prefer not to go aboard. I have only a few words to say to you, and they can very well be said where we are. I beg you not to imagine that I am in any way indebted to you for making this journey. I would have you to understand that it is a matter of perfect indifference to me, and I refuse to entertain the most remote sense of personal obligation. Truth is truth, and nothing which you can report can affect it in any way, though it may excite the emotions and allay the curiosity of a number of very ineffectual people. My directions for your instruction and guidance are in this sealed envelope. You will open it when you reach a town upon the Amazon which is called Manaos, but not until the date and hour which is marked upon the outside. Have I made myself clear? I leave the strict observance of my conditions entirely to your honour. No, Mr. Malone, I will place no restriction upon your correspondence, since the ventilation of the facts is the object of your journey; but I demand that you shall give no particulars as to your exact destination, and that nothing be actually published until your return. Good-bye, sir. You have done something to mitigate my feelings for the loathsome profession to which you unhappily belong. Good-bye, Lord John. Science is, as I understand, a sealed book to you; but you may congratulate yourself upon the hunting-field which awaits you. You will, no doubt, have the opportunity of describing in the
