in the midst of the gallery, they saw the orange and pomegranate trees of the Castle of Rueil, in long lines, forming one great alley and two smaller side alleys.

“No cardinal!” said D’Artagnan, “but only his lantern; where the devil, then, is he?”

Exploring, however, one of the side wings of the gallery, after making a sign to Porthos to explore the other, he saw, all at once, at his left, a tub containing an orange tree, which had been pushed out of its place and in its place an open aperture.

Ten men would have found difficulty in moving that tub, but by some mechanical contrivance it had turned with the flagstone on which it rested.

D’Artagnan, as we have said, perceived a hole in