. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 561 Orthoc. son River shales ; showing remains of the low rounded ridges which traverse its surface lenhtgwise, nine or ten to one inch of circumference; chambers displaced and distorted by pressure; but surface show entirely different from other Orthooerata of this formation. Jllh. Orthoceras vindobonense, Dawson. Acadian Geology, 127 1868, page 311, fig. 127; septa distant O^ about ^diameter; resembles O. later- ale^ Phil, of England, but smaller, more cyli
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 561 Orthoc. son River shales ; showing remains of the low rounded ridges which traverse its surface lenhtgwise, nine or ten to one inch of circumference; chambers displaced and distorted by pressure; but surface show entirely different from other Orthooerata of this formation. Jllh. Orthoceras vindobonense, Dawson. Acadian Geology, 127 1868, page 311, fig. 127; septa distant O^ about ^diameter; resembles O. later- ale^ Phil, of England, but smaller, more cylindrical, and septa farther. Daw. Carb, IIme. at Windsor, N. ^,âXIII? Orthoceras ? Two fragments found in the Pots- J^ ^^ ^gSTlmn^s^' ^^^ 5anc75^c>^6 of Canada. Geol. Orthoceras Wa ~ ? Geol. Canada, 1863, page 121, fig. 36. 3 6, the cast of the in- (J-eot. Cd'i'LCLcLcL . 'â â "" â¢i ^liiKi"' t e r n a 1 cavity (siphuncle) of an Oiihoceras of Calciferous sandstone age. II a. Orthocerata figured by Em nons in his Geol. First Dist. 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
