. Bulletin - New York State Museum. Science. 474 NEW YORK STATE MUSEUM neanic stage, but apparently the whorls are not in very close con- tact. . The type is that figured by Billings, and this had the living chamber free and deviating strongly from the spiral. It was 91 mm long on the dorsal surface and more than one half of a volution in length when this measurement was applied to the coil. Fig. :^4 Aphetoceras farnsworthi Bill, (sp.) Copy of original drawing, xfa of the preceding whorls. The siphuncle in the ephebic stage was propioventran and the septa much closer together than is usual in


. Bulletin - New York State Museum. Science. 474 NEW YORK STATE MUSEUM neanic stage, but apparently the whorls are not in very close con- tact. . The type is that figured by Billings, and this had the living chamber free and deviating strongly from the spiral. It was 91 mm long on the dorsal surface and more than one half of a volution in length when this measurement was applied to the coil. Fig. :^4 Aphetoceras farnsworthi Bill, (sp.) Copy of original drawing, xfa of the preceding whorls. The siphuncle in the ephebic stage was propioventran and the septa much closer together than is usual in 1 this genus. | Position and locality. Beekmantown beds at Philipsburg, Missisquoi co. 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