464 W.B. Davis 1935. Mammals examined from Idaho in the Chas. R. Conner Museum, Pullman, Wash. Eutamias s. simulans Dec. 7. 164? Orofino, (skin + skull). Collected Sept. 13, 1902 by R.E. Snodgrass. No external measurements. skull measurements, Interorbital br. 7.3 Mastoid br. 14.7 Post-orbital br. 10.4 Zygomatic br. 18.7. Lacimal br. 11.4 Nasals are broken off. Max. tooth row. 5, 8 Depth (back of molars) 10.5; Dorsal stripes are definitely blackish; Lateral stripes: median pair mixed with fuscous; lateral pair lighter. 5858 Skin only, Orofino. Collected Sept. 3, 1902 by R.E. Snodgrass. No external measurements, Median pair of stripes more buffy than #164. Tail (dorsal surface) heavily suffused with red. 1917 Skin + broken skull. Cedar Mt. Collected May 24, 1924 by W.T. Shaw. Measurements: 244-110-34. 6038 Skin + skull, Cedar Mt. Collected by W.T. Shaw April 15, 1923. Measurements: 229-103-33. 6078 Skin + skull, Cedar Mt. Collected April 15, 1923 by W.T. Shaw. Measurements: 229-102-32. skull measurements. No. 584 T.l.b. I.of.N. Z.br. M.B. I.br P.O.br lac.br. Max.h. P.P.L. D.of skull 1917 ad - 11.5 - 15.1 - - 11.8 5.6 - - 6038ad 33.7 11.5 18.3 14.9 7.3 10.0 11.5 5.4 12.2 10.2 6078 ad 34.3 11.0 19.1 15.1 7.6 10.7 11.5 5.4 12.3 10.7