to make and meet charges, and the light horse in another quarter to
support, pursue, and harass[3] so in a fleet, the captain-general
ought to order the strongest and largest ships to form in one quarter
to attack, grapple, board and break-up the enemy, and the lesser and
weaker ships in another quarter apart, with their artillery and
munitions to harass, pursue, and give chase to the enemy if he flies,
and to come to the rescue wherever there is most need.

The captain-general should form a detachment of his smaller and
lighter vessels, to the extent of one-fourth part of his whole fleet,
and order them to take station on either side of the main body. I mean
that they should always keep as a separate body on the flanks of the
main body, so that they can see what happens on one side and on the
other.

He should admonish and direct every one of the ships that she shall
endeavour to grapple with the enemy in such a way that she shall not
get between two of them so as to be boarded and engaged on both sides
at once.[4]

* * * * *

Having directed and set in order all the aforesaid matters, the
captain-general should then marshal the other three-quarters of the
fleet that remain in the following manner.

He should consider his position and the direction of the wind, and how
to get the advantage of it with his fleet.

Then he should consider the order in which the enemy is formed,