. Elements of geology : a text-book for colleges and for the general reader. Geology. Fig. 560.—o, Palaeoniscus aculeatus (after Nieskowski) : a Enrypterid from Upper Silurian, b, Ne- oliinulus falcatus (after Woodward): a Limuloid from Upper 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 LeConte, Joseph, 1823-1901. New York : D. Appleton and Co.

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1892