. Bulletin of the Buffalo Society of Natural Sciences. Natural history -- New York (State); Natural history. 217 well-marked muscular area occur. The brachial valve is always convex at the beak, below which it becomes flattened or slightly concave, or else continues with more or less uni- form arcuation. Area narrow; cardinal process long and narrow, bifurcated at the tree end. Brachidium consists of loosely coiled spirals, similar to Spirifer. Amboccelia umbonata. (Conrad.) (Fig. 125.) (Pal. N. Y., Vol. IV., p. 259, PI. XLIV.) Distinguishing Characters.— Plano-convex, almost hemi- spherical c
. Bulletin of the Buffalo Society of Natural Sciences. Natural history -- New York (State); Natural history. 217 well-marked muscular area occur. The brachial valve is always convex at the beak, below which it becomes flattened or slightly concave, or else continues with more or less uni- form arcuation. Area narrow; cardinal process long and narrow, bifurcated at the tree end. Brachidium consists of loosely coiled spirals, similar to Spirifer. Amboccelia umbonata. (Conrad.) (Fig. 125.) (Pal. N. Y., Vol. IV., p. 259, PI. XLIV.) Distinguishing Characters.— Plano-convex, almost hemi- spherical contour; strong, distinct and continuous mesial r^v. 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 Buffalo Society of Natural Sciences. Buffalo, N. Y. : The Society
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectnaturalhistory, booky
