LY.l 



CATALOGUE. 



729 



Allen, J. A. 1877 B, p. 947. (Arvicola.) 

 Cope, E. D. 1883 S, p. 374, fig. 25. 



1899 A, p. 205. 



Roger, O. 18% A, p. 125. (Arvicola.) 

 Trouessart, E. L. 1898 A, p. 562. 

 Wheatley, C. M. 1871 B. 



Pleistocene; Pennsylvania. 



Microtus pennsylvanicus (Ord). 

 Baird, S. F. 1857 A, p. 523. (Arvicola.) 

 Cope, E. D. 1871 1, p. 87. (Arvicola riparia.) 

 Coues, E. 1877 B, i, p. 156, pi. iv, figs. 42-49. (Ar- 

 vicola riparius. ) 



Leidy, J. 1862 A, p. 423. ("Arvicola.") 

 1869 A, p. 406. (Arvicola riparia?.) 

 1889 H, p. 6. (Arvicola riparius.) 

 Miller, G. S. 1894 A, p. 190, pi. iii, fig. 2; pi. iv, 

 fig. 1. (Arvicola riparins.) 



1896 A. p. 63, fig. 33, c. [Microtus (Micro- 

 tus).] 



Trouessart, E. L. 1898 A, p. 562. [Microtus (Mi- 

 crotus).] 



Recent; eastern United States. Pleistocene; 

 Illinois, Virginia. 



Microtus pinetorum (Le Conte). 



Le Conte, J. L., 1829, Ann. Lye. Nat. Hist. N. Y., 

 iii, p. 132, pi. ii. (Psammomys.) 



Baird, S. F. 1857 A, p. 544, pi. liv, No. 1719. [Ar- 

 vicola (Pitymys).] 



Cope, E. D. 1871 I, p. 87. [Arvicola (Pitymys).] 

 i, p. 205. 



Coues, E. 1877 B, i, p. 219, pi. v, figs. 70-73. [\r- 

 vicola (Pitymys).] 



Miller, G. S. 1896 A, p. 59, pi. i, fig. 2; text fig. 31, a. 

 [Microtus (Pitymys).] 



Trouessart, E. L. 1898 A, p. 555. [Microtus (Pity- 

 mys).] 



Wheatley, C. M. 1871 B. 



Recent: United States. Pleistocene?; Pennsyl- 

 vania. Not given in Cope 1899 A, as found in 

 Port Kennedy cave. 



Microtus speothen Cope. 



Cope, E. D. 1871 1, p. 87, fig. 13. (Arvicola.) 



Allen, J. A. 1877 B, p. 947. [Arvicola (Isodelta) 



speothen, A. (Pitymys) tetradelta.] 

 Cope, E. D. 1871 I, p. 88, fig. 14. (Arvicola tetra- 

 delta.) 



1883 S, p. 373, fig. 24, no. 13 [Arvicola (Iso- 

 delta)]; p. 373, fig. 24, no. 14 (A. tetra- 

 delta). 

 18% F, p. 383. 

 1899 A, pp. 205, 206. 



Miller, G. S. 18% A, p. 75. [Microtus (Isodelta).] 

 Roger, O. 18% A, p. 125. (Arvicola.) 

 Trouessart, E. L. 1898 A, p. 561. 

 Wheatley, C. M. 1871 B. (Arvicola.) 

 Pleistocene; Pennsylvania. 



Microtus sp. indet. 

 Cope, E. D. 1889 F, p. 161. (Arvicola.) 

 Pleistocene (Eqnus beds); Oregon. 



FIBER Cuv. Type Castor zibethicus Linn. 



Cuvier, G., 1800, Lecons d Anat. Comp., i, tabl. i. 



Baird, S. F. 1857 A, p. 560. 



Brandt, J. F. 1855 A, p. 171. (Ondatra. ) 



Cope, E. D. 1889 C, p. 249. 



Coues, E. 1877 B, i, p. 251. 



Flower and Lydekker 1891 A, p. 470. 



Miller, G. S. 18% A, pp. 14, 71. 



Nicholson and Lydekker 1889 A, p. 1417. 



Tomes, J. 1850 A, p. 550. 



Tullberg, T. 1899 A, p. 235. 



Zittel, K. A. 1893 B, p. 537. 



Fiber zibethicus (Linn.). 

 Linnseus, C., 1766, Syst. Nat. ed. xii, p. 79. (Castor.) 

 Baird, S. F. 1857 A, p. 561, pi. liv. 

 Brandt, J. F. 1855 A, p. 171, pi. iii, figs, 9-16. 

 (Ondatra.) 



Coues, E. 1877 B, i, p. 254. 



Flower and Lydekker 1891 A, p. 471, fig. 209. 



Holmes, F. S. 1850 B, p. 201. ("Muskrat.") 



Leidy, J. 1860 B, p. 113, pi. xxii, figs. 1-4. 

 1869 A, p. 406. 



Miller, G. S. 18% A, p. 72, pi. ii, fig. 13, text figs. 

 37-39. 



Owen, R. 1866 B, p. 375, fig. 241. 



Roger, 0. 18% A, p. 126. 



Trouessart, E. L. 1898 A, p. 566. 



Tullberg, T. 1899 A, p. 235. 



Wheatley, C. M. 1871 A. (Fiber sp. indet.) 



Recent; North America north of Mexico. 

 Pleistocene; South Carolina, New Jersey, Penn- 

 sylvania?. 



HELISCOMYS Cope. Type H. veins Cope. 



Cope, E. D. 1873 CC, p. 3. 

 Allen, J. A. 1877 A, xi, p. 936. 

 Cope, E. D. 1874 B, p. 475. 

 1881 E, p. 375. 



1883 S, p. 57. 



1884 O, p. 845. 



Nicholson and Lydekker 1889 A, p. 1419. 

 Zittel, K. A. 1893 B, p. 532. 



A genus of uncertain position. 



Heliscomys vetus Cope. 

 Cope, E. I). 1873 CC, p. 3. 



Allen, J. A. 1877 A, xi, p. < 



Cope, E. D. 1874 B, p. 475. 



1881 E, p. 375. 



1883 S, p. 56, fig. 13,a-rf. 



1884 O, p. 847, pi. Ixv, figs. 14-18. 

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

 Roger, O. 18% A, p. 120. 

 Trouessart, E. L. 1898 A, p. 578. 



Oligocene (White River); Colorado. 



