62 iKiDTirjOF økland: arionioae of NORWAY. M.-N. KI. 1922. No. 5. 



EXPLANATION OF PLATE. 



Arioii (iter (L.) var. atra, '/l. 



and J. Arioti stihfusciis (Drap. I, '/l. 



Arion circuniscriptus Johnston var. circmiiscripta nom. nov., ',1. 



„ „ „ II nigra nov. var., ' 1. 



„ „ „ ab. flava nov. ab., ' 1. 



Arion hortensis Fér., '/i. 



Arion intermedins (Norm.), '/l. 



Printed October 30th 1922. 



