"Not for our own safety, but for what our safety involves," he added.

She inclined her head in acquiescence.

Very slowly and with infinite caution McKay drew from their holsters beneath his armpits two automatic pistols.

"Help me, Eve," he whispered.

So she aided him where he lay beside her to slip the pack straps over his shoulders. Then she drew toward her the little osier cage in which their only remaining carrier-pigeon rested secured by elastic bands, grasped the smaller sack with the other hand, and waited.

They had waited an hour and more; and the figure of the stranger had moved only once—shifted merely to adjust itself against a supporting tree-trunk and slip the tump-line.

But now the man was stirring again, cautiously resuming the forehead-straps.

Ready, now, to proceed in whichever direction he might believe lay his destination, the strange man took the rifle into the hollow of his left arm once more, remained absolutely motionless for five full minutes, then, stirring stealthily, his moccasins making no sound, he moved into the forest in a half-crouching attitude.

And after him went McKay with Evelyn Erith at his elbow, his sinister pistols poised, his eyes fixed on the figure which passed like a shadow through the dim forest light ahead.

Toward mid-afternoon their opportunity approached; for here was the first water they had encountered—and the afternoon had become burning hot—and their own throats were cracking with that fierce thirst of high places where, even in the summer air, there is that thirst-provoking hint of ice and snow.