ESMARK : MOLLUSCA OF NORWAY. 



127 



NAME. 



7. Genus COCHLICOPA. 

 Cochlicopa lubrica 



var. minima 

 van albina ... 



8. Genus PUPA. 

 Charadrobia cylindracea 

 Pupilla muscorum 



var. lundstromi 

 var. elongata 

 var. minor ... 



Isthmia minutissima ... 



var. odontostoma ... 



Columella edentula 



var. gredleri 



Vertigo gravida 



V. pygmrea 



V. substriata ... 



V. antivertigo ... 



V. lilljeborgi ... 



V. alpestris 



V. arctica ..._ 



V. pusilla 



V. angustior ... 



9. Genus BALEA. 

 Balea perversa ... 



var. lucifuga 

 10. Genus CLAUSILIA. 



Clausiliastra laminata... 



var. virescens 

 var. nana ... 



Alinda biplicata 



Pyrostoma ventricosa... 



P. rolphi 



P. plicatula 



var. leucostoma 

 var. curta ... 



Iphigenia sejuncta 



I. dubia 



var. obsoleta 



I. cruciata 



I. bidentata 



var. septentrionalis 

 var. exigua ... 

 var. erronea 

 var. subrugosa 

 var. minor ... 

 var. elongata 



