. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Proto. 778 cular on the external face ; rostral plate short and broad, etc.; external surfaces marked with rounded ridges, 12 on car- ina, 8 on rostrum, 6 on each carino-lateral, 4 on each rostro- lateral, 3 on each lateral; 7 operculaplates in three pairs, etc. In the figure, part of the fringe is covered by an attached shell {Leiorhynchus limitaris). Found at Avon, N. Y. in Marcellus shale, VIII h. Protoblechnum holdeni. (Alethopteris holdeni^ Andrews
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Proto. 778 cular on the external face ; rostral plate short and broad, etc.; external surfaces marked with rounded ridges, 12 on car- ina, 8 on rostrum, 6 on each carino-lateral, 4 on each rostro- lateral, 3 on each lateral; 7 operculaplates in three pairs, etc. In the figure, part of the fringe is covered by an attached shell {Leiorhynchus limitaris). Found at Avon, N. Y. in Marcellus shale, VIII h. Protoblechnum holdeni. (Alethopteris holdeni^ Andrews). 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
