“That is true.”

“Then there is the ocean letter-box.”

“What do you mean by the ocean letter-box?”

“Don’t you know what that is, Captain Clubin?”

“No.”

“When you pass the straits of Magellan——”

“Well.”

“Snow all round you; always bad weather; ugly down-easters, and bad seas.”

“Well.”

“When you have doubled Cape Monmouth——”