Acta Societatis pro Fauna et Flora Fennica, Xlll, n:o 7. 127 



land, Nerike (inler Akerby et Akerbytorp), Sodermanland, Stock- 

 holm (ad Nacka: G. Eisen), Upland (Upsala: W. L.). — Norv. 

 ad Bergen (fide Friele). — Dania tota. — Fennia merid. (Aland, 

 Helsinge, Sordavala, Saimen etc). 



Var. clessini W. (Fauna Suec, 1873) : t. convexiuscula, medio 

 impressione punctiformi, subtus plano-convexiuscula, me- 

 clio anguste umbilicata, spira parva (Y^ lat. totius), anfr. 

 ult. utrinque extus subrequaliter compressus, margine sub- 

 mediano acuto, subtus ab umbilico extus declivis, apert. 

 elongato-cordata; lat. 7 — 8 mm. — Suecia in Skane, Sma- 

 land (in Lillsjon* ad Jonkoping), Upland (ad Forsmark in 

 Eoslagen), Oland (ad Borgbolm). — Dania in Bornhoh"n. 



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

 supra convexa, foveola in medio, subtus subplana, anguste 

 sed profunde umbilicata, spira angustior quam anfractus 

 ultimus, anfr. 4Vo — 5^2, superi immersi, perangusti, exte- 

 riores duo celeriter accrescentes, vix convexiusculi, sen- 

 sim extus declives; lat. SY^— 6V2 ''^^™- ^^ Suecia in Oland 

 (Borghohn in Kungstradgarden *). 



Subfam. Ancylina. 

 T. 'patdUformis, nhsque spira. 



Gen. Ancylus Geoffr. 



T. dcpresso-lateqiie conoidea, cqyice verticis scqrissime 

 sidjmcdiano, refiexo. 



1. Ancylastrum Moq.-Tand. T. sinistralis, mitrceformis, cor- 

 neo-cakarea, late conoidea, intus nitida, apice paidisper 

 qd dextrum. 



A. simplex Buc'hoz (Aldr. Loth., 1771). T. ovata, postice distincte 

 angustior, concava, ad Ys totius longitudinis extra apicem 

 extensa, supra antrorsum extense convexa, hiteribus con- 

 vexiuscuJis, subtiliter radiatim striata, apice a raargine po- 

 steriore remoto; apertura rotundato-ovata. Long. 5, lat. 4, 

 alt. 272—3 mm. (A. fluviatilis Mull., 1774). 

 Hah. Siiecia meridionalis et media usque in Dalarne. — 

 Norv. ad Kristiania, Sandefjord, Asker in fluvio ad Blakstad, 

 Jsedderen et Moss. — Dania tota sparsim. — Fennia sat fre- 



