722 



FOSSIL VERTEBRATA OF NORTH AMERICA. 



[BULL. 179. 



EUCASTOR Leidy. Type E. tortus Leidy. 



Leidy, J. 1868 E, p. 23. (Subgenus of Castor.) 

 Allen, J. A. 1877 A, p. 449. 

 Cope, E. D. 1881 E, p. 369. 



1883 S, p. 55. 



1884 O, p. 839. 



Flower and Lydekker 1891 A, p. 458. 

 Nicholson and Lydekker 1889 A, p. 1419. 

 Zittel, K. A. 1893 B, p. 531. 



Eucastor tortus Leidy. 



Leidy, J. 1858 E, p. 23. [Castor (Eucastor).] 



Allen, J. A. 1877 A, p. 449. 



Cope, E. D. 1881 E, p. 369. 



1881 Q, p. 586. 



1883 S, p. 55. 



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

 Leidy, J. 1869 A, pp. 341, 405, pi. xxvi, figs. 21, 22. 

 (Castor.) 



1871 C, p. 363. (Castor.) 

 Matthew, W. D. 1899 A, p. 66. 

 Merriam, J. C. 18% A. 

 Roger, 0. 1896 A, p. 119. 

 Trouessart, E. L. 1898 A, p. 448. 



Miocene (Loup Fork); Nebraska. 



STENEOFIBER E. Geoffrey. Type not indicated. 



Geoffrey, E., 1833, Revue Encyclop. 

 Cope, E. D. 1877 K, p. 297. 

 1881 E, p. 369. 



1884 O, p. 838. (Syn. of Castor. ) 

 Flower and Lydekker 1891 A, p. 458. (Chalico- 



mys, Palseocastor.) 



Leidy, J. 1869 A, p. 306. (Pateocastor, type Ste- 

 neoflber nebrascensis.) 



1871 C, p. 363. (Paleeocastor.) 

 Nicholson and Lydekker 1889 A, p. 1420. (Cha- 



licomys, Palseocastor.) 

 Pictet, F. J. 1853 A, p. 252. 

 Pomel, A. 1847 C, p. 381. 



1853 A, p. 20. 



Schlosser, M. 1884 A, p. 21. 

 Scott, W. B. 1895 C, p. 76. 

 Tullberg, T. 1899 A, p. 474. 

 Zittel, K. A. 1893 B, p. 530. 



Steneofiber gradatus Cope. 



Cope, E. D. 1879 D, p. 63. 

 1879 B, p. 55. 

 1881 E, p. 370. (Castor.) 

 1881 Q, p. 586. (Castor.) 



1883 S, p. 55. (Castor.) 



1884 O, pp. 839, 844, pi. Ixiii, fig. 22. (Castor.) 

 Matthew, W. D. 1899 A, p. 62. 



Roger, O. 18% A, p. 118. 

 Trouessart, E. L. 1898 A, p. 449. 

 Miocene (John Day); Oregon. 



Steneofiber montanus Scott. 

 Scott, W. B. 1893 B, p. 680. 

 Matthew, W. D. 1899 A, p. 52. 

 Roger, O. 1896 A, p. 119. 

 Scott, W. B. 1895 C, p. 76. 

 Trouessart, E. L. 1898 A, p. 450. 



Oligocene (White River); Montana. 



Steneofiber nebrascensis Leidy. 



Leidy, J. 1856 I, p. 89. 

 Allen, J. A. 1877 A, p. 451. 



Cope, E. D. 1877 K, pp. 297, 300. 

 1881 E, p. 370. (Castor.) 

 1881 Q, p. 586. (Castor.) 



1883 S, p. 55. (Castor.) 



1884 O, p. 839. (Castor.) 

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



King, C. 1878 A, p. 412. (Palseocastor.) 

 Leidy, J. 1857 D, p. 176. (Chalicomys.) 



1869 A, pp. 338, 406, pi. xxvi, figs. 7-11. (Pa- 

 lseocastor.) 



1871 C, p. 363. (Palseocastor.) 

 Matthew, W. D. 1899 A, p. 52. 

 Roger, O. 18% A, p. 118. 

 Trouessart, E. L. 1898 A, p. 449. 



Oligocene (White River); South Dakota, Ne- 

 braska, North Dakota. 



Steneofiber pansus Cope. 



Cope, E. D. 1874 J, p. 222. 

 Allen, J. A. 1877 A, p. 453. 

 Cope, E. D. 1875 F, p. 73. 



1877 K, p. 297, pi. Ixix, figs. 4-14. 



1881 E, p. 370. 



1881 K. (Castor.) 



1883 S, p. 55, fig. 11. (Castor.) 



1884 O, pp. 839, 840. (Castor.) 

 Matthew, W. D. 1899 A, p. 66. 

 Roger, 0. 18% A, p. 118. 

 Trouessart, E. L. 1898 A, p. 449. 



Miocene (Loup Fork) ; New Mexico, Nebraska. 



Steneofiber peninsulatus (Cope). 



Cope, E. D. 1881 E, p. 370. (Castor.) 



1879 B, p. 55. (Steneofiber nebrascensis?. ) 

 1881 Q, p. 586. (Castor.) 



1883 S, p. 55, figs. 9, 10. (Castor. ) 



1884 O, p. 840, pi. Ixiii, figs. 18-21. (Castor.) 

 Matthew, W. D. 1899 A, p. 62. 



Roger, O. 1896 A, p. 118. 

 Trouessart, E. L. 1898 A, p. 449. 

 Miocene (John Day); Oregon. 



SIGMOGOMPHIUS Merriam. Type S. lecontd Merriam. 



Matthew, W. D. 1899 A, p. 66. 



Merriam, J. C. 18% A. 



Sigmogomphius le contei Merriam. 



Merriam, J. C. 18% A, figs. 1, 2. 



