Tamias ruficaudus (A. H. Howell, 1920) . Proc. Biol. Soc. Washington, 33:91.

TYPE LOCALITY: "Upper St. Mary's Lake, [Glacier Co.,] Montana." [USA] .

DISTRIBUTION: NE Washington to W Montana (USA), and SE British Columbia (Canada).

SYNONYMS: simulons (A. Howell, 1922).

COMMENTS: Subgenus Neotamias . Patterson and Heaney (1987) suggested that simulons may be specifically distinct from ruficaudus, but the nature of contact between the two forms is not known.