II 



Family 3. HELIGID.^. 



Genus I. SUCCINEA. 

 Succinea putris * 



Succinea putris, var. I subglobosa 

 Succinea putris, var. 2 vitrea 

 Succinea putris, var. 3 solidula 

 Succinea elegans 

 Succinea elegans, var. I minor 

 Succinea elegans, var. 2 ochracea 

 Succinea oblonga 



Genus 2. VITRINA. 

 Vitrina pellucida 



Vitrina pellucida, var. I depressiuscula 

 Vitrina pellucida, var. 2 Dillwynii 



Genus 3. ZONITES. 

 Zonites cellarius 



Zonites cellarius, var, I complanata 

 Zonites cellarius, var. 2 albida 

 Zonites cellarius, var. 3 compacta 

 Zonites alliarius 

 Zonites alliarius, var. viridula 

 Zonites nitidulus 

 Zonites nitidulus, var. i nitens 

 Zonites nitidulus, var. 2 Helmii 

 Zonites purus 



Zonites purus, var. margaritacea 

 Zonites radiatulus 



Zonites radiatulus, var. viridescenti-alba 

 Zonites nitidus 

 Zonites nitidus, var. albida 

 Zonites excavatus 

 Zonites excavatus, var. vitrina 



