Acta Societatis pro Fauna ct Flora Fennica, Xlll, n:o 7. 121 



PI. borealis (Loven) (VV. Malak. liliilt., 1874). T. lufobrunnea v. 

 cornea, supra in medio inimersa, subtus umbilicata, firma, 

 dense striata; anfr. 4Y2, celeriter accrescentes, reguiariter 

 convexi, penultinius inflatus, ea^teris altior, ultinius duplo 

 major, utrinque SLibcC({ualiter convexus, antice strictiis; 

 apertura parum obliqua, rotundato-ovalis, late sed leviter 

 albolabiata. Lat. 6 — 7 mm. 



Hah. Sitecia in Lapponia tota sat frequenter, nee non in 

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

 ad Varangerfjord vulgaris. — Fennia media et borealis in Lapp, 

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

 in fossis turfosis Scaniie meridionalis (ut ad Stenstorp) frequen- 

 ter. — Syn. PL rossma^ssleri W. olim in Expose crit. et Fauna 

 Suec. 



Forma 7ninor W., lat. 5—6, alt. IV2 mm. — 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. — Norv. ad Hole * et lHve- 

 oen in Stensfjord. 



Var. frigidus W. (Fauna Binnenconch. pal. Reg. V, 1885): t. 

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

 in centro vix impressula, subtus leviter concava, striatula 

 et tenuissime spiraliter lineata, anfr. ^7.2, infimi lente regu- 

 lariter, ultimi celeriter accrescentes, supra convexi, sub- 

 tus convexiusculi, penultimus vix v. non altitudine ultimi, 

 apert. non labiata, seepe liorizontalis; lat. 7—10 mm. — 

 Suecia borealis passim in Lappland, Harjedalen et usque 

 in Helsingland (ad Arbra: E. C). — Norv. passim, ut in 

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

 trask * frequenter et maxima (A. W. M. et Ch. R.). 



Var. (leflcxiis W. (Fauna Binnenconch. pal. Reg. 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. H, 1859). T. solida, 

 lutescenti-cornea, ssepe sordide obtecta, supra in medio 



