Interstate people had an airship out after them. It seems that when
we didn't reply to their signal, they guessed that they had hailed
the wrong airship. They have sent a man to the city to telegraph to
the men on the Canadian side to look out for an airship on their
track."

"You don't know where they are going to telegraph to, Hiram?"

"But I do," cried Hiram triumphantly. "That's my big discovery.
They talked over the whole thing. The message is to be sent to a
friend at Brantford. He is to ride post haste horseback ten miles
west of that place to where the Drifter people have a camp in what
they call Big Moose Woods."

"Hiram," applauded the young aviator, "you're a jewel. Why, you
have simplified the whole business."

"And you're going right after the Drifter?" propounded Hiram
eagerly.

"'We're going to try to," replied Dave, "but first we must get word
of all this to Mr. Price."

The Monarch II had mounted aloft while they were conversing. Dave
started the machine in a direction opposite to that in which they
had been going. Hiram noted this.

"Are you going back to Desert Island?" he asked.

"First, yes. Then I shall skiff over to Anseton and report to Mr.