Acta Societatis pro Fauna et Flora Fennica, XllI, n:o 7. 135 



alba V. cilierea, anfr. 4, convexi, infimus ventricosus, reliquis omnibus 

 siinul sumtis duplo lougior et largior, cum in jaculatore (tentaculata 

 L.) longitudine ^qualis sit; diam. 2/3-2 lin. In paludosis (Daniee) mi- 

 nus frequens." Juvenis"? 



Hah. Typus: Suecia a prov. Skane usque in prov. Medelpad. — 

 Korv. ad Kristiania. - Dania tota. - Fe7i7iia meridionalis et media. 



B. leachi Shepp. (Trans. Linn. Soc. 1823, Turbo). T. late ri- 

 mata vel subperforata, snb microscopo densissime spira- 

 liter lineata; anfr. inflati, subcylindracei, sutura profunda 

 V. profundissima, antice subhorizontalis; peristoma conti- 

 nuum vel subsolutum; operculum (ut apert.) rotundatum, 

 superne non vel obsoletissime angulatum. 



Tyims: t. late rim.ata, ovato-conica, basi sat ventricosa, lute- 

 scenti-cornea, spira breviter conica, acuta, subgradata, ex 

 anfractu ultimo ad sinistrum dilatato subite attenuata. anfr. 

 5, forte convexi, teretes, subscalarati, super! infra subito 

 constricti, sutura inferne profundissima, canaliculata, pen- 

 ultimus major, superos altitudine sequans, ult. rotundatus. 

 quam spira brevior, apert. ovato-rotundata; a. 5-7, 1.4— o 

 mm. - B. ventricosa Gray 1821 (nomen!), B. sp. Nilss. 

 1822, B. troscheli Paasch 1843, B. inflata v. minor Hansen 

 I845'. B. similis pr. p. Stein 1850, Malm 1855, B leachi 

 Jeffr. 1862, Eeeve 1863, B. ventricosa v. minor Morch 1864. 

 B. inflata CI. 1837 (exl. 53^. omn.). 



Var. inflata Hansen (Ofvers. K. Vet. Ak. Forh. 1845): t. perfo- 

 rato-rimata, subovata, ventricosa, tenuiuscula, pallide cor- 

 nea, spira brevis; late conica, anfr. 5, valde et regulariter 

 convexi, sutura profunda, ult. inflatus, ad sinistrum late 

 convexus, spiram subsequans, apert. subovato-rotundata ; a. 

 8—11, 1. 5-73/4 mm. — Suecia ad Norrkoping (in Lilian). 

 — r'ania ad Kjobenhavn (Norreport). — B. similis Stein 

 pr. p. 1850, B. inflata Klist. 1852, B. ventricosa Morch 1864, 

 B. transsilvanica Bielz olim, B. troscheli Bielz 1867. 



Hah. Typus: Suecia in Skane, Oland, Gotland, Ostergot- 

 land, Westergotland, ad Stockholm (Djurgardsbrunnsviken, Hu- 

 sarviken, Djursholm etc.) Upland (ad Upsala). — Dania in 

 SjasUand, Fyen, Moen et Jylland. 



