MILLER: MAMMALS OF ONTARIO. 
21 
color of adult individuals from Lake Superior is as follows : dorsal 
surface pale, yellowish, cinnamon-brown, clearer and more tinged 
with reddish on muzzle and face, the region from eyes to tail 
strongly darkened with blackish hairs, these most numerous on back, 
but not enough so to produce a distinct darker dorsal area; feet and 
whole ventral surface pale whitish gray, the throat and belly slightly 
darkened by the plumbeous bases of the hairs; no distinct line of 
demarcation on sides; tail distinctly bicolor, the dark brown dorsal 
stripe occupying less than one half the circumference of the tail; 
ears closely furred with fine short hairs not different in color from 
the surrounding parts, but small area just behind ear slightly paler; 
whiskers reaching about to tips of ears, mixed dark brown and 
silvery gray. 
Body Measurements of Phenacomys latimanus from Ontario. 
Locality. 
Number. 
Sex. 
Total 
length. 
Tail 
vertebrae. 
Hind foot. 
Ear from 
meatus. 
Peninsula Harbor, Ontario. 
4216 
$ 
124 
27.6 
18 
14 
66 
66 66 
4217 
? 
125 
28 
18 
13 
u 
66 66 
4218 
$ 
120 
27 
18 
12.6 
a 
66 66 
4219 
$ 
132 
29 
18 
14 
a 
66 66 
4220 
$ 
138 
OQ 
oo 
19 
13 
<< 
66 66 
4221 
? 
150 
38 
18 
13 
u 
66 66 
4222 
$ 
124 
27 
18 
13 
Cranial Measurements of Phenacomys latimanus from Ontario. 
Number. 
Sex and age. 
Basilar length. 
Basilar length of Hensel. 
Zygomatic breadth. 
Mastoid breadth. 
Interorbital constriction. 
Length of nasals. 
Incisor to molar (alveoli). 
Incisor to postpalatal notch. 
Basioccipital to front of interparietal. . 
Greatest length of mandible. 
Length of mandibular molar series (alveoli) 
Length of maxillary molar series (alveoli) 
4216 
4219 
4220 
4222 
4217 
4221 
$ ad. 
$ ad. 
$ ad. 
$ ad. 
$ ad. 
$ old 
21 
22.4 
22.6 
21 
22 
23 
19.8 
21 
21 
19.6 
20.4 
21.4 
13 
13 
13.6 
13 
13 
14.2 
11 
11.4 
12 
11 
11.6 
11 
3.4 
3.2 
3.4 
3.6 
36 
3.4 
7.8 
7.4 
7 
6.6 
6.6 
7 
6 
6.8 
6.6 
6 
6.2 
7.2 
10.8 
11.8 
12 
11.4 
11.6 
11.8 
7 
6.8 
6.8 
7 
7 
7 
14 
14.6 
14.4 
14 
14 
15 
6 
6 
6 
6 
6 
5.8 
6 
6.4 
6.6 
6.2 
6 
6 
