. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. \y Pia. 27.—OordalteA costatus. coin I Phil. Woe, p. p. 534, Coal Mean. coBtatiis, Leaquereux, 1H7H, Proc Am. Phil. Soc, p. 323, and Coal Flora of Pa., p. 640, Coal Meas. crasHinerviB, Fontaine & White, 1880, Perm, or Up. Carb. Flora, 07, Coal leas. or Perm, craasuf), lieaque- reux, 1880, Coal Flora of Pa., p. 530, Coal Meas. diversifolius, Lesquereux, 1880, Coal riora of Pa., p. 535, Coal Meas. Proposed inste
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. \y Pia. 27.—OordalteA costatus. coin I Phil. Woe, p. p. 534, Coal Mean. coBtatiis, Leaquereux, 1H7H, Proc Am. Phil. Soc, p. 323, and Coal Flora of Pa., p. 640, Coal Meas. crasHinerviB, Fontaine & White, 1880, Perm, or Up. Carb. Flora, 07, Coal leas. or Perm, craasuf), lieaque- reux, 1880, Coal Flora of Pa., p. 530, Coal Meas. diversifolius, Lesquereux, 1880, Coal riora of Pa., p. 535, Coal Meas. Proposed instead of C. auKUstifolius Lesquereux, which was preoccupied, flexuosus, Dawson, 1K63, Quar Jour. Geo. Soc, vol. 19, p. 462, Catskill Ur. gracilis, Lesquereux, 1878, Proc. Am. Phil. Soc, p. 322, and Coal Flora of Pa., p. 539, Coal Meas. grandifoilus, liesquereux, 1878, Proc. Am. Phil. Soc, p. 318. and Coal Flora of Pa., p. 530, Coal Meas. lacoei, Lesquereux, 1880, Coal Flora of Pa., p. 535, Coal Meas. lingulatus, Grand 'Eury., 1877, Flore Car- bonifere, p. 218, and Coal Flora of Pa., p. 533, Coal Meas. mansfieldi, Lepquereux, 1878, Proc Am. Phil. Soc, p. 321, and Coal Flora of Pa., p. 537, Coal Meas. radiatus, Lesquereux, 1880, Coal Flora of Pa., p. 540, Coal Meas. robbi, Dawson, 1861, Can. Nat, vol. 6, p. 8, Ham. Gr. serpens, Lesquereux, 1880, Coal Flora of Pa., p. 324, Coal Meas. simplex, Dawson, 1863, Can. Nat., vol. 8, and Acad. Geol., p. 490, Coal Meas. validus, Lesquereux, 1878, Proc Am. Phil. Soc, p. 317, and Coal Flora of Pa., p. 523, Coal Meas. Crematopteris, Schimper, 1869, Trait6 de Paleontologie Vegetale, vol. 1, p. 596. [Ety. \rematoi, hanging; ptem, fern.] Rachis thick; pinnules sessile, ovate- oblong, contracted at the base, and sub- auriculate. Type C. typica. pennsylvanica, Lesquereux, 1880, Coal Flora of Pa., p. 307, Coal Meas. Crcziana, D'Orbigny, 1842, Voy. dans I'Amer. Merid. t. 3, pt. 2, p. 30. [Ety. Eroper name.] A transversely wrin- led fucoid, much lik
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