78 



ECHINODERMATA. 



Ekeacrinus, Roemer, 1852, syn. for Nucleo- 



crinus.] 

 kirkwoodetms, see Nucleocrinus kirkwood- 



ensis. 

 vemeuili, see Nucleocrinus verneuili. 

 Eleutherocrinus, Shumard & Yandell, 1856, 



Proc. Acad. Nat. Sci. Phil., vol. 8. 



[Ety. eleutlieros, free ; krinon, a lily.] 

 cassedayi, Shumard & Yandell, 1856, 



Proc. Acad. Nat. Sci. Phil., vol. 8, Up. 



Held. Gr. [Ety. proper name.] 

 whitfieldi, Hall, 1862, 15th Reg. Rep. N. 



Y., Ham. Gr. [Ety. proper name.] 

 EociDARis, Desor, 1858, Synopsis des Echi- 



nides Fossiles. [Ety. eos, the dawn ; 



eidaris, a turban.] 

 drydenensis, Vanuxem, 1842, (Echinus 



drydenensis) Geo. Rep. 3rd Dist. N.Y., 



Chemung Gr. [Ety. proper name.] 

 hallianus, Geinitz, 1866, Garb, und Dyas. 



in Neb., Up. Coal Meas. [Ety. proper 



name.] 

 squamosus, Meek & Worthen, 1869, Proc. 



Acad. Nat. Sci. Phil., Burlington Gr. 



[Sig. scaly.] 

 EocYSTiTES, Billings, 1868, Acad. Geol. [Ety. 



eos, dawn; kusiis, a bladder.] 

 primaevus, Billings, 1868, Acad. Geol,, St. 



John's Gr. [Sig. in the first period of 



life.] 

 Eretmocrinus, Lyon & Casseday, 1859, Am. 



Jour. Sci., vol. 28. [Ety. eretmos, an 



oar ; krinon, a lily.] 

 calyculoides. Hall, 1860, (Actinocrinus 



calyculoides) Supp. to Geo. Sur. Iowa, 



Burlington Gr. [Sig. like a little cup.] 

 cUo, Hall, 1861, (Actinocrinus clio) Desc. 



New Crinoidea, Burlington Gr. [Ety. 



mythological name.] 

 cloelia, Hall, 1861, (Actinocrinus cloelia) 



Desc. New Crinoidea, Burlington Gr. 



[Ety. mythological name.] 

 magnificus, Lyon & Casseday, 1859, Am. 



Jour. Sci., vol. 28, Low. Carb. [Sig. 



magnificent.] 

 matuta, Hall, 1861, (Actinocrinus matuta) 



Desc. New Crinoidea, Burlington Gr. 



[Ety. Matuta, the name of a goddess of 



the morning.] 

 matuta var. attenuata, Hall, 1861, (Acti- 

 nocrinus matuta var. attenuata) Desc. 



New Crinoidea, Burlington Gr. [Sig. 



drawn out, attenuated.] 

 remibrachiatus. Hall, 1861, (Actinocrinus 



remibrachiatus) Desc. New Crinoidea, 



Burlington Gr. [Sig. paddle-armed.] 

 verneuilianus, Shumard, 1855, (Actinocri- 

 nus verneuilianus) Geo. Sur. Mo., 



Burlington Gr. [Ety. proper name.] 

 Erisocrinus, Meek & AVorthen, 1865, Am. 



Jour. Sci., vol. 89. [Ety. erls, conten- 

 tion; krinon, a lily.] The authors 



have expressed their doubts about 



this genus, because it is so closely 



allied to Dr. De Koninck's genus, 



PhUocrinm. 



antiquus, Meek & Worthen, 1869, Proc. 



Acad. Nat. Sci. Phil., Burlington Gr. 



[Sig. ancient.] 

 conoideus. Meek & Worthen, 1865, Proc. 



Acad. Nat. Sci. Phil., Up. Coal Meas. 



[Sig. somewhat conical.] 

 nebrascensis. Meek & Worthen, 1865, 



Am. Jour. Sci., vol. 89, Up. Coal Meas. 



[Ety. proper name.] This is regarded 



as merely a variety of E. typus. 

 typus, Meek & Worthen, 1865, Am. Jour. 

 • Sci., vol. 89, Up. Coal Meas. [Ety. 



type of the genus.] 

 tuherculatus, see Eupachycrinus tubercu- 



latus. 

 whitii. Meek & Worthen, 1869, Proc. 



Acad. Nat. Sci. Phil., Burlington Gr. 



[Ety. proper name.] 

 EucALYPTocRiNus, Goldfuss, 1826, Petref. 



Germ. [Ety. eu, well ; kalyptos, covered; 



krinon, sl lily.] 

 armosus, see Glyptocrinus armosus. 

 cselatus. Hall, 1843, (Hypanthocrinites 



cselatus) Geo. Rep., 4th Dist., N. Y., 



Niagara Gr. [Sig. carved in relief, 



sculptured.] 

 chicagoensis, Winchell & Marcy, 1865, 



Mem. Bos. Soc. Nat. Hist., Niagara 



Gr. [Ety. proper name.] 

 conicus, Troost. Not defined, 

 cornutus. Hall, 1864, 20th Reg. Rep., Ni- 

 agara Gr. [Sig. horned.] 

 cornutus var. excavatus. Hall, 1864, 20th 



Reg. Rep., N. Y., Niagara Gr. [Sig. 



hollowed out.] 

 crassus. Hall, 1863, Trans. Alb. Inst., vol. 



4, Niagara Gr. [Sig. thick, stout.] 

 decorus, Phillips, 1 839, (Hypanthocrinites 



decorus) Murch. Sil. Syst., Niagara 



Gr. [Sig. ornamented in relief.] 

 extemm, Troost. Not defined. 

 gibbosus, Troost. Not defined. 

 goldfussi, Troost. Not defined. 

 laevis, Troost. Not defined, 

 magnus, Worthen, 1875, Geo. Sur. 111., 



vol. 6, Up. Sil. [Sig. large.] 

 nashvillse, Troost. Not defined, 

 obconicus. Hall, 1864, 20th Reg. Rep., 



Niagara Gr. [Sig. inversely conical.] 

 ornatus, Hall, 1861, Rep. of Progr. Sur. 



of Wis., Niagara Gr. [Sig. adorned.] 

 ovatus, Troost, as figured by Hall, 1876, 



28th Reg. Rep., Niagara Gr. [Sig. 



ovate.] 

 papulosus. Hall, 1852, Pal. N. Y., vol. 2, 



Niagara Gr. [Sig. covered with pim- 

 ples.] 

 phillipsii, Troost. Not defined, 

 ramifer, Roemer, 1860, Sil. Fauna. West 



T e n n . , Niagara Gr. [Sig. bearing 



branches.] 

 splendidus, Troost, Catal. Plall & Whit- 

 field, 1875, Ohio Pal., vol. 2, Niagara 



Gr. [Sig. splendid.] 

 tennes»eeiv, Troost. Not defined. 

 EuG ASTER, Hall, 1868, 20th Reg. Rep. [Ety. 



nige, pre-eminent, remarkable; oMeXy 



a star.] 



