. The Eurypterida of New York. Eurypterida; Paleontology. Figure 74 Original figure of Pterygotus quadrati- caudatus Pohlman. Figure 76 Type of Pterygotus bile- bus Pohlman redrawn. Natural size. 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 Clarke, John Mason, 1857-1925; Ruedemann, Rudolf, 1864-1956. Albany, New York State Education Department

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Keywords: ., bookcentury1900, bookdecad, booksubjectpaleontology, bookyear1912