ECHINODERMATA. 



93 



I 

 i 



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

 Oriskany sandstone. [Sig, engraved, 

 sculptured.] 



spinulosus, 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.] 



canaliculatus. 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, BilHngs, 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.] 

 Trematoa'inus, syn. for Goniasteroidocrinus. 



fiscellm, see Goniasteroidocrinus fiscellus. 



papillatus, see G. papillatus. 



reticulatiis, see G. reticulatus. 



robustus, see G. robustus. 



spinigerus, see G. spinigerus. 



tuhercvlatus, 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.] 

 Zeacrinus, 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.] 



intermedins, Hall, 1858, Geo. Rep. Iowa, 

 Kaskaskia Gr. [Sig. intermediate.] 



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

 Nat, Sci. Phil,, BurHngton 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.] 



Aucrospinus, 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.] 



