. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. p( See White's report, G7, p. 41. Arionelhcs quadrangularis. See Agraulos quadrangu- laris. Lower Cambrian. Aristozoa. Specimen in Carll & Kandall's collections in Warren Co., Pa. C. E. Hall, Eeport of 1875, in Proc. Amer. Phil. Soc, Phila., January 5, 1876.—F///^, /X. Arthrolycosa antiqua. Harger. A fossil spider of the Coal Age, found in a Mazon creek nodule of the Hlinois coal field. Zittel's Handbuch der Palaeontologie, 1885, Vol. 2, page 735, f
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. p( See White's report, G7, p. 41. Arionelhcs quadrangularis. See Agraulos quadrangu- laris. Lower Cambrian. Aristozoa. Specimen in Carll & Kandall's collections in Warren Co., Pa. C. E. Hall, Eeport of 1875, in Proc. Amer. Phil. Soc, Phila., January 5, 1876.—F///^, /X. Arthrolycosa antiqua. Harger. A fossil spider of the Coal Age, found in a Mazon creek nodule of the Hlinois coal field. Zittel's Handbuch der Palaeontologie, 1885, Vol. 2, page 735, fig. 2{)d^natu,ral^\ A more perfectly pre- served spider, from the Colebrookdale coal measures of England, is added for comparison. Zittel (after Woodward), fig. 913. Arthrophycus harlani. (Fucoides harlani.) Hall, page 46, fig. 5, 1 and 2. Vanuxem, page 71, fig. 10. Rogers, page 821, fig. 623. See Conrad, An. Rt. N. Y., 1838. IV. Medina Sandstone formation. LVb. Note. See Harlania halli. There is a disposition among geologists to regard these forms as not plants, but worm-bur- rows. C. E. Hall collected them for the Survey in Schuylkill and in Mifflin counties. In the mountain gaps of Blair Co. the uppermost thin beds of the White Medina (LVc) mottled red and gray are often covered with a net work of obscure impres- sions of these seaweeds, beneath greenish non fossiliferous. 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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