. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 489 OGYa. Ogygia serrata^ Rominger. Proc. Acad. N. S. 1887, pi. 1, figs. 2, 2 a. See Olenoides nevadensis, Meek. Walcott, in Amer. Jour. Sc. Sep. 1888, p. 165.âMiddle Cambrian^ M, C. Olenellus. Genus discussed by Walcott. U. S. Geol. Sur. Bull. 30, p. 162. Lower Cambrian, L. C, Olenellus asaphoides. Ford, (1871, Am. Journ. Sc. ^ 2, p. 33 ; 1877, Vol 13, p. 267 ; 1878, Vol. 15, â â¢^ p. 129 ; 1881, Vol. 22, p. 250; Elliptocephala asaphoides^ Emmon
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 489 OGYa. Ogygia serrata^ Rominger. Proc. Acad. N. S. 1887, pi. 1, figs. 2, 2 a. See Olenoides nevadensis, Meek. Walcott, in Amer. Jour. Sc. Sep. 1888, p. 165.âMiddle Cambrian^ M, C. Olenellus. Genus discussed by Walcott. U. S. Geol. Sur. Bull. 30, p. 162. Lower Cambrian, L. C, Olenellus asaphoides. Ford, (1871, Am. Journ. Sc. ^ 2, p. 33 ; 1877, Vol 13, p. 267 ; 1878, Vol. 15, â â¢^ p. 129 ; 1881, Vol. 22, p. 250; Elliptocephala asaphoides^ Emmons, 1844, Taconic System, p. 21, figs. 1, 2,3 ; Agriculture of N. Y., 1846, Vol. 1, p. 65, figs. 1, 2, 3. Olenus asaphoides^ Hall, 1847, Pal. N. Y., I, pi. 67, fig. ^ ato e ; Elhptocephalus asaphoides^ Em- mons, 1849, Proc. A. A. A. S., I, p. 18; Amer. Geol. Vol. 1, part 2, p. 114, figs. 1, 2, 3; pi. 1, fig. 18. Paradoxides asa- phoides^ Emmons, 1860, Manual of Geol. p. 8, fig. 70, etc.) Walcott, Bull. 30, U. S. G. S. p. 168, pi. 17, fig. 4, tail-spine (telson) found with fragments of the animal at Troy; fig. 5. youngest stage of development yet found by W. only | mm long; fig. 6, a slighly larger specimen, mm.; fig. 7, adult form (Ford); fig. 8, young form (Ford); fig. 10, chin piece (hypostoma) supposed to belong to this species; pi. 30, fig. 3, embryo, circular, etc., enlarged three and a half (Ford) ; fig. 3 a^ another phase, enlarged Ave times (Ford); fig. 3 5, normal adult head piece, enlarged twice (Ford) ; pi. 25, fig. 8, enlarged drawing of a piece of a free cheek.âZ. C Lower Cambrian. 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 Geologica
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