"This isn't fun, it's important. Come, I say!"
Thus aroused, the senator's son rolled from his couch and hurried into his clothing. In a few minutes both boys had their shoes and caps on, and along the hallway they sped, and down the back stairs. The door below was unlocked, but closed. Soon they were out in the rear yard of the Hall, and there they beheld Shadow Hamilton walking slowly in the direction of the boathouse.
"Who is it?" whispered Roger.
"It is Shadow. He is walking in his sleep. I want to find out where he is going and what he'll do."
"Humph! This certainly is interesting," answered the senator's son.
"Whatever you do, Roger, don't arouse him, or there may be an accident," cautioned Dave. "Let him go his own way."
"But he may hurt himself, anyway."
"No, he won't. A sleep-walker can walk a slack wire, if he tries it, and never tumble. Haven't you heard of them walking on the ridge pole of a house? I have."
"I've read about such things. And I know they say you mustn't arouse them. He is going into the boathouse!"
The chums ran forward and reached the doorway of the boathouse just as Shadow Hamilton was coming out. The somnambulist had a pair of
