. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Echinocystites, Hall, which was pre- occupied. The genus is known only from casts, nodosus, Hall, 1864, (Echinocvstites no- docup, 20th Rep. N. Y. Mus. Nat. Hist., p. 360, Niagara Gr. MAi'it08Tvi,ociuNi!S, Hall, 1852, Pal. N. Y., vol. 2, p. 203. [Kty. makms, long; stylos, an arm ; krimti, lily.] Calyx ui n- shaped ; basals 3; primary radials ;>x o ; secondary radials 1 or more by 10; regular interradials 3; azy
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Echinocystites, Hall, which was pre- occupied. The genus is known only from casts, nodosus, Hall, 1864, (Echinocvstites no- docup, 20th Rep. N. Y. Mus. Nat. Hist., p. 360, Niagara Gr. MAi'it08Tvi,ociuNi!S, Hall, 1852, Pal. N. Y., vol. 2, p. 203. [Kty. makms, long; stylos, an arm ; krimti, lily.] Calyx ui n- shaped ; basals 3; primary radials ;>x o ; secondary radials 1 or more by 10; regular interradials 3; azygous inter- radials 4; arms 10. Type M. or- natus. fasciatus, Hall, 1870, (Cyathocrinus fas- ciatuH,) 28th Rep. N. Y. St. Mus. Nat. Hist., p. 130, Niagara (ir. Probably a syn, for M. meeki. fusibrachiatus, Ringueberg, 1882, .Jour. Cin. Soc. Nat. Hist., vol. 5, p. 119, Niagara <ir. meeki, Lyon, 1861, (Actinocrinus meeki,i Proc. Acad. Nat. Sci. Phil., Niagara Gr. ornatus, Hall, 1852, 204, Niagara (»r. striatus, Hall, 1868, Alb. Inst., vol. 4, and 20th Rep. N. Y. St. I ' Mus. Nat. Hist., p. 327, | Niagara Gr. striatus var. granulosus. Hall, 1879, 28th Rep. N. Y, St. MuB. Nat. Hist., p. 129 Niagara Gr. Ma Loc Y ST iTEs, BilHngs, 1858, Can. Org. Rem., Decade 3, p. 66. [Ety. malum, apple; kustis, bladder.] Body ovate or globu- lar ; plates nonporiferous and in very irregular series; first series 3; second series 10 or 12, and in all the series 40 or 50; mouth apical: ambulacral ori- tice near the upper pan; arms recum- bent, 8 or more. Type M. murchisoni. barrandi, Billings, 18o8, Can. Org. Rem., Decade 3, p. 67, Chazy Gr. murchisoni, Billings, 1858, Can. Org. Rem., Dec- ade 3, p. 66, Chazy Gr. Mariac'Rinls, Hall, ;)9, Pal. N. Y., vol. 3, p. 104. [Ety. Maria, proper name; krinon, lily.] Body obconoidal, in- terradial areas d e - pressed, surface orna- mented; basals 4; primary radials 3 x 5 ; secondary radials 3x10; tertiary radi- als 1 or more by 20; interradials 3 to
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