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White-footed Mouse — Part 3
Images coming soon.
B. THE BOREAL WHITE-FOOTED MICE
Tail equal to or larger than the head and body, with a conspicuous pencil of hairs at the tip.
2. Canadian White-footed Mouse. P. canadensis Miller. Larger and much grayer than the above, and fawn-coloured individuals rather rare, the longer tail and conspicuous tuft of usually whitish hairs on the end serve readily to distinguish it.
3. Hudsonian White-footed Mouse. P. canadensis abietorum Bangs. Always dark gray above at all ages, never showing the russet tints.
4. Dusky White-footed Mouse. P canadensis umbrinus Miller. Smaller than P. canadensis and yellow with the dusky shading on face, ears tail deeper.
5. Cloudland White-footed Mouse. P. canadensis nubiterrae (Rhoads). Smaller and darker than P. Canadensis, with a distinct blackish dorsal band.
C. THE COTTON MICE
Tail shorter than the head and body, without a distinct terminal pencil of hairs. Underparts with a decided gray cast owing to the greater extent of the gray bases of the hairs. These are distinctly southern as the last were northern.
6. Cotton Mouse. P. gossypinus (Le Conte). Colour similar to the white-footed mouse, but darker and less tawny, and underparts distinctly gray, as compared with the pure white of P. leucopus.
7. Rhoads' Cotton Mouse. P. gossypinus mississippiensis Rhoads. Paler, with dusky stripe on back and ring around the eye, less defined.
8. Florida Cotton Mouse. P. gossypinus palmarius Bangs. Paler, but dusky ring around the eye, well defined.
9. Louisiana Cotton Mouse. P. gossypinus nigriculus Bangs. Smaller than any other cotton mouse, colours darker, with a broad blackish stripe on the back.
In the West there are many other white-footed mice and another allied group known as scorpion mice, Onychomys.