640 



FOSSIL VERTEBRATA OF NORTH AMERICA. 



[BULL. 179. 



TRIPLOPUS Cope. Type T. cubitalis Cope. 



Cope, E. D, 1880 I. 



1880 M. 



1881 G, p. 382. 

 1884 O, p. 678. 

 1890 C, p. 472. 



Nicholson and Lydekker 1889 A, pp. 1355, 1356. 



( Frothy racodon.) 

 Osborn, H. F. 1890 D, p. 524. 

 Schlosser, M. 1886 B, p. 23. 

 Scott, W. B. 1883 A, p. 53. 

 Scott and Osborn 1883 A, p. 12. 



1887 A, p. 260. (Prothyracodon, type P. in- 



termedium=T. obliquidens.) 

 Zittel, K. A. 1893 B, p. 285. 



Triplopus amarorum Cope. 

 Cope, E. D. 1881 G, p. 389. 



1884 0, pp. 660, 687, pi. Iv, figs. 6-9; pi. Iviii, fig. 2. 

 Matthew, W. D. 1899 A, p. 46. 

 Osborn, H. F. 1897 A, p. 57. 

 Roger, O. 1896 A, p. 185. 

 Trouessart, E. L. 1898 A, p. 745. 

 Eocene (Bridger); Wyoming. 



Triplopus cubitalis Cope. 

 Cope, E. D. 1880 I. 



1881 G, p. 383. 



1884 O, p. 687, pis. Ivo, figs. 10-12; pl.lvia. 



1887 N, p. 999, fig. 13. 

 Matthew, W. D. 1899 A, p. 46. 

 Osborn, H. F. 1890 D, p. 528. 

 Roger, 0. 18% A, p. 185. 

 Scott, W. B. 1896 B, p. 367. 

 Trouessart, E. L. 1898 A. p. 745. 

 Eocene (Bridger); Wyoming. 



Triplopus obliquidens (Scott and Osb. ) . 



Scott and Osborn 1887 A, p. 259. (Hyrachyus.) 



Matthew, W. D. 1899 A, p. 49. 



Osborn, H. F. 1890 D, p. 525, pi. xi, figs. 6-10. 



Roger, O. 1896 A, p. 185. 



Scott and Osborn 1887 A, p. 260. (Prothyracodon 



intermedium.) 

 Trouessart, E. L. 1898 A, p. 745. 



Eocene (Bridger); Wyoming: (Uinta); Utah. 



ANCHISODON Cope. Type A. quadriplicatus Cope. 



Cope, E. D. 1879 L, p. 270. 



1879 C, p. 233. 

 Scott, W. B. 1883 A, p. 50. 



Anchisodon quadriplicatus Cope. 



Cope, E. D. 1873 S, p. 1. (Hyracodon.) 

 Brandt, J. F. 1878 A, p. 32. ( Accra therium.) 

 Cope, E. D. 1873 CC, p. 14. (Hyracodon.) 



1874 B, p. 495. (Aceratherium.) 



1879 C, p. 234. 

 % 1879 L. 

 Mattiiew, W. D. 1899 A, p. 57. (Aceratherium.) 



Roger, B. 18% A, p. 185. 



Trouessart, E. L. 1898 A, p. 745 (Anchisodon); p. 

 749 (Aceratherium). 

 Oligocene (White River); Colorado. 



Anchisodon tubifer Cope. 

 Cope, E. D. 1879 L, p. 270. 



1879 C, p. 234. 

 Matthew, W. D. 1899 A, 

 Roger, 0. 1896 A, p. 185. 

 Trouessart, E. L. 1898 A, p. 745. 

 Miocene (John Day); Oregon. 



(Aceratherium.) 



HYRACODONTIN^E. 



Branco, W, 1897 A, p. 20. (Hyracodontidae.) 

 Osborn, H. F. 1898 I, p. 85. 

 Osborn and Wortman 1892 A, p. 93. 



Steinmann and Doderlein 1890 A, p. 772. 

 Trouessart, E. L. 1898 A, p. 744. 



HYRACODON Leidy. Type H. nebraskensis Leidy. 



Leidy, J. 1856 H, p. 91. 

 Brandt, J. F. 1878 A, p. 22. 

 Cope, E. D. 1879 C, p. 234. 



1879 V, pp. 771a, 77ld. 



1884 O, p. 691. 



1887 L, p. 925. 

 Dawkins, W. B. 1870 A. 

 Flower, W. H. 1876 C, p. 107. 

 Flower and Lydekker 1891 A, p. 412. 

 Gaudry, A. 1877 A. 

 Leidy, J. 1869 A, p. 232. 



1871 C, p. 356. 



Lydekker, R. 1886 A, p. 158. 

 Marsh, O. C. 1875 B, p. 244. 



1877 E. 



Nicholson and Lydekker 1889 A, p. 1356. 

 Osborn, H. F., in Scott and Osborn 1890 B, p. 



1890 D, p. 511. 

 Pavlow, M. 1892 A. 



Scott, W. B. 1896 B. 



1897 B. 



Scott and Osborn, 1883 A, pp. 10, 17. 

 Woodward, A. S. 1898 B, p. 334. 

 Wortman, J. L. 1893 A. 

 Zittel, K. A. 1893 B, p. 285. 



Hyracodon arcidens Cope 



Cope, E. D. 1873 S, p. 2. 

 Brandt, J. F. 1878 A, p. 24. 

 Cope, E. D. 1873 CC, p. 14. 



1874 B, p. 493. 



1879 C, p. 234. 



Matthew, W, D. 1899 A, p. 57. 

 Roger, O. 1896 A, p. 186. 

 Scott and Osborn 1887 B, p. 171. 

 Trouessart, E. L. 1898 A, p. 746. 



Oligocene (White River) ; Colorado. 



