Chapter

1 5 |     the mountain! But such an hypothesis was not admissible. The
2 5 | nature of this object. But no hypothesis rested on any secure basis.
3 6 |    repeated I.~Evidently this hypothesis had strong grounds. The
4 7 |    beneath the lake; but this hypothesis had to be rejected when
5 7 |     volcanic action.~“Another hypothesis suggested that it was a
6 10|    dwell upon the extravagant hypothesis.~He took the two letters
7 15|    There was one very natural hypothesis which deserved to be considered,
8 15|        What was as yet a mere hypothesis, would become a starting