"No; the glass is behind me."
"Ah, yes; and so is the back of your head."
"Look," I said, pointing to the great mirror on the bureau; "look, there is the reflection of the back of my head."
"No; it is the reflection of the reflection in my hand-glass."
"You have tricked me; you quibble!"
"Well," he said, ignoring my remark; "what do you believe?"
"I believe what others have seen, and what I can do."
"Excluding myself as to what others have seen," he said facetiously.
"Perhaps," I answered, relenting somewhat.
"Has any man of your acquaintance seen the middle of Africa?"