. Annual report of the Regents. New York State Museum; Science. 226 NEW YORK STATE MUSEUM Genus bronteus Goldfuss [Ety.: mythologic name] (1839. Nova act. phys. med. caes. Leop. Carol. Nat. curios. 19 :^6o) Dorsal shield broadly elliptic, with the cephalon less than one third the entire length; glabella rapidly expanding in front, with faint lobations. Thorax of 10 segments, Pygidium longer than cephalon or thorax, with a short axis and radiating furrows extend- ing from it across the broad limb. Margin generally Fig. 153 Bronteus niagarensis; pygidium Bronteus niagarensis Hall (Fig.
. Annual report of the Regents. New York State Museum; Science. 226 NEW YORK STATE MUSEUM Genus bronteus Goldfuss [Ety.: mythologic name] (1839. Nova act. phys. med. caes. Leop. Carol. Nat. curios. 19 :^6o) Dorsal shield broadly elliptic, with the cephalon less than one third the entire length; glabella rapidly expanding in front, with faint lobations. Thorax of 10 segments, Pygidium longer than cephalon or thorax, with a short axis and radiating furrows extend- ing from it across the broad limb. Margin generally Fig. 153 Bronteus niagarensis; pygidium Bronteus niagarensis Hall (Fig. 158) (1852. Pal. N. Y. 2:314, pi. 70) Distinguishing characters. Pygidium only known; broad and somewhat semicircular; short axis and from six to nine long curv- ing furrows or sulcations on either side of the center. Found in " a large fragment of limestone in che Niagara river below the Canada fall " (Hall). Order phyllocarida Packard^ Crustacea with the body composed of five cephalic, eight thoracic, and two to eight abdominal segments. Heajd and thorax covered by a thin chitinous or semicalcareous single or bivalved shell or carapace. A narrow movable plate or rostrum lies in front of the caparace. Two pairs of antennae and stalked compound eyes present. Thoracic segments with soft leaf-like legs. Abdomen often ending in spiniform telson, provided with lateral spines. ^This section was revised by Prof. John M. Clarke, who also prepared the synopsis of species and 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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