HAY.] 



CATALOGUE. 



791 



Cope, E. D. 1882 E, p. 149. 



1884 O, p. 235. 



Matthew, \V. D. 1899 A, pp. 30, 34. 

 Roger, 0. 18% A, p. 251. 

 Trouessart, E. L. 1S97 A, p. 71. 



Eocene (Wasatch, Wind River); New Mexico. 



Hyopsodus paulus Leidy. 



Leidy, J. 1870 O, p. 110. 

 Cope, E. D. 1873 E, p. 609. 



1873 U, p. 1. 



1875 C, p. 18. 



1881 D, p. 186. 



1882 E, p. 148. 



1884 O, pp. 235, 237. 



1885 K, p, 460, fig. 2. 

 1887 I, p. 657. 



King, C. 1878 A, p. 403. 

 Leidy, J. 1871 C, p. 354. 



1872 B, p. 363. 



1873 B, pp. 75, 320, pL vi, figs. 1-9, 18-20. 

 Marsh, D. C. 1871 D, p. 42. (Hypsodus.) 

 Matthew, W. D. 1899 A, pp. 30, 34, 37. 

 Osborn, Scott, and Speir 1878 A, p. 15. 

 Pavlow, M. 1887 A, p. 371. 



Roger, O. 18% A, p. 251. 

 Trouessart, E. L. 1897 A, p. 71. 



Eocene (Wasatch, Wind River, Bridger); 

 Wyoming. 



Hyopsodus powellianus Cope. 

 Cope, E. D. 1884 O, p. 235, pi. xxiiid, figb. . ,. 



1882 E, pp. 179, 180. (Phenacodus zunien- 



sis.) 

 Matthew, W. D. 1897 C, p. 270. 



1899 A, p. 30. 



Osborn, H. F. 1897 G, p. 256. 

 Roger, O. 18% A, p. 251. 

 Trouessart, E. L. 1897 A, p. 71. 

 Eocene (Wasatch); Wyoming. 



Hyopsodus vicarius Cope. 

 Cope, E. D. 1873 U, p. 1. (Microsyops.) 



1873 E, p. 609. (Microsyops.) 



1875 C, p. 18. 



1881 D, p. 186. 



1882 E, p. 149. 



1884 O, pp. 235, 237, pi. xxiv, figs. 20, 21; pi. 

 xxva, fig. 7. 



1885 K, p. 460, fig. 2. 

 Lydekker, R. 1885 E, p, 470. 

 Matthew, W. D. 1899 A, pp. 30, 34, 37. 

 Nicholson and Lydekker 1889 A, p. 1465, fig. 1348 

 Roger, 0. 18% A, p. 251. 



Schlosser, M. 1887 B, p. 21. 

 Trouessart, E. L. 1897 A, p. 71. 



Eocene (Wasatch, Wind River, Bridger); 

 Wyoming. 



MICROSYOPS Leidy. Type M. gracilis Leidy. 



Leidy, J. 1872 C, p. 20. 

 Cope, E. D. 1875 C, p. 13. 



1877 K, p. 134. 



1884 K, p. 319. 



1884 O, pp. xxxv, 215, 216, 240. 



1885 K, p. 465. 



Flower and Lydekker 1891 A, p. 698. 

 Gaudry, A. 1877 A. 

 Leidy, J. 1873 B, p. 82. 

 Marsh, O. C. 1875 B, p. 239. 

 Matthew, W. D. 1897 C, p. 265. 

 Nicholson and Lydekker 1889 A, p. 1466 

 Schlosser, M. 1887 B, pp. 40, 49. 

 Zittel, K. A. 1893 B, p. 693. 



Microsyops elegans (Marsh). 

 Marsh, 0. C. 1871 D, p. 43. (Limnotherium.) 

 Cope, E. D. 1884 O, p. 217. 



1887 S, p. 257, fig. 30. 

 King, C. 1878 A, p. 403. 

 Leidy, J. 1872 B, p. 364. (Limnotherium.) 



1873 B, pp. 83, 320. 

 Matthew, W. D. 1899 A, p. 37. 

 Roger, 0. 18% A, p. 251 (syn. of M. gracilis); p. 252 



(Notharctus). ^ 



Trouessart, E. L. 1897 A, p. 72. 

 Eocene (Bridger); Wyoming. 



Microsyops gracilis Leidy. 

 Leidy, J. 1872 C, p. 20. 

 Cope, E. D. 1884 O, p. 216. 

 1885 K, p. 465, fig. 2. 



Leidy, J. 1873 B, p. 83, pi. vi, figs. 14-17. 

 Marsh, O. C. 1881 D, p. 188. 

 Matthew, W. D. 1899 A, pp. 30, 34, 37. 

 Roger, 0. 18% A, p. 251. 



Eocene (Wasatch, Wind River, Bridger); 

 Wyoming. 



Microsyops scottianus Cope. 

 Cope, E. D. 1881 D, p. 188. 



1884 O, p. 217, pi. xxivo, fig. 2. 

 Matthew, W. D. 1899 A, p. 34. 

 Roger, 0. 18% A, p. 251. 

 Trouessart, E. L. 1897 A, p. 72. 



Eocene (Wind River); Wyoming. 



Microsyops speirianus Cope. 

 Cope, E. D. 1880 O, p. 908. 



1881 D, p.. 188. 



1882 C, p. 463. (M. spierianus.) 



1884 O, p. 216, pi. xxva, fig, 8. (M. spieri- 

 anus.) 



Matthew, W. D. 1899 A, p. 30. 

 Roger, O. 18% A, p. 251. 

 Trouessart, E. L. 1897 A, p. 72. 



Eocene (Wind River); Wyoming. 



Microsyops uintensis Osborn. 



;, H. F. 1895 A, p. 77, fig. 1. 

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

 Roger, 0. 18% A, p. 251. 

 Trouessart, E. L. 1897 A, p. 72. 

 Eocene (Uinta); Wyoming. 



