"What do you make of that?" asked Jack, handing him the paper.
"Not very much," answered the judge, looking it over. "There seems to be a smudge of dirt on it, that is all."
"Nor I," chimed in the officer. "Nothing there."
"Looks to me like finger marks," said Rand.
"That's it, exactly!" cried Jack excitedly. "Look at it this way!"
"I see," said the judge, "some one has left the impression of a dusty hand."
"It was a small hand, too," went on Jack, "not much bigger than mine."
"That seems right, too," assented the judge, "but what do you make of it?"
"It was a boy or a small man who made it," continued Jack.
"That's logical," agreed the judge, "but—"