. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 260 ECHINODERMA TA. MAR.—ME(.. Kio. ;to8. — Mnrlacrl- IIUH ciu'leyl. '-4 carleyi, Hall, 1862, (Glyptocrinus car- : leyi,) Trans. Alb, ' Inst., vol. 4, p. 203. i and lltli Rep. (Jeo. j and Nat. Hist. Ind., p. 261, Niagara (Jr. macropetalus. Hall, 1869, Pal. N. Y., | vol. 3, p. Ill, Low. ' Held. (ir. nobillissimuB, Hall, 1859, Pa). N. Y., vol. 3, p. 105, Low. Held. Gr. pacliydactylus, Conrad, 1841, (Astrocri- nites
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 260 ECHINODERMA TA. MAR.—ME(.. Kio. ;to8. — Mnrlacrl- IIUH ciu'leyl. '-4 carleyi, Hall, 1862, (Glyptocrinus car- : leyi,) Trans. Alb, ' Inst., vol. 4, p. 203. i and lltli Rep. (Jeo. j and Nat. Hist. Ind., p. 261, Niagara (Jr. macropetalus. Hall, 1869, Pal. N. Y., | vol. 3, p. Ill, Low. ' Held. (ir. nobillissimuB, Hall, 1859, Pa). N. Y., vol. 3, p. 105, Low. Held. Gr. pacliydactylus, Conrad, 1841, (Astrocri- nites pachvdactyUis,) Ann. Rep. N. Y., p. 34, and Pal. N. Y., vol. 3, j). 107, Low. Held. Gr. Syn. (?) for M. polydac- tylus. paucidactylus. Hall, 1859, Pal. N. Y., vol. 3, p. 109, Low Held. Gr. plnmosus, Hall, 1859, Pal. N. Y., vol. 3, p. 110, Low. Held. Gr. polydaclplus, Bonny, 1837, (Actinocrinus polydaetylus,) Am. Jour., vol. 31, syn. for M. pachydactylus ? ramosus. Hall, 1859, Pal. N. Y., vol. 3, p. 147, Low. Held. Gr. stoloniferus, Hall, 1859, Pal. N. Y., vol. 3, p. 112, Low. Held. Gr. warreni, Rinjrueberg, 1888, Proc. Acad. Nat. Sci. Phil., p. 133, Niagara'ir. Mahsupiocrinus, Phillips, 1839, Miirch. Sil. Syst., p. 672. [Ety. marsupos, bag; A-rinon, lily.] Basals 3; primary radials 2x5; secondary radials 2x5; arms 20; distinguished from Platycrinus by the higher order of radials, by the round column, instead of elliptic, and by hav- ing a larger canal. Type M. cselatus. dactyhis, see Lyriocrinus dactylus. tennesseensis, Roemer, 1860, (Platycrinus (tennesseensis,) Sil. Fauna West Tenn., p. 35, Niagara Gr. tentaculatus, Hall, 1861, (Platycrinus tentaculatus,) Pal. N. Y., vol. 3, p. 116, Low. Held. Gr. Megistocrinus, Owen & Shumard, 1852, Geo. Sur. Wis., Iowa, and Minn., p. 594. [Ety. megistos, very great; krinon, lily.] Body basin-shaped; basals 3; primary radials 3x5; secondary radials 1x10; tertiary radials 1 or more x 20; inter- radials numerous; first azygous plate
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