6CHAPTER VI—NED BANGS’ STORY
19CHAPTER XIX—“STAND BY FOR A ROPE!”
7CHAPTER VII—THE THREE COLORED GEMS
20CHAPTER XX—A RESCUE BY AIRSHIP
8CHAPTER VIII—ON BOARD “THE TARANTULA”
21CHAPTER XXI—ALOFT IN THE STORM
9CHAPTER IX—THE CHADWICK GAS GUNS
22CHAPTER XXII—A VOYAGE OF TERROR
10CHAPTER X—DRAWING A RASCAL’S FANGS
23CHAPTER XXIII—THE BOY INVENTORS SOLVE A PROBLEM
11CHAPTER XI—THE “FLYING ROAD RACER”
24CHAPTER XXIV—AN APPEAL FOR HELP
12CHAPTER XII—HERRERA IS NOT CAUGHT NAPPING
25CHAPTER XXV—“IT’S DEATH TO REMAIN HERE!”
13CHAPTER XIII—A DARING PLAN
26CHAPTER XXVI—AN ASTOUNDING DISCOVERY
