Page:Ballantyne--The Coral Island.djvu/140

 works never to be seen at all, except, indeed, by chance visitors such as ourselves.

I afterwards found that there were many such caverns among the islands of the South Seas, some of them larger and more beautiful than the one I have just described.

"Now, Ralph, are you ready?" said Jack, in a low voice, that seemed to echo up into the dome above.

"Quite ready."

"Come along, then," said he; and, plunging off the ledge of the rock into the water, we dived through the narrow entrance. In a few seconds we were panting on the rocks above, and receiving the congratulations of our friend Peterkin.