. Acta Soc. pro Fauna et Flora Fennica. Natural history. 128 C. A. Wesferlund, Synopsis Molluscomm Extramarinor. Scandin. quenter in parte meridi-orientali, non supra Tjudie in Karelen inventa. Var. cornu Cless. (Chemii. Cone. Cab., 1882): t. firma, altior, lateribus plus minusve depressis, antice convexa, apex po- sterior, marginem posteriorem fere superjacens, ssepius ta- men erosus, apertura elongato-ovata. — Suecia in Skane (ad Lund). — Dania in Lolland (Bjerremark). Var. westerlundi Cless. 1. c: t. sat firma, antice convexior, apex minimus, acutus, obsolete obliquus, apertura rotundato- o
. Acta Soc. pro Fauna et Flora Fennica. Natural history. 128 C. A. Wesferlund, Synopsis Molluscomm Extramarinor. Scandin. quenter in parte meridi-orientali, non supra Tjudie in Karelen inventa. Var. cornu Cless. (Chemii. Cone. Cab., 1882): t. firma, altior, lateribus plus minusve depressis, antice convexa, apex po- sterior, marginem posteriorem fere superjacens, ssepius ta- men erosus, apertura elongato-ovata. — Suecia in Skane (ad Lund). — Dania in Lolland (Bjerremark). Var. westerlundi Cless. 1. c: t. sat firma, antice convexior, apex minimus, acutus, obsolete obliquus, apertura rotundato- ovata; long. 6, lat. 5, alt. 3 mm. — Suecia ad Fogelsang prope Lund. ^ar. subcircularis ClesS. (Mai. Bliitt., 1880): t. orbitu elliptico- circularis, depressa, tenuis,sime radiatim striata, antice con- vexa, postice vix concava, lateribus rectis, apice dextrorse, apertura marginibus dilatatis; long. 5, lat. 4, alt. 21/0 nim. — Suecia in Skane (in lacu Ringsjon ad Klinta). Var. gibbosus Bourg. (Baud. Mem. d"Oise, 1852): t. elliptica, postice subaequale rotundata, supra forte convexa, inflata, postice concava, lateribus modice convexis, aj)ice vix obli- quo, marginem posteriorem valde approximate, apertura ovato-elliptica; long. 5, lat. 4, alt. 2V2—3 mm. — Norv. ad Kristiania, Asker, Sogneselven. Fiskum et Skien, vulgatior quam typus. (B. Esm.). A. daniciis n. sp. T. tenuissima, alba, nitida, perdepressa, elon- gato-elliptica, forma (et tenuitate) A. (Velletia) lacustri L. persimilis, densissime concentrice striata (striis nunc for- tioribus nunc tenuioribus), striis radiantibus obsoletissimis ad margines plano-dilatata, apice obtusissimo, obliquo, ex- centrico, margini dextro forte approximato, supra com- presso, post apicem recte declivis; apertura elongato-ellip- tica, postice angustior. Long. 672—8, lat. 3—4, alt. 2 mm. Hah, Dania ad Aarhus in penins. Jylland. (H. Sell). 3. Velletia Gray. T. dextralis, sentiformis, membranacea, non nitida, apice acuto ad s
Size: 1289px × 1939px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
