6Chapter 5: Mr. Berg is Suspicious
19Chapter 18: The Electric Gun
7Chapter 6: Turning the Tables
20Chapter 19: Captured
8Chapter 7: Mr. Damon Will Go
21Chapter 20: Doomed to Death
9Chapter 8: Another Treasure Expedition
22Chapter 21: The Escape
10Chapter 9: Captain Weston's Advent
23Chapter 22: At the Wreck
11Chapter 10: Trial of the Submarine
24Chapter 23: Attacked by Sharks
12Chapter 11: On the Ocean Bed
25Chapter 24: Ramming the Wreck
13Chapter 12: For a Breath of Air
26Chapter 25: Home With the Gold
