Chapter 61

CHAPTER 19

The next day, the 8th day of January, after a day and night passed at the
corral, where they left all in order, Cyrus Harding and Ayrton arrived at
Granite House.

The engineer immediately called his companions together, and informed
them of the imminent danger which threatened Lincoln Island, and from which
no human power could deliver them.

"My friends," he said, and his voice betrayed the depth of his emotion,
"our island is not among those which will endure while this earth endures.
It is doomed to more or less speedy destruction, the cause of which it
bears within itself, and from which nothing can save it."

The colonists looked at each other, then at the engineer. They did not
clearly comprehend him.

"Explain yourself, Cyrus!" said Gideon Spilett.

"I will do so," replied Cyrus Harding, "or rather I will simply afford
you the explanation which, during our few minutes of private conversation,
was given me by Captain Nemo."

"Captain Nemo!" exclaimed the colonists.

"Yes, and it was the last service he desired to render us before his
death!"

"The last service!" exclaimed Pencroft, "the last service! You will see
that though he is dead he will render us others yet!"

"But what did the captain say?" inquired the reporter.

"I will tell you, my friends," said the engineer. "Lincoln Island does
not resemble the other islands of the Pacific, and a fact of which Captain
Nemo has made me cognizant must sooner or later bring about the subversion
of its foundation."

"Nonsense! Lincoln Island, it can't be!" cried Pencroft, who, in spite of
the respect he felt for Cyrus Harding, could not prevent a gesture of
incredulity.

"Listen, Pencroft," resumed the engineer, "I will tell you what Captain
Nemo communicated to me, and which I myself confirmed yesterday, during the
exploration of Dakkar Grotto.

This cavern stretches under the island as far as the volcano, and is only
separated from its central shaft by the wall which terminates it. Now, this
wall is seamed with fissures and clefts which already allow the
sulphurous gases generated in the interior of the volcano to escape."

"Well?" said Pencroft, his brow suddenly contracting.

"Well, then, I saw that these fissures widen under the internal pressure
from within, that the wall of basalt is gradually giving way and that after
a longer or shorter period it will afford a passage to the waters of the
lake which fill the cavern."

"Good!"replied Pencroft, with an attempt at pleasantry. "The sea will
extinguish the volcano, and there will be an end of the matter!"

"Not so!" said Cyrus Harding, "should a day arrive when the sea, rushing
through the wall