. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. plate XI, fig. 1, dorsal valve; fig. 1 a, ventral valve; fig. 1 J, interior of dorsal valve; all three enlarged about three times. Inserted small figs. 9 and 10, are from page 110, describing the genus Obolella,—Lower Cojmbrian formation, at L'Anse on Loup, Straits of Belle Isle (north side).—(See Billings, Geol. Vt. 1861, pi. 2, figs. 346 a to d, 1861; Geol. Can. 1863, figs. 288 aio^d; Pal. Foss. 1865, pi. 1, figs. % aio^d; A. J. S. 1876, p. 176, figs. 1 to
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. plate XI, fig. 1, dorsal valve; fig. 1 a, ventral valve; fig. 1 J, interior of dorsal valve; all three enlarged about three times. Inserted small figs. 9 and 10, are from page 110, describing the genus Obolella,—Lower Cojmbrian formation, at L'Anse on Loup, Straits of Belle Isle (north side).—(See Billings, Geol. Vt. 1861, pi. 2, figs. 346 a to d, 1861; Geol. Can. 1863, figs. 288 aio^d; Pal. Foss. 1865, pi. 1, figs. % aio^d; A. J. S. 1876, p. 176, figs. 1 to 4 d See also Ford, 1881, in A. J. S. Vol. 21^ p. 133, figs. 3, 4.)—Z. G,. 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
