. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Ptero. 816 Pteronites chemungensis. (Avicula chcmun^ uxem, Geol. N. Y. page 182, fig. 49. Rogers Geo]. Pa., page 829. fig. 678. Hall Geol. N. Y., 1843, page 263, fig. 118, l,a, b. (Compare Avicula damno7iensis Sowerby. in Geolog. Trans. London 12] LIII, fig. 22.) Chemung for- mation,— In Huntingdon and Centre. 49.' counties it is characteristic of the Chemung (T, 29; T4, 434), as, for in- stance, in sandy shales No. 44,45, Fa. R. R., Juniata section


. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Ptero. 816 Pteronites chemungensis. (Avicula chcmun^ uxem, Geol. N. Y. page 182, fig. 49. Rogers Geo]. Pa., page 829. fig. 678. Hall Geol. N. Y., 1843, page 263, fig. 118, l,a, b. (Compare Avicula damno7iensis Sowerby. in Geolog. Trans. London 12] LIII, fig. 22.) Chemung for- mation,— In Huntingdon and Centre. 49.' counties it is characteristic of the Chemung (T, 29; T4, 434), as, for in- stance, in sandy shales No. 44,45, Fa. R. R., Juniata section below Hunt- ingdon. (T3, 264.) In Columbia Co. the Rupert's Narrow's beds 41 (G7, 69, 70; Claypole's Cat. spec. 93-11, fine speci- mens). The Bloomsburg section bed 67 (G7, 287), and beds 7, 9 (G7, 290) yield it with Chonetes setigerus. and Spirit era mesoGOStalis^ in the Chemung proper. But in the Catawissa section (G7, p. 238) it occurs with Lingula spatulata^ in bed25, 800 feet above the Catskill HoloptychiusAsh-hed^ or 1300 above top of Chemung proper. VIII g ; XI. Pteronites decussatus. [Avicula decussata.) Hall. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lesley, J. P. (J. Peter), 1819-1903; Pennsylvania. Board of Commissioners for the Second Geological Survey. Harrisburg, Board of Commissioners for the Geological Survey


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea