. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. VoLVn, jilcUre 5, ada, Yol. 7, 1889, page 43* wood cut 13, a restoration of this, Cambro-Silurian sponge; plate 3, fig. 6, photograph of its ap- pearance on a specimen of Metis hlack slate, II, Protospongia delicatula, Dawson. Trans. R. S. Canada, Vol. VII, sect. 4, 1889, page 43, wood cut 15 a^ restored; J, enlarged portion of the base of the sponge. For figures see under P, poly —II, Protospongia mononema, Dawson. Trans. R. S. Canada,. TransM^SXan VII
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. VoLVn, jilcUre 5, ada, Yol. 7, 1889, page 43* wood cut 13, a restoration of this, Cambro-Silurian sponge; plate 3, fig. 6, photograph of its ap- pearance on a specimen of Metis hlack slate, II, Protospongia delicatula, Dawson. Trans. R. S. Canada, Vol. VII, sect. 4, 1889, page 43, wood cut 15 a^ restored; J, enlarged portion of the base of the sponge. For figures see under P, poly —II, Protospongia mononema, Dawson. Trans. R. S. Canada,. TransM^SXan VII, p. 40, wood cut 5, a restoration of the sponge; pi. 3, fig. 3, its aspect on a fragment of Lower Silurian slate, 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
