"Master Doctor, I am the skipper."
"Just so," said the doctor.
The doctor, as henceforward we shall call him, appeared willing to converse.
"Skipper, have you an English sextant?"
"No."
"Without an English sextant you cannot take an altitude at all."
"The Basques," replied the captain, "took altitudes before there were any English."
"Be careful you are not taken aback."
"I keep her away when necessary."
"Have you tried how many knots she is running?"