“That is the way to find out, of course; but it would be like so much madness for you to attempt such a climb.”

“Would it, sir?”

“Yes, for some time to come. You are getting on so well that I don’t want you to be driven back by over-exertion.”

“But I could try and give up if I got tired.”

“Yes, but I don’t want you to grow tired, so you must content yourself here. There is plenty to see along the shore here.”

“And suppose a lot of blacks come while you are away.”

“Pick up the gun I shall leave with you; they will not face that. But I have no fear of that happening. I feel sure that there are no inhabitants. Still, I only feel so, and I want to be perfectly certain.”

“You’ll be ever so long,” said Carey, gloomily, “and it will not be very pleasant to be quite alone. All right, though, sir, I don’t mind.”

“You are not going to be alone,” said the doctor, quietly. “Bostock will stay with you.”

“Oh, but that will not be right,” cried the boy, eagerly. “Who knows what dangers you may run into?”