ip to the
copper treasure cave. Tides. Fireflies. Explanation of the
light. Light without heat The problem of light. Advantages of
light which generates no heat. Color of daylight. Phosphorescent
glow. Catching fireflies. Scaling the heights. The spot where
the Walter note was found. A skull with mysterious characters on
it. The mark on the skull and the mark in the message. The star.
Cryptic signs.

V. THE TRIP TO THE NEW ISLAND Page 63

Sutoto at the top of the peak. The telescope. The view of Unity.
The Illyas' village. The visit to the last captured village. The
reception. The kindness of the chief. The great change in the
village. The feast of John and the boys. Happiness of the
people. The Illyas at work. Return of the _Wonder_ to Unity. The
_Pioneer_ on its way to other Islands. Seasickness of the crew.
Trying the new cure. Atrophine, and how administered. Explaining
its origin, and how it acts. The effect on the crew. Driven out
of their course. A light in the dense darkness. Land ahead.
Awaiting the morning. Fifty leagues from Wonder Island. The cove
in the shore line. Anchoring. The two boats sent ashore. Signs
to indicate that people lived on the island. Reminiscences of
the Yaks and bears. The discovery of coffee trees. The wild
variety. Identity of vegetation in widely-separated countries.

VI. DISCOVERY OF THE ISLAND AND EXPLORATIONS Page 75

Return to the landing. John's advice. Surveying the island. The
cardinal points of the compass. Laying out the coast line by
triangulation. What measurement of angles means. Transferring
the angles to paper. Making plans by means of a scale.
Proportionate lengths of the different limbs of the angles. The
shore line to the south. Instructions to Sutoto. The party to
explore the interior. Starting on their mission. The equipment
of the party. The spears, and bolos. The camera and field
glasses. Amazing tropical vegetation and fruit. Stone hatchet
found. Independent exploits of the boys. Temporary separation.
Disappearance of George. A pistol shot in the distance. The
search. Evidences of a scuffle. George's tracks found. The
footprints of natives. Muro scouting in the direction of the
natives.