. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 'W. P. giflfordi, Worthen; P. glandula, Shumard; P. gono- pleura, Winch. & Marcy; P. granulostriata. (S. A. M.) Pleurotomaria gracilis is reported by C. E. Hall (T3 p. 367) to be found by him occasionally in some of the beds at the top of the Trenton formation, on the Little Juniata, river in Huntingdon Co. He probably meant Murchisonia gracilis, which see. II c, grayvillensis, Norwood & Pratten, Jour. Acad. Nat. Sci. |2] Vol. 3,1855. C
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. 'W. P. giflfordi, Worthen; P. glandula, Shumard; P. gono- pleura, Winch. & Marcy; P. granulostriata. (S. A. M.) Pleurotomaria gracilis is reported by C. E. Hall (T3 p. 367) to be found by him occasionally in some of the beds at the top of the Trenton formation, on the Little Juniata, river in Huntingdon Co. He probably meant Murchisonia gracilis, which see. II c, grayvillensis, Norwood & Pratten, Jour. Acad. Nat. Sci. |2] Vol. 3,1855. Coal measures.—See above grayvillense. — In Pennsylvania recognized by Stevenson and White in the Ferriferous limestone quarries of Beaver Co., south ban^ of Ohio river, below Raccoon Creek (K, 346; Q, 62); in Lawrence Co. (Q2, 47, 106) ; in Mercer Co. (Q3, 25) ; in Butler Co. (V, 147.)—Also by White in the un- derlying shales, over the Scrubgrass coal, (Q3, 78.)—Also by Stevenson in the Decker'^s creek shale under the Mahoning sandstone at Morgantown, W. Va. (L, 37.)—Also in the Grin- oidal limestone of the Barren measures (Q, 30; L, 36, H45 78; K3, 310.)—X///, XIV. Pleurotomaria gregaria, Billings. Geology of Canada, 29.^ 1863, page 119, fig. 29 ^, J, c. From the Calciferous sandstone^ II 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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