Acta Societatis pro Fauna et Flora Fennica, XIII, n:o 7. 145 



71/2 ii'^ni. — Dania in J3''lland (prope Aarhuus a C. M. Poulsen 

 detectum) nee non in Sjselland (Kingsted, Krogerup, Dense), 

 Fyen (Korup) et ad N\^kjobing in Lolland a H. Lynge in- 

 ventuni). 



S. ulicnyi W. (Naturf. Verein in Briinn, 1894). G. irregulariter 

 ovato-quadrangulata, panllo supra medium ventrosa, infra 

 compressa, corneo-cinerea, fascia marginali lutea, forte 

 striata, antice abbreviata, infra medium rotundata, postiee 

 longior, oblique truncata, pone ad basin acuminato-rotun- 

 data, margo dorsalis (inter umbones) brevis, rectus, ven- 

 tralis subrectus; umbones tumidi, prominentes; ligamen- 

 tum distinctum; dens card, exterior longissimus. Long. 12, 

 alt. 10, cr. 7 mm. 



Hah. Suecia ad Stockholm (in lacu Trehorningen: V. L.). 

 — Dania in Jylland (Horsens: H. L.). — S. scaldianum Auct. 

 omnium, nee Gyclas scaldiana Norm.! 



S. ovale Fer. (Ess. meth. Conch., 1807, Cyclas). C. orbiculato- 

 subrhombea, subinsequilatera, angulata, vix ventrosula, ad 

 margines acute compressa^ eleganter striatula, nitida, fla- 

 vocornea, tenuis, antice rotundata, post umbones dilatata, 

 oblique descendens (subtruncata), marginibus (testae clausse) 

 acutis, rectiuscuHs, inferiore solummodo arcuato; umbones 

 parvi, acutiusculi; dens card, exter. longissimus, dens card, 

 valv. dextrae subfurcata. Long. 7 — 8, alt. 572, ci'- 4 mm. 

 Forma major, 1. 14, a. 7, cr. 6 mm. 



Hah. Suecia sparsim a Skane usque ad Qvickjock in Lule 

 Lappmark (67° lat. bor.). — Now. circa Kristiania et ad Jged- 

 deren. — Dania in Jylland (Veile &c.: H. L.). — Fennia ad 

 Kuopio (Jynkka), in Lahafors, Borgniis, ad Tammerfors, Carelia 

 rossica (Tjudie): Mus. Helsingf. 



S. mamillanum W. (Expose crit., 1871). C. rotundato-ovata, 

 parum ventricosa, maxime ad umbones tumida, delude 

 compressa, subtiliter striata, flavo-cornea, ad margines acute 

 compressa, postiee dilatata, truncata, orbitu rotundata, non 

 angulata, margine infer, parum curvato v. rectiusculo; um- 

 bones tumidi, obtusi, mitrellis magnis, planiusculis; dens 



10 



