. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Ptychoparia {Crephicephalus) iowensis. Walcott, Bui- C. ^ 6* ^^^^^ ^^' â ^^' ^- ^- P^S® ^^' P^^^^ ^' ^^- ^' head, without the loose cheeks; fig. 2 a, tail (pygi- dium). Middle Cambrian, Jf. C. Ptychoparia kingi. (Meek, sp.) Walcott says (Dec. 1888) Lower Cambrian. L. C Ptychoparia miser. (Conocephalites miser, Billings, 1861, Geol. Vt. fig. 354; Geol. Oan. 1863, fig. 293; Pal. Foss. I, plate 12, fig. 14.) Walcott, Bull. No. 30, U. S. G. S. page 199, plate 27
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Ptychoparia {Crephicephalus) iowensis. Walcott, Bui- C. ^ 6* ^^^^^ ^^' â ^^' ^- ^- P^S® ^^' P^^^^ ^' ^^- ^' head, without the loose cheeks; fig. 2 a, tail (pygi- dium). Middle Cambrian, Jf. C. Ptychoparia kingi. (Meek, sp.) Walcott says (Dec. 1888) Lower Cambrian. L. C Ptychoparia miser. (Conocephalites miser, Billings, 1861, Geol. Vt. fig. 354; Geol. Oan. 1863, fig. 293; Pal. Foss. I, plate 12, fig. 14.) Walcott, Bull. No. 30, U. S. G. S. page 199, plate 27, fig. 2, drawn from type specimen in collection of Geol. Sur. Canada. Lower Cambrian on the Straits of Belle Isle, similar to Georgian rocks of Vermont. L. C Ptychoparia orestes, Hartt. (Conocephalites halli, Hartt. ^^ ^ Acad. Geol. Dawson, 3d ed. pp. 649, 654.) * Walcott, Bulletin ,U. S. , plate 5, fig. 3, type specimen of Conoceph- alites halli; fig. 3^, type of Conocephalites oretes> Lower Cambrian (St. John) formation. L. 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
