum, vix expansum, 

 crassiusculum, flavido album ; lamella superior et inferior 

 parvae, illa märginem attingens; lunella conspicua; 



