Captain Francis Newcombe swung back to the chair, and flung himself down in it again. It was over for the moment. For the moment! Yes, that was it—for the moment! But it would come again. Last night in his bunk on the Talofa he had lain awake, and lived through hell. To-day, behind his mask of complaisance, fear had gnawed. Fear! And it had been his boast that fear and he were strangers.

His lips grew tight.

Well, his boast still held good! What man had ever stood before him, and taunted him with fear! This was fear in a different sense. It was a fear of the intangible, of what he could not reach, or see, of what he could not materialise into actual form. It was the fear of the unknown.

He was on his feet again.

"Damn you!" he snarled. "Come out into the open and fight! You hell-hound, you spawn of the devil, come out, show your face—"

No! Quiet! That would not do! He was in control of himself again, wasn't he? It was a game of wits against wits, of cunning matched against cunning. But against whom—and what was the stake this unknown, who had come to plague and torment him, played for? Revenge? The law? A Nemesis rising up out of forgotten things?

His mind prodded and sifted and strove, and in its striving seemed to jar and jangle and crunch like the parts of some machinery in motion, which, out of gear, threatened at any moment to demolish itself.

If he went mad—like Mr. Marlin! Ha, ha!

"By God!" he muttered grimly. "This is bad—a bad bit of nerves. If it was the same blighter who fired at me on shipboard, and it must have been, why didn't he fire at me again last night when he had an even better chance, instead of yowling through the darkness?"

That was better! It was the one trump card in his hand; the card that, as he had watched the daylight creep in through the tiny portholes of the Talofa that morning, had determined him, not only to carry on, but to make it serve as a trap to put an end to this skulking familiar who had fastened itself upon his trail. That wasn't fear, was it?