7-1 



ECHINODERMATA. 



Codonites, Meek & Worthen, 1869, Proc. 



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



bell; lithos, stone.] 

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



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



slender.] 

 stelliformis, Owen & Shumard, 1850, (Pen- 



tremites stelliformis), Jour. Acad. Nat. 



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



Gr. [Sig. star-shaped.] 

 Cceliocrinus, White, 1863, Jour. Bost. Soc. 



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



belly ; krinon, a lily.] 

 dilatatus, Hall, 1861, (Poteriocrinus dila- 



tatus) Desc. 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 spines.] 

 ventricosus, Hall, 1861, (Poteriocrinus 



ventricosus) Desc. New Crinoidea, 



Burlington Gr. [Sig. bulging out.] 

 Cuslocrinus, Meek & Worthen. 1865, Proc. 



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



hollow ; krinon, a lily.] 

 concavus, Meek & Worthen, 1861, (Acti- 



nocrinus concavus) Proc. Acad. Nat. 



Sci. Phil., Burlington Gr. [Sig. de- 

 pressed, concave.] 

 Comarocystites, Billings, 1854, Can. Jour., 



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



kustis, a bladder.] 

 obconicus, Meek & Worthen, 1865, Proc. 



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



[Sig. inversely conical.] 

 punctatus, Billings, 1854, Can. Jour., vol. 



2, Trenton Gr. [Sig. punctate.] 

 shumardi, Meek & Worthen, 1865, Proc. 



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



[Ety. proper name.] 

 Conocrinus, Troost. Not defined. 

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



[Ety. korone, a crown ; krinon, a lily.] 

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



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

 Cotyledonocrinus, Casseday & Lyon, 1860, 



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



[Ety. kotyledon, any cup-shaped hollow 



or cavity; krinon, a lily.] 

 pentalobus, Casseday & Lyon, 1860, Proc. 



Am. Acad. Arts & Sci., vol. 5, Kaskas- 



kia Gr. [Sig. five-lobed.] 

 Crinocystites, Hall, 1864, 20th Reg. Rep. 



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

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

 agara Gr. [Sig. chrysalis.] 

 (?) rectus, Hall, 1864, see Rhodocrinus (?) 



rectus. 

 Crumensecrinites, Troost, 1850. Not defined. 



ovalis, Troost, 1850. Not defined. 

 Ctenocrinus, Bronn, 1840, Leonh. und 

 Bronn, Jahrb. [Ety. kten, 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.] 

 CupelUecrinus. 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- 

 gdtus, C. injlatus, C. Isevis, C. magnificw, 

 C. pentagonalis, C. rosxformis, C. stellatus, 

 and C. striatus. 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 & Worthen, 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.] 



bullatus, Hall, 1858, Geo. Rep. Iowa, 

 Keokuk Gr. [Sig. bossed, studded 

 with small round knobs.] 



conglobalus, 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 ser., vol. 2, Bur- 

 lington Gr. [Sig. horned.] 



corrugatus, Troost. Not defined. 



crassibrachiatus, Hall, 1860, Supp. to Geo. 

 Iowa, Burlington Gr. [Sig. thick- 

 armed.] 



crassus, see Zeacrinus crassus. 



crateriformis, Troost. ^ Not defined. 



decadactylus, Lyon & Casseday, 1859, 

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

 Carb. [Sig. ten-fingered.] 



decadactylus, see Scaphiocrinus decadacty 

 lus. This name was preoccupied. 



depressus, Troost, see Zeacrinus depressus 



divaricatus, Hall, 1858, Geo. Rep. Iowa 

 Burlington Gr. [Sig. wide apart 

 diverging.] 



enormis, Meek & Worthen, 1865, (Poterio 

 crinus enormis) 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, Meek & Worthen, 1868, Proc. 

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

 [Sig. frail, easily broken.] 



globosus, Troost. Not defined. 



granuliferus, Shumard, 1852, Red. Riv. 

 Expl. Louisiana, Kaskaskia Gr. [Sig. 

 bearing granules.] 



hexadactylus, Lyon & Casseday, 1859, 

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

 [Sig. six-fingered.] 



hoveyi, see Bary crinus hoveyi. 



