. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Kio. ;«(7.—Plalycrlnus scobina. Diagram. striobrachiatus, Hall, 1861, Desc. New Crinoidea, p. 4, and Bost. Jour. Nat. Hist., vol. 7, p. 287, Burlington Gr. Bubspinosiis, Hall, 1858, Geo. Sur. Iowa, p. 53b, Burlington Gr. subspiuulosus. Hall, 1860, Supp. to Geo. Sur. Iowa, p. 81, Burlington Gr. Bymmetricua, Wachsmuth & Springer, (in press,) Geo. Sur. 111., vol. 8, p. 186, Waverly or Kinderhook Gr. tennesaeenm,
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Kio. ;«(7.—Plalycrlnus scobina. Diagram. striobrachiatus, Hall, 1861, Desc. New Crinoidea, p. 4, and Bost. Jour. Nat. Hist., vol. 7, p. 287, Burlington Gr. Bubspinosiis, Hall, 1858, Geo. Sur. Iowa, p. 53b, Burlington Gr. subspiuulosus. Hall, 1860, Supp. to Geo. Sur. Iowa, p. 81, Burlington Gr. Bymmetricua, Wachsmuth & Springer, (in press,) Geo. Sur. 111., vol. 8, p. 186, Waverly or Kinderhook Gr. tennesaeenm, see Marsupiocrinus tennes- seensis. tentaculatus, see Marsupiocrinus tentacu- latus. tenuibrachiatus, Meek & Worthen, 1869, Prou. Acad. Nat. Sci. Phi!., p. 16, and Geo. Sur. 111., vol. 5, p. 450, Burling- ton Gr. truncatulus, Hall, 1858, Geo. Sur. Iowa, p, 538, Burlington Gr. truncatus, Hall, 1858, Geo. Sur. Iowa, p. 537, Burlington Gr. tuberosus. Hall, 1858, Geo. Sur. Iowa, p. 534, Burlington Gr. verrucosus. White, 1863, Jour. Bost. Soe. Nat. Hist., vol. 7, p. 502, Burlington Gr. vexabilis. White, 1875, U. S. Sur. W. 100th Meridian, vol. 4, p. 81, Sub. Carb. wortheni. Hall, 1858, Geo. Sur. Iowa, p. 530, Burlington Gr. yandelii, Owen & Shumard, 1850, Jour. Acad. Nat. Sci., 2d ser., vol. 2, p. 58, Burlington Gr. Platycystites, n. gen. [Ety. platya, flat; kuntit, bladder.] General form com- pressed elliptical, or like the kernel of a peach-seed, with a narrow rim on the border; axial canal passes down into the column; three plates in the ^rst ran«;e, one of them bending around the rim and the other two having the di- viding suture in the rim itself; there are five large plates in the second range, and above these there are three large plates, on the azygous side, with six or more smaller ones on the border; the whole surface is granular and every plate full of minute pores. Type P. faberi, n. sp. Basal plates hexngoii;!, longer than wid^, one of them bendi
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Keywords: ., boo, bookcentury1800, booksubjectgeology, booksubjectpaleontology
