At twelve, the first part of the port watch will be summoned; at two, the second part; and so on till eight in the morning.
"The first part of the starboard watch, which turned in at ten, will sleep till four, giving them six hours of rest all together, and they may turn in again at six o'clock, when relieved by the second part, and sleep till half past seven, which is breakfast time for those off duty.
"During the daytime, from eight in the morning till eight in the evening, the same routine will be observed To-morrow, at eight in the morning, the first part of the port watch will take charge of the ship till ten; the second part will be off duty, and the time will be their own, to use as they think proper.

At ten, the second part will be in charge, and the first will have their own time till twelve.

All the starboard watch, during these four hours, will study and recite.

In the afternoon the same course will be pursued with the other watch.

Do you understand it ?" "Yes, sir," replied the boys.
"By this arrangement you will average three hours of duty every night.
To-night the port watch will be on deck two hours, and the starboard watch, whose turn will come twice, four hours; but to-morrow night the operation will be reversed, and the port will have the deck four hours, and the starboard but two.