For a quarter of an hour, which seemed a whole century, the sloop sailed on in this formidable company, sometimes a few yards distant and sometimes near enough to touch. The Greenland dogs trembled for fear, but Duk was quite imperturbable. At last the iceberg lost ground, and got driven by the wind further and further away till it disappeared in the fog, only at intervals betraying its presence by the ominous growls of its equipage.

[Illustration: Mast and sail were torn off, and went flying away through the darkness like some large white bird.-P.224]

The storm now burst forth with redoubled fury. The little barque was lifted bodily out of the water, and whirled round and round with the most frightful rapidity. Mast and sail were torn off, and went flying away through the darkness like some large white bird. A whirlpool began to form among the waves, drawing down the ship gradually by its irresistible suction.

[Illustration: ]

Deeper and deeper she sank, whizzing round at such tremendous speed that to the poor fellows on board, the water seemed motionless. All five men stood erect, gazing at each other in speechless terror. But suddenly the ship rose perpendicularly, her prow went above the edge of the vortex, and getting out of the centre of attraction by her own velocity, she escaped at a tangent from the circumference, and was thrown far beyond, swift as a ball from a cannon's mouth.

Altamont, the Doctor, Johnson, and Bell were pitched flat on the planks. When they got up, Hatteras had disappeared!

It was two o'clock in the morning.

CHAPTER XXIII.

THE ENGLISH FLAG