. Annual report of the Regents. New York State Museum; Science. 252 NEW YORK ST'ATE MUSEUM margin oval; ventral margin sloping inward toward the posterior end; muscle impressions deep, anterior adductor muscle scar-pitted; cardinal teeth large and heavy; laterals strong and straight or nearly so, with deep, wide impressions; beaks large and prominent, showing no sculpture. Locality. From excavations in Pros- pect park. Quadrula coccinea (Conrad) Simpson 1900 (Fig. 190). Unio coccineus Conrad (1836. Monograph, 3:29) Quadrula coccinea Simpson (1900. U. S. nat. mus. Proc. 22:788) Shell quadrate,
. Annual report of the Regents. New York State Museum; Science. 252 NEW YORK ST'ATE MUSEUM margin oval; ventral margin sloping inward toward the posterior end; muscle impressions deep, anterior adductor muscle scar-pitted; cardinal teeth large and heavy; laterals strong and straight or nearly so, with deep, wide impressions; beaks large and prominent, showing no sculpture. Locality. From excavations in Pros- pect park. Quadrula coccinea (Conrad) Simpson 1900 (Fig. 190). Unio coccineus Conrad (1836. Monograph, 3:29) Quadrula coccinea Simpson (1900. U. S. nat. mus. Proc. 22:788) Shell quadrate, oval, thick and heavy, somewhat compressed pos- teriorly; anterior end oval; posterior end produced, angulated; dor- sal margin oval; ventral margin rounded anteriorly, produced and pointed at the posterior end; the anterior adductor muscle impres- sion deep, pitted above, triangular, showing radiating lines; pos-. Fig. 189 Quadrula solida. 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
