Acta Societatis pro Fauna et Flora Fennica, XIII, n:o 7. 183 



Hal). Suecia in Skane (ad Ortofta). 



A. lanceolata Drt. (Jonrn. Gonch. 1893). C. oblongo-lanceolata, 

 sLiperne usque ad rostrum turaidula, infra medium com- 

 pressa, tenuis, ad oras squamosula, pallide olivacea, postice 

 superne obscura, in rostrum attenuato-truncatum producta, 

 margo superior leviter ascendens, posterior subrectus, 

 sensim descendens, inferior rectiusculus, postice juvenis 

 forte, adultus parum ascendens; nates depressas (erosse); 

 crista humilis; margarita coerulescens, antice albida. Long. 

 70—85, alt. 40-43, cr. 27-84 mm. (West. 1. c.) 

 Hah. Suecia in Blekinge (in lacu ad Emmahult*: Hj. W.). 



— Fennla in lacu Nurmijiirvi in Nyland et in Satakunta 



in amne Ylane (Mus. Helsingf.) 



A. limbata Drt. (Journ. Conch. 1893). C. ovata, tumidula, tenuis, 

 ht'viuscula, nitida, ohvacea, obsolete viride radiata, antice 

 attenuata, postice m rostrum breve, attenuato-obtusum 

 desinens, margo superior longe ascendens, posterior forte 

 descendens, inferior regulariter arcuatus; nates depressoe, 

 phcatulse, rubiginosae; crista elata, dilatata; margarita 

 lactea, peripheria distincte fusco-limbata. Long. 65 — 80, 

 alt. 40—45, cr. 23 mm. (West. L c.) 

 Hah. Suecia in Skane (in amne Keflingea: R. H.), Wester- 



gotland (Brunnsbobacken^-' ad Skara: J. W.) et in Miilaren (in 



Arstaviken: V. L.). 



A. minima Mill. (Mem. Soc. agr. d'Angers 1833). C. obliqua, 

 oblongo-ovahs, piceo-nigra, nitida, striatula, zonis paucis, 

 in medio ventrosula, de caetero compressa, antice sat de- 

 pressa, latiuscula, rotundata, postice fere duplo longior, 

 rostro inframediano obtusissimo, margo dorsalis subrectus, 

 ascendens, posterior longus, rectus, ventrahs utrinque 

 arcuatus, medio subrectus; umbones forte decorticati, area 

 compressa, medio angulata. Long. 50 — 60, alt. 35 — 37, 

 cr. 18 — 20 mm. 



Hah. Sitecia in Westergotland (in Dofsabacken et Vik- 

 toriasjon ad Skara: J. W.), Ostergotland (Kilarpsjon), Soderman- 

 land (in Langsjdn: Hj. W.) et Upland (Ormgardssjon: V. L.). 



