Chapter

 1 I   |          globe where it had been difficult to trace it; in the sea,
 2 IV  | remarkable specimen come? It was difficult to say. One thing was noticeable,
 3 VI  |       Evans and he would find it difficult to attend the club next
 4 VI  |           and it would have been difficult to decide to which organ
 5 VI  |      that Uncle Prudent found it difficult to describe; the floor seemed
 6 VII |         And is not that rather a difficult operation for an artificial
 7 VIII|         air?”~It would have been difficult not to succumb to the evidence.
 8 VIII|       such speed would have been difficult and the rate would have
 9 XIV |         Robur considered it more difficult to keep a watch on his prisoners
10 XV  |      valley of Ain-Massin. It is difficult to conceive the variety
11 XV  |     Robur.”~“Indeed!”~“Was it so difficult when we were crossing the