POT.] 



ECHINODERMATA. 



275 



norwoodi, Meek & Worthen, 1865, Proc. 



Acad.Nat.Sci.Phil.,p.l59,KaBkaskiaGr. 

 nycteus, Hall, 1862, 15th Kep. N. Y. St. 



Mns. Nat. Hist., p. 120, Ham. Gr. 

 obnnrus White, 1862, Proc. Bost. Soc. 



Nat. Hist., p. 10, Burlington Gr. 

 occidentalis, Owen & fhumard, see Agas- 



sizocrinus occidentalis. 

 occidentalis, Worthen, see Scaphiocrinus 



occidentalis. 



ok'iwensis, see Scaphiocrinus okawensis. 

 westes, see Scaphiocrinus orestes. 

 otterensis, Worthen, 1882, Bull. No. 1, 



III. St. Mu<. Nat. Hist., p. 14, and Geo. 



Sur. 111., vol. 7, p. 283, Keokuk Gr. 

 pecnliaris, Worthen, 1882, Bull. No. 1, 



111. St. Mas. Nat. Hist,, p. 25, and Geo. 



Sur. 111., vol. 7, p. 298, Kaskaskia Gr. 

 penicilliformis, Worthen, 1882, Bull. No. 1, 



111. St. Mus. Nat. Hist., p. 9, and Geo. 



Sur. 111., vol. 7, p. 276, Keokuk Gr. 

 perplexus, Meek & Worthen, 1869, Proc. 



Acad. Nat. Sci. Phil., p. 138, and Geo. 



Sur. III., vol. 5, p. 405, Burlington Gr. 

 pisif rmi*, see Arachnocrinus piciiormis. 

 pleias, Hall, 1863, 17th Rep. N. Y. St. 



Mus. Nat. Hist., p. 57, and Ohio Pal., 



vol. 2, p. 173, Waverly Gr. 

 pO]>ensis, see Scaphiocrinus popensis. 

 poslicus, see Dendrocrinus p >sticus. 

 proboscidians, Worthen, 1875, Geo. Sur. 



111., vol. 6, p. 518, St. Louis Gr. 

 propinquns, see Scaphiocrinus propinquus. 

 rJwnibiterus, see Barycrinus rhombiferus. 

 richfieldensis, Worthen, 1882, Bull. No. 1, 



III. St. Mus. Nat, Hisr., p. 15, and Geo. 



Sur. 111., vol. 7, p. 285, Kinderhook Gr. 

 rowleyi, Worthen, (in press,) Geo. Sur. 



111., vol. 8, p. 90, Kaskaskia Gr. 

 rugosus Shumard, 1858, T ans. St. Louis 



Acad. Sci., vol. 1, p. 223, Coal Meas. 

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



Nat. Hist., vol. 9, p. 10, Burlington Gr. 

 salteri, see Scaphiocrinus salteri. 

 sculptus, Worthen, 1882, Bull. No. 1, 111. 



St. Mus. Nat. H ; st.. p. 21, and Gto. Sur. 



111., vol. 7, p. 292, Kaskaskia Gr. 



FIG. 406. Poteriocrinus subimpressus. 



similis, Worthen, 1882, Bull. No. 1, 111. St. 

 Mus. Nat. Hist., p. 23, and Gto. Sur. 

 111., vol. 7, p. 295, Keokuk Gr. 



simplex, Lyon, 1869, Trans. Am. Phil. 



Sue., vol. 13, p. 458, Up. Held. Gr. 

 solidus, Meek & Wortuen, 1861, Proc. 

 Acad. Nat. Sci. Phil., p. 140, Burling- 

 ton Gr. 



spinobrachiatus, Scaphiocrinus brachiatns. 



spinuliferus, Worthen, 1884, Bull. No. 2, 



III. St. Mus. Nat. Hist., p. 27, and Geo. 



Sur. 111., vol. 8, p. 86, Kaskaskia Gr. 



spinuUj'erus, Worthen, (in press,) see 



Zear.rinus spinuliferus. 

 spirwsus, see Zeacrinus spinosus. 

 sub mpres-u^, Meek & Wnrthen, 1861, 

 Prt c. Acad. Nat. Sci. Phil., p. 13. and 

 Geo. Sur. 111., vol. 3, p. 485, Burling- 

 ton Gr. 



subramulopus, Worthen, 1882, Bull. No. 1, 

 111. St. Mu*. Nat. Hist., p. 14, and Geo. 

 Sur. III., vol. 7, p. 284, Keokuk Gr. 

 subtuniidu", Meek & Worthen, 1865, Proc. 

 Acad. Nat. Sci. Phil., p. 159, Kas- 

 kaskia Gr. 



swallovi, Meek & Worthen, 1860, Proc. 

 Acad. Nat. Sci. Phil., p. 394, and 

 Geo. Sur. 111., vol. 2, p. 183, Burling- 

 ton Gr. 



talboti, Worthen, 1882, Bull. No. 1, 111. 

 St. Mus. Nat. Hist., p. 7, and Geo. Sur. 

 111., vol. 7, p. 287, St. Louis Gr. 

 tentaculatu*, Worthen, 1882, Bull. No. 1, 

 111. St. Mus. Nat. Hist., p. 10, and Geo. 

 Sur. 111., v..l. 7, p. 277, Keckuk Gr. 

 tenuibrachiatus, 

 Meek & Wor- 

 theii, 1861, Proc. 

 Acad. Nat. Sci. 

 Phil., p. 138. and 

 Geo. Sur. 111., 

 vi -1. 3, p. 484, 

 Burlington Gr. 

 tenwdactylus, Meek 

 & Worthen, se< 

 Scap biocrinus 

 tenuidactylus. 

 t en uid actylus, 

 W..rthen, 1882, 

 Bull. No. 1, 111. 

 St. Mus. Nat, Hist., p. 6, and Geo. Sur. 

 111., vol. 7, p. 271, Keokuk Gr. 

 Wachemuth says this is a Scaphiocri- 

 nus, and he has proposed to call it 

 Sciphiocrinus obscu^us. 



ulrichi, Worthen, (in preps,) 

 Geo. Sur. III., vol. 8, p. 87. 

 Keokuk Gr. 

 tumidus, see Agassizocrinus 



tumidus. 



validus, Worthen, 1882, Bull. 

 No. 1, 111. St. Mus. Nat. 

 Hist., p. 18, and Geo. Sur. 

 III., vol. 7, p. 287, War- 

 saw Gr. 



vanhornei, Worthen, 1875, 

 Geo. Sur. III., vol. 6, p. 

 517, St. Louis Gr. 

 var so lien six, s-ee Scaphiocrinus 



varsoviensis. 

 ventricosus, see Cceliocrinus ventricosus. 

 venustus, see Scaphiocrinus venustus. 



407. Poteriocrinus 

 tenuibrachiatus. Di- 

 agram. 



FIG. 408. Po- 

 t er i ocrmus 



ulrichi. jm 



