HAY.] 



CATALOGUE. 



609 



Cope, E. D. 1887 I. 



1887 N, p. 994 (Hyracotherium, Systemo- 

 don. 



1889 C. 



1892 S, p. 411. 



Earle, C. 1893 C p. 393. (Hyracotherium, Sys- 

 temodon. ) 



1896 A. 



Flower and Lydekker 1891 A, pp. 373, 374. (Hy- 

 racotherium, Systemodon.) 

 Kowalevsky, W. 1873 A, p. 205. 

 Landois, 1881 A, p. 127. 

 Leuthardt, F. 1891 A. (Hyracotherium.) 

 Lydekker, R. 1886 A, p. 10. 



1886 D, p. 326. 

 Marsh, O. C. 1877 E, p. 358. 



1879 D, p. 504. 



1892 C, p. 351. ( Eohippus, Hyracotherium. ) 



1898 E, p. 568. 

 Matthew, W. D. 1897 C, p. 309. 



1899 A, p. 33. 



Nicholson and Lydekker 1889 A, pp. 1356, 1380. 



(Hyracotherium, Systemodon.) 

 Owen, R. 1844 A, p. 226. 



1857 C, p. 65. 

 Osborn, H. F. 1890 A. 



1890 B, p. 274. 

 1890 D, p. 505. 



Osborn and Wortman 1892 A, pp. 83, 93 (Hyra- 

 cotherium); p. 124 (Systemodon). 

 Pavlow, M. 1887 A, p. 350. 



1888 A. (Eohippus, Systemodon,) 



1900 A, p. 46. 

 Riitimeyer, L. 1862 A, p. 577. 



1891 A, p. 45. 



Schlosser, M. 1886 A, pp. 252, 432. (Hyracothe- 

 rium, Systemodon.) 



1886 B. (Hyracotherium, Eohippus, Sys- 

 temodon.) 



1887 A. 

 Scott, W. B. 1886 B. 



1892 A, p. 430. (Systemodon.) 

 Steinmann and Doderlein 1890 A, p. 770. 

 Tomes, C. S. 1898 A, p. 412. (Hyracotherium.) 

 Trouessart, E. L. 1898 A, p. 770 (Hyracotherium); 



p. 771 (Eohippus, subgenus); p. 772 (Pliolo- 

 phus, subgenus). 

 Wilckens, M. 1885 B, p. 210. 

 Woodward, A. S. 1898 B, p. 323. 

 Wortman, J. L. 1882 B, vi, p. 68. 

 1883 A, p. 709. 

 1886 A, p. 477. (Hyracotherium, Eohippus.) 



1896 A. (Hyracotherium, Systemodon.) 

 Wortman and Earle, 1893 A. (Hyracotherium, 



Systemodon.) 

 Zittel, K. A. 1893 B, p. 239 (Hyracotherium); p. 



277 (Systemodon). 



Eohippus craspedotus (Cope). 

 Cape, E. D. 1880 N, p. 747. (Hyracotherium.) 



1881 D, p. 199. (Hyracotherium.) 



1882 E, p. 186. (Hyracotherium. ) 



1884 O, p. 631, pi. Iviii, figs. 1, 2. (Hyra- 

 cotherium.) 

 1887 I, p. 658. (Hyracotherium.) 



Bull. 17939 



Matthew, W. D. 1899 A, p. 36. (Hyracotherium.) 

 Roger, O. 1896 A, p. 169. (Hyracotherium.) 

 Trouessart, E. L. 1898 A, p. 771. [Hyracothe- 

 rium (Eohippus).] 



Wortman, J. L. 1896 A, p. 97, pi. ii, fig. M, text 

 fig. 7. (Hyracotherium.) 

 Eocene (Wind River); Wyoming. 



Eohippus cristatus (Wort.). 



Wortman, J. L. 1896 A, p. 96, pi. ii, fig. H; text 



fig. 6. (Hyracotherium.) 



Matthew, W. D. 1899 A, p. 33. (Hyracotherium.) 

 Trouessart, E. L. 1898 A, p. 771. [Hyracotherium 



(Eohippus).] 

 Eocene (Wasatch); Wyoming. 



Eohippus index (Cope). 



Cope, E. D. 1873 D, p. 4. (Orotherium.) 



Allen, H. 1886 B. (Hyracotherium cuspidatum, 



Pliolophus vintanus.) 

 Cope, E. D. 1873 U, p. 3. (Orotherium vasacciehse.) 



1874 B, p. 459. (Orotherium.) 



1875 C, p. 20 (Orohippus index); p. 18 

 (Orotherium vintanum); pp. 20, 21 (Oro- 

 hippus angustidens) ; p. 22 (O. cuspidatus) . 



1877 K, p. 262 (Orohippus index); p. 255, 

 pi. Ixv, figs. 1-12 (Orotherium vintanum); 

 pp. 262, 265, pi. Ixvi, figs. 1-6 (Hyracothe- 

 rium angustidens); pp. 262, 267, pi. Ixv, 

 fig. 18 (Hyracotherium cuspidatum); p. 

 264, pi. Ixvi, ngs. 7-11 (Hyracotherium 

 vasacciense). 



1880 N, p. 747. (Hyracotherium angusti- 

 dens, H. vasacciense.) 



1881 D, p. 198. (Hyracotherium angusti- 

 dens.) 



1882 E, p. 186 (Hyracotherium angustidens, 

 H. vasacciense, H. venticoium); pp. 179, 

 181, pi. xxv e, fig. 17, premolars (Phenaco- 

 dus laticuneus). 



1884 O, pp. 630, 650 (Hyracotherium index); 

 pp. 630, 648, pi. xlix a, fig. 16 (Hyraco- 

 therium angustidens); p. 631 (Hyracothe- 

 rium cuspidatum); pp. 630, 634 (Hyraco- 

 therium vasacciense, in part). 

 King, C. 1878 A, p. 377. (Eohippus angustidens, E. 



cuspidatus.) 



Lydekker, R. 1886 A, p. 12, fig. 3. (Hyracothe- 

 rium angustidens. ) 

 Matthew, W. D. 1899 A, p. 30, footnote; p. 33. 



(Hyracotherium). 



Pavlow, M. 1888 A, pi. i, fig. 10. (Hyracothe- 

 rium angustidens. ) 



Roger, O. 1896 A, p. 169 (Hyracotherium angusti- 

 dens); p. 171 (Epihippus cuspidatus). 

 Trouessart, E. L. 1898 A, p. 771 [Hyracotherium 



(Eohippus)]; p. 776 (Epihippus). 

 Wortman, J. L. 1896 A, p. 99, pi. ii, fig. L: text figs. 

 9, 10. (Hyracotherium.) 

 Eocene (Wasatch); New Mexico, Wyoming. 



Eohippus pernix Marsh. 

 Marsh, 0. C. 1876 H, p. 402. 

 King, C. 1878 A, p. 377. 

 Marsh. O. C. 1892 C, p. 349, figs. 14, 15. 

 Matthew, W. D. 1899 A, p. 33. (Syn. of Hyraco- 

 therium index. ) 



