. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fig. 801.—Conocardium subtrigonale. a, Shows part of tbe alatlon; A, points to the posterior iilutus. teprulum, Hall, 1883, Pal. N. Y., vol. 5, pi. 68, figs. 30-31, Niagara Gr. trigonale, Phillips, 1836, (Pleororhynchus trigonale,) Geol. Yorkshire, p. 211, Devonian. trigonale, Hall, see C. subtrigonale. ventricosum. Hall, 1860, 13th Rep. N. Y. Mus, Nat. Hist,, p. 91, Ham. Gr. vomer, Conrad, 1842, (Pleurorhynchus v
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fig. 801.—Conocardium subtrigonale. a, Shows part of tbe alatlon; A, points to the posterior iilutus. teprulum, Hall, 1883, Pal. N. Y., vol. 5, pi. 68, figs. 30-31, Niagara Gr. trigonale, Phillips, 1836, (Pleororhynchus trigonale,) Geol. Yorkshire, p. 211, Devonian. trigonale, Hall, see C. subtrigonale. ventricosum. Hall, 1860, 13th Rep. N. Y. Mus, Nat. Hist,, p. 91, Ham. Gr. vomer, Conrad, 1842, (Pleurorhynchus vomer,) Jour. Acad. Nat. Sci., vol. 8. p. 253, Devonian. Ckenipkctkn, Hall, 1883, Pal. N. Y., vol. 5, p. 3. (Plates and Explanations.) [Ety. crena, notch ; Pecten, a genus.] In lorm iikoAviculopecten, but the h nge is fur- nisold with a series of small cartilage pits throughout its entire length. Type C. crenulatus. amplus. Hall, 1883, Pal. N. Y., vol. 5, pt. 1, p. 81, Chemung Gr. crenulatus. Hall, 1843, (Pecten crenula- tus,) Geo, Sur. 4th Diat. N. Y., p. 265, and , vol. 5, pt. 1, p. 82, Chemung Gr. glaber, Hall, 1843, (Lima glabra,) Geo. , Vv '<S p. 255, and Pal. ''' ^ N. Y., vol. 5, pt. 1, p. 85, Chemung Gr. *^ ,l*o^"»V W«'{''*"' t'i«- 1885, Monogr. U. 8. crenulatus. Geo. Sur., vol. 8. p. 231, Subcarboniferous. impolitus. Hall, 1883, Pal. N. Y., vol. 6 pt. 1, p. 83, Chemung 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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