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VOICES FROM THE POLAR SEAS.
Although Sammy Block and his companions were not only far up among the mysteries of the region of everlasting ice, and were sunk out of sight, so that their vessel had become one of these mysteries, it was still perfectly possible for them to communicate, by means of the telegraphic wire which was continually unrolling astern, with people all over the world.

But this communication was a matter which required great judgment and caution, and it had been a subject of very careful consideration by Roland Clewe.
When he had returned to Cape Tariff, after parting with the Dipsey, he had received several messages from Sammy, which assured him that the submarine voyage was proceeding satisfactorily.

But when he went on board the Go Lightly and started homeward, he would be able to hear nothing more from the submarine voyagers until he reached St.John's, Newfoundland--the first place at which his vessel would touch.

Of course constant communication with Sardis would be kept up, but this communication might be the source of great danger to the plans of Roland Clewe.