Mark repeated what Phineas Roebach had said about the 'quake and the storm of ashes. The professor began to rub his hands together and his eyes twinkled. "I declare! I declare!" he repeated. "A seismic disturbance in this locality? Ah! our visit to Alaska for Dr. Todd may repay us nobly indeed."

Washington White's eyes opened very wide and he demanded:

"What's disher t'ing yo' calls 'sezmik', Professor Henderson? I suah don't understand no sech langwidge."

"He means an earthquake, Wash," said Jack, as the professor paid no attention to the darkey's question.

"Gollyation! is we goin' ter collek a nearthquake along wid dat chrisomela-bypunktater plant? And what good's a nearthquake w'en you got him?"

This unanswerable question of the darkey's fell flat, for the party just then reached the huge, two-roomed log cabin in which Phineas Roebach made his headquarters. The "oil hunter," as he called himself, appeared in a costume more fitted to the rigor of the weather.

"Come right in, gentlemen," was his cordial cry. "I have an Indian woman here who can cook almost as well as white folks. At any rate, she can make coffee and fry bacon. This is Professor Henderson? Glad to meet you, sir," and so went on, being introduced to the whole party.

The professor immediately began to question the oil hunter regarding the exact situation of his camp and learned that they were but a hundred and fifty miles from Aleukan. Phineas Roebach had a plentiful supply of dogs and sleds, too, with a goodly store of provisions. If worse came to worst and the flying machine could not be at once prepared, Mr. Roebach could supply the party with transportation to the Indian settlement where Professor Henderson would meet his own supplies from Coldfoot and there could obtain other dogs and sleds to go on to the valley where the Chrysothele-Byzantium was supposed to flourish.

"And the road from here to Aleukan is a good one at this season of the year. More than half the way you travel over a glacier, and as the icefield has not been in motion for ages, it makes a fine highroad," the oil hunter declared.

They were discussing these matters during breakfast, and everybody was feeling particularly thankful over the safe descent of the aeroplane, when they were startled by a sudden, jarring shock. The cabin rocked and the boys, at least, felt a qualmishness in the pit of the stomach that forbade further eating.