sails. Different parts of the masts.
The bowsprit and boom. The triangular sail.

XVI. DISCOVERY OF THE SAVAGES' HUTS

The hunting expedition. The forest below South River. Suggestions
of the Professor concerning the importance of that section. The
trail through the dense woods. Wild animals. Different varieties of
game. Directing course by the sun. Character of the country.
Discovery of native huts. A vegetable garden. The surprising
contents of the huts. Accidentally finding paper containing
writing. Other articles of interest among the rubbish. A mineral
spring. A monogrammed silver cup. The return journey. Discussing
the articles found.

XVII. THE GRIM EVIDENCE IN THE HILLS

Trying to decipher the writing traces on the paper. Conclusions.
The Professor's journey. Prospecting in the hills. Discovery of
numerous fissures in the rocks. A skeleton in one of them. The
telltale arrows. Mute evidence of the character of the inhabitants
of the island.

XVIII. STRANGE DISCOVERY OF A COMPANION LIFEBOAT

Work on the new boat. Variety of their work. The regular hunting
day. The joke on the Professor. Old age. How old age becomes a
habit. The discussion on hunting. Deciding where to go. Conclude to
visit the forests to the west. Provisioning for the journey.
Reaching the edge of the main forest, accompanied by Red Angel. In
the proximity of the Falls. Decided to go in that direction. Reach
the river. Searching for the spot where the boat was left and from
which place it had been taken. No traces of the mooring place.
Examining driftwood and debris along river bank. Amazing discovery
of one of _Investigator's_ boats. Speculation as to the mystery.
Evidence that it came over the Falls. Disappearance of the lockers
of the boat, similar to those on their own. Discussion as to the
fate of their companions. Decide to seclude the boat. Sudden
appearance of Red Angel in excitement. Following him back to the
location of the wagon. Disappearance of the yaks and wagon.

LIST OF ILLUSTRATIONS

"Before they had gone 20 feet, a large leopard-like animal sprang
transversely across their path"

"George saw his peril and now realized that he could not possibly reach
a place of safety"

"'What is this? a party?' said the Professor. 'Yes; a birthday party,'
said Harry"

"Red An