brighter; sides slightly duller (lacking the olivaceous
wash of _C. g. wrangeli_); all cranial measurements taken averaging
smaller except height of skull, which is approximately the same;
alveolar length of upper tooth-row and length of incisive foramina
notably shorter; auditory bullae less inflated; cheek-teeth much
narrower.

From topotypes of _C. g. phaeus_, _C. g. stikinensis_ differs as
follows: dorsal stripe and sides darker; auditory bullae less
inflated; cheek-teeth narrower; skull smaller in most measurements
taken (see table 1).

From topotypes of _C. g. solus_, _C. g. stikinensis_ differs as
follows: dorsal stripe lighter (more tawny underwash); ventral wash
of buffy much paler (especially noticeable around mouth and on
throat); zygomatic and lambdoidal breadths greater; skull deeper;
auditory bullae more inflated; cheek-teeth slightly heavier.

TABLE 1. _External and cranial measurements of Clethrionomys._

N | | | | | | | | | | |
u | | | | | | | | | | |
m | | | | | | | | | | L |
b | | | | | | | | | | e |
e | | | | | | | | | | n |
r s | | | | | | | | | | g |
e | | | | | | | | | | t |
o x | | | | | | | | | | h |
f | | | | C | | | | | | |
o | | | | o | | | | | | o |
i r | | | | n | | | | | | f |
n | | | | d | | L | | A | B | |
d s | | | | y | Z | a | | l | r | i |
i p | | | | l | y | m | L | v | e | n |
v e | | | | o | g | b | e | e u| a | c | H
i c | | | | b | o | d | n | o p| d | i | e
d i | | | | a | m | o | g | l p| t | s | i
u m | T | | | s | a | i | t | a e| h | i | g
a e | o | | | i | t | d | h | r r| | v | h
l n | t | | | l | i | a | | | o | e | t
s | a | | H | a | c | l