"What yuh talkin' about?" asked Herb, a little impatiently.

"Was you looking?"

"Come across, Windy," exclaimed Fly. "What are you driving at anyhow?"

Before the Clevelander had time to reply to this question, they were startled by a most peculiar shriek which pierced the air, and seemed to cut to the very marrow of their bones.

It came only once, but left the party hushed and silent.

"Must be an eagle," said Carl finally, "though it's the fiercest I ever heard."

"What was it you saw, Fred," asked Hawke.

"Well, when that light came, and I snapped the picture, I thought I saw something big and black floating around over there by that old tower."

"I didn't see nothing and I was lookin'!" deprecated Tender, doubtfully.

"Did you see it, Hawke?" persisted the young photographer.