All this he boomed forth like a professor addressing his class. He had swung round his revolving chair so as to face me, and he sat all puffed out like an enormous bullfrog, his head laid back and his eyes half-covered by supercilious lids. Now he suddenly turned himself sideways, and all I could see of him was tangled hair with a red, protruding ear. He was scratching about among the litter of papers upon his desk. He faced me presently with what looked like a very tattered sketchbook in his hand.

“I am going to talk to you about South America,” said he. “No comments if you please. First of all, I wish you to understand that nothing I tell you now is to be repeated in any public way unless you have my express permission. That permission will, in all human probability, never be given. Is that clear?”

“It is very hard,” said I. “Surely a judicious account⁠—”

He replaced the notebook upon the table.