. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 1852, pi. lA, figs. 20, 15, 11, (9 omitted), from member h of grits,- mouth of Black river. Supposed Pots- dam SS.—/. To this I add Owen's beautiful figures of slabs of Obolus grit from the same locality, to show the grouping of the little shells in the rock, pi. IB, figs. 3, 14.—/. Obolus canadensis, Billings. (Dinoiolus canadensis^ Please note that these images are extracted from scanned page images that may have been digitally enhanced for readabilit
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 1852, pi. lA, figs. 20, 15, 11, (9 omitted), from member h of grits,- mouth of Black river. Supposed Pots- dam SS.—/. To this I add Owen's beautiful figures of slabs of Obolus grit from the same locality, to show the grouping of the little shells in the rock, pi. IB, figs. 3, 14.—/. Obolus canadensis, Billings. (Dinoiolus canadensis^ 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
