"He says there is treasure buried on an island in the Southern Pacific." "Treasure?
Let me see." Captain Spark looked critically at the rather faint tracing of lines on the yellow sheet.
"I'm afraid somebody has been playing a joke on you, or on Captain Obed," he remarked, handing the parchment back, after Bob had told him how he became possessed of it.
"A joke ?" "Yes.

That's a map, sure enough, but no sailor could ever find the island by those directions." "Why not ?" "I said he never could.

Perhaps I should have said he might by accident.

Why, look, Bob.

Whoever made this map only marked the location of the Island by degrees; that is the degree of longitude and that of latitude.