Part,  Chapter

 1 1,3|      unquestionably the work of subterranean convulsions. ~Gideon Spilett,
 2 1,4|       separated by some violent subterranean force. At its base was hollowed
 3 1,0|     evidently been convulsed by subterranean force. Here and there stray
 4 1,1|       communication between the subterranean layers and the crater, its
 5 1,6|         reaches the sea by some subterranean passage?" ~"That might be,"
 6 1,7| distinctly heard the noise of a subterranean fall. ~"There," said he,
 7 1,8|         regained the sea by the subterranean passage, before the new
 8 2,4|       be watered either by some subterranean marsh or by some stream.
 9 3,6|       the lake, there existed a subterranean passage through which the
10 3,3|         a revivification of the subterranean fires. Several times both
11 3,3|  engineer, "especially when the subterranean forces begin to awake, as
12 3,5|       the crater. But would the subterranean fires provoke any violent
13 3,8|     rumbling was mingled with a subterranean roar, which formed a sort
14 3,8|   months and a half ago!" ~"The subterranean fires have therefore been
15 3,8|    provoked by the expansion of subterranean gases. But other causes
16 3,8|    listening attentively to the subterranean mutterings which rolled
17 3,8|      impossible to say. But the subterranean sounds were too perceptible