Acta Societatis pro Fauiia et Flura Fennica, XIU. n:o 7. 123 



bus clalhrata, supra in centro paullo impressa, subtus la- 



tius umbilicata; anfr. 4^2 — 5, primi lente, ultimi duo cele- 



riter accrescentes, omnes utrinque lequaliter convexi, su- 



tura utrinque profuncla, ultimus penultimo duplo latior, 



peripheria rotundatus; apert. depresso-rotundata, valde obli- 



qua, margine columellari valde excavato. Lat. 5 mm. 



Hah. Siiecia in Skane (Kristianstad, Bosarp), Bleliinge 



(Ronneby in Herrstorpsjon •'■), Westergotlaud (Boras), Upland (Ul- 



tuna), Norrland (Sandon ad Pitea), Lappland (Muoniowaara ad 



68° lat. bor). — Norv. ad Valders et in Gudbrandsdalen. — 



Fennla ad Kuopio et Uleaborg (Mus. Helsingf.). 



Pl. concinniis W. (Ofvers. K. Vet. Ak. Forh., 1881). T. brunnea, 



tenue clathrata, supra sat profunde in centro immersa, 



subtus subplana v, medio leviter depressa; anfr. 4 — 5, in- 



feri lente accrescentes, utrinque forte convexi, terctes, su- 



tura profunda, ultimus fortius accrescens, regularis, utrin- 



que ffique convexus, superne obtuse angulatus, extus de- 



pressiusculus, medio carina membranacea prtcditus; apert. 



cordato-ovalis, perobliqua. Lat. 5 mm. 



Hab. Siiecia in Skane (Hjelmslund), Blekinge (Ronneby ad 



amnem pr. cataractam ••■), Oland (Borgholm, rarissime, nullus 



alius Gyraulus in insula inventus), Dalarne (Wabiick), Werm- 



land (Carlstad), Wcstmanland (Olofsfors). — Norv. in Oier, 



Ringebu etc. — Fennia ad Nikola pr. flumen Svir et in Yliine 



ad laterariam Tourula (Mus. Helsingf.), 



Var. gothicus W. (Expose crit., 1871): t. siipra in niedio um- 

 bilicata, subtus omnino plana, tenuissime clathrata, anfr. 

 sat celeriter accrescentes, omnes tantum subtus visibiles, 

 Libi convexi, sutura canaliculata, ultimus carina tenui in 

 medio, apertura perobliqua; lat. 5 mm. — Suecia in We- 

 stergotland (ad Pirkum * par. Sandhem et ad Mosseberg). 



Pl. coiTectiis mh. T, supi^a plana, medio levissime depressa, sub- 

 tus medio umbilicata, striata et leviter clathrata; anfr. 5, 

 utrinque forte convexi, pra^cipue antipenultimus, lente re- 

 gulariter accrescentes, ultimus cylindricus, penultimo vix V^ 

 latior, superne in suturam profundam declivis, antice de- 

 scendens; spira orbitu magna (raajor quam apud omnes affi- 



