"I can't keep this up much longer," panted Nathan. "The Indians may be close behind, but for my part I believe they've lost the trail."

"Mebbe so, lad," replied Barnabas, "though the quietness ain't an indication of it. We're all badly winded, but the river ain't far off now. Onct we git across, or find a boat—"

The rest of the sentence was drowned by one blood-curdling whoop that rang with awful shrillness through the silent wood. Another and another followed, and the glimmer of a torch was seen coming over a knoll at a furlong's space behind the fugitives.

"The Senecas are hot on the trail!" cried Barnabas, "an' their keen ears have heard us. On for the river! It's our last chance!"


[CHAPTER XII]
IN WHICH A MYSTERIOUS ISLAND PLAYS A PART

Barnabas was right in guessing the river to be near, and the fugitives could not have approached it at a better time or place, though they had little idea of the good fortune in store for them. If they thought about the chances at all, as they ran desperately before the screeching Indians, it was to realize what little likelihood there was of finding a boat, or of safely gaining the farther bank by swimming.

But when they had plunged through a slope of water-birches, and straggled breathlessly down to the pebbly shore of the Susquehanna, a welcome sight at once met their eyes. Almost directly opposite, and twenty yards out in the stream, a big flat-boat was drifting leisurely with the current.

Over the high gunwales rose two or three heads, and a voice demanded sharply: "Who's yonder?"