ECHINODEEMATA. 



93 



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 ; 



hinon, 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.] 

 liliilormis. 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. 

 fiscelltis, see Goniasteroidocrinus fiscellus. 

 papillatus, see G. papillatus. 

 retieulatus, see G. reticulatus. 

 robustus, see G. robustus. 

 spinigerus, see G. spinigerus. 

 tuberculatus, see G. tuberculatus. 

 typw, see G. typus. 

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



3. [Ety. vas, a vessel ; l-rinon, 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.] 

 Zbacrinus, 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- 



cariniferus, Worthen, 1873, Geo. Sur. 

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



compactufs, 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.] 



craterifoimis, 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.] 



Ij'ra, 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., BurUngton Gr. 

 [Sig. serrated.] 



spinosus, Owen & Shumard, 1852, (Pote- 

 riocrinus spinosus,) Jour. Acad. Nat. 

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



