Taf. XXII. 
1 , 2 . Melanopsis scripta Fuchs. 
3 , 4 . „ Küpensis Fuchs. 
5 , 6 „ Martini ana Fer. 
7 — 14 . „ pygmaea Parlsch. 
15 , 16 . Congeria Balatonica Partsch. var crassitesta. 
17 — 19 . Pleurocera Radmanesti Fuchs. 
20 — 22 . „ Kochii Fuchs. 
23 — 25 . Valvata Kitpensis Fuchs. 
26 — 28 . Congeria auricularis Fuchs. 
29 — 31 . Cardium Hanlkeni Fuchs. 
