32 
THE SPECIES OF BLASTOIDEA 
[Orbitremites orbicularis, continued.] 
Granatocrinus orbicularis (Sow.): R. Etheridge hi. & P. H. Carpenter, 
1886, Cat. Blastoidea Brit. Mus. pp. 92, 248, pi. xvii, f. 5. Lower 
Carboniferous, Carboniferous Limestone : Bolland, Lancashire. [E. 
1050.] Presented by J. Rofe. A micro-section, and the two halves 
of the theca from which it was cut. 
Granatocrinus orbicularis (Sow.) : R. Etheridge fil. & P. H. Carpenter, 
1886, Cat. Blastoidea Brit. Mus. pp. 107, 248, pi. ix, f. 15. Lower 
Carboniferous, Carboniferous Limestone : Yorkshire, England. [E. 
8044.] Presented by J. Rofe. A well-preserved theca. 
Granatocrinus orbicularis (Sow.) : R. Etheridge fil. & P. H. Carpenter, 
1886, Cat. Blastoidea Brit. Mus. pp. 25, 107, 248, pi. ix, ff. 12, 14. 
Lower Carboniferous, Carboniferous Limestone : Yorkshire, England. 
[E. 8045.] Presented by J. Rofe. A fairly preserved theca. 
-. Lower Carboniferous, Carboniferous Limestone : Calamine 
mines near Whitwell in Bolland, Lancashire, England. [E. 798.] 
Gilbertson Coll., No. 78. Eour imperfect thecas. 
-. Lower Carboniferous, Carboniferous Limestone : England. 
[E. 799.] Presented by J. Rofe. Twelve thecas. 
Orbitremites piriformis. Granatocrinus pyriformis , R. R. Rowley 
& S. J. Hare, Aug. 1891, Kansas City Scientist, v, p. 118, pi. iii, 
ff. 15, 16. 
Orbitremites ? roemeri. Pentremites roemeri , B. E. Shumard, 1855, 
2nd Geol. Rep. Missouri, pt. ii, p. 186, pi. B, f. 2 a (non 2, b, c, cl , 
v. Schizoblastus 1 ? missouriensis). Granatocrinus roemeri (Shumard): B. E. 
Shumard, 1866, Trans. Acad. Sci. St. Louis, ii, p. 376. Granatocrinus ?? 
roemeri (Shumard): R. Etheridge fil. & P. H. Carpenter, 1886, Cat. 
Blastoidea Brit. Mus.p. 244. JSchizoblastus ? roemeri (Shumard) : C. R. 
Keyes, 1894, Rep. Geol. Surv. Missouri, iv, p. 137. 
Orbitremites spbseroidalis. Granatocrinus sphceroidalis , S. A. Miller 
& W. E. E. Gurley, Dec. 1893, Bull. Illinois Mus. iii, p. 65, pi. vi, 
ff. 31, 32, 33. 
Orbitremites ? waebsmutbi, Granatocrinus ? wachsmuthii, R. Ethe¬ 
ridge fil., 1892, in R. Etheridge & R. L. Jack, Geol. and Palaeont. 
Queensland, p. 211, pi. vii, f. 10. 
Orbitremites winslowi. Granatocrinus winslowi , S. A. Miller & W. 
E. E. Gurley, Dec. 1893, Bull. Illinois Mus. iii, p. 66, pi. vi, ff. 34, 35. 
Orbitremites sp. Lower Carboniferous, Carboniferous Limestone, 
Yorkshire, England. [E. 8000.] Presented by J. Rofe. An imperfect 
theca. 
OROPHOCRINUS. Mitra , G. Cumberland, 1826, Reliquiae Conser- 
vatae, p. 31 (preocc. Humphrey, 1797, for a mollusc). Dimorphicrinus, 
A. D. d’Orbigny, 1849, Prodr. Pal. Strat. i, p. 155 (v. Dimorphi- 
crinns). Orophocrinus , K. von Seebach, 1864, Nachr. Ges. Wiss. 
