W.B.Davis 1935. 465 Mammals examined from Idaho in the Chas. R. Conner Mus., Pullman, Wash. Eutamias amoenus caniculus. 143.8 Skin only Latah co. Collected by S.E. Piper July 9, 1898. External measurements: 231-105-31-18 146.8 Skin only Latah co. Collected by S.E. Piper July 9, 1898 External measurements: 243-111-31-18 155.8 Skin only Latah co. Collected by S.E. Piper July 11, 1898. External measurements: 246-116-35-16. 160.8 Skin only Latah Co. Collected by S.E. Piper July 13, 1898, External measurements: 241-111-31-18 593.8 Skin only Latah co., Collected by S.E. Piper July 13, 1898. External measurements: 250-116-32-18 125? Skin only Orofino. Collected by R.E. Snodgrass Sept. 13, 1902. No external measurements. all six of these specimens have a faint cast of buff ventrally; very faint in some, more profuse in others. All agree in having the tail edged in gray rather than buff. Red undertail not so heavy as in E.r. simulans.