. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 139 CONO. Wisconsin, &c., 1852, pp. 123,127, etc.—See Appendix for a re- markable structure in anthracite, excessively rare, which must be referred to the same cause, but cannot be explained by ref- erence to any known form, organic or inorganic.—See also an excellent figure of Oone-in-cone^ in Hall, Geol. Fourth Dist. N. Y., 1843, page 232.—Also good figures in WinchelPs Geol. Studies, 1886, page 257.—See Appendix. Conocardium acadianum, Hartt, Dawson, A
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 139 CONO. Wisconsin, &c., 1852, pp. 123,127, etc.—See Appendix for a re- markable structure in anthracite, excessively rare, which must be referred to the same cause, but cannot be explained by ref- erence to any known form, organic or inorganic.—See also an excellent figure of Oone-in-cone^ in Hall, Geol. Fourth Dist. N. Y., 1843, page 232.—Also good figures in WinchelPs Geol. Studies, 1886, page 257.—See Appendix. Conocardium acadianum, Hartt, Dawson, Acadian Geol- X!. c-i^ .mn^ "°- ogy, 1S68, page 305, fig. 110, a curious minute shell of the sub' carhoniferous limestone of Nova Scotia, with a long wing-like siphonal tube; figure enlarged !x) W- .P-Sos 10 times.—XL Conocardium'carinatum. (Hall, Trans. Alb. Inst. Vol. 4, y^ 18 19 1856, from Warsaw group. Whitfield, Iri ^^ Bull. 3. Am. Mus. N. H. 1882, plate 7, 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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