"A bad job for him," said Bell.

"But we can't leave him to his fate, in this fashion," said Altamont.

"No, let's be off to find him at once," replied Hatteras.

[Illustration: ]

He opened the door, but soon shut it, narrowly escaping a bear's hug.

"They are there!" he exclaimed.

"All?" asked Bell.

"The whole pack."

Altamont rushed to the windows, and began to fill up the deep embrasure with blocks of ice, which he broke off the walls of the house.

His companions followed his example silently. Not a sound was heard but the low, deep growl of Duk.