"Tough old world, isn't it?" he mourned, stretching himself out luxuriously with his hands locked under his head. "Edie and I thought we were sittin' on top of it when we saw that smoke trail just after sunset, but it was only a false alarm."
"You are sure you saw a smoke?"
"Oh, yes; there was no doubt about that. We could see it as long as we could see anything. But I guess we just joshed ourselves into thinking that it was coming our way." He sat up to nurse his knees and was silent for a little time. When he began again it was to say: "You know these seas better than any of us; is there any chance at all that we'll ever be taken off? . . . Lie down, Tige, old boy, and take it easy. There's nothing to bite in these diggings—more's the pity."
I answered Billy's question cheerfully as a duty incumbent upon me, and I fancied he took the forced optimism for exactly what it was worth. While I was expatiating upon the law of lucky chances, the bull pup was refusing to lie down and take it easy; he was standing stiffly with his crooked forelegs braced and his cropped ears cocked as if at the approach of an enemy.
"What is the matter with the dog, Billy?" I asked, and as I spoke, we both thought we saw the answer in the lagoon at our feet. A triangular black fin split the mirror-like surface for a brief instant, and a twist of some huge under-sea body turned the darkling water into lambent phosphorescent flames. It was not the first shark we had seen, but they seldom penetrated this far into the lagoon.
"Ah!" said Billy, stroking down the rising hackles on the dog's back, "there's a quick way out of it for you, little doggie, when the clock strikes thirteen. One jump, and you'll never know what hurt you. You won't jump, eh? You're foolish, in your brain, old boy. It'll be much easier than starving to death."
"Still in the doldrums, Billy?" I asked.
"Who wouldn't be? But I didn't chase out here to swap glooms with you, Uncle Dick. I wanted to ask you if you believe in this wild tale of the Spaniards' buried treasure."
"I'll believe anything that will help to pass the time," I replied evasively.