General tone of upper parts bright reddish; pattern
inconspicuous; light and dark facial stripes strongly
contrasting; size large; skull relatively small and slightly
built.
Baculum: Shaft thick; keel relatively low, 1/4 of length of tip; tip 27
per cent of length of shaft; angle formed by tip and shaft 120 deg.; distal
1/3 of shaft slightly compressed laterally; base slightly wider than
shaft; shaft long, 4.35 to 5.28 mm.
Differs from _E. speciosus_, _E. panamintinus_, _E. townsendii_, _E.
umbrinus_, _E. palmeri_, and _E. bulleri_, in shaft markedly longer;
base not markedly widened; angle formed by tip and shaft larger; tip
proportionally shorter.
For comparisons with all other species of chipmunks from western North
America, see the accounts of those species.
_Specimens examined_: 4.
California: _Plumas Co._: Mountains near Quincy, 1 (BS). _Placer
Co._: Blue Canyon, 1 (NM). _Alpine Co._: Markleeville, 1 (BS); N
fork Stanislaus River, 1 (BS).
#Eutamias speciosus# (Merriam)