. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Wkitf*eld. Buli:AM, Orthoceras pressum, Rogers, 1858.âBigsby, Thes. Silur. Trenton. Quoted in Report T, page 55.âII c, Orthoceras primigenium, Vanuxem. Geol. 3rd. Dist N, Y. 1842, page 36, fig. 2, 4 âEmm Geol. 2d Dist. page 179, fig. 53,4. Cdlcif- erous sand- stone. II a.âHall, Pal. N. Y., Vol. 1, p. 13, plate 3, figs. 11 and 11 «.âWhit- Van. i- \. '-â â¢'i^'-«»iii»'M!Hl£ fleld, Bulletin Amer. Mu- seum Nat. Hist. N. Y. Vol. 2, No. 2, page 56, plate
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Wkitf*eld. Buli:AM, Orthoceras pressum, Rogers, 1858.âBigsby, Thes. Silur. Trenton. Quoted in Report T, page 55.âII c, Orthoceras primigenium, Vanuxem. Geol. 3rd. Dist N, Y. 1842, page 36, fig. 2, 4 âEmm Geol. 2d Dist. page 179, fig. 53,4. Cdlcif- erous sand- stone. II a.âHall, Pal. N. Y., Vol. 1, p. 13, plate 3, figs. 11 and 11 «.âWhit- Van. i- \. '-â â¢'i^'-«»iii»'M!Hl£ fleld, Bulletin Amer. Mu- seum Nat. Hist. N. Y. Vol. 2, No. 2, page 56, plate 10, fig. 1, long section showing septa in lower half; syphon apparently- very small and subcentral. Beekmantown, N. Y\Calc, IIa. Orthoceras profundum, Hall. 15th Annual Report, 1862, page 7 6, plate 7, fi 8, el mark e d engthwise by sharp ridges, one- //<^/f. js/rTiTTTFlJST'^^ tenth of an inch apart; and ringed (annulated) by sharp rather distinct stri^, giving the long ridges a wavy look; also often finer striae of growth; differs from 0. imbrieatum of the Niagara in show- ing no intermediate finer longitudinal striae; and from gatum in more regular arrangement of both long and Cross lines. In two individuals of 1^ inch diameter the preserved portion of the outer chamber is 6 inches long. Upper Helder- lerg limestone at Waterville, N. Y.â VIII a. Orthoceras punctostriatum, Hall. Dawson's Acadian Y-v\. 212 Gleology, 1868, page 605, fig. 212 ; section circu- lar, siphuncle central; surface very finely striated with unequal wavy striae, between which are oblong indentations, often running into each other. A shell remarkable for its extremely slight. 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 Sec
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