. Annual report of the Regents. New York State Museum; Science. Fig. 56. A transverse section of a portion of the frond, xl8. Fig. 57. An impression in the rock made by the summits of the carinae and scales. Skmioobcinium, Prout. (Trans. Acad. Sci. St. Louis. 1858.) Type, Semicoscinium rhomboideum^ Prout. This genus is probably a synonym for Unitrypa, but as the original specimens can not be referred to and different opinions are entertained of it by authors the name Unitktpa must stand. 58 I. /i«1i*,'«r' \li' '^'- \ ]•:. Please note that these images are extracted from scanned page image

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. Annual report of the Regents. New York State Museum; Science. Fig. 56. A transverse section of a portion of the frond, xl8. Fig. 57. An impression in the rock made by the summits of the carinae and scales. Skmioobcinium, Prout. (Trans. Acad. Sci. St. Louis. 1858.) Type, Semicoscinium rhomboideum^ Prout. This genus is probably a synonym for Unitrypa, but as the original specimens can not be referred to and different opinions are entertained of it by authors the name Unitktpa must stand. 58 I. /i«1i*,'«r' \li' '^'- \ ]•:. 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