6CHAPTER VI.—ADRIAN MAKES A CAPTURE.
21CHAPTER XXI.—JOINING THE REVOLUTIONISTS.
7CHAPTER VII.—IN THE HANDS OF THE ENEMY.
22CHAPTER XXII.—BESIEGED BY REVOLUTIONISTS.
8CHAPTER VIII.—IN THE SMUGGLER’S CAVE.
23CHAPTER XXIII.—BILLIE SOLVES A MYSTERY.
9CHAPTER IX.—GUADALUPE IN DANGER.
24CHAPTER XXIV.—LOST IN THE CHAPARRAL.
10CHAPTER X.—SANTIAGO’S STRATEGY.
25CHAPTER XXV.—THE FIGHT IN MIDSTREAM.
11CHAPTER XI.—A COUNCIL OF WAR.
26CHAPTER XXVI.—BILLIE OVERHEARS A SECRET.
12CHAPTER XII.—THE BATTLE AT THE CAVE.
27CHAPTER XXVII.—HUSTLING FOR EVIDENCE.
13CHAPTER XIII.—A MYSTERIOUS DISAPPEARANCE.
28CHAPTER XXVIII.—A QUESTION OF NEUTRALITY.
14CHAPTER XIV.—PANCHO VILLA.
29CHAPTER XXIX.—IN THE DARKNESS BEFORE DAWN.
15CHAPTER XV.—A SHOT IN THE DARK.
30CHAPTER XXX.—AU REVOIR, BUT NOT GOOD-BY.
