for what they were worth. Let them play their pranks till they tired of them.
The more he thought of it, the more he became convinced of the truth of his deductions. His antiquarian's eye rested lovingly on the traces of that long-dead Inca civilization which they met. Here, aqueducts that would have made the Romans wonder; there, remains of the great road which ran from end to end of South America. They were all dead, those Incas. Yet these people wished to make him believe that those vanished warriors and priests had carried off a boy and girl of to-day to offer them as a sacrifice to equally-forgotten gods!
They had now left the arid ranges and dusty wind behind them, and reached a little village nestling in green fields at the foot of the mountain. A babbling stream, tumbling down from the Cordilleras, had transformed this corner into an oasis of verdure, in which Uncle Francis would willingly have passed a few hours. But now that they were in flat country again, Dick, the Marquis and Natividad increased the pace feverishly. Uncle Francis, still determined not to show that he had fathomed their plot, was careful not to protest.
Once or twice, they stopped to ask questions, but it was difficult to obtain information. Hamlets were rare, and the Interaymi festivals had
