Historical reference: Do not rely on this information. It is very old. About this collection
Beaver Rat (Hydromys chrysogaster), a rodent from the Australian region, about two feet long, of which the tail is one-half; neck and upper parts of the body rich dark brown, washed with a light golden tint as far as the hind limbs; under-surface golden-yellow; the basal half of the tail is black, the remaining part white. The hind feet are webbed. The name is sometimes applied to the Musquash (q.v.).