ECHINODERM ATA . 



285 



Pal., :N"o. 2, Utica Slate Gr. [Sig. 

 doubtful.] 

 Pal.easter exoulptus, S. A. Miller, 1881, 

 Jour. Cin. Soc. Nat. Hist., vol. 4, 

 Hud. Riv. Gv. [Sig. chiseled out.] 

 flnei, Ulrieh, 1870, .Tour. Cin. Soc. Nat. 

 Hist., vol. 2, Utica Slate Gr. [Ety. 

 proper name.] 

 liarrisi, S. A. Miller, 1879, Jour. Cin. Soc. 

 Nat. Hist., vol. 2, Hud. Kiv.,Gr. [Ety. 

 proper name.] 

 longibrachiatus, S. A. Miller, 1878, Jour. 

 Cin. Soc. Nat. Hist., vol. 1, Hud. Riv. 

 Gr. [Sig. long armed.] 

 miamiensis,' S. A. Miller, 1880, Jour. 

 Ciu. Soc. Nat. Hist., vol. 3, Hud. Riv. 

 Gr. [Ety. proper name.] 

 simplex, S. A. Miller, 1878, Jour. Cin. 

 Soc. Nat. Hirt., vol. 1, Hud. Riv. Gr. 

 [Sig. simple.] 

 spinulosus, Miller & Dyer, 1878, Jour. 

 Cin. Soc. Nat. Hist., vol. 1, Hud. 

 Riv. Gr. [Sig. full of spines.] 

 PAI..BAK-JEKINA approxlmata, Miller & Dyer, 

 ■ 1878, Jour. Cin. Soc. Nat. Hist., vol. 

 1, Hud. Riv. Gr. [Sig. near to.] 

 speciosa. Miller & Dyer, 1878, Jour. Cin. 

 Soc. Nat. Hist., vol. 1, Hud. Riv. Gr. 

 [Sig. beautiful.] 

 Pitrisocriiata, Wachsmuth & Springer, 1879, 

 Proc. Acad. Nat. Sci. [Ety. parisos, 

 resembling ; Icrinon, a lily.] A i^ro- 

 posed subgenus under Poteriocrinus. 

 Pentkemites angularis, and P. robustus, 

 are from the Kaskaskia Grouxj. 

 bipyramidalis, P. clavatus, P. grosve- 

 uori, P. lineatus, P, reinwardti, P. 

 subcylindricus, P. subtruncatus , and 

 P. -wortheni, are referred to the sub- 

 genus Troostocrinus. 

 abbreviatus, Hambach, 1880, Trans. St. 

 Louis Acad. Sci., vol. 4, Kaskaskia 

 Gr. [Sig. abbreviated.] 

 basilaris, Haml)ach, 1880, Trans. St. 

 Louis Acad. Sci., vol. 4, Kaskaskia 

 Gr. [Sig. relating to the base.] 

 broadbeadi, Hambach, 1880, Trans. St. 

 Louis Acad. Sci., vol. 4, Kaskaskia 

 Gr. [Ety. proper name.] 

 chesterensis, Hambach, 1880, Trans. St. 

 Louis Acad. Sci., vol. 4, Kaskaskia 

 Gr. [Ety. proper name ] 

 clavatus, Hambach, 1880, Trans. St. 

 Louis Acad. Sci , vol. 4, Kaskasliia 

 .Gr. [Sig. clavated.] 

 hemisphericus, Hambach, 1880, Trans. 

 St. Louis Acad. Sci., vol. 4, Kaskas- 

 kia Gr. [Sig. hemispherical.] 

 nodosus, Hambach, 1880. Trans. St. 

 Louis Acad. Sci., vol. 4, Kaskaskia 

 Gr. [Sig. nodose.] . 



potteri, Hambacli, 1880, Trans. St. Louis 

 Ai'ad. Sci., vol. 4, Burlington Gr. 

 [Ety. proper name.] 

 spinoRus, Hambach, 1880, Trans. St. 

 Louis Acad. Sci., vol. 4, Kaskaskia 

 Gr. [Sio'. spinous.] 

 sulcatus, is said by Hambach to be a 



syn. for P. laterniformis. The latter 

 A\"as founded upon a cast. 

 Pereichocrinus. Austin, 1843, Ann. & Mag. 

 Nat. Hist., vol. 11. Not defined so as 

 to be recognized,though some authors, 

 disregarding the rules of nomencla- 

 ture, have used the name in an at- 

 tempt to supplant, with it, Sacco- 

 crinuB. 

 Physetoceinus ornatus instead of Actino- 

 crinus ornatus. 

 venti'icosus instead of Actlnocrinus ven- 



tricosus. 

 ventricosus var. cancellatus instead of 

 Actlnocrinus ventricosus var. cancel- 

 latus. 

 ventricosus var. internodus instead of 

 Actlnocrinus ventricosus var. inter- 

 nodus. 

 reticulatus instead of Actlnocrinus retic- 

 ulatus. 

 PisocKiKus, DeKoninck, 1858, Bull. Acad. 

 Roy. Belgique,2meser.,tome3. [Ety. 

 pisos, a pea; Icrinon, a lilf'.] 

 gemmiformis, S. A. Miller, 1879, Jour. 

 Cin Soc. Nat. Hist., vol. 2, Niagara 

 Gr. [Sig. bud shaped.] 

 Platyceinu.s bloomfieldensis, S. A. Miller, 

 1880, Jour. Cin. Soc. Nat. Hist., vol. 

 2, Keokuk Gr. [Ety. proper name.] 

 bonoensis, "White, 1878, Proc. Acad. Nat. 

 Sci., Keokuk Gr. [Ety. propername.] 

 leai was described in 1869, Trans. Am. 

 Phil. Soc, vol. 13, from Up. Held. Gr. 

 monroensis, Worthen, 1882, Bull. No. 1, 

 HI. St Mus. Nat. Hist., St. Louis 

 Gr. [Ety. proper name.] 

 montanaensis, refer to Eucladocrinus 



montanensis. 

 multibrachiatus, is from the Burlington 



Group. 



ornigranulus, McChesney, 1860, Desc. 



iNew Pal. Foss., Burlington Gr. [Sig. 



having granules.] 



parruK, refer to Cordylocrinus parvus. 



pleiirorimineus, refer to Eucladocrinus 



pleurovimineus . 

 pluni(i.n(s, refer to Cordylocrinus plumo- 



sus. • „ 



poculum, 8. A. Miller, 1881, Jour. Cm. 

 Soc. Nat. Hist., vol. 4, Burlington Gr. 

 [Sig. a cup.] 

 praenuntius, Wachsmuth & Springer, 

 1878, Proc. Acad. Nat. Sci., Burling- 

 ton Gr. [Sig. a harbinger.] 

 pratteni, Worthen, 1860, Trans. St. 

 Louis Acad. Sci., Burlington Gr. 

 [Ety. proper name.] 

 rmmdosus, refer to Cordylocrinus ramu- 



losus. 

 siluricus, Hall, 1879, Desc. New Spec. 

 Foss., Niagara Gr. [Ety. proper 

 name.] 

 t(?inii-i:si;n)sif:, refer to Marsupiocrmus 



tennesseensis. 

 tentaailatus, refer to Marsupioorinus ten- 



taculatus. 

 vcxabihs, white, 1875, AVheeler's U. b. 



