One day they reached a point half-way up a hill, where the soil was full of sand. Its surface, untrodden till now, was streaked so as to resemble symmetrical waves. Here and there, like promontories on the dry bed of an ocean, rose up rocks with the vague outlines of animals, tortoises thrusting forward their heads, crawling seals, hippopotami, and bears. Not a soul around them. Not a single sound. The shingle glowed under the dazzling rays of the sun, and all at once in this vibration of light the specimens of the brute creation that met their gaze began to move about. They returned home quickly, flying from the dizziness that had seized hold of them, almost dismayed.
The gravity of the forest exercised an influence over them, and hours passed in silence, during which, allowing themselve
