. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Orthis. 540 10, fig. ll,Pots dam.—Geoh Vermont, Vol. 2, p. 949, f. 350,351, 352.—Geol. of Canada, 1863, page 284, figs. 289a, side view; J, ventral value ; ^, enlarged area of the same valve of. a speci- men from the " Pots dam sandstone " of the Quebec groiip (Logan.)—Walcott, Bull. No. 30, U. S. G. S. page 120, plate 7, fig. 7, Ventral ('0 valve and section, naU size ; 7 a, dorsal (?) valve, enlarged; 7 5, view of its area.—Lower Cambrian (Geor- g
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Orthis. 540 10, fig. ll,Pots dam.—Geoh Vermont, Vol. 2, p. 949, f. 350,351, 352.—Geol. of Canada, 1863, page 284, figs. 289a, side view; J, ventral value ; ^, enlarged area of the same valve of. a speci- men from the " Pots dam sandstone " of the Quebec groiip (Logan.)—Walcott, Bull. No. 30, U. S. G. S. page 120, plate 7, fig. 7, Ventral ('0 valve and section, naU size ; 7 a, dorsal (?) valve, enlarged; 7 5, view of its area.—Lower Cambrian (Geor- gian) formation; three localities in Vermont.—Z. 67. Orthisina grandseva, Billings. Can. Nat. & Geol. Vol. 4, 21 1859. Geology of Canada, 1863, page 113, figs. 21 a, ventral valve; 5, another ventral valve showing the area and fora- 'Q^^m^ .CcL^SS^ men, Calciferous sandstone, II a, Orthisina orientalis. Whitfield, 1884, Bull. A. M. N. H. .C. 6 plj' I- P- 144, pi. 14, f. 6. Walcott, Bull. 30, U. S. G. - ^ S. page 120, plate 7, fig. 6, ventral valve, natural size, (Whitfield.)—Lower Cambrian formation, two localities, Vermont. Z. ( 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
