20 
THE SPECIES OP BLASTOIDEA 
[Metablastns varsonviensis, continued.]' 
pi. xxxi, ff. 8, 9. Metciblastus varsouviensis (Worthen): B. Etheridge 
fil. & P. H. Carpenter, 1886, Cat. Blastoidea Brit. Mus. p. 198. Syn. 
of Metablastus wortheni (Hall) : C. B. Keyes, 1894, Bep. Geol. Surv. 
Missouri, iy, p. 137. 
-. Lower Carboniferous, Warsaw beds : Monroe Co., Illinois, TJ.S.A. 
[E. 8168.] T. A. Worthen Coll. A good theca. 
Metablastns wachsmnthi. Troostocrinus wachsmuthi , W. E. E. 
Gurley, 25 Eeb. 1884, Hew Carb. Eoss., Bull. Ho. 2, p. 1 [Danville, Ill.]. 
Metablastus ivachsmuthi (Gurley) : B. Etheridge fil. & P. H. Carpenter, 
1886, Cat. Blastoidea Brit. Mus. p. 198. 
Metablastns wortheni, Pentremites wortheni , J. Hall, 1858, Bep. 
Geol. Surv. Iowa, i (2), p. 606, pi. xv, f. 1. Troostocrinus wortheni 
(Hall): B. E. Shumard, 1866, Trans. Acad. Sci. St. Louis, ii, p. 384, 
footnote. Metablastus wortheni (Hall): B. Etheridge fil. & P. H. 
Carpenter, 1886, Cat. Blastoidea Brit. Mus. p. 198. 
-. Lower Carboniferous, Keokuk Group : Keokuk, Iowa, L.S.A. 
[E. 8169.] T. A. Worthen Coll. Three crushed thecas of various 
sizes. 
Metablastns sp. B. Etheridge fil. & P. H. Carpenter, 1886 : v. 
Tricoelocrinns ? leei. 
MITRA, G. Cumberland, 1826, Beliquiae Conservatae, p. 31. Type- 
species— M. vera. (Preoccupied by G. Humphrey, 1797, for a Gas¬ 
tropod) : v. Orophocrinns. 
Mitra depressa, G. Cumberland, 1826 : v. Orophocrinns pent- 
angnlaris. 
Mitra elliptica, G. Cumberland, 1826: v. Acentrotremites ellip- 
ticns. 
Mitra elongata, G. Cumberland, 1826 : v. Mesoblastns elongatns. 
Mitra hibernica, G. Cumberland, 1826, Beliquiae Conservatae, p. 34, 
pi. B (not A), ff. 1-4 (bottom group). Granatocrinus [= Orbitremites] ? 
sp. ?, B. Etheridge fil. & P. H. Carpenter, 1886, Cat. Blastoidea Brit. 
Mus. p. 243. 
Mitra hnmerostellata, G. Cumberland, 1826, Beliquiae Conservatae, 
p. 35, pi. A (not B), ff. 1-3(third row). Granatocrinus [= Orbitremites ] ? 
sp. ?, B. Etheridge fil. & P. H. Carpenter, 1886, Cat. Blastoidea Brit. 
Mus. p. 243. 
Mitra rngoso ? qninqne perforata? G. Cumberland, 1826 : v. Pen¬ 
tremites godcni. 
Mitra vera, G. Cumberland, 1826 : v. Orophocrinns verns* 
