The Scow is Stolen. A Council of War. Vengeance. A Double Surprise.
Tramp-proof Boat Mooring.


CHAPTER XIII.

WIGWAGGING AND HELIOGRAPHING

Wigwag Signals. The Wigwag Alphabet. Abbreviations. Wigwagging at Night.
The Heliograph. The Single Mirror Instrument. The Sight Rod. The Screen.
Focusing the Instrument. Heliograph Signaling. The International Telegraph
Code. The Double Mirror Instrument.


CHAPTER XIV.

ICE BOATS, SLEDGES AND TOBOGGANS

Breaking Camp. The Ice Boat. The Sledge. The Toboggan. The Rennwolf. Ice
Creepers.


CHAPTER XV.

THE SUBTERRANEAN CLUB
A Cave-in. Excavating for the Cave. Covering the Cave. The Big Bug Club.
Midnight Banquets. The Club Pin. The Combination Lock.