“And fasten it,” continued Brujon.

“To the top of the wall,” went on Babet.

“To the cross-bar of the window,” added Brujon.

“And then?” said Gavroche.

“There!” said Guelemer.

The gamin examined the rope, the flue, the wall, the windows, and made that indescribable and disdainful noise with his lips which signifies:—

“Is that all!”

“There’s a man up there whom you are to save,” resumed Montparnasse.

“Will you?” began Brujon again.

“Greenhorn!” replied the lad, as though the question appeared a most unprecedented one to him.