. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Ptychoparia subcoronata, Hall and Worthen. L. C. Ptychoparia tener. (Conocephalites tener and neglectus^ Hartt, 1868, '"^ "" 5 Acad. Geol. Dawson, 2d ed. pp. 652, 654. (Wal- cott, Bulletin,. 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-
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Ptychoparia subcoronata, Hall and Worthen. L. C. Ptychoparia tener. (Conocephalites tener and neglectus^ Hartt, 1868, '"^ "" 5 Acad. Geol. Dawson, 2d ed. pp. 652, 654. (Wal- cott, Bulletin,. 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
