Chapter

1 VI    |       radius of the earth being fifteen hundred leagues, there must
2 IX    |     which every year there pass fifteen thousand ships of all nations.~
3 XV    | continued our zigzag climb. The fifteen hundred remaining feet took
4 XVIII |       thermometer say?”~“Hardly fifteen degrees (59° Fahr), nine
5 XIX   |         seas contained at least fifteen hundred vegetable and animal
6 XXXVII|     immense carapaces more than fifteen feet in diameter. They had
7 XLIV  |          which, at intervals of fifteen minutes or so, there issued