452 
Taxymys, Colonomys, Isohyromys, Sciuromys. Mysops. 
514. t Taxymys, Marsh, 1872. 
2543. t lucaris, Marsh, Amer. Journ. Sc., IV, 1872, fEocaen 
p. 219. 
4Vyoming. 
515. t Colonomys, Marsh, 1872. 
2544.1 celer, Marsh, Amer. Journ. Sc., IV, 1872, fEocaen. Wvomine- 
p. 220. " ® 
516. t Ischyromys, Leidy, 1856. 
Colotaxis et Gymnoptychus, part.. Cope, 1873. 
2545.ttypus, Leidy, Proc. Acad. Philad., 1856, fMiocaen. Dakota, 
p. 89; Ext. Mam. Faun., 1869, p. 335, 405, Colorado 
pl. 26; Cope, Tert. Vert., 1884, p. 835, 
pl. 66, 67. 
cristatus. Cope, 1873 (Colotaxis). » 
chrysoclon. Cope, 1872 (Gymnopt.). » 
517. t Sciuromys, Schlosser, 1884. 
2546. t Cayiuxi, Schloss., Palaeontog., 1884, p. 82, f Oligocaen. Gallia 
pl. VIII, fig. 2, 3, 7 — 9, 18. merid. 
618. fMysops, Leidy, 1871. 
Syllophodus, Cope. 
2547. tminimus, Leid., Proc. Acad. Philad., 1871, fEocaen. Wyomina- 
p. 232; Ext. Vert. Faun., 1873, p. 111,336, 
pl. VI. 
minutus, Allen, Kod., p. 937. » 
2548. I fraternus, Leidy, Ext. Vert. Faun., 1873, fEocaen. Wyominf'’ 
p. 112, 336, pl. XXVII, fig. 14, 15. 
