30 C. A- Westerlund, Synopsis Molluscorum Extramarinor. Scandin. 



totius sequans v. superans, colore valde variabilis, rugse cor- 



poris oblongse, planulatse. Long. 30 — 60 mm. 



Tlab. 8uecia tota (etiam ad Karesuando in Torne Lapp- 



mark ad 68° — 69° \. h. inventus). — Norv., Dan. & Fennia 



vulgaris. 



Var. norvegicus W. (Expose crit., 1871): uncini radulse latera- 

 les denticulo postico muniti, testa interna crassa, convexa, 

 ad dextrum emarginata' (in typo testa tenuis, plana, mar- 

 ginibus hyaliuis, uncini non denticulati). — Norv. in Rin- 

 gerige (juxta viam in abietina 200 m. s. m. "), Fiskum, 

 Hole. 



2 Hydrolimax Malm. Corpus parvum, gracile, firmum, uni- 

 color, non vel breviter carinatum, cylindricum, postice 

 hrevissime acuminatum, suclor non coloratus. 



A. heydeni Heyn. (Malak. Bliitt., 1863). Inter A. agrestem et 

 Isevem medius, corpore breviter carinato, albido, lutescente 

 vel rufescente, tentaculis brunneis, sudore lacteo. Long. 

 clypei 5 mm., corporis 10 mm. 



Hah. Suecia ad Stockholm et Dania in Sjaelland ad Konge- 



kilden (0. M.). 



A. laevis Miill. (Verm. Hist. II, 1874, Limax). Clypeus Vg totius 

 longitudinis sequans, profunde concentrice striatus, postice 

 omnino rotundus, corpus nigrescente-brunneum, nitidissi- 

 mum, rugis longis latisque, sudor aquosus. Long. 15 — 

 25 mm. 

 Hah. Suecia meridion. et media sat vulgaris, saltem usque 



in Upland. — Norv. meridionalis. — Dania vulgaris. — Fennia 



meridionalis et media (K. M. L.). 



Var. mucronatus W. (Expose crit., 1871): luteo-brunneus, lateri- 

 bus pallidis, solea alba, unicolor (in a pallide brunnea, me- 

 dio albescens), clypeus postice processu conico; long. 10 

 mm. — Suec. ad E.onneb}'' (Herrstorpsjon). 



3. Arctolimax W. Corpus parvuni, firmum, dorso rotnndum, 

 convexum, postice sat subito angustatum, caiula per- 

 brevi compresso et superne subcarinato, clypeus postice 

 late rotundatus, antice crassus et forte dilatatus. Li- 

 macella ohlonga, laterihus parallelis, antice truncata. 



A. hyperboreus W. (Sibir. MolL, 1877). Supra ater, lateribus 



