. The Devonian crinoids of the State of New York. Crinoidea, Fossil; Paleontology; Paleontology. Figure 17 Cyathocrinus m a 1 - v a c e u s . A, tegmen showing super- ficial plating. B, tegmen with the same removed. R, radial; 0, orals of Bather, interradial plates of Wachs- muth and Springer; P, enlarged peri- stomial plates of Bather, orals of Wachs- muth and Springer; Amb, ambulacrals; a, anal interradial of Wachsmuth and Springer, posterior oral (madreporite) of Bather. (From Springer in Zittel, 1913, after Meek and Worthen).. Figure 18 Megisto- crinus nodosus. Tegmen showing the no- dose

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. The Devonian crinoids of the State of New York. Crinoidea, Fossil; Paleontology; Paleontology. Figure 17 Cyathocrinus m a 1 - v a c e u s . A, tegmen showing super- ficial plating. B, tegmen with the same removed. R, radial; 0, orals of Bather, interradial plates of Wachs- muth and Springer; P, enlarged peri- stomial plates of Bather, orals of Wachs- muth and Springer; Amb, ambulacrals; a, anal interradial of Wachsmuth and Springer, posterior oral (madreporite) of Bather. (From Springer in Zittel, 1913, after Meek and Worthen).. Figure 18 Megisto- crinus nodosus. Tegmen showing the no- dose radial dome plates. x 2/3. (After Wachs- muth and Springer, 1897). a pentagonal arrangement like that of primitive orals (figure 13, no. 3). Wachsmuth and Springer (1897; Springer 1913) regard these plates as the orals. This line of modification of the tegmen is exemplified by such forms. 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 Goldring, Winifred, 1888-1971. Albany : University of the State of New York

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectpaleont, bookyear1923