ECHINODERMATA. 



75 



incipiens, Hall, 1861, Desc. New Orinoi- 

 dea, Burlington Gr. [Sig. a begin- 

 ning.] 

 inflatm, Troost. Not defined. 



injlexus, Geinitz, 186(5, syn. for Poteriocri- 

 nuB hemisphericus. 



insperatus, Lyon, 1860, Trans. Am. Phil. 

 Soc, vol. 13, Low. Carb. [Sig. unex- 

 pected.] 



intermedius. Hall, 1858, Geo. Eep. Iowa, 

 Keokuk Gr. [Sig. intermediate.] 



iowensis, Owen & Shumard, 1850, Jour. 

 Acad. Nat. Soi., 2d ser., vol. 2, Bur- 

 lington Gr. [Ety. proper name.] 



kelloggi. White, 1862, Proc. Bost. Soc. 

 Nat. Hist., vol. 9, Keokuk Gr. [Ety. 

 proper name.] 



laeviculus, Lyon, 1861, Proc. Acad. Nat. 

 Sci. Phil., Up. Pleld. Gr. [Sig. nearly 

 smooth.] 



latus, Hall, 1861, Desc. New Crinoidea, 

 Burlington Gr. [Sig. wide.] 



lamellosus. White, 1863, Jour. Bost. Soc. 

 Nat. Hist., vol. 7, Burlington Gr. 

 [Sig. in very thin plates.] 



lyoni, Hall, 1861. Desc. New Crinoidea, 

 Warsaw Gr. [Ety. proper name.] k 



macro pleurus. Hall, 1861, Desc. New 

 Crinoidea, Burlington Gr. [Sig. long- 

 sided.] 



magister. Hall, 1858, Geo. Rep. Iowa, 

 Keokuk Gr. [Sig. the master, chief.] 



magnoUifcmnig, see Zeacrinus magnolii- 

 forrais. 



malvaceus. Hall, 1858, Geo. Rep. Iowa, 

 Burlington Gr. [Sig. mallow-shaped.] 



maniformis, see Zeacrinus maniformis. 



multibrachiatus, Lyon & Casseday, 1859, 

 Am. Jour. Sci., vol. 28, Warsaw Gr. 

 [Sig. many-armed.] 



ornatissimus. Hall, 1843, Geo. Eep. 4th 

 Dist. N. Y., Portage Gr. [Sig. highly 

 ornamented.] 



parvibrachiatus, Hall, 1861, Desc. New 

 Crinoidea, Keokuk Gr. [Sig. small- 

 armed.] 



pentalobus. Hall, 1858, Geo. Rep. Iowa, 

 Kaskaskia Gr. [Sig. five-lobed.] 



planm, Troost. Not defined. 



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

 4, Niagara Gr. [Ety. mythological 

 name.] 



poterium, Meek & Worthen, 1870, Proc. 

 Acad. Nat. Sci. Phil., Keokuk Gr. 

 [Sig. a drinking vessel, a goblet,] 



protuberans. Hall, 1858, Geo. Rep. Iowa, 

 Keokuk Gr. [Sig. protuberant.] 



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

 4, Niagara Gr. [Sig. very small.] 



pyriformis, Murchison, Sil. Researches, 

 1839, as identified by Hall, but de- 

 scribed by Conrad as Ichthyocrinus 

 Isevis. 



quinquelobus. Meek & Worthen, 1865, 

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

 Gr. [Sig. five-lobed.] 



rarus, Lyon, 1860, Trans. Am. Phil. Soc, 

 vol. 13, Low. Carb. [Sig. rare.] 



rigidus, White, 1862, Proc. Bost. Soc. Nat. 



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



rigid, not flexible.] 

 robiiatus, Troost. Not defined. 

 roemeri, Troost. Not defined, 

 rotundatus. Hall, 1858, Geo. Rep. Iowa, 



Burlington Gr. [Sig. rounded.] 

 saffordi, Meek & Worthen, 1860, Proc. 



Acad. Nat. Sci. Phil., Keokuk Gr. 



[Ety. proper name.] 

 sangamonensis, Meek & Worthen, 1860, 



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



Meas. [Ety. proper name.] 

 scitulus, syn. for C. sculptilis. 

 sculptilis, Hall, 1860, Supp. to Geo. Rep. 



Iowa, Burlington Gr. [Sig. carved, 



engraved.] 

 sculptui, Troost. Not defined, 

 solidus. Hall, 1861, Desc. New Crinoidea, 



Burlington Gr. [Sig. solid, dense, 



compact.] 

 spurius. Hall, 1858, Geo. Rep. Iowa, 



Keokuk Gr. [Sig. spurious.] 

 stellatus, Troost, 1860, Cat. Crin. Proc. 



Am. Assoc, Ad. Sci., Keokuk Gr. 



[Sig. glittering with stars.] 

 subtumidus. Meek & Worthen, 1865, 



Proc. Acad. Nat. Sci. Phil., Warsaw 



Gr. [Sig. somewhat tumid.] 

 tmnesseea;, Troost. Not defined, 

 tenuidactylus. Meek & Worthen, 1868, 



Proc Acad. Nat. Soi. Phil., Burlington 



Gr. [Sig. slender-fingered.] 

 thorms, see Barycrinus thomas. 

 tianeformis, see Ichthyocrinus tiariformis. 

 tumidus, Hall, 18,58, Geo. Rep. Iowa, 



Keokuk Gr. [Sig. tumid, or as if 



swollen.] 

 viminalis. Hall, 1861, Desc. New Crinoi- 

 dea, Burlington Gr. [Sig. rod-like.] 

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

 agara Gr. [Ety. proper name.] 

 wortheni, Lyon, 1861, Proc. Acad. Nat. 



Sci. Phil., Up. Held. Gr. [Ety. proper 



name.] 

 wachsmuthi. Meek & Worthen, 1861, 



Proc. Acad. Nat. Sci. Phil., Burlington 



Gr. [Ety. proper name.] 

 Cydaster, Billings, 1857, Rep. of Progr. This 



name was preoccupied. See Edrio- 



aster. 

 higshyi, see Edrioaster bigsbyi. 

 Cyclocystoides, Billings & Salter, 1858, Can. 



Org. Rem., Decade 3. [Ety. kiiklos, a 



ciicle; imiis, a bladder ; eidos, form.] 

 anteceptus. Hall, 1866, Pamphlet, Trenton 



& Hud. Eiv. Gr. [Sig. anticipated, 



comprehended before.] 

 halli, Billings, 1858, Can. Org. Rem., 



Decade 3, Trenton Gr. [Ety. proper 



name.] 

 huronensis, Billings, 1865, Pal. Foss. vol. 



1, Hud. Biv. Gr. [Ety. proper name.] 

 salteri. Hall, 1866, Pamphlet, Trenton 



Gr. [Ety. proper name.] 

 Cystocrinus, Roemer, 1860, Sil. Eauna. West 



Tenn. [Ety. hmiis, a bladder ; krinon, 



a lily.] 



