158 C. A. Westerlund, Synopsis MoUuscornm Extramarinor. Scandin. 



Hab. Suecia per totum regnum usque in Lapponiam quam 

 maxime septentrionalem. — Norv. saltem usque in Nordlanden 

 vulgaris. — • Dania tota vulgaris. — Fennia meridionalis et 

 media. 



Var. magnifimm Cless. ap. West. (Fauna Stiec. 1873): c. major, 

 magis ovata, inflata, parte anteriore magis elougata, um- 

 bonibus maximis, rotundatis, valde prominentibus; long. 

 o, alt. 4, cr. 3^/^ mm. — Suecia ad Goteborg *, ad Stock- 

 holm (Haga: Hj. W.) et in Upland (ad Harg). — Norv. ad 

 Bergen. 

 Var. fragile Cless. aj). West. 1. c: c. parva, tenerrima, ventii- 

 cosissima, nitida, striata; long. 31/5, alt. 3, cr. 2^/iq mm. 

 — Suecia ad Eonneby. 

 Var. solidum Cless. ap. West. I. c: c solida, flavida, tenuiter 

 striata, splendida; long. 3%, alt. 3, cr. 2^/2 mm. — Norve- 

 gia ad Bei-gen. — Dania in Sjselland (Fuirendal, Holte, 

 EUemose ad Valdbygaard, Silketorp). 

 Var. esmarkianum Cless. (Malak. Blatt. 1883): c magna, tenuis- 

 sima, forte irregulariterque striata, diasomatibus pluribus 

 magnis, parte anteriore angustato, rotundato, posteriore 

 abbreviato, rotundato, umbonibus latis, inflatis. — Norv. 

 ad Kristiania, Herstad in Hof et Jarlsberg. 



'P. personatum Malm (Gote}3. Samh. Handl. 1853), G. tenuis- 

 sime striata, sulcis profundioribus 1 — 5 prsedita, nitidis- 

 sima, compressiuscula, supra medium maxime ventrico- 

 sula (valvis leviter et sat regulariter convexis, deorsum 

 parum compressis, angulum obtuse-acutum formantibus); 

 umbones subprominuli. Long. 3-/3, alt. 375, cr. 2^3 mm. 

 Hah. Suecia ad Goteborg (in rivulo ad Hofas), Ronneby 



etc. — Norvegia ad Romerige. — JDania in Sjselland (Rorup: 



H. L.), Jylland (Visborg, Norreaa). Islandia. — Fennia in Solo- 



vetsk (Mus. Helsingfors). 



P. pusillum Gmel. (Syst. nat., XIII 1788, Teliina). G. orbiculato- 

 ovalis, striatula, infra striis paucis profundioribus, vix ni- 

 tidula, sat solida, antice late rotundata, compressiuscula, 

 valvis regulariter convexiusculis, ad marginem ventralem 

 angulum subacutum formantibus; umbones lati, rotundati, 

 prominuli. Long. S^^, alt. 3, cr. 2^4 mm. 

 Hah. Snecia ad Goteborg multis locis, Rohuslan (in pa- 



