WITH LIST OF SPECIMENS. 
35 
Orophocrinus prselongus. Orophocrinus ( Pentremites ) prcelongus, 
W. H. Baily, Jan. 1886, Sci. Proc. R. Dublin Soc. (n. s.) v, p. 31, pi. i, 
ff. 1, 1 a (non ff. 2, 2 a, 2 b). 
Orophocrinus (Pentremites) prselongus, W. H. Baily, 1888 (op. 
cit. ult. ff. 2, 2 a, 2 b): v. Orophocrinus pentangularis. 
Orophocrinus puzos. Pentremites puzos , G. von Miinster, 1839, 
Beitrage zur Petrefaktenkunde, Heft i, p. 1, pi. i, ff. 5, a-cl. Pentatre- 
matites puzos (Miinster): C. P. Roemer, 1851, Arch. Naturges. xvii (i), 
p. 356. Orophocrinus puzos (Munster) : R. Etheridge fil. & P. H. 
Carpenter, 1882, Ann. Mag. Nat. Hist. (5) ix, p. 252 ; and 1886, Cat. 
Blastoidea Brit. Mus. p. 287. 
Orophocrinus? sirius. Pentremites sirius, C. A. White, 1862, Proc. 
Boston Soc. Nat. Hist, ix (2), p. 20, f. 3 ; and 1863, Boston Journ. Nat. 
Hist, vii, p. 486. Orophocrinus ? ? sirius (White): R. Etheridge fil. & 
P. H. Carpenter, 1886, Cat. Blastoidea Brit. Mus. p. 287, footnote. 
Orophocrinus stelliformis. Pentremites stelliformis, D. D. Owen &B. 
E. Shumard, 1850, Journ. Acad. Nat. Sci. Philadelphia, (n. s.) ii, p. 67, 
pi. vii, ff. 16 a, b. Orophocrinus stellceformis (Owen & Shumard) : K. von 
Seebach, March 1864, Nachr. Ges. Wiss. Gottingen, 1864, p. 10. Codaster 
stelliformis (Owen & Shumard): B. E. Shumard, 1866, Trans. Acad. Sci. 
St. Louis, ii, p. 359. Coclonites stelliformis (Owen & Shumard): E. B. 
Meek & A. H. Worthen, 1869, Proc. Acad. Nat. Sci. Philadelphia, 
1869, p. 84, footnote. Orophocrinus stelliformis (Owen & Shumard) : 
R. Etheridge fil. & P. H. Carpenter, 1882, Ann. Mag. Nat. Hist. (5) 
ix, p. 252; and 1886, Cat. Blastoidea Brit. Mus. p. 287. 
Orophocrinus stelliformis (Owen & Shumard): R. Etheridge fil. & 
P. H. Carpenter, 1886, Cat. Blastoidea Brit. Mus. pp. 91, 287, 
pi. xvii, f. 12. Lower Carboniferous, Lower Burlington Limestone : 
Burlington, Iowa, U.S.A. [E. 1055.] Two micro-sections and the 
two halves of the theca from which they were cut. 
-. Lower Carboniferous, Lower Burlington Limestone : Burlington, 
Iowa, IJ.S.A. 
[E. 840.] C. Wachsmuth Coll. Eive thecas, 2 ground on the top, 
and 3 fragmentary. 
[E. 841.] L. Saemann Coll. Two good thecas. 
[E. 8172.] T. A. Worthen Coll, ex C. Wachsmuth Coll. One 
rather small theca, and one larger in matrix. 
Orophocrinus stelliformis^ var. camp anulatus . Codonites cam- 
panulatus, G. Hambach, 1884, Trans. Acad. Sci. St. Louis, iv, p. 553, 
pi. D, ff. 8, 9. Orophocrinus stelliformis , var. campanulatus (Hambach): 
R. Etheridge fil. & P. H. Carpenter. 1886, Cat. Blastoidea Brit. Mus. 
p. 289. 
Orophocrinus stelliformis, var. campanulatus (Hambach): R. Etheridge 
fil. & P. H. Carpenter, 1886, Cat. Blastoidea Brit. Mus. pp. 20, 289, 
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