It struck the copper wire on the berg and rushed along it and down the wires leading to the capped explosives.

Simultaneously there was a mighty roar.

“There she goes,� yelled the sailors.

The berg was seen to split in half and then dissolve as if it had been melted. Five minutes later nothing was to be seen where it had been but a cloud of yellowish smoke.

The pressure of a finger on a wireless key two miles away had destroyed the titanic berg and left not a trace of its dangerous existence.

CHAPTER XXI: THE WRECK OF THE “POLLY ANN�

To his disappointment, Raynor was not allowed on the boats that took the water party ashore on Skull Island. He and Noddy had to content themselves with watching the operations ashore.

It was night when the work had been completed and the casks all filled. Terror Carson, therefore, decided to remain at anchor off the island all night. This was against the advice of his mate, who counseled making for the open sea.

“I don’t like the look of the weather,� he said, regarding certain yellowish castellated clouds that hung on the northern horizon. But Terror Carson only laughed.

“This is a snug enough berth,� he declared. “We’ll lie here till daylight. Then for a dash across the boundary and some fine Canadian seals.�