The Duke's eyes glittered.
"Keep close to us," he ordered, "if you try to bolt when the shooting starts you're a dead man—sabè?"
"Si, señor," stammered the guide.
"Shooting! shooting!" spluttered Sir Harry, "is there any danger?"
"Yes."
"Danger to us?"
He received no answer.
For the next ten minutes they rode without speaking a word. Sir Harry thought a great deal.
"As you have taken so much trouble," he said at last, "I feel it is only my duty as a Christian and a gentleman to tell you that I have every reason to believe that an enemy of yours——"
"Bill Slewer," interrupted the Duke brusquely. "Yes, I know all about him. In fact I happen to know that he has prepared a little ambuscade for my especial benefit. He is waiting for my return to-night."