. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. %m0\Jt. eepha- lites on- angon- diana^ Hartt, 1868, Acad. Geol. Dawson, 2d ed. p. 651,654.) Walcott, Bulletin No. 10, U. S. G. S. page 37, 38, plate 5, fig. 4, X 3, frontal furrow nearly obsolete; 45, distorted,'; 4(?, x 3, young head in proper shape; 46?, 4/1, 4c, x 2, type, distorted. Plate 5, 5, X 2, type of Hartt's aurora L. C* Ptychoparia piochensis, Walcott. Z. t7. Ptychoparia ? prospectensis, Walcott. L, C. tychoparia quadrans, Hall & Worthen
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. %m0\Jt. eepha- lites on- angon- diana^ Hartt, 1868, Acad. Geol. Dawson, 2d ed. p. 651,654.) Walcott, Bulletin No. 10, U. S. G. S. page 37, 38, plate 5, fig. 4, X 3, frontal furrow nearly obsolete; 45, distorted,'; 4(?, x 3, young head in proper shape; 46?, 4/1, 4c, x 2, type, distorted. Plate 5, 5, X 2, type of Hartt's aurora L. C* Ptychoparia piochensis, Walcott. Z. t7. Ptychoparia ? prospectensis, Walcott. L, C. tychoparia quadrans, Hall & Worthen. Z. C. Ptychoparia quadrata. {Conocephalites quadrata^ Hartt. Acad. Geol. Dawson 2d ed. p. 654.) Walcott, Bull. \^^'^ 10, U. S. G. S. page 39, plate 5, fig. 1, enlarged i twice., type. Lower Cambrian {Saint John) for- mation^ New Brunswick, Z. C. Ptychoparia robbi. Hartt. {Conocephalites formosus^ LC. 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
