"Won't you see Rowe safe to the island?"

"Not by a great sight. I'll have no more to do with the case."

So saying the detective jumped ashore, and Willis was left to his own discretion.


[CHAPTER VI.]

ANOTHER SURPRISE FOR ROY.

"Well, this is a pretty way to treat a fellow, I do think," soliloquized the puzzled and anxious superintendent, as he stood on the yacht's deck and watched the retreating form of the detective until it was swallowed up in the darkness. "He gets me into difficulty and then clears out, leaving me to sink or swim, he don't care which. What do you say, captain?" he added, turning to the master of the yacht, who came up when he saw Babcock spring ashore. "You're quite positive that the boy below is Rowe Shelly, and nobody else?"

"What's the matter with you and Babcock?" asked the captain, testily. "You act like a couple of—I don't know what."

"And that's the way I feel," replied Willis. "Babcock has been worked upon in some mysterious way, and now he's gone away and left me to bear the brunt of the whole thing alone."