452 Taxymys, Colonomys, Ischyromys, Sciuromys. Mysops. 



514. f Taxymys, Marsh, 1872. 



2543. f lucaris, Marsh, Amer. Journ. Sc, IV, 1872, f Eocaen. Wyoniing. 

 p. 219. 



515. fColonomys, Marsh, 1872. 



2544. fceler, Marsh, Amer. Journ. Sc, IV, 1872, fEocaen. Wyoming. 

 p. 220. 



516. f Ischyromys, Leidy, 1856. 

 Colotaxis et Gymnoptychus, part., Cope, 1873. 



2545. ftypus, Leidy, Proc Acad. PMlad., 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). » 



chrysodon, Cope, 1872 (Gymnopt.). » 



517. fSciuromys, Schlosser, 1884. 



2546. f Cayluxi, Schloss., Palaeontog., 1884, p. 82, f Oligocaen. Gallia 

 pl. VIII, fig. 2, 3, 7—9, 18. " merid. 



518. fMysops, Leidy, 1871. 



Syllophodus, Cope. 



2547.fminimus, Leid.. Proc. Acad. Philad., 1871. fEocaen. Wyoming. 

 p. 232: Ext. Vert. Faun, 1873, p. 111,336, 

 pl. VI. 



minutus, Allen, Eod, p. 937. » 



2548. ffraternus. Leidv, Ext. Vert. Faun.. 1873, fEocaen. Wyoming. 

 p. 112, 336, pl. XXVII. fig. 14. 15. 



