. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Rogers, Geol. Pa. 1858, fig. 657. Hamilton for- mation. Reported b y Ewing(T4,434), as found in Centre Co., Pa., in the Chemung formation. Re- ported by White (G7,76, 229) as found in Columr hia Co. Pa., Hemlock township, 250' below the top of the Hamilton for- mation, VIII g; VIII gf Pteronites gayensis, Dawson. Acadian Geology, 1868. '^'page 301, fig. 101, surface covered with rounded concentric wrinkles. Found in the Carboniferous limestone^ Nova Scotia. X
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Rogers, Geol. Pa. 1858, fig. 657. Hamilton for- mation. Reported b y Ewing(T4,434), as found in Centre Co., Pa., in the Chemung formation. Re- ported by White (G7,76, 229) as found in Columr hia Co. Pa., Hemlock township, 250' below the top of the Hamilton for- mation, VIII g; VIII gf Pteronites gayensis, Dawson. Acadian Geology, 1868. '^'page 301, fig. 101, surface covered with rounded concentric wrinkles. Found in the Carboniferous limestone^ Nova Scotia. XTIIf Daw. Pteronites leevis. {Avicula Icevis.) Rogers' Geol. Pa., ). 1858, page 827, fig. 662. Hall, Geol. N. Y., 1843, page 180, figs. 71,6, Ham- ilton. In Pennsylvania, Columbia Co., Hemlock township (G7, 76, 230) in ^ black slate 20' below top of Marcellus, In Huntingdon Co., between McConnellstown and RR. station, and at the 203d M. post, P. RR., below Huntingdon (T3, 113), in vast numbers at the top of the Marcellus shales; see specs. 191-1, 3, 203, 2, 3. At the Cofi'ee run RR. quarry (p. 12) they lie in Hamilton lower shales. See spec. 190-6. VIII 5, g. Pteronites muricatus (Avioula murioata.) Hall. Geology Vni h. oi the Fourth District of New York, 1843, page 180^ fig. 71, 5. Mareellus formation. VIII h. 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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