. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Pteronites spergenensis. Whitfield, Bulletin No. 3, of ^^ 1. the American Museum of Natural History, N. Y.^ ^^-^^ 3 882. Collett's Indiana Report of 1882, plate 30, ^^^^m fig- 1> view of a left valve, maqniified twiGe, from f!Y::^~^^ Spergen hill. Indiana. Sulcarhoniferous. 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 no
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Pteronites spergenensis. Whitfield, Bulletin No. 3, of ^^ 1. the American Museum of Natural History, N. Y.^ ^^-^^ 3 882. Collett's Indiana Report of 1882, plate 30, ^^^^m fig- 1> view of a left valve, maqniified twiGe, from f!Y::^~^^ Spergen hill. Indiana. Sulcarhoniferous. 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
