Fur composed of three kinds of hairs: 1°. woolly hairs, slate-colored near the base and for the rest rusty; 2°. spinous hairs, very narrow and flexible, white near the base, dusky brown towards the tip; and 3°. longer bristles, brown colored. Underparts covered only with woolly hairs, slate-colored near the base and for the rest yellowish rusty. Tail shorter than head and body, with short brown hairs. Ears rather short, rounded. Whiskers as long as to reach the tips of the ears, black.