. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Kk;. :> locri- imssuhcrassus. tutlinally, five partite, and corrugated transversely; column sliarply pentag- onal. Type I. subcrassus. rassus, Meek i^ Worthen, 1H65, (Hete- rocrinns crapsup, I Proc. At-ad. Sat. Sci. Phil., p. 147, and(ieo. Sur. 111., vol. 3, p. 325, Hud. Riv. (.ir. , syn. for I. Hub- ((i«i« crassus. il lulr»l subcrassus. Meek iV: Wor- 'â " then, 1865, (Heterocri- nus, eub
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Kk;. :> locri- imssuhcrassus. tutlinally, five partite, and corrugated transversely; column sliarply pentag- onal. Type I. subcrassus. rassus, Meek i^ Worthen, 1H65, (Hete- rocrinns crapsup, I Proc. At-ad. Sat. Sci. Phil., p. 147, and(ieo. Sur. 111., vol. 3, p. 325, Hud. Riv. (.ir. , syn. for I. Hub- ((i«i« crassus. il lulr»l subcrassus. Meek iV: Wor- 'â " then, 1865, (Heterocri- nus, eubcrassiis,) Proc. Acad. Nat. Sci. Phil., p. 148, and (ieo. Sur. III., vol. 8, p. 325, Hud. Riv. (ir. trentonensis, Walcott, 1884, 35th Rep. N. Y. St. Mus. Nat. Hist., p. 210, Tren- ton Gr. Lamptkhocrinus, Roemer, 18()0, 811. Fauna West Tenn., p. 37. [Kty. lamp- ter, lamp; Lrinon, lily. Calyx urn-shaped, con- tracted between the arm- bases, and bulged out on the azygous side; basals 5 ; subradials 5; primary ladials 3x5: secondary rinlials, 1 x 10; interradials 8 or 10, graduating into the vault; iizygous interradials more numer- ous; vaultunsymmetrical,and l)earinga subcentral proboscis or vcniral sac; arms unknown. Type L. U nnessecnsis. iiiflatup. Hall, 1861, (Balanocrinus in- flatus,) Rep. of Progr. Sur. of Wis., p. 22, and 20th Rep. N. Y. St. Mus. Nat. Hist., p. 328, Niagara Gr. parvus. Hall, 1879, Desc. New Spec. Foss., p. 9, and 11th Rep. Geo. Nat. Hist. Ind., p. 272, Niagara Gr. uriilptus, syn. for L. tennesbeensis. t e 11 nesseensis, K o e m e r , 1860, Sil. Fauna West Tenn., p. .37, Niasrara Gr. L K( A NOCKINUS, Hall, , Pal. N. Y., vol. 2, p. 199. [Kty. lekanr, basin; kr I'- ll on, lily.] R o d y and arms subglo- 1)086; plates heavy; ba- sals 3; subra- dials 1x5; l>rimary ra- il ial 8 2 or 3x5; sec- ondary ra- dials 1 to 3x10; azygous interradials 2 ; arms as in Ichth'yocrinus ; column round. Type L. Fig. 347 âLampterocrliius teaiitt
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