"There is no telling. For all we know they may be up back of the cattle shed, too."
It was now so dark that but little could be seen beyond the clearing immediately surrounding the cabin. Each of the boys stationed himself in the loft, Dan watching to the north and the east, and Ralph to the south and west.
With the coming of night the silence seemed more oppressive than ever, and only the occasional mooing of the cow tied near the door broke the stillness around the cabin. From the woods came now and then the cry of a night bird, but that was all. The breeze had died out utterly.
But presently came a cry that caused the hearts of both lads to thump vigorously within their breasts. It was the note of a night-owl, repeated six times.
"That's a Comanche signal," said Dan, in almost a whisper. "Ralph, they must be coming now, and if they are, God help us to do our best in repelling their attack!"
"Amen!" came almost solemnly from the younger Radbury. "Can you make out anything yet?"
"No—yes! Somebody is sneaking through the timber toward the river. It's an Indian with a gun! He's turning toward the house, and two other Indians are behind him!"
Several minutes more passed minutes that
