"Oh, I should think he was slender and light, the way he bounded off the platform and made for the wharf."
"Do you think he went there to kill Lieutenant Scott?" asked Jack, a moment later.
"It is more probable that he came here to put the Sea Lion out of commission," Frank replied.
"I'll bet well find somethin' all busted up!" Jimmie predicted.
"Ned can soon determine that," Jack remarked.
"Yes," Ned went on, "but the first thing to do is to see if this murderer left any visiting cards here. After that, we must notify the Coroner and have the body removed."
Ned went into the dynamo room and looked about.
"Here is where any enemy would have to do his work," he said, "so we must look for clues here. Keep your hands off the machinery, for he may have left finger marks somewhere."
Ned searched long and carefully without reward. Finally he turned to the waiting boys.
"There's quite a lot of waste lying around," he said. "Secure every fiber of it and examine it under the microscope. You would better attend to that, Frank, as you are familiar with the instrument. If you discover anything foreign to a place like this, let me know."