He saw beyond the isle a narrow strait and a long stretch of what looked like the mainland of a continent.

“Golly, Marse Frank!” exclaimed Pomp, “dat looks a bit like a big stretch ob land ober dar.”

“That is certainly what it is,” agreed Frank.

“Does yo’ s’pose it am inhabited?”

“I hardly know,” replied the young inventor. “But what is that over yonder hill--is it not smoke?”

The darky looked in the direction indicated.

Both saw a column of smoke rising into the air.

At once Frank’s curiosity was aroused.

“It must be a camp,” he cried. “And yet what human beings could exist here?”

He was thinking intently of the Solitaire’s party, and did not think of such a thing as Esquimaux.