Acta Societatis pro Fauna et Flora Fennica, XIII, n:o 7 85 



vexi, primus tuberciilo similis, sutiira minus obliqua; aper- 



tura maxima, margine columellari curvato. Long. 8 — 11, 



lat. 6—7, ap. long. 6V2 — "72, lat. 4 — 472 mm. 



Hah. Suecia in Blekinge (Ronneby), Ostergotland (Brunnby), 



Dalarne (Hedemora), Stockholm (Skiirsatra in Lidini:^on: V. L.), 



Medelpad, Westerbotten et ad Tornea, semper in vicinitate pro- 



xima vel etiam in litoribus maris. — Fennia in palude Malja- 



lampi in Kuopio (Mus. Helsingf.). 



S. groenlandica Beck (Index Moll., 1837). T. elongata, sat firma, 

 vix nitidula, pallide cornea, albido-strigata, spira scalari- 

 dea; anfr. 3, penultimus valde convexus; apertura ovalis, 

 columella subrecta, margine exteriore arcuato. Long. 8, 

 lat. 572, ap. long. 5, lat. 372 mm. 



Hah. Islandia. »S. sp. gronlandiciB aff. Long. 11, lat. 7 

 mm., long, apert. 6, lat. 472 mm. — Dania, exemplar unicum 

 Isesum a Bierremark in ins. Lolland» (Morch Syn. Moll. Dan.). 



2. Amphibina Hartm. T, anfractu ultimo convexiuscido, supra 

 infraque angustato, apertura anguste ovata, dimidiam te- 

 stce longe superante (Maxilla fiiscoflavida, medio dente 

 prominido) . 



S. pfeifferi Rossm. (Icon. I, 1835). T. obliqua, elongata, striata 

 et striatula, spira brevi, conica; anfr. penultimus subtus 

 extusque ventrosus, superne plus minus ve planatus, su- 

 tura demum minus obliqua; inter parietem et columel- 

 1am angulus distinctus. Long. 12, lat. 6, ap. long. 8 — 9, 

 lat. 5 mm. 

 Hah. Suecia ubi forma typica Rossmassleri (Icon. f. 46) 



rarissime loco unico (in litore lacus Svinosjon in Dalarne) in- 



venta est. 



Var. elongata Hartm. ap. Sturm (Faunula Helv. VI, 1829) : t. 

 spira elongata, acuta; long. 15 — 16, lat. 7—8, ap. long. 10, 

 lat. 6 mm. — Suecia a Skane usque in Lappland, multis 

 locis frequentior quani S. putris. — Norv. tota usque in 

 Westfinmarken. — Dania tota vulgaris. — Femiia tota 

 usque' in Lapponiam. 



Var. brevispirata Baud. (Journ. Concli., 1877) : t. spira perbrevi, 

 anfr. 3, celerrime accrescentes (1. minimus, 2. sat convexus, 

 3. maximus, elongatus, convexiusculus), ajDert. maxima, in- 



