46 C. A. Westerlund. Svnopsis Molluscorum Extramarinor. Scandin. 



nato-angulati. ultimus major; apeut. rotundata. forte albo- 



labiata. Lat. 2—2^^, alt. 2—21/2 mm. 



Hah. Siiecia in plerisque provinciis a Skane usque ad 

 Stockholm (ad Nackanas, in Wermdon et ad Kungshamn) spar- 

 sim et plerumque i^Skane, Blekinge et fide E. X. ad Dalbyo in 

 Sodermanland exceptis) raro. — Dania in pleiisque silvis. 



Var. suhkevis W. (Expose crit. 1871) : t. costis obsoletis. spinis 

 destituta, anfr. 4, apert. labro roseo. — Suecia in Blekinge 

 (in faginea ad Pehrsborg * pr. Eonneby) et Gotland (Skalso). 



— Norv. ad Brevik. — Dania in Sjaelland (ad Holstein- 

 borg) et Jylland (Linaa Westerskov;; ubique fide H. Lynge. 



— Occun'it subfossilLs in paludibus turfosis ad Stenstorp 

 in prov. Skane Suecite (unde specimina misit liber baro 

 CL Kurck). 



H. harpa Say (Exped. St. Peters, 1824). T. ovato-turrita, vire- 

 scens V. corneo-lutescens. confertim striatula et distanter 

 costulata; anfr. -4 — 5. rotundati. ultimus magnus. ventro- 

 sus; apert. rotundata, non labiata. Lat. 2 — 2^0. alt. 3^/2 

 — 4 mm. 



3ah. Siiecia in Lapponia tota multis locis frequens. unde 

 descendit rarior in Jemtland, Herjedalen, Dalarne (prope temp- 

 lum par. Lima: C. G. A.), Gestrikland (ad Gefle: Hj. Theel), 

 Westmanland (ad Lindbo: C. H. 3.) usque ad Stockholm (Sta- 

 ket: 0. S., Lidingon: P. de L., Bellevue: V. L.). — Norv. vero- 

 suniliter tota, praecipue in regionibus boreahbus usque ad Varan- 

 ger. — Fennia tota, forte parte merid. — occidentah excepta: 

 J. Sahlberg. 



Subgen. 3. Gonosioma Held. T. aperte umbilicata, orbiculata. 

 discoidea, arctispira; apert. verticalis, friangul<i- 

 ris, peristomate s(epe bidenfato. 



H. obvoluta Miill. (Verm. Hist. IL 1174). T. brunnea, pilosa, 

 supra medio ssepius immersa. Lat. 12, alt. 5 mm. Variat 

 edentata et glabra. 



Hah. In Dania, ubi olim vixit, in tumulo antiquo in pos- 

 sessione Taareborg prope Korsor in Sjaelland 1869 inventa (C. 

 M. P.) nec non mortua in Aero. 



Subgen. 4. Chilotrema Leach. T. aperte umbilicata, depressa, 

 acute carinata: apert. transverse ovalis, pensfo- 

 mate continuo, soluto. 



