. The Crinoidea flexibilia (with an atlas of and 76 plates). Crinoidea, Fossil. SAGENOCRINIDAE 225 FORBESIOCRINUS De Koninck and Le Hon Plates XX, figs. 4-8; XXI-XXXI; text-figs. 2a, b; 27; 29-31 Forbesiocrinus De Koninck and Le Hon, Recherch. Crin. Carb. Belgique, 1854, p. 118.—Roemer in Bronn, Lethaea Geognostica, I, pt. 2, 1852-54, p. 235.—Pictet, Traite Paleontologie, 1857, p. 326.—Hall, Geol. Iowa, I, pt. 2, 1858, p. 628.—Bronn, Klassen u. Ord. Thier-Reichs, II, i860, p. 231.—White, Boston Jour. Nat. Hist., VII, 1863, p. 497—footnote.—Meek and Worthen, Proc. Acad. Nat. Sci. Philade


. The Crinoidea flexibilia (with an atlas of and 76 plates). Crinoidea, Fossil. SAGENOCRINIDAE 225 FORBESIOCRINUS De Koninck and Le Hon Plates XX, figs. 4-8; XXI-XXXI; text-figs. 2a, b; 27; 29-31 Forbesiocrinus De Koninck and Le Hon, Recherch. Crin. Carb. Belgique, 1854, p. 118.—Roemer in Bronn, Lethaea Geognostica, I, pt. 2, 1852-54, p. 235.—Pictet, Traite Paleontologie, 1857, p. 326.—Hall, Geol. Iowa, I, pt. 2, 1858, p. 628.—Bronn, Klassen u. Ord. Thier-Reichs, II, i860, p. 231.—White, Boston Jour. Nat. Hist., VII, 1863, p. 497—footnote.—Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 1865, p. 139; Geol. Surv. Illinois, II, 1866, p. 270.—Shumard, Trans. Acad. Sci. St. Louis, II, 1866, p. 371.—Beyrich, Monatsber. Akad. Wiss. Berlin, Feb., 1871, p. 43 (Transl. in Ann. and Mag. Nat. Hist. (4) VII, 404.—Quenstedt, Petref. Deutschlands, IV, 1876, p. 503; Handb. Petrefaktenkunde, 1885, p. 946.—Wachsmuth, Amer. Jour. Sci., XIV, 1877, p. 184.—Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1878, p. 252; ibid., 1888, p. 353; 1890, p. 388; Revision Palaeocrinoidea, pt. I, 1879, p. 51; ibid., pt. 3, 1886, p. 145; N. A. Crinoidea Camerata, 1897, p. 77-—Von Zittel, Handbuch Palaeontologie, 1879, p. 353; Grundziige Palaeontologie, 1895, p. 138.—Miller, N. A. Geology and Palaeontology, 1889, p. 246.—Jaekel, Zeitschr. deutsch. geol. Gesell, XLIII, 1891, p. 582.—Zittel-Eastman, Textbook Palaeontology, 1896, p. 164 (Ed. 2, 1913, p. 204).—Bather, Treatise on Zoology (Lankester), pt. 3, 1900, p. 190.—Springer, Mem. Mus. Comp. Zool. Harvard, XXV, No. 1, 1901, p. 71; Amer. Geologist, XXX, 1902, p. 89; Jour. Geology, XIV, 1906, p. 518. Proguettardicriuus ? Steinmann, Geol. Grundlagen der Abstammungslehre, 1908, p. 153. Not Angelin, Icon. Crin. Sueciae, 1878, p. 9 = Lithocrinus; nor Lyon and Casseday, Amer. Jour. Sci., XXVIII, 1859, p. 235 = Onychocrinus; nor Trautschold, Bull. Soc. Imp. Moscow, XL, 1867, p. 31 =


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