Acta Societatis pro Fauua et Flora Fennica, Xlll, n:o 7. 121 



Pl. borealis (Loven) (W. Malak. Blatt., 1874). T. rufobrunnea v. 

 eornea, supra in medio immersa, subtus umbilicata, firma, 

 dense striata; anfr. 4\ ,, celeriter acerescentes, regulariter 

 convexi, penultimus inflatus, caeteris altior, ultimus duplo 

 major, utrinque subtequaliter convexus, antice strietus; 

 apertura parum obbqua, rotundato-ovalis, late sed leviter 

 albolabiata. Lat. 6 — 7 mm. 



Hab. Suecia in Lapponia tota sat frequenter, nec non in 

 Jemtland, Herjedalen et Helsingland. — Korv. fere tota usque 

 ad Varangerfjord vulgaris. — Fermia media et borealis in Lapp. 

 ross. (Kusraka 6672° lat. bor., Mus. Helsingf.). — Siihfossilis 

 in fossis turfosis Scania? meridionaiis (ut ad Stenstorp) frequen- 

 ter, — Syn, Pl. rossma?ssleri W. olim in Expose crit. et Fauna 

 Suec. 



Forma minor W., lat. 5 — 6, alt. IV., ™di. — Suecia in Dalarne 

 (ad Avesta, Orsa et in Ljusteran prope Sater: C. G. A.\ in 

 Wermland (ad Carlstad), Upsala (P, de L.) et Ostergotland 

 (Eriksberg in Svartgolen). 



Var. angigyrus W. (Exk. Fauna, 1884): t. dense et tenue stria- 

 tula, anfractubus perangnstis. — jSTorv. ad Hole * et Elve- 

 oen in Stens:Qord. 



Var. fngidus V^ . (Fauna Binnenconcli. pal. Eeg. V, 1885): t. 

 major, tenuis et fragilis, pallida (albida v. virescens), supra 

 in centro vix impressula, subtus leviter concava, striatula 

 et tenuissime spiraliter lineata, anfr. 4V-2, infimi lente regu- 

 lariter, nltimi celeriter accrescentes, supra convexi, sub- 

 tus convexiusculi, penultimus vix v. non altitudine ultimi, 

 apert, uon labiata, ssepe borizontalis; lat. 7 — 10 mm. — 

 Suecia borealis passim in Lappland, Harjedalen et usque 

 in HelsLngland (ad Ai-bra: E. C). — Norv. passim, ut in 

 Tromso stift (Ch. E.) et Ostfinmarken. — Fennia ad Enare- 

 trask* frequenter et maxima (A. "W. M. et Ch. E.), 



Var, deflexics W, (Fauna Binnenconch. pal. Eeg. V, 1885): t, 

 subtus profundius latiusque concava, anfr. ultimi celeriter 

 accrescentes, ultimus sat compressus, supra convexior, an- 

 tice profunde forteque descendens, apert. perobliqua. de- 

 pressa, cordato-ovata, callo continua; lat. 6—10 mm. — 

 Norv. ad Modum, 



P. gredleri Bz. ap. Gredl. (Tirols Moll. II, 1859). T. solida, 

 lutescenti-cornea, ssepe sordide obtecta, supra in medio 



