ECHINODERMATA. 



sculptus, Hall, 1859, Pal. N. Y., vol. 3, 

 Oriskany sandstone. [Sig. engraved, 

 sculptured.] 



spinulosis, Hall, 1859, Pal. N. Y., vol. 3, 

 Oriskany sandstone. [Sig. covered 

 with little spines.] 



striatus, Hall, 1859, Pal. N. Y., vol. 3, 

 Oriskany sandstone. [Sig. striated.] 

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

 [Ety. thysanos, fringed ; from the fim- 

 briated arms or fingers of the species ; 

 krinon, a lily.] 



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

 , Niagara Gr. [Sig. armed with sharp 

 points.] 



canaliculars, Hall, 1852, Pal. N. Y., 

 vol. 2, Niagara Gr. [Sig. channeled, 

 grooved.] 



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

 Niagara Gr. [Sig. not mature, not 

 full grown.] 



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

 Niagara Gr. [Sig. lily-shaped.] 



microbasalis, Billings, 1857, (Rhodocrinus 

 microbasalis) Rep. of Progr., Trenton 

 Gr. [Sig. having a small base.] 



pyriformis, Billings, 1857, (Rhodocrinus 

 pyriformis) Rep. of Progr., Trenton 

 Gr. [Sig. pear-shaped.] — 

 Trematocrinus, syn. for Goniasteroidocrinus. 



fiscellus, see Goniasteroidocrinus fiscellus. 



papillatus, see G. papillatus. 



reticulatus, see G. reticulatus. 



robustus, see G. robustus. 



spinigei-us, see G. spinigerus. 



tubercvlatm, see G. tuberculatus. 



typus, see G. typus. 

 Vasocrinus, Lyon, 1857, Geo. Sur. Ky., vol. 

 3. [Ety. vas, a vessel ; krinon, a lily.] 



sculptus, Lyon, 1857, Geo. Sur. Ky.,vol. 3, 

 Corniferous Gr. [Sig. sculptured.] 



valens, Lyon, 1857, Geo. Sur. Ky., vol. 3, 

 Corniferous Gr. [Sig. strong, vigor- 

 ous.] 

 Zeackinus, Troost, Catal. Foss., 1850, and 

 described by Hall, 1858, Geo. Iowa. 

 [Ety. zea, indian corn; krinon, a lily.] 



acanthophorus, Meek & Worthen, 1870, 

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

 [Sig. spine-bearing.] 



arboreus, Worthen, 1873, Geo. Sur. 111., 

 vol. 5, St. Louis Gr. [Sig. tree-like.] 



armiger, Meek & Worthen, 1870, Proc. 

 Acad. Nat. Sci. Phil., Chester Gr. 

 [Sig. armed.] 



asper, Meek & Worthen, 1869, Proc. Acad. 

 Nat. Sci. Phil., Burlington Gr. [Sig. 

 rough.] 



bifurcatus, McChesney, 1860, New Pal. 

 Foss., Kaskaskia Gr. [Sig. bifur- 

 cated.] 



cariniferus, Worthen, 1873, Geo. Sur. 

 111., vol. 5, St. Louis Gr. [Sig. keel- 

 bearing.] 



compactilis, Worthen, 1873, Geo. Sur. 

 111., vol. 5, St. Louis Gr. [Sig. com- 

 pact, pressed together.] 



crassus, Meek & Worthen, 1860, (Cyath- 

 ocrinus crassus) Proc. Acad. Nat. Sci. 

 Phil., Low. Coal Meas. [Sig. thick.] 



crateriformis, Troost. Not defined. 



depressus, Troost, as defined by Hall, 

 1858, Geo. Rep. Iowa, Chester Gr. 

 [Sig. depressed.] 



discus, Meek & Worthen, 1860, Proc. 

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

 [Sig. a quoit.] 



elegans, Hall, 1858, Geo. Rep. Iowa, Bur- 

 lington Gr. [Sig. elegant.] 



florealis, Yandell & Shumard, 1847, (Cy- 

 athocrinus florealis) Cont. to Geol. Ky. 

 Kaskaskia Gr. [Sig. flower-like.] 



formosus, Worthen, 1873, Geo. Sur. 111., 

 vol. 5, Chester Gr. [Sig. beautiful.] 



intermedius, Hall, 1858, Geo. Rep. Iowa, 

 Kaskaskia Gr. [Sig. intermediate.] 



lyra, Meek & Worthen, 1869, Proc. Acad. 

 Nat. Sci. Phil., Burlington Gr. [Sig. 

 a lute, a stringed instrument.] 



magnoliaformis, Owen & Norwood, 1846, 

 (Cyathocrinus magnoliaformis) Re- 

 search Pot. Carb. Rocks Ky., Kaskas- 

 kia Gr. [Sig. magnolia-like.] 



maniformis, Yandell & Shumard, 1847, 

 (Poteriocrinus maniformis) Contribu- 

 tions to the Geo. of Ky., Kaskaskia 

 Gr. [Sig. like a hand.] 



merope, Hall, 1863, Extract from 17th 

 Reg. Rep. N. Y, Waverly Gr. [Ety. 

 mythological name.] 



mucrospinus, McChesney, 1859, New 

 Pal. Foss., Coal Meas. [Sig. sharp- 

 spined.] 



ovalis, Lyon & Casseday, 1859, Am. Jour. 

 Sci., vol. 28, Kaskaskia Gr. [Sig. egg- 

 shaped.] 



paternus, Hall, 1863, Crin.'Wav. Sands. 

 Ohio, Waverly Gr. [Sig. paternal.] 



perangulatus, White, 1862, Proc. Bost. 

 Soc. Nat. Hist., vol. 9, Burlington Gr. 

 [Sig. very angular.] 



planobrachiatus, Meek & Worthen, 1860, 

 Proc. Acad. Nat. Sci. Phil., Keokuk 

 Gr. [Sig. smooth-armed.] 



ramosus, Hall, 1858, Geo. Rep. Iowa, 

 Burlington Gr. [Sig. branching.] 



sacculus, White, 1862, Proc. Bost. Soc. 

 Nat. Hist., vol.9, Burlington Gr. [Sig. 

 a little bag.] 



sacculus var concinnus, White, 1862, 

 Proc. Bost. Soc. Nat. Hist., vol. 9, 

 Burlington Gr. [Sig. beautiful.] 



scobina, Meek & Worthen, 1869, Proc. 

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

 [Sig. a rasp.] 



scoparius, Hall, 1861, Desc. New Crinoi- 

 dea, Burlington Gr. [Sig. a sweeper.] 



serratus, Meek & Worthen, 1861, Proc. 

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

 [Sig. serrated.] 



spinosus, Owen & Shumard, 1852, (Pote- 

 riocrinus spinosus,) Jour. Acad. Nat. 

 Sci. Phil., Kaskaskia Gr. [Sig. spiny.] 



