Sound carries very distinctly over water, you know."
"They are coming toward us," added Amy, shrinking closer to Betty. There was no doubt of that. The eyes of all in the approaching motor boat, which was a powerful craft, were fixed on the girls in the Gem, and it was a strange sight to see the eyes of the colored men, with so much of the white showing in contrast to their dark faces, staring fixedly at our friends. Grace caught herself in a half-hysterical laugh.
"They looked just like those queer china dolls," she explained afterward.
The white man steering the boat was almost as dark in complexion as were his companions, but at least he was white—the girls were sure of that.
"I guess they know we have run on a sand bar," Betty explained, in as calm a voice as she could bring to her need. "They are avoiding it themselves."
As she spoke the other boat made a wide sweep and then, having gone down past the Gem, it again swept in on a curve, now being headed up stream.
"Stuck?" called the white steersman, and his voice was not unpleasant, though a bit domineering, Betty thought.
