86 C. A. Westerhind, Synopsis Molluscorum Extramarinor. Scandin. 



fra elongata; long. 9—11, lat. oVo. ap. long. 7— TVo. lat. 4 

 mm. — Suecia ad Ronneby (in Herrstorpsjon), Goteborg 

 (in Qvillebacken), Jonkoping (in Lillsjon), Westergotland 

 (Mosseberg), Upland (ad Upsala et in Lenna sjo). — Fen- 

 nia in Aland ad Jomala, in amne Borga (Mus. Helsingf.) 

 et in Esbo-Lofo (K. M. L.). 



Forma costellata mh., t. dense costulata. — Suecia ad Stock- 

 holm (Nacka*, Carlberg: J. W.), in Sodermanland (in lacu 

 Sillen prope Charlottendal: A. d'A.) Dalarne (ad Hedemora) 

 et Jemtland (ad Pilgrimsstad : E. N.). • 



Var. nilssoniana Cless. (Malak. Blatt., 1879): t. ovata, solida, 

 sat crassa, ochracea ad fuscorufa, spira brevis, acuta, anfr. 

 3 — 3V2J perconvexi, sutura profunda, apert. rotundato-ovata; 

 long. 10—11, lat. 5^/2—6, ap. long. 6V2. lat. 41/2 nim. — 

 Suecia in Ostergotland (in lacu Takern), ad Stockholm (Norr- 

 tull: P. de L.), Upland (Upsala), Medelpad. — Dania in 

 Bornholm. — S. ochracea W. pr. p. olim. 



Forma major long. 12—15, lat. G—TVW ap. long. 7— 9, lat. 5— 6 

 mm. — Suecia in Gotland (Bunge). 



Var. mediolanensis Villa (Cat. Moll. Lomb., 1844): t. elongato- 

 ovata, firma, tenue striatula, perobliqua, spira brevis, anfr. 

 vix 3, convex!, ultimus ad sinistrum et antice ventrosus, 

 sutura profunda, antice subhorizontalis, columella concava; 

 long. 8—9, lat. 41/9, ap. long. 5—6, lat. 31/2 mm. — Suecia 

 in Oland (ad Kohlstad prope Borgholm, sat frequens). 



Var. diphya W. (Fauna Binnenconch. V, 1885): t. tenuissima, 

 perobliqua, ad sinistrum perconvexa, spira albida, anfr. 

 ult. brunnescens, striatulus, a medio extus flavescens et 

 forte rugoso-plicatus, basi longe attenuatus, apert. intus 

 margaritacea, marginibus callo albo conjunctis; long, ad 

 12, lat. 6V2. ap. long. 9, lat. 5 mm. — Suecia in Skane (ad 

 Sjobo: J. W.) et ad Stockholm (Norra Brunnsviken * prope 

 Roslagstull: J. W., ins. Tegelon: P. de L.). 



Var. ventricosa Pic. (Moll. Somme, 1840): t. elongato-ovalis, 

 spira dimidiam aperture attingente, anfr. convexi, ultimus 

 supra aperturam ventrosus, apertura superne acuta, infra 

 dilatata et elongata, columella arcuatula. — Suecia in 

 Lappland (Muoniovaara). — Fennia (Lapponia Eossica ad 

 Kusraka: Mus. Helsingf.). 



Var. propinqua Baud. (Journ. Conch., 1877): t. elongata, anfr. 

 ultimus validus, ventrosus, spira brevis, contorta, apertura 

 magna, elongato-ovata, plus quam -/s longit. totius; long. 

 12—22. lat. 7—12 mm. — Suecia ad AVesteras. 



