The salubrity of the chamber and the preservation of this part of the staircase and of the vaults were explained by the presence of the spring, which had been enclosed at some time by a wall of extraordinary thickness built in brick and cement like those of the Romans, and received all the waters.

Michu closed the entrance to this retreat with large stones; then, to keep the secret of it to himself and make it impenetrable to others, he made a rule never to enter it except from the wooded height above, by clambering down the crag instead of approaching it from the pond.
Just as the fugitives arrived, the moon was casting her beautiful silvery light on the aged tree-tops above the crag, and flickering on the splendid foliage at the corners of the several paths, all of which ended here, some with one tree, some with a group of trees.

On all sides the eye was irresistibly led along their vanishing perspectives, following the curve of a wood-path or the solemn stretch of a forest glade flanked by a wall of verdure that was nearly black.

The moonlight, filtering through the branches of the crossways, made the lonely, tranquil waters, where they peeped between the crosses and the lily-pads, sparkle like diamonds.

The croaking of the frogs broke the deep silence of this beautiful forest-nook, the wild odors of which incited the soul to thoughts of liberty.
"Are we safe ?" said the countess to Michu.
"Yes, mademoiselle.