Along the North Dakota creek I met a tribe that has ever since interested me: the weasel family.

Foreword: Some of the wild animals that roamed the plains and mountains of this country when our forefathers landed and started building a nation have vanished, unable to cope with the white man and his guns and hunting dogs, or because man has leveled their forest refuges; but a surprising number still manage to live much as they always did, having adapted themselves to the changed conditions.