humming-birds fluttered and darted in crescents of sparkling light. Within we were seated round the cane table, on which lay a sealed envelope. Inscribed upon it, in the jagged handwriting of Professor Challenger, were the words:—
"Instructions to Lord John Roxton and party. To be opened at Manaos upon July 15th, at 12 o'clock precisely."
Lord John had placed his watch upon the table beside him.
"We have seven more minutes," said he. "The old dear is very precise."
Professor Summerlee gave an acid smile as he picked up the envelope in his gaunt hand.
"What can it possibly matter whether we open it now or in seven minutes?" said he. "It is all part and parcel of the same system of quackery and nonsense, for which I regret to say that the writer is notorious."
"Oh, come, we must play the game accordin' to rules," said Lord John. "It's old man Challenger's show and we are here by his good will, so it would be rotten bad form if we didn't follow his instructions to the letter."
"A pretty business it is!" cried the Professor, bitterly. "It struck me as preposterous in London, but I'm bound to say that it seems even more so upon closer acquaintance. I don't know what is inside this envelope, but, unless it is something
