The Marmot (Arctomys marmota)can, including the 11 cM. longtail, a length of 62 cM. at a shoulder height of 15 cM. Through stature and physique she resembles her relatives. The hair, which consists of short wool hair and longer upper hair, is dense, abundant and quite long; the colour is brown-black at the top to a greater or lesser extent, broken on the crown and back by some whitish dots, in the neck, at the root of the tail and at the whole underside dark reddish brown, on the legs, the sides of the torso and at the rear even lighter, at the snout and at the feet rust yellowish white.