"Hold on, son. This heah was a pahtic'lah case. I figgehed it all out—an' took a chanct. That's why I sent yo' an' O'Brien oveh onto the hill, so's if she let go they'd still be some of us left. Soon as I seen the bridge I rec'lected how I had a dozen sticks of giant in my outfit, an' a box of caps, an' some fuse—wait, now, till I set the caps, an' then yo' c'n touch off the shot. We'll use two sticks fust, an' save the otheh to finish off with, if we need it." As he talked Waseche Bill punched holes in the soft yellow cylinders and affixed the caps and fuse for a ten-minute shot. Connie and O'Brien placed the injured man again upon the sled and made ready for a quick getaway.

"Lay 'em side by side right in the middle, an' coveh 'em with a couple handfuls of snow," advised Waseche, "an' then we'll pull out on the flat a space an' watch the fun. When them Injuns gets to the ravine it sho' will botheh 'em to figgeh how we-all got acrost."

A few minutes later they halted the outfit well out of harm's way and watched breathlessly for the explosion. The mining of the bridge had taken time and, in the distance, beyond the ravine, the White Indians were rapidly gaining. A few of the stronger and more fleet were well within rifle shot, when suddenly, with a dull roar and a blur of flying snow, the giant let go. The eyes of the three were fixed upon the bridge—or rather upon the place where the bridge had been—for all that remained was a cloud of powdery snow dust and a thinning haze of light grey smoke. The snow dust settled, the smoke drifted away and dissolved into the cold, clear air, and between the watchers and the White Indians the unbridged ravine yawned wide, and deep, and impassable.

"Whoop-la!" yelled O'Brien, leaping into the air and cracking his heels together. "Come on an' git us, ye phirates!" And as the savages gathered upon the opposite side, the Irishman's laughter rang long and loud across the frozen tundra.

The third day after the blowing up of the bridge found the three adventurers skirting the base of the great white range that towered in an unbroken chain as far as the eye could reach to the northward and to the southward. Vast, and grim, and impassable, the giant masses of rock and ice loomed above them, their naked, blue-white peaks and pinnacles gleaming clean-cut and cold against the cloudless turquoise of the sky.

All day long the three dog teams mushed northward while Connie, and Waseche Bill, and O'Brien anxiously scanned the great barrier for signs of a river or creek that gave promise of leading to a divide. For, though they passed the mouths of dozens of creeks and canyons, none were sufficiently large to tempt exploration.

Waseche Bill's injured leg was much swollen, for the trail was rough and tortuous, and despite the utmost efforts of Connie and O'Brien, the light sled bumped and slued against obstructions in a manner that caused the man excruciating torture, although neither by sign nor sound, did he betray the slightest pain. The Irishman and the boy took turns breaking trail for McDougall's leaders, and working at the gee-pole to ease the light sled over the rough places. Waseche's own dogs followed McDougall's, thus giving a smoother trail to the sled bearing the injured man.

The afternoon was well spent when Connie, who was in the rear, noticed a growing uneasiness among the dogs of Waseche's team. The big malamutes whined and whimpered with a peculiar suppressed eagerness as they eyed the mountains and, pulling close, tried time and again to pass the lead sled.

"That's funny," thought the boy, as he watched the dogs closely, "I never saw those dogs act like that before—seems like they wanted to lead." Hour after hour the boy mushed at the tail rope, and always he watched the strange behaviour of Waseche Bill's dogs. The sun sank behind the mountains and, at last, O'Brien halted at the edge of a patch of scraggy spruce. The dogs were unharnessed and fed, and after Waseche was made comfortable at the fireside, Connie prepared supper.

Suddenly, all three were startled by the long howl of a sled dog and, turning quickly saw Waseche's huge leader standing with up-pointing muzzle, upon a low hill, some fifty yards distant, and about him stood the seven dogs of his team. Again he howled, and then, as though this were the signal, the whole pack turned tail and dashed into the North.