"We are actually more than two hundred and fifty miles from Point Barrow, the northernmost extremity of Russian America," he replied.

"We ought to know, then, how many miles the island has drifted since it left the mainland," said Sergeant Long.

"Seven hundred miles at least," replied Hobson, after having again consulted the chart.

"And at about what time do you suppose the drifting commenced?"

"Most likely towards the end of April; the ice-field broke up then, and the icebergs which escaped melting drew back to the north. We may, therefore, conclude that Victoria Island has been moving along with the current parallel with the coast at an average rate of ten miles a day."

"No very rapid pace after all!" exclaimed Mrs Barnett.

"Too fast, madam, when you think where we may be taken during the two months in which the sea will remain open in this part of the Arctic Ocean."

The three friends remained silent, and looked fixedly at the chart of the fearful Polar regions, towards which they were being irresistibly drawn, and which have hitherto successfully resisted all attempts to explore them.

"There is, then, nothing to be done? Nothing to try?" said Mrs Barnett after a pause.

"Nothing, madam," replied Hobson; "nothing whatever. We must wait; we must all pray for the speedy arrival of the Arctic winter generally so much dreaded by sailors, but which alone can save us now. The winter will bring ice, our only anchor of salvation, the only power which can arrest the course of this wandering island."

CHAPTER III.

A TOUR OF THE ISLAND.

From that day, July 18th, it was decided that the bearings should be taken as on board a vessel whenever the state of the atmosphere rendered the operation possible. Was not the island, in fact, a disabled ship, tossed about without sails or helm.

The next day after taking the bearings, Hobson announced that without change of latitude the island had advanced several miles farther west. Mac-Nab was ordered to commence the construction of a huge boat, Hobson telling him, in explanation, that he proposed making a reconnaissance of the coast as far as Russian America next summer. The carpenter asked no further questions, but proceeded to choose his wood, and fixed upon the beach at the foot of Cape Bathurst as his dockyard, so that he might easily be able to launch his vessel.

Hobson intended to set out the same day on his excursion round the island in which he and his comrades were imprisoned. Many changes might take place in the configuration of this sheet of ice, subject as it was to the influence of the variable temperature of the waves, and it was important to determine its actual form at the present time, its area, and its thickness in different parts. The point of rupture, which was most likely at the isthmus itself, ought to be examined with special care; the fracture being still fresh, it might be possible to ascertain the exact arrangement of the stratified layers of ice and earth of which the soil of the island was composed.

But in the afternoon the sky clouded over suddenly, and a violent squall, accompanied with thick mists, swept down upon the fort. Presently torrents of rain fell, and large hailstones rattled on the roof, whilst a few distant claps of thunder were heard, a phenomenon of exceedingly rare occurrence in such elevated latitudes.

Hobson was obliged to put off his trip, and wait until the fury of the elements abated, but during the 20th, 2lst, and 22d July, no change occurred. The storm raged, the floods of heaven were let loose, and the waves broke upon the beach with a deafening roar. Liquid avalanches were flung with such force upon Cape Bathurst, that there was reason to dread that it might give way; its stability was, in fact, somewhat problematical, as it consisted merely of an aggregation of sand and earth, without any firm foundation. Vessels at sea might well be pitied in this fearful gale, but the floating island was of too vast a bulk to be affected by the agitation of the waves, and remained indifferent to their fury.