"Boys," began the professor solemnly as Billy concluded, "I have a confession to make."

"A confession?" cried Harry, "what about?"

"Why for some time I have entertained a doubt in my mind and that doubt has now crystallized to a certainty. I don't believe there is such a creature as the fur-bearing pollywog."

"Then Professor Tapper is wrong?" asked Harry, amazed at the scientist's tone.

"I am convinced he is. I shall expose him when we return—if we ever do," declared the scientist.

A few minutes later they landed on the firm snow and soon a hearty meal of hot canned mutton, vegetables, soup, and even a can of plum pudding, warmed on their stove and washed down with boiling tea, was being disposed of.

"And now," said Frank, as he absorbed the last morsels on his plate, "let's see whereabouts on the ridgepole of the earth we have lighted."

The boy's observation showed that they were at a point some two hundred miles to the southwest of the spot in which they had left the crippled dirigible and the Viking ship. The wind had dropped, however, and conditions were favorable for making a fast flight to the place they were now all impatient to reach Frank, after a few minutes' figuring, announced that dusk ought to find them at the Viking ship and, if all went well, in communication with their friends.

No time was lost in replenishing the gasolene tank from the reserve "drums," and carefully inspecting the engine and then a long farewell was bade to the Polar plateau. Without a stop the Golden Eagle winged steadily toward the northeast, and as the wonderful polar sunset was beginning to paint the western sky they made out the black form of the disabled dirigible on the snow barrens not far from the Viking ship's gully.

As they gazed they broke into a cheer, for advancing toward the other dark object at a rapid rate was another blot on the white expanse, which a moment's scrutiny through the glasses showed them was the motor-sledge packed with men on whose rifles the setting sun glinted brightly. The Golden Eagle ten minutes later swooped to earth at a spot not twenty yards from her original landing place and a few moments later the boys were shaking hands and executing a sort of war dance about Captain Barrington and Captain Hazzard, while Ben Stubbs was imploring some one to "shiver his timbers" or "carry away his top-sails" or "keel-haul him" or something to relieve his feelings.