ESMARK : MOLLUSCA OF NORWAY. 105 



Subgenus ACANTHINULA Beck. 



Acanthinula acuieata var. sublaevis West. Brevik in 

 Christiansand Stift. 



A. harpa Say. This species is widely distributed, but in 

 most localities few specimens are found. Asker and 

 Eker in Christiania Stift ; Tonset and Valders in Hamar 

 Stift ; South- Varanger and several places in Porsangerfjord 

 in the Amt of Finmarken. 



Subgenus VALLONIA Risso. 



Vallonia COStata Miill. — Common in the southern parts. In 

 the vicinity of Christiania, Jarlsberg, Drammen, Sande- 

 fjord, Telemarken, Brevik, Skien ; Gudbransdalen in 

 Hamar Stift ; Tronden'ses and Tromso on Tromsoen in the 

 Amt of Tromso. 



V. pulchella Miill. Not so common as V. costata, but always 

 found together with it. Christiania, Ramnses in the county 

 of Jarlsberg, Hvalderne, Skien, Lillesand, Tromsoen in the 

 Amt of Tromso. 



Subgenus TRICHIA Hartm. 



Trichia hlspida L. Very common in some places in Chris- 

 tiania, Christiansand, and Bergen Stifts ; in Hamar Stift it 

 is rather rare ; I have not found it in CEsterdalen ; and as 

 it neither in Sweden nor in Finland goes higher than 6i°, 

 I doubt whether it is circumpolar as Clessin says in his 

 ' Excursions Fauna.' 



T. hispida var. depilata Pfr. In the vicinity of Christiania 

 and Sandefjord, Brevik and Skien. 



T. hispida var. conica Jeff. Bygdo near Christiania, Eker, 

 Sandefjord ; Manger in Bergen Stift. 



T. hispida var. septentrionalis Cles. Eker in Christiania 

 Stift ; Langesund. 



T. hispida var. concinna Jeff. Bygdo and several other 

 localities round Christiania ; Skien. 



T. hispida var. nana Jeff. Lango, near Christiania, Ram- 

 naes in the county of Jarlsberg. 



