ECHINODERMATA. 



CoDONiTES, Meek & Worthen, 1869, Proc. 

 Acad. Nat. Sci. Phil. [Ety. kodm, a 

 bell; litlioi, stone.] 

 gracilis, Meek & Worthen, 1873, Geo. Sur. 

 111., vol. 5, Burhngton Gr. [Sig. 

 slender.] 

 stelliformis, ()vven & Shumard, 1850, (Pen- 

 tremites stellitormi.s). Jour. Acad. Nat. 

 Sci. Phil., 2d series, vol. 2, Burlington 

 Gr. [iSi^;. star-shaped.] 

 CcELiocHiNus, White, 1863, Jour. Bost. Soc. 

 Nat. Hist., vol. 7. [Ety. MHa, the 

 belly ; krinon, a lily.] 

 dilatatus. Hall, 1861, (Poteriocrinus dila- 

 tatus) De.ic. New Crinoidea, Burling- 

 ton Gr. [Sig. widened, spread out.] 

 subspinosus. White, 1863, Jour. Bost. Soc. 

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

 somewhat covered with spinas.] 

 ventricosus. Hall, 1861, (Poteriocrinus 

 ventricosiis) Desc. New Crinoidea, 

 Burlington Gr. [Sig. Ijulging out.] 

 CcELOCRiNus, Meek & Worthen. 1865, Proc. 

 Acad. Nat. Sci. Phil. '[Ety. koilos, 

 hollow; kriiioH, a lily.] 

 concavus, Meek & Worthen, 1861, (Acti- 

 noerinus concavus) Proc. Acad. Nat. 

 Sei. Phil., Biu-lington Gr. [Sig. de- 

 pressed, concave.] 

 CoMAKocYSTiTE.s, BiUings, 1854, Can. Jour., 

 vol. 2. [Ely. komaron, a strawberry; 

 kiistix, a bladder.] 

 obeonicus, Meek & Worthen, 1865, Proc. 

 Acad. Nat. Sci. Phil., Trenton Gr. 

 [Sig. inversely conical.] 

 punctatus, Billings, 18.54, Can. Jour., vol. 



2, Trenton Gr. [Sig. punctate.] 

 shumardi, IMeek & Worthen, 1865, Proc. 

 Aeail. Nat. Sei. Phil., Trenton Gr. 

 [Ety. projier name.] 

 C_'onoci-i:i)iK, Trodst. Not defined. 

 CoROSocEiNus, 1 hill, 1859, Pal. N. Y., vol. 3. 

 [Etj'. kui-iiiir; a crown ; kiincm, a lily.] 

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

 Low. Held. Gr. [.Sig. many-fingered.] 

 CoTYLEDoxocEiNus, Casseday & Lyon, 1860, 

 Proc. Am. Acad. Arts & Sei., vol. 5. 

 [Ety. ki)iijlrdim, any cup-shaped hollow 

 or cavity ; krinon, a lily.] 

 pentalobus, ('asseday & Lyon, 1860, Proc. 

 Am. Acad. .\rts & Sei., vol. 5, Kaskas- 

 kia Gr. [Sic. five-lobed.] 

 Ckinocystites, Hail, 1864, 20th Reg. Rep. 

 [Ety. krinon, a lily ; hiiflifs, a bladder.] 

 chrysalis, Hall, 1864, 20th E(?g. Rep., Ni- 

 agara Gi'. [Sig. chrysalis.] 

 (?) rriiiuf, Hall, 1S64, see Rhodocrinus (?) 

 rectus. 

 CrumenH'criniles, Troost, 1850. Not defined. 



oralis, Troost, 1850. Not defined. 

 Ctenocrinus, Bronn, 1840, Leonh. und 

 Bronn, Jahrb. [Ety. kirn, comb; kri- 

 non, a lily.] This genus may include 

 the species referred to Macrostylo- 

 crinus, if so, it would have priority, 

 bainbridgensis. Hall & Whitfield, 1875, 

 Ohio Pal., vol. 2, Portage Gr. [Ety 

 proper name.] 



breviradiatus, Hall & Whitfield, 1872, 

 Ham. Gr. [Sig. having short rays.] 

 Cupellsecrinus. This name was proposed by 

 Troost in his catalogue published in 

 1850, in Proc. Am. Ass'n, with the 

 following species, C. buchii, C. corru- 

 gatits, C. inflalnx, C. Issvis, C. magnifiena, 

 C. pentagonalix, (.'. rosieformis, C. stellatus, 

 and C. xtrialns. As the words have 

 never been illustrated or defined, they 

 must be regarded as out of the list. 

 Cyathocrinus, Miller, 1821, Nat. Hist. 

 Crinoidea. [Ety. cyathos, a cup or 

 goblet; krinon, a lily.] 



angulatus. Meek & AVorthen, 1860, Proc. 

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

 [Sig. having angles, cornered.] 



arboreus. Meek & Worthen, 1865, Proc. 

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

 [Sig. tree-like.] 



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

 Y., Up. Held. Gr. [Sig. bulbous.] 



buUatus, Hall, 1858, Geo. Rep. Iowa, 

 Keokuk Gr. [Sig. bossed, studded 

 with small round knobs.] 



ccmglobaitiK, Troost. Not defined. 



cora. Hall, 1864, 20th Reg. Rep. Niagara 

 Gr. [Ety. a Roman proper name.] 



cornutus, Owen & Shumard, 1850, Jour. 

 Acad. Nat. Sci., 2d sen, vol. 2, Bur- 

 lington Gr. [Sig. horned.] 



corrugatui, Troost. Not detined. 



crassibrachiatus. Hall, 1860, Supp. to Geo. 

 Iowa, Burlington Gr. [Sig. tliick- 

 armed.] 



crassus, see Zeacrinus crassus. 



cratcriformix, Troost. Not defined. 



decadactylus, Lyon & Casseday, 1859, 

 Am. Jour. Sci. & Arts, vol. 28, Low. 

 Carb. [Sig. ten-fingered.] 



dj^cadadi/luK, see Scapbiocrinus decadacty- 

 lus. This name was preoccupied. 



ileprrsKus, Troost, see Zeacrinus depressus. 



divaricatus, Hall, 1858, Geo. Rep. Iowa, 

 Burlington Or. [Sig. wide apart, 

 diverging.] 



enormis. Meek & Worthen, 1865, (Poterio- 

 crinus enorrais) Proc. Acad. Nat. Sci. 

 Phil., Burlington Gr. [Sig. unusually 

 large.] 



farleyi. Meek & Worthen, 1866, Proc. 

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

 [Etv. proper name.] 



fasciatus. Hall, 1876, 28th Reg. Rep. Ni- 

 agara Gr. [Sig. striped.] 



florealis, see Zeacrinus florealis. 



fragilis, IMeek & Worthen, 1868, Proc. 

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

 [Sig. frail, easily broken.] 



globosLis, Troost. Not defined. 



granuliferus, Shumard, 1852, Red. Riv. 

 Expl. Louisiana, Kaskaskia Gr. [Sig. 

 bearing granules.] 



h^adactylus, Lyon & Casseday, 1859, 

 Am. Jour. Sci., vol. 29, Kaskaskia Gr. 

 [Sig. six-fingered.] 



Iwveyi, see Barycrinus hoveyi. 



