86 C.-A. Westerlund, 



Subgen. Isthmia Gray. Testa niinutn, dextrdrsa, oniuiuo feie cylin- 

 drica, obtusa, cosUilata vel costulnto-striata; a»/r. 5 — 7; aper- 

 tiira rotuudata, 2 — ij dcntata vel edentula. 



3. PUPA COSTULATA Nilsson. 



Testa cylindrica, regulariter et coiifertim costulata, fiilvido-ciuerascens; 

 anfr. 6 — 7, convexi, ultimns latior; apertura subovalis, typice 3-dentata: 

 dens parietalis 1, laraellilbrmis , columellaris 1, interdum niiiiinuis, parietalis 

 1, sœpe evanescens ; peristoma expaiisum, intus callo albo uitido incrassa- 

 tiim, extus pone aperturam callo albido cinctum. Lung. 2, diara. vix 1 mm. 



Pupa costulata Nilsson Hist. Moll. (182-2) p. 51. Pfeiffer Monogr. Ileiiceoi-. 11(1848) 

 p. 313. Malm Göteb. Yet., Yitt. S<imh:s Hnndl. II (1851) p. 124. Wallengren 

 Anteckn. i Zool. (185G) p. 89. (Nee P. costulata Bielz uec Gredlev, qutB Ver- 

 tigo muscoriim y deiitieiis Moq.-Tand.). 



Pupn ascaniensis A. Schmidt Zeitschr. f. Malak. 1849 p. 141, Pfeiffer Monogr. Heli- 

 ceor. Ill (1853) p. 554. (Ex spec, antli.). 



Hah. In Suecia prov. Skåne ad Esperöd (Landgren sec. Nils- 

 son); prov. Blekinge ad Sölvesborg (Wallengren); ins. Gotland ad 

 Visby, Östergarn, Stora Carlsö, Hoburg et Stenkumla (Högberg, Wallen- 

 gren, Lindström); in ins. Öland fere ubiqne copiosissima testa, prsesertim ad 

 Tveta, Wickleby, Ismantorpsborg, Borgholm, Horn etc. (C. A. W.); prov. 

 Östergötland prope canalera ad Spellinge par. W. Harg (ex. in collec- 

 tione d:ris E. v. GoeS vidi). 



4. PUPA MINUTISSIMA Haktm. 



Testa cylindrica, eleganter et confertim costnlato-striata, cornea; avfr. 

 5 — 6, convexi; apertura oblongo-subcircularis, edentula; peristoma reflexi- 

 uscnlum, tenue. Long, vix 2, diam. | mm. 



Pupa muscoriim Draparnand Tåld. Moll. (1801) p. 56. 



Pupa minuta Studer Verzeiclin. Schw. Conch. (1820) p. 89 (sine cliaract.). 



Pupa minutissima Hartmann in Neu Alpina (1821) p. 220, t. 2. f. 5. Rossmässler 



Iconogr. I (1835) p. 84. f. 38. Hartnian Nerikcs Moll. (1864) p. 6. 

 Vertigo muscorum Moquin-Tandon Hist. Moll. II (1855) p. 399, t. 28, f. 20—24. 

 Vertigo minuta Westerlund Sv. Moll. (1865) p. 70; Coll. Tvp. Moll. Su. (1868) n:o 57. 



Hah. In Suecia hane testarn ad pagum Kofta par. Glanshammar 

 prov. Nerike primus invenit clar. C. Hartman a. 18G2; postea inventa in 

 monte Omberg prov. Östergötland (teste prof. Lilljeborg), in coUis ad 



