. Annual report of the Regents. New York State Museum; Science. 322 NEW YORK STATE MUSEUM conical, acute, and simply curved. Occasionally, however, the point is slightly curved forward, giving a hint of the sigmoidal curve which is so conspicuous a feature in the great species of the Corniferous limestone (0. sigmoides)."a Experience shows that the curvature is a variable quantity, and that the sigmoidal outline occurs among the Chemung as well as among the Cor- niferous specimens; hence the necessity for maintaining 0. hop- hinsi as a separate species disappears. ... - ^. Please note tha
. Annual report of the Regents. New York State Museum; Science. 322 NEW YORK STATE MUSEUM conical, acute, and simply curved. Occasionally, however, the point is slightly curved forward, giving a hint of the sigmoidal curve which is so conspicuous a feature in the great species of the Corniferous limestone (0. sigmoides)."a Experience shows that the curvature is a variable quantity, and that the sigmoidal outline occurs among the Chemung as well as among the Cor- niferous specimens; hence the necessity for maintaining 0. hop- hinsi as a separate species disappears. ... - ^. 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 New York State Museum; University of the State of New York. Board of Regents. Albany : J. B. Lyon, State Printer
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Keywords: ., bookauthorne, bookcentury1800, bookdecade1880, booksubjectscience
