. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 1873, page 109, plate 8, figs, S a i dorsal ventral, 8 o, hinge view, to show thevery low area, as compared with the species figs. 7 f and 6c; 8 6?, profile 8 6, magnified surface of shell.— Cincinnati group^ III, Orthis porcata, McCoy. Silurian Fossils ot Ireland, 1846. Trenton^ Hudson river and Mid- dle Silurian, Geology of Canada, 1863, page 312, figs. 319 a, 5, dor- sal and side views of a specimen from the Medina- Clinton series of j^w;/ West Canada. IV-


. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 1873, page 109, plate 8, figs, S a i dorsal ventral, 8 o, hinge view, to show thevery low area, as compared with the species figs. 7 f and 6c; 8 6?, profile 8 6, magnified surface of shell.— Cincinnati group^ III, Orthis porcata, McCoy. Silurian Fossils ot Ireland, 1846. Trenton^ Hudson river and Mid- dle Silurian, Geology of Canada, 1863, page 312, figs. 319 a, 5, dor- sal and side views of a specimen from the Medina- Clinton series of j^w;/ West Canada. IV-V, Orthis porcia, Billings. Canad. Nat. & Geol. Vol. 4,1859 II7 ^ Geology of Canada, 1863, page 130, figs 58 «, ventral valve; 5, side view; c, magnified portion of surface of shell. Chazy formation^ II h, Orthis punetostriata. Hall, Pal. N. Y. Vol. 2, 1852, Nia- gara,^ F5.—Specimen 604-6 (00, p. 234) in collections of Fel- lows & Genth, 1875, at Mansing's quarry, near Hazardville Carbon Co., Pa., from what we Q2i\\Lovjer Helderherg leds^ F/.' Orthis quadricostata. See Rhynchonella quadricostata, Vllle, Orthis resupinata. (Anomites resupinatus; Spirifera CeoL. Can . yui d. 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