statute miles, or 57.9855 sea-miles, near enough to call it 58. By the
way, Louis, multiply the number of statute miles by .87, and it gives
you the sea-miles. Divide the knots by the same decimal, and it gives
the statute miles."

"I will try to remember that decimal as you have done," replied Louis.
"Now, Mr. Scott, don't open Bowditch's Navigator to us, or talk about
projection,' 'logarithms,' 'Gunter,' and 'inspection;' for I am not capable
of understanding them, for my trigonometry has gone to the weeping
willows."

"Talk to us in English, Mr. Scott," laughed Miss Blanche.

"Let us go up to Conference Hall, where there is a table," said the third
officer, as he produced a book he had brought up from his state-room. He
led the way to the promenade, where he spread out a chart in the "Orient
Guide," which had twenty-six diagrams of a clock, one at the foot of every
fifteen degrees of longitude. At this point the commander came upon the
promenade.

"Formerly the figures on a timepiece in Italy, and perhaps elsewhere, went
up to twenty-four, instead of repeating the numbers up to twelve; and these
diagrams are constructed on that plan," continued Scott.

"An attempt has been made to re-establish this method in our own country. I
learned once from a folder that a certain steamer would leave Detroit at
half-past twenty-two; meaning half-past ten. But the plan was soon
abandoned," interposed the captain.

"Aden, from which we sailed the other day, is in longitude 45° east. Every