656 



FOSSIL VERTEBKATA OF NORTH AMERICA. 



[BULL. 179. 



Zittel, K. A. 1893 B, p. 336, fig. 271. 



Oligocene (White River) ; South Dakota, Ne- 

 braska, Colorado. 



Elotherium ramosum Cope. 

 Cope, E. D. 1874 P, p. 27. 



1874 B, pp. 463, 504. (Pelonax.) 



1883 F, p. 217. 



1888 X, p. 1089. 

 Matthew, W. D. 1899 A, p. 59. 

 Osborn, H. F. 1896 C, pp. 713, 715, illus. 9. 



1898 Q, p. 16. 

 Roger, O. 1896 A, p. 204. 

 Trouessart, E. L. 1898 A, p. 809. 



Oligocene (White River) ; Colorado, North Da- 

 kota. 



Elotherium superbum Leidy. 



Leidy, J. 1868 B. 



Cope, E. D. 1874 B, p. 505. 



Dana, J. D. 1879 A, p. 233. 



King, C. 1878 A, p. 411. 



Leidy, J. 1869 A, p. 388. 



1871 C, p. 353. 

 Roger, 0. 1896 A, p. 204. 

 Trouessart, E. L. 1898 A, p. 809. 

 Whitney, J. D. 1879 A, p. 244. 

 Miocene; California. 



AMMODON Marsh. Type A. leidyanum Marsh. 



Marsh, 0. C. 1893 D, p. 409. 



Trouessart, E. L. 1898 A, p. 808. (Syn. of Elothe- 

 rium.) 



Ammodon bathrodon Marsh. 



Marsh, O. C. 1874 C, p. 534. (Elotherium.) 

 King, C. 1878 A, p. 411. (Elotherium. ) 

 Marsh, O. C. 1893 D, p. 410, pi. ix, fig. 4. 

 Matthew, W. D., 1899 A, p. 59. (Elotherium.) 

 Roger, 0. 18% A, p. 204. (Elotherium.) 

 Trouessart, E. L. 1898 A, p. 808. (Elotherium.) 

 Oligocene (White River); South Dakota?. 



Ammodon leidyanus Marsh. 



Marsh, 0. C. 1893 D, p. 409, pi. ix. 



Cope, E. D. 1869 N, p. 740. (Elotherium.) 



Leidy, J. 1869 A, p. 388. (Elotherium. ) 



Marsh, O. C. 1871 F, p. 10. (Elotherium; no de- 

 scription.) 



1874 C, p. 634. (Elotherium ; no description. ) 

 Roger, 0. 18% A, p. 204. (Elotherium.) 

 Oligocene (White River); Colorado?. 

 Trouessart, E. L. 1898 A, p. 808. (Elotherium.) 

 Miocene; New Jersey. 



Not any of the literature of this species previ- 

 ous to 1893 contains an adequate description. 



Ammodon potens Marsh. 



Marsh, 0. C. 1893 D, p. 410. 



1897 C, p. 527. 



Matthew, W. D. 1899 A, p. 59. (Elotherium.) 

 Roger, 0. 1896 A, p. 204. (Elotherium.)- 

 Trouessart, E. L. 1898 A, p. 808. (Elotherium.) 



HYOTHERIIN^E. 



Cope, E. D. 1894 E, p. 869. (Leptochceridse.) 

 Marsh, O. C. 1894 L, p. 273. (Leptochceridse.) 

 Roger, O. 18% A, p. 204. 



Trouessart, E. L. 1898 A, p. 810. 

 Zittel, K. A. 1893 B, p. 337. 



HYOTHERIUM Meyer. Type H. somereringii Meyer. 



Meyer, H. 1834 A, p. 43. 

 Bronn, H. G. 1838 A, p. 1222, pi. xlvi, fig. 7. 

 Cope and Wortman, 1884 A, p. 17. 

 Filhol, A. 1881 A. 



1891 A, p. 207. 

 Gaudry, A. 1878 B, p. 70. 

 Gervais, P. 1859 A, p. 181. 

 Lydekker, R. 1884 C, p. 91. 



1885 C, p. 253. 

 Meyer, H. 1841 A. 

 Peters, K. 1869 B. 

 Pictet, F. J. 1853 A, p. 333. 

 Stehlin, H. G. 1899 A, pp. 44, 135, 235, 313. 

 Wilckens, M. 1885 B, p. 337. 

 Woodward, A. S. 1898 B, p. 343. 

 Zittel, K. A. 1893 B, p. 341. 



Hyotherium americanum Scott and 

 Osb. 



Scott and O&born 1887 B, p. 155. 

 Cope, E. D. 1888 E, p. 66. 



Matthew, W. D. 1899 A, p. 60. (Bothrolabis.) 

 Roger, O. 1896 A, p. 207. (Bothrolabis.) 

 Stehlin, H. G. 1899 A, p. 113. 

 Trouessart, E. L. 1898 A, p. 815. (Bothrolabis.) 

 Oligocene (White River); South Dakota? 



Hyotherium platyops Cope. 



Cope, E. D. 1881 C, p. 174. 



Lydekker, R. 1884 C, p. 93. 



Matthew, W. D. 1899 A, p. 60. [Bothrolabis 



(Palseochoerus).] 



Roger, O. 18% A, p. 207. (Bothrolabis.) 

 Trouessart, E. L. 1898 A, p. 815. (Bothrolabis.) 

 Oligocene (White River); South Dakota. 



