. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 783 Proto. and solitary sponge spicules, large and small, some extremely slender, others large, long, stout and straight, some parallel, others divergent, or radiating, some anchoring, others perhaps defensive. Dawson, page 52, 53.—See Spong^es. Protostigma. Sigillarioides,. Lesquereux, Proceedings of the American Philoso- phical Society, Philadel- phia, 1877. Collet's Indi- ana Geological Report for 1883, plate 3, fig. 7,7 a; from the Cincinnati (Hud- son ri
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 783 Proto. and solitary sponge spicules, large and small, some extremely slender, others large, long, stout and straight, some parallel, others divergent, or radiating, some anchoring, others perhaps defensive. Dawson, page 52, 53.—See Spong^es. Protostigma. Sigillarioides,. Lesquereux, Proceedings of the American Philoso- phical Society, Philadel- phia, 1877. Collet's Indi- ana Geological Report for 1883, plate 3, fig. 7,7 a; from the Cincinnati (Hud- son river) slate formation- Ill h 1883 PK 3, Prototaxites logani, Dawson. {Nematophycus logani^ Oarruthers.) Q. J. G. S. London, Vol. 15, page 484. Supposed by Dawson to be the oldest known exogenous tree in America. Supposed by Oarruthers to be a large sea weed. Devonian, Yllh IX, Prototypus hitehcocki. {Angelina hitchcocki, Whitfield, L .^ ....^ P Jf pi ^4^ f^ ;i3 >) Walcott, Bulle- tin No. 30, U. S. G. S. page 211. plate 31, fig. 4, type specimen figured by Whitfield. lower Cambrian {Georgian) forma- tion Parker's quarry, Vermont, Z. C\. 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
