. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Orthis costalis. (Hall, Pal. N. Y. Vol. 1, 1847, Chazy limestone.) Emmons, Amer. Geol. Vol. 1, part 2, 1855, p. 235, pi. 3, fig. 21 S, c, 26 a, 2f^ b ; about 32 strong folds on the two valves, one of which is flatter than the other. In the thin Chazy limestone beds, especially near Chazy village, Clinton Co., N. Y. Emmons, //5.—''O. costatus^"^ specimen 204-7 (GO, p. 232) in Fellows' coll. mill- dam, Eeedsville, Mifiiin Co. Trenton^ lie.—C. E. Hall repor
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Orthis costalis. (Hall, Pal. N. Y. Vol. 1, 1847, Chazy limestone.) Emmons, Amer. Geol. Vol. 1, part 2, 1855, p. 235, pi. 3, fig. 21 S, c, 26 a, 2f^ b ; about 32 strong folds on the two valves, one of which is flatter than the other. In the thin Chazy limestone beds, especially near Chazy village, Clinton Co., N. Y. Emmons, //5.—''O. costatus^"^ specimen 204-7 (GO, p. 232) in Fellows' coll. mill- dam, Eeedsville, Mifiiin Co. Trenton^ lie.—C. E. Hall reports it from Kishicoquillis Valley, Proc. A. P. S. Jan. 5, 1876, in Chazy., II h. Orthis erispata. Emmons, p. 404, fig. 113, 5. Loraine (Hudson river) formation. 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
