620 



FOSSIL VEKTEBKATA OF NORTH AMERICA. 



[BULL. 179. 



Hipparion eurystylum (Cope). 

 Cope, E. D. 1893 A, pp. 43, 66, pi. xii, figs 7, 8; pi. 

 xx, fig. 6. (Equus.) 



1899 A, p. 255. (Equus.) 

 Gidley, J. W., 1901, Bull. Amer. Mus. Nat. Hist., 



xiv, p. 125. (Hipparion.) 

 Matthew, W. D. 1899 A, p. 75. (Equus.) 

 Trouessart, E. L. 1898 A, p. 791. (Equus.) 

 Pliocene (Goodnight?); Texas. 



Hipparion gratum Leidy. 



Leidy, J. 1869 A, pp. 287, 326, 402, pi. xviii, figs. 25, 

 30. (Hipparion.) 



Cope, E. D. 1889 B, p. 445, figs. 16, 17. (Hippothe- 

 rium.) 



1892 H, p. 325. (Hippotherium.) 



1892 W, p. 942. (Hippotherium.) 



1893 A, pp. 21, 26. (Syn. of Protohippus 

 placidus.) 



Leidy, J. 1871 C, p. 361. (Hipparion.) 



1885 A, p. 33, figure. (Hippotherium ingen- 

 uum.) 



1887 A, p. 309. (Hippotherium.) 



1889 B. (Hippotherium ingenuum.) 



1889 E, p. 20, pi. iii, figs. 2-4; text figure. 



(Hippotherium ingenuum.) 

 1892 A. (Hippotherium ingenuum.) 

 Leidy and Lucas 1896 A, p. 49, pi. xviii, figs. 15, 16; 



pi. xix, figs. 9, 10. (Hippotherium.) 

 Lydekker, R. 1882 A, p. 70. (Hippotherium.) 

 Matthew, W. D. 1899 A, p. 69. (Syn. of Protohip- 

 pus placidus.) 



Roger, 0. 1896 A, p. 176. (Hipparion ingenuum.) 

 Trouessart, E. L. 1898 A, p. 785. (Syn. of Protohip- 

 pus placidus.) 

 Miocene (Loup Fork); Nebraska, Kansas. 



Hipparion isonesum (Cope). 



Cope, E. D. 1889 B, p. 451, fig. 23. (Hippotherium.) 



1886 B, p. 359. (Hippotherium seversum, in 

 part.) 



Matthew, W. D. 1899 A, p. 70. (Hipparion.) 

 Trouessart, E. L. 1898 A, p. 789. [Hipparion (Sty- 



lonus).] 

 Miocene (Ticholeptus); Montana, Oregon, 



Colorado. 



Ilippai'ion. minimum (Douglass). 

 Douglass, E. 1900 A, p. 26. 

 Miocene; Montana. 



Hipparion montezumae (Leidy). 

 Leidy, J., 1882, Proc. Acad. Nat. Sci. Phila., p. 291. 



(Hippotherium.) 



Cope, E. D. 1889 B, p. 435. (Hippotherium.) 

 Leidy, J. 1889 E, p. 21, pi. v, figs. 5-7, 10. (Hippo- 

 therium.) 



Matthew, W. D. 1899 A, p. 70. (Hipparion.) 

 Roger, 0. 1896 A, p. 176. (Hipparion.) 

 Trouessart. E. L. 1898 A, p. 787. (Hipparion mon- 

 tezumai. ) 

 Miocene (Loup Fork); Mexico. 



Hipparion occidentale Leidy. 

 Leidy, J. 1856 D, p. 59. (Hipparion.) 

 Cope, E. D. 1886 B, p. 359. (Hippotherium.) 

 (Hippotherium.) 



Cope, E. D. 1892 AA. (Hippotherium.) 



1893 A, p. 36. (Hippotherium.) 

 Hayden, F. V. 1858 B, p. 158. 

 Leidy, J. 1856 B, p. 422. (Hipparion.) 



1858 E, p. 27. (Hipparion.) 



1869 A, pp. 281, 326, 401, pi. xviii, figs. 1-5; 

 pi. xxvii, fig. 2. 



1871 C, p. 361. (Hipparion.) 

 Lydekker, R. 1882 A, p. 70. (Hippotherium.) 

 Matthew, W. D. 1899 A, p. 70. (Hipparion.) 

 Roger, O. 1896 A, p. 176. (Hipparion.) 

 Trouessart, E. L. 1898 A, p. 787. (Hipparion occi- 

 dentale, in part.) 



Wortman, J. L. 1883 A, p. 712. (Hippotherium.) 

 Miocene (Loup Fork); South Dakota, Texas. 



Hipparion paniense (Cope). 



Cope, E. J). 1874 P, p. 12. (Hippotherium.) 

 1874 B, p. 522. (Hippotherium.) 

 1889 B, p. 447, figs. 13, 14. (Hippotherium.) 

 Lydekker, R. 1882 A, p. 70. (Hippotherium.) 

 Matthew, W. D. 1899 A, p. 70. (Hipparion.) 

 Roger, O. 18% A, p. 176. (Hipparion.) 

 Trouessart, E. L. 1898 A, p. 788. (Hipparion.) 

 Miocene (Loup Fork); Colorado. 



Hipparion peninsulatum (Cope). 

 Cope, E. D. 1885 S, pi. xxxvii, fig. 5. (Hippothe- 

 rium; no description. ) 



1886 W, p. 150, fig. 1. (Hippotherium.) 

 1889 B, p. 436, fig. 4. (Hippotherium.) 

 Matthew, W. D. 1899 A, p. 70. (Hipparion.) 

 Roger, O. 1896 A, p. 176. (Hipparion.) 

 Trouessart, E. L. 1898 A, p. 787. (Hipparion.) 

 Miocene (Loup Fork); Mexico. 



Hipparion plicatile ( Leidy) . 

 Leidy, J. 1887 A, p. 309, figure. (Hippotherium.) 

 Cope, E. D. 1889 B, p. 444, fig. 6. (Hippotherium.) 

 Leidy, J. 1889 B. (Hippotherium.) 



1889 E, p. 20. (Hippotherium.) 



1892 A A. (Hippotherium.) 

 Leidy and Lucas 1896 A, p. 50, pi. xviii, figs. 11-14; 



pi. xix, figs. 1-8. (Hippotherium.) 

 Roger, 0, 1896 A, p. 176. (Hipparion.) 

 Trouessart, E. L. 1898 A, p. 787. (Hipparion.) 

 Miocene; Florida. 



Hipparion rectidens (Cope). 

 Cope, E. D. 1886 B, p. 360. (Hippotherium.) 

 1889 B, pp. 435, 458. (Hippotherium.) 

 Roger, O. 1896 A, p. 176. (Hipparion.) 

 Trouessart, E. L. 1898 A, p. 787. (Hipparion.) 

 Miocene (Loup Fork); Mexico. 



Hipparion relictum (Cope). 



Cope, E. D. 1889 K, p. 254. (Hippotherium.) 



1889 B, p. 449, figs. 19, 20. (Hippotherium.) 

 Matthew, W. D. 1899 A, p. 70. (Hipparion.) 

 Roger, O. 1896 A, p. 176. (Hipparion.) 

 Trouessart, E. L. 1898 A, p. 788. (Hipparion.) 

 Pliocene (Blanco); Oregon. 



Hipparion retrusum (Cope) . 

 Cope, E. D. 1889 B, p. 446, figs. 7,8. (Hippothe- 

 rium.) 



Trouessart, E. L. 1898 A, p. 788. (Hipparion.) 

 Miocene (Loup Fork); Kansas. 



