The next day, the 17th of April, the sailor’s first words were addressed to Gideon Spilett.

“Well, sir,” he asked, “what shall we do to-day?”

“What the captain pleases,” replied the reporter.

Till then the engineer’s companions had been brickmakers and potters, now they were to become metallurgists.

The day before, after breakfast, they had explored as far as the point of Mandible Cape, seven miles distant from the Chimneys. There, the long series of downs ended, and the soil had a volcanic appearance. There were no longer high cliffs as at Prospect Heights, but a strange and capricious border which surrounded