. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Hall 3i Handl. 1827; see Sil. Res. 630, 13, f. 12 a,) Figures from CoUett'S In- diana Rt. 1881, p. 285, p]. 21, figs. 11, 12, ventral and dorsal valves of a small specimen; 13, ven- tral ; 14, lateral; 15, interior of a large specimen, showing the hinge area, teeth and wide hole (for- amen) ; 16, enlarged twice^ dorsal interior, showing muscular scars, cardinal and crural scars, cardinal and crural processes, and external cardinal (hinge) area; 17, hinge view
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Hall 3i Handl. 1827; see Sil. Res. 630, 13, f. 12 a,) Figures from CoUett'S In- diana Rt. 1881, p. 285, p]. 21, figs. 11, 12, ventral and dorsal valves of a small specimen; 13, ven- tral ; 14, lateral; 15, interior of a large specimen, showing the hinge area, teeth and wide hole (for- amen) ; 16, enlarged twice^ dorsal interior, showing muscular scars, cardinal and crural scars, cardinal and crural processes, and external cardinal (hinge) area; 17, hinge view of 14.— Orthis canalis, Hall, Geol. 4th Dist. N. Y., 1843, p. 105, fig. 36, 6.—Rogers, Geol. Pa. 1858, p. 823, fig. 635.—iVm^c^m Zme^T^^ne, Vh; but in Pennsylvania Clinton shale^ Va.—Cat. 00, p. 233, spec. 501-12 (dorsal cast), 501-30 (two); 501-41, 47; 502-1, 502-2 (with Homalonotus delph.)\ 502-12, 23; 502-29 a (impressions); 502-42; 505-37 (four) all from Mifflin Co. Clinton ore led roof shales,—In Huntingdon Co. in the 133' shales (in the limestone layers) over Orbisonia ore bed. T3, p. 141.—In Bedford Co. in the shales parting the ore bed at V(X? ..^;320^- Wolfsburg. T2, p. 144.—00, Hall & Hale's spec. 502-23, from the shales over the ore,— Geology of Canada, 1863, p. 312, fig. 320. In Logan's chapter on the West Canadian Medina >a7 and Clinton formations, Vaf Orthis (?) ella, Hall, 13th Annual Report, 1860, p. 121; /// i. 6^ 7 ^ 15th An. Rt. 1862, pi. 2, fig. 6, 7, 8, showing the extremes of variation in number of plica- ^ tions, etc. ''The species is '/if^z ;p7;i not an Orthis^ but possesses. (yeo. 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 Commi
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea
