Surnames,
and how originated. The method adopted by the Romans. The
Greek names. English surnames. Clifford's condition
improving. Trying to identify the skeleton found on
Venture Island. Clifford recognizes Ephraim. Walter's
letter. The three islands. The triangle. The three
southern stars. The southern cross. The three crosses.
Thirty leagues. The charts of the islands.

XVIII. THE STORY OF THE LETTERED SKULL Page 224

Clifford awakes. The escape of Walter and his recapture.
Clifford continues his story. His effort to find the
treasure island. His meeting with Walter. Capture by the
savages. The _Juan Ferde_. Blakely and Clifford. His
knowledge of the skull. The finding of the boys' boat.
Sailing down the river. Loss of the boat. Finding his
companions. Sailing to Venture Island. His illness.
Meeting with Walter on Rescue Island. His belief that
Walter had hidden the chart. Walter brought in. Clifford
apologizes to Walter. The Sign of the Plus and V. The
chambers in the cave. What the inscriptions meant.
Surprise when Walter learns of the finding of the copper
box. Explains the meaning of the charts. Why there were
three skulls. The mysterious letter. The remarkable
happenings explained.

LIST OF ILLUSTRATIONS

The scout from the rear now came in with a leap Frontispiece
PAGE
'Stop!' cried John, 'It will be death for any one to touch him' 59
'It is copper,' said John 138
The old man pointed to the rocky wall 154

Fig. 1. The Marimba. 36
Fig. 2. The Atlantean Plateau. 42
Fig. 3. The Severed Hemispheres. 45
Fig. 4. Silencer: Convolute Blades. 54
Fig. 5. Spitting the Roast. 75
Fig. 6. Arialad Fruit. Sarsaparilla. 76
Fig. 7. The Mistletoe. 90
Fig. 8. The Jacchus. 95
Fig. 9. The Cave on Rescue Island. 119
Fig. 10. Cinnamon. 129
Fig. 11. Phonograph Disk.