. Bulletin - New York State Museum. Science. Spirifer macropleuroides on each side of the median fold or sinus. Neither of the latter is extremely developed, being broad and regularly rounded; the lat- eral plications are strong and broad, evenly rounded and with narrow grooves. The surface is covered with very fine longitudi- nal striae. The shell is distinct from S. macropleura in its smaller size and stronger plications, in which respect it is the most progressed of all the three forms above mentioned. Lower Devonic. Edmunds Hill, Chapman Plantation, Me. iHall. Pal. N. Y. 3:302, pi. 27. fig
. Bulletin - New York State Museum. Science. Spirifer macropleuroides on each side of the median fold or sinus. Neither of the latter is extremely developed, being broad and regularly rounded; the lat- eral plications are strong and broad, evenly rounded and with narrow grooves. The surface is covered with very fine longitudi- nal striae. The shell is distinct from S. macropleura in its smaller size and stronger plications, in which respect it is the most progressed of all the three forms above mentioned. Lower Devonic. Edmunds Hill, Chapman Plantation, Me. iHall. Pal. N. Y. 3:302, pi. 27. fig. la-p; pi. 28, fig. 8a-d. Hall & Clarke, ihid. v. 8, pt 2. pi. 21, fig. 22-24, 27. ^Kayser. Aelt. Devon-Ablag. d. Harzes. pi. 21, fig. 3 and fig. i, 2, 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
