Notes on the Slugs and Land Shells of Iceland. 299 



Genus Arion (Ferussac). 

 Avion ater Linne. 

 W. Hafnarfjordur, 1912 (F.H.S. and B.S.). 



Common on the lava-flows in the Reykjanes peninsula, 

 1901 (B.S.). 

 S. Nuphlid (J.St.). 



2 specimens from Thingvellir (J.H.). 

 E. ' Not rare in the East ' (Mohr). 



var. atra Linne. 

 W. Hafnarfjordur, 1912 (F.H.S.). 



var. nigrescens Moquin-Tandon. 

 W. Hafnarfjordur, 1913 (F.H.S.). 



Remarks : Avion ater occurs probably only on the S.W. 

 and Southern parts of Iceland. 



Arion hortensis Ferussac. 

 W. Reykjavik (B.S.). 



Two specimens, labelled ' Iceland,' found 1840 by Jonas 

 Hallgrimsson (Morch). 



Arion snbfuscus Draparnaud. 

 N. Halldorsstodum, Laxardal, Sudur Thingeyarsyssel, 1916 



(F.P.). 

 W. Reykjavik (G. & B.S.). 

 S. Grindavik (B.S.). 



var. aurantiaca Locard. 

 W. Reykjavik, 1912 (F.H.S.) . 



var. juligiuea Morelet. 

 W . Hafnarfjordur, 1913 (F.H.S.). 



Genus Helix (Linne). 

 Sub-genus Hygromia Risso. 

 [Helix hispida L., var. morchi Westerlund, recorded in error by 

 Westerlund (Syn. Moll. Extram. Scand., 1897, p. 49, etc.) from Iceland ; 

 but he means Thorshavn, in Farce Islands (see Land-och Sottvatten- 

 Mollusker fran Vega-expeditionen, 1885, p. 145) by the same author]. 



Genus Helicogona (Ferussac). 

 Helicogona arbustorum Linne. 

 E. Seydisfjordur, July 8th, 1905 (B.S.) ; Nes in Nordfjordur, 

 1911 (S. Tomasson) ; Nordfjordur, 1912 (F.H.S.) ; 

 Bodvarsdalur in Vopnafjordur, Sept. 9th, 1898 (B.S.). 

 W. Isafjordur, 1913 (H.S.). 



var. alpestris L. Pfeiffer. 

 (=var. alpicola Ferussac). 

 E. Nordfjordur, 1912 (F.H.S. 

 W. Isafjordur, 1912 (H.S.). 



1917 Sept. 1. 



