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



pero et infero valde arcaatis; umbones sat prominentes, 

 acutiusculi. Long. 2, alt. ly^, cr. lYo vam. 

 Hah. Suecia in Blekinge (Ronneby in Langasjo *) et Hel- 

 singland (ad Saune), 



Var. martensi Cl. ap. W. 1. c: c. major, solidior; long. S^/g, alt. 

 2%, cr. 2V5 mm. — Norv. ad Bergen. 

 b. — C forte striata. 



P. pulcheilum Jen. (Trans. Phil. Soc. Cambr., 1832). C. oblique 

 ovata, solida, sat ventrosa, dense et forte striata, nitida, 

 antice paullo elongata et attenuata, raargine supero forte 

 declivi, apice rotundata, postice abbreviata, lata, subtrun- 

 cata, inferne rotundato-angulata, margine ventrali arcuato; 

 umbones subinflati, prominentes. Long. SYo, alt. 2^/5, cr. 

 IV5 ram. 



Hah. Siiecia in prov. Skane, Blekinge (loco unico ad Ron- 

 neby), Ostergotland, Westergotland, Nerike, StockhohTi, Upland 

 (Ultuna et Temnaren), Westmanland (Persbo pr. W^esteras), Ge- 

 strikland (ad Gefle), Herjedalen (Ytterhagdal), Dalarne (par. Gu- 

 staf et Husby), Westerbotten (ad Pitea), Gotland (ad Visby). — 

 Norv. meridionahs et supra 62° lat. bor. multis locis. — Da- 

 nia in Sj£elland (ad Prsesto) et Jylland (in N5rreaa). — Fennia 

 in Satakunta in par. Virmo (Mus. Helsingf.). 



P. nitidum Jen. (Trans. Phil. Soc. Cambr., 1832). C. orbiculato- 

 ovata, paullo obliqua, solidula, compressiuscula, eleganter 

 dense striata, sulculis nonnuUis sub umbones, nitidissima, 

 antice attenuata, late rotundata, margine supero extense 

 declivi, postice rotundata, margine inferiore sat arcuato; 

 umbones depressiusculi, lati, rotundati. Long. 27,5, alt. 27.5 

 cr. 175 mm. 



Hah. In Suecia hsec species inter rariores enumeranda est, 

 occurit in Skane (ut in Ronnea), Westergotland (in Qvillebacken 

 pr. Goteborg), Upland (Teljoback par. Aker), Dalarne (Lillan 

 par. Orsa), Jemtland (ad Krokom) et hinc inde in provinciis 

 interjacentibus. — Norv. meridionalis et media multis locis, 

 etiam supra 62° lat. bor., vulgaris, in lacubus montium alte 

 sitis usque in Westfmmarken (in ins. Ando, 69° 33' 1. b.). — 



