. Annual report of the regents of the university of the state of New York on the condition of the State Cabinet of Natural History and the historical and antiquarian collection annexed thereto. GONIATITES EXPANSES. Fia. 1. Lateral view of a young, or fpecimen of medium size. The surface marking ia shownupon a part of the figure, while the outer cham*)er is left plain : s, the septa; o,line parallel to the aperture. This is of the type of G. expansus (VANtrxEii). Fio. 2. Dorsal riew of fig. 1, showing the grooves and carina on the dorso-lateral angles. Geological formation and locality. In the


. Annual report of the regents of the university of the state of New York on the condition of the State Cabinet of Natural History and the historical and antiquarian collection annexed thereto. GONIATITES EXPANSES. Fia. 1. Lateral view of a young, or fpecimen of medium size. The surface marking ia shownupon a part of the figure, while the outer cham*)er is left plain : s, the septa; o,line parallel to the aperture. This is of the type of G. expansus (VANtrxEii). Fio. 2. Dorsal riew of fig. 1, showing the grooves and carina on the dorso-lateral angles. Geological formation and locality. In the Goniatite limestone of Marcellus,Manlius, and near Schoharie, New-York. There is a fine collection of specimens of this species in the State Cabinet, in partpurchased of Mr. Gebhard; and a greater number, particularly of large indivi-duals, presented by Ledyard Lixcklaex, esq., of Cazenovia. GONIATITES DISCOIDEUS ( n. s.).Shell orbicular : volutions all embraced within the outer one; aperture subellip- tical, narrower anteriorly, widening towards the base, and slightly auriculate at its junction with the axis; sides convex, gently curving towards the back, and rounded upon the periphery


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Keywords: ., bookcentury1800, bookdecade1850, booksubjectscience, bookyear1853