The latter crept away, plainly in great trouble of spirit. Ikey asked his chum:
"Did you hear it again?"
"Ye-es," admitted Frenchy. "It does sound queer. What do you suppose it can be?"
"Don't know. Let's tell Whistler," said Ikey, who had a deal of confidence in Morgan.
"That's all right. But don't tell him anything about our being in that room before. Remember, Ikey, we don't know a livin' thing about that first periscope the lookouts spied."
"Sure I won't tell," agreed the other. "It wasn't such a good joke after all, was it, Frenchy?"
And Frenchy agreed with a solemn nod of his head.