6CHAPTER VI. A MYSTERIOUS DISAPPEARANCE.
18CHAPTER XVIII. A WILY SYREN.
7CHAPTER VII. EVIL TIDINGS.
19CHAPTER XIX. SERGEANT-MAJOR TWILEY HAS A SURPRISE.
8CHAPTER VIII. ON THE TRACK.
20CHAPTER XX. A CRITICAL GAME.
9CHAPTER IX. A BALLOON ADVENTURE.
21CHAPTER XXI. “WARE ASSASSIN!”
10CHAPTER X. A BRIGHT PAIR.
22CHAPTER XXII. ANNIE’S RETURN.
11CHAPTER XI. AN UNEXPECTED ALLY.
23CHAPTER XXIII. and Last. JUBILATE.
12CHAPTER XII. BAITING THE TRAP.
