True to form, Tarzan at once dropped to his hands and knees and searched beneath the bed for the lost gold piece. Strange as it might appear, he had never before looked beneath the bed. He found the gold piece, and something else he found, too—a small wooden box with a loose cover. Bringing them both out he returned the sovereign to its bag and the bag to its shelf within the cupboard; then he investigated the box. It contained a quantity of cylindrical bits of metal, cone-shaped at one end and flat at the other, with a projecting rim. They were all quite green and dull, coated with years of verdigris.
Tarzan removed a handful of them from the box and examined them. He rubbed one upon another and discovered that the green came off, leaving a shiny surface for two-thirds of their length an
