440 BULLETIN 92^ UNITED STATES NATIONAL MUSEUM. 



Dlmerocrinus lockportensis (Ringueberg). 



Glyptaster (Eucrimia) lockportensis Ringueberg, Annals New York Acad. Sci., 

 5, 1890, p. 304, pi. 3, fig. 4. 

 Niagaran (Lockport, Gasport member): Lockport, New York. 



Dlmerocrinus milliganae (Miller and Gurley). 



Glyptaster milliganae Miller and Gurley, Bull., Illinois State Mus. Nat. Hist., 10, 



1896, p. 87, pi. 5, figs. 7-9. 

 Niagaran (Brownsport): Decatvir County, Tennessee. 



Dlmerocrinus occidentalis (Hall). 



Glyptaster occidentalis Hall, Trans. Albany Inst., 4, 1863, p. 204 (abstract, p. 10) 

 20th Rep. New York State Cab. Nat. Hist., 1868 (extras, 1865), p. 326, pi. 10(1) 

 fig. 3; rev. ed., 1870, p. 369, pi. 10, fig. 3; 20th Rep. New York State Mus 

 Nat. Hist., doc. ed., 1877, pi. 13, figs. 7-11; Mus. ed., 1879, p. 133, pi. 13, figs 

 7-11. — Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelpliia, 1881, p 

 370 (Rev. Pal. pt. 2, p. 196).— Hall, 11th Rep. Indiana Dep. Geol. Nat 

 Hist., 1882, p. 262, pi. 12, figs. 7-11.— Whitfield, Geol. Wisconsin, 4, 1882, p 

 281, pi. 16, figs. 3, 4.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 191, fig.— 

 Miller, N. A. Geol. Pal., 1889, p. 247, fig. 312.— Wachsmuth and Springer, 

 Mem. Mus. Comp. Zool. Harvard, 20, 1897, p. 194, pi. 18, fig. 5a-c. 



Thysanocrinus occidentalis Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, 

 pt. 1, 1900, p. 73, pi. 1, figs. 6, 7.— Grabau and Shimer, N. A. Index Fossils, 

 2, 1910, p. 547. 



Glyptaster occidentalis var. crebescens Hall, 28th Rep. New York State Mus. 

 Nat. Hist., Mus. ed., 1879, p. 133; 11th Ann. Rep. Indiana Dep. Geol. Nat. 

 Hist., 1882, p. 263. 



Niagaran: Waldron and Hartsville, Indiana (Waldron): Racine, Wisconsin; 

 Bridgeport and Hawthorne, Illinois (Racine). 



Dlmerocrinus pentangularis (Hall). 



Glyptaster pentangularis Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, 



p. 326, pi. 10 (1), fig. 4 (extras, 1865); ibid., rev. ed., 1870, p. 369, pi. 10, fig. 4. 



Thysanocrinus pentangularis Weller, Bull. Chicago Acad. Sci. Nat. Hist. Sm-v., 



4, pt. 1, 1900, p. 70, pi. 1, figs. 8-11.— Grabau and Shimer, N. A. Index 



Fossils, 2, 1910, p. 547. 



Niagaran (Racine): Racine, Wisconsin; Bridgeport and Hawthorne, Illinois. 



Dlmerocrinus roemeri (Troost). 



Gilbertsocrinites roemeri Troost MS., 1850. 



Dimerocrinus roemeri (Troost) Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 101, pi. 



15, fig. 4. 

 Niagaran (Brownsport): Decatur and Perry Counties, Tennessee. 

 Holoiype— Cat. No. 39968, U.S.N.M. 



Dlmerocrinus waldronensis (Miller and Dyer). 



Cyathocrinus waldronensis Miller and Dyer, Cont. to Pal., 2, 1878, p. 6, pi. 4, 



fig. 9.— Miller and Gurley, Bull. Illinois State Mus. Nat. Hist., 1896, p. 49, 



pi. 3, figs. 19, 20.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 741, fig. 1330. 

 Dimerocrinus waldronensis Wachsmuth and Springer, Proc. Acad. Nat. Sci. 



Philadelphia, 1885, p. 323 (Rev. Pal., pt. 3, sec. 1, p. 101). 

 Macrostylocrinus waldronensis Wachsmuth and Springer, ibid., 1886, p. 149 



(Rev. Pal.,pt. 3, sec. 2, p. 225). 

 Niagaran (Waldron): Waldron, Indiana. 



