Chapter

 1 III |       Boston chemist up to then unknown. Calculations made with
 2 VII |         into figures up to then unknown. Thus there was obtained
 3 IX  |      fossil men, overwhelmed by unknown cataclysms ages and ages
 4 XIV |      was off over the known and unknown regions of Africa!~It may
 5 XVI |        harbor of refuge—in some unknown and inaccessible spot where
 6 XVI | themselves whipped off into the unknown without knowing what the
 7 XVII|        westerly, as if for some unknown island of the Pacific. Beneath
 8 XXI |      name of Robur, a person of unknown origin, of anonymous nationality,
 9 XXI |      had wished to keep himself unknown he could evidently have
10 XXI |       amid a silence up to then unknown in the meetings of the Weldon