"There certainly was another man there," declared Jerry, "and he's
gone now."

"And I'm certain I heard a cry for help," said Bob.

"We all heard a cry," admitted Jerry, "but it might have been a call
for a boatman, or something like that. However--"

He did not finish what he was going to say for, at that instant,
Blowitz heard the noise of the approaching motor boat. The muffler.
was not working just right, and the usually noiseless engine of the
Ripper was making quite a fuss. Blowitz was in a listening attitude,
standing in bold relief in the moonlight, and, having, apparently,
satisfied himself as to where the boat was, he started to descend the
cliff.

"He's coming down," said Ned.

"Is that the Ripper?" called Blowitz suddenly.

"Yes," replied Jerry, wondering how the man knew.

"I thought I recognized her engine. Are you coming ashore? If you are,
I'd like to speak to you."

"We're coming," answered Ned.

"Don't come too close then, for there are dangerous rocks. Make for
that little point up there," and the man pointed so that the boys
could see where he meant. "There's deep water right up to the edge.