. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 507 Orth. Orthis acuminata, Billings. Can. Nat. Geol. Vol. 4, 1859. )/1\ 59 a Geol. Can. 1863, p. 130, figs. 59 a. ventral "^0^^ b rj valve; 5, side view. Chazy limestone^ Orthis acutiloba, Ringueberg. Proc. Acad. Nat. Sci. Phila- V^. im 5c. PhllacU, \. 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
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 507 Orth. Orthis acuminata, Billings. Can. Nat. Geol. Vol. 4, 1859. )/1\ 59 a Geol. Can. 1863, p. 130, figs. 59 a. ventral "^0^^ b rj valve; 5, side view. Chazy limestone^ Orthis acutiloba, Ringueberg. Proc. Acad. Nat. Sci. Phila- V^. im 5c. PhllacU, \. 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
