50 
THE SPECIES OE BLASTOIDEA 
Pentremites obesus, S. S. Lyon, 1857, Rep. Geol. Surv. Kentucky, 
iii, p. 469, pi. ii, ff. 1,1 a-e. Pentremites obesus, Lyon : R. Etheridge fil. 
& P. H. Carpenter, 1886, Cat. Blastoidea Brit. Mus. p. 167. 
Pentremites obesus , S. S. Lyon: R. Etheridge fil. & P. H. Carpenter, 
1886, Cat. Blastoidea Brit. Mus. p. 167. Lower Carboniferous, 
Horizon unknown: TT.S.A. [E. 756.] A rather battered theca. 
-. Lower Carboniferous, Chester Group : Pope Co., Illinois, E.S.A. 
[E. 8140.] T. A. Worthen Coll. A slightly crushed theca. 
[E. 8141.] T. A. Worthen Coll. Theca devoid of basals and 
much crushed. 
Pentremites obliquatus (C. E. Roemer, 1851, as Pentatrematites ): 
E. Hujardin & H. Hupe, 1862 : v. Triccelocrinus obliquatus. 
Pentremites oblongus, “ Gilb.”: J. Phillips, 1836 : v. Mesoblastus 
elongatus. 
Pentremites occidentals, B. E. Shumard MS. (fide C. E. Roemer, 
1851): v. Triccelocrinus obliquatus. 
Pentremites orbicularis, “ Gilb.”: J. Phillips, 1836: v. Orbi- 
tremites orbicularis. 
Pentremites ©rbignyanus, L. G. de Koninck, 1842 : v. Oropho- 
criirns orbignyanus. 
Pentremites ? ovalis. Pentremites ovalis, G. A. Goldfuss, Petrefacta 
Germanise, 1826, i, p. 161, pi. 1, ff. 1 a-e. Pentatrematites ovalis , 
Goldfuss : C. E. Roemer, 1851, Arch. Haturges. xvii (i), p. 355. Pen - 
tremites ? ovalis, Goldfuss: R. Etheridge fil. & P. H. Carpenter, 1886, 
Cat. Blastoidea Brit. Mus. p. 156. 
Pentremites ovalis Say in Silliman Americ. Journ. ii. 36,” erroneous 
reference by C. E. Roemer, 1851, Arch. Haturges. xvii (i), p. 355. 
Pentremites ovalis, J. Phillips, 1841: v. Pentremitidea phillipsi. 
Pentremites ? ovalis. Pentremites ovalis , D. D. Owen, 1843, Catal. 
Geol. Specimens Ohio Valley, Ho. 251. 
Pentremites pailletti, P. E. P. de Verneuil, 1844: v. Pentremi¬ 
tidea paillettei. 
Pentremites pentagonalis, E. Eorbes, 1848, Mem. Geol. Surv. Gt. 
Brit. ii. (2), p. 259, f. a. Referred by C. E. Roemer, 1851, to Codaster 
acutus (q. v.). 
Pentremites pentagonalis, J. Morris^ 1854: v. Orophocrinus 
pentangularis. 
