. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Viu. nil. — Ketlocri HUH stellarifi. barrisi var. diverKens, Hall, 18(U, DeMc. New Grin., p. 9, and Jour. BoBt, Hoc. Nat. IliHt., vol. 7, p. 322, Burling- ton Gr. • coxanus, Wortlien, 1882, Bull. No. 1, 111. St. Mu8. Nat. Hist., p. 29, and Geo. Sur. III., vol. 7, P. 305, Keokuk Gr. I'ligoihiinrhuH gouldi. Not recognized. , Billings, I8.'38, Gan. Org. Rem., Decade 4, p. 63. [Kty. retium, net; krinon, l


. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Viu. nil. — Ketlocri HUH stellarifi. barrisi var. diverKens, Hall, 18(U, DeMc. New Grin., p. 9, and Jour. BoBt, Hoc. Nat. IliHt., vol. 7, p. 322, Burling- ton Gr. • coxanus, Wortlien, 1882, Bull. No. 1, 111. St. Mu8. Nat. Hist., p. 29, and Geo. Sur. III., vol. 7, P. 305, Keokuk Gr. I'ligoihiinrhuH gouldi. Not recognized. , Billings, I8.'38, Gan. Org. Rem., Decade 4, p. 63. [Kty. retium, net; krinon, lily.] Calyx baBin-shaped ; radial ridges very prominent; bitsals 5, large ; nub- ra<lial8 5, large; primary radials 4x5; Hecondary radials 4 to 6x10; plates in interradial areas, numerous, witb a large central row in the azygous area extending up the side of a ventral tube; (;olumn round. Type R. stellaris. timbriatus, Billings, 1859, Gan. Org. Rem., Decade 4, p. 65, Hud. Riv. Gr. gracilii, Wetherby, syn. for Gaurocrinus angularis. stellariH, Billings, 1859, Gan. Org. Rem., Dec- ade 4, p. ()4, Trenton (Jr. KiiAi'iiANOciuNus, VVachs- muth & Springer, 1885, Kevis. Palu'ocri- noidea, pt. 3, p. 98. [Ety. raphanon, rad- ish ; krinon, lily.] Galyx short; basals 5, small; subradials 5; primary radials 3x5; interradial 8 numerous; column round. Type R. sub- nodoMUS. Hubnodosus, Waicott, 1883, Glyptocrinus subnodosus,) 35th Rep. N. Y. St. Mus. Nat. Hist., p. 208, Trenton (rr. RiroDOCRiNus, Miller, 1821, Nut. Hist., Cri- noidea, p. 106. [Ety. rhodon, rose; krinon, lily.] Body snbglobose, often wider than high, constricted near the arm bases; basals 5, small; subradials 5; primary radials 3 to 4 x 5; secondary radials 1 to 3x10; arms Widely sepa- rated, and composed of two rows of interlocking plates; interradial areas wide, plates large; vault depressed; orifice excentric and protruding; col- umn round. Type R. verus. asperatuB, Billings, 1869, Gan. Org. Rem., Decade 4, p.


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Keywords: ., boo, bookcentury1800, booksubjectgeology, booksubjectpaleontology