Having arranged the machine, Benjy took the two handles in his left hand, pressed his knee on the board of the instrument to hold it steady, and with his right hand caused it to revolve. Then he held down the handles as if inviting the bear to come and take them.

The challenge was accepted at once. Bruin cantered up, rose on his hind legs, and stretched his neck to its utmost, but could not reach the handles, though the boy stretched downward as far as possible to accommodate him. The dirty-white monster whined and snickered with intense feeling at thus finding itself so near, and yet so far, from the attainment of its object.

Sympathising with its desires, Benjy changed his posture, and managed just to touch the nose of his enemy. The bear shrank back with a sort of gasp, appalled—at least shocked—by the result! After a little, not feeling much the worse for it, the brute returned as if to invite another electric shock—perhaps with some sinister design in view. But another and a brighter idea had entered Benjy’s brain. Instead of giving the bear a shock, he tore off a small bit of seal-blubber from the mass at his side, which he dropped into its mouth. It swallowed that morsel with satisfaction, and waited for more. Benjy gave it more. Still it wanted more.

“You shall have it, my boy,” said Benjy, whose eyes assumed that peculiar glare of glee which always presaged some desperate intention.

He opened another small box, and found what he wanted. It was a small object scarcely a couple of inches in length. He fastened the wires of the electric machine quickly to it, and then imbedded it in a small piece of blubber which he lowered, as before, to the bear.

“You’ll probably break the wires or smash the machine, but I’ll risk that,” muttered Benjy through his set teeth. “I only hope you won’t chew it, because dynamite mayn’t be palatable. There—down with it!”

The bear happily bolted the morsel. The wires seemed to perplex him a little, but before he had time to examine the mystery, the boy gave the instrument a furious turn.

Instantly there was a stupendous crash like a very thunderbolt. The bear burst like an overcharged cannon! Benjy and the berg collided, and at that moment everything seemed to the former to vanish away in smoke, leaving not even a wrack behind!