Note 145 — B. Utensils of Bone, Horn, and the Teeth of Animals.

Recently a great deal has been written about the relation of widely separated peoples to each other. And this relationship has usually followed definite geographic lines. It is, however, worth while to notice the great similarity between the implements of eastern and western United States, and those of the caves of Switzerland and of the Arctic region. Many implements of similar type and use are to be found in these regions, implements which are not discovered in any other portion of the world.