. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 442 CEPHALOPODA. [ vaprans, Bil1in(;B, , Kep. of Progr. Can. Geo. Snr., p. ms, Black Riv. Gr. validum, Hall. M76, Illust. Devonian Fops., pi. 51. t. I Tiil. N. Y., vol. 5, pt. 2, p. US"), Scholiiuie K'Q. 7-13.—Gyrocerns unduhitum. Horlhnh's americanus, see Liiuites ameri- oaiius. HuRoxiA, Stokes, 1823, Geo. 'Iran,?., n. s., vol. 1, p. 203. When this genus was proposed, the author thou was
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 442 CEPHALOPODA. [ vaprans, Bil1in(;B, , Kep. of Progr. Can. Geo. Snr., p. ms, Black Riv. Gr. validum, Hall. M76, Illust. Devonian Fops., pi. 51. t. I Tiil. N. Y., vol. 5, pt. 2, p. US"), Scholiiuie K'Q. 7-13.—Gyrocerns unduhitum. Horlhnh's americanus, see Liiuites ameri- oaiius. HuRoxiA, Stokes, 1823, Geo. 'Iran,?., n. s., vol. 1, p. 203. When this genus was proposed, the author thou was propose<l for the siphun- cle of an Ortliocerss, and is, therefore, merely a synonym. This seems to be the correct opinion, though the shells to the peculiar siphuncles he- long are unknown. Type H. bigsbyi. annulata, Hall, 1851, Lake Superior Land Dist. by Fester & Whitney, p. 221, Ni- agara Gr. bigsbyi, Stokes. 1S23, Trans. Geo. Soc. vol. 1, p. 195, Clinton Gr. rainuens, Barrande, 1800, Syst. Sii. de Boh., 2d series, vol. 4, pi. ix, p. 435, Clinton Gr, obliqua, Stokes, 1823, Trans. Geo. Soc, 2d series, vol. 1, p. 203, Clinton 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 Miller, S. A. (Samuel Almond), 1836-1897. Cincinnati : [s. n. ]
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