450 



Steneofiber, Palaeomys. Sigmogomphius, Aplodontia. 



2523. | montanus, Scott, Aruer. Nat., 1893, p. 660; f Miocaeu. Moutaua. 

 Trans. Aruer. Phil. Soc, XVIII, 1894, p.76. 



509. fPalaeomys, Kaup. 1832. 



2524. f castoroYdes. Kp.. Isis, 1832, p. 992; Oss. fMiocaeu. Gerruauia. 

 Foss., 1839, p. 113, pl.XXV, fig. 7— 13. 



510. f Sigmogomphius, Merriam, 1896. 



2525. tLecontei. Merriam, Bull. Dept. Geol. Surv. tP^ ocaeu - America 

 Calif., 1896. sept. 



Incertae Sedis. 



510 b . tBramus, Pomel, 1892. 



2525 b . tbarbarus, Pomel, C.-R. Acad. Sc, CXIV, t^ e i stocaen - Tunisia, 

 1892, p. 1159; Merriam, N.-Am. Fauna, 

 N° 12, 1896, p. 73. 



Familia V. Aplodonticlae. 



511. Aplodontia, Richards., 1829. 



Ilaplodon, Wagler, 1831; Anisonyx, p.. Kafiii., 1817; 

 Arctomys, p., Harlau et Auct. 



2526. rufa, Rafiu., Amer. Month. Mag-., 1817,11, 

 p. 45; Desm., Mam., 1822, II, p. 330, et 

 Auct. Am. receut; Merriam, Auu. N.-T. 

 Acad. Sc, 1886, pl. XX, fig. c, d. 



leporina, Richards., Zool. Jouru.. 1829. 

 IV. p. 335; Fauu. Bor.. p. 211. pl. 18c, 

 fig. 7— 14: Aud. et Bachm.. Quadr., 1853, 

 III. pl. 123: Baird. Mam.. p. 353, pl. 20, 

 fig. 4a— d. pl. 49. fig. 2; Alleu, Rod., 

 p. 549, 557. pl. VI (crau.). 



?Var. california, Peters, M.-B. Ak. Berl., 

 1864. p. 179 (juv.. vel gouus dist.). 



2527. major. Merriam. Auu. N.-York Acad. 

 Sciences. III. 1886. p. 312, 316. pLXIX 

 et XX. 



America Sept.-Occid., 



Tenit. Washington, 



Oregon, in lat. occid. 



Montium Cascade; 



Columbia britaim., 

 Fretum Puget. 



Ah ( aliforniae sept. 



California, 



M s SioiTa-Nevada, 



Placer Countv, 



