HAY.] 



CATALOGUE. 



633 



Scott and Osborn 1887 A, p. 262. 



Trouessart, E. L. 1898 A, p. 740. 



Eocene (Uinta); Utah. 



Diplacodon emarginatus Hatcher. 

 Hatcher, J. B. 1895 A, p. 1086, pi. xxxviii, figs. 1-4. 



Matthew, W. D. 1899 A, p. 50. 



Trouessart, E. L. 1898 A, p. 740. 



Eocene (Uinta); Utah. 



Hatcher, as cited, has proposed for this spe- 

 cies, under certain contingencies, the new ge- 

 neric name Protitanotherium. 



D^ODON Cope. Type D. shoshonensis Cope. 



Cape. E. D. 1879 D, p. 77. 

 1881 G, p. 397. 

 1884 O, p. 713. 

 1887 N, p. 1063. 



Roger, 0. 18% A, p. 194. (Syn. of Titanotherium.) 

 Trouessart, E. L. 1898 A, p. 740. (Syn. of Titano- 

 therium.) 



Zittel, K. A. 1893 B, p. 304. (Daledon; syn. of 

 Titanotherium. ) 



Deeodon shoshonensis Cop3. 



Cope, E. D. 1879 D, p. 77. 



1879 B, p. 68. 



Matthew, W. D. 1899 A, p. 63. 

 Roger, O. 18% A, p. 194. (Titanotherium.) 

 Trouessart, E. L. 1898 A, p. 740. (Titanotherium.) 

 Miocene (John Day); Oregon. 



BROXTOTHERIIN^E.i 



Brandt, J. F. 1878 A, pp. 10, 19. (Brontotherinse.) 

 Earle, C. 1892 C, p. 274. (Titanotherinse. ) 

 Osborn, H. F. 1893 D. (Titanotherinas.) 

 1900 F, p. 94. ("Titanotheres.") 



Osborn and Wortman 1892 A, p. 93. (Titanothe- 



riinse.) 



Roger, 0. 18% A, p. 194. (Titanotherinae.) 

 Zittel, K. A. 1893 B, p. 304. (Titanotherinse.) 



MEGACEROPS Leidy. Type M. coloradensis Leidy. 



Leidy, J. 1870 D, p. 2. 



Cope, E. D. 1873 E, pp. 564, 585. (Megaceratops.) 

 1873 F, p. 66. (Megaceratops.) 

 1873 K, p. 102. (Megaceratops.) 

 1873 CO, p. 14. (Megaceratops.) 

 1887 N, p. 1063. (Syn. of Menodus.) 

 1889 I, p. 153. (Haplacodon, type Menodus 



angustigenis Cope. ) 

 1891 A, p. 9. (Menodus, in part.) 



Earle, C. 1892 C, p. 296. (Haplacodon.) 



Leidy, J. 1871 C, p. 352. (Megacerops.) 



1873 B, pp. 239, 335. 



1874 B. (Syn. of Titanotherium.) 

 Marsh, O. C. 1873 F, p. 295. 



1874 A. 



1875 B, p. 246. 



1876 C, p. 338. 



1887 B, p. 331. (Allops, type^. serotinus.) 



1889 A, p. 165. (Allops, Megacerops.) 



1890 D, p. 523. (Diploclonus, type D. am- 

 plus.) 



Nicholson and Lydekker 1889 A, p. 1374. 

 Osborn, H. F. 1890 D, pp. 513, 542. (Syn. of Tita- 

 notherium.) 



18% B. (Titanotherium, in part.) 

 Scott and Osborn 1887 A, pp. 255, 262. (Menodus, 

 in part.) 



1887 B, p. 157. (Syn. of Menodus.) 

 Trouessart, E. L. 1898 A, p. 740. (Syn. of Titano- 

 therium.) 



Osborn, H. F. 18% B, pp. 192, 193. (Titanothe- 

 rium.) 



Roger, 0. 18% A, p. 195. (Titanotherium.) 

 Trouessart, E. L. 1898 A, p. 742. (Syn. of Titano- 

 therium montanum. ) 

 Oligocene (White River); South Dakota. 



Megacerops angustigenis (Cope). 

 Cope, E. D. 1886 U, p. 81. (Menodus.) 

 Ami, H. M. 1891 A. (Menodus.) 

 Cope, E. D. 1887 N, p. 1067. (Menodus.) 



1889 I, p. 153. (Type of Haplacodon.) 

 1889 O, p. 628. (Menodus syceras.) 

 1891 A, p. 13, pi. v, figs. 1, 2; pi. vi, fig. 2; pi. 

 vii, fig. 1; pi. xi, fig.l?; pi. xii, fig. 4?; pi. 

 xiii, figs. 1?, 4?, 6?, 8? (Menodus angusti- 

 genis); p. 18, pi. vii, fig. 2?; pi. viii, fig. 4? 

 (M. syceras). 



Matthew, W. D. 1899 A, p. 68. (Titanotherium.) 

 Osborn, H. F. 18% B, p. 184 (Titanotherium angus- 

 tigenis); pp. 178, 193 (T. syceras, a syn.? of T. 

 acer). 

 Roger, 0. 18% A, p. 194 (Titanotherium syceras); 



p. 196 (T. angustigenis). 



Trouessart, E. L. 1898 A, p. 741 (Titanotherium 

 angustigenis); p. 743 (T. syceras, a syn. of T. 

 acer). 



Oligocene (White River); Swift CurrentCreek, 

 Canada. 



Megacerops coloradensis Leidy. 



Leidy, J. 1870 D. 



Cope, E. D. 1873 E, p. 586. (Megaceratops colo- 

 radoensis.) 



Megacerops? amplus (Marsh). 

 Marsh, 0. C. 1890 D, p. 523. (Diploclonus. ) 



1 In the arrangement of the genera and species of the Brontotheriinse the writer has had the 

 benefit of the conclusions arrived at by Prof. H. F. Osborn, at the date of going to press, in his studies 

 in the preparation of his forthcoming monograph of the Titanotheres. 



