. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Orthoc. 558 port of 1881, page 322, plate 28, figs. 11, 12, and plate ^3, figP. 1, 2. Specimens frequently flattened and shell destroj-ed; septa usually obliterated. Niagara formation, F J. Orthoceras sordidum, Billings. Geology of Canada, 1863, ^^ ^- — 59 page 121, fig. 39. Calciferous sand- stone {Lower Silurian) formation. II Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - col
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Orthoc. 558 port of 1881, page 322, plate 28, figs. 11, 12, and plate ^3, figP. 1, 2. Specimens frequently flattened and shell destroj-ed; septa usually obliterated. Niagara formation, F J. Orthoceras sordidum, Billings. Geology of Canada, 1863, ^^ ^- — 59 page 121, fig. 39. Calciferous sand- stone {Lower Silurian) formation. II 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
