Unsheathing his hunting-knife, and selecting a sound white-birch tree, Herb carefully removed from it a piece of bark about eighteen inches in length and six in width. This he carefully trimmed, and rolled into a horn as a child would twist paper into a cornucopia package for sweets, tying it with the twine-like roots of the ground juniper. The tapering end of the trumpet, which would be applied to the caller’s lips, measured about one inch across; its mouth measured five.