. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Bs. li ^^^ Hudson river formatiovff.—Geol- m\ Jtf^ ^^ ^^^ ^^ Canada, 1863, pa^e 165, fi^s. Wf^S w ^ly W ^^^ ^1 ^/ ^^ 5^ different views two specimens from the Trenton limestone of Canada. Lie —Pal. Ohio, Vol. 1, 1873, page 108. plate 9, fig. 7 a. 5, ventral, dorsal valves; 7 c. inside dorsal; 7 d. e, /, profile, front, back (hinge) views; 7 .^, enlarged surface to show cross striae between the ribs, and minute traces of longi- tudinal striae on and b
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Bs. li ^^^ Hudson river formatiovff.—Geol- m\ Jtf^ ^^ ^^^ ^^ Canada, 1863, pa^e 165, fi^s. Wf^S w ^ly W ^^^ ^1 ^/ ^^ 5^ different views two specimens from the Trenton limestone of Canada. Lie —Pal. Ohio, Vol. 1, 1873, page 108. plate 9, fig. 7 a. 5, ventral, dorsal valves; 7 c. inside dorsal; 7 d. e, /, profile, front, back (hinge) views; 7 .^, enlarged surface to show cross striae between the ribs, and minute traces of longi- tudinal striae on and between the ribs : 7 h. i, ventral and dor- sal valves, intermediate between this species and its variety (below); 7j?, inside of dorsal valve.— Cincinnati group, III^. 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
