"Gee!" Thornton's voice rang out, sharp in the tense silence.

Buck swung to the right, ending the movement in a plunge that took up the slack, and, with a sudden jerk, arrested his one hundred and fifty pounds. The load quivered, and from under the runners arose a crisp crackling.

"Haw!" Thornton commanded.

Buck duplicated the maneuver, [Footnote: Maneuver: dexterous movement.] this time to the left. The crackling turned into a snapping, the sled pivoting and the runners slipping and grating several inches to the side.

The sled was broken out. Men were holding their breaths, intensely unconscious of the fact. "Now, Mush!"

Thornton's command cracked out like a pistol shot. Buck threw himself forward, tightening the traces with a jarring lunge. His whole body was gathered tightly together in a tremendous effort, the muscles writhing and knotting like live things under the silky fur. His great chest was low to the ground, his head forward and down, while his feet were flying like mad, the claws scarring the hard-packed snow in grooves. The sled swayed and trembled, half-started forward. One of his feet slipped, and one man groaned aloud. Then the sled lurched ahead in what appeared a rapid succession of jerks, though it really never came to a dead stop again—half an inch—an inch—two inches. The jerks became less as the sled gained momentum, he caught them up, till it was moving steadily along.

Men gasped and began to breathe again, unaware that for a moment they had ceased to breathe. Thornton was running behind, encouraging Buck with short, cheery words. The distance had been measured off, and as he neared the pile of firewood which marked the end of the hundred yards, a cheer began to grow and grow, which burst into a roar as he passed the firewood and halted at command. Every man was tearing himself loose, even Matthewson, who had lost his wager. Hats and mittens were flying in the air. Men were shaking hands, it did not matter with whom, and bubbling over in a general incoherent babel. But Thornton fell on his knees beside Buck. Head was against head, and he was shaking him back and forth.

"I'll give you a thousand for him, sir, a thousand," sputtered the
Skookum Bench king, "twelve hundred, sir."

Thornton rose to his feet. His eyes were wet. The tears were streaming frankly down his cheeks. "Sir," he said to the Skookum Bench king, "no, sir. You can hold your tongue, sir. It's the best I can do for you, sir."

Buck seized Thornton's hand in his teeth. Thornton shook him back and forth. As though moved by a common feeling, the onlookers drew back to a respectful distance; nor did they again interrupt.