. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Orthis demissa ? Oast showing muscular scar, 854-41, (00, p. 236) in Sherwood's coll. Charlestown, Tioga Co. Fa. from Upper Chemung^ VIIIg, Orthis dichotoma. (Hall, Pal. N. Y. Vol. 1, 1847.) Em- mons, Amer. Geol. Vol. 1, pi. 2, p. 195. fig. 13; valves unequally convex; folds fork half way from beak to base; crenulations indistinct.—III h. Blue limestone of Ohio PI 9 (Hudson river) formation Note.—S. A. Miller makes this and Orthis fissicosta (Hall) the same.
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Orthis demissa ? Oast showing muscular scar, 854-41, (00, p. 236) in Sherwood's coll. Charlestown, Tioga Co. Fa. from Upper Chemung^ VIIIg, Orthis dichotoma. (Hall, Pal. N. Y. Vol. 1, 1847.) Em- mons, Amer. Geol. Vol. 1, pi. 2, p. 195. fig. 13; valves unequally convex; folds fork half way from beak to base; crenulations indistinct.—III h. Blue limestone of Ohio PI 9 (Hudson river) formation Note.—S. A. Miller makes this and Orthis fissicosta (Hall) the same. Orthis disparilis. (Conrad, Proc. A. N. S. Phil. 1843.) ^ Em. A. G. I, ii, 1855, % 194, pi. 9, fig. 4 «, 5, <?, fY a small shell; hole nar- CanV row; about 28 folds, half of them beginning under the beak (umbo) crossed by many concentric lines. Black river and Trenton,—Geol. Can. 1863, p. 130, fig. 60 a^ ventral valve; &, side view. CKazy limestone^ II h^ g. lie. ^ Orthis 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
Size: 3084px × 810px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea
