I04 ESMARK : MOLLUSCA OF NORWAY. 



Subgenus VITREA Fitz, 

 Hyalinia crystal I ina Mlill. In the neighbourhood of 

 Christiania, Modum in Christiania Stift ; Romerige in 

 Hamar Stift ; Vestfjorddalen in Telemarken, and Stordoen 

 in Bergen Stift. 

 H. contracta West. Rare. Forneboskoven, Bygdo, Ringerige, 

 Modum, and Asker in Christiania Stift ; Brevik and 

 Lillesand, in Christiansand Stift. 



Subgenus CONULUS Fitz. 



Hyaiinia fulva Miill. Very common ever5''where to Nordcap. 



Subgenus ZONITOIDES Lehm. 

 Hyalinia nitida Miill. Common in the southern parts. 

 H. nitida var. albida. Ringerige. 



H. norvegica B. Esm, Very rare. Langesund in Chris- 

 tiansand Stift. 



Subfamily HELICID^. 



Genus HELIX L. 



Subgenus PATULA Held. 



Patula pygmasa Drap. Probably very common, but researches 

 are wanting. Christiania, Krddsherred, Drammen, 



Modum, Asker, Hvaloerne, in Christiania Stift ; Tonset in 

 Hamar Stift ; Maalselven in the Amt of Tromso ; Por- 

 sangerfjord, Vardo, and Varangerfjord in the Amt of Fin- 

 marken. 



P. rotundata Miill. Not very common. In the neigh- 

 bourhood of Christiania, Eker, Laurvik, Hof, in the county 

 of Jarlsberg, Sandefjord, in Christiania Stift ; Brevik, 

 Langesund, Skien, " Gaustafjeld" (about 2460 metres high) 

 in Telemarken, Arendal, Lillesand, Bergen. 



P. rotundata var. albina. Malmoen, near Christiania. 



P. ruderata Stud. One of our most common species ; 

 goes as well to the far north as on our highest mountains, 

 wherever it is possible for any mollusks to live. 



P. ruderata var. albina. Tin in Telemarken, Roevenass in 

 Porsangerfjord, and Elvenses in South- Varanger. 



J.C, v., Oct., 1886. 



