92 C. A. Westerlund, Synopsis Molluscorum Extramarinor. Scandin. 



sime accrescentes, planulati, ultimus paullo ventricosus et 

 angulatus, apertura ampla, superne et extvis obtuse angu- 

 lata, margine exteriore fere verticalis; long. 65, lat. 29, ap. 

 long. 51, lat. 17 mm. — • Suecia passim. — Fennia ad Lu- 

 hanko et in lacu Kolmisoppi ad Kuopio (K. M. L.). 



Var. sophronia W. (Naclir. bl. Mal. Ges., 1893) : t. corneo-lute- 

 scens, concolor, forte malleata, spira longe et acute atte- 

 nuata, apert. retrorsum obliqua, peristomate plus minusve 

 reflexo; long. 45, lat. 20, ap. long. 20 mm. — Suecia in 

 Ostergotland (in lacu Skogssjon*: Dr. H. Neren). Testa 

 forma omnino cum figura 175 varietatis ad Budapest Hun- 

 garia lectse in Iconogi-apliia Kobelti congrua. 



Var. ivesterlundi Loc. (Conchyl. Fr., 1893): t. sat tenuis. fla- 

 vescens, spira elongato-conica, acuta, anfr. 7 — 8, lente re- 

 gulariter accrescentes, superi planulati, Lilt. plerumque con- 

 vexus, supra planatus, non angulatus, apert. quam spira bre- 

 vior, elongato-ovata; long. 50, lat. 18 — 20, ap. long. 23 — 25, 

 lat. 10 — 12 mm. — Passim, in Suecia usque ad Randijaur in 

 Lule Lappmark. — Dania in Sjtelland (inter Frederiksberg 

 et Lillerod: H. L.). — Fennia in Aland (in palude ad 

 Torpby : Mus. Helsingf ). — L. st. var. vulgaris W., nec Jeffr. 



Forma nereni W. (Nachr. bl. Mal. Ges., 1894): t. cornea, stria- 

 tula, strigis nonnullis ebui-neis ornata, apert. intus late 

 ebui'neo-labiata, margine exteriore supra medium exciso, 

 infra medium forte arcuatim producto; long. 46, lat. 20, 

 ap. long. 25, lat. infra med. 15 mm. — Suecia prope ad 

 Skeninge * frequens. 



Var. colpodia Bourg. (Specil Malac, 1862): t. cornea, striatula 

 et ssepe ad suturam longitudinaliter transverseque sulcis 

 tessellato-concavis, spira elongata, acuminato-conica, anfr. 

 parum convexi, ad suturam marginatam parum obliquam 

 planulati, apert. oblonga, acuta; long. 50, lat. 20 mm., ap. 

 long. 30, lat. 15 mm. — Dania. 



Var. gotlandica W. (Nachr. bl. Mal. Ges., 1894): t. crassissima, 

 albida, striatula, anfr. 7, ultimus medio planatus, antice 

 duplicatus, lamina intei-iore producta, margine supra me- 

 dium late concavo, infra mediiim forte producto, peristo- 

 mate recto, margine colum. in laminam latam perforatio- 

 nem subtegentem reflexo, marginibus callo lato tenui junc- 

 tis. Occurrit sub formis duabus: 1. diffusa, S]3ira produc- 

 tiore, acuta, tenui, apertura basi dilatata, margine colu- 

 mellari retrorsum arcuato, t. long. 36, lat. 20, ap. long. 23, 

 lat. inferne 15 mm. — 2. retusa, spira breviore, basi lata, 



