. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 221 â Em. 1, 1847, Hudson group ) Emmons, Am. Geol. I ii, 1855, 173, plate 13, fig. 14; with an obscure keel; fine concentric striae, and a few strong wrinkles along the back ridge. I add from Geol. Canada, 1863, page 216, fig. 224. âHudson River {Lotaine) formation, Illh. Orthodesma rectum, H. & W. Pal. Ohio, Vol. 2, 1875,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 221 â Em. 1, 1847, Hudson group ) Emmons, Am. Geol. I ii, 1855, 173, plate 13, fig. 14; with an obscure keel; fine concentric striae, and a few strong wrinkles along the back ridge. I add from Geol. Canada, 1863, page 216, fig. 224. âHudson River {Lotaine) formation, Illh. Orthodesma rectum, H. & W. Pal. Ohio, Vol. 2, 1875,. 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