. Bulletin - New York State Museum. Science. NIAGARA FALLS AND VICINITY I93 median septum in the brachial valve, which divides posteriorly, so far as to form an elongate cavity, which does not extend to the bot- tom of the valve. No cardinal process. In the pedicle valve slen- der vertical lamellae support the teeth. Camarotoechia obtusiplicata Hall (Fig. io6). Atrypa ob- t u s 1 p 1 i c a t a Hall (1852. Pal N. Y. 21279, pi. 58, fig. 2a-h) Disfinguishiiig characters. Ciibbous, subspheroidal form; strongly convex brachial, and flatter pedicle valve; deep sinus of pedicle. Please note that thes
. Bulletin - New York State Museum. Science. NIAGARA FALLS AND VICINITY I93 median septum in the brachial valve, which divides posteriorly, so far as to form an elongate cavity, which does not extend to the bot- tom of the valve. No cardinal process. In the pedicle valve slen- der vertical lamellae support the teeth. Camarotoechia obtusiplicata Hall (Fig. io6). Atrypa ob- t u s 1 p 1 i c a t a Hall (1852. Pal N. Y. 21279, pi. 58, fig. 2a-h) Disfinguishiiig characters. Ciibbous, subspheroidal form; strongly convex brachial, and flatter pedicle valve; deep sinus of pedicle. 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; New York State Museum. Albany : New York State Education Dept
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887
