“That you, Watson?” he cried.

“Yes.”

“This is the place. What is that black thing down there?”

“A water-barrel.”

“Top on it?”

“Yes.”

“No sign of a ladder?”

“No.”

“Confound the fellow! It’s a most break-neck place. I ought to be able to come down where he could climb up. The water-pipe feels pretty firm. Here goes, anyhow.”

There was a scuffling of feet, and the lantern began to come steadily down the side of the wall. Then with a light spring he came on to the barrel, and from there to the earth.