advantage of my own guidance. From the first I had determined that I would myself preside over your investigation. The most elaborate charts would, as you will readily admit, be a poor substitute for my own intelligence and advice. As to the small ruse which I played upon you in the matter of the envelope, it is clear that, had I told you all my intentions, I should have been forced to resist unwelcome pressure to travel out with you."
"Not from me, sir!" exclaimed Professor Summerlee, heartily. "So long as there was another ship upon the Atlantic."
Challenger waved him away with his great hairy hand.
"Your common sense will, I am sure, sustain my objection and realize that it was better that I should direct my own movements and appear only at the exact moment when my presence was needed. That moment has now arrived. You are in safe hands. You will not now fail to reach your destination. From henceforth I take command of this expedition, and I must ask you to complete your preparations to-night, so that we may be able to make an early start in the morning. My time is of value, and the same thing may be said, no doubt, in a lesser degree of your own. I propose, therefore, that we push on as rapidly as possible, until I have demonstrated what you have come to see."
Lord John Roxton has chartered a large steam launch, the Esmeralda, which was to carry us up the
