ECHINODERMATA. 



285 



Pal., No. 2, Utica Slate Gr. [Sig. 



doubtful.] 

 Pal^easter exculptus, S. A. Miller, 1881, 



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



Hud. Riv. Gr. LSig. chiseled out.] 

 finei, Ulrich, 1879, Jour. Cin. Soc. Nat. 



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



proper name.] 

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



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



proper name.] 

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



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



Gr. [Sig. long armed.] 

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



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



Gr. [Ety. proper name.] 

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



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



[Sig. simple.] 

 • spinulosis, Miller & Dyer, 1878. Jour. 



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



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

 Pal^easterixa approximata, 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.] 

 Parisocrimts, Wachsmuth & Springer, 1879, 



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



resembling ; krinon, a lily.] A pro- 

 posed subgenus under Poteriocrinus. 

 Pextremites angularis, and P. robustus, 



are from the Kaskaskia Group, 

 bipyramidalis, P. clavatus, P. grosve- 



nori, 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, Hambach, 1880, Trans. St. 



Louis Acad. Sci., vol. 4, Kaskaskia 



Gr. [Sig. relating to the base.] 

 broadheadi, 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, Kaskaskia 



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, Hambuch, 1880, Trans. St. Louis 



Acad. Sci., vol. 4, Burlington Gr. 



[Ety. proper name.] 

 -spinosus, Hambach, 1880, Trans. St. 



Louis Acad. Sci., vol. 4, Kaskaskia 



Gr. [Sig. spinous.] 

 sulcatus, is said by Hambach to be a 



syn. for P. laterniformis. The latter 

 was founded upon a cast. 

 Pereichocrinus, Austin, 1843, Ann. & Mag. 

 Nat. Hist., vol. 11. Not denned 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- 

 crinus. 

 Physetocrinus ornatus instead of Actino- 

 crinus ornatus. 



ventricosus instead of Actinocrinus ven- 

 tricosus. 



ventricosus var. cancellatus instead of 

 . Actinocrinus ventricosus var. cancel- 

 latus. 



ventricosus var. internodus instead of 

 Actinocrinus ventricosus var. inter- 

 nodus. 



reticulatus instead of Actinocrinus retic- 

 ulatus. 

 Pisocrksus, DeKoninck, 1S58, Bull. Acad. 

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

 pisos, a pea; krinon, a lily.] 



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

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

 Gr. [Sig. bud shaped.] 

 Platycrines bloomfleldensis, 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. proper name.] 



leai was described in 1869, Trans. Am. 

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



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

 111. 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. 

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

 having granules.] 



parvus, refer to Cordylocrinus parvus. 



pleurovimineus, refer to Eucladocrinus 

 pleurovimineus . 



plumosus, refer to Cordylocrinus plumo- 

 sus. 



poculum, S. A. Miller, 1881, Jour. Cin. 

 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.] 



ramulosus, refer to Cordylocrinus ramu- 

 losus. 



siluricus, Hall, 1879, Desc New Spec. 

 Foss., Niagara Gr. [Ety. proper 

 name.] 



tennesseensis, refer to Marsupiocrinus 

 tenne6seensis. 



tentaculatus, refer to Marsupiocrinus ten- 

 taculatus. 



vexabilis, white, 1875, Wheeler's U. S. 



