“Whoop! Ow-wow! Hoot, mon!” shrilly cried the Scotch youth, as he felt his feet slide from under him on the slippery, inclined plane leading to the ice.

“What in the world——!” began Jack Dacre, the younger of the Dacre brothers, when he felt himself cannonaded from behind by the yelling Sandy.

His exclamation was echoed an instant later by Tom Dacre, who was in advance. He had half turned at the almost simultaneous outcries of his brother and Sandy.

“Gracious!” he had just time to exclaim, when it was his turn to give a shout.

As Jack had been bumped into by Sandy, so he in turn shot helplessly against his brother.

In a flash all three Bungalow Boys were shooting down the slippery gangway. They fetched up in a snow pile at the bottom, a fact which saved them a hard bump on the frozen surface of the river.

“Whoopee! Talk about shooting the chutes!” puffed Tom, scrambling to his feet and shaking the powdery snow from his garments.

“Beats the time Sandy went sky-hooting down that old glacier on the Yukon!” chimed in Jack, half angrily. “What’s the matter with you, anyhow, you red-headed son of Scotland?”

“I’m thinking I’m loocky to be alive,” muttered Sandy, feeling himself all over as if to ascertain if he had sustained any mortal injuries.

“I guess we’re the lucky ones,” laughed Tom.