ECHINODERMATA. 



longidactylus, Shumard, 1855. This name 



was preoccupied, and the species is 



now named P. missouriensis. 

 macoupinensis, Worthen, 1873, Geo. Sur. 



111., vol. 5, Up. Coal Meas. [Ety. 



proper name.] 

 manifbrmis, see Zeacrinus maniformis. 

 meekianus, Shumard, 1855, Geo. Rep. 



Mo., Encrinital limestone. [Ety. 



proper name.] 

 missouriensis, Shumard, 185 7, Trans. 



St. Louis Acad. Sci., St. Louis Gr. 



[Ety. proper name.] 

 montanaensis, Meek, 1872, Hayden's 



Geo. Rep., Low. Carb. [Ety. proper 



name.] 

 municipalis, Troost. Not defined, 

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



Ham. Gr. [Sig. a wicker basket with 



a narrow neck.] 

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



Ham. Gr. [Ety. mythological name.] 

 norwoodi, Meek & Worthen, 1865, Proc. 



Acad. Nat. Sci. Phil., Kaskaskia Gr. 



[Ety. proper name.] 

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



Ham. Gr. [Ety. mythological name.] 

 obuncus, White, 1862, Proc. Bost. Soc. 



Nat. Hist., vol. 9, Burlington Gr. 



[Sig. bent in, hooked.] 

 occhdentalis, see Agassizocrinus occiden- 



talis. 

 perplexus, Meek & Worthen, 1869, Proc. 



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



[Sig. intricate.] 

 pisiformis, Roemer, 1860, Sil. Fauna 



West Tenn., Niagara Gr. [Sig. pea- 

 shaped.] 

 pleias, Hall, 1863, Crin.Wav. Sands. Ohio; 



Waverly Gr. [Ety. Pleias, one of the 



seven stars, a Pleiad.] 

 posticus, Hall, 1866, Pamphlet, Cin'ti Gr. 



[Sig. posterior, the back part.] 

 proboscidialis, Worthen, 1875, Geo. Sur. 



111., vol. 6, St. Louis Gr. [Sig. having 



a proboscis.] 

 rhombiferus, Owen & Shumard, 1852, 



Geo. Sur. Wis., Iowa & Minn., Bur- 

 lington Gr. [Sig. bearing rhombs.] 

 rugosus, Shumard, 1858, Trans. St. Louis 



Acad. Sci., Coal Meas. [Sig. wrinkled.] 

 salignoides, White, 1862, Proc. Bost, Soc. 



Nat. Hist., vol. 9, Burlington Gr. [Sig. 



like willow-work.] 

 simplex, Lyon, 1860, Trans. Am. Phil. 



Soc. vol. 13, Devonian. [Sig. simple.] 

 solidus, Meek & Worthen, 1861, Proc. 



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



[Sig. solid, compact.] 

 spinosus, see Zeacrinus spinosus. 

 subimpressus, Meek & Worthen, 1861, 



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

 ton Gr. [Sig. slightly indented.] 

 subtumidus, Meek & Worthen, 1865, 



Proc. Acad. Nat. Sci., Phil., Kaskaskia 



Gr. [Sig." somewhat swollen or tumid.] 



swallovi, Meek & Worthen, 1860, Proc. 



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



[Ety. proper name.] 

 tenuibrachiatus, Meek & Worthen, 1861, 



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

 ton Gr. [Sig. slender-armed.] 

 ienuidactylus, see Scaphiocrinus tenuidac- 



tylus. 

 tumidus, see Agassizocrinus tumidus. 

 vanhornei, Worthen, 1875, Geo. Sur. 111., 



vol. 6, St. Louis Gr. [Ety. proper 



name.] 

 ventricosus, see Cceliocrinus ventricosus. 

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



Y., Ham. Gr. [Sig. whorled, verti- 



cillate.] 

 wachsmuthi, see Scaphiocrinus wachs- 



muthi. 

 Protaster, Forbes, 1849, Mem. Geo. Sur. 



Great Britain, Decade 1. [Ety. protos, 



first; aster, star.] 

 barrisi, see Onychaster barrisi. 

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



Low. Held. Gr. [Ety. proper name.] 

 granuliferus, Meek, 1872, Am. Jour. Sci., 



3rd ser., vol. 3, Cin'ti Gr. [Sig. bear- 

 ing granules.] 

 gregarius, Meek & Worthen, 1869, Proc. 



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



[Sig. found in flocks.] 

 Pterotocrinus, Lyon & Casseday, 1860, Am. 



Jour. Sci., vol. 29. [Ety. pterotos, 



feathered ; krinon, a lily.] 

 capitalis, Lyon, 1857, (Astrocrinus capi- 



talis) Geo. Sur. Ky., vol. 3, Chester 



Gr. [Sig. relating to the head.] 

 chesterensis, Meek & Worthen, I860, (Ac- 



tinocrinus chesterensis) Proc. Acad. 



Nat. Sci. Phil., Chester Gr. [Ety. 



proper name.] 

 cornigerus, Shumard, 1857, (Dichocrinus 



cornigerus) Trans. St. Louis, Acad. Sci. 



Kaskaskia Gr. [Sig. horned.] 

 coronarius, Lyon, 1857, (Asterocrinus cor- 



onarius) Geo. Sur. Ky., vol. 3, Chester 



Gr. [Sig. wreathed, crowned.] 

 crassus, Meek & Worthen, 1860, (Dicho- 

 crinus crassus) Proc. Acad. Nat. Sci. 



Phil., Chester Gr. [Sig. thick.] 

 depressus, Lyon & Casseday, 1860, Am. 



Jour. Sci., vol. 29, Chester Gr. [Sig. 



depressed.] 

 pyramidalis, Lyon & Casseday, 1860, Am. 



Jour. Sci., vol. 29, Kaskaskia Gr. [Sig. 



pointed like a pyramid.] 

 rugosus, Lyon & Casseday, 1860, Am. 



Jour. Sci., vol. 29, Kaskaskia Gr. [Sig. 



wrinkled.] 

 sexlobatus, Shumard, 1857, (Dichocrinus 



sexlobatus) Trans. St. Louis Acad. 



Sci., Kaskaskia, Gr. [Sig. six-lobed.] 

 Ptilonaster, Hall, 1868, syn. for Palseocoma. 



princeps, see Palseocoma princeps. 

 Pygorhynchus, Agassiz, 1839. [Ety. pygos, 



solid ; rhynchos, beak.] 

 gouldi, Bonve, 1846, Proc. Bost. Soc. Nat. 



Hist., Kaskaskia (?) Gr. [Ety. proper 



name.] 



