"Now this illustrates the value of imagination," Charley was saying. "Taft has been trying for years to get them, but he went at it with bull strength and failed. Now we used our heads . . ."
Just then I heard a scarcely audible gurgle of water, and holding up my hand for silence, I turned and pointed to a ripple slowly widening out in a growing circle. It was not more than fifty feet from us. We kept perfectly quiet and waited. After a minute the water broke six feet away, and a black head and white shoulder showed in the moonlight. With a snort of surprise and of suddenly expelled breath, the head and shoulder went down.
We pulled ahead several strokes and drifted with the current. Four pairs of eyes searched the surface of the water, but never another ripple showed, and never
