And standing thus, a terrible temptation came to him, a temptation so strong that for a moment it almost overpowered him.

He had only to send quickly for his friends, who had gone to the train to meet the detective, and tell them what he had seen, to bring about the overthrow of his rival in the very hour of his triumph.

The lover who had been accepted by Queenie Trevalyn as her affianced husband, would be taken from the hotel in handcuffs. Ah, what a glorious revenge; sweetened by the thought that Challoner would thus be parted forever from the girl whom he had loved so madly, and lost.

Then the nobler side of John Dinsmore’s nature struggled for mastery. Could he, a dismissed suitor, cast the first stone at his successful rival? Would it be manly, or ignoble?

How Queenie Trevalyn would hate him for it! That thought settled the matter, his rival should not come to his downfall through him. Far better that Challoner’s bullet should pierce his heart.

He stood quite motionless, leaning heavily against the massive pillar of the piazza, lost in deep reverie, thinking it all over.

What had he to live for, now that Queenie Trevalyn was lost to him forever? Death seemed far more desirable to him than life—without her.

He knew that Raymond Challoner was considered an excellent shot; that every one declared him particularly clever in the use of firearms; but that knowledge did not deter John Dinsmore from his purpose.

When his friends entered the hotel, a little later, they found a summons from him awaiting them, explaining briefly the affair on hand, which was to come off within an hour, and asking them to meet him on the beach, at the place and time indicated.

“Whew!” exclaimed Ballou, with a long, low whistle. “What will Dinsmore be getting into next? Knowing him as well as I do, I realize that it is useless to attempt to talk him out of this affair of honor, as he calls it. Heaven grant that he may not fall a victim of his opponent’s superior marksmanship. Of course I don’t know what the deadly quarrel between them is about, but——”