The first thing the boys did the following morning, after spending the night at the home of Mr. Choate, was to go down to the beach and see if their airplane was all right.  They found one of the two negroes asleep, but the other fellow was faithfully on guard, and everything about the Sky-Bird seemed just as they had left it, although the watchers said that a considerable number of curious townspeople had come to look at the machine the day before and they had been very busy keeping venturesome boys off the craft.