

ECHINODERMATA. 



parviusculus, Billings, 1860, Can. Nat. & 



Geo., vol. 5, Mid. Sil. [Sig. very 



small.] 

 niagarensis. Hall, 1852, Pal. N. Y., vol. 2, 



Niagara Gr. [Ety. proper name.] 

 pulchellus, see Stenaster pulchellus. 

 shafferi, Hall, 1868, 20th Reg. Rep., Cin'ti 



Gr. [Ety. proper name.] 

 wilberianus, Sleek & Worthen, 1861, 



(Petraster wilberianus) Proc. Acad. 



Nat. Sci. Phil., Cin'ti Gr. [Ety. 



proper name.] 

 PALiEASTERiNA, McCov, 1851, Brit. Pal. Foss., 



but first defined by Salter, 1857, Ann. 



Mag. Nat. Hist. [Ety. palaios, ancient ; 



aster, a star; inus, resemblance.] 

 fimbriata, see Scha3naster fimbriatus. 

 jamesi, see Pala^aster jamesi. 

 rigida, see Petraster rigidus. 

 rugosa, Billings, 1857, Rep. of Progr., 



Hud. Riv. Gr. [Sig. rugose.] 

 stellata, Billings, 1857, Rep. of Prog., 



Trenton Gr. [Sig. star-shaped.] 

 PALiECHiNus, McCoy, 1844, Carb. Foss., 



Ireland. [Ety. palaios, ancient; 



echinus, the sea urchin.] 

 burlingtonensis. Meek & Worthen, 1860, 



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



Gr. [Ety. proper name.] 

 gracilis. Meek & Worthen, 1869, Proc. 



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



[Sig. slender.] 

 Pal^ocoma, Salter, 1857, Ann. & Mag. Nat. 



Hist., 2d series, vol. 17. [Ety. palaios, 



ancient ; coma, hair.] 

 cylindnca, see Treniaster cylindricus. 

 princeps. Hall, 1868, (Ptilonaster prin- 



ceps) 20th Reg. Rep. Chemung Gr. 



[Sig. early, ancient.] 

 spinosa, see Tseniaster spinosus. 

 Pal^ocrinus, Billings, 1859, Decade 4. [Ety. 



palaios, ancient; krinon, a lily.] 

 angulatus, Billings, 1857, (Dendrocrinus 



angulatus) Rep. of Progr., Trenton 



Gr. [Sig. cornered, angular.] 

 pulchellus, Billings, 1859, Can. Org. Rem., 



Decade 4, Trenton Gr. [Sig. minutely 



pretty.] 

 rhorabiferous, Billings, 1859, Can. Org. 



Rem., Decade 4, Trenton Gr. [Sig. 



bearing rhombs.] 

 striatus, Billings, 1859, Can. Org. Rem., 



Decade 4., Chazy Gr. [Sig. striated.] 

 mlcatus, Safford, 1869, Geo. of Tenn. Not 



defined. 

 Pal^ocystites, Billings, 1858, Can. Org. 



Reiii., Decade 3. [Ety. palaios, 



ancient ; histis, a bladder. ] 

 chapmani, Billings, 1858, Can. Org. Rem., 



Decade 3, Chazy Gr. [Ety. proper 



name.] 

 dawsoni, Billings, 1858, Can. Org. Rem., 



Decade 3, Chazy Gr. [Ety. proper 



name.] 

 pulcher, Billings, 1859, Can. Nat. Geo., 



vol. 4, Chazy Gr. [Sig. beautiful.] 



tenuiradiatus. Hall, 1847, (Actinocrinus 



tenuiradiatus) Pal. N. Y., vol. 1, Chazy 



Gr. [Sig. slender-rayed.] 

 Pentacrinih's hamptoni, Emmons, 1842, Geo. 



Rep. N. Y., Trenton Gr. This is 



merely the plate of a crinoid column. 

 PerUagonites, proposed by Rafinesque for a 



crinoid column. 

 Pentremites, Say, 1820, Am. Jour. Sci., vol. 



2. [Ety. pentc, five ; remos, a board or 



plate.] 

 angularis, Lyon, 1860, Trans. St. Louis 



Acad. Sci., Low. Carb. [Sig. angular.] 

 bipyramidalis. Hall, 1858, Geo. Rep. Iowa, 



Keokuk Gr. [Sig. doubly-pyramidal.] 

 burlingtonensis, Meek & Worthen, 1869, 



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



Gr. [Etv. proper name.] 

 calyce, Hali; 1862, 15th Reg. Rep. N. Y., 



Ham. Gr. [Sig. a cup.] 

 calycinus, Lyon, 1860, Trans. St. Louis 



Acad. Sci., KaskaskiaGr. [Sig. a small 



cup.] 

 cervinus. Hall, 1858, Geo. Rep. Iowa, 



Kaskaskia Gr. [Sig. deer-like.] 

 cherokeus, Troost, 1850, Catal. Proc. Am. 



Assoc. Ad. Sci., Kaskaskia Gr. [Ety. 



proper name.] 

 conoideus. Hall, 1856, Trans. Alb. Inst., 



vol. 4, Warsaw Gr. [Sig. shaped like 



a cone.] 

 cornutus, see Granatocrinus cornutus. 

 curtus, see Granatocrinus curtus. 

 decussatus, Shumard, 1858, Trans. St. 



Louis Acad. Sci., Low. Carb. [Sig. 



cross marked — arranged in pairs that 



alternately cross each other.] 

 elegans, Lyon, 1860, Trans. St. Louis 



Acad. Sci., Kaskaskia Gr. [Sig. ele- 

 gant.] 

 elongatus, Shumard, 1855, Geo. Rep. Mo., 



Encrinital limestone. [Sig. length- 

 ened.] 

 florealis, Schlotheim, 1820, syn. for P. 



godoni. 

 globosus. Say, as identified by Troost, 1850, 



probably Pentremites sulcatus. 

 godoni, DeFrance, 1818, Diet. Sci. Nat., 



Kaskaskia Gr. [Ety. proper name.] 

 granulatus, see Granatocrinus granulatus. 

 grosvenori, Shumard, 1858, Trans. St. 



Louis Acad. Sci., Warsaw Gr. [Ety. 



proper name.] 

 koninckianus, Hall, 1856,Trans. Alb. Inst., 



vol. 4, Warsaw Gr. [Ety. proper 



name.] 

 laterniformis, Owen & Shumard, 1850, 



Jour. Acad. Nat. Sci., 2d series, vol. 2, 



Chester Gr. [Sig. lantern-formed.] 

 leda, Hall, 1862, 15th Reg. Rep. N. Y., 



Ham. Gr. [Ety. mythological name.] 

 lineatus, Shumard*, 1858, Trans. St. I^uis 



Acad. Sci., Burlington Gr. [Sig. 



marked with lines.] 

 longicostalis, Hall, 1860, Supp. to Geo. 



Iowa, Warsaw Gr. [Sig. long-ribbed.] 

 lycorias. Hall, 1862, 15th Reg. Rep. N. Y., 



Ham. Gr. [Ety. mythological name.] 



