XI. Lost in the Fog
XII. Billy Hears an Interesting Conversation
XIII. Luther Barr's Trap
XIV. Mr. "L. B.'s" Dirigible
XV. Off for the Sargasso
XVI. In Dire Peril
XVII. Billy's Narrow Escape
XVIII. Into the Sargasso
XIX. The Rat Ship
XX. The Golden Galleon
XXI. Dirigible vs. Aeroplane
XXII. On Board Barr's Ship
XXIII. Prisoners in Dire Peril
XXIV. The Inventor's Treachery
XXV. The Fight on the Island
XXVI. The Boys Win Out




CHAPTER I.

THE EAGLE AND THE BUZZARD.


"Hurrah!"

The shout went upward in a swelling volume of sound as a thousand
voices took up the cry.