the green leaves glided along, moved by an unseen power. Investigation proved them to be an army of ants, each one carrying a leaf on its back which looked like a little sail. On the edge of the bank, half in the water, half out, lay a branch of willow. These little things climbed it, risking life and limb, and, cutting off a leaf, hoisted it on their backs and marched easily a quarter of a mile to their home.
